Friedrich PTAC ZONEAIRE PREMIER Service & Parts Manual
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Friedrich PTAC ZONEAIRE PREMIER Service & Parts Manual

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ZONEAIRE
Standard Chassis Models
7K
9K
12K
15K
1
94141400_01
PTAC
®
PDE07K3SG, PDE07R3SG
PDH07K3SG, PDH07R3SG
PDE09K3SG, PDE09R3SG
PDH09K3SG, PDH09R3SG
PDE12K3SG, PDE12R3SG
PDH12K3SG, PDH12R3SG
PDE15K5SG, PDE15R5SG
PDH15K5SG, PDH15R5SG
PREMIER

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  • Page 1 PTAC ZONEAIRE PREMIER ® Standard Chassis Models PDE07K3SG, PDE07R3SG PDH07K3SG, PDH07R3SG PDE09K3SG, PDE09R3SG PDH09K3SG, PDH09R3SG PDE12K3SG, PDE12R3SG PDH12K3SG, PDH12R3SG PDE15K5SG, PDE15R5SG PDH15K5SG, PDH15R5SG 94141400_01...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS INTRODUCTION Important Safety Information Personal Injury Or Death Hazards Operation of Equipment in During Construction Model Number Reference Guide Serial Number Reference Guide SPECIFICATIONS General Specifications 7-9k Electric Heat General Specifications 7-9k Heat Pump Models General Specifications 12-15k Electric Heat General Specifications 12-15k Heat Pump Electrical Data OPERATION...
  • Page 3 PDH07K, PDH07R, PDH09K, PDH09R, PDH12K, PDH12R, PDH15K, PDH15R ACCESSORIES APPENDIX Reference Sheet of Celsius and Fahrenheit Resistance Table of Indoor Ambient Temperature Sensor (15K) Resistance Table of Tube Temperature Sensors for Indoor and Outdoor(20K) Resistance Table of Discharge Temperature Sensor for Outdoor(50K) WARRANTY FRIEDRICH AUTHORIZED PARTS DEPOTS...

  • Page 4: Introduction

    INTRODUCTION Important Safety Information The information in this manual is intended for use by a qualified 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.

  • Page 5: Personal Injury Or Death Hazards

    INTRODUCTION Personal Injury Or Death Hazards WARNING AVERTISSEMENT ADVERTENCIA SAFETY Do not remove, disable Ne pas supprime, désacti- No eliminar, desactivar o or bypass this unit’s ver ou contourner cette pasar por alto los dispositi- FIRST safety devices. Doing so l´unité...
  • Page 6 INTRODUCTION Personal Injury Or Death Hazards • REFRIGERATION SYSTEM REPAIR HAZARDS: • Use approved standard refrigerant recovering procedures and equipment to relieve high 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.

  • Page 7: Operation Of Equipment In During Construction

    INTRODUCTION Operation of Equipment in During Construction • OPERATION OF EQUIPMENT MUST BE AVOIDED DURING CONSTRUCTION PHASES WHICH WILL PRODUCE AIRBORNE DUST OR CONTAMINTES NEAR OR AROUND AIR INTAKE OPENINGS: • Wood or metal framing; • Drywalling or sheathing, • Spackling or applying joint compound.

  • Page 8: Model Number Reference Guide

    This service manual was written to assist the professional service technician to quickly and accurately diagnose and repair malfunctions. Installation procedures are not given in this manual. They are given in the Installation and Operation Manual which can be aquired on the Friedrich website (www.friedrich.com).

  • Page 9: Serial Number Reference Guide

    INTRODUCTION Serial Number Reference Guide 17 12 M 00001 NUMERIC SEQUENCE YEAR OF MANUFACTURE FIRST UNIT OF EACH MONTH = 00001 17 = 2017 18 = 2018 19 = 2019 20 = 2020 21 = 2021 22 = 2022 MONTH OF MANUFACTURE 01 = JANUARY MANUFACTURING LOCATION 02 = FEBRUARY...

  • Page 10: Specifications

    SPECIFICATIONS General Specifications 7-9k Electric Heat PTAC Electric Heat models PDE07K PDE07R PDE09K PDE09R PERFORMANCE DATA: Cooling Btu 7200/7000 7200 9400/9200 9400 Cooling Watts 550/535 775/760 Energy Efficiency Ratio, EER 13.0/13.0 13.0 12.1/12.1 12.1 Moisture Removal (pints/hr.) Sensible Heat Ratio 0.86 0.86 0.85...

  • Page 11: General Specifications 7-9K Heat Pump Models

    SPECIFICATIONS General Specifications 7-9k Heat Pump Models PTAC Heat Pump models PDH07K PDH07R PDH09K PDH09R PERFORMANCE DATA: Cooling Btu 7200/7000 7200 9400/9200 9400 Cooling Watts 550/535 775/760 Energy Efficient Ratio, Eer 13.0/13.0 13.0 12.1/12.1 12.1 Reverse Heating Btu 6000/5800 6000 8300/8100 8300 Heating Watts...

  • Page 12: General Specifications 12-15K Electric Heat

    SPECIFICATIONS General Specifications 12-15k Electric Heat PTAC Electric Heat models PDE12K PDE12R PDE15K PDE15R PERFORMANCE DATA: Cooling Btu 11800/11600 11800 14500/14200 14500 Cooling Watts 1015/1000 1015 1390/1365 1390 Energy Efficiency Ratio, EER 11.6/11.6 11.6 10.4/10.4 10.4 Moisture Removal (pints/hr.) Sensible Heat Ratio 0.75 0.75 0.67...

  • Page 13: General Specifications 12-15K Heat Pump

    SPECIFICATIONS General Specifications 12-15k Heat Pump PTAC Heat Pump models PDH12K PDH12R PDH15K PDH15R PERFORMANCE DATA: Cooling Btu 11800/11600 11800 14500/14200 14500 Cooling Watts 1015/1000 1015 1390/1365 1390 Energy Efficient Ratio, Eer 11.6/11.6 11.6 10.4/10.4 10.4 Reverse Heating Btu 10600/10400 10600 13300/13000 13300...
  • Page 14 SPECIFICATIONS 21 1/2 Unit:inch Figure 205 ( Chassis Specs) Figure 206 (Typical Unit Components and Dimensions)

  • Page 15: Electrical Data

    Failure to do so can result in property damage, personal injury and/or death. B. Power Cord Information (230/208V models only) All Friedrich 230/208V PTAC units are shipped from the factory with a Figure 14 Leakage Current Detection Interrupter (LCDI) equipped power cord. The...
  • Page 16 SPECIFICATIONS Electrical Data Electrical Wiring for 265 Volt To install the line voltage power leads and con- duit to chassis, follow the instructions below Models and refer to Figures 25-27 on page 19. PXCJA Power Cord Installation Conduit Kit is required with this setup. All 265V PTAC/PTHP units come with a factory installed non-LCDI Follow the removal process of the chassis’s junction box power cord for use in a subbase.

  • Page 17: Operation

    Service Manual 6. Function and Control OPERATION 6.1 Introduction of Control Panel Function and Control 1.Summary When the unit is turned on, power indicator is displayed in green. In this case, you can operate the unit through control panel. 2.Operation interface and buttons High Heat Cool...
  • Page 18 OPERATION Service Manual Function and Control Dual 8 Display and LED Display: Two 8 segment nixie tube and 8 LED indicators (they are Auto, High, Low, Heat, Cool, Constant Fan, Power, STATUS(status indicator on main board)). 1.Mode LED display: when the unit is running in a certain kind of mode, the corresponding LED is bight. 2.Power LED: In ON status, the power LED is on;...
  • Page 19 OPERATION Service Manual Function and Control for temperature sensor error, or unit stops for freeze protection previously, when the start-up condition of outdoor fan is met, indoor fan will operate at high fan speed for 3s and then turn to set fan speed. If high temperature protection occurs during cooling mode, outdoor fan is forced to operate at high speed.
  • Page 20 OPERATION Function and Control Service Manual Mode one: Fahrenheit/Centigrade display mode F indicates Fahrenheit display mode C indicates Centigrade display mode Mode two: Adjusting mode for cooling temperature compensation value C). The adjusting range of indoor ambient temperature compensation value is -6 F to 6 F(-3 C to 3...

  • Page 21: Dip Switch Function #1

    OPERATION Dip Switch Function #1 Dip Switch Functions Settings Dip Switch # 1 Emergency Heat Override (PDH Heat Pump Models) • Enables electric heat operation only, in the event of compressor failure Factory position: Down - normal operation Up position: Disables compressor operation •...

  • Page 22: Dip Switch Function #2

    OPERATION Dip Switch Function #2 Dip Switch Functions & Settings Dip Switch # 2 Wall Thermostat Switch • Disconnect power to unit before changing DIP switch • Enables unit to be controlled by a wall thermostat Factory position: Down - unit controls operation Up position: Wall thermostat controls operation...

  • Page 23: Dip Switch Function #3&4

    OPERATION Dip Switch Function #3&4 Dip Switch Functions & Settings Dip Switch # 3 and # 4 Disable No Function.

  • Page 24: Dip Switch Function #5&6

    OPERATION Dip Switch Function #5&6 Dip Switch Functions & Settings Dip Switches # 5 & 6 • Allows the set point range to be adjusted Factory Setting: Down - Down = 61º - 86º F Options: Up - Down = 63º - 80º F Down –...

  • Page 25: Dip Switch Function #7

    OPERATION Dip Switch Function #7 Dip Switch Settings Dip Switch # 7 Room Freeze Guard Protection • Allows the unit to ensure the indoor room temperature does not fall below 40º F even when turned off. • If unit senses a room temperature below 40° ° F, the fan motor and electric heat will turn on and warm the room to 50°...

  • Page 26: Refrigeration Sequence Of Operation

    OPERATION 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.

  • Page 27: Refrigerant System Diagram

    OPERATION Refrigerant System Diagram (1)Cooling + Heat Pump + Auxiliary Electric Heater CENTRIFUGAL AXIAL FAN OR CROSS FAN COOLED AIR HOT DISCHARGED AIR HOT AIR COOLED AIR COMPRESSOR INDOOR COILS OUTDOOR COILS ELECTRIC HEATER CAPILLARY COOLING MODE REFRIGERANT FLOW DIRECTION NOTES: HEATING MODE (2) Cooling + Electric Heater...

  • Page 28: Routine Maintenance

    Routine Maintenance Coils & Chassis NOTE: Do not use a caustic 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.

  • Page 29: Removal Procedure

    Service Manual 11. Removal Procedure Service Manual REMOVAL PROCEDURE Caution: pull out the power,discharge the 11. Removal Procedure refrigerant completely before removal. Remove The Chassis Note: Take heat pump+electric heating unit as example for the disassemly; cooling only+electric heating is a little different. Caution: pull out the power,discharge the refrigerant completely before removal.
  • Page 30 Service Manual REMOVAL PROCEDURE Steps Precedure Remove The Chassis screw remove the grille. grille 2.Remove left and right brackets and guard board left bracket remove the left bracket. screw guard board then pull it upwards slightly to remove the screw guard board.

  • Page 31: Remove The Chassis

    Service Manual REMOVAL PROCEDURE Remove The Chassis Steps Precedure 3.Remove middle connection board screws middle connection board middle connection board connection board and then remove the middle connection board. 4.Remove guard net screws guard net then remove the guard net. 5.Remove top panel sub-assy top panel sub-assy screws...
  • Page 32 Service Manual REMOVAL PROCEDURE Steps Precedure Remove The Chassis 6.Remove electric box control cover plate, pull out the wiring terminal connecting plate control cover plate and electric box and then remove the control cover plate. screw then remove the display board. display board screws electric box.
  • Page 33 Service Manual REMOVAL PROCEDURE Steps Precedure Remove The Chassis of electric box and then remove the right side screws electric box and then remove the right side right side plate plate of electric box. of electric box electric box and then remove the front cover of electric box.
  • Page 34 Service Manual REMOVAL PROCEDURE Steps Precedure Remove The Chassis screw 7.Remove middle connection board middle cable cross connection plate board connection board and then remove the middle connection board. screws plate and then remove the cable cross plate. 8.Remove 4-way valve Unsolder spot weld between 4-way valve and spots 4-way valve...
  • Page 35 Service Manual REMOVAL PROCEDURE Steps Precedure Remove The Chassis 10.Remove guide loop sub-assy assy, and then pull the guide loop upwards to remove it. screws guide loop sub-assy 12.Remove outdoor motor remove the motor. motor screws Installation and Maintenance...
  • Page 36 Service Manual REMOVAL PROCEDURE Steps Precedure Remove The Chassis 13.Remove air duct sub-assy air duct sub-assy screws connection board and then remove the middle connection board. screws 14.Remove propeller housing propeller housing screws and then remove the propeller housing. screws Installation and Maintenance...
  • Page 37 Service Manual REMOVAL PROCEDURE Steps Precedure Remove The Chassis 15.Remove blade end cap sub-assy blade end cap sub-assy sub-assy and then remove the Blade end cap sub-assy. screws 16.Remove guard net screw 17.Remove indoor motor screws remove the motor. motor Installation and Maintenance...
  • Page 38 Service Manual REMOVAL PROCEDURE Steps Precedure Remove The Chassis 18.Remove electric heater and then pull the electric heater vertically to remove it. screws screws electric heater 19.Remove evaporator and condenser evaporator Pull the evaporator upwards to remove it. condenser pull the condenser upwards to remove it. screws Installation and Maintenance...

  • Page 39: Unit Disassembly

    UNIT DISASSEMBLY Indoor Motor, Wheel, & Heating Element Assembly FIGURE 401 (Removal of Indoor Fan Wire Harness)
  • Page 40 UNIT DISASSEMBLY Indoor Motor, Wheel, & Heating Element Assembly FIGURE 402 (Removal of Indoor Fan Blower Assembly)
  • Page 41 UNIT DISASSEMBLY Indoor Motor, Wheel, & Heating Element Assembly FIGURE 403 (Removal of Indoor Fan Grommet)
  • Page 42 UNIT DISASSEMBLY Indoor Motor, Wheel, & Heating Element Assembly Figure 404 (Left side Bushing & Bushing Housing)
  • Page 43 UNIT DISASSEMBLY Indoor Motor, Wheel, & Heating Element Assembly Figure 405 (Removal of Indoor Fan Blower Assembly)
  • Page 44 UNIT DISASSEMBLY Indoor Motor, Wheel, & Heating Element Assembly Figure 406 (Removal of Indoor Fan Housing Assembly)
  • Page 45 UNIT DISASSEMBLY Indoor Motor, Wheel, & Heating Element Assembly Figure 407 (Remove Housing, Indoor Motor and Heater)
  • Page 46 UNIT DISASSEMBLY Indoor Motor, Wheel, & Heating Element Assembly Figure 408 (Heater Element Removal, 3 screws on each side)
  • Page 47 UNIT DISASSEMBLY Indoor Motor, Wheel, & Heating Element Assembly Figure 409 (Primary & Secondary Limits)

  • Page 48: Outdoor Motor, Blade, & Shroud Assembly

    UNIT DISASSEMBLY Outdoor Motor, Blade, & Shroud Assembly Figure 410 (Remove Gussets and Fan Shroud)
  • Page 49 UNIT DISASSEMBLY Outdoor Motor, Blade, & Shroud Assembly Figure 411 (Loosen Fan Shroud and Bellows Drain Valve Located inside Shroud)

  • Page 50: Electronic Board & Electrical Component Replacement

    UNIT DISASSEMBLY Electronic Board & Electrical Component Replacement Figure 412 (Remove User Interface)
  • Page 51 UNIT DISASSEMBLY Electronic Board & Electrical Component Replacement Figure 413 (Remove User Interface)
  • Page 52 UNIT DISASSEMBLY Electronic Board & Electrical Component Replacement FIGURE 414 (Low Voltage Connections)
  • Page 53 UNIT DISASSEMBLY Electronic Board & Electrical Component Replacement Figure 415 (Power Cord and Housing)
  • Page 54 UNIT DISASSEMBLY Electronic Board & Electrical Component Replacement Figure 416 (Power Cord, Indoor Motor, and Heater Connections)
  • Page 55 UNIT DISASSEMBLY Electronic Board & Electrical Component Replacement Figure 417 (Removal of Control Compartment)
  • Page 56 UNIT DISASSEMBLY Electronic Board & Electrical Component Replacement Figure 418 (Main Board & Relay Board)
  • Page 57 UNIT DISASSEMBLY Electronic Board & Electrical Component Replacement Figure 419 (Relay Board and Replaceable Fuse)
  • Page 58 UNIT DISASSEMBLY Electronic Board & Electrical Component Replacement Figure 420 (Transformer)
  • Page 59 UNIT DISASSEMBLY Electronic Board & Electrical Component Replacement Figure 421 (Transformer Removed)

  • Page 60: Installation

    FRP002 The above suggestions are for reference only and do not represent all possible installations. Please contact Friedrich for information regarding affects of other installation arrangements. By following these simple recommendations you can be confident that your Friedrich PTAC will provide years of worry free operation.

  • Page 61: Wall Sleeve Installation Instructions (Pdxws)

    INSTALLATION Wall Sleeve Installation Instructions (PDXWS) Wall Sleeve Installation Instructions (PDXWS) NOTE: Insure that the unit is only installed in a wall structurally adequate to support the unit including the sleeve, chassis and accessories. If the sleeve projects more than 8" into the room, a subbase or other means of support MUST be used. Please read these instructions completely before attempting installation.

  • Page 62: Alternate Wall Installations

    INSTALLATION Alternate Wall Installations Alternate Wall Installations Figure 6 Figure 4 Curtain Wall Panel Wall 1/4" MIN WALL OR PROJECTION WINDOW CASE FLANGE (BY OTHERS) OPTIONAL SUBBASE OPTIONAL SUBBASE LEVELING SCREW LEVELING SCREW FRP004 FRP003 Figure 5 Figure 7 Frame and Brick Veneer Block and Brick Veneer 1/4"...
  • Page 63 INSTALLATION Alternate Wall Installations Figure 8 Wall Sleeve Attachment ALTERNATE FASTENING METHODS WALL (Field Supplied) SLEEVE NOTE: The Wall Sleeve must be horizontally level (side-to-side) and pitched 1/4 bubble to the WOOD SCREW outside when installed in an opening. TOGGLE BOLT The mounting hole location EXPANSION should be approximately 2-4”...
  • Page 64 INSTALLATION Alternate Wall Installations Drill two 3/16" holes through each side of the sleeve approximately If the chassis and exterior grille are to be installed later, leave the 4" from top and 4" from bottom of sleeve. Screw four #10 x 1" weatherboard and center support in place, otherwise remove and screws (included) or appropriate fasteners for your installation, dispose of them.

  • Page 65: Pxdr10 Drain Kit Installation

    INSTALLATION PXDR10 Drain Kit Installation PXDR10 Drain Kit Installation Remove the backing from the gasket and mount it on the flat side of the mounting plate. (See Figure 12, Page 11). Insert the drain Instructions (optional for new tube through the hole in the gasket and mounting plate so the tube flange will be against the wall sleeve.

  • Page 66: External Drain

    INSTALLATION External Drain External Drain (for new Cover Plate Installation Mount the foam gasket to the cover plate. Using two #10 x ½" sheet construction or unit replace- metal screws (provided), attach the cover plate to the remaining drain hole. Make certain the large flange on the plate is positioned ment) at the bottom of the sleeve.

  • Page 67: Pxga Standard Grille

    INSTALLATION PXGA Standard Grille PXGA Standard Grille Installation Instructions WARNING Remove the center support and weatherboard if still installed in the sleeve. Insert six plastic grommets into the grille openings from the outside Falling Object Hazard of the grille as shown in Figure 13. Not following Installation Instructions for Insert two #8 x ⅜"...

  • Page 68: Electrical Wiring For 265 Volt Models

    INSTALLATION Electrical Wiring for 265 Volt Models Electrical Wiring for 265 Volt To install the line voltage power leads and con- duit to chassis, follow the instructions below Models and refer to Figures 25-27 on page 19. PXCJA Power Cord Installation Conduit Kit is required with this setup.
  • Page 69 SPECIFICATIONS Electrical Wiring for 265 Volt Models Figure 16 Figure 15 TO CHASSIS JUNCTION STRAIGHT CONNECTOR WALL CONNECTION JUNCTION 4.0 IN. GROUND SCREW GROUND WIRE HARNESS COVER 18.0 IN. JUNCTION SCREWS EXPOSE BOX COVER WIRES FRP033 (1.0 IN.) TRIM HARNESS Figure 17 TO LENGTH LEADING SIDE FOR...

  • Page 70: Chassis Install Preparation

    FRP016 NOTE: Use a wall sleeve adapter kit (PXSE) if installing a P-Series IMPORTANT: When installing a Friedrich PTAC into an existing sleeve, chassis in a T-Series sleeve. it is important to ensure that the unit is installed completely. Inspection of the air seal between the condenser air baffles and around the indoor mounting flange is recommended.
  • Page 71 INSTALLATION Chassis Install Preparation Remove shipping screw from the vent door, if present. See Fig 21. CAUTION Figure 21 Shipping Screw Location Unit Damage Hazard Failure to follow this caution may result in equipment damage or improper operation. Failure to remove shipping tape and screw will prevent fresh air vent door from opening and may result in damage to vent door cable.

  • Page 72: Chassis Installation

    INSTALLATION Chassis Installation Chassis Installation Place tabs over top rail (1). Push inward at bottom until panel snaps into place (2). Lift unit level and slide unit into wall sleeve until from seal rests Reinstall front panel. See Figure 24. firmly against front of wall sleeve.

  • Page 73: How To Connect

    INSTALLATION How To Connect How To Connect IMPORTANT: Please read following electrical safety data carefully. Connect accessory power supply cord or hard wire connector to WARNING unit connector. See Figure 26. • Units must be installed using the appropriate power supply kit.

  • Page 74: Thermostat

    Remote Thermostat W = Call for Heating All Friedrich PZ model PTAC units are factory configured to be controlled O = Reversing Valve Energized in cooling mode (PDH Models Only) by either the chassis mounted Smart Center or a 24V remote wall mounted GL = Call for Low Fan thermostat.
  • Page 75 Desk Control Terminals WARNING 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.

  • Page 76: Final Inspection & Start-Up Checklist

    Ensure that the entire installation is in compliance with all applicable & Operation manual, all accessory installation instructions, and the national and local codes and ordinances that have jurisdiction. name, address and telephone number of the Authorized Friedrich Warranty Service Company in the area for future reference if necessary.

  • Page 77: R-410A Sealed System Repair

    R-410A SEALED SYSTEM REPAIR The following is a list of important considerations WARNING when working with R-410A equipment R-410A pressure is approximately 60% higher than R-22 Refrigeration system under high pressure pressure. 2. R-410A cylinders must not be allowed to exceed 125 F, they may leak or rupture.

  • Page 78: Refrigerant Charging

    R-410A SEALED SYSTEM REPAIRS 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.

  • Page 79: Undercharged Refrigerant Systems

    R-410A SEALED SYSTEM REPAIRS Undercharged Refrigerant Systems An undercharged system will result in poor WARNING performance (low pressures, etc.) in both the heating and cooling cycle. RISK OF ELECTRIC SHOCK Unplug and/or disconnect all electrical power to the unit before performing inspections, Whenever you service a unit with an undercharge of maintenances or service.

  • Page 80: Overcharged Refrigerant Systems

    R-410A SEALED SYSTEM REPAIRS Overcharged Refrigerant Systems Whenever an overcharged system is indicated, always WARNING make sure that the problem is not caused by air flow problems. Improper air flow over the evaporator coil RISK OF ELECTRIC SHOCK may indicate some of the same symptoms as an over Unplug and/or disconnect all electrical power to the unit before performing inspections, charged system.

  • Page 81: Restricted Refrigerant System

    R-410A SEALED SYSTEM REPAIRS 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.

  • Page 82: Sealed System Method Of Charging/ Repairs

    R-410A SEALED SYSTEM REPAIRS Sealed System Method of Charging/ Repairs CAUTION WARNING FREEZE HAZARD BURN HAZARD Proper safety procedures must be followed, Proper safety procedures must be followed, and proper protective clothing must be worn and proper protective clothing must be worn when working with liquid refrigerant.

  • Page 83: Component Testing

    COMPONENT TESTING Hermetic Components Check WARNING WARNING BURN HAZARD CUT/SEVER HAZARD Proper safety procedures must be followed, Be careful with the sharp edges and corners. and proper protective clothing must be worn when working with a torch. Wear protective clothing and gloves, etc. Failure to follow these procedures could Failure to do so could result in serious injury.

  • Page 84: Reversing Valve Description And Operation

    COMPONENT TESTING Reversing Valve Description And Operation The Reversing Valve controls the direction of refrigerant flow to the indoor and outdoor coils. It consists of a pressure-operated, main valve and a pilot valve actuated by a solenoid plunger. The solenoid is energized during the heating cycle only.

  • Page 85: Testing The Reversing Valve Solenoid Coil

    COMPONENT TESTING Testing The Reversing Valve Solenoid Coil WARNING ELECTRIC SHOCK HAZARD Disconnect power to the unit before servicing. Failure to follow this warning could result in 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.

  • Page 86: Checking The Reversing Valve

    COMPONENT TESTING Checking The 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.
  • Page 87 COMPONENT TESTING Replace The Reversing Valve WARNING NOTICE FIRE HAZARD HIGH PRESSURE HAZARD The use of a torch requires extreme care and proper Sealed Refrigeration System contains refrigerant judgment. Follow all safety recommended precautions and and oil under high pressure. Proper safety procedures must be followed, notice could result in moderate to serious property damage.

  • Page 88: Touch Test Chart : To Service Reversing Valves

    COMPONENT TESTING Touch Test Chart : To Service Reversing Valves NORMAL FUNCTION OF VALVE NOTES: VALVE OPERATING * TEMPERATURE OF VALVE BODY CONDITION ** WARMER THAN VALVE BODY POSSIBLE CAUSES CORRECTIONS Cool Normal Cooling Cool *TVB as (2) as (1) Cool Normal Heating Cool...

  • Page 89: Compressor Checks

    COMPONENT TESTING Compressor Checks WARNING WARNING ELECTRIC SHOCK HAZARD BURN HAZARD Turn off electric power before service or installation. Proper safety procedures must be followed, All electrical connections and wiring MUST be and proper protective clothing must be worn when working with a torch. the National Electrical Code and all local codes which have jurisdiction.
  • Page 90 COMPONENT TESTING Compressor Checks WARNING WARNING HIGH PRESSURE HAZARD ELECTRIC SHOCK HAZARD Turn off electric power before service or Sealed Refrigeration System contains refrigerant and oil under high pressure. installation. Extreme care must be used, if it becomes necessary to work on equipment with Proper safety procedures must be followed, power applied.
  • Page 91 COMPONENT TESTING Compressor Replacement 1. Be certain to perform all necessary electrical and refrigeration tests to be sure the compressor is actually defective before replacing. WARNING 2. Recover all refrigerant from the system though the process tubes. PROPER HANDLING OF RECOVERED REFRIGERANT ELECTRIC SHOCK HAZARD ACCORDING TO EPA REGULATIONS IS REQUIRED.

  • Page 92: Compressor Replacement -Special Procedure In Case Of Compressor Burnout

    COMPONENT TESTING Compressor Replacement -Special Procedure in Case of Compressor Burnout 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.

  • Page 93: Pcb Printed Diagram Board 1

    COMPONENT TESTING PCB Printed Diagram Board 1 Top view Terminal of temperature sensor Main chip Interface of display Interface of main board Bottom view Figure 706 (Circuit Card)
  • Page 94 COMPONENT TESTING PCB Printed Diagram Board 2 Top view 1 Relay of electric heating 5 Terminal of 4-way valve Terminal of transformer Relay of compressor 6 Terminal of outdoor fan 10 Current inductor 3 Terminal of transformer 7 Terminal of indoor fan Interface of main board 4 Neutral wire interface 8 Current inductor...

  • Page 95: Testing Component Voltage At Electronic Control Board

    COMPONENTS TESTING Testing Component Voltage at Electronic Control Board 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.

  • Page 96: Testing Line Voltage

    COMPONENTS TESTING Testing Line Voltage 208/230 265V AC FIGURE 709 (LINE VOLTAGE)

  • Page 97: Troubleshooting

    TROUBLESHOOTING Basic Troubleshooting Basic Troubleshooting COMPLAINT CAUSE SOLUTION ● Unit turned off. ● Turn unit on ● Thermostat is satisfied. ● Raise/Lower temperature setting. ● LCDI power cord is unplugged. ● Plug into a properly grounded 3 prong recep- tacle. See "Electrical Rating Tables" on page 13 for the proper receptacle type for your unit.
  • Page 98 Use and Care information You can find the name of you local Authorized Service Provider by visiting Recommended maintenance procedures our web site at www.friedrich.com. Installation information If you require further assistance you can call the Customer Support Call Center at 1-800-541-6645.

  • Page 99: Error Codes

    TROUBLESHOOTING Error Codes No. Malfunction Name Error A/C Status Possible Causes Code Indoor ambient The unit will not operate. 1.The wiring terminal between indoor ambient temperature The unit will stop operation as it temperature sensor and controller is loosened or sensor is open/ reaches the temperature point.
  • Page 100 TROUBLESHOOTING Error Codes No. Malfunction Name Error A/C Status Possible Causes Code Electric Heater LOCKS OUT OPERATION 1. Open heater Protection Error The purpose of A2 protection is 2. Defective logic board electric heater safety while PTAC’s 3. Indoor fan damage normal operation, so we reserved 4.
  • Page 101 TROUBLESHOOTING Error Codes No. Malfunction Name Error A/C Status Possible Causes Code High indoor coil Indoor coil temperature sensor Compressor & Outdoor fan shut down. Indoor fan temperature (HP) detects 136º F or greater for 1 remains operational. Electric heat is enabled after minute consecutive.

  • Page 102: 9.2 Malfunction Of Temperature Sensor

    Service Manual 9.2 Malfunction of Temperature Sensor TROUBLESHOOTING Malfunction of Temperature Sensor Troubleshooting for temperature sensor the wiring terminal between the temperature sensor and the controller loosened or poorly contacted? Insert the temperature sensor tightly Is malfunction eliminated Is there short circuit due to trip - over of the parts? Make the parts upright Is malfunction...

  • Page 103: 9.3 Maintenance Method For Normal Malfunction

    Service Manual TROUBLESHOOTING 9.3 Maintenance Method for Normal Malfunction Maintenance Method for Normal Malfunction 1. Air Conditioner Can't be Started Up Possible Causes Discriminating Method (Air conditioner Status) Troubleshooting No power supply, or poor After energization, operation indicator isn’t bright wait for power recovery.
  • Page 104 TROUBLESHOOTING Service Manual Maintenance Method for Normal Malfunction When ambient temperature is high, the detected Increase the set fan speed. When indoor tube temperature by indoor tube temperature sensor Tube temperature protection temperature decreases to a certain value, it will is high.
  • Page 105 TROUBLESHOOTING Service Manual Maintenance Method for Normal Malfunction 6.Air Conditioner is Leaking Possible Causes Discriminating Method (Air conditioner Status) Troubleshooting Eliminate the obstacles inside the drainage Drainage duct is blocked There’s water leakage at indoors duct. Air conditioner isn’t inclined The complete unit should incline outwards about There’s water leakage at indoors outwards...

  • Page 106: Wiring Diagrams

    WIRING DIAGRAMS PDE07 Symbol Symbol Color Symbol Symbol Color Symbol Name White Green CAP. Capacitor Yellow Brown COMP Compressor Blue Grounding wire YEGN Yellow-Green Black Figure 801...

  • Page 107: Pdh07

    WIRING DIAGRAMS PDH07 Symbol Symbol Color Symbol Symbol Color Symbol Name White Green CAP. Capacitor Yellow Brown COMP Compressor Blue Grounding wire YEGN Yellow-Green Black Figure 802...

  • Page 108: Pde09, Pde12, Pde15

    WIRING DIAGRAMS PDE09, PDE12, PDE15 Symbol Symbol Color Symbol Symbol Color Symbol Name White Green CAP. Capacitor Yellow Brown COMP Compressor Blue Grounding wire YEGN Yellow-Green Black Figure 803...

  • Page 109: Pdh09, Pdh12, Pdh15

    WIRING DIAGRAMS PDH09, PDH12, PDH15 Symbol Symbol Color Symbol Symbol Color Symbol Name White Green CAP. Capacitor Yellow Brown COMP Compressor Blue Grounding wire YEGN Yellow-Green Black Figure 804...

  • Page 110: Parts Catalog

    Items with a - in front of the item number (for example -10), are non illustrated items. Items with an * in front of the number (for example *10) are non-stocked items. If you require these items contact Friedrich customer...

  • Page 111: Pde07K, Pde07R, Pde09K, Pde09R, Pde12K, Pde12R, Pde15K, Pde15R

    PARTS CATALOG Figure 901 PDE07K, PDE07R, PDE09K, PDE09R, PDE12K, PDE12R, PDE15K, PDE15R...
  • Page 112 PARTS CATALOG Figure 901 PDE07K, PDE07R, PDE09K, PDE09R, PDE12K, PDE12R, PDE15K, PDE15R ITEM PART PART DESCRIPTION USED ON MODEL NUMBER 69700351 Temp Sensor Sleeving PDE07K3SG, PDE07R3SG, PDE09K3SG, PDE09R3SG, PDE12K3SG, PDE12R3SG, PDE15K5SG, PDE15R5SG 69700367 Temperature Sensor PDE07K3SG, PDE07R3SG, PDE09K3SG, PDE09R3SG, PDE12K3SG, PDE12R3SG, PDE15K5SG, PDE15R5SG 68700179 Condenser Assy PDE07K3SG, PDE07R3SG, PDE09K3SG, PDE09R3SG...
  • Page 113 PARTS CATALOG Figure 901 PDE07K, PDE07R, PDE09K, PDE09R, PDE12K, PDE12R, PDE15K, PDE15R ITEM PART PART DESCRIPTION USED ON MODEL NUMBER 68700147 Bearing Holder Sub-assy PDE07K3SG, PDE07R3SG, PDE09K3SG, PDE09R3SG, PDE12K3SG, PDE12R3SG, PDE15K5SG, PDE15R5SG 68700146 Bearing Holder PDE07K3SG, PDE07R3SG, PDE09K3SG, PDE09R3SG, PDE12K3SG, PDE12R3SG, PDE15K5SG, PDE15R5SG 68700193 Electric Heater PDE07K3SG, PDE09K3SG, PDE12K3SG, PDE15K5SG...
  • Page 114 PARTS CATALOG Figure 901 PDE07K, PDE07R, PDE09K, PDE09R, PDE12K, PDE12R, PDE15K, PDE15R ITEM PART PART DESCRIPTION USED ON MODEL NUMBER 69700367 Temperature Sensor PDE07K3SG, PDE07R3SG, PDE09K3SG, PDE09R3SG, PDE12K3SG, PDE12R3SG, PDE15K5SG, PDE15R5SG 69700373 Air Flue Assy PDE07K3SG 69700377 Air Flue Assy PDE09K3SG 69700377 Air Flue Assy...
  • Page 115 PARTS CATALOG Figure 901 PDE07K, PDE07R, PDE09K, PDE09R, PDE12K, PDE12R, PDE15K, PDE15R ITEM PART PART DESCRIPTION USED ON MODEL NUMBER 69700406 Inhalation Tube PDE09K3SG, PDE09R3SG 69700405 Inhalation Tube PDE12K3SG 69700409 Inhalation Tube PDE15R5SG 69700407 Inhalation Tube PDE12R3SG 69700408 Inhalation Tube PDE15R5SG 69700411 Discharge Tube 1...
  • Page 116 PARTS CATALOG Figure 901 PDE07K, PDE07R, PDE09K, PDE09R, PDE12K, PDE12R, PDE15K, PDE15R ITEM PART PART DESCRIPTION USED ON MODEL NUMBER 69700444 Capacitor CBB61S PDE07R3SG, PDE09R3SG, PDE12R3SG, PDE15R5SG 69700442 Capacitor CBB61 PDE07K3SG, PDE09K3SG 69700449 Capacitor CBB61 PDE07R3SG, PDE07R3SG 69700444 Capacitor CBB61 PDE09K3SG, PDE09R3SG 69700443 Capacitor CBB61...

  • Page 117: Pdh07K, Pdh07R, Pdh09K, Pdh09R, Pdh12K, Pdh12R, Pdh15K, Pdh15R

    PARTS CATALOG PDH07K, PDH07R, PDH09K, PDH09R, PDH12K, PDH12R, PDH15K, PDH15R Figure 902 50 51 75 74...
  • Page 118 PARTS CATALOG Figure 902 PDH07K, PDH07R, PDH09K, PDH09R, PDH12K, PDH12R, PDH15K, PDH15R ITEM PART PART DESCRIPTION USED ON MODEL NUMBER 69700351 Temp Sensor Sleeving PDH07K3SG, PDH07R3SG, PDH09K3SG, PDH09R3SG, PDH12K3SG, PDH12R3SG , PDH15K5SG, PDH15R5SG 69700367 Temperature Sensor PDH07K3SG, PDH07R3SG, PDH09K3SG, PDH09R3SG, PDH12K3SG, PDH12R3SG , PDH15K5SG, PDH15R5SG 68700181 Condenser Assy...
  • Page 119 PARTS CATALOG PDH07K, PDH07R, PDH09K, PDH09R, PDH12K, PDH12R, PDH15K, PDH15R Figure 902 ITEM PART PART DESCRIPTION USED ON MODEL NUMBER 69700367 Temperature Sensor PDH07K3SG, PDH07R3SG, PDH09K3SG, PDH09R3SG, PDH12K3SG, PDH12R3SG , PDH15K5SG, PDH15R5SG 68700192 Air Duct Sub-assy PDH07K3SG, PDH07R3SG, PDH09K3SG, PDH09R3SG, PDH12K3SG, PDH12R3SG , PDH15K5SG, PDH15R5SG 68700147 Bearing Holder Sub-assy...
  • Page 120 PARTS CATALOG PDH07K, PDH07R, PDH09K, PDH09R, PDH12K, PDH12R, PDH15K, PDH15R Figure 902 ITEM PART PART DESCRIPTION USED ON MODEL NUMBER 69700351 Temp Sensor Sleeving PDH07K3SG, PDH07R3SG, PDH09K3SG, PDH09R3SG, PDH12K3SG, PDH12R3SG , PDH15K5SG, PDH15R5SG 69700367 Temperature Sensor PDH07K3SG, PDH07R3SG, PDH09K3SG, PDH09R3SG, PDH12K3SG, PDH12R3SG , PDH15K5SG, PDH15R5SG 69700373 Air Flue Assy...
  • Page 121 PARTS CATALOG Figure 902 PDH07K, PDH07R, PDH09K, PDH09R, PDH12K, PDH12R, PDH15K, PDH15R ITEM PART PART DESCRIPTION USED ON MODEL NUMBER 69700403 Air Inlet Door PDH07K3SG, PDH07R3SG, PDH09K3SG, PDH09R3SG, PDH12K3SG, PDH12R3SG , PDH15K5SG, PDH15R5SG 69700410 One Way Valve PDH07K3SG, PDH07R3SG, PDH12K3SG, PDH12R3SG, PDH15K5SG, PDH15R5SG 69700418 Capillary Sub-assy...
  • Page 122 PARTS CATALOG PDH07K, PDH07R, PDH09K, PDH09R, PDH12K, PDH12R, PDH15K, PDH15R Figure 902 ITEM PART PART DESCRIPTION USED ON MODEL NUMBER 69700448 Capacitor CBB65 PDH09R3SG 69700446 Capacitor CBB65 PDH12K3SG, PDH15K5SG 69700447 Capacitor CBB65 PDH09K3SG, PDH12R3SG, PDH15R5SG 68700112 Transformer PDH07K3SG, PDH09K3SG, PDH12K3SG, PDH15K5SG 68700111 Transformer PDH07R3SG, PDH09R3SG, PDH12R3SG, PDH15R5SG...

  • Page 123: Accessories

    SLEEVE EXTENSION RETROFIT KIT Galvanized zinc coated steel, 2.4" sleeve PXSE 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. DECORATIVE SUBBASE Provides unit support for walls less than six inches PXSBA thick.
  • Page 124 ACCESSORIES New Construction Accessories LATERAL DUCT ADAPTER Attaches to the Friedrich PTAC/PTHP unit to direct PDXDAA up to 35% of the total airflow to a second room. The unit mounted duct plenum features a front mounted aluminum grille that has two positions to provide the most optimal air direction.

  • Page 125: Appendix

    Service Manual Appendix: APPENDIX Appendix 1: Reference Sheet of Celsius and Fahrenheit Reference Sheet of Celsius and Fahrenheit Conversion formula for Fahrenheit degree and Celsius degree: Tf=Tcx1.8+32 Set temperature Fahrenheit Fahrenheit Fahrenheit display Fahrenheit display Fahrenheit Celsius display Fahrenheit Celsius Celsius(°C) temperature (°F)

  • Page 126: Resistance Table Of Indoor Ambient Temperature Sensor (15K)

    Service Manual APPENDIX Appendix 2: List of Resistance for Temperature Sensor Resistance Table of Indoor Ambient Temperature Sensor (15K) Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor(15K) Temp.( Temp.( Temp.( Temp.( -2.2 138.1 18.75 138.2 3.848 208.4 1.071 -0.4 128.6 69.8...

  • Page 127: Resistance Table Of Tube Temperature Sensors For Indoor And Outdoor(20K)

    Service Manual APPENDIX Resistance Table of Tube Temperature Sensors for Indoor and Outdoor(20K) Resistance Table of Tube Temperature Sensors for Indoor and Outdoor(20K) Temp.( Temp.( Temp.( Temp.( -2.2 181.4 25.01 138.2 5.13 208.4 1.427 -0.4 171.4 69.8 23.9 4.948 210.2 1.386 162.1 71.6...

  • Page 128: Resistance Table Of Discharge Temperature Sensor For Outdoor(50K)

    APPENDIX Service Manual Resistance Table of Discharge Temperature Sensor for Outdoor(50K) Resistance Table of Discharge Temperature Sensor for Outdoor(50K) Temp.( Temp.( Temp.( Temp.( -20.2 853.5 120.2 18.34 190.4 4.754 -18.4 799.8 51.8 93.42 17.65 192.2 4.609 -16.6 53.6 89.07 123.8 16.99 4.469 -14.8...

  • Page 129: Warranty

    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.

  • Page 130: Friedrich Authorized Parts Depots

    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.

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