Service Manual
Service Manual
2011- 2013
PTAC - R410A Models
Packaged Terminal Air Conditioners
Packaged Terminal Heat Pumps
PD-ServMan-E (4-13)
94991400_02
CUSTOMER SATISFACTION and QUALITY ASSURANCE
Friedrich is a conscientious manufacturer, concerned about customer satisfaction, product quality, and
controlling warranty costs. As an Authorized Service Provider you play a vital role in these areas. By adhering
to the policies and procedures you provide us with vital information on each warranty repair you complete.
This information is used to identify product failure trends, initiate corrective action, and improve product
quality, thereby further reducing warranty expenses while increasing customer satisfaction levels.
CHARGES TO CUSTOMER
The customer/end user is not to be charged for any warranty repairs to correct defects in materials or
workmanship in accordance with the specific warranty provisions outlined in the product’s warranty
certificate.
FRIEDRICH AUTHORIZED PARTS DEPOTS
AAA Refrigeration Service
1322 24th Street, Suite B
Kenner, Louisiana 70062
504-464-7444
877-813-7444
The Gabbert Company
6868 Ardmore
Houston, Texas 77054
713-747-4110
800-458-4110
Alamo Service Company
1450 North Flores Street
San Antonio, Texas 78212
210-227-2450
800-328-2450
Johnstone Supply of Woodside
27-01 Brooklyn Queens Expway
Woodside, New York 11377
718-545-5464
800-431-1143
Reeve Air Conditioning, Inc.
2501 South Park Road
Hallandale, Florida 33009
954-962-0252
800-962-3383
TECHNICAL SUPPORT
CONTACT INFORMATION
FRIEDRICH AIR CONDITIONING CO.
10001 Reunion Place, Ste. 500, San Antonio, TX 78216
(210) 546-0500 877-599-5665 x 261 FAX (210) 546-0630
Email: [email protected]
www.friedrich.com
Printed in the U.S.A.
Table of Contents
Important Safety Information ...........................................2-4
Capillary Tube Systems/Check Valve ..........................33
Introduction .........................................................................4
Reversing Valve — Description/Operation ...................34
General Product Features ..................................................5
Testing Coil ...................................................................34
HVAC Engineering Specifications ......................................6
Checking Reversing Valves .....................................34-35
Component identification ....................................................7
Reversing Valve
Touch Testing Heating/Cooling Cycle ..........................35
Accessories .....................................................................8-9
Unit Identification ..............................................................10
Chassis Specifications ......................................................11
Cooling and Heating Performance ..............................12-13
Electric Heat Data ............................................................14
Electrical Rating Tables ....................................................15
Power Cord Information ..............................................15-17
Remote Wall Thermostat / Low Voltage
Wire Connections ........................................................18-19
Procedure For Changing Reversing Valve ..............35-36
Compressor Checks .....................................................36
Locked Rotor Voltage Test ............................................36
Single Phase Connections ............................................36
Determine Locked Rotor Voltage ..................................36
Locked Rotor Amperage Test ........................................36
Single Phase Running & Locked Rotor Amperage ........36
Checking the Overload ..................................................36
Digital Control Features ....................................................20
External Overload ..........................................................37
Digital Control Operation ..................................................21
Compressor Single Phase Resistance Test ...................37
Digital Control User Input Configuration ...........................22
Compressor Replacement ........................................38-39
Digital Control Diagnostics ................................................23
Routine Maintenance .....................................................39
Malfunction Analysis ....................................................24-26
Troubleshooting Charts .............................................40-41
Components Testing ....................................................27-28
Wiring Diagrams for Wall Mounted Thermostats .......42-43
Refrigeration System Sequence of Operation ...................29
Wiring Diagram .........................................................42-44
Sealed Refrigeration System Repairs ...............................30
RT6 Installation, Operation and Application Guide ...45-46
Refrigerant Charging .........................................................31
Thermistors Resistance Values ................................47-48
Method Of Charging ..........................................................31
Warranty ...............................................................................49
Undercharged Refrigerant Systems .............................31-32
PTAC Exploded View ........................................................50
Overcharged Refrigerant Systems ....................................32
PTAC Parts List - PDE/PDH Models ..........................51- 52
Restricted Refrigerant Systems .........................................32
Addendum: Display Configeration Instructions ........53 - 54
1
IMPORTANT SAFETY INFORMATION
The information contained in this manual is intended for use by a qualified service technician who is familiar
with the safety procedures required for installation and repair, and who is equipped with the proper tools and
test instruments required to service this product.
Installation or repairs made by unqualified persons can result in subjecting the unqualified person making
such repairs as well as the persons being served by the equipment to hazards resulting in injury or electrical
shock which can be serious or even fatal.
Safety warnings have been placed throughout this manual to alert you to potential hazards that may be
encountered. If you install or perform service on equipment, it is your responsibility to read and obey these
warnings to guard against any bodily injury or property damage which may result to you or others.
Your safety and the safety of others are very important.
We have provided many important safety messages in this manual and on your appliance. Always read
and obey all safety messages.
This is a safety Alert symbol.
This symbol alerts you to potential hazards that can kill or hurt you and others.
All safety messages will follow the safety alert symbol with the word “WARNING”
or “CAUTION”. These words mean:
WARNING
You can be killed or seriously injured if you do not follow instructions.
CAUTION
You can receive minor or moderate injury if you do not follow instructions.
All safety messages will tell you what the potential hazard is, tell you how to reduce the chance of injury,
and tell you what will happen if the instructions are not followed.
NOTICE
2
A message to alert you of potential property damage will have the
word “NOTICE”. Potential property damage can occur if instructions
are not followed.
PERSONAL INJURY OR DEATH HAZARDS
ELECTRICAL HAZARDS:
•
Unplug and/or disconnect all electrical power to the unit before performing inspections, maintenance,
or service.
•
Make sure to follow proper lockout/tag out procedures.
•
Always work in the company of a qualified assistant if possible.
•
Capacitors, even when disconnected from the electrical power source, retain an electrical charge
potential capable of causing electric shock or electrocution.
•
Handle, discharge, and test capacitors according to safe, established, standards, and approved
procedures.
•
Extreme care, proper judgment, and safety procedures must be exercised if it becomes necessary to
test or troubleshoot equipment with the power on to the unit.
•
Do not spray or pour water on the return air grille, discharge air grille, evaporator coil, control panel,
and sleeve on the room side of the air conditioning unit while cleaning.
•
Electrical component malfunction caused by water could result in electric shock or other electrically
unsafe conditions when the power is restored and the unit is turned on, even after the exterior is dry.
•
Never operate the A/C unit with wet hands.
•
Use air conditioner on a single dedicated circuit within the specified amperage rating.
•
Use on a properly grounded outlet only.
•
Do not remove ground prong of plug.
•
Do not cut or modify the power supply cord.
•
Do not use extension cords with the unit.
•
Follow all safety precautions and use proper and adequate protective safety aids such as: gloves,
goggles, clothing, adequately insulated tools, and testing equipment etc.
•
Failure to follow proper safety procedures and/or these warnings can result in serious injury or death.
REFRIGERATION SYSTEM HAZARDS:
•
Use approved standard refrigerant recovering procedures and equipment to relieve pressure before
opening system for repair.
•
Do not allow liquid refrigerant to contact skin. Direct contact with liquid refrigerant can result in minor
to moderate injury.
•
Be extremely careful when using an oxy-acetylene torch. Direct contact with the torch’s flame or hot
surfaces can cause serious burns.
•
Make sure to protect personal and surrounding property with fire proof materials.
•
Have a fire extinguisher at hand while using a torch.
•
Provide adequate ventilation to vent off toxic fumes, and work with a qualified assistant whenever
possible.
•
Always use a pressure regulator when using dry nitrogen to test the sealed refrigeration system for
leaks, flushing etc.
3
•
Make sure to follow all safety precautions and to use proper protective safety aids such as: gloves,
safety glasses, clothing etc.
•
Failure to follow proper safety procedures and/or these warnings can result in serious injury or death.
MECHANICAL HAZARDS:
•
Extreme care, proper judgment and all safety procedures must be followed when testing,
troubleshooting, handling, or working around unit with moving and/or rotating parts.
•
Be careful when, handling and working around exposed edges and corners of sleeve, chassis, and
other unit components especially the sharp fins of the indoor and outdoor coils.
•
Use proper and adequate protective aids such as: gloves, clothing, safety glasses etc.
•
Failure to follow proper safety procedures and/or these warnings can result in serious injury or death.
PROPERTY DAMAGE HAZARDS
FIRE DAMAGE HAZARDS:
•
Read the Installation/Operation Manual for this air conditioning unit prior to operating.
•
Use air conditioner on a single dedicated circuit within the specified amperage rating.
•
Connect to a properly grounded outlet only.
•
Do not remove ground prong of plug.
•
Do not cut or modify the power supply cord.
•
Do not use extension cords with the unit.
•
Failure to follow these instructions can result in fire and minor to serious property damage.
WATER DAMAGE HAZARDS:
•
Improper installation maintenance, or servicing of the air conditioner unit, or not following the above
Safety Warnings can result in water damage to personal items or property.
•
Insure that the unit has a sufficient pitch to the outside to allow water to drain from the unit.
•
Do not drill holes in the bottom of the drain pan or the underside of the unit.
•
Failure to follow these instructions can result in result in damage to the unit and/or minor to serious
property damage.
INTRODUCTION
This service manual is designed to be used in conjunction with the installation manuals provided with each unit.
This service manual was written to assist the professional HVAC service technician to quickly and accurately
diagnose and repair any malfunctions of this product.
This manual, therefore, will deal with all subjects in a general nature. (i.e. All text will pertain to all models).
IMPORTANT: It will be necessary for you to accurately identify the unit you are
servicing, so you can be certain of a proper diagnosis and repair.
(See Unit Identification.)
4
General Product Features
DIAMONBLUE
TECHNOLOGY
Diamonblue seacoast protection protects the outdoor coil from harsh environments. Comes standard
on all models.
DIGITAL DEFROST
THERMOSTAT
The new Friedrich PTAC uses a digital thermostat to accurately monitor the outdoor coil conditions to allow the heat pump to run whenever conditions are correct. Running the PTAC in heat pump mode saves
energy and reduces operating costs. The digital thermostat allows maximization of heat pump run time.
INSTANT HEAT
HEAT PUMP MODE
Heat pump models will automatically run the electric heater to quickly bring the room up to temperature
when initially energized, then return to heat pump mode. This ensures that the room is brought up to
temperature quickly without the usual delay associated with heat pump units.
EVEN HEAT MONITORING
of the setpoint. If necessary, the unit will cycle the electric heat to maintain the temperature. This feature
-
The owner may choose between fan cycling or fan continuous mode based on property preference. (Note:
Even heat monitoring and quiet start/stop fan delay only operate in fan cycle mode) Fan continuous mode is
SEPARATE HEAT/COOL
FAN CYCLE
CONTROL
energy by only operating the fan while the compressor or electric heater is operating. The ability to set the
fan cycling condition independently between heating and cooling mode will increase user comfort by
allowing the choice of only constantly circulating air in the summer or winter time. Unlike other PTAC
brands that only allow one selection.
EMERGENCY
HEAT OVERRIDE
In the event of a compressor failure in heat pump mode, the compressor may be locked out to provide
heat through the resistance heater. This feature ensures that even in the unlikely event of a compressor
failure, the room temperature can be maintained until the compressor can be serviced.
DESK CONTROL
READY
All Friedrich digital PTACs have low voltage terminals ready to connect a desk control energy management system. Controlling the unit from a remote location like the front desk can reduce energy usage and
requires no additional accessories on the PTAC unit.
INDOOR COIL
FROST SENSOR
temperatures cause the indoor coil to freeze. When the indoor coil reaches 30°F, the compressor is
disabled and the fan continues to operate based on demand. Once the coil temperature returns to 45°F,
the compressor returns to operation.
ULTRA QUIET
AIR SYSTEM
The new Friedrich PD series units feature an indoor fan system design that reduces sound levels without
HIGH EFFICIENCY
The Friedrich PTAC has been engineered so that all functional systems are optimized so that they work
together to deliver the highest possible performance.
DUAL MOTOR
With Friedrich’s new dual-motor design the indoor motor can run at slower speeds which reduces sound
levels indoors.
ROTARY COMPRESSOR
ciency.
STAINLESS STEEL
ENDPLATES
Outdoor coil endplates made from stainless steel reduce corrosion on the outdoor coil common with other
coil designs.
TOP -MOUNTED
ANTIMICROBIAL
AIR FILTERS
front cover.
FILTERED FRESH
AIR INTAKE
Friedrich PTAC units are capable of introducing up to 75 CFM of outside air into the conditioned space.
The outdoor air passes through a washable mesh screen to prevent debris from entering the airstream.
R-410A REFRIGERANT
Friedrich PTAC units use environmentally-friendly refrigerant.
-
5
Digital Packaged Terminal Air Conditioners & Heat Pumps
Cooling: 7600 – 15,000 Btuh
Heating: 7600 – 14500 Btuh (Heat Pump)
6824 – 17060 Btuh (Electric Heat)
Friedrich Models: PDE – Cooling with or without electric heat
PDH – Heat Pump with electric heat
All units shall be factory assembled, piped, wired and fully charged with
310 for air conditioners and ARI standard 380 for heat pumps. Units
shall be UL listed and carry a UL label. All units shall be factory runtested to check operation and be Friedrich or equivalent.
The basic unit shall not exceed 16” high x 42” wide. Overall depth
of the unit from the rear of the Friedrich wall sleeve to the front of
the decorative front cover shall not exceed 21 ¼”. The unit shall be
designed so that room intrusion may be as little as 7 ½”. Installations
in walls deeper than 13 ¼” may be accomplished with the use of a
deep wall sleeve (PDXWSEXT). Unit shall draw in ambient air through
both sides of an outdoor architectural louver or grille measuring 42”
wide x 16” high and shall exhaust air out middle por tion of the louver.
The architectural louver and wall sleeve shall be designed so that the
louver may be installed from the inside of the building.
The unit must have the following energy saving and convenience
features built-in:
• Quiet start/stop fan delay
• Fan cycle control for cooling and heating independently
• Room freeze protection
• Random compressor restart
• Electronic temperature limiting
The PTAC must also offer the ability to be controlled by a remote wallmounted thermostat without additional accessories. Low voltage inputs
will include: C (common), R (24V power), Y (cooling), GL (fan low), GH
(fan high), W (heat) and O (reversing valve on PDH heat pumps only).
REFRIGERATION SYSTEM – The refrigeration system shall be hermetically sealed and consist of a rotary compressor that is externally
mounted on vibration isolators no smaller than 1 3/8” dia. x 1 ½” high;
condenser and evaporator coils constructed of copper tubes and
PTAC models shall use a single stage cool / single stage heat thermostat. PTHP models shall use a single stage cool / two-stage heat
thermostat. An accessory thermostat must be available from the
manufacturer, RT6 or equivalent. The RT6 thermostat will provide
temperature setpoint, mode selection from cool, heat and fan modes.
The thermostat must also allow the selection of fan speed between
high and low speed.
and have a drain pan capable of retaining 1 ½ gallons of condensate.
A tertiary condensate removal system shall also be incorporated for
Other controls accessible without removal of the chassis shall include
fan cycle switch, fresh air vent control and emergency heat override
switch (heat pump only).
of the building as a safeguard against damage to the interior room.
INDOOR AIR HANDLING SECTION – The indoor air handling section shall consist of a tangential blower wheel direct driven by a totally
enclosed motor. The air handling system shall be designed to minimize
ELECTRICAL CONNECTION – All PTAC/PTHP units shall come from
the factory with a power cord installed. All 230/208V power cords shall
feature a leakage current detection device on the plug head. All units
shall feature a 6-pin connector for removal of the power cord. The
power cord shall be interchangeable to allow changes to the heater
output based on the property/electrical requirements.
fan must have three fan speeds that may be selected by the user.
throughout the room. The grille shall be reversible to allow a change
personal injury or damage to the unit.
GENERAL CONSTRUCTION – The wall sleeve shall be constructed
of 18-gauge Galvanized zinc-coated steel. It shall be prepared by
a process where it is zinc phosphate pretreated and sealed with a
cured for durability. The sleeve shall be shipped with a protective
weatherboard and a structural center support, and be insulated for
shipped separately and made from stamped or extruded anodized
aluminum. All louvers shall be in the horizontal plane.
and reusable by cleaning with water or by vacuuming.
The chassis shall have a built-in damper capable of providing at least
damper closed to ensure a proper seal.
OUTDOOR AIR HANDLING SECTION – The outdoor air section
shall consist of a single injection molded fan shroud that incorporates
the outdoor motor mount into a single piece for ease of service and
assembly. The outdoor motor shall be totally enclosed, ball-bearing,
permanently lubricated and directly drive the outdoor fan/slinger ring.
CONTROLS – Covered controls shall be accessible in a compartment
at least 7½” wide with the controls no deeper than 1 ¼” in the opening
to facilitate easy operation of the unit.
The unit controls shall feature a soft blue LED readout that can display
either room temperature or setpoint temperature. The unit shall receive input from the digital control panel through push buttons labeled:
‘Cool’, ‘Heat’, ‘High Fan’, ‘Med Fan’, ‘Low Fan’, ‡ ’, ‘ˆ’ and ‘Power’.
When ‘Off’, the unit may be put directly into cooling or heating mode
by pressing the ‘Cool’ or ‘Heat’ button.
6
clips. As an option the cover may be attached by two screws to prevent tampering. The front panel will feature a contoured discharge
with no sharp corners.
CORROSION PROTECTION – The unit shall have corrosion-resistant
fans, fan shroud and drain pan for corrosion protection and to prevent
rust on the side of the building below the outdoor louver. The unit shall
rioration. The outdoor coil shall have Diamonblue corrosion protection
applications including seacoast environments. All outdoor coils shall
also have stainless steel endplates to eliminate rusting of the endplates.
WARRANTY – The warranty is one year on all parts and 5 years on
the sealed system including compressor, indoor and outdoor coils and
refrigerant tubing.
Component Identification
Typical Unit Components and Dimensions
WALL SLEEVE
DISCHARGE
GRILLE
OUTDOOR GRILLE
FILTERS
CHASSIS
RETURN AIR GRILLE
FRONT COVER
PDXWS Wall Sleeve Dimensions:
16" H x 42" W x 13-¾" D
Front Cover Dimensions:
16" H x 42" W x 7-¾" D
Cut-Out Dimensions:
16-¼" x 42-¼"
7
Accessories
New Construction Accessories
PDXWS
WALL SLEEVE Galvanized zinc coated steel is prepared in an 11-step
oven for exceptional durability. The wall sleeve is insulated for sound
PDXWS
PDXWSEXT
DEEP WALL SLEEVE EXTENSION For use when the wall is thicker
than 13 1/4”deep. The wall sleeve may be special ordered through your
ments..
PDXWSEXT
PXGA
GRILLE Standard, stamped aluminium, anodized to resist chalking and
oxidation.
PXAA
PXBG
PXSC
ARCHITECTURAL GRILLES Consist of heavy-gauge 6063-T5 aluminum alloy:
PXAA – Clear, extruded aluminum
PXBG – Beige acrylic enamel
PXSC – Also available in custom colors.
PXGA
PXAA
PXDR10
PXSB
RT6
CONDENSATE DRAIN KIT Attaches to the bottom of the wall sleeve for
nal draining. Recommended on all units to remove excess condensate.
Packaged in quantities of ten.
DECORATIVE SUBBASE Provides unit support for walls less than
ing brackets for electrical accessories. Accepts circuit breaker, power
disconnect switch, or conduit kit.
DIGITAL REMOTE WALL THERMOSTAT Single stage cool, single
stage heat for PDE models or single stage cool, dual stage heat for
PDH model thermostat features high/low fan speed switch. Thermostat
is hard wired and can be battery powered or unit powered. Features
Friedrich PTACs and Vert-I-Paks.
8
PDXRTA
REMOTE THERMOSTAT ESCUTCHEON KIT This kit contains ten
escutcheons that can be placed over the factory control buttons when
a remote wall mounted thermostat is used. The escutcheon directs the
guest to the wall thermostat for operation and retains the LED window to
display error codes and diagnostic information.
PXSE
SLEEVE EXTENSION RETROFIT KIT Galvanized zinc coated steel,
2.4" sleeve extension attached to the room side of the sleeve to allow for
the installation of a PD-Series Friedrich PTAC in a T-Series sleeve.
PDXDAA
LATERAL DUCT ADAPTER Attaches to the PTAC/PTHP unit and
provides a transition to direct up to 35% of the total CFM to a secondary room, either left or right of the unit. Kit includes duct plenum with
PDXDEA
LATERAL DUCT EXTENSION A three-foot insulated plenum that attaches to the left or right side of the duct adapter. The extension can be
cut to length by the installer. Maximum allowable straight extension is 15
feet.
Accessories
New Construction Accessories
PXCJA
CONDUIT KIT WITH JUNCTION BOX Hard wire conduit kit with
junction box for 208/230V and 265V units (subbase not required). Kit
includes a means of quick disconnect for easy removal of the chassis.
*Required for 265V installations.
PXFTA
REPLACEMENT FILTER PACK These are original equipment return air
chassis).
9
UNIT IDENTIFICATION
Model Number Code
PD H 07 K 3
S F
A
Series
PD = P Series Digital PTAC
Engineering Digit
Design Series
System
E = Cooling with or
without electric heat
Options
H = Heat Pump with
Auxiliary Heat
S = Standard
Nominal Cooling Capacity
07 = 7000 BTUh
09 = 9000 BTUh
12 = 12000 BTUh
15 = 15000 BTUh
Nominal Heater Size
(@ 230V or 265V)
0 = No Heater
2 = 2KW
3 = 3KW
5 = 5.0KW
Voltage
K = 208/230V - 1Ph. - 60Hz.
R = 265V - 1Ph. - 60Hz.
PTAC Serial Number Identification Guide
SERIAL NUMBER
A
A
YEAR MANUFACTURED
LJ = 2009 AE = 2015
AK = 2010 AF = 2016
AA = 2011 AG = 2017
AB = 2012 AH = 2018
AC = 2013 AJ = 2019
AD = 2014
MONTH MANUFACTURED
A = Jan
D = Apr
G = Jul
B = Feb
E = May
H = Aug
C = Mar
F = Jun
J = Sep
10
A
M
00001
PRODUCTION RUN NUMBER
PRODUCT LINE
M = PTAC
K = Oct
L = Nov
M = Dec
Chassis Specifications
PDE Series
PERFORMANCE DATA:
COOLING BTUh
POWER (WATTS)
EER
DEHUMIDIFICATION (pints/hr)
SENSIBLE HEAT RATIO
ELECTRICAL DATA:
VOLTAGE (1 PHASE, 60 Hz)
VOLT RANGE
CURRENT (AMPS)
POWER FACTOR
Compressor LRA
Compressor RLA
Fan motor horsepower
AIRFLOW DATA:
INDOOR CFM, HIGH
INDOOR CFM, MED
INDOOR CFM, LOW
VENT CFM
PHYSICAL DATA:
DIMENSIONS
NET WEIGHT
SHIPPING WEIGHT
R-410A CHARGE (oz)
Dim.s w/ Pkg.
PDE07K
PDE07R
PDE09K
PDE09R
PDE12K
PDE12R
PDE15K
PDE15R
7700/7600
640/620
12.0/12.2
1.7
0.84
7700
640
12.0
1.7
0.84
9000/8800
800/770
11.3/11.4
2.2
0.81
9000
800
11.3
2.2
0.81
12000/11800
1120/1120
10.7/10.5
2.7
0.67
12000
1120
10.7
2.7
0.67
15000/14600
1530/1510
9.8/9.7
3.2
0.65
15000
1530
9.8
3.2
0.65
230/208
253-187
2.8/3.0
0.97
19.0
2.8
0.024
265
292-239
2.4
0.99
12.0
2.4
0.024
230/208
253-187
3.7/3.9
0.99
17.0
3.7
0.029
265
292-239
3.7
0.99
18.0
2.9
0.029
230/208
253-187
5.1/5.3
0.99
27.00
5.0
0.031
265
292-239
4.8
0.99
23.0
4.3
0.031
230/208
253-187
6.7/7.5
0.99
32.6
6.6
0.031
265
292-239
5.9
0.99
27.8
5.6
0.031
345/315
320/290
295/265
75
345
320
295
75
360/345
330/305
300/270
75
360
330
300
75
360/350
330/310
310/280
75
360
330
310
75
385/375
360/330
320/290
75
385
360
320
75
16x42x13 3/4
119
139
38.1
16x42x13 3/4
119
139
40.21
16x42x13 3/4 16x42x13 3/4 16x42x13 3/4 16x42x13 3/4 16x42x13 3/4
16x42x13 3/4
106
106
111
111
116
116
126
126
131
131
136
136
23.63
24.69
33.51
33.51
35.27
35.98
19.75x23x 43.5 (all models)
PDH Series
PERFORMANCE DATA:
COOLING BTUh
POWER (WATTS) cool
EER
REVERSE HEATING BTUh
POWER (WATTS) HEAT
COP
DEHUMIDIFICATION (pints/hr)
SENSIBLE HEAT RATIO
ELECTRICAL DATA:
VOLTAGE (1 PHASE, 60 Hz)
VOLT RANGE
CURRENT (AMPS)
REVERSE HEAT. Amps
POWER FACTOR
Compressor LRA
Compressor RLA
Fan motor horsepower
AIRFLOW DATA:
INDOOR CFM, HIGH
INDOOR CFM, MED
INDOOR CFM, LOW
VENT CFM
PHYSICAL DATA:
DIMENSIONS
NET WEIGHT
SHIPPING WEIGHT
R-410A CHARGE (oz)
PDH07K
PDH07R
PDH09K
PDH09R
PDH12K
PDH12R
PDH15K
PDH15R
7700/7600
640/620
12.0/12.2
6300/6100
540/530
3.4/3.4
1.7
0.84
7700
640
12
6300
540
3.4
1.7
0.84
9000/8800
800/770
11.3/11.4
8100/7900
720/770
3.3/3.3
2.2
0.81
9000
800
11.3
8100
720
3.3
2.2
0.81
12000/11800
1120/1120
10.7/10.5
10700/10500
1010/990
3.1/3.1
2.7
0.67
12000
1120
10.7
10700
1010
3.1
2.7
0.67
14500/14200
1480/1460
9.8/9.7
13300/13000
1300/1270
3.0/3.0
3.2
0.65
14500
1480
9.8
13300
1300
3
3.2
0.65
230/208
253-187
2.8/3.0
2.4/2.5
0.97
19.0
2.8
0.024
265
292-239
2.4
2.1
0.99
12.0
2.4
0.024
230/208
253-187
3.7/3.9
3.4/3.8
0.99
18.5
3.6
0.029
265
292-239
3.7
3.4
0.99
19.0
3.2
0.029
230/208
253-187
5.1/5.3
4.5/4.7
0.99
27.00
5.0
0.031
265
292-239
4.8
4.5
0.99
23.0
4.3
0.031
230/208
253-187
6.7/7.5
5.8/6.2
0.98
36.0
6.5
0.031
265
292-239
5.7
5.0
0.98
26.0
5.3
0.031
345/315
320/290
295/265
75
345
320
295
75
360/345
330/305
300/270
75
360
330
300
75
360/350
330/310
310/280
75
360
330
310
75
420/390
410/380
380/350
75
385
360
320
75
16x42x13.5
108
128
23.63
16x42x13.5
108
128
24.69
16x42x13.5
113
133
33.51
16x42x13.5
113
133
35.27
16x42x13.5
118
138
35.27
16x42x13.5
118
138
35.98
16x42x13.5
121
141
39.86
16x42x13.5
123
143
36.33
250 V Receptacles and Fuse Types
AMPS
15
20
30
HEATER SIZE
0, 2.0 kW
3.0 kW
5.0 kW
RECEPTACLE
11
Cooling & Heating Performance
PDE 230V - Extended Cooling Performance
OUTDOOR DRY BULB TEMP. (DEGREES F AT 40% R.H.)
75
85
95
105
110
INDOOR WET BULB TEMP. (DEGREES F AT 80 F D.B.)
PDE07
PDE09
PDE12
PDE15
BTUh
WATTS
AMPS
SHR
BTUh
WATTS
AMPS
SHR
BTUh
WATTS
AMPS
SHR
BTUh
WATTS
AMPS
SHR
72
9055
522
2.3
0.53
10584
653
3.1
0.49
14112
914
4.2
0.49
17640
1248
5.5
0.47
67
8709
531
2.3
0.72
10179
663
3.1
0.66
13572
928
4.2
0.66
16965
1268
5.6
0.63
62
8062
536
2.4
0.96
9423
670
3.1
0.89
12564
939
4.3
0.89
15705
1282
5.6
0.85
72
8624
569
2.5
0.54
10080
711
3.3
0.5
13440
996
4.5
0.5
16800
1360
6
0.48
67
8131
575
2.5
0.74
9504
718
3.3
0.69
12672
1006
4.6
0.69
15840
1374
6
0.66
62
7500
582
2.5
0.98
8766
727
3.3
0.91
11688
1018
4.6
0.91
14610
1391
6
0.87
72
8285
640
2.8
0.54
9684
800
3.7
0.5
12912
1120
5.1
0.5
16140
1530
6.7
0.48
67
7700
640
2.80
0.77
9000
800
3.70
0.71
12000
1120
5.10
0.71
15000
1530
6.70
0.68
62
6815
640
2.8
0.99
7965
800
3.7
0.91
10620
1120
5.1
0.91
13275
1530
6.7
0.87
72
7762
692
3
0.55
9072
865
4
0.51
12096
1211
5.5
0.51
15120
1654
7.2
0.49
67
6892
691
3
0.81
8055
864
4
0.75
10740
1210
5.5
0.75
13425
1652
7.2
0.72
62
6075
693
3
0.99
7101
866
4
0.92
9468
1213
5.5
0.92
11835
1657
7.2
0.88
72
6907
755
3.3
0.58
8073
943
4.3
0.54
10764
1320
6
0.54
13455
1804
7.9
0.51
67
5944
755
3.3
0.87
6948
943
4.3
0.8
9264
1320
6
0.8
11580
1804
7.9
0.77
62
5251
758
3.3
0.99
6138
947
4.4
0.91
8184
1326
6
0.91
10230
1812
7.9
0.87
RATING POINT
ARI 310/380
PDH 230V - Extended Cooling Performance
75
PDH07
PDH09
PDH12
PDH15
BTUh
WATTS
AMPS
SHR
BTUh
WATTS
AMPS
SHR
BTUh
WATTS
AMPS
SHR
BTUh
WATTS
AMPS
SHR
72
9055
522
2.3
0.53
10584
653
3.1
0.49
14112
914
4.2
0.49
17052
1208
5.4
0.48
67
8709
531
2.3
0.72
10179
663
3.1
0.66
13572
928
4.2
0.66
16400
1227
5.5
0.65
OUTDOOR DRY BULB TEMP. (DEGREES F AT 40% R.H.)
95
INDOOR WET BULB TEMP. (DEGREES F AT 80 F D.B.)
67
62
72
67
62
72
8131
7500
8285
6815
7762
7700
575
582
640
640
692
640
2.5
2.5
2.8
2.8
3
2.80
0.74
0.98
0.54
0.99
0.55
0.77
9504
8766
9684
7965
9072
9000
718
727
800
800
865
800
3.3
3.3
3.7
3.7
4
3.70
0.69
0.91
0.5
0.91
0.51
0.71
12672
11688
12912
10620
12096
12000
1006
1018
1120
1120
1211
1120
4.6
4.6
5.1
5.1
5.5
5.10
0.69
0.91
0.5
0.91
0.51
0.71
15312
14123
15602
12833
14616
14500
1329
1345
1480
1480
1600
1480
5.9
5.9
6.5
6.6
7.1
6.6
0.68
0.89
0.49
0.9
0.5
0.70
85
62
8062
536
2.4
0.96
9423
670
3.1
0.89
12564
939
4.3
0.89
15182
1240
5.5
0.88
72
8624
569
2.5
0.54
10080
711
3.3
0.5
13440
996
4.5
0.5
16240
1316
5.9
0.49
105
67
6892
691
3
0.81
8055
864
4
0.75
10740
1210
5.5
0.75
12978
1598
7.1
0.74
110
62
6075
693
3
0.99
7101
866
4
0.92
9468
1213
5.5
0.92
11441
1603
7.1
0.9
72
6907
755
3.3
0.58
8073
943
4.3
0.54
10764
1320
6
0.54
13007
1745
7.7
0.53
67
5944
755
3.3
0.87
6948
943
4.3
0.8
9264
1320
6
0.8
11194
1745
7.7
0.79
RATING POINT
ARI 310/380
Extended Heating Performance
OUTDOOR DRY BULB TEMP. (DEGREES F)
PDH07
PDH09
PDH12
PDH15
12
37
42
47
52
57
BTUh
5250
5540
6300
6900
7620
580
WATTS
509
518
540
549
AMPS
2.3
2.4
2.4
2.5
2.6
BTUh
6005
6399
8100
8647
9245
735
WATTS
647
656
720
725
AMPS
3.3
3.3
3.4
3.4
3.5
BTUh
7726
8531
10700
11278
12234
1073
WATTS
883
917
1010
1039
AMPS
4
4.1
4.5
4.7
4.9
BTUh
10530
10850
13300
14550
15940
WATTS
1197
1212
1300
1377
1439
AMPS
5.3
5.4
5.8
RATING POINT
ARI 310/380
6.1
6.3
62
5251
758
3.3
0.99
6138
947
4.4
0.91
8184
1326
6
0.91
9889
1752
7.7
0.9
Cooling & Heating Performance
PDE 265V - Extended Cooling Performance
75
PDE07
PDE09
PDE12
PDE15
85
OUTDOOR DRY BULB TEMP. (DEGREES F AT 40% R.H.)
95
105
INDOOR WET BULB TEMP. (DEGREES F AT 80 F D.B.)
72
62
72
67
62
72
67
62
72
67
BTUh
9055
8709
8062
8624
8131
7500
8285
110
67
62
72
67
62
7700
6815
7762
6892
6075
6907
5944
5251
758
WATTS
522
531
536
569
575
582
640
640
640
692
691
693
755
755
AMPS
2
2
2
2.1
2.1
2.2
2.4
2.40
2.4
2.6
2.6
2.6
2.8
2.8
2.8
SHR
0.53
0.72
0.96
0.54
0.74
0.98
0.54
0.77
0.99
0.55
0.81
0.99
0.58
0.87
0.99
BTUh
10584
10179
9423
10080
9504
8766
9684
9000
7965
9072
8055
7101
8073
6948
6138
WATTS
653
663
670
711
718
727
800
800
800
865
864
866
943
943
947
AMPS
3.1
3.1
3.1
3.3
3.3
3.3
3.7
3.70
3.7
4
4
4
4.3
4.3
4.4
SHR
0.49
0.66
0.89
0.5
0.69
0.91
0.5
0.71
0.91
0.51
0.75
0.92
0.54
0.8
0.91
BTUh
14112
13572
12564
13440
12672
11688
12912
12000
10620
12096
10740
9468
10764
9264
8184
914
928
939
996
1006
1018
1120
1120
1120
1211
1210
1213
1320
1320
1326
WATTS
AMPS
4
4
4
4.3
4.3
4.3
4.8
4.80
4.8
5.2
5.2
5.2
5.6
5.6
5.7
SHR
0.49
0.66
0.89
0.5
0.69
0.91
0.5
0.71
0.91
0.51
0.75
0.92
0.54
0.8
0.91
BTUh
17640
16965
15705
16800
15840
14610
16140
15000
13275
15120
13425
11835
13455
11580
10230
WATTS
1248
1268
1282
1360
1374
1391
1530
1530
1530
1654
1652
1657
1804
1804
1812
AMPS
4.9
4.9
5
5.3
5.3
5.3
5.9
5.90
5.9
6.3
6.3
6.4
6.9
6.9
7
SHR
0.47
0.63
0.85
0.48
0.66
0.87
0.48
0.87
0.68
RATING POINT
ARI 310/380
0.49
0.72
0.88
0.51
0.77
0.87
PDH 265V - Extended Cooling Performance
75
PDH07
PDH09
PDH12
PDH15
85
OUTDOOR DRY BULB TEMP. (DEGREES F AT 40% R.H.)
95
INDOOR WET BULB TEMP. (DEGREES F AT 80 F D.B.)
62
72
67
62
72
72
67
62
72
67
BTUh
9055
8709
8062
8624
8131
7500
8285
WATTS
522
531
536
569
575
582
AMPS
2
2
2
2.1
2.1
2.2
SHR
0.53
0.72
0.96
0.54
0.74
BTUh
105
110
67
62
72
67
62
7700
6815
7762
6892
6075
6907
5944
5251
640
640
640
692
691
693
755
755
758
2.4
2.40
2.4
2.6
2.6
2.6
2.8
2.8
2.8
0.98
0.54
0.77
0.99
0.55
0.81
0.99
0.58
0.87
0.99
10584
10179
9423
10080
9504
8766
9684
9000
7965
9072
8055
7101
8073
6948
6138
WATTS
653
663
670
711
718
727
800
800
800
865
864
866
943
943
947
AMPS
3.1
3.1
3.1
3.3
3.3
3.3
3.7
3.70
3.7
4
4
4
4.3
4.3
4.4
SHR
0.49
0.66
0.89
0.5
0.69
0.91
0.5
0.71
0.91
0.51
0.75
0.92
0.54
0.8
0.91
BTUh
14112
13572
12564
13440
12672
11688
12912
12000
10620
12096
10740
9468
10764
9264
8184
914
928
939
996
1006
1018
1120
1120
1120
1211
1210
1213
1320
1320
1326
WATTS
4
4
4
4.3
4.3
4.3
4.8
4.80
4.8
5.2
5.2
5.2
5.6
5.6
5.7
SHR
AMPS
0.49
0.66
0.89
0.5
0.69
0.91
0.5
0.71
0.91
0.51
0.75
0.92
0.54
0.8
0.91
BTUh
17052
16400
15182
16240
15312
14123
15602
14500
12833
14616
12978
11441
13007
11194
9889
WATTS
1208
1227
1240
1316
1329
1345
1480
1480
1480
1600
1598
1603
1745
1745
1752
AMPS
4.7
4.7
4.8
5.1
5.1
5.1
5.7
5.7
5.7
6.1
6.1
6.2
6.7
6.7
6.7
SHR
0.48
0.65
0.88
0.49
0.68
0.89
0.49
0.70
RATING POINT
ARI 310/380
0.9
0.5
0.74
0.9
0.53
0.79
0.9
Extended Heating Performance
OUTDOOR DRY BULB TEMP. (DEGREES F)
PDH07
PDH09
PDH12
PDH15
37
42
47
52
57
BTUh
5250
5540
6300
6900
7620
WATTS
509
518
540
549
580
AMPS
2.3
2.4
2.4
2.5
2.6
BTUh
6005
6399
8100
8647
9245
WATTS
647
656
720
725
735
AMPS
3.3
3.3
3.4
3.4
3.5
BTUh
7726
8531
10700
11278
12234
WATTS
883
917
1010
1039
1073
AMPS
4
4.1
4.5
4.7
4.9
BTUh
10530
10850
13300
14550
15940
WATTS
1197
1212
1300
1377
1439
AMPS
4.5
4.6
5
RATING POINT
ARI 310/380
5.3
5.5
13
Electric Heat Data
Electric Heat Data
PDE07K0
HEATER WATTS
PDE/PDH07K
PDE/PDH07R
0 Kw
2000
1635
3000
2450
230/208
230
208
230
208
HEATING BTUh
0
6824
5580
10236
8360
6824
10236
HEATING CURRENT (AMPS)
0
8.9
7.9
13.2
12.2
7.6
11.4
MINIMUM CIRCUIT AMPACITY
4.0
11.4
10.0
16.8
15.6
9.6
14.6
BRANCH CIRCUIT FUSE (AMPS)
15
15
15
20
20
15
20
VOLTAGE
2000
3000
265
Electric Heat Data
PDE09K0
HEATER WATTS
VOLTAGE
0 Kw
PDE/PDH09K
2000
1635
3000
2450
PDE/PDH09R
5000
4090
2000
3000
5000
230/208
230
208
230
208
230
208
HEATING BTUh
0
6824
5580
10236
8360
17060
13960
6824
10236
265
17060
HEATING CURRENT (AMPS)
0
8.9
7.9
13.2
12.2
21.5
20.5
7.6
11.4
19.0
MINIMUM CIRCUIT AMPACITY
5.2
11.4
10.0
16.8
15.6
27.2
26.0
9.8
14.6
24.1
BRANCH CIRCUIT FUSE (AMPS)
15
15
15
20
20
30
30
15
20
30
Electric Heat Data
PDE12K0
HEATER WATTS
PDE/PDH12K
PDE/PDH12R
0 Kw
2000
1635
3000
2450
5000
4090
230/208
230
208
230
208
230
208
HEATING BTUh
0
6824
5580
10236
8360
17060
13960
6824
10236
17060
HEATING CURRENT (AMPS)
0
8.9
7.9
13.2
12.2
21.5
20.5
7.6
11.4
19.0
MINIMUM CIRCUIT AMPACITY
7.1
11.4
10.0
16.8
15.6
27.2
26.0
9.8
14.6
24.1
BRANCH CIRCUIT FUSE (AMPS)
15
15
15
20
20
30
30
15
20
30
0 Kw
2000
1635
3000
2450
5000
4090
2000
230/208
230
208
230
208
230
208
0
6824
5580
10236
8360
17060
13960
6824
VOLTAGE
2000
3000
5000
265
Electric Heat Data
PDE15K0
HEATER WATTS
VOLTAGE
HEATING BTUh
HEATING CURRENT (AMPS)
14
PDE/PDH15K
PDE/PDH15R
3000
5000
265
10236
17060
0
8.9
7.9
13.2
12.2
21.5
20.5
7.6
11.4
19.0
MINIMUM CIRCUIT AMPACITY
9.1
11.4
10.0
16.8
15.6
27.2
26.0
9.8
14.6
24.1
BRANCH CIRCUIT FUSE (AMPS)
15
15
15
20
20
30
30
15
20
30
ELECTRICAL RATING TABLES
WARNING
ELECTRIC SHOCK HAZARD
Turn off electric power before service or
installation. All electrical connections and
wiring MUST be installed by a qualified
electrician and conform to the National
Electrical Code and all local codes which
have jurisdiction. Failure to do so could result
in serious personal injury or death.
NOTE: Use Copper Conductors ONLY. Wire sizes
are per NEC, check local codes for overseas applications.
Table 1
WIRE SIZE
Use ONLY wiring size recommended for
single outlet branch circuit.
FUSE/CIRCUIT
BREAKER
Use ONLY type and size fuse or HACR
circuit breaker indicated on unit’s rating
plate. Proper current protection to the unit
is the responsibility of the owner. NOTE:
A time delay fuse is provided with 265V
units.
GROUNDING
Unit MUST be grounded from branch
circuit through service cord to unit, or
through separate ground wire provided
on permanently connected units. Be sure
that branch circuit or general purpose
outlet is grounded. The field supplied
outlet must match plug on service cord
and be within reach of service cord. Refer
to Table 1 for proper receptacle and fuse
type. Do NOT alter the service cord or
plug. Do NOT use an extension cord.
RECEPTACLE
The field supplied outlet must match plug
on service cord and be within reach of
service cord. Refer to Table 1 for proper
receptacle and fuse type. Do NOT alter
the service cord or plug. Do NOT use an
extension cord.
WIRE SIZING
Use recommended wire size given
in Table 2 and install a single branch
circuit. All wiring must comply with local
and national codes. NOTE: Use copper
conductors only.
250 V Receptacles and Fuse Types
15
AMPS
20*
30
RECEPTACLE
TIME-DELAY TYPE FUSE
(or HACR circuit breaker)
15
20
30
HACR – Heating, Air Conditioning, Refrigeration
* May be used for 15 Amp applications if fused for 15 Amp
NOTE: 265 volt units are hard wired.
Table 2
Recommended branch circuit wire sizes*
NAMEPLATE / MAXIMUM
CIRCUIT BREAKER SIZE
15
20
30
AWG WIRE SIZE**
14
12
10
AWG – American Wire Gauge
* Single circuit from main box
** Based on copper wire, single insulated conductor at 60°C
POWER CORD INFORMATION (230/208V MODELS ONLY)
All Friedrich 230/208V PTAC units are shipped from the
factory with a Leakage Current Detection Interrupter (LCDI)
equipped power cord. The LCDI device meets the UL and
NEC requirements for cord connected air conditioners
effective August 2004.
Typical LCDI Devices
TEST
RESET
TEST
To test your power supply cord:
RESET
WARNING
1. Plug power supply cord into a grounded 3 prong outlet.
2. Press RESET.
3. Press TEST (listen for click; Reset button trips and pops
out).
TEST BEFORE EACH USE
1. PRESS RESET BUTTON
2. PLUG LCDI INTO POWER
RECEPTACLE
3. PRESS TEST BUTTON,
RESET BUTTON SHOULD
POP UP
4. PRESS TEST BUTTON,
FOR USE
DO NOT USE IF ABOVE TEST
FAILS
WHEN GREEN LIGHT IS ON
IT IS WORKING PROPERLY
WARNING
TEST BEFORE EACH USE
1. PRESS RESET BUTTON
2. PLUG LCDI INTO POWER
RECEPTACLE
3. PRESS TEST BUTTON,
RESET BUTTON SHOULD
POP UP
4. PRESS TEST BUTTON,
FOR USE
DO NOT USE IF ABOVE TEST
FAILS
WHEN GREEN LIGHT IS ON
IT IS WORKING PROPERLY
4. Press and release RESET (listen for click; Reset button
latches and remains in). The power supply cord is ready for
operation.
NOTE: The LCDI device is not intended to be used as a
switch.
Once plugged in the unit will operate normally without the
need to reset the LCDI device. If the LCDI device trips and
15/20A LCDI Device
30A LCDI Device
FRP014
15
Model
Heater kW
Power Cord Kit
Voltage
Amperage
Receptacle
PDE07K
0.0
PXPC23000
230/208
15
NEMA.6-15r
PDE/PDH07K
2.0
PXPC23015
230/208
15
NEMA.6-15r
3.0
STD
230/208
20
NEMA.6-20r
PDE09K
0.0
PXPC23000
230/208
15
NEMA.6-15r
PDE/PDH09K
2.0
PXPC23015
230/208
15
NEMA.6-15r
3.0
STD
230/208
20
NEMA.6-20r
5.0
PXPC23030
230/208
30
NEMA.6-30r
PDE12K
0.0
PXPC23000
230/208
15
NEMA.6-15r
PDE/PDH12K
2.0
PXPC23015
230/208
15
NEMA.6-15r
3.0
STD
230/208
20
NEMA.6-20r
PDE15K
PDE/PDH15K
PDE/PDH07R
PDE/PDH09R
PDE/PDH12R
PDE/PDH15R
5.0
PXPC23030
230/208
30
NEMA.6-30r
0.0
PXPC23000
230/208
15
NEMA.6-15r
2.0
PXPC23015
230/208
15
NEMA.6-15r
3.0
PXPC23020
230/208
20
NEMA.6-20r
5.0
STD
230/208
30
NEMA.6-30r
2.0
PXPC26515
265
15
NEMA.6-15r
3.0
STD
265
20
NEMA.6-20r
2.0
PXPC26515
265
15
NEMA.6-15r
3.0
STD
265
20
NEMA.6-20r
5.0
PXPC26530
265
30
NEMA.6-30r
2.0
PXPC26515
265
15
NEMA.6-15r
3.0
STD
265
20
NEMA.6-20r
5.0
PXPC26530
265
30
NEMA.6-30r
2.0
PXPC26515
265
15
NEMA.6-15r
3.0
PXPC26520
265
20
NEMA.6-20r
5.0
STD
265
30
NEMA.6-30r
Electrical Wiring for 265 Volt
Models
To install the line voltage power leads and conduit
to chassis, follow the instructions below.
PXCJA Conduit Kit is required with this setup.
Power Cord Installation
All 265V PTAC/PTHP units come with a factory installed non-LCDI
power cord for use in a subbase. If the unit is to be hard-wired refer to
the instructions below.
NOTE:
It is recommended that the PXSB subbase assembly, the
PXCJA conduit kit (or equivalent) be installed on all hardwire
units. If installing a
mounted unit, make sure the
chassis can be removed from the sleeve for service and
maintenance.
WARNING
Electrical Shock Hazard
Turn off electrical power before service
or installation.
ALL electrical connections and wiring
MUST be installed by a qualified
electrician and conform to the National
Code and all local codes which have
jurisdiction.
Failure to do so can result in property
damage, personal injury and/or death.
16
1.
Follow the removal process of the chassis’s junction box..
listed in the installation manual (Figure 25, step 2, page 19).
2.
.Prepare the 265V (or 230V) power cord for connection to the chassis’ power cord connector by cutting the cord to the appropriate
length (Figure 15). Power cord harness selection shown on Table
above.
TO CHASSIS JUNCTION
STRAIGHT
CONNECTOR
WALL CONNECTION
4.0 IN.
JUNCTION
BOX
GROUND
SCREW
GROUND
WIRE
HARNESS
EXPOSE
WIRES
(1.0 IN.)
18.0 IN.
JUNCTION
BOX COVER
COVER
SCREWS
FRP033
TRIM HARNESS
TO LENGTH
LEADING SIDE FOR
WIRE HARNESS INSERTION
STRIP WIRE ENDS (0.5 IN.)
LOCKNUT
SPACER
TO WALL JUNCTION
CHASSIS
JUNCTION
BOX
FRP032
SPACER
3.
Route the cut ends of harness through the conduit connector
conduit sleeve. Be sure to use the supplied
assembly and
conduit bushing to prevent damage to the cord by the conduit.
CONDUIT
CONNECTOR
The cord should pass through the Locknut, Spacer, Chassis
Junction Box, Conduit Connector, Bushing, then the Conduit
Sleeve. Refer to wire harness insertion diagram.
4.
5.
Route the cut ends of the power cord through the elbow connector
at the other end of the conduit. Tighten screws on elbow connector
to secure conduit sleeve.
Fasten and secure the elbow connector to the wall junction box
cover with locknut. Place and mount the wall junction box with
the four wall mounting screws making sure to pass the wall lines
through the junction box. Connect and join all wall lines with the
stripped ends using wire nuts. Tighten both screws of the wall
junction box cover to junction box.
BUSHING
CONDUIT
SLEEVE
EXITING SIDE FOR
WIRE HARNESS
FRP034
17
Remote Control Thermostat
Installation
Install Thermostat
To control the unit with a wall mounted thermostat
follow the steps below:
1.
Unplug the unit before doing any work.
2.
With the front.cover removed locate the dip switches located below
the Smart Center control panel. Switch Dip switch 2 to the up on
'ON' position.
1.
Approximately 5 ft. from the
2.
Close to or in a frequently used room, preferably on an inside wall.
3.
Remove the low voltage terminal block from the unit.
3.
On a section of wall without pipes or ductwork.
4.
Connect the corresponding terminals from the wall thermostat to
the terminal block.
5.
Replace the terminal block on the unit.
6.
Restore power to the unit.
7.
The unit is now controlled by the wall thermostat only.
8.
If the accessory escutcheon kit (PDXRTA) is to be used, install it
over the existing control panel.
The Thermostat should NOT be mounted:
1.
Close to a window, on an outside wall, or next to a door leading
outside.
2.
Where it can be exposed to direct sunlight or heat, such as the sun,
a lamp,
or any temperature radiating object which
may cause a false reading.
3.
Close to or in the direct
air grilles.
4.
Any areas with poor air circulation, such as a corner, behind a
door, or an alcove.
of supply registers and/or return
Remote Thermostat and Low
Voltage Control Connections
NOTE:.
The unit mounted controls no longer control the unit. To restore
the unit mounted controls move dip switch 2 to the down or
'OFF' position.
Thermostat Connections
R = 24V Power from Unit
Y = Call for Cooling
Remote Thermostat
W = Call for Heating
All Friedrich PD model PTAC units are factory
to be controlled
by either the chassis mounted Smart Center or a 24V remote wall mounted
thermostat. The thermostat may be auto or manual changeover as long as
the control
matches that of the PTAC unit.
O = Reversing Valve Energized in cooling mode (PDH Models Only)
NOTE:
All PDE models require a single stage cool, single stage heat.
thermostat. All PDH models require a single stage cool, dual.
stage heat thermostat with an O reversing valve control. The
Friedrich RT6 thermostat can be
for either model.
GL = Call for Low Fan
GH = Call for High Fan
C = Common Ground
*If only one G terminal is present on thermostat connect to GL for low
speed fan or to GH for high speed fan operation.
Control board with optional PDXRT escutcheon kit installed
FRP029
18
Desk Control Terminals
The Friedrich PD model PTAC has built-in provisions for connection to an
external switch to control power to the unit. The switch can be a central
desk control system or even a normally open door switch.
For desk control operation connect one side of the switch to the D1 terminal
and the other to the D2 terminal. Whenever the switch closes the unit
operation will stop.
NOTE:
The desk control system and switches must be
supplied.
Energy Management
Sometimes known as Front Desk Control, an input is provided so that the
unit can be manually disabled from a remote location. If the unit detects
24Vac on this input, it will automatically turn itself off. If no voltage is
detected on the input , the unit will run normally.
NOTE:
It is the installer's responsibility to ensure that all control.wiring
connections are made in accordance with the installation
instructions. Improper connection of the thermostat control
wiring and/or tampering with the unit's internal wiring can
void the equipment warranty. Other manufacturer's PTACs
and even older Friedrich models may have different control
wire connections. Questions concerning proper connections
to the unit should be directed to Friedrich.
WARNING
Electrical Shock Hazard
Turn off electrical power before service
or installation.
ALL electrical connections and wiring
MUST be installed by a qualified
electrician and conform to the National
Code and all local codes which have
jurisdiction.
Improper connection of the thermostat
control wiring and/or tampering with the
units internal wiring may result in property
damage, personal injury or death.
26
19
FRIEDRICH DIGITAL CONTROL FEATURES
The new Friedrich digital PTAC has state of the art features to improve guest comfort, indoor air quality and conserve
energy. Through the use of specifically designed control software for the PTAC industry Friedrich has accomplished
what other Manufacturers have only attempted – a quiet, dependable, affordable and easy to use PTAC.
Below is a list of standard features on every Friedrich PTAC and their benefit to the owner.
Digital Temperature
Readout
By digitally monitoring desired room temperature the room is controlled more precisely than conventional
systems. The large, easy to read LED display can show either set-point or actual room temperature as
selected by owner.
One-Touch
Operation
When the unit is powered off the unit can be returned directly to heating or cooling mode by pressing the
‘Heat’ or ‘Cool’ buttons without the confusing power up sequence of some controls. One-touch control
takes guess-work out of unit control delivering a more enjoyable experience and eliminating front-desk
calls.
Individual Mode and
Fan Control Buttons
By having separate control buttons and indicators for both fan and mode settings the Friedrich digital control eliminates the confusion of previous digital PTACs. The accurate temperature setting provides greater
guest comfort than other systems.
Quiet Start/Stop
Fan Delay
The fan start and stop delays prevent abrupt changes in room acoustics due to the compressor energizing
or stopping immediately. Upon call for cooling or heating the unit fan will run for five seconds prior to energizing the compressor. Also, the fan off delay allows for “free cooling” by utilizing the already cool indoor
coil to its maximum capacity by running for 30 seconds after the compressor.
Remote Thermostat
Operation
Some applications require the use of a wall mounted thermostat. All new Friedrich PTACs may be switched
from unit control to remote thermostat control easily without the need to order a special model or accessory kit.
Internal Diagnostic
Program
The new Friedrich digital PTAC features a self diagnostic program that can alert maintenance to component failures or operating problems. The internal diagnostic program saves properties valuable time when
diagnosing running problems.
Service Error Code
The self diagnosis program provides error codes shown in the controller display if certain conditions
occur such as extreme high or low operating conditions or activation of the room freeze protection
feature. Dislaying error codes can help properties determine if the unit faced obscure conditions or if an
error occurred and corrected itself.
Electronic
Temperature Limiting
Room Freeze
Protection
Random
Compressor
Restart
20
By limiting the operating range the property can save energy by eliminating “max cool” or “max heat” situations common with older uncontrolled systems. The new electronic control allows owners to set operating
ranges for both heating and cooling independently of one another.
When the PTAC senses that the indoor room temperature has fallen to 40°F the unit will cycle on high fan
and the electric strip heat to raise the room temperature to 46°F then cycle off again. This feature works
regardless of the mode selected and can be turned off. This feature ensures that unoccupied rooms do not
reach freezing levels where damage can occur to plumbing and fixtures.
Multiple compressor starts in a short period (3minutes or less) can often cause electrical overloads and
premature unit failure. The random restart delay adds protection and eliminates those applications with
multiple units from starting at once following a power outage or initial power up. The compressor delay will
range from 180 to 240 seconds.
Digital Control Operation
Digital Control Panel
FRP030
°F vs. °C Display
Heat/Cool Models (PDE)
The unit is factory configured to display all temperatures in degrees
Fahrenheit (°F). To switch to degrees Celsius (°C) press the ‘Low’ Fan
Speed button and ‘Down Temperature Arrow’ buttons simultaneously for
three seconds. The display will show a C (°C) as acknowledgement of the
change. To revert back to F (°F) press the ‘Up Temperature Arrow’ button
once. Press the ‘Cool’ button one time to exit and save.
After pressing the Heat button, adjust the temperature readout to the
desired room temperature and the unit will cycle the resistance heat on
and off to maintain a comfortable room. The heater will come on anytime
that the room temperature is 1.8° F below the desired temperature. The
fan operation is dependent on the fan mode selected, either continuous
or cycling. Dip switch 3 controls the fan mode, see page 23 for setting.
Cooling Mode
Emergency Heat Operation
Pressing the Cool button while the unit is in any mode, including off,
will put the unit into cooling mode. Adjust the temperature readout to the
desired room temperature and the unit will cycle the compressor on and
off to maintain a comfortable room. The compressor will come on anytime
that the room temperature is 1.8° F above the desired temperature. The
fan operation is dependent on the fan mode selected, either continuous
or cycling. See Fan Mode for fan cycle control.
Heating Mode
Pressing the Heat button while the unit is in any mode, including off, will
put the unit into heating mode.
Heat Pump Models (PDH)
When the Heat button is pressed initially the unit will energize the electric
resistance heat to quickly bring the room to the set temperature. When the
desired room temperature falls 1.8° F below the desired set temperature the
unit will cycle the compressor on and operate as a heat pump to maintain
the room temperature while running more efficiently than resistance heat
only models. If the room temperature should fall more than 5° F from the
set temperature the unit will run the resistance heater. The fan operation
is dependent on the fan mode selected, either continuous or cycling. Dip
switch 3 controls the fan mode, see page 23 for setting.
When the outdoor coil temperature falls below 30° F for more than 2 minutes the unit will operate the resistance heaters and not the compressor.
When the outdoor coil temperature reaches 45° F the compressor will be
allowed to operate again.
In the event of a compressor failure in heat pump mode the compressor may
be locked out to provide heat through the resistance heater. This feature
ensures that even in the unlikely event of a compressor failure the room
temperature can be maintained until the compressor can be serviced. Dip
switch 1 controls the emergency heat setting, see page 23.
Fan Mode
All units are shipped with fan mode set to continuous for cooling and cycle
for heating.
Fan Only Mode
Pressing the Fan button will run the fan to allow for air circulation in the
room without operating the compressor or heater regardless of the room
or set temperature. The fan speed selection is made by pressing either
the High Fan, Med Fan or 'Low Fan button.
Cycle/Continuous
The owner may choose between fan cycling or fan continuous mode based
on property preference (Note: Even heat monitoring and quiet start/stop
fan delay only operate in fan cycle mode). Fan continuous mode is used
to keep constant airflow circulation in the room during all times the unit is
ON. Fan cycle will conserve energy by only operating the fan while the
compressor or electric heater is operating. Dip switch 3-4 controls the fan
mode, see page 23 for setting.
24
21
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LOCATION OF
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Setpoint Limit 2
Setpoint Limit 1
Fan CON/CYC for cooling
Fan CON/CYC for heating
Wall Thermostat enable
Electric heat only (for Heat Pumps)
FRP028
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!
22
DIGITAL CONTROL DIAGNOSTICS
The chart below lists malfunctions and their description.
1
Indoor air temp sensor open/short
Display ‘F1’, with STATUS light flash
2
Indoor coil sensor open or short
Display ‘F2’, with STATUS light flash
3
Outdoor coil sensor open/short
Display ‘F4’, with STATUS light flash
4
Freeze Guard protection
Display ‘FP’, with STATUS light flash
5
Indoor coil high temp protection
STATUS light flash 8 times and off 3 sec, repeat
6
Outdoor coil high temp protection
STATUS light flash 6 times and off 3 sec, repeat
7
Indoor coil freeze protection
STATUS light flash 5 times and off 3 sec, repeat
8
Defrost (heat pump type)
STATUS light flash 7 times and off 3 sec, repeat
9
Thermostat wiring error
STATUS light flash 9 times and off 3 sec, repeat
23
MALFUNCTION ANALYSIS
No power supply
Switch is at the OFF position; or socket and plug is
loosened; or power wire has malfunction; or power failure
Fuse is burned out
Replace the fuse
Supply voltage is too low
Inspect the supply voltage. If it is lower 10% of the rated
voltage, pleaselook for the reason, improve the
Switch is broken down
Check if optional switch (ON,OFF) is disconnected with the
wire or it’s with mechanical failure; use the universal meter to
check if contacts of the switch are conducting; if not, replace
it with a new one with the same model and specification
Failure of crystal oscillator or reset circuit
Replace those parts which have malfunction
The wire is loosened
Check the circuit and connect the wire according to the
electric diagram attached to the unit
Transformer is broken
Replace the transformer
Controller is broken
Replace the controller
A/C can’t run
Receiver head is loosened
Receiver head is broken or it isn’t plugged well
First press the “AUTO” button of the manual switch. If the
button is normal, recheck if the installation and connection of
head and lines are correct. If correct, replace receiving head
or remote controller.
Remote controller has malfunction
The thermostat hasn’t been adjusted well
Lower the temperature of the thermostat
(or increase the temperature when heating)
Too much dust accumulated on the filter
Clean the filter
Heat exchanger is blocked
Clean the dust accumulated on the surface of the heat
exchanger
Fan speed is set too slow
Set the fan speed at high or medium fan speed
The fan can’t run or the fan speed is too slow
1. Wrong wire connection; 2. whether the capacitor
damaged or not; 3. the motor has malfunction; Connect the
wire correctly or replace those parts which has malfunction.
A/C can run but
it can’t cooling
(or heating)
24
Refrigerant is insufficient or leaking
A/C on. No
cooling (or
heating)
Call for fan
motor but fan
motor will not
come on
Compressor
isn’t running
(controller is
with output)
Check leakage, carry out vacuum-pumping after repairing
leakage and charge refrigerant according to requirements
Refrigeration system is blocked
Check whether the system is blocked by observing the
condensation of the evaporator and the pressure value of
the high pressure manometer, and then take measures to
deal with the system.
Too much refrigerant
Release the redundant refrigerant in system
The efficiency of the compressor is low
Replace the compressor
Condenser can’t discharge smoothly
Get rid of the obstacle
At the time of heating, the electric heater
can’t run
1. the wire is loosened; 2. thermal fuse is broken;
3. temperature limiter is damaged; 4. electric heater is
damaged; 5. controller is broken. correct the wore correctly
or replace those parts which has malfunction.
Outdoor temperature is too high
You can install the rain-proof and sun-proof board. If the
cooling air is still insufficient, you are suggested
to replace the A/C
Whether the cooling (heating) load is suitable
Check the preset cooling (heating) load
The air tightness in room is not good. People
come in and go out frequently. There are
heating devices in the room when A/C is cooling
Keep the air tightness well. Try not to use the electic
appliances with a large quantity of heat
Supply voltage is unstable
Check the reason and correct it.
Wrong wire connection
Check the circuit and connect the wire correctly
according to the electic circuit diagram
The fan’s capacitor is broken
Replace fan’s capacitor with the same
mode and specification
The motor winding is of broken circuit or short
circuit or the built in temperature limiter device
in open circuit due to overheat.
Replace those parts which has malfunction
The controller has malfunction
Replace the controller
The compressor capacitor is broken; wrong wire
connection
Replace capacitor; connect the wire correctly
according to the electric circuit diagram
The compressor’s motor is burned out
Check with a multimeter if the enclosed motor windings of
compressor is with short or broken circuit or earthing. If so, it
is needed to replace it with the same type and specifications.
The compressor is jammed or blocked
Knock the compressor housing with a rubber bar or with
a hammer padding with a wood, the compressor might be
shocked and run. If not, change the compressor.
25
Protector is
activated due to
overheating of
the compressor
Compressor
is ON-OFF
frequently
Refrigerant is insufficient or super abundance
Adjust the quantity of the refrigerant
Capillary is blocked and the suction
temperature is rising
Replace capillary
The compressor can run smoothly or is stuck.
The air discharge valve is damaged.
Replace the compressor
Protector has malfunction
Use the multimeter to check whether the contact point of the
compressor is conducted at the timer of non-subheating. If it
can’t be conducted, please replace the protector.
Supply voltage is abnormal
Check the reason, improve the power supply condition and
add the regulated power supply
The radiating for evaporator and condensor is
not good; Poor air ventilation
Get rid of the dust on the evaporator and condensor, remove
the obstacles at the air outlet
The air conditioner capability does not match
the area of the room, i.e. so called “Big system,
small room”.
Slect the A/C which is applicable to the room areas
Reveiving distance of remote control
is too short
Replace the battery
Replace the battery
LCD display flashes or when pressing
the transmit button the entire screen
is displayed.
Battery’s capacity is insufficient
Replace the battery
LED display is found short of stroke
The LCD frame hasn’t fixed well
Fix the LCD frame properly
Vibration and
noise are
abnormal
The compressor hasn’t installed well and the
base is unstable
Check whether the base is firm
The unit hasn’t placed flatly and stable
Adjust the unit’s position
The unit’s support is unstable
Strengthen the support or refit it
There are foreign objects on the unit
Get rid of the foreign objects
Screws are loosened
Tighten the screws
As for the above malfunction analysis, there aren’t malfunction related to heating for the cooling only unit.
26
COMPONENTS TESTING
BLOWER / FAN MOTOR
A single phase permanent split capacitor motor is used to drive
the evaporator blower and condenser fan. A self-resetting
overload is located inside the motor to protect against high
temperature and high amperage conditions.
WARNING
ELECTRIC SHOCK HAZARD
Disconnect power to the unit before
servicing. Failure to follow this warning
could result in serious injury or death.
BLOWER / FAN MOTOR TEST
1. Make sure the motor has cooled down.
2. Disconnect the fan motor wires from the control board.
3. Test for continuity between the windings also, test to
ground.
4. If any winding is open or grounded replace the motor.
Capacitor Check with Capacitor Analyzer
The capacitor analyzer will show whether the capacitor
is “open” or “shorted.” It will tell whether the capacitor
is within its micro farads rating and it will show whether
the capacitor is operating at the proper power-factor
percentage. The instrument will automatically discharge
the capacitor when the test switch is released.
Capacitor Connections
The starting winding of a motor can be damaged by a
shorted and grounded running capacitor. This damage
usually can be avoided by proper connection of the running
capacitor terminals.
From the supply line on a typical 230 volt circuit, a 115 volt
potential exists from the “R” terminal to ground through a
possible short in the capacitor. However, from the “S” or start
terminal, a much higher potential, possibly as high as 400
volts, exists because of the counter EMF generated in the
start winding. Therefore, the possibility of capacitor failure
is much greater when the identified terminal is connected
to the “S” or start terminal. The identified terminal should
always be connected to the supply line, or “R” terminal,
never to the “S” terminal.
When connected properly, a shorted or grounded running
capacitor will result in a direct short to ground from the “R”
terminal and will blow the line fuse. The motor protector
will protect the main winding from excessive temperature.
CAPACITORS
WARNING
ELECTRIC SHOCK HAZARD
Turn off electric power before servicing.
Discharge capacitor with a 20,000 Ohm 2 Watt
resistor before handling.
Failure to do so may result in personal injury,
or death.
Many motor capacitors are internally fused. Shorting the
terminals will blow the fuse, ruining the capacitor. A 20,000
ohm 2 watt resistor can be used to discharge capacitors
safely. Remove wires from capacitor and place resistor
across terminals. When checking a dual capacitor with
a capacitor analyzer or ohmmeter, both sides must be
tested.
27
COMPONENTS TESTING (Continued)
HEATER ELEMENTS AND LIMIT SWITCHES’
SPECIFICATIONS
All heat pumps and electric heat models are equipped
with a heating element and a limit switch (bimetal thermostat). The limit is in series with the element and will
interrupt the power at a designed temperature.
Should the blower motor fail, filter become clogged or airflow be restricted etc., the high limit switch will open and
interrupt the power to the heater before reaching an unsafe temperature condition.
TESTING THE HEATING ELEMENTS AND
LIMIT SWITCHES
WARNING
ELECTRIC SHOCK HAZARD
Disconnect power to the unit before
servicing. Failure to follow this warning
could result in serious injury or death.
Testing of the heating elements can be made with an
ohmmeter or continuity tester across the terminals after
the power wires have been removed. Test the limit switch
for continuity across its input and output terminals.Test
below the limit switch’s reset temperature.
28
DRAIN PAN VALVE
During the cooling mode of operation, condensate which
collects in the drain pan is picked up by the condenser fan
blade and sprayed onto the condenser coil. This assists
in cooling the refrigerant plus evaporating the water.
During the heating mode of operation, it is necessary that
water be removed to prevent it from freezing during cold
outside temperatures. This could cause the condenser
fan blade to freeze in the accumulated water and prevent
it from turning.
To provide a means of draining this water, a bellows type
drain valve is installed over a drain opening in the base
pan.
This valve is temperature sensitive and will open when
the outside temperature reaches 40°F. The valve will
close gradually as the temperature rises above 40°F to
fully close at 60°F.
Bellows Assembly
Drain Pan Valve
REFRIGERATION SEQUENCE OF OPERATION
A good understanding of the basic operation of the
refrigeration system is essential for the service technician.
Without this understanding, accurate troubleshooting of
refrigeration system problems will be more difficult and time
consuming, if not (in some cases) entirely impossible. The
refrigeration system uses four basic principles (laws) in its
operation they are as follows:
1. “Heat always flows from a warmer body to a cooler
body.”
2. “Heat must be added to or removed from a substance
before a change in state can occur”
3. “Flow is always from a higher pressure area to a lower
pressure area.”
4. “The temperature at which a liquid or gas changes state
is dependent upon the pressure.”
The refrigeration cycle begins at the compressor. Starting
the compressor creates a low pressure in the suction line
which draws refrigerant gas (vapor) into the compressor.
The compressor then “compresses” this refrigerant, raising
its pressure and its (heat intensity) temperature.
The refrigerant leaves the compressor through the discharge
Line as a hot High pressure gas (vapor). The refrigerant
enters the condenser coil where it gives up some of its
heat. The condenser fan moving air across the coil’s finned
surface facilitates the transfer of heat from the refrigerant to
the relatively cooler outdoor air.
The refrigerant leaves the condenser Coil through the liquid
line as a warm high pressure liquid. It next will pass through
the refrigerant drier (if so equipped). It is the function of the
drier to trap any moisture present in the system, contaminants,
and large particulate matter.
The liquid refrigerant next enters the metering device. The
metering device is a capillary tube. The purpose of the
metering device is to “meter” (i.e. control or measure) the
quantity of refrigerant entering the evaporator coil.
In the case of the capillary tube this is accomplished (by
design) through size (and length) of device, and the pressure
difference present across the device.
Since the evaporator coil is under a lower pressure (due to
the suction created by the compressor) than the liquid line,
the liquid refrigerant leaves the metering device entering the
evaporator coil. As it enters the evaporator coil, the larger
area and lower pressure allows the refrigerant to expand
and lower its temperature (heat intensity). This expansion is
often referred to as “boiling”. Since the unit’s blower is moving
indoor air across the finned surface of the evaporator coil,
the expanding refrigerant absorbs some of that heat. This
results in a lowering of the indoor air temperature, hence the
“cooling” effect.
The expansion and absorbing of heat cause the liquid
refrigerant to evaporate (i.e. change to a gas). Once the
refrigerant has been evaporated (changed to a gas), it is
heated even further by the air that continues to flow across
the evaporator coil.
When a sufficient quantity of heat has been removed from
the refrigerant gas (vapor), the refrigerant will “condense”
(i.e. change to a liquid). Once the refrigerant has been
condensed (changed) to a liquid it is cooled even further by
the air that continues to flow across the condenser coil.
The particular system design determines at exactly what
point (in the evaporator) the change of state (i.e. liquid to a
gas) takes place. In all cases, however, the refrigerant must
be totally evaporated (changed) to a gas before leaving the
evaporator coil.
The PTAC design determines at exactly what point (in
the condenser) the change of state (i.e. gas to a liquid)
takes place. In all cases, however, the refrigerant must be
totally condensed (changed) to a Liquid before leaving the
condenser coil.
The low pressure (suction) created by the compressor
causes the refrigerant to leave the evaporator through the
suction line as a cool low pressure vapor. The refrigerant then
returns to the compressor, where the cycle is repeated.
Suction
Line
Evaporator
Coil
Metering
Device
Refrigerant
Strainer
Discharge
Line
Condenser
Coil
Compressor
Refrigerant Drier Liquid
Line
29
R-410A SEALED REFRIGERATION SYSTEM REPAIRS
IMPORTANT
SEALED SYSTEM REPAIRS TO COOL-ONLY MODELS REQUIRE THE INSTALLATION OF A LIQUID LINE DRIER.
SEALED SYSTEM REPAIRS TO HEAT PUMP MODELS REQUIRE THE INSTALLATION OF A SUCTION LINE DRIER.
EQUIPMENT REQUIRED:
1. Voltmeter
9.
2. Ammeter
10. Low Pressure Gauge - (30 - 200 lbs.)
3. Ohmmeter
11. Vacuum Gauge - (0 - 1000 microns)
4. E.P.A. Approved Refrigerant Recovery System
12. Facilities for flowing nitrogen through refrigeration tubing
during all brazing processes.
5. Vacuum Pump (capable of 200 microns or less
vacuum.)
6. Acetylene Welder
EQUIPMENT MUST BE CAPABLE OF:
1. Recovering refrigerant to EPA required levels.
7. Electronic Halogen Leak Detector capable of detecting HFC (Hydrofluorocarbon) refrigerants.
8. Accurate refrigerant charge measuring device such
as:
a. Balance Scales - 1/2 oz. accuracy
b. Charging Board - 1/2 oz. accuracy
WARNING
RISK OF ELECTRIC SHOCK
Unplug and/or disconnect all electrical power
to the unit before performing inspections,
maintenances or service.
Failure to do so could result in electric shock,
serious injury or death.
WARNING
HIGH PRESSURE HAZARD
Sealed Refrigeration System contains refrigerant
and oil under high pressure.
Proper safety procedures must be followed,
and proper protective clothing must be worn
when working with refrigerants.
Failure to follow these procedures could
result in serious injury or death.
Refrigerant Charging
Proper refrigerant charge is essential to proper unit operation. Operating a unit with an improper refrigerant charge will
result in reduced performance (capacity) and/or efficiency.
Accordingly, the use of proper charging methods during servicing will insure that the unit is functioning as designed and
that its compressor will not be damaged.
30
High Pressure Gauge - (0 - 750 lbs.)
2. Evacuation from both the high side and low side of the
system simultaneously.
3. Introducing refrigerant charge into high side of the
system.
4. Accurately weighing the refrigerant charge introduced
into the system.
Too much refrigerant (overcharge) in the system is just as bad
(if not worse) than not enough refrigerant (undercharge). They
both can be the source of certain compressor failures if they
remain uncorrected for any period of time. Quite often, other
problems (such as low air flow across evaporator, etc.) are
misdiagnosed as refrigerant charge problems. The refrigerant
circuit diagnosis chart will assist you in properly diagnosing
these systems.
An overcharged unit will at times return liquid refrigerant
(slugging) back to the suction side of the compressor eventually
causing a mechanical failure within the compressor. This
mechanical failure can manifest itself as valve failure, bearing
failure, and/or other mechanical failure. The specific type of
failure will be influenced by the amount of liquid being returned,
and the length of time the slugging continues.
Not enough refrigerant (undercharge) on the other hand, will
cause the temperature of the suction gas to increase to the point
where it does not provide sufficient cooling for the compressor
motor. When this occurs, the motor winding temperature will
increase causing the motor to overheat and possibly cycle open
the compressor overload protector. Continued overheating of
the motor windings and/or cycling of the overload will eventually
lead to compressor motor or overload failure.
Method Of Charging / Repairs
The acceptable method for charging the RAC system is the
Weighed in Charge Method. The weighed in charge method is
applicable to all units. It is the preferred method to use, as it is
the most accurate.
The weighed in method should always be used whenever
a charge is removed from a unit such as for a leak repair,
compressor replacement, or when there is no refrigerant
charge left in the unit. To charge by this method, requires the
following steps:
1. Install a piercing valve to remove refrigerant from the
sealedsystem. (Piercing valve must be removed from the
system before recharging.)
2. Recover Refrigerant in accordance with EPA regulations.
WARNING
BURN HAZARD
Proper safety procedures must be followed,
and proper protective clothing must be worn
when working with a torch.
Failure to follow these procedures could
result in moderate or serious injury.
CAUTION
FREEZE HAZARD
Proper safety procedures must be followed,
and proper protective clothing must be worn
when working with liquid refrigerant.
Failure to follow these procedures could
result in minor to moderate injury.
4. Make necessary repairs to system.
5. Evacuate system to 200 microns or less.
6. Weigh in refrigerant with the property quantity of R-410A
refrigerant.
7. Start unit, and verify performance.
WARNING
BURN HAZARD
Proper safety procedures must be followed,
and proper protective clothing must be worn
when working with a torch.
Failure to follow these procedures could
result in moderate or serious injury.
3. Install a process tube to sealed system.
8. Crimp the process tube and solder the end shut.
WARNING
ELECTRIC SHOCK HAZARD
Turn off electric power before service or
installation.
Extreme care must be used, if it becomes
necessary to work on equipment with power
applied.
Failure to do so could result in serious injury or
death.
WARNING
HIGH PRESSURE HAZARD
Sealed Refrigeration System contains refrigerant
and oil under high pressure.
Proper safety procedures must be followed,
and proper protective clothing must be worn
when working with refrigerants.
Failure to follow these procedures could
result in serious injury or death.
Undercharged Refrigerant Systems
An undercharged system will result in poor performance
(low pressures, etc.) in both the heating and cooling
cycle.
Whenever you service a unit with an undercharge of
refrigerant, always suspect a leak. The leak must be
repaired before charging the unit.
To check for an undercharged system, turn the unit on,
allow the compressor to run long enough to establish
working pressures in the system (15 to 20 minutes).
During the cooling cycle you can listen carefully at the exit
of the metering device into the evaporator; an intermittent
hissing and gurgling sound indicates a low refrigerant
charge. Intermittent frosting and thawing of the evaporator
is another indication of a low charge, however, frosting
and thawing can also be caused by insufficient air over
the evaporator.
Checks for an undercharged system can be made at
the compressor. If the compressor seems quieter than
normal, it is an indication of a low refrigerant charge.
A check of the amperage drawn by the compressor
motor should show a lower reading. (Check the Unit
Specification.)
31
After the unit has run 10 to 15 minutes, check the gauge
pressures. Gauges connected to system with an undercharge
will have low head pressures and substantially low suction
pressures.
Improper air flow over the evaporator coil may indicate
some of the same symptoms as an over charged system.
An overcharge can cause the compressor to fail, since it
would be “slugged” with liquid refrigerant.
The charge for any system is critical. When the compressor
is noisy, suspect an overcharge, when you are sure that the
air quantity over the evaporator coil is correct. Icing of the
evaporator will not be encountered because the refrigerant
will boil later if at all. Gauges connected to system will usually
have higher head pressure (depending upon amount of over
charge). Suction pressure should be slightly higher.
Overcharged Refrigerant Systems
Compressor amps will be near normal or higher.
Noncondensables can also cause these symptoms. To
confirm, remove some of the charge, if conditions improve,
system may be overcharged. If conditions don’t improve,
Noncondensables are indicated.
Whenever an overcharged system is indicated, always make
sure that the problem is not caused by air flow problems.
Restricted Refrigerant System
Troubleshooting a restricted refrigerant system can be
difficult. The following procedures are the more common
problems and solutions to these problems. There are two
types of refrigerant restrictions: Partial restrictions and
complete restrictions.
A partial restriction allows some of the refrigerant to
circulate through the system.
With a complete restriction there is no circulation of
refrigerant in the system.
Restricted refrigerant systems display the same symptoms
as a “low-charge condition.”
When the unit is shut off, the gauges may equalize very
slowly.
Gauges connected to a completely restricted system will
run in a deep vacuum. When the unit is shut off, the gauges
will not equalize at all.
A quick check for either condition begins at the evaporator.
With a partial restriction, there may be gurgling sounds
at the metering device entrance to the evaporator. The
evaporator in a partial restriction could be partially frosted
or have an ice ball close to the entrance of the metering
device. Frost may continue on the suction line back to the
compressor.
Often a partial restriction of any type can be found by feel,
as there is a temperature difference from one side of the
restriction to the other.
32
With a complete restriction, there will be no sound at the
metering device entrance. An amperage check of the
compressor with a partial restriction may show normal
current when compared to the unit specification.
With a complete restriction the current drawn may be
considerably less than normal, as the compressor is
running in a deep vacuum (no load.) Much of the area of
the condenser will be relatively cool since most or all of the
liquid refrigerant will be stored there.
The following conditions are based primarily on a system
in the cooling mode.
HERMETIC COMPONENTS CHECK
WARNING
WARNING
BURN HAZARD
Proper safety procedures must be followed,
and proper protective clothing must be worn
when working with a torch.
CUT/SEVER HAZARD
Be careful with the sharp edges and corners.
Wear protective clothing and gloves, etc.
Failure to follow these procedures could
result in moderate or serious injury.
Failure to do so could result in serious injury.
METERING DEVICE
Capillary Tube Systems
All units are equipped with capillary tube metering
devices.
3.
Switch the unit to the heating mode and observe the
gauge readings after a few minutes running time. If
the system pressure is lower than normal, the heating
capillary is restricted.
4.
If the operating pressures are lower than normal in both
the heating and cooling mode, the cooling capillary is
restricted.
Checking for restricted capillary tubes.
1. Connect pressure gauges to unit.
2. Start the unit in the cooling mode. If after a few minutes
of operation the pressures are normal, the check valve
and the cooling capillary are not restricted.
CHECK VALVE
A unique two-way check valve is used on the reverse cycle
heat pumps. It is pressure operated and used to direct the
flow of refrigerant through a single filter drier and to the
proper capillary tube during either the heating or cooling
cycle.
One-way Check Valve
(Heat Pump Models)
NOTE: The slide (check) inside the valve is made of teflon.
Should it become necessary to replace the check valve,
place a wet cloth around the valve to prevent overheating
during the brazing operation.
CHECK VALVE OPERATION
In the cooling mode of operation, high pressure liquid enters
the check valve forcing the slide to close the opposite port
(liquid line) to the indoor coil. Refer to refrigerant flow chart.
This directs the refrigerant through the filter drier and cooling
capillary tube to the indoor coil.
In the heating mode of operation, high pressure refrigerant
enters the check valve from the opposite direction, closing
the port (liquid line) to the outdoor coil. The flow path of
the refrigerant is then through the filter drier and heating
capillary to the outdoor coil.
Failure of the slide in the check valve to seat properly in
either mode of operation will cause flooding of the cooling
coil. This is due to the refrigerant bypassing the heating or
cooling capillary tube and entering the liquid line.
COOLING MODE
In the cooling mode of operation, liquid refrigerant from
condenser (liquid line) enters the cooling check valve
forcing the heating check valve shut. The liquid refrigerant
is directed into the liquid dryer after which the refrigerant
is metered through cooling capillary tubes to evaporator.
(Note: liquid refrigerant will also be directed through the
heating capillary tubes in a continuous loop during the
cooling mode).
HEATING MODE
In the heating mode of operation, liquid refrigerant from
the indoor coil enters the heating check valve forcing the
cooling check valve shut. The liquid refrigerant is directed
into the liquid dryer after which the refrigerant is metered
through the heating capillary tubes to outdoor coils. (Note:
liquid refrigerant will also be directed through the cooling
capillary tubes in a continuous loop during the heating
mode).
33
REVERSING VALVE DESCRIPTION/OPERATION
WARNING
ELECTRIC SHOCK HAZARD
Disconnect power to the unit before servicing.
Failure to follow this warning could result in
serious injury or death.
of the system. The pilot section of the valve opens and
closes ports for the small capillary tubes to the main valve
to cause it to shift.
NOTE: System operating pressures must be near
normal before valve can shift.
The Reversing Valve controls the direction of refrigerant flow
to the indoor and outdoor coils. It consists of a pressureoperated, main valve and a pilot valve actuated by a solenoid
plunger. The solenoid is energized during the heating cycle
only. The reversing valves used in the PTAC system is a
2-position, 4-way valve.
The single tube on one side of the main valve body is the
high-pressure inlet to the valve from the compressor. The
center tube on the opposite side is connected to the low
pressure (suction) side of the system. The other two are
connected to the indoor and outdoor coils. Small capillary
tubes connect each end of the main valve cylinder to the “A”
and “B” ports of the pilot valve. A third capillary is a common
return line from these ports to the suction tube on the main
valve body. Four-way reversing valves also have a capillary
tube from the compressor discharge tube to the pilot valve.
The piston assembly in the main valve can only be shifted
by the pressure differential between the high and low sides
TESTING THE COIL
WARNING
ELECTRIC SHOCK HAZARD
Unplug and/or disconnect all electrical power
to the unit before performing inspections,
maintenances or service.
Failure to do so could result in electric shock,
serious injury or death.
The solenoid coil is an electromagnetic type coil mounted
on the reversing valve and is energized during the
operation of the compressor in the heating cycle.
1. Turn off high voltage electrical power to unit.
2. Unplug line voltage lead from reversing valve coil.
3. Check for electrical continuity through the coil. If you
do not have continuity replace the coil.
CHECKING THE REVERSING VALVE
NOTE: You must have normal operating pressures before
the reversing valve can shift.
WARNING
HIGH PRESSURE HAZARD
Sealed Refrigeration System contains refrigerant
and oil under high pressure.
Proper safety procedures must be followed,
and proper protective clothing must be worn
when working with refrigerants.
Failure to follow these procedures could
result in serious injury or death.
4. Check from each lead of coil to the copper liquid line
as it leaves the unit or the ground lug. There should
be no continuity between either of the coil leads
and ground; if there is, coil is grounded and must be
replaced.
Check the operation of the valve by starting the system
and switching the operation from “Cooling” to “Heating”
and then back to “Cooling”. Do not hammer on valve.
5. If coil tests okay, reconnect the electrical leads.
Occasionally, the reversing valve may stick in the heating
or cooling position or in the mid-position.
6. Make sure coil has been assembled correctly.
34
NOTE: Do not start unit with solenoid coil removed from
valve, or do not remove coil after unit is in operation. This
will cause the coil to burn out.
When sluggish or stuck in the mid-position, part of the
discharge gas from the compressor is directed back to the
suction side, resulting in excessively high suction pressure.
Touch Test in Heating/Cooling Cycle
WARNING
Should the valve fail to shift from coooling to heating,
block the air flow through the outdoor coil and allow the
discharge pressure to build in the system. Then switch the
system from heating to cooling.
BURN HAZARD
Certain unit components operate at
temperatures hot enough to cause burns.
Proper safety procedures must be followed,
and proper protective clothing must be
worn.
If the valve is stuck in the heating position, block the air
flow through the indoor coil and allow discharge pressure
to build in the system. Then switch the system from heating
to cooling.
Should the valve fail to shift in either position after increasing
the discharge pressure, replace the valve.
Dented or damaged valve body or capillary tubes can
prevent the main slide in the valve body from shifting.
If you determing this is the problem, replace the reversing
valve.
After all of the previous inspections and checks have been
made and determined correct, then perform the “Touch
Test” on the reversing valve.
Failure to follow these procedures could
result in minor to moderate injury.
The only definite indications that the slide is in the midposition is if all three tubes on the suction side of the valve
are hot after a few minutes of running time.
NOTE: A condition other than those illustrated above, and
on Page 31, indicate that the reversing valve is not shifting
properly. Both tubes shown as hot or cool must be the same
corresponding temperature.
Procedure For Changing Reversing Valve
WARNING
HIGH PRESSURE HAZARD
Sealed Refrigeration System contains refrigerant
and oil under high pressure.
Proper safety procedures must be followed,
and proper protective clothing must be worn
when working with refrigerants.
Failure to follow these procedures could
result in serious injury or death.
NOTICE
FIRE HAZARD
The use of a torch requires extreme care and proper
judgment. Follow all safety recommended precautions
and protect surrounding areas with fire proof materials.
Have a fire extinguisher readily available. Failure to follow
this notice could result in moderate to serious property
damage.
Reversing Valve in Heating Mode
Reversing Valve in Cooling Mode
1.
Install Process Tubes. Recover refrigerant from sealed
system. PROPER HANDLING OF RECOVERED
REFRIGERANT ACCORDING TO EPA REGULATIONS
IS REQUIRED.
2.
Remove solenoid coil from reversing valve. If coil is to
be reused, protect from heat while changing valve.
3.
Unbraze all lines from reversing valve.
4.
Clean all excess braze from all tubing so that they will
slip into fittings on new valve.
5.
Remove solenoid coil from new valve.
35
6.
7.
Protect new valve body from heat while brazing with plastic
heat sink (Thermo Trap) or wrap valve body with wet
rag.
Fit all lines into new valve and braze lines into new
valve.
WARNING
EXPLOSION HAZARD
The use of nitrogen requires a pressure
regulator. Follow all safety procedures and
wear protective safety clothing etc.
Failure to follow proper safety procedures
could result in serious injury or death.
8.
9.
Pressurize sealed system with a combination of R-22
and nitrogen and check for leaks, using a suitable leak
detector. Recover refrigerant per EPA guidelines.
Once the sealed system is leak free, install solenoid coil
on new valve and charge the sealed system by weighing
in the proper amount and type of refrigerant as shown
on rating plate. Crimp the process tubes and solder the
ends shut. Do not leave Schrader or piercing valves in
the sealed system.
NOTE: When brazing a reversing valve into the system, it is
of extreme importance that the temperature of the valve does
not exceed 250°F at any time.
Wrap the reversing valve with a large rag saturated with
water. “Re-wet” the rag and thoroughly cool the valve after
each brazing operation of the four joints involved.
The wet rag around the reversing valve will eliminate
conduction of heat to the valve body when brazing the line
connection.
COMPRESSOR CHECKS
Determine L.R.V.
Start the compressor with the volt meter attached; then stop
the unit. Attempt to restart the compressor within a couple
of seconds and immediately read the voltage on the meter.
The compressor under these conditions will not start and will
usually kick out on overload within a few seconds since the
pressures in the system will not have had time to equalize.
Voltage should be at or above minimum voltage of 197 VAC,
as specified on the rating plate. If less than minimum, check
for cause of inadequate power supply; i.e., incorrect wire
size, loose electrical connections, etc.
Amperage (L.R.A.) Test
The running amperage of the compressor is the most important of these readings. A running amperage higher than that
indicated in the performance data indicates that a problem
exists mechanically or electrically.
Single Phase Running and L.R.A. Test
NOTE: Consult the specification and performance section
for running amperage. The L.R.A. can also be found on the
rating plate.
Select the proper amperage scale and clamp the meter
probe around the wire to the “C” terminal of the compressor.
Turn on the unit and read the running amperage on the meter. If the compressor does not start, the reading will indicate
the locked rotor amperage (L.R.A.).
Overloads
The compressor is equipped with an external overload which
senses both motor amperage and winding temperature. High
motor temperature or amperage heats the overload causing it
to open, breaking the common circuit within the compressor.
Heat generated within the compressor shell, usually due to
recycling of the motor, is slow to dissipate. It may take anywhere from a few minutes to several hours for the overload
to reset.
Checking the Overload
WARNING
ELECTRIC SHOCK HAZARD
Turn off electric power before service or
installation. Extreme care must be used, if it
becomes necessary to work on equipment with
power applied.
Failure to do so could result in serious injury or
death.
Locked Rotor Voltage (L.R.V.) Test
Locked rotor voltage (L.R.V.) is the actual voltage available
at the compressor under a stalled condition.
Single Phase Connections
Disconnect power from unit. Using a voltmeter, attach one
lead of the meter to the run “R” terminal on the compressor
and the other lead to the common “C” terminal of the compressor. Restore power to unit.
36
WARNING
ELECTRIC SHOCK HAZARD
Turn off electric power before service or
installation. Extreme care must be used, if it
becomes necessary to work on equipment
with power applied.
Failure to do so could result in serious injury or
death.
WARNING
BURN HAZARD
Certain unit components operate at
temperatures hot enough to cause burns.
Proper safety procedures must be followed,
and proper protective clothing must be
worn.
In a single phase PSC compressor motor, the highest
value will be from the start to the run connections (“S” to
“R”). The next highest resistance is from the start to the
common connections (“S” to “C”). The lowest resistance
is from the run to common. (“C” to “R”) Before replacing a
compressor, check to be sure it is defective.
Failure to follow this warning could result
in moderate to serious injury.
External Overload
With power off, remove the leads from compressor terminals. If the compressor is hot, allow the overload to cool
before starting check. Using an ohmmeter, test continuity across the terminals of the external overload. If you
do not have continuity; this indicates that the overload is
open and must be replaced.
GROUND TEST
Use an ohmmeter set on its highest scale. Touch one
lead to the compressor body (clean point of contact as a
good connection is a must) and the other probe in turn
to each compressor terminal. If a reading is obtained the
compressor is grounded and must be replaced.
Check the complete electrical system to the compressor
and compressor internal electrical system, check to be
certain that compressor is not out on internal overload.
Complete evaluation of the system must be made whenever
you suspect the compressor is defective. If the compressor
has been operating for sometime, a careful examination
must be made to determine why the compressor failed.
Single Phase Resistance Test
WARNING
Many compressor failures are caused by the following
conditions:
1.
Improper air flow over the evaporator.
2.
Overcharged refrigerant system causing liquid to be
returned to the compressor.
3.
Restricted refrigerant system.
4.
Lack of lubrication.
Remove the leads from the compressor terminals and set
the ohmmeter on the lowest scale (R x 1).
5.
Liquid refrigerant returning to compressor causing oil
to be washed out of bearings.
Touch the leads of the ohmmeter from terminals common
to start (“C” to “S”). Next, touch the leads of the ohmmeter
from terminals common to run (“C” to “R”).
6.
Noncondensables such as air and moisture in
the system. Moisture is extremely destructive to a
refrigerant system.
ELECTRIC SHOCK HAZARD
Turn off electric power before service or
installation. Extreme care must be used, if it
becomes necessary to work on equipment
with power applied.
Failure to do so could result in serious injury or
death.
Add values “C” to “S” and “C” to “R” together and
check resistance from start to run terminals (“S” to “R”).
Resistance “S” to “R” should equal the total of “C” to “S”
and “C” to “R.”
37
COMPRESSOR REPLACEMENT
Recommended procedure for compressor
replacement
3.
After all refrigerant has been recovered, disconnect
suction and discharge lines from the compressor and
remove compressor. Be certain to have both suction
and discharge process tubes open to atmosphere.
4.
Carefully pour a small amount of oil from the suction
stub of the defective compressor into a clean
container.
5.
Using an acid test kit (one shot or conventional kit), test
the oil for acid content according to the instructions
with the kit.
6.
If any evidence of a burnout is found, no matter how
slight, the system will need to be cleaned up following
proper procedures.
7.
Install the replacement compressor.
WARNING
RISK OF ELECTRIC SHOCK
Unplug and/or disconnect all electrical power
to the unit before performing inspections,
maintenances or service.
Failure to do so could result in electric shock,
serious injury or death.
1.
Be certain to perform all necessary electrical and
refrigeration tests to be sure the compressor is
actually defective before replacing.
WARNING
WARNING
HIGH PRESSURE HAZARD
Sealed Refrigeration System contains refrigerant
and oil under high pressure.
EXPLOSION HAZARD
The use of nitrogen requires a pressure
regulator. Follow all safety procedures and
wear protective safety clothing etc.
Proper safety procedures must be followed,
and proper protective clothing must be worn
when working with refrigerants.
Failure to follow these procedures could
result in serious injury or death.
2.
Recover all refrigerant from the system though
the process tubes. PROPER HANDLING OF
RECOVERED REFRIGERANT ACCORDING TO
EPA REGULATIONS IS REQUIRED. Do not use
gauge manifold for this purpose if there has been
a burnout. You will contaminate your manifold and
hoses. Use a Schrader valve adapter and copper
tubing for burnout failures.
Failure to follow proper safety procedures
result in serious injury or death.
8. Pressurize with a combination of R-410A and nitrogen
and leak test all connections with leak detector capable of
detecting HFC (Hydrofluorocarbon) refrigerant. Recover
refrigerant/nitrogen mixture and repair any leaks found.
Repeat Step 8 to insure no more leaks are present.
9.
WARNING
CAUTION
HIGH TEMPERATURES
Extreme care, proper judgment and all safety
procedures must be followed when testing,
troubleshooting, handling or working around
unit while in operation with high temperature
components. Wear protective safety aids
such as: gloves, clothing etc.
Failure to do so could result in serious burn
injury.
NOTICE
FIRE HAZARD
The use of a torch requires extreme care and proper
judgment. Follow all safety recommended precautions
and protect surrounding areas with fire proof materials.
Have a fire extinguisher readily available. Failure to follow
this notice could result in moderate to serious property
damage.
38
Evacuate the system with a good vacuum pump capable
of a final vacuum of 200 microns or less. The system
should be evacuated through both liquid line and suction
line gauge ports. While the unit is being evacuated, seal
all openings on the defective compressor.
FREEZE HAZARD
Proper safety procedures must be followed,
and proper protective clothing must be worn
when working with liquid refrigerant.
Failure to follow these procedures could
result in minor to moderate injury.
10.
Recharge the system with the correct amount of
refrigerant. The proper refrigerant charge will be
found on the unit rating plate. The use of an accurate
measuring device, such as a charging cylinder,
electronic scales or similar device is necessary.
NOTICE
NEVER, under any circumstances, charge a rotary
compressor through the LOW side. Doing so would
cause permanent damage to the new compressor.
SPECIAL PROCEDURE IN THE CASE OF MOTOR
COMPRESSOR BURNOUT
WARNING
ELECTRIC SHOCK HAZARD
Turn off electric power before service or
installation.
Failure to do so may result in personal injury,
or death.
WARNING
HIGH PRESSURE HAZARD
Sealed Refrigeration System contains refrigerant
and oil under high pressure.
Proper safety procedures must be followed,
and proper protective clothing must be worn
when working with refrigerants.
Failure to follow these procedures could
result in serious injury or death.
WARNING
EXPLOSION HAZARD
The use of nitrogen requires a pressure
regulator. Follow all safety procedures and
wear protective safety clothing etc.
Failure to follow proper safety procedures
result in serious injury or death.
1. Recover all refrigerant and oil from the system.
2. Remove compressor, capillary tube and filter drier
from the system.
3. Flush evaporator condenser and all connecting
tubing with dry nitrogen or equivalent. Use approved
flushing agent to remove all contamination from
system. Inspect suction and discharge line for
carbon deposits. Remove and clean if necessary.
Ensure all acid is neutralized.
4. Reassemble the system, including new drier strainer
and capillary tube.
5. Proceed with step 8-10 on previous page.
ROUTINE MAINTENANCE
WARNING
ELECTRICAL SHOCK HAZARD!
Turn off electrical power before service or
installation. All eletrical connections and wiring
MUST be installed by a qualified electrician
and conform to the National Code and all local
codes which have jurisdiction. Failure to do so
can result in property damage, personal injury
and/or death.
To ensure proper unit operation and life expectancy, the
following maintenance procedures should be performed
on a regular basis
1. Air Filter
To ensure proper unit operation, the air filters should
be cleaned at least monthly, and more frequently if
conditions warrant. The unit must be turned off before
the filters are cleaned.
To remove the air filters, grasp the top of the filter and lift
out of the front cabinet. Reverse the procedure to reinstall
the filters.
Clean the filters with a mild detergent in warm water, and
allow them to dry thoroughly before reinstalling.
2. Coils & Chassis
NOTE: Do not use a caustic coil cleaning agent on coils
or base pan. Use a biodegradable cleaning agent and
degreaser. The use of harsh cleaning materials may
lead to deterioration of the aluminum fins or the coil end
plates.
The indoor coil and outdoor coils and base pan should
be inspected periodically (annually or semi-annually)
and cleaned of all debris (lint, dirt, leaves, paper, etc.)
as necessary. Under extreme conditions, more frequent
cleaning may be required. Clean the coils and base
pan with a soft brush and compressed air or vacuum.
A pressure washer may also be used, however, you
must be careful not to bend the aluminum fin pack. Use
a sweeping up and down motion in the direction of the
vertical aluminum fin pack when pressure cleaning coils.
Note: It is extremely important to insure that none of the
electrical and/or electronic parts of the unit get wet. Be
sure to cover all electrical components to protect them
from water or spray.
3. Decorative Front
The decorative front and discharge air grille may be
cleaned with a mild soap or detergent. Do NOT use
solvents or hydrocarbon based cleaners such as
acetone, naphtha, gasoline, benzene, etc., to clean the
decorative front or air discharge grilles.
Use a damp (not wet) cloth when cleaning the control
area to prevent water from entering the unit, and possibly
damaging the electronic control
4. Fan Motor & Compressor
The fan motor & compressor and are permanently
lubricated, and require no additional lubrication.
5. Wall Sleeve
Inspect the inside of the wall sleeve and drain system
periodically (annually or semi-annually) and clean as
required. Under extreme conditions, more frequent
cleaning may be necessary. Clean both of these areas
with an antibacterial and antifungal cleaner. Rinse both
items thoroughly with water and ensure that the drain
outlets are operating properly.
39
TROUBLESHOOTING CHART - COOLING
REFRIGERANT SYSTEM DIAGNOSIS COOLING
PROBLEM
LOW SUCTION PRESSURE
PROBLEM
PROBLEM
PROBLEM
HIGH SUCTION PRESSURE
LOW HEAD PRESSURE
HIGH HEAD PRESSURE
High Load Conditions
Low Load Conditions
High Load Conditions
Low Load Conditions
Low Air Flow Across
Indoor Coil
High Air Flow Across
Indoor Coil
Refrigerant System
Restriction
Refrigerant System
Restriction
Reversing Valve not
Fully Seated
Undercharged
Overcharged
Moisture in System
Defective Compressor
Low Air Flow Across
Outdoor Coil
Reversing Valve not
Fully Seated
Undercharged System
Overcharged
Non-Condensables (air)
Defective Compressor
TROUBLESHOOTING CHART - HEATING
REFRIGERANT SYSTEM DIAGNOSIS HEATING
PROBLEM
LOW SUCTION PRESSURE
Low Air Flow Across
Outdoor Coil
HIGH SUCTION PRESSURE
Outdoor Ambient Too High
for Operation in Heating
PROBLEM
LOW HEAD PRESSURE
PROBLEM
HIGH HEAD PRESSURE
Refrigerant System
Restriction
Outdoor Ambient Too High
For Operation In Heating
Low Air Flow Across
Indoor Coil
Refrigerant System
Restriction
Reversing Valve not
Fully Seated
Reversing Valve not
Fully Seated
Undercharged
Overcharged
Undercharged
Overcharged
Defective Compressor
Non-Condensables (air)
in System
Moisture in System
40
PROBLEM
Defective Compressor
ELECTRICAL TROUBLESHOOTING CHART - HEAT PUMP
CAUTION
WARNING
ELECTRIC SHOCK HAZARD
Turn off electric power before service or
installation.
BURN HAZARD
Certain unit components operate at
temperatures hot enough to cause burns.
Extreme care must be used, if it becomes
necessary to work on equipment with power
applied.
Proper safety procedures must be followed,
and proper protective clothing must be
worn.
Failure to do so could result in serious injury
or death.
Failure to do so could result in minor to
moderate injury.
HEAT PUMP
SYSTEM COOLS WHEN
HEATING IS DESIRED.
Is Line Voltage
Present at the
Solenoid Valve?
NO
Is the Selector Switch
Set for Heat?
YES
Is the Solenoid Coil Good?
Replace the Solenoid Coil
NO
YES
Reversing Valve Stuck
Replace the Reversing Valve
41
REMOTE WALL THERMOSTAT WIRING DIAGRAM
COOL WITH ELECTRIC HEAT
LEGEND FOR T-STAT WIRING HARNESS
R
24 VAC Power From Unit
Y
Call for Cooling
W
Call for Heat
O
Reversing Valve Energized in cooling mode
GL
Call for Low Fan
GH
Call for High Fan
RT6 - Two Speeds Fan T-Stat - Field Provided
-- -- -- Field Wiring
Jumper Wire
THERMOSTAT CONNECTIONS
GH
R
GL
Y
O
W
B
O
Y
GL
W
GH
RC
C
RH
C
RT6
42
EXT.
Disk control SW
or
Auxillary fan EXT.
SW
Electronic
Control
Board
REMOTE WALL THERMOSTAT WIRING DIAGRAM
HEAT PUMP WITH ELECTRIC HEAT
LEGEND FOR T-STAT WIRING HARNESS
R
24 VAC Power From Unit
Y
Call for Cooling
W
Call for Heat
O
Reversing Valve Energized in cooling mode
GL
Call for Low Fan
GH
Call for High Fan
RT6 - Two Speeds Fan T-Stat - Field Provided
-- -- -- Field Wiring
Jumper Wire
THERMOSTAT CONNECTIONS
GH
R
GL
Y
O
W
B
O
Y
GL
W
GH
RC
C
Electronic
Control
Board
RH
C
RT6
EXT.
Disk control SW
or
Auxillary fan EXT.
SW
43
L1
L2
GRD
L1
L1
L1
WIRING DIAGRAM
RD
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WH
GR
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BN
RD
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Thermistors
COMP
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BL
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Limit
N3
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PR
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CAP
4V
WIRE COLOR ID
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BL = Blue
CAP = Capacitor
BN = Brown
HTR = Heater
BK = Black
TB = Terminal Block
RD = Red
OM = Outdoor Fan Motor
WH = White
IM = Indoor Fan Motor
PR = Purple
TRAN = Transformer
YL = Yellow
RELAY COMM = L.V. Relay Cable
GR = Green
YV = Reversing Valve Solenoid
BN
BN
COMPONENT ID
HR = Heater Relay
HTR
OM
Rev Solenoid
CR = Compressor Relay
HTR
RD
BL
OFAN N4
Indoor Fan
BL
BN
BK
RD
BK
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PR
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BN
CAP
BN
HR
IM
BK
BK
208/230
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BK
YL
BL
WH
BK
BK
BN
BN
BK
HR
TRAN
44
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CR
Main Relay Board
12VAC
12VDC
WH
WH
RD
24VAC
Display
Control
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L2TB
RELAY COMM
HR
K104
YL
HR
K103
BL
Indoor Air Outdoor
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X8
24VAC TB
12VDC
WH
BL
RT6
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Symptom
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Resistance Table for Air Indoor Temperature Sensor
Temp.
F!
Resistance
kȍ!
"
Temp.
F!
Resistance
kȍ!
"
Temp.
F!
Resistance
kȍ!
"
Temp.
F!
Resistance
kȍ!
-19
-18
-17
-16
-15
-14
-13
-12
-11
-10
-9
-8
-7
-6
-5
-4
-3
-2
-1
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
138.100
128.600
121.600
115.000
108.700
102.900
97.400
92.220
87.350
82.750
78.430
74.350
70.500
66.880
63.460
60.230
57.180
54.310
51.590
49.020
46.600
44.310
42.140
40.090
38.150
36.320
34.580
32.940
31.380
29.900
28.510
27.180
25.920
24.730
23.600
22.530
21.510
20.540
19.630
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
18.750
17.930
17.140
16.390
15.680
15.000
14.360
13.740
13.160
12.600
12.070
11.570
11.090
10.630
10.200
9.779
9.382
9.003
8.642
8.297
7.967
7.653
7.352
7.065
6.791
6.529
6.278
6.038
5.809
5.589
5.379
5.197
4.986
4.802
4.625
4.456
4.294
4.139
3.990
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
3.848
3.711
3.579
3.454
3.333
3.217
3.105
2.998
2.896
2.797
2.702
2.611
2.523
2.439
2.358
2.280
2.206
2.133
2.064
1.997
1.933
1.871
1.811
1.754
1.699
1.645
1.594
1.544
1.497
1.451
1.408
1.363
1.322
1.282
1.244
1.207
1.171
1.136
1.103
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
1.071
1.039
1.009
0.980
0.952
0.925
0.898
0.873
0.848
0.825
0.802
0.779
0.758
0.737
0.717
0.697
0.678
0.660
0.642
0.625
0.608
0.592
0.577
0.561
0.547
0.532
0.519
0.505
0.492
0.480
0.467
0.456
0.444
0.433
0.422
0.412
0.401
0.391
0.382
47
Resistance Table for Frost Protection Indoor and Outdoor Temperature Sensors
Temp.
F!
-19
-18
-17
-16
-15
-14
-13
-12
-11
-10
-9
-8
-7
-6
-5
-4
-3
-2
-1
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
48
Resistance
"
kȍ!
181.400
171.400
162.100
153.300
145.000
137.200
129.900
123.000
116.500
110.300
104.600
99.130
94.000
89.170
84.610
80.310
76.240
72.410
68.790
65.370
62.130
59.080
56.190
53.460
50.870
48.420
46.110
43.920
41.840
39.870
38.010
36.240
34.570
32.980
31.470
30.040
28.680
27.390
26.170
Temp.
F!
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
Resistance
"
kȍ!
25.010
23.900
22.850
21.850
20.900
20.000
19.140
18.130
17.550
16.800
16.100
15.430
14.790
14.180
13.590
13.040
12.510
12.000
11.520
11.060
10.620
10.200
9.803
9.420
9.054
8.705
8.370
8.051
7.745
7.453
7.173
6.905
6.648
6.403
6.167
5.942
5.726
5.519
5.320
Temp.
F!
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
Resistance
"
kȍ!
5.130
4.948
4.773
4.605
4.443
4.289
4.140
3.998
3.861
3.729
3.603
3.481
3.364
3.252
3.144
3.040
2.940
2.844
2.752
2.663
2.577
2.495
2.415
2.339
2.265
2.194
2.125
2.059
1.996
1.934
1.875
1.818
1.736
1.710
1.658
1.609
1.561
1.515
1.470
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
Temp.
Resistance
F!
kȍ!
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
1.427
1.386
1.346
1.307
1.269
1.233
1.198
1.164
1.131
1.099
1.069
1.039
1.010
0.983
0.956
0.930
0.904
0.880
0.856
0.833
0.811
0.770
0.769
0.746
0.729
0.710
0.692
0.674
0.658
0.640
0.623
0.607
0.592
0.577
0.563
0.549
0.535
0.521
0.509
Friedrich Air Conditioning Company
10001 Reunion Place, Suite 500
San Antonio, TX 78216
800.541.6645
www.friedrich.com
PD-SERIES
PACKAGED TERMINAL AIR CONDITIONERS
LIMITED WARRANTY
SAVE THIS CERTIFICATE. It gives you specific rights. You may also have other rights which may vary from state to state and province to
province.
In the event that your unit needs servicing, contact your nearest authorized service center. If you do not know the nearest service center,
ask the company that installed your unit or contact us - see address and telephone number above. To obtain service and/or warranty parts
replacement, you must notify an authorized FRIEDRICH Air Conditioning Co. service center, distributor, dealer, or contractor of any defect
within the applicable warranty period.
When requesting service: please have the model and serial number from your unit readily available.
Unless specified otherwise herein, the following applies:
FRIEDRICH PACKAGED TERMINAL AIR CONDITIONERS AND HEAT PUMPS
LIMITED WARRANTY - FIRST YEAR (Twelve (12) months from the date of installation). Any part found to be defective in the material
or workmanship will be repaired or replaced free of charge by our authorized service center during the normal working hours; and
LIMITED WARRANTY - SECOND THROUGH FIFTH YEAR (Sixty (60) months from the date of installation). ON THE SEALED
REFRIGERATION SYSTEM. Any part of the sealed refrigeration system that is defective in material or workmanship will be repaired or
replaced free of charge (excluding freight charges) by our authorized service center during normal working hours. The sealed refrigeration
system consists of the compressor, metering device, evaporator, condenser, reversing valve, check valve, and the interconnecting tubing.
These warranties apply only while the unit remains at the original site and only to units installed inside the continental United
States, Alaska, Hawaii, Puerto Rico, Mexico and Canada. The warranty applies only if the unit is installed and operated in
accordance with the printed instructions and in compliance with applicable local installation and building codes and good trade
practices. For international warranty information, contact the Friedrich Air Conditioning Company - International Division.
Any defective part to be replaced must be made available to FRIEDRICH in exchange for the replacement part. Reasonable proof must be
presented to establish the date of install, otherwise the beginning date of this certificate will be considered to be our shipment date plus sixty
days. Replacement parts can be new or remanufactured. Replacement parts and labor are only warranted for any unused portion of the
unit’s warranty.
We will not be responsible for and the user will pay for:
1. Service calls to:
A) Instruct on unit operation. B) Replace house fuses or correct house wiring. C) Clean or replace air filters. D) Remove the unit
from its installed location when not accessible for service required. E) Correct improper installations.
2. Parts or labor provided by anyone other than an authorized service center.
3. Damage caused by:
A) Accident, abuse, negligence, misuse, riot, fire, flood, or acts of God. B) Operating the unit where there is a corrosive atmosphere
containing chlorine, fluorine, or any damaging chemicals (other than in a normal residential environment). C) Unauthorized
alteration or repair of the unit, which in turn affects its stability or performance. D) Failing to provide proper maintenance and
service. E) Using an incorrect power source. F) Faulty installation or application of the unit.
We shall not be liable for any incidental, consequential, or special damages or expenses in connection with any use or failure of
this unit. We have not made and do not make any representation or warranty of fitness for a particular use or purpose and there
is no implied condition of fitness for a particular use or purpose. We make no expressed warranties except as stated in this
certificate. No one is authorized to change this certificate or to create for us any other obligation or liability in connection with
this unit. Any implied warranties shall last for one year after the original purchase date. Some states and provinces do not allow
limitations on how long an implied warranty or condition lasts, so the above limitations or exclusions may not apply to you. The provisions of
this warranty are in addition to and not a modification of or subtraction from the statutory warranties and other rights and remedies provided
by law.
Performance of Friedrich’s Warranty obligation is limited to one of the following methods:
1. Repair of the unit
2. A refund to the customer for the prorated value of the unit based upon the remaining warranty period of the unit.
3. Providing a replacement unit of equal value
The method of fulfillment of the warranty obligation is at the sole discretion of Friedrich Air Conditioning.
In case of any questions regarding the provisions of this warranty, the English version will govern.
(11-10)
49
17
36
50
1
22
16
54
53
24
36
45
2
44
37
25
23
21
41
26
4
40
18
9
5
48
8
50
51
35
38
52
6
20
12
34
43
19
49
42
27
32 33
3
46
29
31 30
55
13
57
56
7
11
47
28
10
39
15
14
2011 PTAC EXPLODED VIEW
51
PDE12K3SF
PDE12R3SF
*
*
*
PDE09R3SF
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
44
45
46
47
48
49
50
51
52
53
54
55
Qty
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
2
1
2
1
1
1
1
1
1
1
3
1
1
1
PDE09K3SF
*
3
4
5
6
7
8
9
9
Description
Air Filter (Pair)
Air Guide
Ambient Temperature Sensor
Basepan
Bearing Cap
Bearing Support, Rubber sub-assy
Bellows Drain Valve
Bottom Inner Wall Brace
Capacitor
Capacitor, Fan
Capacitor, Fan
Capillary Tube Assy
Chassis Flange, Right
Chassis Flange, Left
Compressor Assy
Condenser Coil
Condenser Fan Blade
Control Door
Control Panel Overlay Escutcheon
Cross flow fan support, left
Cross flow fan support, right
Cross Flow Fan, Evaporator
Deck
Discharge Grille
Discharge Screen
Display Board
Electric Box Assy
Evaporator Coil
Evaporator Foam Drain Tray
Fan Motor, Condenser
Fan Motor, Evaporator
Fan Shroud + Motor Mount
Fresh Air Door
Fresh Air Door Cable
Fresh Air Door Filter
Fresh Air Door Lever
Front Panel Assy (Complete)
Front Panel clip
Heater
Heater Wiring Block Board
Inner Wall assy
Junction box
Junction lid
Lower cover of Fresh Air Door Lever
Logic board
Terminal Board - 24vac
Motor Bracket, Indoor
Shroud Brace
Relay Board
Thermal baffle
Top Cover Plate Sub-Assy
Transformer
Upper cover of Fresh Air Door Lever
Wiring Terminal, 2 position 24VAC
Wiring Terminal, 7 position 24VAC
Compressor Grommets
Temperature Sensor
Overload Protector
Tube Thermistor
PDE07R3SF
Ref. #
1
PDE07K3SF
2011 PTAC PARTS LIST - PDE MODELS
Part #
68700138
68700055
68700152
68700096
68700127
68700147
68700134
68700118
68700100
68700113
68700091
68700085
68700124
68700125
68700050
68700081
68700135
68700145
68700158
68700129
68700130
68700136
68700131
68700143
68700122
68700151
68700028
68700079
68700141
68700087
68700072
68700137
68700121
68700133
68700139
68700148
68700144
68700128
68700074
68700126
68700115
68700120
68700117
68700150
68700105
68700156
68700123
68700119
68700103
68700132
68700116
68700112
68700149
68700154
68700155
68700046
68700110
68700052
68700153
Part #
68700138
68700056
68700152
68700096
68700127
68700147
68700134
68700118
68700100
68700113
68700108
68700085
68700124
68700125
68700049
68700081
68700135
68700145
68700158
68700129
68700130
68700136
68700131
68700143
68700122
68700151
68700030
68700079
68700141
68700088
68700073
68700137
68700121
68700133
68700139
68700148
68700144
68700128
68700075
68700126
68700115
68700120
68700117
68700150
68700105
68700156
68700123
68700119
68700104
68700132
68700116
68700111
68700149
68700154
68700155
68700046
68700110
68700051
68700153
Part #
68700138
68700057
68700152
68700015
68700127
68700147
68700134
68700118
68700107
68700113
68700091
68700017
68700124
68700125
68700001
68700102
68700135
68700145
68700158
68700129
68700130
68700136
68700131
68700143
68700122
68700151
68700032
68700014
68700141
68700087
68700070
68700137
68700121
68700133
68700139
68700148
68700144
68700128
68700098
68700126
68700115
68700120
68700117
68700150
68700105
68700156
68700123
68700119
68700103
68700132
68700116
68700112
68700149
68700154
68700155
68700046
68700110
n/a
68700153
Part #
68700138
68700058
68700152
68700096
68700127
68700147
68700134
68700118
68700100
68700113
68700108
68700016
68700124
68700125
68700004
68700102
68700135
68700145
68700158
68700129
68700130
68700136
68700131
68700143
68700122
68700151
68700034
68700013
68700141
68700088
68700071
68700137
68700121
68700133
68700139
68700148
68700144
68700128
68700099
68700126
68700115
68700120
68700117
68700150
68700105
68700156
68700123
68700119
68700104
68700132
68700116
68700111
68700149
68700154
68700155
68700046
68700110
68700162
68700153
Part #
68700138
68700082
68700152
68700097
68700127
68700147
68700134
68700118
68700107
68700109
68700113
68700084
68700124
68700125
68700047
68700102
68700135
68700145
68700158
68700129
68700130
68700136
68700131
68700143
68700122
68700151
68700036
68700101
68700141
68700078
68700089
68700137
68700121
68700133
68700139
68700148
68700144
68700128
68700098
68700126
68700115
68700120
68700117
68700150
68700105
68700156
68700123
68700119
68700103
68700132
68700116
68700112
68700149
68700154
68700155
68700046
68700110
68700053
68700153
Part #
68700138
68700083
68700152
68700097
68700127
68700147
68700134
68700118
68700107
68700108
68700109
68700084
68700124
68700125
68700048
68700102
68700135
68700145
68700158
68700129
68700130
68700136
68700131
68700143
68700122
68700151
68700038
68700101
68700141
68700086
68700090
68700137
68700121
68700133
68700139
68700148
68700144
68700128
68700099
68700126
68700115
68700120
68700117
68700150
68700105
68700156
68700123
68700119
68700104
68700132
68700116
68700111
68700149
68700154
68700155
68700046
68700110
68700161
68700153
Ref. #
1
2
*
3
4
5
6
7
8
9
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
*
47
48
49
50
51
*
52
53
54
55
56
56
52
Description
Air Filter (Pair)
Air Guide
Return Air Thermistor
Basepan
Bearing Cap
Bearing Support, Rubber sub-assy
Bellows Drain Valve
Bottom Inner Wall Brace
Capacitor
Capacitor, Fan
Capacitor, Fan
Capillary Tube Assy
Chassis Flange, Left
Chassis Flange, Right
Compressor Assy
Condenser Coil
Condenser Fan Blade
Control Door
Control Panel Overlay Escutcheon
Cross flow fan support, left
Cross flow fan support, right
Cross Flow Fan, Evaporator
Deck
Discharge Grille
Discharge Screen
Display Board
Electric Box Assy
Evaporator Coil
Evaporator Foam Drain Tray
Fan Motor, Condenser
Fan Motor, Evaporator
Fan Shroud + Motor Mount
Fresh Air Door
Fresh Air Door Cable
Fresh Air Door Filter
Fresh Air Door Lever
Front Panel Assy (Complete)
Front Panel clip
Heater
Heater Wiring Block Board
Inner Wall assy
Junction box
Junction lid
Lower cover of Fresh Air Door Lever
Solenoid Coil
Relay board
Logic board
Motor Bracket, Indoor
Overload Protector
Shroud Brace
Terminal Board, Input power
Thermal baffle
Top Cover Plate Sub-Assy
Transformer
Indoor Coil Thermistor
Upper cover of Fresh Air Door Lever
Wiring Terminal, 2 position 24VAC
Wiring Terminal, 7 position 24VAC
Compressor Gasket
4-way Reversing Valve Assy
4-way Reversing Valve Assy
Qty
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
2
2
1
1
1
2
1
1
1
3
1
1
PDH15R5SF
PDH15K5SF
PDH12R3SF
PDH12K3SF
PDH09R3SF
PDH09K3SF
PDH07R3SF
PDH07K3SF
2011 PTAC PARTS LIST - PDH MODELS
Friedrich # Friedrich # Friedrich # Friedrich # Friedrich # Friedrich # Friedrich # Friedrich #
68700138
68700055
68700152
68700096
68700127
68700147
68700134
68700118
68700100
68700113
68700091
68700085
68700124
68700125
68700050
68700081
68700135
68700145
68700158
68700129
68700130
68700136
68700131
68700143
68700122
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68700029
68700079
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68700087
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68700121
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68700148
68700144
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68700117
68700150
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68700103
68700123
68700052
68700119
68700156
68700132
68700116
68700112
68700153
68700149
68700154
68700155
n/a
68700094
68700062
68700138
68700056
68700152
68700096
68700127
68700147
68700134
68700118
68700100
68700113
68700108
68700085
68700124
68700125
68700049
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68700135
68700145
68700158
68700129
68700130
68700136
68700131
68700143
68700122
68700151
68700031
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68700141
68700088
68700073
68700137
68700121
68700133
68700139
68700148
68700144
68700128
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68700126
68700115
68700120
68700117
68700150
68700092
68700106
68700104
68700123
68700051
68700119
68700156
68700132
68700116
68700111
68700153
68700149
68700154
68700155
n/a
68700094
68700062
68700138
68700057
68700152
68700097
68700127
68700147
68700134
68700118
68700107
68700113
68700091
68700060
68700124
68700125
68700002
68700102
68700135
68700145
68700158
68700129
68700130
68700136
68700131
68700143
68700122
68700151
68700033
68700054
68700141
68700087
68700070
68700137
68700121
68700133
68700139
68700148
68700144
68700128
68700098
68700126
68700115
68700120
68700117
68700150
68700093
68700106
68700103
68700123
68700012
68700119
68700156
68700132
68700116
68700112
68700153
68700149
68700154
68700155
n/a
68700094
68700063
68700138
68700058
68700152
68700097
68700127
68700147
68700134
68700118
68700100
68700113
68700108
68700060
68700124
68700125
68700003
68700102
68700135
68700145
68700158
68700129
68700130
68700136
68700131
68700143
68700122
68700151
68700035
68700054
68700141
68700088
68700071
68700137
68700121
68700133
68700139
68700148
68700144
68700128
68700099
68700126
68700115
68700120
68700117
68700150
68700092
68700106
68700104
68700123
n/a
68700119
68700156
68700132
68700116
68700111
68700153
68700149
68700154
68700155
n/a
68700094
68700063
68700138
68700082
68700152
68700097
68700127
68700147
68700134
68700118
68700107
68700109
68700113
68700084
68700124
68700125
68700047
68700102
68700135
68700145
68700158
68700129
68700130
68700136
68700131
68700143
68700122
68700151
68700037
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68700141
68700078
68700089
68700137
68700121
68700133
68700139
68700148
68700144
68700128
68700098
68700126
68700115
68700120
68700117
68700150
68700093
68700106
68700103
68700123
68700053
68700119
68700156
68700132
68700116
68700112
68700153
68700149
68700154
68700155
n/a
68700095
68700061
68700138
68700083
68700152
68700097
68700127
68700147
68700134
68700118
68700107
68700108
68700109
68700084
68700124
68700125
68700048
68700102
68700135
68700145
68700158
68700129
68700130
68700136
68700131
68700143
68700122
68700151
68700039
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68700141
68700086
68700090
68700137
68700121
68700133
68700139
68700148
68700144
68700128
68700099
68700126
68700115
68700120
68700117
68700150
68700092
68700106
68700104
68700123
n/a
68700119
68700156
68700132
68700116
68700111
68700153
68700149
68700154
68700155
n/a
68700095
68700061
68700138
68700082
68700152
68700160
68700127
68700147
68700134
68700118
68700043
68700109
68700113
68700018
68700124
68700125
68700007
68700080
68700135
68700145
68700158
68700129
68700130
68700136
68700131
68700143
68700122
68700151
68700041
68700101
68700141
68700089
68700026
68700137
68700121
68700133
68700139
68700148
68700144
68700128
68700098
68700126
68700115
68700120
68700117
68700150
68700093
68700106
68700103
68700123
n/a
68700119
68700156
68700132
68700116
68700112
68700153
68700149
68700154
68700155
68700045
68700095
68700020
68700138
68700083
68700152
68700077
68700127
68700147
68700134
68700118
68700107
68700109
68700108
68700019
68700124
68700125
68700008
68700080
68700135
68700145
68700158
68700129
68700130
68700136
68700131
68700143
68700122
68700151
68700027
68700101
68700141
68700086
68700090
68700137
68700121
68700133
68700139
68700148
68700144
68700128
68700099
68700126
68700115
68700120
68700117
68700150
68700092
68700106
68700104
68700123
68700011
68700119
68700156
68700132
68700116
68700111
68700153
68700149
68700154
68700155
68700076
68700095
68700021
Addemdum Sheet
PTAC Display Configuration Instructions
To Enter, Change & Exit the Display Configuration Mode

Press ‘Power’ button to turn unit on


Press ‘Low’ Fan Speed button and
Temperature button simultaneously for 3 seconds to enter
Display Configuration Mode
Press the ‘Low’ Fan Speed button one time to view the four Display Configuration Options


Press the
or
Temperature buttons to scroll through the four Display Configuration options
Press the ‘Cool’ button one time to save and exit changes
Display Configuration Mode “Options”
53
Display Configuration Mode “Options”- continued
54
FRIEDRICH AIR CONDITIONING CO.
10001 Reunion Place, Ste. 500, San Antonio, TX 78216
P 210-546-0500 | F 210-546-0731
www.friedrich.com
Printed in the U.S.A.
PD-ServMan-E (4-13)
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