18-GF07D1-1_Installation Guide

18-GF07D1-1
Installer’s Guide
WALL-MOUNT AIR HANDLERS
1.5-3TON COOLING
TMM4A0A18S21SA
TMM4A0A24S21SA
TMM4A0B30S21SA
TMM4A0B36S31SA
ALL phases of this installation must comply with NATIONAL, STATE AND LOCAL CODES
Important: This Document is customer property and is to remain with this unit.
The TMM4A series wall mount air handler is designed for installation in a closet, utility room, alcove
and can be wall mounted. These versatile units are applicable to air conditioning applications. Field
installed electric resistance heaters are available.
Section 1. Features
1.1 Standard Features
•
•
•
FRONT OR BOTTOM RETURN AIR.
PAINTED FINISH ON GALVANIZED STEEL
STURDY POLYCARBONATE DRAIN PANS
- The TMM4A wall mount air handler has factory
installed drain pans and is shipped for upflow
applications only.
•
208/230 VAC OPERATION
•
•
•
STUD OR WALL MOUNTING TABS
FULLY INSULATED CABINET
3/4'' NPT PRIMARY AND SECONDARY DRAINS
1.2 Optional Accessories
•
5, 7.5 and 10 kW SINGLE PHASE ELECTRIC
HEATERS
- Circuit breakers are standard on all single
phase 5, 7.5 and 10 kW heaters.
Section 2. Safety Information
Note: The small air handlers have been evaluated in accordance
with the Code of Federal Regulations, Chapter XX, Part 3280 or the
WARNING
equivalent. “SUITABLE FOR MOBILE HOME USE.”
SAFETY HAZARD! This information is intended for use by
CAUTION
individuals possessing adequate backgrounds of electrical
and mechanical experience. Any attempt to repair a central air
CORROSION HAZARD! To prevent shortening its service life,
conditioning product may result in personal injury and/or
the air handler should not be used during the finishing phases
property damage. The manufacturer or seller cannot be
of construction. The low return air temperatures can lead to
responsible for the interpretation of this information, nor can it
the formation of condensate. Condensate in the presence of
assume any liability in connection with its use.
chlorides and fluorides from paint, varnish, stains, adhesives,
cleaning compounds, and cement creates a corrosive
WARNING
condition which may cause rapid deterioration of the cabinet
and internal components.
HAZARDOUS VOLTAGE!
Disconnect all electrical power, including remote disconnects
before installing or servicing. Follow proper lockout/tagout
CAUTION
procedures to ensure the power can not be inadvertently
energized. Failure to disconnect power before servicing could
SAFETY HAZARD! Sharp Edge Hazard. Be careful of sharp
result in death or serious injury.
edges on equipment or any cuts made on sheet metal while
installing or servicing. Personal injury may result.
WARNING
WARNING
LIVE ELECTRICAL COMPONENTS! During installation,
testing, servicing, and troubleshooting of this product, it may
THIS
be necessary to work with live electrical components. Failure
INSULATION! FIBERGLASS DUST AND CERAMIC FIBERS
to follow all electrical safety precautions when exposed to live
ARE BELIEVED BY THE STATE OF CALIFORNIA TO
electrical components could result in death or serious injury.
CAUSE CANCER THROUGH INHALATION. GLASSWOOL
PRODUCT
CONTAINS
FIBERGLASS
WOOL
FIBERS MAY ALSO CAUSE RESPIRATORY, SKIN, OR EYE
WARNING
IRRITATION.
PRECAUTIONARY MEASURES
EXPLOSION HAZARD!
• Avoid breathing fiberglass dust
Do not store corrosive or combustible materials, gasoline, or
• Use a NIOSH approved dust/mist respirator
other flammable vapors or liquids near the unit. Failure to
• Avoid contact with the skin or eyes. Wear long-sleeved,
follow this warning could result in property damage, serious
loose fitting clothing, gloves, and eye protection.
personal injury, or death.
• Wash clothes separately from other clothing, rinse washer
thoroughly.
WARNING
• Operations, such as sawing, blowing, tear-out, and spraying
may generate fiber concentrations requiring additional
ELECTRICAL HAZARD!
respiratory protection. Use the appropriate NIOSH approved
Grounding Required! Follow proper local and state electrical
respirator in these situations.
code on requirements for grounding. Failure to follow this
FIRST AID MEASURES
warning could result in property damage, serious personal
injury, or death.
EYE CONTACT: FLUSH EYES WITH WATER TO REMOVE DUST
IF SYMPTOMS PERSIST, SEEK MEDICAL ATTENTION.
SKIN CONTACT: WASH AFFECTED AREA GENTLY WITH SOAP
WARNING
AND WARM WATER AFTER HANDLING.
HAZARDOUS VAPORS! Do not install an air handler with a
Note: The manufacturer recommends installing ONLY A.H.R.I.
non-ducted return in the same closet, alcove, or utility room
approved, matched indoor and outdoor systems. Some of the
as a fossil fuel device. Hazardous vapors can be distributed
benefits of installing approved matched indoor and outdoor split
throughout the conditioned space and equipment damage can
systems are maximum efficiency, optimum performance, and the
result.
best overall system reliability.
Important: These instructions do not cover all variations in systems
nor provide for every possible contingency to be met in connection
WARNING
with the installation. Should further information be desired or should
particular problems arise which are not covered sufficiently for the
Make sure the blower motor support is tight
purchaser’s purposes, the matter should be referred to your
(3-motor mount bolts) then check to see if
installing dealer or local distributor.
wheel is secured to motor shaft before
operating unit.
Important: Installation of this unit shall be made in accordance with
the National Electric Code, NFPA No. 90A and 90B, and any other
local codes or utilities requirements.
2
BLOWER MOTOR
SHIPPING BOLT
Section 3. Installation Instructions
WALL STRUCTURE
PROVIDED AIR HANDLER
MOUNTING BRACKET
3.1 Unpacking
Carefully unpack the unit and inspect the contents for damage. If
any damage is found at the time of delivery, proper notification and
claims should be made with the carrier.
Check the rating plate to assure model number and voltage, plus
any kits match with what you ordered. The manufacturer should be
WOOD SCREWS
31.5˝
notified within 5 days of any discrepancy or parts shortage.
3.2 Location
PROVIDED WALL
MOUNT BRACKET
The small air handler should be centrally located and may be
installed in a closet, alcove, utility room, basement. Minimum
clearances must be met.
The air handler comes standard with two different options for
WOOD SCREWS
mounting, wall mount or frame mount. Both mounting options require
the unit to be level from side to side and from front to back in order to
NOTE: MOUNTING WALL AND SUPPORTING
STRUCTURE MUST BE ABLE TO SUPPORT A
MINIMUM OF 150 LBS.
allow condensate to properly drain from the unit. Failure to do this will
result in condensate to leak out from the unit potentially causing
structural damage to the surrounding support structures, dry wall,
PROVIDED WALL
MOUNT BRACKET
carpet, etc. around the unit. Also, both mounting structures require
the ability to accommodate a minimum of 150 lb load. Failure to do
this will cause damage to the support structure and potentially
damage the unit.
3.2.1 WALL MOUNT
WOOD SCREWS
The air handler comes standard with an upper and lower wall mount
bracket. Reference Figure 3-1 for more detail.
SUPPORTING 2˝X4˝
STRUCTURE
1. Remove lower wall mounting bracket from the back of the unit by
removing one screw which attaches the bracket to the air handler.
Note: Discard the screw after you have removed the wall mounting
bracket.
2. Install bracket on the wall by using 3 wood screws (not provided).
Make sure the bracket is level in order to provided proper drainage
from the unit. Note: Do not attach the wall mounting bracket into
WALL MOUNT PLATE
unsupported dry wall. Make sure that the wood screws are going into
a structure that can suppport a minimum of 150 lb load.
WOOD SCREWS
3. Lift the air handler above the wall mounting bracket and attached
Fig. 3-1 WALL MOUNT
the unit to the installed bracket. Reference Figure 3-1.
4. Install the additional bottom plate for extra support for this type
mounting (see figure 3-1).
Note: The additional plate is shipped in the bottom of the shipping
carton (only for 30/36k unit).
WALL STRUCTURE
3.2.2 FRAME MOUNT
SUPPORTING
2"X4" STRUCTURE
The air handler comes with 8 clearance holes 4 on each side. These
holes are used to mount the air handler inside of a frame structure
(see Figure 3-2). When mounting in this fashion, make sure that the
wood screws are mounted from within the air handler and not outside
of the unit. Installing the screws from the outside of the unit, And
notice don’t damage to the coil.
WOOD SCREWS
STUD ATTACHMANT
HOLES
For ensure the proper installation for frame mount, Select the enough
solid and level site. Ensure enough space required for installation and
maintenance(See Figure. 3-3)
SUPPORTING
2"X4" STRUCTURE
Fig. 3-2 FRAME MOUNT
3
》20"
3.3 Duct Work
Field ductwork must comply with the National Fire Protection
Association NFPA 90A, NFPA 90B and any applicable local
ordinance.
AIRFLOW
WARNING
Do not, under any circumstances, connect return ductwork to any
other heat producing device such as fireplace insert, stove, etc.
Unauthorized use of such devices may result in fire, carbon
monoxide poisoning, explosion, personal injury or property
damage.
Sheet metal ductwork run in unconditioned spaces must be insulated
and covered with a vapor barrier. Fibrous ductwork may be used if
Top view of the indoor unit clearance(including air duct).
constructed and installed in accordance with SMACNA Construction
≥0"
Standard on Fibrous Glass Ducts. Ductwork must comply with
National Fire Protection Association as tested by U/L Standard 181
for Class I Air Ducts. Check local codes for requirements on
ductwork and insulation.
•
Duct system must be designed within the range of external static
pressure the unit is designed to operate against. It is important that
the system airflow be adequate. Make sure supply and return
ductwork, grills, special filters, accessories, etc. are accounted for in
≥0"
≥0"
Front of unit
total resistance. See airflow performance tables in this manual.
≥24"
•
Design the duct system in accordance with “ACCA” Manual “D”
Design for Residential Winter and Summer Air Conditioning and
Fig.3-3 Space for frame mount
Equipment Selection. Latest editions are available from: “ACCA” Air
3.2.3 CONFIGURATIONS
Conditioning Contractors of America, 1513 16th Street, N.W.,
Washington, D.C. 20036. If duct system incorporates flexible air
duct, be sure pressure drop Information (straight length plus all
turns) shown in “ACCA” Manual “D” is accounted for in system.
•
Supply plenum is attached to the 3/4” duct flanges supplied with
the unit.
IMPORTANT: If an elbow is included in the plenum close to the unit,
it must not be smaller than the dimensions of the supply duct flange
on the unit.
INSTALL FRONT
COIL PANEL
•
IMPORTANT: The front flange on the return duct if connected to
the blower casing must not be screwed into the area where the
power wiring is located. Drills or sharp screw points can damage
insulation on wires located inside unit.
•
Secure the supply and return ductwork to the unit flanges, using
proper fasteners for the type of duct used and tape the duct-to-unit
joint as required to prevent air leaks.
REMOVE BOTTOM COIL
PANEL OFF PLATE
Fig. 3-4 DIFFERENT AIR SUPPLY
Bottom Return Conversion: Divert the return air from the factory
standard front return to a bottom return.Remove the cross brace
when converting cabinet to bottom return.
3.4 Condensate Drain
The unit is supplied with primary and auxiliary condensate drains
that have 3/4” NPT connections. Both drains must be trapped
outside the unit and piped in accordance with applicable building
codes. Do not reduce the drain line size less than the connection
size on the drain pan. Condensate should be piped to an open drain
or to the outside. All drains must pitch downward away from the unit
ELECTRIC HEATER KITS
a minimum of 1/4” per foot of line to ensure proper drainage.
Insulate the primary drain line to prevent sweating where dew point
temperatures may be met. (Insulation is optional depending on
climate and application needs.)
Important: If cleanout Tee is used, standpipe must be sealed/capped.
Fig. 3-5 HEATER ELEMENTS INSTALLATION
4
3.5 Refrigerant Piping
•
Refrigerant pipe connections are located on the top of the unit.
extending from top of air handler (see Figure 1). Connections for
Refrigerant piping external to the unit shall be sized in accordance
control wiring are made with wire nuts. Control wiring knockouts (7/8˝)
with the instructions of the outdoor equipment. When units are
are also provided on the right and left side of the unit for side connec-
recessed mounted in the wall, make certain that piping connections
Low voltage control connections are made to low voltage pigtails
tion.
are pressure tested prior to the wall being closed. While brazing, be
•
sure to protect the cabinet and grommets from heat damage.
connected.
3.6 Metering Device
See wiring diagrams attached to indoor and outdoor sections to be
• Make sure, after installation, separation of control wiring and power
All units are shipped and installed with throttle designed for air
wiring has been maintained.
conditioning operation. Pressures equalize after shut down. Some
outdoor models may require a start assist kit. See outdoor unit for
3.8.3 GROUNDING
more information.
WARNING
3.7 Blower
This unit is supplied with a multi-speed PSC motor with a direct
The unit must be permanently grounded. Failure to do so can
drive blower wheel which can obtain various air flows. The unit is
result in electrical shock causing personal injury or death.
shipped with factory set cooling and heating speed taps. Airflow
performance tables are available for additional speed taps.
• Grounding may be accomplished by grounding metal conduit when
Disconnect all power to the unit before making any adjustments to
installed in accordance with electrical codes to the unit cabinet or by
the motor speed taps. Be sure to check the air flow and the
attaching ground wire(s) to ground lug(s) provided in the unit wiring
temperature drop across the evaporator coil to ensure sufficient air
compartment.
flow.
• Ground lug(s) are located close to wire entrance on left side of unit
3.8 Wiring
(up-flow). Lug(s) may be moved to marked locations near wire
Field wiring must comply with the National Electric Code (C.E.C. in
entrance on right side of unit (upflow). If alternate location is more
Canada) and any applicable local ordinance.
convenient.
• Use of multiple supply circuits require grounding of each circuit to
WARNING
Disconnect all power to unit before installing or servicing. More
lug(s) provided in unit.
3.9 Air Filter
than one disconnect switch may be required to de-energize the
equipment. Hazardous voltage can cause severe personal injury
or death.
To protect the coil, blower and other internal parts from excessive dirt
and dust an air filter must be installed before air enters the evaporator
coil. A filter must be installed. Consult the filter manufacturer for
3.8.1 POWER WIRING
proper sizing and maximum velocity requirements.
It is important that proper electrical power is available for connection
Filter Sizes
to the unit model being installed. See the unit nameplate, wiring
diagram and electrical data in the installation instructions.
•
If required, install a branch circuit disconnect of adequate size,
located within sight of, and readily accessible to the unit.
•
MODEL
FILTER SIZE IN [mm]
18/24
16Χ20[406Χ508]
30/36
20Χ20[508Χ508]
IMPORTANT: After the Electric Heater is installed, units are
equipped with one 30-60 amp. circuit breaker. These breaker(s)
protect the internal wiring in the event of a short circuit and serve as
a disconnect. Circuit breakers installed within the unit do not provide
over-current protection of the supply wiring and therefore may be
sized larger than the branch circuit protection.
•
Supply circuit power wiring must be 75°C minimum copper
conductors only. See Electrical Data in this section for ampacity,
wire size and circuit protector require ment. Supply circuit protective
devices may be either fuses or “HACR” type circuit breakers.
• Power wiring may be connected to either the right or left side.
Two 7/8” dia. concentric knockouts are provided for connection of
3.10 Thermostat
Select a thermostat that is commonly used with AC single stage
cooling with electric heat. The thermostat will energize the fan on a
demand for cool.
Install the thermostat on an inside wall, away from drafts, lights or
other heat sources in a location that has sufficient air circulation from
other rooms being controlled by the thermostat. The thermostat
should be mounted 4 to 5 feet above the floor.
power wiring to unit.
•
Power wiring is connected to the power terminal block in unit
electric cabinet.
3.8.2 CONTROL WIRING
IMPORTANT: Class 2 low voltage control wiring should not be run in
conduit with main power wiring and must be separated from power
wiring, unless class 1 wire of proper voltage rating is used.
•
Low voltage control wiring should be 18 Awg. color-coded. For
lengths longer than 100 ft., 16 Awg. wire should be used.
5
3.11 Sequence of Operation
Cooling (cooling only)
Section 4. Wiring
When the thermostat calls for cooling, the circuit from R to G is
completed. The blower motor is energized directly by the 24VAC
signal from the thermostat.
The circuit from R to Y is also complete energizing the compressor
AC SYSTEMS
Thermostat
Air Handler
contactor of the outdoor unit. The contactor will close and start the
Outdoor
Unit
compressor and condenser fan motor.
24 VAC HO T
R
R
FA N
G
G
24 VAC
Common
B/C
Blue
COOLING
Y
Heating (electric heat only)
Note: The thermostat must be setup to bring the blower on when the
electric heat is energized.
When the thermostat calls for heating, the circuit from R to G is
completed and the blower motor is energized directly by the 24VAC
signal from the thermostat. The circuit from R to W is completed
C
B
energizing the heating contactor(s).
3.12 Operational And Checkout Procedures
To obtain proper performance, all units must be operated and charge
Y
adjustments made in accordance with procedures found in the
Service Facts document of the outdoor unit.
After installation has been completed, it is recommended that the
entire system be checked against the following list:
[ ] 1. Be sure unit suspension (if used) is secure and there are no
tools or loose debris in, around or on top of the unit.
[ ] 2. Properly insulate suction lines and fittings.
[ ] 3. Properly secure and isolate all refrigerant lines.
[ ] 4. Verify that all electrical connections are tight.
[ ] 5. Check all duct outlets; they must be open and unrestricted.
[ ] 6. Check drain lines and be sure all joints are tight.
[ ] 7. Be sure the return air filter is installed.
[
] 8. Operate complete system in each mode to verify proper
performance. Verify operation of supplementary electric heater.
3.13 Maintenance
The system air filter(s) should be inspected, cleaned or replaced at
least monthly. Make certain that the access panels are replaced and
secured properly before placing the unit back in operation. This
product is designed for dependable service; however, periodic
maintenance should be scheduled and conducted by trained
professional service personnel. This service should be conducted at
least annually, and should include testing and inspection of electrical
and refrigerant components. The heat transfer surface should be
cleaned. The blower motor is permanently lubricated for normal
operating conditions.
6
HEAT
W
W1
White
Fig. 4-1
7
Section 5. - Heater Pressure Drop Table - Use For All TMM4A Wall Mount Air Handler Models
NUMBER OF RACKS
AIRFLOW
CFM
MODEL
TMM4A0B30,36
TMM4A0A18, 24
1
2
3
AIR PRESSURE DROP - INCHES W.G.
HEATER RACKS
HEATER MODEL
NO. OF RACKS
1
BAYHTRM505BRKAA
2
BAYHTRM508BRKAA
3
BAYHTRM510BRKAA
1400
0.06
0.08
0.08
1300
0.06
0.08
0.08
1200
0.06
0.08
0.08
1100
0.06
0.08
0.08
1000
0.06
0.08
0.08
900
0.04
0.06
0.06
1
Accessory Heater Usage
NUMBER
OF RACKS
800
0.04
0.06
0.06
2
700
0.04
0.06
0.06
3
900
0.04
0.06
0.06
Minimum CFM
800
0.04
0.06
0.06
700
0.04
0.06
0.06
600
500
0.04
0.04
0.06
0.06
0.06
0.06
SIZES
USED WITH
kW
INTERNAL CIRCUIT
PROTECTION
18-36
5
Circuit Breaker
18-36
7.5
Circuit Breaker
18-36
10
Circuit Breaker
MODEL
TMM4A0A18M21SA
TMM4A0A24M21SA
TMM4A0B30M21SA
TMM4A0B36M31SA
1
450
450
700
700
NUMBER OF RACKS
2
3
500
600
500
600
725
750
725
750
Section 6. Performance and Electrical Data
Airflow performance data is based on cooling performance with a coil and no filter in place. Select performance table for appropriate unit size
external static applied to unit allows operation within the minimum and maximum limits shown in table below for both cooling and electric heat
operation.
Model
Number
Motor
Speed
Low
18
Middle
High
Low
24
Middle
High
8
CFM
RPM
Watts
Amps
CFM
RPM
Watts
Amps
CFM
RPM
Watts
Amps
CFM
RPM
Watts
Amps
CFM
RPM
Watts
Amps
CFM
RPM
Watts
Amps
0[0]
590
598
168
0.75
686
685
184
0.81
796
778
236
1.04
696
700
198
0.89
850
837
236
1.03
938
921
300
1.33
CFM(Watts)
External Static Pressure-Inches W.C.[kPa]
0.1[.02] 0.16[.04] 0.2[.05] 0.3[.07] 0.4[.10] 0.5[.12] 0.6[.15] 0.7[.17] 0.8[.20]
556
526
520
481
437
387
686
645
696
745
790
836
161
165
161
156
150
145
0.73
0.72
0.72
0.7
0.68
0.66
650
621
615
578
536
486
719
749
759
799
837
873
174
178
174
170
164
158
0.77
0.78
0.77
0.75
0.73
0.71
733
760
725
685
644
596
541
477
400
805
827
836
867
906
929
956
984
1011
232
227
227
220
213
205
196
188
179
1.02
1.01
1.0
0.98
0.95
0.92
0.89
0.86
0.83
632
662
624
583
537
485
767
741
774
808
843
882
193
190
188
183
178
170
0.88
0.86
0.86
0.84
0.82
0.8
775
814
766
720
672
617
878
861
885
903
923
945
227
231
226
221
217
211
1.01
1.0
0.99
0.98
0.96
0.94
894
860
859
813
764
710
674
573
465
937
950
953
967
980
994
1010
969
1051
295
289
283
283
277
271
263
254
242
1.31
1.29
1.26
1.26
1.24
1.22
1.19
1.16
1.12
Model
Number
Motor
Speed
Low
30
Middle
High
Low
36
Middle
High
CFM
RPM
Watts
Amps
CFM
RPM
Watts
Amps
CFM
RPM
Watts
Amps
CFM
RPM
Watts
Amps
CFM
RPM
Watts
Amps
CFM
RPM
Watts
Amps
CFM(Watts)
External Static Pressure-Inches W.C.[kPa]
0[0] 0.1[.02] 0.2[.05] 0.24[.06] 0.3[.07] 0.4[.10] 0.5[.12] 0.6[.15] 0.7[.17] 0.8[.20]
903
997
948
891
861
809
760
817
755
789
828
846
870
903
305
295
287
283
278
271
263
1.53
1.51
1.49
1.48
1.47
1.46
1.44
1187
1125
1076
1055
1021
974
912
916
875
899
924
935
952
967
324
339
331
321
317
309
302
1.64
1.67
1.66
1.63
1.62
1.61
1.59
1195
1306
1249
1166
1132
1069
1008
937
860
759
956
968
982
987
994
1007
1015
1027
1041
1054
427
417
409
406
400
391
384
375
363
351
2.20
2.18
2.16
2.15
2.15
2.13
2.11
2.09
2.07
2.05
1007
1106
1056
990
960
918
857
818
843
868
878
893
916
941
371
361
349
346
338
328
316
1.62
1.58
1.53
1.52
1.49
1.44
1.4
1153
1269
1213
1131
1097
1069
973
947
920
933
956
965
982
997
410
401
391
385
380
368
357
1.79
1.74
1.70
1.67
1.65
1.60
1.55
1375
1320
1267
1248
1204
1142
1082
1011
919
801
986
996
1007
1011
1018
1030
1040
1051
1063
1079
461
450
440
436
427
416
402
388
376
358
2.01
1.96
1.92
1.90
1.87
1.81
1.76
1.70
1.65
1.57
--- Shaded boxes represent airflow outside the required 300-450 cfm/ton.
NOTES:
1. Airflow based upon dry coil at 230V with no electric heat, no filter.
2. Airflow is equivalent for front or bottom return configurations.
3. SCFM is nearly the same with cooling performance airflow, the gap is in the 1 to 2%.
The air distribution system has the greatest effect on airflow. The duct system is totally controlled by the contractor. For this reason, the contractor
should use only industry-recognized procedures.
Duct design and construction should be carefully done. System performance can be lowered dramatically through bad planning or workmanship.
Air supply diffusers must be selected and located carefully. They must be sized and positioned to deliver air along the perimeter of the space. If
they are too small for their intended airflow, they become noisy. If they are not located properly, they cause drafts. Air grilles must be properly sized
to carry air back to the blower.If they are too small, they also cause noise.
The installers should balance the air distribution system to ensure proper quiet airflow to all rooms in the home. This ensures a comfortable living
space.
9
Section 7. Dimensional Data
6.1 UNIT DIMENSIONS
D
W
W1
D1
Liquid line connection
copper (sweat)(3/8˝dia pipe)
Low voltage
connection
Vapor line connection
copper (sweat)(3/4˝dia pipe)
Breaker switch
(for electric heater
only)
H
High voltage connection
7/8˝ dia knock outs
Front return shown. Units may
also be installed as bottom
return. See the applications
section for more detail.
Retu
rn
air op
ening
Primary drain conncetion 3/4”
female pipe thread (NPT)
Auxiliary drain connection 3/4”
female pipe thread (NPT)
All units are configured for vertical upflow.
Units cannot be installed in any other configuration.
NOTE:Hand tighten only
Fig. 6-1 DIMENSIONS
DIMENSIONAL DATA
MODEL SIZE UNIT HEIGHT
"H" IN. [mm]
18
36-1/2"[928]
36-1/2"[928]
24
39-1/2"[1004]
30
36
39-1/2"[1004]
10
Dimensions inch [mm]
UNIT WEIGHT
UNIT WIDTH UNIT WIDTH UNIT LENGHT UNIT LENGHT /SHIPPING WEIGHT
"W" IN.[mm] "W1" IN.[mm] "D" IN.[mm]
"D1" IN.[mm]
(LBS.[kg])
20-1/2"[522] 17--2/5"[422]
15"[381]
9-1/2"[242]
88/99 [40]/[45]
20-1/2"[522] 17--2/5"[422]
15"[381]
9-1/2"[242]
88/99 [40]/[45]
22"[559]
18--4/5"[477]
19"[483]
9-1/2"[242]
110/121 [50]/[55]
22"[559]
18--4/5"[477]
19"[483]
9-1/2"[242]
110/121 [50]/[55]
***************V1.0
6200 Troup Highway
Tyler, TX 75707
www.trane.com
www.americanstandardair.com
The manufacturer has a policy of continuous product and product
data improvement and reserves the right to change design and
specifications without notice.
© Trane U.S. Inc. 2013
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