Trane Cold Generator Installation, Operation And Maintenance Manual

Installation, Operation,
and Maintenance
Cold Generator™ Scroll Liquid Chillers
Model CGWR and CCAR
20 to 65 Tons (60 Hz)
Water-Cooled and Compressor Chillers
SAFETY WARNING
Only qualified personnel should install and service the equipment. The installation, starting up, and servicing
of heating, ventilating, and air-conditioning equipment can be hazardous and requires specific knowledge and
training. Improperly installed, adjusted or altered equipment by an unqualified person could result in death or
serious injury. When working on the equipment, observe all precautions in the literature and on the tags,
stickers, and labels that are attached to the equipment.
September 2017
CG-SVX038A-EN
Introduction
Read this manual thoroughly before operating or servicing
this unit.
Warnings, Cautions, and Notices
Safety advisories appear throughout this manual as
required. Your personal safety and the proper operation of
this machine depend upon the strict observance of these
precautions.
The three types of advisories are defined as follows:
a potentially hazardous
WARNING Indicates
situation which, if not avoided, could
result in death or serious injury.
Indicates a potentially hazardous
CAUTIONs situation which, if not avoided, could
result in minor or moderate injury. It
could also be used to alert against
unsafe practices.
NOTICE
Indicates a situation that could result in
equipment or property-damage only
accidents.
Important Environmental Concerns
Scientific research has shown that certain man-made
chemicals can affect the earth’s naturally occurring
stratospheric ozone layer when released to the
atmosphere. In particular, several of the identified
chemicals that may affect the ozone layer are refrigerants
that contain Chlorine, Fluorine and Carbon (CFCs) and
those containing Hydrogen, Chlorine, Fluorine and
Carbon (HCFCs). Not all refrigerants containing these
compounds have the same potential impact to the
environment. Trane advocates the responsible handling of
all refrigerants-including industry replacements for CFCs
and HCFCs such as saturated or unsaturated HFCs and
HCFCs.
Important Responsible Refrigerant
Practices
Trane believes that responsible refrigerant practices are
important to the environment, our customers, and the air
conditioning industry. All technicians who handle
refrigerants must be certified according to local rules. For
the USA, the Federal Clean Air Act (Section 608) sets forth
the requirements for handling, reclaiming, recovering and
recycling of certain refrigerants and the equipment that is
used in these service procedures. In addition, some states
or municipalities may have additional requirements that
must also be adhered to for responsible management of
refrigerants. Know the applicable laws and follow them.
© 2017 Ingersoll Rand
WARNING
Proper Field Wiring and Grounding
Required!
Failure to follow code could result in death or serious
injury. All field wiring MUST be performed by qualified
personnel. Improperly installed and grounded field
wiring poses FIRE and ELECTROCUTION hazards. To
avoid these hazards, you MUST follow requirements for
field wiring installation and grounding as described in
NEC and your local/state electrical codes.
WARNING
Personal Protective Equipment (PPE)
Required!
Failure to wear proper PPE for the job being undertaken
could result in death or serious injury. Technicians, in
order to protect themselves from potential electrical,
mechanical, and chemical hazards, MUST follow
precautions in this manual and on the tags, stickers,
and labels, as well as the instructions below:
•
Before installing/servicing this unit, technicians
MUST put on all PPE required for the work being
undertaken (Examples; cut resistant gloves/sleeves,
butyl gloves, safety glasses, hard hat/bump cap, fall
protection, electrical PPE and arc flash clothing).
ALWAYS refer to appropriate Material Safety Data
Sheets (MSDS)/Safety Data Sheets (SDS) and OSHA
guidelines for proper PPE.
•
When working with or around hazardous chemicals,
ALWAYS refer to the appropriate MSDS/SDS and
OSHA/GHS (Global Harmonized System of
Classification and Labelling of Chemicals) guidelines
for information on allowable personal exposure
levels, proper respiratory protection and handling
instructions.
•
If there is a risk of energized electrical contact, arc, or
flash, technicians MUST put on all PPE in accordance
with OSHA, NFPA 70E, or other country-specific
requirements for arc flash protection, PRIOR to
servicing the unit. NEVER PERFORM ANY
SWITCHING, DISCONNECTING, OR VOLTAGE
TESTING WITHOUT PROPER ELECTRICAL PPE AND
ARC FLASH CLOTHING. ENSURE ELECTRICAL
METERS AND EQUIPMENT ARE PROPERLY RATED
FOR INTENDED VOLTAGE.
CG-SVX038A-EN
Introduction
WARNING
Follow EHS Policies!
Failure to follow instructions below could result in
death or serious injury.
•
All Ingersoll Rand personnel must follow Ingersoll
Rand Environmental, Health and Safety (EHS)
policies when performing work such as hot work,
electrical, fall protection, lockout/tagout, refrigerant
handling, etc. All policies can be found on the BOS
site. Where local regulations are more stringent than
these policies, those regulations supersede these
policies.
•
Non-Ingersoll Rand personnel should always follow
local regulations.
WARNING
Refrigerant under High Pressure!
Failure to follow instructions below could result in an
explosion which could result in death or serious injury
or equipment damage. System contains oil and
refrigerant under high pressure. Recover refrigerant to
relieve pressure before opening the system. See unit
nameplate for refrigerant type. Do not use nonapproved refrigerants, refrigerant substitutes, or
refrigerant additives.
Copyright
This document and the information in it are the property of
Trane, and may not be used or reproduced in whole or in
part without written permission. Trane reserves the right
to revise this publication at any time, and to make changes
to its content without obligation to notify any person of
such revision or change.
Trademarks
All trademarks referenced in this document are the
trademarks of their respective owners.
CG-SVX038A-EN
3
Table of Contents
Model Number Descriptions . . . . . . . . . . . . . . 5
Unit Components . . . . . . . . . . . . . . . . . . . . . . . . 6
General Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Inspection Check List and Unit Identification 9
Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Dimensions and Weights . . . . . . . . . . . . . . . . 11
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Unit Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Electrical Wiring . . . . . . . . . . . . . . . . . . . . . . . . 27
Unit Controller—Software Installation and 
Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Unit Startup Procedures . . . . . . . . . . . . . . . . . 33
Unit Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . 35
Unit Restart . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Electrical Schematics . . . . . . . . . . . . . . . . . . . 40
Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
4
CG-SVX038A-EN
Model Number Descriptions
Digit 1, 2, 3, 4 — Unit Type
CGWR=Water-Cooled Chiller
CCAR= Compressor Chiller
Digit 5, 6, 7 — Unit Nominal
Tonnage
020 =
030 =
040 =
050 =
065 =
20 Nominal Tons
30 Nominal Tons
40 Nominal Tons
50 Nominal Tons
65 Nominal Tons
Digit 8 — Unit Voltage
A
B
F
G
=
=
=
=
208V/60/3
230V/60/3
460V/60/3
575V/60/3
Digit 9, 10 — Design Sequence
A0 =
Factory Assigned
Digit 11 — Agency Listing
N
E
=
=
None
ETL/ETL-C Listed to meet U.S. 
and Canadian Safety Standards
Digit 12 — Condenser Water
Regulating Valve
0
1
=
=
None
With
Digit 13 — Evaporator Wye
Strainer
0
=
None
1
2
=
=
Nominal Flow Wye Strainer
Nominal Flow Wye Strainer with
installation kit1
Digit 14 — Evaporator Temp
Range
0
=
1
=
Standard Cooling 
42 to 60°F [4.4 to 5.5°C]
Standard Cooling/Ice Making 
20 to 60°F [-6.7 to 15.6°C]
Digit 16 — Short Circuit Rating
(SCCR)
0
1
=
=
Standard 5 kA Rating
Optional 100 kA Rating
Digit 17 — Sound Attenuator
0
3
9
=
=
=
No Sound Attenuation
Compressor Sound Blanket(s)
Factory Sound Enclosure 
Cabinet(s)
Digit 18 — Local Unit Controller
Interface
0
1
=
=
Keypad with Dot Pixel Display
Color Touchscreen
Digit 19 — Remote BMS
Interface (Digital Comm)
0
2
4
5
6
8
=
=
=
=
=
=
None
LonTalk®
BACnet® Ms/TP
BACnet IP
MODBUS®
Johnson N2
Digit 20 — Power Monitor
0
1
=
=
None
With
Digit 21 — Neoprene Isolator
Pads
0
1
=
=
None
With
Digit 22 — Flow Switch
0
1
=
=
None
With
Digit 23 — Evaporator Fluid
Type
0
2
3
4
=
=
=
=
Water
Ethylene Glycol
Propylene Glycol
Methanol
Digit 15 — Power Connection
Digit 24 — Condenser Fluid Type
T
D
F
0
2
3
4
9
=
=
=
Terminal Block
Non-Fused Disconnect Switch
Fused Disconnect Switch
=
=
=
=
=
Water
Ethylene Glycol
Propylene Glycol
Methanol
Not Applicable — 
Compressor-Chiller
Digit 25 — Special Options
0
1
1
=
=
None
With
Nominal flow wye strainer installation kit includes pipe adaptors, differential pressure ports and blowdown valve.
CG-SVX038A-EN
5
Unit Components
Power Wiring
Location
Unit Nameplate
(inside door)
Optional Disconnect
Switch Location
Optional 15.4” Color Touchscreen
(Keypad w/ Display comes standard)
Evaporator Water
Inlet (Vic)
Evaporator Water
Outlet (Vic)
Condenser Water
Outlet (FPT)
Rigging Bracket
Install Pockets
Condenser Water
Inlet (FPT)
Removable Water
Plate on Shell-andTube Condenser
Forklift Pockets
Suction Line
(1 per circuit)
TXV
(1 per circuit)
Compressor
Nameplate
Charging Port
(1 per circuit)
Sight Glass
(1 per circuit)
Relief Valve
(1 per circuit)
Solenoid Valve
(1 per circuit)
Filter Drier
(1 per circuit)
Liquid Line
(1 per circuit)
Hot Gas Injection
Solenoid Valve
(1 per circuit)
6
CG-SVX038A-EN
General Data
Table 1.
General data for CGWR water-cooled chillers
Unit Size
20
30
40
50
65
Compressor
Quantity
each
2
2
3
3
3
Nominal Tons
tons
10/10
15/15
10/10, 20
12/12, 25
15/15, 30
Steps of Unloading
%
100-50
100-50
100-75-50-25
100-75-50-25
100-75-50-25
Compressor Sound Data(a)
dBA
81.0
84.0
87.2
87.5
90.2
Compressor Sound Data with Sound
Blankets Only(a)
dBA
75.0
78.0
82.8
83.0
85.8
Evaporator
Water Storage
gal
2.1
3.0
3.1
3.7
4.6
Minimum Flow
gpm
30
45
66
82
104
Maximum Flow
gpm
104
151
207
237
295
9.2
Condenser (each)
Water Storage (each)
gal
3.0
4.5
5.5
7.4
Minimum Flow (each)
gpm
28
39
49
64
84
Maximum Flow (each)
gpm
119
167
207
271
342
R-410A
R-410A
R-410A
R-410A
R-410A
1
1
2
2
2
General Unit
Refrigerant
Number of Independent
Refrigerant Circuits
Refrigerant Charge per Circuit (approx.)
lb
Oil Type
Oil Charge (each compressor)
oz
25
37
24, 24
26, 26
31, 31
POE 160SZ
POE 160SZ
POE 160SZ
POE 160SZ
POE 160SZ
112/112
113/113
112/112, 227
112/112, 227
112/112, 227
Notes:
1. Data containing information on two circuits formatted as follows: Circuit 1, Circuit 2
2. Nominal compressor sizes based on 60 Hz.
(a) Compressor manufacturer sound power reported at rated compressor AHRI conditions measured in free space for individual compressors.
Table 2.
General data for CCAR compressor chillers
Unit Size
20
30
40
50
65
Compressor
Quantity
each
2
2
3
3
3
Nominal Tons
tons
10/10
15/15
10/10, 20
12/12, 25
15/15, 30
Steps of Unloading
%
100-50
100-50
100-75-50-25
100-75-50-25
100-75-50-25
Compressor Sound Data(a)
dBA
81.0
84.0
87.2
87.5
90.2
Compressor Sound Data with Sound
Blankets Only
dBA
75.0
78.0
82.8
83.0
85.8
Evaporator
Water Storage
gal
2.1
3.0
3.1
3.7
4.6
Minimum Flow
gpm
30
45
66
82
104
Maximum Flow
gpm
104
151
207
237
295
R-410A
R-410A
R-410A
R-410A
R-410A
1
1
2
2
2
General Unit
Refrigerant
Number of Independent
Refrigerant Circuits
Refrigerant Charge per Circuit (approx.)
lb
Oil Type
Oil Charge (each compressor)
oz
16
19
12,12
13,13
16,16
POE 160SZ
POE 160SZ
POE 160SZ
POE 160SZ
POE 160SZ
112/112
113/113
112/112, 227
112/112, 227
112/112, 227
Notes:
1. Data containing information on two circuits formatted as follows: Circuit 1, Circuit 2
2. Nominal compressor sizes based on 60 Hz.
(a) Compressor manufacturer sound power reported at rated compressor AHRI conditions measured in free space for individual compressors.
CG-SVX038A-EN
7
General Data
Ambient Limits —
CCAR/CAUJ Combination
Minimum Ambient Temperature Limit
Refer to SS-APG014*-EN Application Guide – Pairing Trane
CCAR Compressor Chillers (20 to 65 tons) with Trane CAUJ
Air-Cooled Condensers (20 to 80 tons).
In general, the minimum outdoor ambient temperature for
operation of CCAR compressor chiller in combination with
a CAUJ air cooled condenser is 40°F. In some cases, with
factory application approval, the CCAR/CAUJ combination
can be operated down to the 20°F ambient.
This minimum is primarily driven by compressor chiller
starting considerations and not by effectiveness of
condenser ambient controls once the system is up and
running. Fan cycling and optimal low ambient dampers do
not mitigate the low ambient starting challenge. On a cold
day with outdoor ambient temperature below 40°F, the
liquid line pressure at the expansion valve inlet, in most
circumstances, is extremely low. On start, the suction
pressure tends to plunge into the freezing range
potentially causing a nuisance fault.
Contact the factory to request application approval for
applications where CCAR/CAUJ combination is intended
for operation with ambient temperature below 40°F.
Maximum Ambient Temperature Limit
The maximum ambient temperature limit for the CCAR/
CAUJ operation is 110°F.
8
CG-SVX038A-EN
Inspection Check List and Unit Identification
To protect against loss due to damage incurred in transit,
complete the following checklist upon receipt of the unit.
•
Inspect the individual pieces of the shipment before
accepting the unit. Check for obvious damage to the
unit or packing material.
•
Inspect the unit for concealed damage as soon as
possible after delivery and before it is stored.
Concealed damage must be reported within 15 days.
•
If concealed damage is discovered, stop unpacking the
shipment. Do not remove damaged material from the
receiving location. Take photos of the damage, if
possible. The owner must provide reasonable
evidence that the damage did not occur after delivery.
•
Notify the carrier’s terminal of the damage
immediately, by phone and by mail. Request an
immediate, joint inspection of the damage with the
carrier and the consignee.
•
Notify the Trane sales representative and arrange for
repair. Do not repair the unit, however, until damage is
inspected by the carrier’s representative.
Each unit is completely assembled with refrigerant piping,
power and control wiring, and top coated with two-part
epoxy. Refrigeration circuits are leak-tested and
dehydrated prior to introduction of refrigerant. CGWR and
CCAR units are then fully charged with compressor oil and
refrigerant, and run tested prior to shipment.
•
CGWR units are shipped with full operating charge of
compressor oil and refrigerant.
•
CCAR units are shipped with a nominal charge of
compressor oil and a holding charge of dry nitrogen.
CCAR units are to be field piped to condenser,
dehydrated and charged with refrigerant by others.
Note that compressor oil charge may have to be
adjusted. See SS-APG014*-EN, Application Guide,
Pairing Trane CCAR Compressor Chillers with Trane
CAUJ Air-Cooled Condensers for application
guidelines.
After completing the inspection checklist, identify the unit
with the unit nameplate, packing list and ordering
information. The unit nameplate is mounted inside the
control box.
Refer to “Model Number Descriptions,” p. 5 for additional
data that can be found on the nameplate.
Check all items against the shipping list. Verify that it is the
correct unit and that it is properly equipped. If optional
neoprene or spring isolators (or other ship-loose items)
are ordered, they are secured in place on the shipping skid
or inside the unit control box.
The Installation, Operation, and Maintenance manual can
also be found in the unit control box. Be sure to read all of
this literature before installing and operating the unit.
Unit Description
Trane CGWR water-cooled chillers and CCAR compressor
chillers (condenserless chillers) are designed for
installation on a prepared surface in a suitable,
weatherproof location above freezing (32°F).
•
CGWR/CCAR 20 and 30 ton chiller units have one
refrigerant circuit fitted with a manifolded scroll
compressor set piped in parallel.
•
CGWR/CCAR 40, 50 and 65 ton chiller units have two
refrigerant circuits. One refrigerant circuit is fitted with
a manifolded scroll compressor set piped in parallel,
and the other refrigerant circuit has a single scroll
compressor.
Units also have brazed plate evaporator, shell-and-tube
condenser (CGWR only) and control box with integral
control panel, all mounted on a common frame.
CG-SVX038A-EN
9
Electrical Data
Table 3.
Electrical data — CGWR water cooled chillers & CCAR compressor chillers
Unit Wiring Data
Unit
Size
20
30
40
50
65
Compressors
Minimum
Circuit
Ampacity
Maximum
Fuse Size
Recommended
Dual Element
Fuse Size
200-230/3/60
88
125
100
460/3/60
42
60
50
575/3/60
35
50
200-230/3/60
108
460/3/60
575/3/60
RLA
(ea)
LRA
(ea)
Control
KW
39/39
267/267
98
19/19
142/142
98
40
15/15
103/103
98
150
125
48/48
351/351
98
56
80
60
25/25
197/197
98
50
70
60
22/22
135/135
98
200-230/3/60
162
225
175
39/39, 67
267/267, 485
159
460/3/60
78
110
90
19/19, 33
142/142, 215
159
Rated Voltage
Refrig.
Qty Circuits
2
2
3
1
1
2
Nom.
Tons
10/10
15/15
10/10, 20
575/3/60
64
80
70
15/15, 26
103/103, 175
159
200-230/3/60
185
250
225
41/41, 82
304/304, 560
159
460/3/60
88
125
100
19/19, 40
147/147, 260
159
575/3/60
69
90
80
17/17, 29
122/122, 210
159
200-230/3/60
232
300
250
48/48, 109
351/351, 717
159
460/3/60
113
150
125
25/25, 51
197/197, 320
159
575/3/60
93
125
110
22/22, 38
135/135, 235
159
3
3
2
2
12/12, 25
15/15, 30
Notes:
1. Data containing information on two circuits formatted as follows: Circuit 1, Circuit 2
2. Add 31 VA to control power for optional water regulating valve (WRV)
3. Use copper conductors only.
4. Local codes may take precedence.
5. Voltage Utilization Range:
Rated Voltage
208-230/3/60
460/3/60
380/3/60
575/3/60
10
Utilization Range
187-253
414-506
342-418
518-632
CG-SVX038A-EN
Dimensions and Weights
Dimensions
Refer to name plate on control box door (inside) for
specific unit electrical data.
The Trane application manual and/or project submittals
contain dimensional data, application data, and electrical
data as required.
These documents can be forwarded for specific jobs as
part of a job submittal package upon request.
Figure 1.
CGWR/CCAR 20 to 30 ton mechanical drawing
J
10
9
15
13
K
H
14
L
I
G
F
T (4 PLACES)
D
E
A
12
1
5
8
M
6
2
B*
N*
B
N
4
R*
16
7
R
W
11
U
3
V
C
S
CG-SVX038A-EN
11
Dimensions and Weights
Table 4.
CGWR/CCAR 20 to 30 ton — in (mm)
Dimension
CGWR 20
CGWR30
CCAR 20
CCAR30
A(a)
76.6 (1946)
77.5 (1969)
70.4 (1788)
70.4 (1788)
45.8 (1163)*
B
59.8 (1519)
59.8 (1519)
45.8 (1163)*
C
19.3 (490)
20.1 (511)
N/A
N/A
D
26.7 (678)
26.7 (678)
26.7 (678)
26.7 (678)
E
28.9 (734)
28.9 (734)
28.9 (734)
28.9 (734)
F
37.0 (940)
37.0 (940)
37.0 (940)
37.0 (940)
G
17.0 (432)
17.0 (432)
17.0 (432)
17.0 (432)
H
20 (508)
20 (508)
N/A
N/A
I
36 (914)
36 (914)
36 (914)
36 (914)
J(b)
36 (914)
36 (914)
36 (914)
36 (914)
K(b)
36 (914)
36 (914)
36 (914)
36 (914)
L
24 (610)
24 (610)
24 (610)
24 (610)
M
36 (914)
36 (914)
36 (914)
36 (914)
N
53.5 (1359)
53.5 (1359)
39.5 (1003)*
39.5 (1003)*
R
33.1 (841)
33.1 (841)
19.1 (485)*
19.1 (485)*
S
13.4 (240)
13.4 (240)
N/A
N/A
T
0.6 (15)
0.6 (15)
0.6 (15)
0.6 (15)
U
10.2 (259)
10.2 (259)
10.2 (259)
10.2 (259)
V
10.3 (262)
10.4 (264)
N/A
N/A
W
13.9 (353)
15.3 (389)
N/A
N/A
1
2 (51) VIC
2.5 (64) VIC
2 (51) VIC
2.5 (64) VIC
2
2 (51) VIC
2.5 (64) VIC
2 (51) VIC
2.5 (64) VIC
3
2 (51) FPT
2.5 (64) FPT
N/A
N/A
4
2 (51) FPT
2.5 (64) FPT
N/A
N/A
Reference
1
Evaporator Water Inlet
9
Condenser Return Waterbox End (CGWR only)-
minimum clearance (for maintenance)
2
Evaporator Water Outlet
10
Condenser Inlet/Outlet End (CGWR only) minimum clearance (for maintenance)
3
Condenser Water Inlet (CGWR only)
11
Condenser (CGWR only)
4
Condenser Water Outlet (CGWR only)
12
Evaporator
5
Power Disconnect (Optional)
13
Panel Power Section — door swing 24 in (610 mm)
6
Power Wire Entry
14
Panel Control Section — door swing 24 in (610 mm)
7
Control Wire Entry
15
Additional minimum clearance needed for units with water
regulating valve option
8
Control Panel
16
Location of CCAR refrigerant line connections, 7/8 in liquid
line and 1-3/8 in discharge lines
(a) For CGWR020 and 030: If water regulating valve option is ordered, the overall length is 90.9 in and 93.1 in, respectively.
(b) Exceptions:
1. A minimum clearance of 42 in (1067mm) is required to other electrically grounded parts.
2. A minimum clearance of 48 in (1220mm) is required between two units opposite each other (front-to-front or back-to-back) or to other electrically
live parts. See Section 110.26 of National Electrical code (NEC).
12
CG-SVX038A-EN
Dimensions and Weights
Figure 2.
CGWR/CCAR 40 to 65 ton mechanical drawing
J
15
9
10
13
K
H
14
L
I
G
T
(4 PLACES)
F
D E
A
12
5
8
6
M
1
7
2
B*
N*
4
N
B
R*
16
R
W
V
11
U
S
CG-SVX038A-EN
3
C
13
Dimensions and Weights
Table 5.
CGWR/CCAR 40 to 65 ton — in (mm)
Dimension
CGWR40
CGWR50
CGWR65
CCAR40
CCAR50
CCAR65
A(a)
83.8 (2128)
83.8 (2128)
83.8 (2128)
87.6 (2225)
87.6 (2225)
87.6 (2225)
45.8 (1163)*
B
59.8 (1519)
59.8 (1519)
59.8 (1519)
45.8 (1163)*
45.8 (1163)*
C
13.1 (333)
13.6 (345)
13.6 (345)
N/A
N/A
N/A
D
26.7 (678)
26.7 (678)
26.7 (678)
26.7 (678)
26.7 (678)
26.7 (678)
E
29.6 (752)
29.9 (759)
29.9 (759)
29.0 (737)
29.0 (737)
29.0 (737)
F
51.0 (1295)
51.0 (1295)
51.0 (1295)
51.0 (1295)
51.0 (1295)
51.0 (1295)
G
19.2 (488)
19.2 (488)
19.2 (488)
19.2 (488)
19.2 (488)
19.2 (488)
H
20 (508)
20 (508)
20 (508)
N/A
N/A
N/A
I
36 (914)
36 (914)
36 (914)
36 (914)
36 (914)
36 (914)
J(b)
36 (914)
36 (914)
36 (914)
36 (914)
36 (914)
36 (914)
K(b)
36 (914)
36 (914)
36 (914)
36 (914)
36 (914)
36 (914)
24 (610)
L
24 (610)
24 (610)
24 (610)
24 (610)
24 (610)
M
36 (914)
36 (914)
36 (914)
36 (914)
36 (914)
36 (914)
N
49.6 (1260)
49.6 (1260)
49.6 (1260)
35.6 (904)*
35.6 (904)*
35.6 (904)*
R
34.0 (864)
34.0 (864)
34.0 (864)
20.0 (508)*
20.0 (508)*
20.0 (508)*
S
13.4 (340)
13.4 (340)
13.4 (340)
N/A
N/A
N/A
T
0.6 (15)
0.6 (15)
0.6 (15)
0.6 (15)
0.6 (15)
0.6 (15)
U
12.2 (310)
12.2 (310)
12.2 (310)
12.2 (310)
12.2 (310)
12.2 (310)
V
10.6 (269)
11.0 (279)
11.0 (279)
N/A
N/A
N/A
W
15.5 (394)
16.8 (427)
16.8 (427)
N/A
N/A
N/A
1
3.0 (76) VIC
3.0 (76) VIC
3.0 (76) VIC
3.0 (76) VIC
3.0 (76) VIC
3.0 (76) VIC
2
3.0 (76) VIC
3.0 (76) VIC
3.0 (76) VIC
3.0 (76) VIC
3.0 (76) VIC
3.0 (76) VIC
3
2.5 (64) FPT
3.0 (76) FPT
4.0 (102) FPT
N/A
N/A
N/A
4
2.5 (64) FPT
3.0 (76) FPT
4.0 (102) FPT
N/A
N/A
N/A
Reference
1
Evaporator Water Inlet
9
Condenser Opposite Inlet/Outlet End (CGWR only) —
minimum clearance (for maintenance)
2
Evaporator Water Outlet
10
Condenser Inlet/Outlet End (CGWR only) —
minimum clearance (for maintenance)
3
Condenser Water Inlet (CGWR only)
11
Condenser (CGWR only)
4
Condenser Water Outlet (CGWR only)
12
Evaporator
5
Power Disconnect (Optional)
13
Panel Power Section — door swing 31.3 in (795 mm)
6
Power Wire Entry
14
Panel Control Section — door swing 31.3 in (795 mm)
7
Control Wire Entry
15
Additional minimum clearance needed for units with water
regulating valve option
8
Control Panel
16
Location of CCAR refrigerant line connections, (2) 1-1/8 in
liquid line and (2) 1-3/8 in discharge lines
(a) For CGWR040, 050 and 065: If water regulating valve option is ordered, the overall length is 93.8 in, 95.0 in, and 96.2 in respectively.
(b) Exceptions:
1. A minimum clearance of 42 in (1067mm) is required to other electrically grounded parts.
2. A minimum clearance of 48 in (1220mm) is required between two units opposite each other (front-to-front or back-to-back), or to other electrically
live parts. See Section 110.26 of National Electrical code (NEC).
14
CG-SVX038A-EN
Dimensions and Weights
Weights
Table 6.
Weights
Shipping
Unit
CGWR
CCAR
CG-SVX038A-EN
Operating
Size
lbs
kg
lbs
kg
20
1116
506
1042
473
30
1252
568
1242
563
40
1659
753
1577
715
50
1847
838
1833
831
65
2039
925
2005
909
20
846
384
732
332
30
909
412
809
367
40
1265
574
1110
503
50
1304
591
1152
523
65
1484
673
1336
606
15
Installation
General Installation Information
•
Where specified, supply and install valves in the water
piping upstream and downstream of the evaporator
and condenser, to isolate the heat exchangers for
maintenance and to balance/trim the system.
•
Supply and install condenser water control valve.
Refer also to Trane publication RLC-PRB021-EN
available from Trane Sales Offices for additional
technical assistance. Provisions must be made for the
control of condenser water that results in stable
Saturated Discharge Pressure between 80°F and 128°F
through all steady state, part load and transient
operating conditions. Trane recommends optional
factory installed integral Water Regulating Valve
operated by onboard controller.
•
Optional Water Regulating Valve — Trane offers a fully
installed and integrated water regulating valve
designed to stabilize discharge pressure at all full and
part load conditions. Factory installed water regulating
valve is controlled by the chiller’s unit controller and is
available on all models.
•
Supply and install an approved flow switch, or suitable
flow proving device, in the chilled water line as shown
in Figure 3, p. 21. Flow switch must be interlocked with
chiller’s unit controller to ensure the unit cannot
operate when chilled water flow through the unit is
below the minimum chilled water flow limit. See fieldwiring diagram for flow proving device connection
points. A factory approved flow switch may be ordered
with the unit as a shipped-loose option, for field
installation by others.
•
•
Supply and install drain vent points with valves on
both chilled and condenser water line to vent air and
drain lines and equipment for service.
Install a wye strainer ahead of all system pumps and
control valves.
Note: A wye strainer with twenty mesh screen must be
installed in the chilled water pipe immediately
adjacent to the evaporator inlet. See Figure 3, p. 21.
A factory approved wye strainer may be ordered
with the unit as a shipped-loose option, for field
installation by others.
•
Supply and install suitable refrigerant pressure relief
piping from the pressure relief to the atmosphere if
required. Follow ANSI/ASHRAE 15-2007 guidelines,
relief manufacturer’s guidelines, and industry
standards when working with relief piping.
•
If necessary, supply enough refrigerant and dry
nitrogen (150 psig) for pressure testing (CCAR).
•
Start the unit under supervision of a qualified service
technician.
•
Where specified, supply and insulate the chilled water
piping as required, to prevent sweating under normal
16
operating conditions. Trane provides factory
insulation on evaporator and related components.
Storage
NOTICE:
Store Units Above Freezing!
Store these units in a protected area above freezing
(32°F) only. Do not store outdoors with a protective
covering such as a plastic shroud. This can result in
excessive water condensation that could damage
controls and other components.
These units are designed for indoor installation above
freezing (32°F) only. Store the unit in a suitable
weatherproof location above 32°F, vibration free, and
secure area. Periodically check the pressure in each
refrigerant circuit to verify that the refrigerant charge is
intact. If it is not, contact a qualified service organization
and the appropriate sales office. If the unit is still under
factory warranty, you must follow warranty procedure
prior to calling for service.
Noise Considerations
Locate the unit away from sound-sensitive areas. If
necessary, install the optional isolators under the unit and/
or the optional factory sound attenuation compressor
blankets or attenuation cabinet. Install vibration isolators
in all piping and use flexible electrical conduit. Consult an
acoustical engineer for critical applications.
Foundation
A base or foundation is recommended for most
installations. Provide a level surface strong enough to
support the unit. Refer to “Dimensions and Weights,” p. 11
for dimensions and weights. A flexible (isolated) concrete
foundation or footings at each loading point will reduce
transmission of vibration. Install anchor bolts in the
concrete to secure the unit. If the floor is warped, uneven
or in poor condition, make necessary repairs before
positioning the unit. Once the unit is in place, it should be
level, within 1/4 inch over its entire length and width.
Clearances
Provide enough space around the unit to allow the
installation and maintenance personnel unrestricted
access to all service points. Unit dimensions are given in
“Dimensions and Weights,” p. 11. There should be
adequate clearance for condenser and compressor
servicing. A minimum of three feet is recommended for
effective compressor service. A minimum clearance of
3 ft.-6 inches is required to open the control panel doors.
CG-SVX038A-EN
Installation
A minimum clearance of 42 in (2067 mm) is required to
other electrically grounded parts. A minimum clearance of
48 in (1220 mm) is required between two units opposite
each other (front-to-front or back-to-back) or to other
electrically live parts. See Section 110.26 of National
Electrical Code (NEC).
Important:
In all cases, local codes will take precedence
over these recommendations.
Rigging/Lifting Procedure
If the CGWR/CCAR is not moved using a forklift and the
forklift pockets provided as part of the chiller's frame, then
the chiller should be lifted and moved by using the lifting
rails as outlined in Step 1 through Step 8.
A set of lifting rails is shipped loose and attached to the unit
skid. Install the lifting rails and lift as shown below:
Ventilation
Provisions must be made to remove heat generated by
unit operation from the equipment room. Ventilation must
be adequate to maintain an ambient temperature lower
than 125°F.
The condenser relief valve on these units must be vented
in accordance with all local and national codes.
Drainage
Locate the unit near a large capacity drain for condenser
drain-down during shutdown or repair.
Handling
BACK VIEW
WARNING
Heavy Objects!
Failure to follow instructions below or properly lift unit
could result in unit dropping and possibly crushing
operator/technician which could result in death or
serious injury, and equipment or property-only damage.
Ensure that all the lifting equipment used is properly
rated for the weight of the unit being lifted. Each of the
cables (chains or slings), hooks, and shackles used to
lift the unit must be capable of supporting the entire
weight of the unit. Lifting cables (chains or slings) may
not be of the same length. Adjust as necessary for even
unit lift.
CCAR and CGWR units are shipped stretch-wrapped and
bolted to a shipping skid (unless other than standard
shipping is selected).
The skidded unit can be moved by using a fork truck of
suitable capacity. Refer to “Dimensions and Weights,”
p. 11 for unit weights.
When moving the unit, the lifting forks must be positioned
under the shipping skid as wide as possible where labeled.
Lift the unit and move it to the desired location.
Once the unit is at the installation location, remove the
stretch wrap. Inspect the unit for damage and report if
damage is found.
The optional unit isolators (if ordered) are secured to the
shipping skid or in the unit control panel. Other optional
“ship loose” items may be attached to the skid or shipped
separately depending on options selected.
CG-SVX038A-EN
40"
LEFT END VIEW
WARNING
Heavy Objects!
Failure to follow instructions below or properly lift unit
could result in unit dropping and possibly crushing
operator/technician which could result in death or
serious injury, and equipment or property-only damage.
Ensure that all the lifting equipment used is properly
rated for the weight of the unit being lifted. Each of the
cables (chains or slings), hooks, and shackles used to
lift the unit must be capable of supporting the entire
weight of the unit. Lifting cables (chains or slings) may
not be of the same length. Adjust as necessary for even
unit lift.
17
Installation
1. Remove the stretch wrap from the unit as described In
the Handling section, leaving the unit mounted to the
skid. The lifting rails should be mounted to the skid.
Remove the rails from the skid.
2. The hardware used to secure the lifting rails to the unit
frame can be found in a box in the unit control panel.
Insert the lifting rails as shown in the above figure.
Using the mounting hardware, secure the lifting rails to
the unit frame by torquing the 1/2” bolts to 70 ft-lbs.
3. Install clevis connectors or equivalent in the 1-1/4 inch
lifting holes provided at each end of the lifting rails.
4. Attach certified lifting chains (cables) to these points.
Each chain (cable) alone must be strong enough to lift
the unit.
5. Attach chains (or cables) to a lifting beam. Position the
chains (cables) so that they do not contact the unit
piping or the unit control panel. Use a suitable
spreader bar to insure proper weight distribution.
NOTICE:
Equipment Damage!
To prevent damage to the unit, position the lifting beam
and chains (cables) so that they do not contact the unit
piping or the unit control panel.
6. Remove the bolts that secure the unit to the shipping
skid.
7.
Raise the unit just off the skid to make sure that the unit
is level when lifted. Adjust chain (cable) lengths as
required for level lifting.
8. Lift the unit off of the skid and place in the installation
location.
Access Restrictions
All CCAR/CGWR units are designed to pass through a
standard 36-inch doorway. Refer to outline drawings for
other important dimensions.
Direct Mounting
The unit can be installed directly on an isolated, rigid
mounting surface as long as the surface is level and will
support the weight of the unit. A mounting hole is
provided at each of the unit mounting locations. Provide a
means of securely anchoring the unit to the mounting
surface. Level the unit carefully.
Neoprene Isolator Pad Mounting
(Optional)
The optional neoprene isolator pads are to be placed
between the direct mounting surface and each of the
chiller's mounting locations. To help distribute the chiller's
load to the neoprene pads, place the 6" x 6" mounting
plates between each pad and the chiller. Provide a means
of securely anchoring the chiller to the mounting surface.
Level the unit carefully as instructed in “Unit Leveling,”
p. 18.
Compressor Mounting
All compressors are rigidly bolted with compressor
isolation mounts to compressor mounting rails (tandem
compressor sets) or directly to the unit base. No additional
isolation or leveling is required. Inspect prior to start up to
insure bolts are present and tight, and that no shipping
damage has occurred.
Unit Leveling
Before tightening the mounting bolts, level the unit frontto-back and end-to-end. Unit must be level within 1/4”
from front-to-back and within 1/4” over the length of the
unit. The unit’s base deck can be used for leveling. Use
shims as required to properly level unit base.
Compressor Nameplate
Trane does not recommend disassembling a CGWR/CCAR
to gain access through challenging rigging paths and
installation locations. If disassembly/reassembly of a
chiller does take place, please note the following:
The nameplate for the hermetic scroll compressor is
mounted on the compressor housing, near the motor
terminal junction box.
1. A qualified Trane technician must perform the task
Evaporator Nameplate
2. Use technical support for any questions that may arise
during the task
3. Be aware that disassembly/reassembly could possibly
affect warranty status of the chiller, especially if failure/
issues occur that point toward improper reassembly &
installation
4. All required installation and startup checklists are still
required to be completed and promptly returned for
review, including the required running data log as
instructed in the startup checklist
18
The evaporator nameplate is mounted on evaporator
under the insulation. To view the evaporator nameplate,
remove the insulation over the area if covered and spread
the insulation. The serial number information is also on
record at the factory.
Condenser Nameplate
The condenser ASME nameplate is mounted on the side of
the condenser.
CG-SVX038A-EN
Unit Piping
Water Piping — General
Make water piping connections to the evaporator and
condenser (CGWR only). Isolate and support piping to
prevent stress on the unit. Use unions, flanges or grooved
lock type fittings to simplify disassembly and facilitate
service procedures. Use vibration eliminators to prevent
transmitting vibrations to the water lines. Install
thermometers in the lines to monitor evaporator and
condenser water temperatures. Install balancing cocks in
both the leaving chilled water and condenser water lines.
These valves can be used to establish a balanced water
flow. Entering and leaving chilled and condenser water
lines should have shutoff valves installed to isolate the
heat exchanger for service. See Figure 3, p. 21 for chilled
water piping schematic and Figure 4, p. 22 for condenser
water piping schematic.
Do not overtighten connections. Use a pipe sealant such as
Teflon® tape on all threaded water connections. Flush all
piping before attaching to the unit. Unit MUST be
bypassed if using a flushing agent.
NOTICE:
Equipment Damage!
To prevent equipment damage, you MUST follow
instructions below:
•
Bypass unit if using a flushing agent.
•
Chilled water piping must rise above the chiller to
insure the evaporator is full of water and void of air at
all times.
•
Do not overtighten connections.
Piping and specialties must be installed in accordance
with national and local codes.
Water Flow Rates
Establish balanced water flow through both the
evaporator and condenser. Flow rates should fall between
the minimum and maximum values given in General Data
Table 1 and Table 2, p. 7. Flow rates above or below these
values can cause equipment damage or improper unit
operation. Measure the evaporator and condenser water
pressure drop at the gauge ports located adjacent to the
heat exchanger, before any piping specialty components,
such as wye strainer. Evaporator water pressure drop
curves are shown in Table 5, p. 23. Condenser pressure
drop curves are shown in Table 6, p. 23.
Optional inlet wye strainer has an outlet port that can be
used for measuring inlet evaporator water pressure, if it is
installed immediately adjacent to the evaporator inlet.
Note: Evaporator and condenser pressure drop
measurement is for an approximation and is to be
used as a tool to estimate flow rate and as an aid in
CG-SVX038A-EN
waterside system design. If an accurate
measurement of flow rate is required, an accurate
flow measurement device must be installed in the
water line.
Water Treatment
NOTICE:
Proper Water Treatment Required
The use of untreated or improperly treated water in this
unit could result in scaling, erosion, corrosion, algae or
slime. It is recommended that the services of a qualified
water treatment specialist be engaged to determine
what water treatment, if any, is required. Trane
assumes no responsibility for equipment failures which
result from untreated or improperly treated water, or
saline or brackish water.
Using untreated or improperly treated water in these units
may result in inefficient operation and possible tube and/
or brazed plate damage. Consult a qualified water
treatment specialist to determine if treatment is needed.
NOTICE:
Waterborne Debris!
To prevent evaporator or condenser damage,
evaporator and condenser strainers must be installed in
the water supplies to protect components from water
born debris. Removal of wye strainer or screen will void
the warranty on the brazed plate evaporator.
Chilled Water Piping
Chilled water piping and associated components shall be
installed in accordance with Figure 3, p. 21. Chilled water
inlet and outlet types, sizes and locations are provided in
Table 4, p. 12 and Table 5, p. 14. Chilled water piping must
rise above the chiller to ensure the evaporator is full of
water and void of air at all times. All chilled water lines
must be insulated to minimize heat gain and prevent
condensation.
Brazed Plate Evaporator
Trane CGWR/CCAR chillers are equipped with brazed plate
evaporators made of stamped stainless steel plates,
furnace brazed together with copper to form a durable
high efficiency heat exchanger. Because of the small
complex geometry of the flow passages, it is imperative
customers take all precautions to ensure these
evaporators are not fouled by large particles or internal
mineral deposits. For this reason, a 20 mesh wye strainer
is required in the inlet chilled water line. Operation of the
chiller without this wye strainer or the wye strainer 20
mesh screen will void the chiller warranty. Chemical
19
Unit Piping
treatment of the chilled water loop is required and must be
performed by a qualified water specialist.
unacceptable system control problems and the potential
for evaporator failure.
Table 7.
NOTICE:
Proper Water Treatment!
The use of untreated or improperly treated water could
result in scaling, erosion, corrosion, algae or slime. It is
recommended that the services of a qualified water
treatment specialist be engaged to determine what
water treatment, if any, is required. Trane assumes no
responsibility for equipment failures which result from
untreated or improperly treated water, or saline or
brackish water.
Wye Strainer — Required
A wye strainer with 20 mesh screen must be installed
immediately adjacent to the inlet water connection to the
evaporator.
Important:
Operation of the chiller without this wye
strainer AND 20 mesh screen in place will
void the unit warranty.
Minimum system volumes
CGWR/CCAR Unit Size
(tons)
Minimum System Volume
(gal)
20
157
30
226
40
311
50
355
65
442
Condenser Water Piping
Condenser water piping and associated components shall
be installed in accordance with condenser water piping
schematic Figure 4, p. 22. Condenser water inlet and outlet
types, sizes and locations are provided in Table 4, p. 12 and
Table 5, p. 14.
NOTICE:
Excessive Water Pressure!
Flow Proving Device — Required
To prevent condenser or regulating valve damage, do
not exceed nameplate condenser water pressure.
NOTICE:
Unexpected Chiller Start!
Discharge Pressure Control/
Optional Factory-Installed Water
Regulating Valve
Failure to follow instructions could cause the chiller to
start unexpectedly which could result in equipment or
property damage. An external source (EMS, time clock
or any other means) should not be allowed to bring on
a pump that would trigger the flow switch to start the
chiller. The flow switch is meant to act as a safety
switch and not a start/stop mechanism.
Optional chilled water flow switch or other factory
approved flow proving device is mandatory. It is fieldinstalled by others. Flow switch is to be installed and
maintained in accordance with manufacturer’s
recommendations and interconnected to the unit control
panel as described in the field-wiring diagram. To provide
additional chiller protection, wire the flow proving device
control circuit in series with a chilled water pump starter
normally open auxiliary contact to create a chilled water
pump interlock. See “Chilled Water Flow Switch,” p. 28.
Chilled Water System Volume
Trane requires minimum system volumes as indicated in
Table 7. Special applications may allow deviation from
these volumes, but only with approval of Trane
engineering. Operation below these volumes will cause
20
A means of maintaining stable discharge pressure during
full-load, part-load and transient conditions is required.
Saturated discharge temperature must be maintained
between 80°F and 128°F. Trane offers an optional factory
installed water regulating valve that is controlled by the
unit controller. The optional water regulating valve
maintains condensing pressure and temperature by
throttling water flow leaving the condenser in response to
compressor discharge pressure. Field-supplied water
regulating valves must be adjusted for proper operation
during full-load, part-load and transient conditions. Fieldsupplied water regulating valves must also be adjusted for
proper positioning when unit is off.
Alternative field-supplied methods for condensing
pressure/temperature control include the use of cooling
tower control strategies. Cooling tower systems may
include a manual or automatic bypass valve that can alter
water flow rate and basin temperature to maintain stable
condensing temperature at the chiller.
Well or city water condensing systems should include a
water regulating valve and potentially a pressure reducing
valve. A pressure reducing valve should be installed to
reduce water pressure entering the condenser if water
pressure can exceed tube-side maximum allowable
working pressure as indicated on the condenser
nameplate. This is also necessary to prevent damage to
CG-SVX038A-EN
Unit Piping
disc and seat type water regulating valves caused by
excessive pressure drops through the valve.
Under full load AHRI standard conditions, and with
approximately 3 gpm/ton cooling water flow through the
condenser, the temperature rise across the condenser will
be approximately 10°F. In all cases, the minimum inlet
condenser water temperature is 65°F.
Figure 3.
Chilled water piping schematic
8
6
4
T2
7
5
FT
3
2
T4
1
Pi
B
A
6
T1
T3
5
3
UNIT
2
T5
CUSTOMER PIPING
(c) Chilled water flow-proving device is required.
Table 8.
Reference numbers
Item
Description
1
Bypass Valve
2
Isolation Valves
3
Vibration Eliminators
4
Evaporator Heat Exchangers
5
Inlet and Outlet Chilled Water Lines
6
Valves for Pressure Measurement
7(a)
Strainer with 20 mesh screen
8
Evaporator Manual Air Vent Valve w/Plug
A
Isolator Unit for initial water loop cleaning
B(b)
Arrangement for Measuring Differential Pressure
FT(c)
Water Flow Switch
Pi
Pressure Gauge
T1
Evaporator outlet temperature sensor
T2
Evaporator inlet temperature sensor
T3
Evaporator core temperature sensor
T4
Chiller inlet temperature gauge
T5
Chiller outlet temperature gauge
(a) Strainer with 20 mesh screen is required.
(b) Must account for water head difference when calculating total unit pressure differential.
CG-SVX038A-EN
21
Unit Piping
Figure 4.
Condenser piping schematic
Optional
Water
Regulating
Valve
Vibration Eliminator
Temperature Gauge
Valve for Pressure Measurement
Isolation Valve
T
Condenser Out
Pressure Gauge
Bypass Valve
P
T
Condenser In
Isolation Valve
Valve for Pressure Measurement
Temperature Gauge
Vibration Eliminator
UNIT
FACTORY
INSTALLED
OPTIONS
CUSTOMER PIPING
(IF ORDERED)
22
CG-SVX038A-EN
Unit Piping
Water Pressure Drop Curves
Figure 5.
Evaporator water pressure drop
p
p
20.00
20 TON
35
18.00
30 TON
30
16.00
Pressure Drop, psi
65 TON
25
12.00
40 TON
20
10.00
15
8.00
6.00
10
Pressure Drop, ft of H2O
50 TON
14.00
4.00
5
2.00
0
0.00
0
50
100
150
200
250
Flow, GPM
Figure 6.
Condenser water pressure drop
25.00
18.00
20 TON
16.00
30 TON
20.00
Pressure Drop, psi
12.00
50 TON
15.00
10.00
40 TON
65 TON
8.00
10.00
6.00
4.00
Pressure Drop, ft of H2O
14.00
5.00
2.00
0.00
0.0
50.0
100.0
150.0
200.0
0.00
250.0
Flow, GPM
CG-SVX038A-EN
23
Unit Piping
Low Suction Temperature and Pressure Cutouts/
Percent Glycol Recommendations
Table 9 shows the low suction temperature and pressure
cutouts for different glycol levels.
For some operating conditions this effect can be
significant.
Additional glycol beyond the recommendations will
adversely affect unit performance. The unit efficiency will
be reduced and the saturated evaporator temperature will
be reduced.
If additional glycol is used, then use the actual percent
glycol to establish the Low and Unsafe refrigerant suction
pressure cutout set points.
Table 9.
Minimum recommended setpoints
Ethylene Glycol/Water
Glycol Solution
%
Freeze
LOW
UNSAFE
(By
Point SUCTION(a) SUCT(b)
(psig)
Mass)
(°F)
(psig)
Propylene Glycol/Water
FREEZE(c)(d)
(°F)
CORE FREEZE(e)
(°F)
Glycol Solution
%
Freeze
LOW
UNSAFE
(By
Point SUCTION(a) SUCT(b)
(psig)
Mass)
(°F)
(psig)
FREEZE(c)(d)
(°F)
CORE FREEZE(e)
(°F)
0
2
4
32.0
30.9
29.9
101.12
98.87
96.86
71.58
69.79
68.18
38.0
36.9
35.9
0
2
4
32.0
30.9
29.7
101.12
98.87
96.46
71.58
69.79
67.86
38.0
36.9
35.7
5
6
8
29.4
28.8
27.5
95.86
94.67
92.13
67.39
66.44
64.42
35.4
34.8
33.5
5
6
8
29.1
28.5
27.3
95.26
94.08
91.75
66.91
65.97
64.12
35.1
34.5
33.3
10
12
14
26.2
24.6
23.0
89.64
86.63
83.69
62.44
60.06
57.73
32.2
30.6
29.0
10
12
14
26.1
24.8
23.6
89.45
87.00
84.78
62.29
60.35
58.60
32.1
30.8
29.6
15
16
18
22.2
21.3
19.6
82.24
80.63
77.65
56.59
55.32
52.98
28.2
27.3
25.6
15
16
18
22.9
22.1
20.7
83.51
82.06
79.57
57.59
56.45
54.49
28.9
28.1
26.7
20
22
24
17.9
15.9
13.7
74.75
71.42
67.86
50.69
48.08
45.30
23.9
21.9
19.7
20
22
24
19.2
17.5
15.6
76.96
74.07
70.92
52.43
50.16
47.69
25.2
23.5
21.6
25
26
28
12.7
11.4
9.2
66.28
64.27
60.95
44.07
42.50
39.91
18.7
17.4
15.2
25
26
28
14.6
13.7
11.5
69.30
67.86
64.42
46.42
45.30
42.62
20.6
19.7
17.5
30
32
34
6.7
4.2
1.4
60.65
60.65
60.65
39.68
39.68
39.68
15.0
15.0
15.0
30
32
34
9.2
6.6
3.9
60.95
60.65
60.65
39.91
39.68
39.68
15.2
15.0
15.0
35
36
38
-0.2
-1.5
-4.6
60.65
60.65
60.65
39.68
39.68
39.68
15.0
15.0
15.0
35
36
38
2.5
0.8
-2.5
60.65
60.65
60.65
39.68
39.68
39.68
15.0
15.0
15.0
40
42
44
-8.1
-11.7
-15.5
60.65
60.65
60.65
39.68
39.68
39.68
15.0
15.0
15.0
40
42
44
-6.0
-9.8
-14.0
60.65
60.65
60.65
39.68
39.68
39.68
15.0
15.0
15.0
45
46
48
-17.6
-19.7
-24.0
60.65
60.65
60.65
39.68
39.68
39.68
15.0
15.0
15.0
45
46
48
-16.1
-18.3
-23.1
60.65
60.65
60.65
39.68
39.68
39.68
15.0
15.0
15.0
50
-28.9
60.65
39.68
15.0
50
-28.3
60.65
39.68
15.0
(a) “LOW SUCTION” refers to the low suction pressure cutout.
(b) “UNSAFE SUCT” refers to the unsafe suction pressure cutout.
(c) “FREEZE” refers to the low leaving fluid temperature cutout.
(d) The minimum leaving fluid temperature set point, “CW OUT TRGT,” should not be less than 5°F above the low fluid temperature cutout, “FREEZE,” and
the core fluid temperature cutout, “CORE FREEZE.”
(e) “CORE FREEZE” refers to the evaporator core fluid temperature cutout.
24
CG-SVX038A-EN
Unit Piping
Refrigerant Piping (CCAR only)
Note: If using a Trane CAUJ air-cooled condenser with a
Trane CCAR compressor chiller, please refer to the
Application Guide - Pairing Trane CCAR
Compressor Chillers with Trane CAUJ Air-Cooled
Condensers SS-APG014*-EN. This guide provides
line sizing, field-component selection, application
considerations and more. If not using a Trane CAUJ
air-cooled condenser, please consider the
following general guidelines and
recommendations when designing your split
system.
Refer to the industry standards for refrigerant piping
selection information; contact the factory if you do not
have access to this data. Refrigerant pipe size selected
must be within the velocity and pressure drop limitations
required for proper system operation. It is essential that
refrigerant piping be properly sized and applied since
these factors have a significant effect on performance.
Note: Use Type K refrigerant-grade copper tubing only.
The use of a lower grade tubing can cause
operating problems.
General Guidelines
Keep these general guidelines in mind as you review the
recommendations specific to field piping refrigerant lines:
•
Limit overall line length. Enough sub-cooling may be
lost as refrigerant travels up the liquid riser to cause
flashing. Review any questionable applications with
the factory.
•
Pipe sizing software such as Trane Engineering
Toolbox can help to quickly determine proper sizes for
refrigerant lines based on current engineering data.
Liquid Line
Sufficient sub-cooling must be maintained at the
expansion valve. To provide proper operation throughout
the range of operating conditions, the liquid-line pressure
drop should not exceed the unit’s minimum sub-cooling
value less 5°F. To achieve this objective, keep these liquidline considerations in mind:
1. Select the smallest, practical line size for the
application. Limiting the refrigerant charge improves
compressor reliability.
2. When designing the liquid line for a typical airconditioning application (i.e., one with an operating
range of 40°F to 110°F), remember that every 10 feet of
vertical rise will reduce sub-cooling by 2.8°F, while
every 10 feet of vertical drop will add 1.1°F of subcooling.
3. Provide a 1-inch pitch toward the evaporator for every
10 feet of run.
CG-SVX038A-EN
4. If the liquid line must be routed through an area
warmer than outdoor air temperature, insulate the line
to prevent the refrigerant from flashing.
5. A replaceable core liquid line filter drier must be
installed as close as possible to the compressor chiller.
The core should be changed whenever the system is
opened for service. Trane compressor chillers do not
include a filter-drier as standard, but one may be
ordered if the installing contractor desires a factory
type.
6. A moisture-indicating sight glass permits a visual
check of the liquid column for bubbles. Sight glasses
are included on the Trane compressor-chiller. However,
never use the sight glass to determine whether the
system is properly charged! Instead, either charge the
system based on the required sub-cooling or calculate
the amount of refrigerant needed and add it based on
weight.
Discharge (Hot Gas) Line
Limit the pressure drop in the discharge line to 6 psid
whenever possible to minimize the adverse effect on unit
capacity and efficiency. While a pressure drop of as much
as 10 psid is usually permissible, note that a 6-psid
pressure drop reduces unit capacity by 0.9 percent and
efficiency by 3 percent.
Pitch discharge lines in the direction of hot gas flow at the
rate of 1/2-inch per each 10 feet of horizontal run.
Discharge line sizing is based on required velocity to
provide good oil movement. Basic discharge line
parameters are:
Max allowable pressure drop 6 psig (1F)
Maximum Velocity 3500 fpm
Minimum Velocity (at minimum load)
Horizontal lines 500 fpm
Vertical lines (up flow) 1000 fpm
To design the discharge line properly, follow the
recommended guidelines:
•
Choose the shortest route from the compressor to the
condenser.
•
Use different pipe sizes for horizontal and vertical lines
to make it easier to match line pressure drop and
refrigerant velocity to discharge-line requirements.
•
To assure proper oil entrainment and avoid annoying
sound levels, size the discharge line so refrigerant
velocity equals or exceeds the minimum velocity in
Table 10 and remains below 3,500 fpm.
•
Prevent oil and condensed refrigerant from flowing
back into the compressor during “off” cycles by:
a. pitching the discharge line toward the condenser,
and
b. routing the discharge line so that it rises to the top
of the condenser, then drops to the level of the
condenser inlet, creating an inverted trap.
25
Unit Piping
•
Double risers are generally unnecessary. The scroll
compressors in Trane units unload to the extent that a
single, properly sized riser can transport oil at any load
condition.
Table 10. Minimum discharge-line velocities for oil
entrainment
Refrigerant Velocity, fpm
Nom. Pipe Size, in.
Riser
Horizontal
7/8
375
285
1-1/8
430
325
1-3/8
480
360
1-5/8
520
390
2-1/8
600
450
•
Riser traps are also unnecessary. Avoid using riser
traps. If the discharge riser is sized to maintain the
proper refrigerant velocity, adding a trap will only
increase the pressure drop.
Reliability determines the success of a split airconditioning system. Interconnecting refrigerant lines
play an instrumental role in that success. It’s up to us to
ensure that our system design practices evolve with
equipment technologies.
This can be summarized as five fundamental “rules”:
1. Choose the right system (i.e., don’t specify splitsystem equipment when a packaged chiller is best
suited for the job).
Final Leak Test
WARNING
Hazard of Explosion!
Failure to follow instructions below could result in
death or serious injury or equipment or property-only
damage. Use only dry nitrogen with a pressure
regulator for pressurizing unit. Do not use acetylene,
oxygen or compressed air or mixtures containing them
for pressure testing. Do not use mixtures of a hydrogen
containing refrigerant and air above atmospheric
pressure for pressure testing as they may become
flammable and could result in an explosion.
Refrigerant, when used as a trace gas should only be
mixed with dry nitrogen for pressurizing units.
Once refrigerant piping is completed, thoroughly test the
system for leaks.
System Evacuation
WARNING
Risk of Internal Arc Flash!
Failure to follow instructions could result in death,
serious injury and compressor damage. Do not use a
megohmmeter or apply power to compressor windings
under vacuum as it could result in an arc flash inside
the compressor.
4. Minimize the length of the interconnecting tubing.
For field evacuation after leak checking, use a vacuum
pump capable of pulling a vacuum of 100 microns or less.
Follow the pump manufacturer’s instructions for proper
use of the pump. Insure that all sections of the system are
properly evacuated before proceeding.
5. Keep the system clean.
Refrigerant Charging
2. Size the interconnecting lines to avoid the use of traps
and double risers.
3. Slope the liquid lines toward the evaporator.
Initial Leak Test
As shipped, Trane compressor-chillers contain a holding
charge of nitrogen only. Before connecting refrigerant
piping, momentarily crack open a Schraeder valve on the
liquid line to insure that the unit is still pressurized. If no
gas escapes thru the valve, leak test the unit to determine
the source of the refrigerant leak prior to installation and
repair any leaks located.
Refrigerant Piping Sizes
Refer to the Trane guide TRG-TRC006-EN and/or ASHRAE
publications to determine piping selection information.
Refrigerant pipe sizes selected must be within the velocity
and pressure drop limitations required for proper system
operations. It is essential that refrigerant piping be
properly sized and applied since these factors have a
significant effect on system performance and reliability.
NOTICE:
Equipment Damage!
To prevent damage to the evaporator and condenser,
never charge liquid refrigerant into either of these
vessels without adequate flow to prevent the
temperature/pressure relationship to fall below 35°F.
Once the system is properly installed, leak tested and
evacuated, refrigerant charging can begin. Liquid
refrigerant must be charged into each circuit through the
liquid line access with the compressor(s) off.
Charge refrigerant into the system by weight. Use an
accurate scale or charging cylinder to determine the exact
charge entering the system. Failure to charge the system
accurately can lead to under or over-charging and result in
unreliable operation.
If system pressure equalize before the full charge enters
the system, close the charging port and proceed to start-up
procedure.
26
CG-SVX038A-EN
Electrical Wiring
WARNING
Proper Field Wiring and Grounding
Required!
Failure to follow code could result in death or serious
injury. All field wiring MUST be performed by qualified
personnel. Improperly installed and grounded field
wiring poses FIRE and ELECTROCUTION hazards. To
avoid these hazards, you MUST follow requirements for
field wiring installation and grounding as described in
NEC and your local/state electrical codes.
General Recommendations
WARNING
Hazardous Service Procedures!
Failure to follow all precautions in this manual and on
the tags, stickers, and labels could result in death or
serious injury.
Technicians, in order to protect themselves from
potential electrical, mechanical, and chemical hazards,
MUST follow precautions in this manual and on the
tags, stickers, and labels, as well as the following
instructions: Unless specified otherwise, disconnect all
electrical power including remote disconnect and
discharge all energy storing devices such as capacitors
before servicing. Follow proper lockout/tagout
procedures to ensure the power can not be
inadvertently energized. When necessary to work with
live electrical components, have a qualified licensed
electrician or other individual who has been trained in
handling live electrical components perform these
tasks.
NOTICE:
Use Copper Conductors Only!
Failure to use copper conductors could result in
equipment damage as the equipment was not designed
or qualified to accept other types of conductors.
The wiring procedures, as described in this portion of the
manual, must be accomplished to obtain proper operation
of the unit.
All wiring must comply with National Electrical Code
(NEC) and state and local requirements. Outside the
United States, the national and/or local electrical
requirements of other countries shall apply. The installer
must provide properly sized system interconnecting and
power supply wiring with appropriate fused disconnect
switches. Type and locations of disconnects must comply
with all applicable codes.
Minimum circuit ampacities, recommended fuse sizes and
other unit electrical data are provided on the unit
nameplate.
CG-SVX038A-EN
Power and Control Wiring
Unit Power Wiring
The installing contractor must connect appropriate power
wiring (with fused disconnects) to the terminal block or
non-fused, unit-mounted disconnect in the power section
of the unit control panel. Electrical schematics and
component location drawings are also mounted on the
inside of the control panel door.
The unit power fused disconnect switch should be located
in the general area of the unit, to comply with NEC or local
codes. Some codes require line-of-sight disconnect
locations. The optional unit unfused disconnect can be
used as an emergency shutdown device.
Scroll Compressor Electrical Phasing
General
WARNING
Hazardous Voltage!
Failure to disconnect power before servicing could
result in death or serious injury. Disconnect all electric
power, including remote disconnects before servicing.
Follow proper lockout/tagout procedures to ensure the
power can not be inadvertently energized.
NOTICE:
Compressor Damage!
Operating compressors in reverse rotation will cause
damage or failure of the compressor.
It is critical that proper rotation of the scroll compressors
be established before the machine is started. Proper motor
rotation requires confirmation of the electrical phase
sequence of the power supply. The motor is internally
connected for clockwise rotation with the inlet power
supply phased “ABC” or “L1, L2, L3”.
The order in which the three voltages of a three-phase
system succeed one another is called phase sequence or
phase rotation. When rotation is clockwise, phase
sequence is usually called “ABC” and when
counterclockwise, “CBA”.
This direction may be reversed by interchanging any two
of the line wires. It is this possible interchange of wiring
that makes a phase sequence indicator necessary, if the
operator is to quickly determine the phase rotation of the
motor.
Setting Proper Electrical Phase Sequence
Proper compressor motor electrical phasing can be quickly
determined and, if necessary, corrected before starting the
unit. Use a quality instrument, such as an Associated
27
Electrical Wiring
Research Model 45 Phase Sequence indicator or
equivalent and follow this procedure.
1. Verify that all operating controls for the unit are in the
“Off” position.
2. Disconnect power to the power distribution block in
the unit control panel
3. Connect the phase sequence indicator leads to the
power distribution block as follows:
Voltage Imbalance
Excessive voltage imbalance between phases in a threephase system will cause motors to overheat and
eventually fail. Maximum allowable imbalance is
2 percent. Voltage imbalance is defined as 100 times the
maximum deviation of the three voltages (three phases)
subtracted from the average (without regard to sign),
divided by the average voltage.
Example:
Phase Seq. Lead
Terminal ID
Black (Phase A)
L1
Red (Phase B)
L2
If the three voltages measured at the line voltage fused
disconnect are 221 volts, 230 volts and 227 volts, the
average would be:
Yellow (Phase C)
L3
221 + 230 + 227 = 226 volts
4. Turn power on by closing the unit supply power fused
disconnect switch.
5. Read the phase sequence displayed on the indicator.
The “ABC” LED on the face of the phase indicator will
glow if phase sequence is ABC.
6. If the “CBA” indicator glows instead, open the unit
main power disconnect and switch two line leads on
the power distribution block in the unit control panel.
Close the main power disconnect and recheck phasing.
7.
Open the unit disconnect and remove the phase
indicator.
3
The percentage of imbalance is then:
100 (226-221) = 2.2%
226
In the preceding example, 221 is used because it is the
farthest from the average. The 2.2 percent imbalance that
exists exceeds maximum allowable imbalance by
0.2 percent. This much imbalance between phases can
equal as much as 20 percent current imbalance with a
resulting increase in winding temperature that will
decrease compressor motor life.
Unit Voltage
Control Power Supply
Electrical power to the unit must meet stringent
requirements for the unit to operate properly. Total voltage
supply and voltage imbalance between phases should be
within the tolerances discussed below.
A fused, panel-mounted control power transformer is
standard on all units. Replacement fuses are listed on the
“Fuse Schedule” decal located adjacent to the transformer
inside the control box.
Voltage Supply
External Contacts
WARNING
Live Electrical Components!
Chilled Water Flow Switch
Failure to follow all electrical safety precautions when
exposed to live electrical components could result in
death or serious injury. When necessary to work with
live electrical components, have a qualified licensed
electrician or other individual who has been properly
trained in handling live electrical components perform
these tasks.
Measure each leg of supply voltage at the line voltage
disconnect switches. Readings must fall within the range
of 187-254 volts for units with a nameplate voltage of 
208/230 volt and 414-508 volts for units with a nameplate
voltage of 460 volts. If voltage on any leg does not fall
within tolerance, notify the power company and request
correction of this situation before operating the unit.
Inadequate voltage to the unit will shorten the life of relay
contacts and compressor motors.
28
The unit controller has an input that accepts a contact
closure from a proof-of-flow device such as a flow switch
or other factory approved flow proving device. When this
input does not prove flow within a fixed time relative to
transition from enabled to run modes of the chiller, or if the
flow is lost while the chiller is in the running mode of
operation, the chiller will be prohibited from running. The
installer must provide and install this flow proving device.
See also wiring diagrams attached to the inside of the
control panel door. Failure to provide this flow proving
device voids unit warranty.
CG-SVX038A-EN
Electrical Wiring
NOTICE:
Unexpected Chiller Start!
Failure to follow instructions could cause the chiller to
start unexpectedly which could result in equipment or
property damage. An external source (EMS, time clock
or any other means) should not be allowed to bring on
a pump that would trigger the flow switch to start the
chiller. The flow switch is meant to act as a safety
switch and not a start/stop mechanism.
CCAR Condenser Fan Staging or VFD
Control
The CCAR compressor chiller unit controller has the ability
to control fan staging, fan VFDs and damper control in
order to improve the stability of discharge pressure at
various ambient conditions.
Unit controller capability single circuit compressor chillers
(CCAR 20, and 30) have three dry contact relays to cycle
condenser fan motors to control discharge pressure, as
well as one 0 to 10 Vdc analog output to control a VFD or
fan damper. Dual circuit compressor chillers (CCAR 40, 50,
and 65) have six dry contact relays to cycle condenser fan
motors to control discharge pressure, as well as two 0 to
10 Vdc analog output to control a VFD or fan damper.
CCAR unit controller must control condenser ambient
control devices such as fan cycling and optional low
ambient dampers. As a result the interconnecting field
wiring must be done by others. For pairing CCAR
compressor chiller with CAUJ air cooled condenser, the
following field wiring is to be done by others.
•
Fan cycling control
• One control wire for each condenser fan plus a
common must be run between CCAR compressor
chiller and CAUJ condenser.
• Required fan control wiring for CCAR compressor
chillers matched with CAUJ condensers utilizing
fan control are covered by schematic, instructions,
and associated footnotes on Figure 21, p. 53 and
Figure 22, p. 54.
•
Low Ambient Dampers (when applicable)
• One shielded pair for each condenser damper
assembly must be run between CCAR compressor
chiller and CAUJ air cooled condenser.
• Required damper control wiring for CCAR
compressor chillers matched with CAUJ
condensers utilizing low ambient control damper
assembly are covered by schematic, instructions
and associated footnotes on Figure 23, p. 55 and
Figure 24, p. 56.
CG-SVX038A-EN
CGWR Condenser Water Loss of Flow
Protection
The controller logic will sense a loss of flow through the
condenser. No flow switches are necessary with the
standard unit controller configuration.
CGWR Condenser Control
CGWR units have one dry contact relay to start a
condenser pump. These chillers also have one 0 to 10 Vdc
analog output to control a head pressure control valve.
Consult wiring diagram located inside the control box
door for connection point(s).
Equipment Grounds
NOTICE:
Use Copper Conductors Only!
Failure to use copper conductors could result in
equipment damage as the equipment was not designed
or qualified to accept other types of conductors.
Provide proper grounding at the connection point
provided in the unit control panel.
Unit Controller
Note: The unit controller section in this IOM contains only
a brief overview of the unit controller. Please
consult the Unit Controller Version 17 Manual Rev.
3.0 for Cold Generator™ Chillers (CG-SVX030*-EN)
which documents the function of the unit controller
including setpoint definitions, points lists and
much more.
The unit controller is a rugged microprocessor based
controller designed for the hostile environment of the
HVAC/R industry. It is designed to be the primary manager
of the CCAR/CGWR product.
The unit controller provides flexibility with setpoints and
control options that can be selected prior to
commissioning a system or when the unit is live and
functioning. Displays, pressures, temps, alarms and other
interfaces are accomplished in a clear and simple
language that informs the user as to the status of the
controller. Refer also to the wiring diagram attached to the
inside of the control panel door.
A password is required to access controller setpoints. Use
password code 2112 to access many of these features. A
factory code may be required to allow access to critical
areas, and can only be entered by a factory representative.
A RS-485 port is provided for communication with other
manufacturers’ systems. Additionally, a built-in RS-485 to
RS-232 converter allows communication over the RS-485
port via the RS-232 port. Other features include the
integration of BACnet® IP and MODBUS® into the unit
controller. An optional gateway card allows
29
Electrical Wiring
communication via BACnet® MSTP, Johnson N2, and
LONWORKS®, and this should be ordered with the chiller if
required. An ethernet connection is also provided on each
unit. While field changes can be made, please insure that
the unit is ordered set up for required communications to
insure that factory testing includes end user configuration.
A complete software support package is available for your
PC allowing for system configuration, dynamic on-line
display screens, remote communication, graphing and
more. See “Downloading and Installing Unit Controller
(MCS-Connect) Software,” p. 31 for download
instructions. All information needed to run the unit is
available from the unit display; however, a laptop
computer is invaluable for ease of use of diagnosing or
changing the unit setpoints.
Note: Not all setpoints can be changed with
MCS-Connect; some require a configuration
change.
A serial cable is included in each shipment for the
convenience of the field tech. If you do not have a laptop
with a serial port, you will require a converter such as a
Black Box item number #IC199A-R3 serial-to-USB adaptor.
The standard configuration allows for unit to start at
lowest stage possible, then add compressors as needed to
meet demand.
Important:
30
All configuration changes need to be done
by factory representatives to ensure proper
operation of the unit within design
parameters. Refer to MCS unit controller
manual for sequence of operation and
additional details.
CG-SVX038A-EN
Unit Controller—Software Installation and Setup
Downloading and Installing Unit
Controller (MCS-Connect)
Software
Go to www.nappstech.com. Click on Downloads in the
grey bar and select MCS-CONNECT. Select SAVE. After
downloading, open and select RUN. Follow prompts and
software will be installed on your computer.
If your computer does not have a serial port, you will need
to purchase a USB to Serial adapter. (Computer stores
should have this.) Install the software for the adapter. If
your computer has a serial port, you will not need an
adapter.
You will need to know which Port your computer uses as
the COM PORT. In Microsoft® Vista, go to the CONTROL
PANEL and select DEVICE MANAGER. Look for PORTS
(COM & LPT), expand and you should see a COM PORT
number. Windows® 7 is similar.
Start the MCS-CONNECT software. Select
SETUP>COMMUNICATIONS and then change LOCAL
COM PORT to match your computer. Select SAVE and
then OK.
Connecting to the Chiller
Connect the supplied NULL MODEM cable between your
USB adapter or serial port to the chiller. A standard serial
cable will not work. Start the MCS-CONNECT software and
select LOCAL SERIAL. You will see the site info page. The
software should scan and find the chiller. (If you see a
Failed to open comm port error, or it scans and does not
find the chiller, your comm port settings are not correct.)
Click the 1-CCAR/CGWR tab. The screen shows real time
data.
Set Point Changes
Click the VIEW ONLY button. Enter the password code
2112. Select OK. Button should say SERVICE. Go to set
points and double-click on a value. Change and select OK.
Viewing and Troubleshooting ALARMS
The unit controller will record and store 30-second sensor
input data prior to and up to any LOCKOUT ALARM. Select
the ALARM tab, then INFO next to the alarm you want to
analyze. This will pop up a screen that shows operating
conditions just prior to the trip. You can easily determine
if the fault was caused by a sudden or gradual change. For
instance, a sudden increase in discharge pressure might
suggest a condenser pump or fan failure etc. (This data can
also be viewed from the chiller LCD screen. Select
LOCKOUT ALARMS.)
CG-SVX038A-EN
Downloading and Viewing Graphs
The unit controller continuously records and stores sensor
input and relay/analog output data. This data is collected
in 10-second (default) intervals. The controller stores
1008 packets of data replacing the oldest with the newest.
With the time interval set at 10 seconds, you can download
graph data with a time span of 168 minutes. The time
interval is adjustable.
In the MCS-CONNECT software, select GRAPH. Data will
be downloaded and then a graph setup page will appear.
Select the input and output data you want to look at. Type
in Y-axis parameters and select OK. Use the scroll bar at
the bottom of the graph to view. You can go back to the
setup page at any time to change selections. You may save
the graph to view later. You don’t have to be connected to
view a saved graph file. Your saved graph will be located
in a folder called GRAPH inside another folder called MCS
on your C: drive.
To change the default 10-second interval, make changes
and select SAVE and then OK on the setup page. The
controller will now record data at this new interval.
To view a saved graph, select LOAD A GRAPH FILE.
These files can be e-mailed to us for analysis if needed.
Updating Chiller Software and
Configuration Files
Trane chillers are programmed, set up, and tested prior to
shipment. Sometimes after a unit arrives at the jobsite, the
customer may want to enable an option such as 0–5 Vdc
target reset or chilled water pump control etc. These
options require a configuration change. We will either
have you download the configuration file from the chiller
and e-mail it to us where we will modify it and return it to
you, or we will modify a default configuration file we have
here at the factory and send it to you. Modifying a
configuration file you send us will save any setpoint
changes that have been made on site. Otherwise, the
controller will be set back to default factory settings.
To e-mail us a copy of your chiller’s configuration file, in
the MCS-CONNECT software, establish communication
with the chiller and select RECEIVE CFG. Name it
something and e-mail it to [email protected].
To load a configuration file, turn off circuit enable switches
and select TRANSMIT CFG. Locate the new file and press
OPEN. The file will be uploaded to the controller. The
controller will reboot itself.
Routine software (HEX FILE) updates are NOT necessary.
However, if we think a software update is necessary to
resolve an operating issue you may be having, we will
e-mail the hex file in a zipped folder. Save the zipped folder
to your desktop. Right click folder and select EXTRACT
ALL. This will create another folder by the same name on
your desktop. Inside this folder you’ll find the hex file. It
should be about 2300 KB large.
31
Unit Controller—Software Installation and Setup
In the MCS-CONNECT software, select TRANSMIT SW.
Locate the extracted hex file and select Transmit. Watch
the chiller LCD screen. After the file is uploaded, the Trane
MCS Digital Controller will verify that it’s a valid file and
then erase the flash memory. Next, it will write the new hex
to memory. When completed, the controller will reboot
itself. This process may take 15 or 20 minutes. After the
reboot is completed, close and restart the MCS-CONNECT
software to reestablish communication with the chiller.
32
CG-SVX038A-EN
Unit Startup Procedures
NOTICE:
Compressor Failure!
NOTICE:
Equipment Damage!
To protect compressors from premature failure the unit
must be powered and crankcase heaters energized at
least 24 hours BEFORE compressors are started.
•
To prevent overheating at connections and undervoltage conditions at the compressor motor, check
tightness of all connections in the compressor power
circuit.
•
To prevent compressor damage, do not operate the
unit with discharge or liquid line service valves
closed.
•
The use of untreated or improperly treated water in a
Chiller may result in scaling, erosion, corrosion, algae
or slime. It is recommended that the services of a
qualified water treatment specialist be engaged to
determine what water treatment, if any, is required.
The Trane Company assumes no responsibility for
equipment failures which result from untreated or
improperly treated water, or saline or brackish water.
•
To prevent evaporator or condenser damage, pipe
strainers must be installed in the water supplies to
protect components from water born debris. Trane is
not responsible for equipment damage caused by
water born debris.
Prior to calling for start-up services or commissioning,
CG-ADF005*-EN (CGWR Installation Completion Check
List and Request for Trane Service) or CG-ADF006*-EN
(CCAR Installation Completion Check List and Request for
Trane Service), as appropriate, must be completed and
submitted. Once CG-ADF005*-EN or CG-ADF006*-EN has
been submitted, CG-ADF007*-EN (Start-up Check List for
CGWR and CCAR Chillers) must be followed and
submitted.
Pre-Start Up Procedures Check
List
Complete each step in the “Pre-Start Up Procedures”
check list included in CG-ADF007*-EN (Start-up Check List
for CGWR and CCAR Chillers) and check off each step as
completed.
WARNING
Hazardous Voltage!
Failure to disconnect power before servicing could
result in death or serious injury. Disconnect all electric
power, including remote disconnects before servicing.
Follow proper lockout/tagout procedures to ensure the
power can not be inadvertently energized.
Sequence of Operation
Power Applied
to Unit Controller
Call for Cooling
Auto
(Power
up Start
Delay)
Auto
Unit Controller
Boot Time
Enforce Power Up
Start Delay Time
Confirm Evaporator
Water Flow
(24 to 90 Sec)
(30 to 120 Sec)
(6 to 600 Sec)
Chiller
Level
Auto
Waiting to
Start
Running
(0 to 5 Sec)
Energize
Condenser Water
Pump Relay
(Only if Chiller
Controls Pump)
Lead
Circuit
Auto
Auto
Auto
Running
Enforce Restart
Inhibit Timer
(0 to 5 Mins)
Lag
Circuit
CG-SVX038A-EN
Open
Solenoid
Valve
Energize
Lead
Compressor
Auto
33
Unit Startup Procedures
Checking Operating Conditions
NOTICE:
Evaporator/Condenser Damage!
Water (fluid) flow must be established in evaporator
and condenser before adding refrigerate, removing
refrigerate, or pulling vacuum, to protect heat
exchangers from freezing.
NOTICE:
Compressor Damage!
Do not allow liquid refrigerant to enter the suction line
as excessive liquid accumulation in the liquid lines
could result in compressor damage.
To prevent compressor damage and ensure full cooling
capacity, use refrigerants specified on the unit
nameplate only.
•
If operating conditions indicate an overcharge,
slowly (to minimize oil loss) remove refrigerant at the
liquid line Schrader fitting. Do not discharge
refrigerant into the atmosphere.
•
If the remote condenser (CCAR) is equipped with low
ambient dampers, check for proper actuator and
blade travel in relation to condensing pressure.
•
Once proper unit operation is confirmed, inspect for
debris, misplaced tools., etc. Secure control panel
doors in place.
Once the unit has been operating for about 10 minutes and
the system has stabilized, check operating conditions and
complete the checkout procedures that follow.
•
Recheck evaporator water and condenser (CGWR)
water flows and pressure drops. These readings
should be stable at proper levels.
•
Check suction pressure and discharge pressure of the
unit.
restriction can often be identified by a noticeable
temperature differential on either side of the restricted
area. Frost often forms on the outside of the liquid line
at this point also.
The system may not be properly charged although
the sight glass is clear. Also consider superheat,
sub-cooling and operating pressure.
•
Once oil level, amp draw and operating pressures have
stabilized, measure system suction superheat.
•
Measure system liquid line sub-cooling.
•
If operating pressure, sight glass, superheat and subcooling readings indicate refrigerant shortage, charge
refrigerant into each circuit. Refrigerant shortage is
indicated if operating pressures are low and subcooling is also low.
If suction and discharge pressures are low but subcooling is normal, no refrigerant shortage exists.
Adding refrigerant, will result in overcharging.
Add refrigerant with the unit running by metering liquid
refrigerant through the Schrader valve between the
expansion valve and the evaporator refrigerant inlet until
operating conditions are normal.
System Superheat
Normal superheat for each circuit is 10°F–16°F at full load.
If superheat is not within this range, adjust expansion
valve superheat setting. Allow 5–10 minutes between
adjustments for the expansion valve to stabilize on each
new setting.
System Sub-cooling
Normal sub-cooling for each circuit is 5°F to 10°F at full
load where saturated discharge pressure and liquid line
temperature are measured at chiller liquid line.
Discharge pressures—take at Schrader fitting provided on
the discharge line. Normal discharge pressures are:
CCAR units: 315 psig to 500 psig
CGWR units: 275 psig to 430 psig
Suction pressures— take at Schrader fitting provided on
the suction line. Normal suction pressures are:
42°F–60°F LWT: 104–155 psig
15°F–39°F LWT: 60–103 psig
•
Check compressor oil levels. At full load, oil level
should be visible in the oil level sight glass on the
compressor. If it is not, add or remove oil as required.
•
Check the liquid line sight glasses. Refrigerant flow
past the sight glasses should be clear. Bubbles in the
liquid line indicate either low refrigerant charge or
excessive pressure drop in the liquid line. Such a
34
CG-SVX038A-EN
Unit Shutdown
Normal Unit Shutdown
Local Stop
Normal Latching Diagnostic
Chiller Level Non-Latching Diagnostic
Tracer Stop
External Auto-Stop
Chiller
Level
Running
Stopped
Run Inhibit
Shutting Down
Stopped
or Run Inhibit
Evap Pump Off Delay Timer
(0 to 30 Minutes)
De-Energize
Condenser
Water Pump Relay
(If Chiller Controls
Pump)
Circuit 1
Auto
Shutting Down
(1 to 5 Sec)
De-Energize
Current Lead Cprsr
De-Energize
Current Lag Cprsr
Close Liquid
Solenoid Valve
Circuit 2
Auto
Shutting Down
(1 to 5 Sec)
De-Energize
Cprsr
Close Liquid
Solenoid Valve
Extended Shutdown Procedure
If the system is taken out of operation for long periods of
time, use this procedure to prepare the system for
shutdown.
1. Test condenser and high side piping for refrigerant
leakage.
2. Open electrical disconnect switches for evaporator
water pump. Lock the disconnect in an open position.
3. Open the unit main electrical disconnect and unitmounted disconnect (if used) and lock in open
position.
CG-SVX038A-EN
35
Unit Restart
Unit Restart After Extended
Shutdown
Use this procedure to prepare the system for restart after
an extended shutdown.
NOTICE:
Compressor Failure!
To protect compressors from premature failure the unit
must be powered and crankcase heaters energized at
least 24 hours BEFORE compressors are started.
NOTICE:
Compressor Damage!
To prevent compressor damage, be certain that all
refrigerant valves are open before starting the unit.
1. Close the unit main disconnect(s) and the unitmounted disconnect (if used).
2. Check compressor crankcase oil levels. Oil should be
visible in the compressor oil level sight glass.
3. Fill the chilled water circuit(s) if drained during
shutdown. Vent the system while filling it.
4. Close the fused disconnect switch(es) for the water
pumps.
5. Start the water pump(s). With water pumps running,
inspect all piping connections for leakage. Make any
necessary repairs.
6. With water pump(s) running, adjust chilled water flow
and check water pressure drop through the evaporator.
7.
Check the flow switch on the evaporator outlet piping
for proper operation.
8. Stop the water pump(s).
9. Complete each step in Trane literature
CGWR-ADF002*-EN (Start-up Check List for CGWR and
CCAR Chillers).
10. Energize Crankcase Heaters (Must be energized
24 hours before startup).
36
CG-SVX038A-EN
Maintenance
WARNING
Hazardous Service Procedures!
Failure to follow all precautions in this manual and on
the tags, stickers, and labels could result in death or
serious injury.
Technicians, in order to protect themselves from
potential electrical, mechanical, and chemical hazards,
MUST follow precautions in this manual and on the
tags, stickers, and labels, as well as the following
instructions: Unless specified otherwise, disconnect all
electrical power including remote disconnect and
discharge all energy storing devices such as capacitors
before servicing. Follow proper lockout/tagout
procedures to ensure the power can not be
inadvertently energized. When necessary to work with
live electrical components, have a qualified licensed
electrician or other individual who has been trained in
handling live electrical components perform these
tasks.
Because scroll compressors are a uniquely different
design from traditional reciprocating compressors, their
operating characteristics and requirements are a
departure from the reciprocating compressor technology.
Compressor Oil
The R-410A scroll compressor uses POE oil as required by
the manufacturer of the compressor. Refer to compressor
manufacturer for exact type and amount of oil in the
specific model in question.
Scroll Compressor Functional Test
Since the scroll compressor does not use discharge or
suction valves, it is not necessary to perform a pumpdown capability test, i.e. a test where the liquid line valve
is closed and the compressor is pumped in a vacuum to
see if it will pump-down and hold. If fact, this kind of test
may actually damage the scroll compressor!
NOTICE:
Compressor Damage!
Do not pump the scroll compressor into a vacuum.
Scroll compressors can pull internal low vacuums when
the suction side is closed or restricted. This, in turn,
may cause the internal Fusite® terminal to arc, resulting
in compressor damage or failure. It may also trip the
circuit breakers, blow fuses, or trip the discharge
thermostat.
The proper procedure for checking scroll compressor
operation is outlined below:
1. Verify that the compressor is receiving supply power of
the proper voltage.
2. With the compressor running, measure the suction
and discharge pressures/temperatures to determine
whether or not they fall within the compressor
operating map shown in figure below.
See “Checking Operating Conditions,” p. 34 for normal
operating pressure ranges for the unit.
Oil Level. While the compressor is running, the oil level
may be below the sight glass but still visible through the
sight glass. The oil level should NEVER be above the sight
glass!
Oil Appearance. If the oil is dark and smells burnt, it was
overheated because of compressor operation at extremely
high condensing temperatures, a compressor mechanical
failure, or occurrence of a motor burnout. If the oil is black
and contains metal flakes, a mechanical failure has
occurred. This symptom is often accompanied by a high
amperage draw at the compressor motor.
Notes:
•
If a motor burnout is suspected, use an acid test kit to
check the condition of the oil. If a burnout has occurred,
test results will indicate an acid level exceeding
0.05 mg KOH/g.
•
The use of commercially available oil additives is not
recommended. Liability for any detrimental effects
that the use of non-approved products may have on
equipment performance or longevity must be
assumed by the equipment owner, equipment
servicer, or the oil additive manufacturer.
CG-SVX038A-EN
37
Maintenance
Figure 7.
Compressor operating map
Compressor Operating Map
Saturated Condensing Temperature (°F)
150
140
130
120
110
100
90
80
70
-10
0
10
20
30
40
50
60
70
80
Saturated Evaporating Temperature (°F)
Compressor Operational Noises
Because the scroll compressor is designed to
accommodate liquids (both oil and refrigerant) and solid
particles without causing compressor damage, there are
some characteristic sounds that differentiate it from those
typically associated with a reciprocating compressor.
These sounds, which are described below, are normal and
do not indicate that the compressor is defective.
At low ambient startup: When the compressor starts up
under low ambient conditions, the initial flow rate of the
compressor is low. Under these conditions, it is not
unusual to hear the compressor rattle until the suction
pressure climbs and the flow rate increases. These sounds
are normal and do NOT affect the operation or reliability of
the compressor.
Note: Operation of the chiller with saturated suction
temperatures below freezing will cause damage to
the evaporator. If this occurs immediately stop the
machine, diagnose and correct the problem.
Periodic Maintenance
Perform all of the indicated maintenance procedures at the
intervals scheduled. This will prolong the life of the unit
and reduce the possibility of costly equipment failure.
Weekly Maintenance
Once the unit has been operating for about 10 minutes and
the system has stabilized, check operating conditions and
complete the checkout procedures that follow.
•
Check compressor oil levels. Oil should be visible in the
sight glass when the compressor is running. Operate
the compressors for a minimum of three to four hours
when checking oil level, and check level every
30 minutes. If oil is not at proper level after this period,
have a qualified service representative add or remove
oil as required.
•
Check suction pressure and discharge pressure.
•
Check the liquid line sight glasses.
•
If operating pressures and sight glass conditions seem
to indicate refrigerant shortage, measure system
superheat and system sub-cooling.
•
If operating conditions indicate an overcharge, slowly
(to minimize oil loss) remove refrigerant at the liquid
line service valve.
•
Inspect remote condenser coils for cleanliness (CCAR
only) and clean if required. Refer to the condenser
manufacturer’s recommendations.
Excessive Amp Draw
Excessive Amp Draw occurs either because the
compressor is operating at an abnormally high
condensing temperature OR because of low voltage at the
compressor motor.
Motor amp draw may also be excessive if the compressor
has internal mechanical damage. In this situation,
vibration and discolored oil can also be observed.
Low Suctions
Continuous low suction pressures are most likely caused
by low evaporator load coupled with a system anomaly.
Symptoms that may accompany low suctions include a
rattling sound emitted from the compressor or an open
motor winding thermostat or discharge thermostat.
38
CG-SVX038A-EN
Maintenance
Inspect the entire system for unusual conditions. Use an
operating log to record a weekly operating conditions
history for the unit. A complete operating log is a valuable
diagnostic tool for service personnel.
Monthly Maintenance
Once the unit has been operating for about 10 minutes and
the system has stabilized, check operating conditions and
complete the checkout procedures that follow.
•
Perform all weekly maintenance procedures.
•
Check refrigerant superheat at the compressor suction
line. Superheat should be in the range of 10°F–20°F.
Note: A superheat calculated value is incorporated
into the unit controller.
•
Inspect the entire system for unusual conditions.
Review the weekly operating log for conditions history
for the unit and take note of any unusual trends in
performance. Take appropriate preventative actions if
necessary.
Annually
Perform all weekly and monthly maintenance procedures.
•
Have a qualified service technician check the setting
and function of each control and inspect the condition
of and replace compressor and control contacts if
needed.
•
If chiller is not piped to drain facilities, make sure drain
is clear to carry away system water.
•
Drain water from condenser (CGWR only) and
evaporator and associated piping systems. Inspect all
piping components for leakage, damage, etc. Clean
out required evaporator strainer.
•
Inspect condenser tubes and clean, if needed.
•
Clean and repaint any corroded surface.
•
Clean remote condenser coils (CCAR only). Refer to the
condenser manufacturer’s recommendations.
CG-SVX038A-EN
39
Electrical Schematics
CGWR Water-Cooled Chillers
CGWR Field Wiring
Figure 8.
Field wiring for 20 to 65 ton, R-410A CGWR water-cooled chillers
Control Panel Representation
L1
L2
L3
PDB1
A-1
GND
A-2
UNIT CONTROLLER
Optional:
Disconnect
(Factory Installed)
PANEL
GROUND
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19
20 21 22 23 24
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19
20 21 22
23 24
Optional : For CGWR 20-30 ton,
Cooling Tower Pump Enable
4
WARNING
Hazardous voltage!
Disconnect all electrical power
including remote disconnects before
servicing unit. Follow proper lockout/
tagout procedures to ensure power
cannot be inadvertently energized.
Failure to do so can cause death or
serious injury.
1
TBA
DSW1
Optional : For CGWR 40-65 ton,
Cooling Tower Pump Enable
Optional : Alarm Dry
Contacts
5
REQUIRED: Flow Switch (flow
proving device)
Optional: Remote Run/Stop
Interface
CAUTION
Use copper conductors only!
Unit terminals are not designed to
accept other type conductors. Failure
to use copper conductors may cause
equipment damage.
CAUTION
Do not energize the unit until checkout and start-up procedures have
been completed.
Notes:
1. All three-phase motors supplied with the unit are protected under
primary single-phase failure conditions.
2. All customer control-circuit wir ing must have a minimum rating of
150V.
3. All field wiring must be in accordance with applicable local codes.
4
4. Line voltage options. Single or dual source power may be specified.
Drawing covers single source power only. All field wiring must be in
accordance with National Electric Code and State & Local
requirements.
5. (Required) Factory supplied or approved alternate field installed flow
5
proving device connection.
NAME
DATE
DRAWN
SMH
3/22/17
CHECKED
BAR
3/22/17
ENG APPR.
MFG APPR.
Q.A.
CGWR Field Wiring
Diagram
COMMENTS:
SIZE DWG. NO.
40
REV.
A
CGWR Field Wiring 0
SCALE:1:5
WEIGHT:
SHEET 1 OF 1
CG-SVX038A-EN
5
6
F3
3
CG-SVX038A-EN
AMPS COMP 2
(CT 2)
DIGITAL ANALOG
(Shield tied at this end)
MCS IORS485 +12V
Termination
+ - GND
DIGITAL ANALOG
GND SI
SENSOR 12
ETHERNET
+5
UNIT CONTROLLER
To Optional Exp Board
Comm to SI16 or eq
To Customer Interface or
Communications Board
WHITE
BLACK
SHIELD
115v
Voltage
ALARM
RELAY M-10
SPARE
RELAY M-9
NC Com NO
CORE TEMP
SENSOR M-12
WHITE
DIGITAL ANALOG
+5
GND SI
SENSOR 11
BLACK
SHIELD
(PUMP)
CND ENBL1
RELAY M-8
SPARE
RELAY M-7
Com NO
CKT 1 SUC TMP
SENSOR M-11
GND SI
SENSOR 10
DIGITAL ANALOG
GND SI
SENSOR 9
DIGITAL ANALOG
GND SI
SENSOR 8
DIGITAL ANALOG
C2
RELAY M-6
NC
SPARE
+5
+5
DIGITAL ANALOG
GND SI
SENSOR 7
SPARE
NC Com NO
SENSOR M-10
SPARE
+5
+5
GND SI
SENSOR 6
RELAY M-5
SPARE
NC Com NO
SENSOR M-9
SPARE
WHITE
+5
DIGITAL ANALOG
GND SI
SENSOR 5
NC Com NO
SENSOR M-8
SPARE
BLACK &
SHIELD
WHITE
+5
Com NO
SENSOR M-7
WHITE
BLACK &
SHIELD
GND
N
L/L1
20
19
18
17
16
15
9
5B
8
NC
SENSOR M-6
AMPS COMP 1
(CT 1)
7
Com NO
SENSOR M-5
DIGITAL ANALOG
6
NC
RELAY M-4
HGS 1
RELAY M-3
LLS 1
RELAY M-2
C1
RELAY M-1
NC Com NO
GND SI
SENSOR 4
DIGITAL ANALOG
GND SI
SENSOR 3
DIGITAL ANALOG
GND SI
SENSOR 2
A-4 A-3 A-2 A-1
ANALOG OUTS
NC Com NO
+5
RED
BLACK & SHIELD
24
Com NO
CKT 1 DIS PSI
TBA24
DIGITAL ANALOG
5A
TBA20
TBA19
TBA18
TBA17
TBA16
TBA15
3A
8A
TBA11
7A
TBA10
4A
HP1SW
LP1SW
3D
Comp 1
CONTACTOR
C1
TBA1
TBA2
3
TBA5
TBA4
THE INFORMATION CONTAINED HEREON,
WHICH IS THE PROPERTY OF
TRANE,
MUST BE MAINTAINED IN STRICT
CONFIDENCE AND NO PORTION OF
THIS MATERIAL MAY BE REPRODUCED
OR USED FOR ANY PURPOSE
WITHOUT THE EXPRESS WRITTEN CONSENT OF
TRANE
IMPORTANT
WHITE
Comp 2
CONTACTOR
C2
HOT GAS SOLENOID
HGS 1
LIQUID SOLENOID
LLS 1
3A
4
3
3G
FU3
RED
1
TBC1
WHITE
V+ VN
ETHERNET
L
BY
DA T E
(OPTIONAL TOUCHSCREEN
POWER SOURCE)
#
Y1
U
+
-
120
VAC
TR1
POWER IN
+12V GND ??
L1 L2 L3
PWM
FU2
FU1
R E V I S I ON
FU4 FU5 FU6
(OPTIONAL TOUCHSCREEN CONNECTIONS)
TO AO1
TBC3
24 VAC TBC2
(OPTIONAL)
To Unit Controller
Ethernet Connection
or Ethernet Switch
E NGI NE E R ' S S E A L
GND
3G
TR3
120 VAC
RED 3B
TBA-4 WHITE
TBA-2
2
(OPTIONAL)
WHITE
22
23
+5
RED
BLACK & SHIELD
TBA23
CKT 1 SUC PSI
OPTIONAL FIELD
KEYPAD LCD
TBA7
5
3
Bellimo WRV
SENSOR M-4
REM RUN/STOP
SENSOR M-3
SENSOR M-16
21
+5
TBA22
WHITE
PWR MONITOR
BLACK
SHIELD
OPT PWM
CW OUT
BLACK/
+5
SENSOR M-14 SHIELD
+5
CMP1&2 ENABLE
SENSOR M-2
FLOW-Field
+5 +5
gnd
DI-16 DI-15 DI-14 DI-13
DIGITAL INPUTS
GND SI
SENSOR 1
SENSOR M-13 WHITE
+5
SENSOR M-15 TBA21
gnd
WHITE
BLACK
SHIELD
TO UNIT
CONTOLLER
KEYPAD/LCD
CONNECTOR
OPTIONAL WHITE TO TBC3
WRV
SHIELD
+12V
GND
SCL
SDA
+485
-485
CW IN
+12v
Gnd
SCL
SDA
+485
-485
TO KEYPAD / DISPLAY
SENSOR M-1
7
4
F2
2
RED
C1
12
CCH 1
COMPRESSOR
MOTOR
T3
L3
L3
PDB1
2
T2
L2
C2
12
P.O. BOX 3066
LONGVIEW, TX
75606-3066
L3
T3
CCH 2
COMPRESSOR
MOTOR
COMPR
C2 AUX 2
11
T1
L1
PANEL
GROUND
DISCONNECT
(OPTIONAL)
DRAWN BY:
S MH
BAR
CHECKED BY:
R80500011
DRAWING NUMBER
0
1 OF
1
REV.SHEET NO.
B
DWG. SIZE
APP'D BY:
S MH
NAPPS JOB NO.
R410A CGWR CHILLERS
SCALE: NA
DATE: 07/26/17
20 - 30 TON WATER-COOLED CHILLERS
POWER/CONROL WIRING DIAGRAM
TITLE:
1
T2
L2
L2
COMPR
C1 AUX 1
11
T1
L1
L1
DSW1
Figure 9.
Menu
8
F1
1
TBA6
TBA3
Electrical Schematics
CGWR Power/Control Wiring
Refer to name plate on control box door (inside) for
electrical data and wiring diagram.
Power/control wiring schematic for 20 to 30 ton, R-410A CGWR water-cooled chillers
(OPTIONAL)
NC
41
42
AMPS COMP 3
(CT 3)
CKT 2 SUC PSI
To Customer Interface or
Communications Board or
Optional Touchscreen
- GND
MCS IORS485 +12V
+
Termination
DIGITAL ANALOG
GND
SI
SENSOR 12
ETHERNET
+5
ALARM
NC
Com NO
WHITE
BLACK
SHIELD
RELAY M-10
GND
N
L/L1
20
TBA20
TBA19
TBA18
TBA17
3
WHITE
3
BLACK
IMPORTANT
ADDRESS
E NGI NE E R ' S S E A L
#
1
2
3
4
5
6
7
8
THE INFORMATION CONTAINED HEREON,
WHICH IS THE PROPERTY OF
TRANE, MUST BE MAINTAINED IN STRICT
CONFIDENCE AND NO PORTION OF
THIS MATERIAL MAY BE REPRODUCED
OR USED FOR ANY PURPOSE
WITHOUT THE EXPRESS WRITTEN CONSENT OF
TRANE.
WHITE
DIGITAL
ANALOG
Termination
BY
TRANSFORMER
DIGITAL
ANALOG
CKT 2 SUC TMP
115v
19
18
17
SENSOR 8
S1 GND +5+12 +12 +12
SENSOR M-12
DIGITAL ANALOG
Com NO
WHITE
(PUMP)
CND ENBL
RELAY M-9
NC
CKT 1 SUC TMP
Voltage
Com NO
NC
GND
SI
SENSOR 11
DIGITAL
ANALOG
DIGITAL ANALOG
DIGITAL
ANALOG
+5
DIGITAL
ANALOG
SPARE2-8
DIGITAL
ANALOG
BLACK
SHIELD
A3 GND A4
+5 GND SI A1 GND A2
SENSOR 16
ANALOG OUTPUTS
SENSOR 2-8
DIGITAL
ANALOG
SPARE
+5 GND SI
SENSOR 15
SPARE2-7
DIGITAL
ANALOG
SENSOR M-11
+5 GND SI
SENSOR 14
SENSOR 2-7
DIGITAL
ANALOG
GND
SI
SENSOR 10
+5 GND SI
SENSOR 13
SPARE2-6
DIGITAL
ANALOG
+5
DIGITAL
ANALOG
SENSOR 2-6
SENSOR 7
S1 GND +5
SENSOR M-10
CKT 1 Comp 3
CONTACTOR
DIGITAL
ANALOG
SPARE2-5
DIGITAL
ANALOG
SENSOR 2-5
SENSOR 6
S1 GND +5
DIGITAL ANALOG
C3
WHITE
SENSOR 5
S1 GND +5
SPARE
RELAY M-8
C3
HOT GAS SOLENOID
HGS 2
BLACK
SHIELD
SENSOR 4
S1 GND +5
WHITE
GND
SI
SENSOR 9
DIGITAL ANALOG
9
5B
LIQUID SOLENOID
LLS 2
SPARE2-4
SENSOR 2-4
MTR MOD 2
SENSOR 2-3
SENSOR 3
S1 GND +5
BLACK & +5
SHIELD
NCCom NO
WHITE
RELAY M-7
16A
TBA13
13A
TBA12
CKT2 Comp 2
CONTACTOR
C2
HOT GAS SOLENOID
HGS 1
LIQUID SOLENOID
LLS 1
SENSOR 2-2
SPARE2-2
Y1
U
+
-
SENSOR 2
S1 GND +5
AMPS COMP 2
(CT 2)
GND
SI
SENSOR 8
DIGITAL ANALOG
16
3A
8A
TBA11
7A
TBA10
SENSOR 2-1
SPARE2-1
TBC-3
TBC-2
TBC-1
RED
1
DA T E
WHITE
3C
BLACK
SHIELD
WHITE
BLACK
SHIELD
WHITE
EXPANSION BOARD INTERFACE
TO AO1
(OPTIONAL)
24 VAC
TR3
120 VAC
TBA-4 WHITE
TBA-2
3B
FU3
WHITE
SENSOR 1
S1 GND +5
SENSOR M-9
CKT 2 DIS PSI
+5
24
RED
BLACK & SHIELD
HGS 2
RELAY M-6
13
3A
NC Com NO
WHITE
DIGITAL ANALOG
GND
SI
SENSOR 7
LLS 2
RELAY M-5
12
11A
8
Com NO
SENSOR M-8
WHITE
+5
RED
BLACK & SHIELD
DIGITAL ANALOG
C2
NC
GND
SI
SENSOR 6
RELAY M-4
HGS 1
7
C1
TBA1
CKT1 Comp 1
CONTACTOR
3E
TBA2
DIGITAL
ANALOG
SENSOR M-7
+5
RELAY M-3
LLS 1
3A
LP2SW
3D
+5 GND SI +5 GND SI
SENSOR 11 SENSOR 12
WHITE
RELAY M-2
6
TBA9
10
LP1SW
RED
ON/OFF 2
COM
ALARM
TBA3
TBA2
3G
SPARE1-8
SENSOR 1-8
SPARE 1-7
SENSOR 1-7
SPARE 1-6
SENSOR 1-6
SPARE 1-5
SENSOR 1-5
SPARE 1-4
SENSOR 1-4
CORE TEMP
SENSOR 1-3
TRGT RST Opt
SENSOR 1-2
PWR MONITOROpt
SENSOR 1-1
FU4 FU5 FU6
L1 L2 L3
PWM
TR1
120 VAC
R E V I S I ON
FU2
FU1
COMPR
2
T2
C2
L2
12
T1
T3
MTR MOD 2
CKT 2
11
12
C1 AUX 1 CCH 1
CKT 1
T3
L3
N
L
3G
P.O. BOX 3066
LONGVIEW, TX
75606-3066
POWER IN
+12V GND ??
DRAWN BY:
S MH
BAR
CHECKED BY:
R80500012
DRAWING NUMBER
0
1 OF
1
REV.SHEET NO.
T3
B
DWG. SIZE
APP'D BY:
S MH
NAPPS JOB NO.
R410A CGWR CHILLERS
SCALE: 1.5"=12"
DATE: 08/30/13
POWER/CONTROL WIRING SCHEMATIC
40 - 65 TON WATER-COOLED CHILLERS
TITLE:
(OPTIONAL TOUCHSCREEN
POWER SOURCE)
V+ V-
ETHERNET
12
COMPRESSOR
MOTOR
COMPR
3
T2
L3
C3 AUX 3 CCH 3
11
T1
C3
L2
PANEL
GROUND
DISCONNECT
(OPTIONAL)
L1
L3 PDB1
DSW1
(OPTIONAL TOUCHSCREEN CONNECTIONS)
TBC-2
To Unit Controller
Ethernet Connection
or Ethernet Switch
TBC-1
COMPR
1
T2
C1
L2
L2
COMPRESSOR
MOTOR
L1
L1
L3
C2 AUX 2 CCH 2
11
COMPRESSOR
MOTOR
T1
L1
BLUE
BLACK &
SHIELD
RELAY M-1
11A
10A
HP2SW
11
TBA8
4
TBA6
3C
3
CONTROL PWR SWITCH
YELLOW
SENSOR M-6
NC
Com NO
GND
SI
SENSOR 5
DIGITAL ANALOG
NC
Com NO
BLACK &
SHIELD
+5
GND
SI
SENSOR 4
DIGITAL ANALOG
GND
SI
SENSOR 3
DIGITAL ANALOG
NC
Com NO
C1
Com NO
AMPS COMP 1
(CT 1)
WHITE
+5
RED
BLACK & SHIELD
DIGITAL ANALOG
GND
SI
SENSOR 2
A-4 A-3
A-2 A-1
ANALOG OUTS
KEYPAD LCD
5A
TBA7
5
4A
HP1SW
To SI Board
DIGITAL
ANALOG
SENSOR M-5
TBA24
WHITE
22
23
CKT 1 DIS PSI
OPTIONAL FIELD
21
+5 GND SI
SENSOR 10
SENSOR M-4
REM RUN/STOP
TBA23
+5 GND SI
SENSOR 9
+5
RED
BLACK & SHIELD
TBA22
DIGITAL
ANALOG
CKT 1 SUC PSI
FLOW-Field
DIGITAL
ANALOG
SENSOR M-3
SENSOR M-16
WHITE
BLACK/
+5
SENSOR M-15 TBA21
DI-16DI-15 DI-14 DI-13
DIGITAL INPUTS
GND
SI
SENSOR 1
gnd
BLACK
SHIELD
SENSOR M-14 SHIELD
gnd
+5
CMP1&3 ENABLE
+5
}
WHITE (TO TBC3)
SHIELD (TO TBC1)
+12V
GND
SCL
SDA
+485
-485
WHITE
BLACK
SHIELD
CMP2 ENABLE
+5
OPTIONAL
WRV
+5 +5
TO KEYPAD / DISPLAY
CW IN
F3
3
RED 3
WHITE
(OPTIONAL)
SENSOR M-2
7
6
TBA3
Bellimo WRV #1
SENSOR M-1
F2
2
4
To SI Board
(OPTIONAL)
CW OUT
5
Menu
8
F1
1
TO UNIT
CONTOLLER
KEYPAD/LCD
CONNECTOR
Figure 10.
}
+12v
Gnd
SCL
SDA
+485
-485
Electrical Schematics
Power/control wiring schematic for 40 to 65 ton, R-410A CGWR water-cooled chillers
120 VAC POWER IN
LINE NEUT GND
+
- GND
MCS I/O
NC
SENSOR M-13 WHITE
UNIT CONTROLLER
CG-SVX038A-EN
CG-SVX038A-EN
*
TBC
DSW1
*
PDB1
1
2
3
4
1
2
3
4
IMPORTANT
GND
THE INFORMATION CONTAINED HEREON,
WHICH IS THE PROPERTY OF
TRANE,
MUST BE MAINTAINED IN STRICT
CONFIDENCE AND NO PORTION OF
THIS MATERIAL MAY BE REPRODUCED
OR USED FOR ANY PURPOSE
WITHOUT THE EXPRESS WRITTEN CONSENT OF
TRANE.
TBC
WRV
C1
*
ENGINEER'S SEAL
C2
100-5563
600
600
VOLTS
FOR 208-230V UNITS
3 1/2
3 1/2
AMPS
#
BY DATE
FU1,2
FUSE
SCHEDULE
CC
CC
LITTELFUSE
KLDR3 /1 2
TRANSFORMER
SECONDARY
FU3
CLASS
FUSE TYPE
LITTELFUSE
KLDR3 1/2
LOCATION
TRANSFORMER
PRIMARY
FU1, FU2
TRANSFORMER FUSE SCHEDULE
CT2
DESIGNATION
CT1
1
TR1
2
SW
2
2
RELAY M-2
3
3
4
4
RELAY M-3
5
5
6
6
RELAY M-8
RELAY M-7
RELAY M-6
RELAY M-5
7
7
8
8
9
9
10
10
11
11
12 13
12 13
14
14
15
15
16
16
17
17
UNIT CONTROLLER
REVISION
FU3
1
1
RELAY M-4
RELAY M-1
FU4-6
1 - CPS On/Off
2 - CKT1 Enable
18
18
RELAY M-9
19
19
Voltage
20
20
115v
RELAY M-10
21
21
22
22
23
23
24
24
GROUND LUG
TERMINAL BLOCK
TBA
R 8 05 0002 0
DRAWING NUMBER
0
1 OF
1
REV.SHEET NO.
B
DWG. SIZE
BAR
P R ODUC T I ON
NAPPS JOB NO.
20-30TON WATER-COOLED CHILLER 208-230V
APP'D BY:
P.O. BOX 3066
LONGVIEW, TX
75606-3066
ITEMS MARKED WITH * ARE OPTIONAL
AND ARE NOT ON ALL UNITS
TOOGLE SWITCHES
SW
GND
TBC
SCROLL 410A
WATER-COOLED CHILLER
TBA
PWM CIRCUIT FUSES - KTK OR EQ
*
* 120/24 VAC TRANSFORMER FOR WRV
* TERMINAL BLOCK FOR WATER REGULATING VALVE
CURRENT TRANSFORMER MODULES
TR3
FU4,5,6
* COMMUNICATIONS MODULE
CT1-CT2
COM
UNIT CONTROLLER
208,240,480/120 VAC 250 VA TRANSFORMER
UC
TR1 SECONDARY CIRCUIT FUSE - KLDR OR EQ
POWER DISTRIBUTION BLOCK
PDB1
TR1 PRIMARY CIRCUIT FUSES - KLDR OR EQ
TR1
SCALE: 1:1
DRAWN BY: CHECKED BY:
SMH
DATE: 10/2/13
SMH
TITLE:
CONTROL PANEL LAYOUT
*
PWM
COM
*
UC
COMPRESSOR CONTACTORS
* DISCONNECT SWITCH
*
TR3
LEGEND *
DIGITAL POWER MONITOR
FU3
FU1, FU2
DSW1
C1-C2
PWM
Figure 11.
TBA
TR3
*
Electrical Schematics
Control panel layout for 20 to 30 ton, 208V, R-410A CGWR water-cooled chillers
43
*
TBC
DSW1
*
WRV
2
3
4
1
2
3
4
IMPORTANT
GND
C1
CC
CC
CLASS
3 1/2
1 1/2
100-5564
600
600
VOLTS
FOR 460V UNITS
AMPS
#
BY
DA T E
FU1,2
FUSE
SCHEDULE
TRANSFORMER
SECONDARY
FU3
E NGI NE E R ' S S E A L
C2
FUSE TYPE
LITTELFUSE
KLDR1 1/2
LITTELFUSE
KLDR3 /1 2
LOCATION
TRANSFORMER
PRIMARY
FU1, FU2
1
TR3
*
2
TR1
3A
THE INFORMATION CONTAINED HEREON,
WHICH IS THE PROPERTY OF
TRANE,
MUST BE MAINTAINED IN STRICT
CONFIDENCE AND NO PORTION OF
THIS MATERIAL MAY BE REPRODUCED
OR USED FOR ANY PURPOSE
WITHOUT THE EXPRESS WRITTEN CONSENT OF
TRANE.
1
DESIGNATION
TRANSFORMER FUSE SCHEDULE
CT2
SW
2
2
RELAY M-2
3
3
4
4
5
5
6
6
RELAY M-8
RELAY M-7
RELAY M-6
RELAY M-5
7
7
8
8
9
9
10
10
11
11
12 13
12 13
14
14
15
15
16
16
17
17
UNIT CONTROLLER
R E V I S I ON
FU3
1
1
1 - CPS On/Off
2 - CKT1 Enable
RELAY M-1
TBA
PDB1
*
CT1
RELAY M-3
44
RELAY M-4
FU4-6
18
18
RELAY M-9
19
19
Voltage
20
20
115v
RELAY M-10
21
21
22
22
23
23
24
24
UNIT CONTROLLER
CURRENT TRANSFORMER MODULES
* COMMUNICATIONS MODULE
GROUND LUG
TERMINAL BLOCK
TBA
R 8 05 0002 1
DRAWING NUMBER
0
1 OF
1
REV.SHEET NO.
P R ODUC T I ON
NAPPS JOB NO.
B
DWG. SIZE
BAR
APP'D BY:
P.O. BOX 3066
LONGVIEW, TX
75606-3066
ITEMS MARKED WITH * ARE OPTIONAL
AND ARE NOT ON ALL UNITS
TOOGLE SWITCH
SW
GND
FU4,5,6
TR3
* 120/24 VAC TRANSFORMER FOR WRV
* PWM CIRCUIT FUSES - KTK OR EQ
TBC
* TERMINAL BLOCK FOR WATER REGULATING VALVE
CT1-CT2
COM
UC
TR1 SECONDARY CIRCUIT FUSE - KLDR OR EQ
POWER DISTRIBUTION BLOCK
PDB1
TR1 PRIMARY CIRCUIT FUSES - KLDR OR EQ
208,240,480/120 VAC 250 VA TRANSFORMER
TR1
CGWR SCROLL 410A
WATER-COOLED CHILLER
TBA
COMPRESSOR CONTACTORS
* DISCONNECT SWITCH
SCALE: NA
DRAWN BY: CHECKED BY:
SMH
DATE: 8/11/17
SMH
CONTROL
PANEL
LAYOUT
TITLE:
20 - 30 TON WATER-COOLED CHILLER 460V
*
PWM
COM
*
UC
LEGEND
* DIGITAL POWER MONITOR
FU3
FU1, FU2
DSW1
C1-C2
PWM
Electrical Schematics
Figure 12. Control panel layout for 20 to 30 ton, 460V, R-410A CGWR water-cooled chillers
CG-SVX038A-EN
CG-SVX038A-EN
*
TBC
DSW1
*
1
2
3
4
1
2
3
4
IMPORTANT
GND
THE INFORMATION CONTAINED HEREON,
WHICH IS THE PROPERTY OF
TRANE,
MUST BE MAINTAINED IN STRICT
CONFIDENCE AND NO PORTION OF
THIS MATERIAL MAY BE REPRODUCED
OR USED FOR ANY PURPOSE
WITHOUT THE EXPRESS WRITTEN CONSENT OF
TRANE.
TBC
WRV
C1
FU3
E NGI NE E R ' S S E A L
C2
CC
FU1, FU2
3 1/2
1 1/4
100-5564A
600
600
VOLTS
FOR 575V UNITS
AMPS
#
BY
1
TR3
*
DA T E
FU1,2
FUSE
SCHEDULE
CC
CLASS
FUSE TYPE
LITTELFUSE
KLDR1 1/4
LITTELFUSE
KLDR3 /1 2
LOCATION
TRANSFORMER
PRIMARY
TRANSFORMER
SECONDARY
DESIGNATION
TRANSFORMER FUSE SCHEDULE
CT2
TR1
2
SW
2
2
RELAY M-2
3
3
4
4
RELAY M-3
5
5
6
6
RELAY M-8
RELAY M-7
RELAY M-6
RELAY M-5
7
7
8
8
9
9
10
10
11
11
12 13
12 13
14
14
15
15
16
16
17
17
UNIT CONTROLLER
R E V I S I ON
FU3
1
1
1 - CPS On/Off
2 - CKT1 Enable
RELAY M-1
TBA
PDB1
*
CT1
RELAY M-4
FU4-6
18
18
RELAY M-9
19
19
Voltage
20
20
115v
RELAY M-10
21
21
22
22
23
23
24
24
COM
CURRENT TRANSFORMER MODULES
* COMMUNICATIONS MODULE
GROUND LUG
TERMINAL BLOCK
TBA
P.O. BOX 3066
LONGVIEW, TX
75606-3066
R 8 05 0002 2
DRAWING NUMBER
0
1 OF
1
REV.SHEET NO.
P R ODUC T I ON
NAPPS JOB NO.
B
DWG. SIZE
APP'D BY:
ITEMS MARKED WITH * ARE OPTIONAL
AND ARE NOT ON ALL UNITS
TOOGLE SWITCH
SW
GND
TR3
* 120/24 VAC TRANSFORMER FOR WRV
FU4,5,6 * PWM CIRCUIT FUSES - KTK OR EQ
TBC *
TERMINAL BLOCK FOR WATER REGULATING VALVE
CT1-CT2
UNIT CONTROLLER
600 VAC 250 VA TRANSFORMER
UC
POWER DISTRIBUTION BLOCK
TR1
TR1 SECONDARY CIRCUIT FUSE - KLDR OR EQ
TR1 PRIMARY CIRCUIT FUSES - KLDR OR EQ
PDB1
FU3
* DISCONNECT SWITCH
SCROLL 410A
WATER-COOLED CHILLER
TBA
DSW1
FU1, FU2
LEGEND
COMPRESSOR CONTACTORS
* DIGITAL POWER MONITOR
SCALE: 1:1
DRAWN BY: CHECKED BY:
DATE: 10/25/2011
PMK
TITLE: CONTROL PANEL LAYOUT
20-30 TON WATER-COOLED CHILLER 575V
*
PWM
COM
*
UC
PWM
C1-C2
Electrical Schematics
Figure 13. Control panel layout for 20 to 30 ton, 575V, R-410A CGWR water-cooled chillers
45
*
TBC
DSW1
*
TBC
WRV
PDB1
1
2
3
4
1
2
3
4
IMPORTANT
C1
THE INFORMATION CONTAINED HEREON,
WHICH IS THE PROPERTY OF
TRANE,
MUST BE MAINTAINED IN STRICT
CONFIDENCE AND NO PORTION OF
THIS MATERIAL MAY BE REPRODUCED
OR USED FOR ANY PURPOSE
WITHOUT THE EXPRESS WRITTEN CONSENT OF
TRANE.
GND
*
C2
E NGI NE E R ' S S E A L
C3
CT1
#
BY
FUSE
SCHEDULE
CC
LITTELFUSE
KLDR3 /1 2
TRANSFORMER
SECONDARY
FU3
10 0 - 5 5 6 3
3 1/2
600
600
CT2
DA T E
VOLTS
F O R 2 0 8 - 2 3 0 V U NITS
3 1/2
AMPS
TR3
*
CC
FU1, FU2
CLASS
FUSE TYPE
LITTELFUSE
KLDR3 1/2
LOCATION
TRANSFORMER
PRIMARY
DESIGNATION
TRANSFORMER FUSE SCHEDULE
CT3
FU1,2
PWM
*
TR1
1
2
TBA
1
1
2
2
R E V I S I ON
FU3
3
3
3
4
4
5
5
6
6
7
7
COM
*
RELAY M-2
FU4-6
8
8
RELAY M-3
RELAY M-1
46
9
9
10
10
RELAY M-4
1 - CPS On/Off
SW 2 - CKT1 Enable
3 - CKT2 Enable
RELAY M-8
RELAY M-7
RELAY M-6
RELAY M-5
11
11
12 13
12 13
14
14
15
15
16
16
17
17
18
18
19
19
UNIT CONTROLLER
20
20
RELAY M-9
21
21
Voltage
22
22
RELAY M-10
115v
24
24
EXPANSION BOARD SI 16-A04
EXP1
L I MI T R ON K T K 1
1
3 1/2
3 1/2
AMPS
P.O. BOX 3066
LONGVIEW, TX
75606-3066
CC
CC
CLASS
SCROLL 410A
WATER-COOLED CHILLER
DIGITAL POWER
MONITOR *
SECONDARY
TRANSFORMER
FU3
FUSE TYPE
LITTELFUSE
1
KLDR3 2
LITTELFUSE
1
KLDR3 2
FOR 208-230V UNITS
1. ITEMS MARKED WITH * ARE OPTIONAL
AND ARE NOT ON ALL UNITS.
FUSE SCHEDULE
LOCATION
GROUND LUG
NOTES:
GND
FU4,5,6
B
6 00
600
600
VOLTS
* TERMINAL BLOCK FOR WATER REGULATING VALVE
* PWM CIRCUIT FUSES - KTK OR EQ
TERMINAL BLOCK
TBC
TOGGLE SWITCHES
SW
TBA
PRIMARY
TRANSFORMER
FU4, FU5, FU6 *
CURRENT TRANSFORMER MODULES
COMMUNICATIONS MODULE
120/24 VAC TRANSFORMER FOR WRV
DIGITAL POWER MONITOR
TR3
*
PWM *
CT1-CT3
FU1, FU2
DESIGNATION
TBA
EXP1
POWER DISTRIBUTION BLOCK
COM
UNIT CONTROLLER
208,240,480/120 VAC 250 VA TRANSFORMER
PDB1
UC
TR1 SECONDARY CIRCUIT FUSE - KLDR OR EQ
TR1
TR1 PRIMARY CIRCUIT FUSES - KLDR OR EQ
DISCONNECT SWITCH
FU3
*
LEGEND
COMPRESSOR CONTACTORS
R 8 05 0002 3
DRAWING NUMBER
0
1 OF
1
REV.SHEET NO.
P R ODUC T I ON
NAPPS JOB NO.
APP'D BY:
SCALE: 1:1
DRAWN BY: CHECKED BY:
DATE: 9/26/13
SMH
SMH
BAR
DWG. SIZE
TITLE: CONTROL PANEL LAYOUT 208/230V
40 - 65 TON WATER-COOLED CHILLER
23
23
230V
UC
*
FU1, FU2
DSW1
C1-C3
Electrical Schematics
Figure 14. Control panel layout for 40 to 65 ton, 208V, R-410A CGWR water-cooled chillers
CG-SVX038A-EN
*
TBC
WRV
1
2
3
4
1
2
3
4
IMPORTANT
THE INFORMATION CONTAINED HEREON,
WHICH IS THE PROPERTY OF
TRANE,
MUST BE MAINTAINED IN STRICT
CONFIDENCE AND NO PORTION OF
THIS MATERIAL MAY BE REPRODUCED
OR USED FOR ANY PURPOSE
WITHOUT THE EXPRESS WRITTEN CONSENT OF
TRANE.
GND
*
FU4-6
C1
C2
ENGINEER'S SEAL
C3
CC
CC
FU1, FU2
FU3
#
BY
3 1/ 2
1 1/2
10 0 - 5 5 6 4
600
600
VOLTS
F O R 4 6 0 V U NITS
AMPS
DATE
TR3
*
CLASS
FUSE TYPE
LITTELFUSE
KLDR1 1/2
LITTELFUSE
KLDR3 /1 2
LOCATION
TRANSFORMER
PRIMARY
TRANSFORMER
SECONDARY
DESIGNATION
TRANSFORMER FUSE SCHEDULE
CT3
FUSE
SCHEDULE
CT1
FU1,2
PWM
*
TR1
1
2
TBA
1
1
2
2
3
3
REVISION
FU3
3
4
4
5
5
6
6
7
7
COM
*
RELAY M-2
CT2
8
8
RELAY M-3
CG-SVX038A-EN
TBC
DSW1
*
PDB1
9
9
10
10
RELAY M-4
RELAY M-1
1 - CPS On/Off
SW 2 - CKT1 Enable
3 - CKT2 Enable
RELAY M-8
RELAY M-7
RELAY M-6
RELAY M-5
11
11
12 13
12 13
14
14
15
15
16
16
17
17
18
18
19
19
UNIT CONTROLLER
20
20
RELAY M-9
21
21
Voltage
22
22
RELAY M-10
24
24
CURRENT TRANSFORMER MODULES
COMMUNICATIONS MODULE
TBC
LITTELFUSE
1
KLDR3 2
L I MI T R ON K T K 1
SECONDARY
TRANSFORMER
DIGITAL POWER
MONITOR *
LITTELFUSE KLDR1
FUSE TYPE
FUSE SCHEDULE
PRIMARY
TRANSFORMER
LOCATION
CC
CC
CLASS
1
3 1/2
1 1/2
AMPS
FOR 460V UNITS
6 00
600
600
VOLTS
B
DWG. SIZE
APP'D BY:
BAR
P.O. BOX 3066
LONGVIEW, TX
75606-3066
2
1
1. ITEMS MARKED WITH * ARE OPTIONAL
AND ARE NOT ON ALL UNITS.
GROUND LUG
* PWM CIRCUIT FUSES - KTK OR EQ
NOTES:
GND
FU4,5,6
TERMINAL BLOCK FOR WATER REGULATING VALVE
TERMINAL BLOCK
SW
TBA
*
EXPANSION BOARD SI 16-A04
TOGGLE SWITCHES
EXP1
TR3
* 120/24 VAC TRANSFORMER FOR WRV
PWM * DIGITAL POWER MONITOR
CT1-CT3
CGWR SCROLL 410A
WATER-COOLED CHILLER
FU4, FU5, FU6 *
FU3
FU1, FU2
DESIGNATION
TBA
EXP1
POWER DISTRIBUTION BLOCK
COM
UNIT CONTROLLER
208,240,480/120 VAC 250 VA TRANSFORMER
PDB1
UC
TR1 SECONDARY CIRCUIT FUSE - KLDR OR EQ
TR1
TR1 PRIMARY CIRCUIT FUSES - KLDR OR EQ
DISCONNECT SWITCH
FU3
*
LEGEND
COMPRESSOR CONTACTORS
SCALE: 1:1
DRAWN BY: CHECKED BY:
DATE: 9/27/13
SMH
SMH
TITLE: CONTROL PANEL LAYOUT
115v
R 8 05 0002 4
0
1 OF
1
P R ODUC T I ON
40-65 TON WATER-COOLED CHILLER 460V
DRAWING NUMBER
REV.SHEET NO.
NAPPS JOB NO.
23
23
230V
UC
*
FU1, FU2
DSW1
C1-C3
Electrical Schematics
Figure 15. Control panel layout for 40 to 65 ton, 460V, R-410A CGWR water-cooled chillers
47
*
TBC
DSW1
*
TBC
WRV
PDB1
1
2
3
4
1
2
3
4
IMPORTANT
THE INFORMATION CONTAINED HEREON,
WHICH IS THE PROPERTY OF
TRANE,
MUST BE MAINTAINED IN STRICT
CONFIDENCE AND NO PORTION OF
THIS MATERIAL MAY BE REPRODUCED
OR USED FOR ANY PURPOSE
WITHOUT THE EXPRESS WRITTEN CONSENT OF
TRANE.
GND
*
FU4-6
C1
C2
E NGI NE E R ' S S E A L
C3
FUSE TYPE
LITTELFUSE
KLDR1 1/4
LITTELFUSE
KLDR3 /1 2
LOCATION
TRANSFORMER
PRIMARY
TRANSFORMER
SECONDARY
DESIGNATION
FU1, FU2
FU3
TRANSFORMER FUSE SCHEDULE
#
BY
3 1/ 2
1 1/4
10 0 - 5 5 6 4
600
600
FU1,2
PWM
*
TR1
1
2
TBA
R E V I S I ON
FU3
3
1
1
2
2
3
3
4
4
5
5
6
6
7
7
COM
*
RELAY M-2
CT2
DA T E
VOLTS
F O R 4 6 0 V U NITS
AMPS
TR3
*
CC
CC
CLASS
CT3
FUSE
SCHEDULE
CT1
8
8
RELAY M-3
RELAY M-1
48
9
9
10
10
RELAY M-4
1 - CPS On/Off
SW 2 - CKT1 Enable
3 - CKT2 Enable
RELAY M-8
RELAY M-7
RELAY M-6
RELAY M-5
11
11
12 13
12 13
14
14
15
15
16
16
17
17
18
18
19
19
UNIT CONTROLLER
20
20
RELAY M-9
21
21
Voltage
22
22
RELAY M-10
115v
24
24
DIGITAL POWER MONITOR
EXPANSION BOARD SI 16-A04
EXP1
TOGGLE SWITCHES
TERMINAL BLOCK
GND
TBC
P.O. BOX 3066
LONGVIEW, TX
75606-3066
1. ITEMS MARKED WITH * ARE OPTIONAL
AND ARE NOT ON ALL UNITS.
NOTES:
GROUND LUG
B
* TERMINAL BLOCK FOR WATER REGULATING VALVE
FU4,5,6 * PWM CIRCUIT FUSES - KTK OR EQ
SW
TBA
120/24 VAC TRANSFORMER FOR WRV
CURRENT TRANSFORMER MODULES
COMMUNICATIONS MODULE
TR3
*
PWM *
CT1-CT3
UNIT CONTROLLER
POWER DISTRIBUTION BLOCK
PDB1
COM *
600 VAC 250 VA TRANSFORMER
TR1
UC
TR1 SECONDARY CIRCUIT FUSE - KLDR OR EQ
FU3
TR1 PRIMARY CIRCUIT FUSES - KLDR OR EQ
DISCONNECT SWITCH
SCROLL 410A
WATER-COOLED CHILLER
TBA
EXP1
LEGEND
COMPRESSOR CONTACTORS
R 8 05 0002 5
0
1 OF
1
P R ODUC T I ON
APP'D BY:
SCALE: 1:1
DRAWN BY: CHECKED BY:
DATE: 9/27/13
SMH
SMH
BAR
DWG. SIZE
TITLE: CONTROL PANEL LAYOUT
40-65 TON WATER-COOLED CHILLER 575V
DRAWING NUMBER
REV.SHEET NO.
NAPPS JOB NO.
23
23
230V
UC
*
FU1, FU2
DSW1
C1-C3
Electrical Schematics
Figure 16. Control panel layout for 40 to 65 ton, 575V, R-410A CGWR water-cooled chillers
CG-SVX038A-EN
Electrical Schematics
CCAR Compressor Chillers
CCAR Field Wiring
Figure 17.
Field wiring diagram for 20 to 30 ton, R-410A CCAR compressor chillers
Control Panel Representation
L1
L2
L3
PDB1
A-1
GND
A-2
UNIT CONTROLLER
A-1
GND
A-2
6
Optional:
Disconnect
(Factory Installed)
PANEL
GROUND
Optional:
Damper Control
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19
20 21 22 23 24
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19
20 21 22
TBA
DSW1
23 24
Condensing Unit Control Power
4
Condensing Unit Fan 1
Condensing Unit Fan 2
WARNING
Hazardous voltage!
Disconnect all electrical power
including remote disconnects before
servicing unit. Follow proper lockout/
tagout procedures to ensure power
cannot be inadvertently energized.
Failure to do so c an cause death or
serious injury.
Condensing Unit Fan 3
Optional : Alarm Dry
Contacts
5
REQUIRED: Flow Switch (flow
proving device)
Optional: Remote Run/Stop
Interface
Notes:
CAUTION
Use copper conductors only!
Unit terminals are not designed to
accept other type conductors. Failure
to use copper conductors may cause
equipment damage.
1.
2.
3.
4
4.
5
5.
CAUTION
Do not energize the unit until checkout and start-up procedures have
been completed.
6.
6
7.
All three-phase motors supplied with the unit are protected under
primary single-phase failure conditions.
All customer control-circuit wiring must have a minimum rating of
150V.
All field wiring must be in accordance with applicable local codes.
Line voltage options. Single or dual source power may be speci fied.
Drawing covers single source power only. All field wiring must be in
accordance with National Electric Code and State & Local
requirements.
(Required) Factory supplied or approved alternate field installed flow
proving device connection.
(Optional) Damper control option. Refer to operation and
maintenance manual for additional information. This point intended to
operate a low ambient damper on a remote air-cooled condenser.
Wiring to be 2-wire shielded cable between outdoor unit and Trane
indoor chiller.
If installing with a Trane CAUJ air-cooled condenser, more specific
field wiring instructions can be found in the operations and
maintenance manual.
NAME
DATE
DRAWN
SMH
3/22/17
CHECKED
BAR
3/22/17
ENG APPR.
MFG APPR.
Q.A.
COMMENTS:
CCAR 20-30 Ton
Field Wiring
Diagram
SIZE DWG. NO.
REV.
A Field Wiring Single Circuit CCAR 0
SCALE:1:5
CG-SVX038A-EN
WEIGHT:
SHEET 1 OF 1
49
Electrical Schematics
Figure 18. Field wiring diagram for 40 to 65 ton, R-410A CCAR compressor chillers
Control Panel Representation
L1
L2
L3
PDB1
A-1
GND
A-2
UNIT CONTROLLER
A-1
GND
A-2
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
4
Optional:
Damper Control
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19
20 21 22 23 24
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19
20 21 22
TBA
PANEL
GROUND
6
Optional:
Disconnect
(Factory Installed)
TBD
DSW1
23 24
Circuit 2 Fan 3
Circuit 2 Fan 2
Circuit 2 Fan 1
Optional: Alarm Dry
Contacts
Circuit 1 Fan 3
Circuit 1 Fan 2
5
Circuit 1 Fan 1
Condensing Unit Control Power
WARNING
Hazardous voltage!
Disconnect all electrical power
including remote disconnects before
servicing unit. Follow proper lockout/
tagout procedures to ensure power
cannot be inadvertently energized.
Failure to do so can cause death or
serious injury.
CAUTION
Use copper conductors only!
Unit terminals are not designed to
accept other type conductors. Failure
to use copper conductors may cause
equipment damage.
CAUTION
Do not energize the unit until checkout and start-up procedures have
been completed.
REQUIRED: Flow Switch (flow
proving device)
Optional: Remote Run/Stop
Interface
Notes:
1.
2.
3.
4.
4
5.
5
6.
6
7.
All three-phase motors supplied with the unit are protected under
primary single-phase failure conditions.
All customer control-circuit wiring must have a minimum rating of
150V.
All field wiring must be in accordance with applicable local codes.
Line voltage options. Single or dual source power may be specified.
Drawing covers single source power only. All field wiring must be in
accordance with National Electric Code and State & Local
requirements.
(Required) Factory supplied or appr oved alternate field installed flow
proving device connection.
(Optional) Damper control option. Refer to operation and
maintenance manual for additional information. This point intended to
operate low ambient dampers on a remote air-cooled condenser, (1)
damper per AO. Wiring to be 2-wire shielded cable between outdoor
unit and Trane indoor chiller.
If installing with a Trane CAUJ air-cooled condenser, more specific
field wiring instructions can be found in the operations and
maintenance manual.
NAME
DATE
DRAWN
SMH
3/23/17
CHECKED
BAR
3/23/17
CCAR 40-65 Ton
Field Wiring
Diagram
ENG APPR.
MFG APPR.
Q.A.
COMMENTS:
REV.
SIZE DWG. NO.
A
Dual Circuit CCAR Field Wiring
SCALE:1:5
50
WEIGHT:
0
SHEET 1 OF 1
CG-SVX038A-EN
5
Menu
8
F1
1
F2
2
6
F3
3
CG-SVX038A-EN
(Shield tied at this end)
MCS IORS485 +12V
Termination
+ - GND
DIGITAL ANALOG
GND SI
SENSOR 12
ETHERNET
+5
UNIT CONTROLLER
To Optional Exp Board
Comm to SI16 or eq
WHITE
BLACK
SHIELD
DIGITAL ANALOG
GND SI
SENSOR 11
115v
Voltage
ALARM
RELAY M-10
Com NO
NC
To Customer Interface or
Communications Board or
Optional Touchscreen
CORE TEMP
SENSOR M-12
+5
18
GND
N
L/L1
20
19
TBA19
TBA20
3
IMPORTANT
WHITE
Comp 2
CONTACTOR
C2
TBA5
TBA4
TBA3
THE INFORMATION CONTAINED HEREON,
WHICH IS THE PROPERTY OF
TRANE,
MUST BE MAINTAINED IN STRICT
CONFIDENCE AND NO PORTION OF
THIS MATERIAL MAY BE REPRODUCED
OR USED FOR ANY PURPOSE
WITHOUT THE EXPRESS WRITTEN CONSENT OF
TRANE.
TBA18
TBA17
17
15B
TBA16
15A
TBA15
Com NO
WHITE
FAN 3
RELAY M-9
FAN 2
RELAY M-8
FAN 1
Comp 1
CONTACTOR
C1
TBA1
TBA2
HOT GAS SOLENOID
HGS 1
16
9
5B
3A
8A
3D
LIQUID SOLENOID
LLS 1
15
NC
DIGITAL ANALOG
GND SI
SENSOR 10
DIGITAL ANALOG
GND SI
SENSOR 9
DIGITAL ANALOG
RELAY M-7
C2
RELAY M-6
SPARE
RELAY M-5
SPARE
8
TBA11
7A
TBA10
LP1SW
3A
4
NC
Com NO
+5
+5
GND SI
SENSOR 8
DIGITAL ANALOG
GND SI
SENSOR 7
DIGITAL ANALOG
RELAY M-4
HGS 1
7
6
5A
TBA7
5
TBA6
4A
HP1SW
NC
Com NO
BLACK
SHIELD
24
+5
+5
DIGITAL ANALOG
GND SI
SENSOR 6
RELAY M-3
LLS 1
NC
Com NO
CKT 1 SUC TMP
WHITE
BLACK &
SHIELD
+5
GND SI
SENSOR 5
RELAY M-2
Com NO
SENSOR M-11
AMPS COMP 2
(CT 2)
WHITE
+5
RELAY M-1
NC
SENSOR M-6
WHITE
NC
Com NO
BLACK &
SHIELD
DIGITAL ANALOG
GND SI
SENSOR 4
DIGITAL ANALOG
NC
Com NO
C1
NC
Com NO
AMPS COMP 1
(CT 1)
+5
RED
BLACK & SHIELD
GND SI
SENSOR 3
DIGITAL ANALOG
GND SI
SENSOR 2
DIGITAL ANALOG
KEYPAD LCD
Com NO
SENSOR M-5
TBA24
WHITE
22
23
CKT 1 DIS PSI
OPTIONAL FIELD
TBA23
SENSOR M-4
REM RUN/STOP
21
CKT 1 SUC PSI
TBA22
+5
RED
BLACK & SHIELD
FLOW-Field
WHITE
BLACK/
SENSOR M-3
PWR MONITOR
+5
OPT PWM
BLACK
SHIELD
gnd
DI-16DI-15 DI-14 DI-13 A-4 A-3 A-2 A-1
DIGITAL INPUTS
ANALOG OUTS
GND SI
SENSOR 1
SENSOR M-13 WHITE
CW OUT
SENSOR M-16
gnd
SENSOR M-2
CMP1&2 ENABLE
+5
SENSOR M-14 SHIELD
+5
SHIELD
+5
SENSOR M-15 TBA21
+5 +5
OPTIONAL
DAMPER CONTROL
+12V
GND
SCL
SDA
+485
-485
WHITE
BLACK
SHIELD
TO UNIT
CONTOLLER
KEYPAD/LCD
CONNECTOR
TO KEYPAD / DISPLAY
CW IN
SENSOR M-1
7
4
+12v
Gnd
SCL
SDA
+485
-485
3
3G
3
3G
RED
1
N
ETHERNET
L
BY
DA T E
(OPTIONAL TOUCHSCREEN
POWER SOURCE)
#
120 VAC
TR1
POWER IN
+12V GND ??
L1 L2 L3
PWM
FU2
FU1
R E V I S I ON
FU4 FU5 FU6
(OPTIONAL TOUCHSCREEN CONNECTIONS)
FU3
V+ V-
2
To Unit Controller
Ethernet Connection
or Ethernet Switch
E NGI NE E R ' S S E A L
GND
RED
WHITE
2
T2
L2
C2
12
CCH 1
12
DRAWN BY:
S MH
BAR
CHECKED BY:
1 OF
1
REV.SHEET NO.
R80500013 0
DRAWING NUMBER
NAPPS JOB NO.
B
DWG. SIZE
APP'D BY:
S MH
R410 CCAR COMPRESSOR CHILLERS
SCALE:
DATE: 08/03/17
T3
L3
CCH 2
P.O. BOX 3066
LONGVIEW, TX
75606-3066
C2 AUX 2
POWER/CONTROL WIRING SCHEMATIC
20 - 30 TON COMPRESSOR CHILLER
TITLE:
11
T1
L1
PANEL
GROUND
COMPRESSOR
MOTOR
PDB1
COMPRESSOR
MOTOR
1
T3
L3
L3
COMPR
C1 AUX 1
11
C1
T2
L2
L2
DISCONNECT
(OPTIONAL)
COMPR
T1
L1
L1
DSW1
Electrical Schematics
CCAR Power/Control Wiring
Refer to name plate on control box door (inside) for
electrical data and wiring diagram.
Figure 19. Power/control wiring schematic for 20 to 30 ton, R-410A CCAR compressor chillers
(OPTIONAL)
NC
51
WHITE
(CT 3)
CKT 2 SUC PSI
F1
Menu
8
5
F2
2
7
4
6
F3
3
- GND
MCS IORS485 +12V
+
Termination
DIGITAL ANALOG
GND
SI
SENSOR 12
ETHERNET
+5
DIGITAL ANALOG
GND
SI
SENSOR 11
DIGITAL ANALOG
115v
Voltage
RELAY M-2
RELAY M-3
RELAY M-4
ALARM
RELAY M-10
SPARE
RELAY M-9
SPARE
RELAY M-8
C3
RELAY M-7
HGS 2
RELAY M-6
LLS 2
RELAY M-5
C2
HGS 1
LLS 1
C1
RELAY M-1
GND
N
L/L1
20
19
18
17
9
5B
16
13
12
11B
8
7
6
5A
TBA7
TBA20
TBA19
TBA18
3A
TBA9
4
16A
TBA13
13A
TBA12
8A
TBA11
3A
10
3D
C1
TBA1
CKT 1 Comp 1
CONTACTOR
3E
TBA2
3
WHITE
CKT1 Comp 3
CONTACTOR
C3
HOT GAS SOLENOID
HGS 2
LIQUID SOLENOID
LLS 2
CKT2 Comp 2
CONTACTOR
C2
HOT GAS SOLENOID
HGS 1
LIQUID SOLENOID
LLS 1
LP2SW
LP1SW
TBA6
TBA8
7A
TBA10
10A
HP2SW
11
TBA17
11A
5
4A
HP1SW
To SI Board 3C
3
TBA3
RED 3
WHITE
SPARE2-8
SENSOR 2-8
SPARE2-7
SENSOR 2-7
SPARE2-6
SENSOR 2-6
SPARE2-5
SENSOR 2-5
SPARE2-4
SENSOR 2-4
MTR MOD 2
SENSOR 2-3
SPARE2-2
SENSOR 2-2
SPARE2-1
SENSOR 2-1
WHITE
BLACK
WHITE
BLACK
SHIELD
3B
TBA1
THE INFORMATION CONTAINED HEREON,
WHICH IS THE PROPERTY OF
TRANE,
MUST BE MAINTAINED IN STRICT
CONFIDENCE AND NO PORTION OF
THIS MATERIAL MAY BE REPRODUCED
OR USED FOR ANY PURPOSE
WITHOUT THE EXPRESS WRITTEN CONSENT OF
TRANE.
IMPORTANT
TBA5
WHITE
1
+12v
Gnd
SCL
SDA
+485
-485
WHITE
BLACK
SHIELD
+5
DIGITAL ANALOG
GND
SI
SENSOR 10
A-4 A-3 A-2 A-1
ANALOG OUTS
NCCom NO
To Customer Interface or
Communications Board or
Optional Touchscreen
CKT 2 SUC TMP
SENSOR M-12
WHITE
BLACK
SHIELD
+5
GND
SI
SENSOR 9
DIGITAL ANALOG
GND
SI
SENSOR 8
DIGITAL ANALOG
GND
SI
SENSOR 7
DIGITAL ANALOG
GND
SI
SENSOR 6
DIGITAL ANALOG
GND
SI
SENSOR 5
DIGITAL ANALOG
GND
SI
SENSOR 4
DIGITAL ANALOG
GND
SI
SENSOR 3
DIGITAL ANALOG
GND
SI
SENSOR 2
DIGITAL ANALOG
}
}
KEYPAD LCD
Com NO
CKT 1 SUC TMP
SENSOR M-11
WHITE
BLACK & +5
SHIELD
WHITE
+5
+5
DI-16 DI-15 DI-14 DI-13
DIGITAL INPUTS
GND
SI
SENSOR 1
+5
NC
SPARE
SENSOR M-10
(CT 2)
AMPS COMP 2
SENSOR M-9
CKT 2 DIS PSI
WHITE
RED
BLACK & SHIELD
24
SENSOR M-8
+5
+5
+5
RED
BLACK & SHIELD
WHITE
BLACK &
SHIELD
(CT 1)
BLACK &
SHIELD
WHITE
+5
RED
BLACK & SHIELD
WHITE
AMPS COMP 3
SENSOR M-7
+5
+5
+5
RED
BLACK & SHIELD
WHITE
BLACK
SHIELD
WHITE
BLACK
SHIELD
SENSOR M-6
AMPS COMP 1
SENSOR M-5
CKT 1 DIS PSI
SENSOR M-4
CKT 1 SUC PSI
SENSOR M-3
CW OUT
SENSOR M-2
CW IN
SENSOR M-1
TBA24
+5 +5
22
23
NC
Com NO
ADDRESS
21
NC
Com NO
Termination
3
ADDRESS
ON/OFF 2
CONTROL PWR SWITCH
30
FU3
#
BLACK
SHIELD
WHITE
RED
1
BY
ALARM
TBA3
SPARE1-8
3G
SENSOR 1-8
WHITE
DA T E
TR3
11
12
RO10
28
TBD4
CKT1 FAN3
31
CKT2 FAN2
TBD7
To Unit Controller
Ethernet Connection
or Ethernet Switch
24 VAC
32
27
TBD3
CKT1 FAN2
R E V I S I ON
25
TBD1
CKT2 FAN3
TBD8
TBA-4 WHITE
120 VAC
MTR MOD 2
26
3
T2
C3
L2
11
12
C1 AUX 1 CCH 1
12
V+ V-
N
L
3G
POWER IN
+12V GND ??
P.O. BOX 3066
LONGVIEW,TX
75606-3066
(OPTIONAL TOUCHSCREEN
POWER SOURCE)
ETHERNET
DRAWN BY:
S MH
BAR
CHECKED BY:
1 OF
1
REV.SHEET NO.
R80500014 0
DRAWING NUMBER
NAPPS JOB NO.
B
DWG. SIZE
APP'D BY:
S MH
R410 CCAR COMPRESSOR CHILLERS
SCALE:
DATE: 07 / 2 7 / 17
T3
L3
C3 AUX 3 CCH 3
(OPTIONAL TOUCHSCREEN CONNECTIONS)
POWER/CONTROL WIRING SCHEMATIC
40 - 65 TON COMPRESSOR CHILLER
TITLE:
TBD2
CKT1 FAN1
11
T1
L1
COMPR
CKT 1
T3
L3
PANEL
GROUND
COMPRESSOR
MOTOR
1
T2
C1
L3 PDB1
DISCONNECT
(OPTIONAL)
COMPR
T1
T3
L2
L2
DSW1
COMPRESSOR
MOTOR
L1
L1
L3
CKT 2
RED 3H
COMPR
2
T2
C2
L2
COMPRESSOR
MOTOR
T1
L1
C2 AUX 2 CCH 2
TBA-2
(OPTIONAL)
FU2
FU1
SPARE 1-7
RO 8
SENSOR 1-7
SPARE 1-6
SENSOR 1-6
SPARE 1-5
SENSOR 1-5
SPARE 1-4
SENSOR 1-4
CORE TEMP
SENSOR 1-3
Optional
TRGT RST
SENSOR 1-2
Optional
PWR MONITOR
SENSOR 1-1
TBA2
COM
TR1
120 VAC
3C
BLACK
SHIELD
WHITE
WHITE
TRANSFORMER
TBD6
CKT2 FAN1
E NGI NE E R ' S S E A L
TRANSFORMER
OPTIONAL FIELD
TBA23
RO 10
TBA22
NC
Com NO
RO 5
FLOW-Field
Com NO
A3 GND A4
RO 3
BLACK/
NC
RO 7
SENSOR M-15 TBA21
NC
Com NO
ANALOG OUTPUTS
RO 2
CMP2 ENABLE
NC
Com NO
A1 GND A2
RO 6
SENSOR M-14 SHIELD
+5 GND SI +5 GND SI +5 GND SI +5 GND SI +5 GND SI +5 GND SI
SENSOR 11 SENSOR 12 SENSOR 13 SENSOR 14 SENSOR 15 SENSOR 16
LINE NEU
L1
L2GND
CMP1&3 ENABLE
NC
Com NO
DIGITAL
ANALOG
1
2
3
4
5
6
7
8
RO 1
EXPANSIONBOARDINTERFACE
115V
gnd
Com NO
DIGITAL
ANALOG
1
2
3
4
5
6
7
8
REM RUN/STOP
gnd
DIGITAL
ANALOG
+
- GND
MCS I/O
SENSOR M-16
SHIELD
DIGITAL
ANALOG
DIGITAL
ANALOG
Termination
OPTIONAL
DAMPER CONTROL
+12V
GND
SCL
SDA
+485
-485
DIGITAL
ANALOG
ANALOG
COM NO NC
+5 GND SI
SENSOR 10
DIGITAL
ANALOG
DIGITAL
COM NO NC
+5 GND SI
SENSOR 9
DIGITAL
ANALOG
DIGITAL
ANALOG
COM NO NC
DIGITAL
ANALOG
DIGITAL
ANALOG
NC NO COM
DIGITAL
ANALOG
DIGITAL
ANALOG
NC NO COM
TO KEYPAD / DISPLAY
DIGITAL
ANALOG
COM NO NC
DIGITAL
ANALOG
120 VAC POWER IN
LINE NEUT GND
COM NO NC
DIGITAL
ANALOG
SENSOR 5
SENSOR 6 SENSOR 7 SENSOR 8
SENSOR 4
SENSOR 3
SI GND +5SI GND +5 SI GND +5 SI GND +5 SI GND +5SI GND +5 +12 +12 +12
RO 9
L1 L2 L3
RO 4
FU4 FU5 FU6
NC NO COM
SENSOR 2
SI GND +5
BLUE
JUMPERS
PWM
NC NO COM
SENSOR 1
SI GND +5
YELLOW
NC NO COM
52
To SI Board
Electrical Schematics
Figure 20. Power/control wiring schematic for 40 to 65 ton, R-410A CCAR compressor chillers
+
- GND
MCS I/O
NC
SENSOR M-13 WHITE
UNIT CONTROLLER
TO UNIT CONTROLLER
KEYPAD LCD CONNECTOR
CG-SVX038A-EN
Electrical Schematics
Figure 21.
Power schematic, CAUJ condenser control circuit modification:
fan cycling control by CCAR compressor chillers
A
B
D
1TB2-1
1TB3-4
A
63
34
E
1TB3-5
64
C
E
C
A
E
1TB3-6
65
1TB3-9
76
1TB3-10
77
C 1TB3-11
78
F
CG-SVX038A-EN
G
53
Electrical Schematics
Figure 22. Instructions — CAUJ condenser control circuit modification:
fan cycling control by CCAR compressor chillers
Trane CAUJ Condenser Control Wiring Modification
Fan Cycling Control by Trane CCAR Compressor Chillers
FOR CONTROL OF 2 FAN CONDENSER:
COMPLETE
Initial/Date
Step
Reference
1
A
Connect 1TB2-1 to TBA 15 at Trane Chiller.
2
B
Remove wire 64E. Connect 1TB3-5 to TBA 16 at Trane Chiller. This is the first fan on and last fan off.
3
D
Remove wire 63A. Connect 1TB3-4 to TBA 17 at Trane Chiller. This is the second fan on and
first fan off. The installed pressure switch will not be used.
Instructions
Circle
FOR CONTROL OF 3 FAN CONDENSER:
Step
Reference
Circle
1
A
2
B
3
C
4
D
COMPLETE
Initial/Date
Instructions
Connect 1TB2-1 to TBA 15 at Trane Chiller.
Remove wire 64E. Connect 1TB3-5 to TBA 16 at Trane Chiller. This is the first fan on and last fan off.
Remove wire 65C and/or the jumper installed. Connect 1TB3-6 to TBA 17 at Trane Chiller.
Ambient t-stat will not be used. This is the second fan on and second fan off.
Remove wire 63A. Connect 1TB3-4 to TBA 18 at Trane Chiller. This is the last fan on and
first fan off. The installed pressure switch will not be used.
FOR CONTROL OF 4 FAN CONDENSER:
Step
Reference
Circle
COMPLETE
Initial/Date
Instructions
1
A
Connect 1TB2-1 to TBD 1 at Trane Chiller.
2
B
Remove wire 64E. Connect 1TB3-5 to TBD 2 at Trane Chiller. This is the first fan on and last fan off.
3
D
Remove wire 63A. Connect 1TB3-4 to TBD 3 at Trane Chiller. This is the last fan on and
first fan off. The installed pressure switch will not be used.
Remove wire 77E. Connect 1TB3-10 to TBD 6 at Trane Chiller.This is the first fan on and last fan off.
4
E
5
G
Remove wire 76A. Connect 1TB3-9 to TBD 7 at Trane Chiller. This is the last fan on and first fan off.
The installed pressure switch will not be used.
FOR CONTROL OF 6 FAN CONDENSER:
Step
Reference
Circle
1
A
2
B
3
C
4
D
5
E
6
F
7
G
COMPLETE
Initial/Date
Instructions
Connect 1TB2-1 to TBD 1 at Trane Chiller.
Remove wire 64E. Connect 1TB3-5 to TBD 2 at Trane Chiller. This is the first fan on and last fan off.
Remove wire 65C and/or the jumper installed. Connect 1TB3-6 to TBD 3 at Trane Chiller.
Ambient t-stat will not be used. This is the second fan on and second fan off.
Remove wire 63A. Connect 1TB3-4 to TBD 4 at Trane Chiller. This is the last fan on and
first fan off. The installed pressure switch will not be used.
Remove wire 77E. Connect 1TB3-10 to TBD 6 at Trane Chiller. This is the first fan on and last fan off.
Remove wire 78C and/or the jumper installed. Connect 1TB3-11 to TBD 7 at Trane Chiller.
Ambient t-stat will not be used. This is the second fan on and second fan off.
Remove wire 76A. Connect 1TB3-9 to TBD 8 at Trane Chiller. This is the last fan on and first fan off.
The installed pressure switch will not be used.
NOTES: All CCAR/CAUJ applications require that the CCAR Compressor Chiller control the condenser fan cycling.
For Fan Cycling Control - One control wire for each condenser fan plus a common must be run
from the CCAR Compressor Chiller to the CAUJ condenser.
CCAR units are designed for operation down to a minimum of 40°F ambient.
PROPRIETARY AND CONFIDENTIAL
THE INFORMATION CONTAINED IN THIS
DRAWING IS THE SOLE PROPERTY OF
TRANE. ANY REPRODUCTION IN PART
OR AS A WHOLE WITHOUT THE WRITTEN
PERMISSION OF TRANE IS PROHIBITED.
DIMENSIONS ARE IN INCHES
TOLERANCES:
FRACTIONAL
ANGULAR: MACH
BEND
TWO PLACE DECIMAL
THREE PLACE DECIMAL
MATERIAL
DATE
LAH
09/19/13
CHECKED
SMH
09/19/13
ENG APPR.
EGN
09/19/13
MFG APPR.
BAR
09/19/13
Q.A.
COMMENTS:
FINISH
P.O. BOX 3066
LONGVIEW, TX
75606-3066
CAUJ Condenser Control
Wiring Modification:
Fan Cycling Control by CCAR
Compressor Chillers
SIZE
DO NOT SCALE DRAWING
54
NAME
DRAWN
DWG. NO.
A
SCALE:1:1
REV.
R80500015B
JOB #:
SHEET 1 OF 1
CG-SVX038A-EN
Electrical Schematics
Figure 23. Low ambient damper schematic wiring and connections diagrams —
CAUJ condenser control circuit modification: low ambient damper control by CCAR compressor chillers
Low Ambient Schematic Wiring Diagram
A
B
2U83
(+) J2-4
(-) J2-3
P2-4 849A
P2-3 848A
A 2TB34-9
851
C
F 2TB34-10
839
Low Ambient Connections Diagram
2U83
A
J2
P2
851A
839F
B
C
F 10839
A 9 851
2TB34
3
CG-SVX038A-EN
55
Electrical Schematics
Figure 24. Instructions — CAUJ condenser control circuit modification: 
low ambient damper control by CCAR compressor chillers
Trane CAUJ Condenser Control Circuit Modification
Ambient Damper Control by Trane CCAR Compressor Chiller
FOR ONE DAMPER ASSEMBLY:
Step
COMPLETE
Initial/Date
Reference
Circle
Instructions
1
A
2
B
Disconnect plug 2U83P2 from the existing damper control board.
(Leave the remaining plugs connected to the board for grounding.)
Disconnect and tape wire 851A from 2TB34-9.
Connect 0-10VDC signal from Trane chiller
main board Analog Out (A-1) to 2TB34-9.
FOR TWO DAMPER ASSEMBLIES:
Step
COMPLETE
Initial/Date
Reference
Circle
Instructions
Disconnect plug 2U83P2 from the damper control box.
(Leave the remaining plugs connected to the board for grounding.)
1
A
2
B
Disconnect and tape wire 851A from 2TB34-9.
Connect 0-10VDC signal from Trane chiller
main board Analog Out (A-1) to 2TB34-9.
3
C
Disconnect and tape wire 839F at 2TB34-10.
Connect 0-10VDC signal from Trane chiller
main board Analog Out (A-2) to 2TB34-10
NOTES: All CCAR/CAUJ applications require that the CCAR Compressor Chiller control the condenser
ambient dampers (when applicable).
For Ambient Control Dampers when applicable - One shielded pair for each damper assembly
must be run from the CCAR Compressor Chiller to the CAUJ condenser.
CCAR units are designed for operation down to a minimum of 40°F ambient.
PROPRIETARY AND CONFIDENTIAL
THE INFORMATION CONTAINED IN THIS
DRAWING IS THE SOLE PROPERTY OF
TRANE. ANY REPRODUCTION IN PART OR
AS A WHOLE WITHOUT THE WRITTEN
PERMISSION OF TRANE IS
PROHIBITED.
DIMENSIONS ARE IN INCHES
TOLERANCES:
FRACTIONAL
ANGULAR: MACH
BEND
TWO PLACE DECIMAL
THREE PLACE DECIMAL
MATERIAL
NAME
DATE
LAH
09/19/13
CHECKED
SMH
09/19/13
ENG APPR.
EGN
09/19/13
MFG APPR.
BAR
09/19/13
Q.A.
COMMENTS:
P.O. BOX 3066
LONGVIEW, TX
75606-3066
Trane CAUJ Condenser Control
Circuit Modification:
Ambient Damper Control by Trane
CCAR Compressor Chiller
FINISH
SIZE
DO NOT SCALE DRAWING
56
DRAWN
DWG. NO.
A
SCALE:1:1
REV.
R80500016B
JOB #:
SHEET 1 OF 1
CG-SVX038A-EN
CG-SVX038A-EN
DSW1
*
THE INFORMATION CONTAINED HEREON,
WHICH IS THE PROPERTY OF
TRANE,
MUST BE MAINTAINED IN STRICT
CONFIDENCE AND NO PORTION OF
THIS MATERIAL MAY BE REPRODUCED
OR USED FOR ANY PURPOSE
WITHOUT THE EXPRESS WRITTEN CONSENT OF
TRANE.
IMPORTANT
GND
C1
FU3
CC
CC
CLASS
3
1/
100-5563
2
600
600
VOLTS
FOR 208-230V UNITS
3 1/2
AMPS
#
BY DATE
FU1,2
FUSE
SCHEDULE
FU1, FU2
ENGINEER'S SEAL
C2
FUSE TYPE
LITTELFUSE
KLDR3 1/2
LITTELFUSE
KLDR3 /1 2
LOCATION
TRANSFORMER
PRIMARY
TRANSFORMER
SECONDARY
DESIGNATION
TRANSFORMER FUSE SCHEDULE
CT2
1
TR1
2
SW
2
2
RELAY M-2
3
3
4
4
RELAY M-3
5
5
6
6
RELAY M-8
RELAY M-7
RELAY M-6
RELAY M-5
7
7
8
8
9
9
10
10
11
11
12 13
12 13
14
14
15
15
16
16
17
17
UNIT CONTROLLER
REVISION
FU3
1
1
1 - CPS On/Off
2 - CKT1 Enable
RELAY M-1
TBA
PDB1
*
CT1
RELAY M-4
FU4-6
18
18
RELAY M-9
19
19
Voltage
20
20
115v
RELAY M-10
21
21
22
22
23
23
24
24
COM
GROUND LUG
TERMINAL BLOCK
TBA
P.O BOX 3066
LONGVIEW, TX
75606-3066
ITEMS MARKED WITH * ARE OPTIONAL
AND ARE NOT ON ALL UNITS
TOOGLE SWITCH
GND
* PWM CIRCUIT FUSES - KTK OR EQ
CURRENT TRANSFORMER MODULES
* COMMUNICATIONS MODULE
SW
FU4,5,6
CT1-CT2
UNIT CONTROLLER
POWER DISTRIBUTION BLOCK
PDB1
UC
TR1 SECONDARY CIRCUIT FUSE - KLDR OR EQ
208,240,480/120 VAC 250 VA TRANSFORMER
TR1
TR1 PRIMARY CIRCUIT FUSES - KLDR OR EQ
* DISCONNECT SWITCH
FU3
CCAR SCROLL 410A
COMPRESSOR CHILLER
TBA
DSW1
FU1, FU2
LEGEND
COMPRESSOR CONTACTORS
* DIGITAL POWER MONITOR
B
R 8 05 0002 6
0
1 OF
1
P R ODUC T I ON
SCALE: NA
DRAWN BY: CHECKED BY:
APP'D BY:
DATE: 8/11/17
SMH
BAR
SMH
DWG. SIZE
TITLE: CONTROL PANEL LAYOUT
20 - 30 TON COMPRESSOR CHILLER 208V
DRAWING NUMBER
REV.SHEET NO.
NAPPS JOB NO.
*
PWM
COM
*
UC
PWM
C1-C2
Electrical Schematics
Figure 25. Control panel layout for 20 to 30 ton, 208V, R-410A CCAR compressor chillers
57
DSW1
*
THE INFORMATION CONTAINED HEREON,
WHICH IS THE PROPERTY OF
TRANE,
MUST BE MAINTAINED IN STRICT
CONFIDENCE AND NO PORTION OF
THIS MATERIAL MAY BE REPRODUCED
OR USED FOR ANY PURPOSE
WITHOUT THE EXPRESS WRITTEN CONSENT OF
TRANE.
IMPORTANT
GND
C1
FU3
CC
CC
CLASS
3
1/
2
1 1/2
100-5564
600
600
VOLTS
FOR 460V UNITS
AMPS
#
BY
DA T E
FU1,2
FUSE
SCHEDULE
LITTELFUSE
KLDR3 /1 2
TRANSFORMER
SECONDARY
FU1, FU2
E NGI NE E R ' S S E A L
C2
FUSE TYPE
LITTELFUSE
KLDR1 1/2
LOCATION
TRANSFORMER
PRIMARY
DESIGNATION
TRANSFORMER FUSE SCHEDULE
CT2
1
TR1
2
SW
2
2
RELAY M-2
3
3
4
4
5
5
6
6
RELAY M-8
RELAY M-7
RELAY M-6
RELAY M-5
7
7
8
8
9
9
10
10
11
11
12 13
12 13
14
14
15
15
16
16
17
17
UNIT CONTROLLER
R E V I S I ON
FU3
1
1
1 - CPS On/Off
2 - CKT1 Enable
RELAY M-1
TBA
PDB1
*
CT1
RELAY M-3
58
RELAY M-4
FU4-6
18
18
RELAY M-9
19
19
Voltage
20
20
RELAY M-10
21
115v
21
22
22
23
23
24
24
TBA
GND
SW
FU4,5,6
CT1-CT2
COM
R 8 05 0002 7
DRAWING NUMBER
0
1 OF
1
REV.SHEET NO.
P R ODUC T I ON
NAPPS JOB NO.
B
DWG. SIZE
BAR
APP'D BY:
P.O. BOX 3066
LONGVIEW, TX
75606-3066
ITEMS MARKED WITH * ARE OPTIONAL
AND ARE NOT ON ALL UNITS
TERMINAL BLOCK
GROIUND LUG
TOOGLE SWITCH
* PWM CIRCUIT FUSES - KTK OR EQ
CURRENT TRANSFORMER MODULES
* COMMUNICATIONS MODULE
UNIT CONTROLLER
POWER DISTRIBUTION BLOCK
PDB1
UC
TR1 SECONDARY CIRCUIT FUSE - KLDR OR EQ
208,240,480/120 VAC 250 VA TRANSFORMER
TR1
TR1 PRIMARY CIRCUIT FUSES - KLDR OR EQ
* DISCONNECT SWITCH
FU3
CCAR SCROLL 410A
COMPRESSOR CHILLER
TBA
DSW1
FU1, FU2
LEGEND
COMPRESSOR CONTACTORS
* DIGITAL POWER MONITOR
SCALE: NA
DRAWN BY: CHECKED BY:
DATE: 8/11/17
SMH
SMH
TITLE: CONTROL PANEL LAYOUT
20 - 30 TON COMPRESSOR CHILLER 460V
*
PWM
COM
*
UC
PWM
C1-C2
Electrical Schematics
Figure 26. Control panel layout for 20 to 30 ton, 460V, R-410A CCAR compressor chillers
CG-SVX038A-EN
CG-SVX038A-EN
DSW1
*
THE INFORMATION CONTAINED HEREON,
WHICH IS THE PROPERTY OF
TRANE,
MUST BE MAINTAINED IN STRICT
CONFIDENCE AND NO PORTION OF
THIS MATERIAL MAY BE REPRODUCED
OR USED FOR ANY PURPOSE
WITHOUT THE EXPRESS WRITTEN CONSENT OF
TRANE.
IMPORTANT
GND
C1
FU3
CC
CC
CLASS
3 1/2
1 1/4
100-5564A
600
600
VOLTS
FOR 575V UNITS
AMPS
#
BY
DA T E
FU1,2
FUSE
SCHEDULE
FU1, FU2
E NGI NE E R ' S S E A L
C2
FUSE TYPE
LITTELFUSE
KLDR1 1/4
LITTELFUSE
KLDR3 /1 2
LOCATION
TRANSFORMER
PRIMARY
TRANSFORMER
SECONDARY
DESIGNATION
TRANSFORMER FUSE SCHEDULE
CT2
1
TR1
2
SW
2
2
RELAY M-2
3
3
4
4
RELAY M-3
5
5
6
6
RELAY M-8
RELAY M-7
RELAY M-6
RELAY M-5
7
7
8
8
9
9
10
10
11
11
12 13
12 13
14
14
15
15
16
16
17
17
UNIT CONTROLLER
R E V I S I ON
FU3
1
1
1 - CPS On/Off
2 - CKT1 Enable
RELAY M-1
18
18
RELAY M-9
19
19
Voltage
20
20
115v
RELAY M-10
21
21
22
22
23
23
24
24
TERMINAL BLOCK
TBA
P.O. BOX 3066L
LONGVIEW, TX
75606-3066
ITEMS MARKED WITH * ARE OPTIONAL
AND ARE NOT ON ALL UNITS
GROUND LUG
TOOGLE SWITCH
* PWM CIRCUIT FUSES - KTK OR EQ
GND
SW
FU4,5,6
CURRENT TRANSFORMER MODULES
* COMMUNICATIONS MODULE
CT1-CT2
COM
UNIT CONTROLLER
POWER DISTRIBUTION BLOCK
UC
600 VAC 250 VA TRANSFORMER
TR1
TR1 SECONDARY CIRCUIT FUSE - KLDR OR EQ
TR1 PRIMARY CIRCUIT FUSES - KLDR OR EQ
CCAR SCROLL 410A
COMPRESSOR CHILLER
TBA
COMPRESSOR CONTACTORS
* DISCONNECT SWITCH
B
R 8 05 0002 8
0
1 OF
1
P R ODUC T I ON
APP'D BY:
SCALE: NA
DRAWN BY: CHECKED BY:
DATE: 8/11/17
SMH
SMH
BAR
DWG. SIZE
TITLE: CONTROL PANEL LAYOUT
20 - 30 TON COMPRESSOR CHILLER 575V
DRAWING NUMBER
REV.SHEET NO.
NAPPS JOB NO.
*
PWM
COM
*
UC
LEGEND
* DIGITAL POWER MONITOR
PDB1
FU3
FU1, FU2
DSW1
C1-C2
PWM
Figure 27.
TBA
PDB1
*
CT1
RELAY M-4
FU4-6
Electrical Schematics
Control panel layout for 20 to 30 ton, 575V, R-410A CCAR compressor chillers
59
DSW1
*
PDB1
IMPORTANT
C1
THE INFORMATION CONTAINED HEREON,
WHICH IS THE PROPERTY OF
TRANE,
MUST BE MAINTAINED IN STRICT
CONFIDENCE AND NO PORTION OF
THIS MATERIAL MAY BE REPRODUCED
OR USED FOR ANY PURPOSE
WITHOUT THE EXPRESS WRITTEN CONSENT OF
TRANE.
GND
*
CC
CC
CLASS
3 1/2
3 1/2
AMPS
600
600
VOLTS
F O R 2 0 8 - 2 3 0 V U NITS
10 0 - 5 5 6 3
CT3
#
BY
FUSE
SCHEDULE
FU3
C2
LITTELFUSE
KLDR3 /1 2
TRANSFORMER
SECONDARY
FU1, FU2
E NGI NE E R ' S S E A L
C3
FUSE TYPE
LITTELFUSE
KLDR3 1/2
LOCATION
TRANSFORMER
PRIMARY
DESIGNATION
TRANSFORMER FUSE SCHEDULE
CT1
DA T E
FU1,2
CT2
TR1
PWM
*
1
1
2
2
1
4
4
5
5
FU3
3
3
6
6
2
7
7
8
8
9
9
1
1
2
2
TBD
TBA
R E V I S I ON
3
3
3
4
4
5
5
6
6
7
7
COM
*
RELAY M-2
FU4-6
8
8
RELAY M-3
RELAY M-1
60
9
9
10
10
RELAY M-4
1 - CPS On/Off
SW 2 - CKT1 Enable
3 - CKT2 Enable
RELAY M-8
RELAY M-7
RELAY M-6
RELAY M-5
11
11
12 13
12 13
14
14
15
15
16
16
17
17
18
18
19
19
UNIT CONTROLLER
20
20
RELAY M-9
21
21
Voltage
22
22
RELAY M-10
23
23
115v
PWM
TERMINAL BLOCK
FU3
FUSE TYPE
L I MI T R ON K T K 1
LITTELFUSE
1
KLDR3 2
LITTELFUSE
1
KLDR3 2
R 8 05 00002 9
DRAWING NUMBER
1 OF
1
REV.SHEET NO.
0
1
3 1/2
3 1/2
600
6 00
600
P R ODUC T I ON
NAPPS JOB NO.
B
DWG. SIZE
APP'D BY:
SMH
P.O. BOX 3066
LONGVIEW, TX
75606-3066
CC
CC
AMPS
FOR 208-230V UNITS
CLASS
CCAR SCROLL 410A
COMPRESSOR CHILLER
DIGITAL POWER
MONITOR *
SECONDARY
TRANSFORMER
FU4, FU5, FU6 *
PRIMARY
TRANSFORMER
LOCATION
FUSE SCHEDULE
1. ITEMS MARKED WITH * ARE OPTIONAL
AND ARE NOT ON ALL UNITS.
NOTES:
TERMINAL BLOCK
TBA
TBD
EXPANSION BOARD SI 16-A04
EXPANSION BOARD RO10
EXP1
EXP2
TOGGLE SWITCHES
GROUND LUG
SW
PWM CIRCUIT FUSES - KTK OR EQ
DIGITAL POWER MONITOR
CURRENT TRANSDUCER MODULES
GND
*
*
CT1-CT3
FU4,5,6
COMMUNICATIONS MODULE
VOLTS
POWER DISTRIBUTION BLOCK
COM
FU1, FU2
DESIGNATION
TBA
EXP1
208,240,480/120 VAC 250 VA TRANSFORMER
UNIT CONTROLLER
PDB1
UC
TR1 SECONDARY CIRCUIT FUSE - KLDR OR EQ
TR1
TR1 PRIMARY CIRCUIT FUSES - KLDR OR EQ
DISCONNECT SWITCH
FU3
*
LEGEND
COMPRESSOR CONTACTORS
SCALE: 1:1
DRAWN BY: CHECKED BY:
DATE: 8/8/2013
SMH
BAR
TITLE: CONTROL PANEL LAYOUT
40 - 65 TON COMPRESSOR CHILLER 208V
24
24
230V
EXP2
UC
*
FU1, FU2
DSW1
C1-C3
Electrical Schematics
Figure 28. Control panel layout for 40 to 65 ton, 208V, R-410A CCAR compressor chillers
CG-SVX038A-EN
TBD
DSW1
*
PDB1
IMPORTANT
C1
CC
CC
CLASS
3 1/2
1 1/ 2
10 0 - 5 5 6 4
600
600
VOLTS
F O R 4 6 0 V U NITS
AMPS
#
FUSE
SCHEDULE
FU3
C2
LITTELFUSE
KLDR3 /1 2
TRANSFORMER
SECONDARY
FU1, FU2
ENGINEER'S SEAL
C3
FUSE TYPE
LITTELFUSE
KLDR1 1/2
LOCATION
TRANSFORMER
PRIMARY
DESIGNATION
TRANSFORMER FUSE SCHEDULE
CT1
BY DATE
FU1,2
CT3
TR1
PWM
*
1
1
3
3
FU3
2
2
1
4
4
5
5
6
6
7
7
2
8
8
9
9
TBA
1
1
2
2
3
3
REVISION
TBD
3
4
4
5
5
6
6
7
7
COM
*
RELAY M-2
CT2
8
8
RELAY M-3
CG-SVX038A-EN
THE INFORMATION CONTAINED HEREON,
WHICH IS THE PROPERTY OF
TRANE,
MUST BE MAINTAINED IN STRICT
CONFIDENCE AND NO PORTION OF
THIS MATERIAL MAY BE REPRODUCED
OR USED FOR ANY PURPOSE
WITHOUT THE EXPRESS WRITTEN CONSENT OF
TRANE.
GND
*
FU4-6
9
9
10
10
RELAY M-4
RELAY M-1
1 - CPS On/Off
SW 2 - CKT1 Enable
3 - CKT2 Enable
RELAY M-8
RELAY M-7
RELAY M-6
RELAY M-5
11
11
12 13
12 13
14
14
15
15
16
16
17
17
18
18
19
19
UNIT CONTROLLER
20
20
RELAY M-9
21
21
Voltage
22
22
RELAY M-10
23
23
115v
PWM
TERMINAL BLOCK
CC
CC
CLASS
R 8 05 0003 0
DRAWING NUMBER
0
1 OF
1
REV.SHEET NO.
600
6 00
600
P R ODUC T I ON
NAPPS JOB NO.
B
DWG. SIZE
APP'D BY:
BAR
1
3 1/2
1 1/2
AMPS
FOR 460V UNITS
P.O. BOX 3066
LONGVIEW, TX
75606-3066
L I MI T R ON K T K 1
1
2
CCAR SCROLL 410A
COMPRESSOR CHILLER
DIGITAL POWER
MONITOR *
LITTELFUSE
1
KLDR3 2
SECONDARY
TRANSFORMER
FU3
FU4, FU5, FU6 *
LITTELFUSE KLDR1
FUSE TYPE
FUSE SCHEDULE
PRIMARY
TRANSFORMER
LOCATION
1. ITEMS MARKED WITH * ARE OPTIONAL
AND ARE NOT ON ALL UNITS.
NOTES:
TERMINAL BLOCK
TBD
EXPANSION BOARD SI 16-A04
EXPANSION BOARD R010
EXP2
TBA
TOGGLE SWITCHES
GROUND LUG
GND
EXP1
PWM CIRCUIT FUSES - KTK OR EQ
DIGITAL POWER MONITOR
CURRENT TRANSFORMER MODULES
SW
*
*
CT1-CT3
FU4,5,6
COMMUNICATIONS MODULE
VOLTS
POWER DISTRIBUTION BLOCK
COM
FU1, FU2
DESIGNATION
TBA
EXP1
EXP2
208,240,480/120 VAC 250 VA TRANSFORMER
UNIT CONTROLLER
PDB1
UC
TR1 SECONDARY CIRCUIT FUSE - KLDR OR EQ
TR1
TR1 PRIMARY CIRCUIT FUSES - KLDR OR EQ
DISCONNECT SWITCH
FU3
*
LEGEND
COMPRESSOR CONTACTORS
SCALE: 1:1
DRAWN BY: CHECKED BY:
SMH
SMH
DATE: 9/27/13
TITLE: CONTROL PANEL LAYOUT
40 - 65 TON COMPRESSOR CHILLER 460V
24
24
230V
UC
*
FU1, FU2
DSW1
C1-C3
Electrical Schematics
Figure 29. Control panel layout for 40 to 65 ton, 460V, R-410A CCAR compressor chillers
61
TBD
DSW1
*
PDB1
IMPORTANT
THE INFORMATION CONTAINED HEREON,
WHICH IS THE PROPERTY OF
TRANE,
MUST BE MAINTAINED IN STRICT
CONFIDENCE AND NO PORTION OF
THIS MATERIAL MAY BE REPRODUCED
OR USED FOR ANY PURPOSE
WITHOUT THE EXPRESS WRITTEN CONSENT OF
TRANE.
GND
*
FU4-6
C1
CC
CC
CLASS
3 1/2
1 1/4
10 0 - 5 5 6 4
600
600
VOLTS
F O R 4 6 0 V U NITS
AMPS
#
BY
TR1
PWM
*
1
1
2
2
3
3
4
4
FU3
1
5
5
6
6
2
7
7
9
9
1
1
TBD
TBA
REVISION
8
8
3
2
2
3
3
4
4
5
5
6
6
7
7
COM
*
RELAY M-2
CT2
DATE
FU1,2
CT3
FUSE
SCHEDULE
FU3
C2
FU1, FU2
ENGINEER'S SEAL
C3
FUSE TYPE
LITTELFUSE
KLDR1 1/4
LITTELFUSE
KLDR3 /1 2
LOCATION
TRANSFORMER
PRIMARY
TRANSFORMER
SECONDARY
DESIGNATION
TRANSFORMER FUSE SCHEDULE
CT1
8
8
RELAY M-3
RELAY M-1
62
9
9
10
10
RELAY M-4
1 - CPS On/Off
SW 2 - CKT1 Enable
3 - CKT2 Enable
RELAY M-8
RELAY M-7
RELAY M-6
RELAY M-5
11
11
12 13
12 13
14
14
15
15
16
16
17
17
18
18
19
19
UNIT CONTROLLER
20
20
RELAY M-9
21
21
Voltage
22
22
RELAY M-10
23
23
115v
TERMINAL BLOCK
TERMINAL BLOCK
TBA
TBD
P.O. BOX 3066
LONGVIEW, TX
75606-3066
R80500031
DR A WI NG NUMB E R
0
1 OF 1
REV. SHEET NO.
PRODUCTION
NA P P S J OB NO.
B
DWG. SIZE
APP'D BY:
BAR
1. ITEMS MARKED WITH * ARE OPTIONAL
AND ARE NOT ON ALL UNITS.
NOTES:
EXPANSION BOARD SI 16-A04
EXPANSION BOARD R010
EXP2
GROUND LUG
EXP1
TOGGLE SWITCHES
SW
CCAR SCROLL 410A
COMPRESSOR CHILLER
TBA
EXP1
CURRENT TRANSFORMER MODULES
GND
PWM
* DIGITAL POWER MONITOR
FU4,5,6 * PWM CIRCUIT FUSES - KTK OR EQ
CT1-CT3
COMMUNICATIONS MODULE
POWER DISTRIBUTION BLOCK
COM *
600 VAC 250 VA TRANSFORMER
UNIT CONTROLLER
PDB1
UC
TR1 SECONDARY CIRCUIT FUSE - KLDR OR EQ
TR1
TR1 PRIMARY CIRCUIT FUSES - KLDR OR EQ
DISCONNECT SWITCH
SCALE: 1:1
DRAWN BY: CHECKED BY:
DATE: 9/30/13
SMH
SMH
TITLE: CONTROL PANEL LAYOUT
40 - 65 TON COMPRESSOR CHILLER 575V
24
24
230V
EXP2
UC
*
LEGEND
COMPRESSOR CONTACTORS
FU3
FU1, FU2
DSW1
C1-C3
Electrical Schematics
Figure 30. Control panel layout for 40 to 65 ton, 575V, R-410A CCAR compressor chillers
CG-SVX038A-EN
TBD
Appendix
Vendor Data Sheet
MSC-CT300 Current Transducer Data Sheet
The MCS-MAGNUM-N
MCS-CT300
Dimensions:
Height ................................................... 4.00”
Width .................................................... 2.38”
Depth .................................................... 1.56”
Wire Hole .............................................. 1.00”
Amperage Rating.................................. 0-300A
Accuracy ............................................... ± 3 amps
Sensor Output Voltage ......................... 0-5vdc
Supply Voltage...................................... Induced
Operating Temperature ......................-40°F to +158°F (-40°C to +70°C)
Storage Temperature..........................-40°F to +158°F (-40°C to +70°C)
Part # MCS-CT300
Description
The MCS-CT300
electrical equipment. The magnitude of the current is converted
to a linear 0 to 5vdc output signal which can be read as a standard
analog input signal. The signal is used by MCS micro controllers
for the following:
Amps
Volts dc
Amps
Volts dc
10
0.13
160
2.71
20
0.30
170
2.88
1. For slide valve positioning on screw machines
30
0.48
180
3.05
2. For high amp motor overload protection
40
0.65
190
3.22
50
0.82
200
3.39
60
0.99
210
3.56
70
1.16
220
3.73
80
1.34
230
3.91
90
1.51
240
4.06
100
1.68
250
4.23
110
1.85
260
4.40
120
2.02
270
4.58
130
2.19
280
4.74
140
2.36
290
4.91
150
2.53
300
5.08
4. Used in kw calculations
The MCS-CT300 is a solid-core version, so the conductor runs
through the sensor. No cutting, taping or rerouting is required.
It is accurate, reliable, easy to install and requires no service.
The MCS-CT300 has an accuracy of ± 3 amps in the frequency
range from 50-60Hz. The sensor outputs a 0 to 5vdc signal. The
sensor power is induced from the current being monitored.
On the printed circuit board, a resistor is mounted across the
CT terminals, which eliminates danger from induced current.
A removable three-position terminal block is provided for easy
wiring.
A two-conductor shielded cable must be used. The shield must
be cut at the MCS-CT300 end and tied to ground at the MCS
micro controller terminal block.
Revision 2015-08-07
5580 Enterprise Pkwy., Fort Myers, FL 33905
For complete temperature chart, refer to the MCS-T100 spec sheet
CG-SVX038A-EN
63
Appendix
MSC-667F Pressure Transducer Data Sheet
The MCS-667B-xx
MCS-MAGNUM-N
S ee
S ee
Speci c tions
Part # MCS-667B-xx
Description
L 90180
MADE IN USA
The MCS-667B pressure trans ucer is specially esigne
for use in high pressure H AC refrigeration applications,
in the most eman ing environments, where low cost is
nee e yet maintaining high accuracy, long term relia ility,
an long life.
Features inclu e, high accuracy, wi e temperature range,
esign for outrefrigerant me ia compati ility an rugge
oor use.
The MCSB pressure trans ucer is CE, L an RoHs
B
compliant. It is capa le of surviving high vi ration. MCSis a seale gage pressure trans ucer with a cavity uilt out of
stainless steel with a Neoprene sealing material, ¼” SAE Female
Flare tting Schra er valve 1 - 0 NF pipe threa which
creates a leak-proof, all metal seale system that makes the
B i eal for use with rugge H AC environments using
MCSrefrigerant Me ia.
Pressure Range............... 0 to
psi seale gauge
Housing ........................... Stainless Steel
Sealing Material ...............Neoprene
Electrical Connection ....... P
Operating Temperature.... - 0 F to 5 F - 0 C to 1 5 C
Accuracy .......................... .0 - 0 F to - F - 0 C to - 0 C
1.5 - F to 3 F - 0 C to 0 C
1.0 3 F to 1 F 0 C to 80 C
1.5 1 F to 8 F 80 C to 1 0 C
.0
8 F to 5 F 1 0 C to 1 5 C
Agency Approvals ............ CE, L E3 390 , RoHS
Proof Pressure.................ma 000
Burst Pressure ................... ma 3000
Ran om i ration ...........5 G @ 33Hz
nput oltage....................5v c 0. 5
c
Input Current.................... 10 ma 0.01 amps
Output oltage .................0.5 to .5
c ratio metric
Connection ......................
SAE Female Flare tting
Schra er valve 1 - 0 NF threa
Option Cable:
Connector ........................Packar with Silicone seal
Length.............................. 0 , 0 or 0 feet
Type .................................3-con uctor, 0 awg stran e
Shiel ...............................Foil shiel with 5 overlap
Drain ................................Stran e tinne copper rain
When ordering replace -xx with:
....................................... 0 0 or 0 wire length
The ca le is availa le in either 0 , 0
or 0 lengths with a remova le Packar
connector to provi e easy servicea ility.
The wire is seale an crimpe to the
Packar connector provi ing a li ui
tight environment an strain relief.
*IP66 Rating
A le to protect against powerful water ets ater pro ecte in powerful ets 1 .5 mm
nozzle against the enclosure from any irection shall have no harmful effects. ater
volume 100 litres
. gals per minute
Pressure 100 kPa 1 .50psi at istance of 3 m 9.8 ft 1 meter in epth.
100
10
200
1.70
300
2.30
400
2.90
500
3.50
600
4.10
56
110
16
210
1.76
310
2.36
410
2.96
510
3.56
610
4.16
62
120
22
220
1.82
320
2.42
420
3.02
520
3.62
620
4.22
68
130
28
230
1.88
330
2.48
430
3.08
530
3.68
630
4.28
74
140
1.34
240
1.94
340
2.54
440
3.14
540
3.74
640
4.34
80
150
1.40
250
2.00
350
2.60
450
3.20
550
3.80
650
4.40
86
160
1.46
260
2.06
360
2.66
460
3.26
560
3.86
660
4.46
0.92
170
1.52
270
2.12
370
2.72
470
3.32
570
3.92
667
4.50
0.98
180
1.58
280
2.18
380
2.78
480
3.38
580
3.98
04
190
1.64
290
2.24
390
2.84
490
3.44
590
4.04
e ision - 01 -0 - 1
f ce
64
5580 Enterprise Pkwy., Fort Myers, FL 33905
For complete temperature chart, refer to the MCS-T100 spec sheet
39- 9 -0089 Fa
39- 9 -0031 www.mcscontrols.com
CG-SVX038A-EN
Appendix
The MCS-T100 Specifications and Description
The MCS-MAGNUM-N
MCS-T100
Standard Temperature Range...............
Standard Temperature Accuracy ..
......
..
Resistance Range ........................
.......
.......
Input Voltage................................. 5vdc
Sensor Resistance ...........................
Dimensions ...................................
Material ......................................... Stainless Steel
Environmental rating.....................
Testing .......................................... 10,000 freeze/thaw thermal
cycles
Part #
Description
The
for demanding environments. It is ideal for high moisture locations
with continuous freeze and thaw cycles. The sensor is potted with
a thermally conductive RTV Cure Silicon Adhesive to guarantee
-
Temp
(°F / °C)
Resist
(ohms)
S1
(vdc)
Temp
(°F / °C)
Resist
(ohms)
S1
(vdc)
Temp
(°F / °C)
Length...........................................
Wire .................................................
Shield............................................
Drain ................................................Stranded tinned copper drain
............................................................
wire length
Resist
(ohms)
S1
(vdc)
Temp
(°F / °C)
Resist
(ohms)
S1
(vdc)
Temp
(°F / °C)
Resist
(ohms)
S1
(vdc)
-40/-40
4,015,500
0.121
32/0
351,020
1.109
95/35
63,480
3.058
158/70
15,500
4.329
208/97.7
5,981
4.718
-35/37.2
3,324,096
0.146
35/1.6
320,976
1.188
100/37.7
56,200
3.201
160/71.1
14,881
4.352
210/98.8
5,773
4.727
-30/34.4
2,760,524
0.175
38/3.3
293,758
1.270
104/40
51,050
3.310
165/73.8
13,456
4.407
212/100
5,573
4.736
-25/-31.6
2,299,670
0.208
40/4.4
277,040
1.326
105/40.5
49,846
3.337
167/75
12,930
4.428
215/101.6
5,289
4.749
-20/-28.9
1,921,640
0.247
45/7.2
239,686
1.472
110/43.3
44,287
3.465
170/76.6
12,185
4.457
218/103.3
5,020
4.761
-15/-26.1
1,610,592
0.292
50/10
207,850
1.624
113/45
41,290
3.539
175/79.4
11,052
4.502
220/104.4
4,849
4.769
-10/-23.3
1,353,866
0.344
55/12.7
180,647
1.782
115/46.1
39,420
3.586
180/82.2
10,033
4.544
223/106.1
4,605
4.780
-5/-20.6
1,141,345
0.403
58/14.4
166,243
1.878
120/48.8
35,149
3.697
183/83.8
9,474
4.567
225/107.2
4,449
4.787
0 /-17.7
964,963
0.470
60/15.5
157,353
1.943
125/51.6
31,399
3.805
185/85
9,121
4.582
227/108.3
4,299
4.794
5/-15.0
818,070
0.545
65/18.3
137,363
2.106
130/54.4
28,093
3.903
190/87.7
8,303
4.617
230/110
4,085
4.804
10/-12.2
695,433
0.629
70/21.1
120,169
2.271
135/57.2
25,173
3.994
195/90.5
7,567
4.648
233/111.6
3,886
4.813
15 /-9.4
592,755
0.722
75/23.9
105,347
2.435
140/60
22,590
4.079
198/92.2
7,162
4.666
235/112.7
3,760
4.819
20/-6.6
506,560
0.824
80/26.7
92,541
2.597
145/62.8
20,309
4.156
200/93.3
6,906
4.677
240/115.5
3,463
4.833
25/-3.8
434,007
0.936
85/29.4
81,454
2.756
150/65.5
18,284
4.227
203/95
6,541
4.693
245/118.3
3,191
4.845
30/-1.1
372,778
1.058
90/32.2
71,838
2.910
155/68.3
16,484
4.292
205/96.1
6,310
4.703
248/120
3,040
4.852
5580 Enterprise Pkwy., Fort Myers, FL 33905
For complete temperature chart, refer to the MCS-T100 spec sheet
CG-SVX038A-EN
65
Appendix
Warranty
I. Limited Product Warranty & Service
Policy
Napps Technology, Inc. (NAPPS) warrants for a period of
twelve (12) months from date of original shipment that all
products, manufactured by NAPPS, with the exception of
packaged refrigeration products, are free from defects of
material and workmanship when used within the service,
range, and purpose for which they were manufactured.
Packaged refrigeration products shall be so warranted for
a period of twelve (12) months from date of start-up or
eighteen (18) months from date of original shipment,
whichever may first occur. Service Parts shall be so
warranted for a period of ninety (90) days from date of
installation, or twelve (12) months from date of original
shipment, whichever may first occur.
In case material is rejected on inspection by the buyer as
defective, NAPPS shall be notified in writing within ten (10)
days from receipt of said material. NAPPS will then have
the option of re-inspection at the buyer’s plant or its own
plant before allowing or rejecting the buyer's claim.
Expenses incurred in connection with claims for which
NAPPS is not liable may be charged back to the buyer. No
claim for correction will be allowed for work done in the
field except with the written consent of NAPPS. Defects
that do not impair service shall not be cause for rejection.
NAPPS assumes no liability in any event for consequential
damages. No claim will be allowed for material damaged
by the buyer or in transit. Defective equipment or parts
shall be returned to NAPPS freight prepaid.
NAPPS will, at its option, repair, replace or refund the
purchase price of products found by NAPPS to be
defective in material or workmanship provided that
written notice of such defect requesting instruction for
repair, replacement or refund is received by NAPPS within
ten (10) days of determination of said defect, but not more
than one (1) year after the date of shipment, and provided
that any instructions given thereafter by NAPPS are
complied with.
Any products covered by this order found to NAPPS'
satisfaction to be defective upon examination at NAPPS'
factory will, at NAPPS’ option, be repaired or replaced and
returned to Buyer via lowest cost common carrier, or
NAPPS may, at its option, grant Buyer a credit for the
purchase price of the defective article.
Without limitation of the foregoing, this warranty shall not
apply to (i) deterioration by corrosion or erosion of
material or any cause or failure other than defect of
material or workmanship; (ii) the performance of any
system of which NAPPS’ products are a component part;
or (iii) any of NAPPS’ products or parts thereof which have
been subjected to alteration or repair by anyone other than
NAPPS or someone authorized by NAPPS, or subjected to
misuse, neglect, free chemicals in system, corrosive
atmosphere, abuse or improper use or misapplication
such as breakage by negligence, accident, vandalism, the
elements, shock, vibration or exposure to any other
66
service, range or environment of greater severity than that
for which the products were designed, or if operation is
contrary to NAPPS’ or manufacturer’s recommendation,
or if the serial number has been altered, defaced or
removed.
Hermetic motor/compressors furnished by NAPPS are
subject to the standard warranty terms set forth above,
except that the hermetic motor/compressor replacements
or exchanges shall be made through the nearest
authorized wholesaler of the hermetic motor/compressor
manufacturer (not NAPPS’ factory) and no freight shall be
allowed for transportation of the hermetic motor/
compressor to and from the wholesaler. For TRANE
hermetic motor/compressors, the nearest wholesaler
referred to herein shall be the nearest TRANE PARTS
CENTER. The replacement hermetic motor/compressor
shall be identical to the model of the hermetic motor/
compressor being replaced. Additional charges, which
may be incurred through the substitution of other than
identical replacements, are not covered by this warranty.
Evaporator failure due to fluid freezing that is the result of
low fluid flow or inadequate fluid freeze protection, for
applications with leaving fluid temperatures below 40°F, is
not covered by this warranty.
The Warranty provided above is the only Warranty made
by NAPPS with respect to its products or any parts
therefore and is made expressly in lieu of any other
Warranties, by course of dealing, usages of trade or
otherwise, expressed or implied, including but not limited
to any implied Warranties of fitness for any particular
purpose or of merchantability under the uniform
commercial code. It is agreed that this Warranty is in lieu
of and buyer hereby waives all other warranties,
guarantees or liabilities arising by law or otherwise.
NAPPS shall not incur any other, obligations or liabilities
or be liable to buyer or any customer of buyer for any
anticipated or lost profits, incidental or consequential
damages, or any other losses or expenses incurred by
reason of the purchase, installation, repair, use or misuse
by buyer or third parties of its products (including any
parts repaired or replaced); and NAPPS does not authorize
any person to assume for NAPPS any other liability in
connection with the products or parts therefore. NAPPS
shall not be responsible for the loss or replacement of or
the addition of compressor oil, or refrigerant.This
Warranty cannot be extended, altered or varied except by
a written instrument signed by NAPPS and buyer.
II. Limitation Of Liability
NAPPS shall not be liable, in contract or in tort, for any
special, indirect, incidental or consequential damages,
such as, but not limited to, loss of profits, or injury or
damage caused to property, products, or persons by
reason of the installation, modification, use, repair,
maintenance or mechanical failure of any NAPPS product.
CG-SVX038A-EN
Ingersoll Rand (NYSE:IR) advances the quality of life by creating comfortable, sustainable and efficient
environments. Our people and our family of brands—including Club Car®, Ingersoll Rand®, Thermo King® and
Trane®—work together to enhance the quality and comfort of air in homes and buildings; transport and protect
food and perishables; and increase industrial productivity and efficiency. We are a global business committed to a
world of sustainable progress and enduring results.
ingersollrand.com
Ingersoll Rand has a policy of continuous product and product data improvement and reserves the right to change design and specifications
without notice.
We are committed to using environmentally conscious print practices.
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©2017 Ingersoll Rand
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