Page 2 - TABLE OF CONTENTS
2 PB Table of Contents INTRODUCTION 4 Important Safety Information 4 Personal Injury Or Death Hazards 5 Operation of Equipment in During Construction 7 Model Number Reference Guide 8 Serial Number Reference Guide 9 Product Features 10 SPECIFICATIONS 12 General Specifications 7-9k Electric Heat 12 Ge...
Page 4 - Your safety and the safety of others is very; Refrigeration system; NOTICE; service this product.; Important Safety Information; INTRODUCTION
4 PB Your safety and the safety of others is 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 haz- ards that can kill or hurt you and othe...
Page 5 - Personal Injury Or Death Hazards; WARNING
5 PB SAFETY FIRST WARNING AVERTISSE- MENT ADVERTEN- CIA Do not remove, disable or bypass this unit’s safety devices. Doing so may cause fire, Doing so may cause fire, injuries, or death. Ne pas supprime, désacti- ver ou contourner cette l´unité des dispositifs de sécurité, faire vous risque- riez de...
Page 6 - REFRIGERATION SYSTEM REPAIR HAZARDS:; PROPERTY DAMAGE HAZARDS; WATER DAMAGE HAZARDS:
6 PB • 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 inj...
Page 7 - Operation of Equipment in During Construction
7 PB INTRODUCTION Operation of Equipment in During Construction • OPERATION OF EQUIPMENT MUST BE AVOIDED DURING CONSTRUCTION PHASES WHICH WILL PRODUCE AIRBORNE DUST OR CONTAMINATES NEAR OR AROUND AIR INTAKE OPENINGS: • Wood or metal framing; • Dry walling or sheathing, • Spackling or applying joint ...
Page 8 - proper diagnosis and repair.; Model Number Reference Guide; MODEL NUMBER
8 PB INTRODUCTION 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. Figure 103 This service manual is designed to be used in conjunction with the installation and operation manuals provided with each air...
Page 9 - Serial Number Reference Guide; YEAR OF MANUFACTURE; PTAC Serial Number Identification Guide; PRODUCT LINE; MONTH MANUFACTURED
9 PB INTRODUCTION Serial Number Reference Guide Figure 104 YEAR OF MANUFACTURE 17 = 2017 18 = 2018 19 = 2019 20 = 2020 21 = 2021 22 = 2022 MONTH OF MANUFACTURE 01 = JANUARY 02 = FEBRUARY 03 = MARCH 04 = APRIL 05 = MAY 06 = JUNE 07 = JULY 08 = AUGUST 09 = SEPTEMBER 10 = OCTOBER 11 = NOVEMBER 12 = DEC...
Page 10 - Product Features
10 PB INTRODUCTION Product Features 19 Product 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.M...
Page 12 - SPECIFICATIONS; General Specifications 7-9k Electric Heat
12 PB SPECIFICATIONS General Specifications 7-9k Electric Heat Figure 201 (General Specs) PZE Series with Electric Heat PZE07K PZE09K PZE09R PERFORMANCE DATA: Cooling Btu 7200/6800 9600/9400 9200 Cooling Watts 600/565 815/800 800 Energy Efficiency Ratio, EER 12.0 11.8/11.8 11.5 Heater Size (kW) 3.6 ...
Page 13 - General Specifications 7-9k Heat Pump Models
13 PB SPECIFICATIONS General Specifications 7-9k Heat Pump Models PTAC Heat Pump models PZH07K PZH09R PZH09R PERFORMANCE DATA:Cooling Btu 7200/6800 9600/9400 9200 Cooling Watts 600/565 815/800 800 Energy Efficient Ratio, Eer 12.0/12.0 11.8/11.8 11.5 Reverse Heating Btu 6400/6300 8500/8200 8500 Heati...
Page 14 - General Specifications 12-15k Electric Heat
14 PB SPECIFICATIONS General Specifications 12-15k Electric Heat PTAC Electric Heat models PZE12K PZE12R PZE15K PERFORMANCE DATA: Cooling Btu 12000/11800 12000 14500/14300 Cooling Watts 1050/1035 1130 1420/1400 Energy Efficiency Ratio, EER 11.4/11.4 10.6 10.2/10.2 Heater Size (kW) 3.6 3.6 5.0 Moistu...
Page 15 - General Specifications 12-15k Heat Pump
15 PB SPECIFICATIONS General Specifications 12-15k Heat Pump PTAC Heat Pump models PZH12K PZH12R PZH15K PERFORMANCE DATA:Cooling Btu 12000/11800 12000 14500/14300 Cooling Watts 1050/1035 1130 1420/1400 Energy Efficient Ratio, Eer 11.4/11.4 10.6 10.2/10.2 Reverse Heating Btu 11000/10800 11400 13600/1...
Page 17 - Electrical Data; Rating; Electrical Shock Hazard
17 PB SPECIFICATIONS Electrical Data 13 FUSE/CIRCUIT BREAKER Use ONLY type and size fuse or H V AC / R 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 ...
Page 18 - Electrical Wiring for 265 Volt; Power Cord Installation
18 PB SPECIFICATIONS Electrical Data 14 TABLE 2 MODEL HEATER kW Power Cord Kit Voltage Amperage Receptacle PZE / PZH07K 3.6 STD 230/208 20 NEMA 6-20r PZE / PZH09K 3.6 STD 230/208 20 NEMA 6-20r PZE / PZH12K 3.6 STD 230/208 20 NEMA 6-20r PZE / PZH15K 5.0 STD 230/208 30 NEMA 6-30r PZE / PZH09R 3.6 STD ...
Page 20 - OPERATION; Function and Control; Buttons and Display; Temperature Parameter
20 PB OPERATION Function and Control Buttons and Display 1) Buttons There are ON/OFF, UP, DOWN, HEAT, COOL, CONSTANT FAN and fan speed of HIGH, LOW, AUTO buttons. 1. ON/OFF: Press to turn power on or off to the unit. 2. COOL, HEAT: choose the mode of operation 3. HIGH, LOW, AUTO: choose the fan spee...
Page 21 - ) Temperature Sensor Open Circuit or Short Circuit Protection
21 PB OPERATION Function and Control 2) Heating Mode Working condition and process for heating: When T1 ≤ Ts -2 ° F(1°C), the unit is running in heating mode. Heat pump or electric heating will start depending on the ambient temperature condition or the heating priority setting (#4 DIP SWITCH, ON- f...
Page 22 - Special Function
22 PB OPERATION Function and Control Special Function 1) Advanced Settings Fahrenheit / Centigrade display Fahrenheit and Centigrade display mode can be switched over by holding the UP and DOWN two buttons at the same time for 3 sec. Setting Temperature Range Hold UP and HIGH fan speed buttons at th...
Page 23 - Digital Control User Input Configuration; DIP SWITCH
23 PB OPERATION Digital Control User Input Configuration The adjustable control dip switches are located at the front portion of the digital Smart Center. The inputs are only visible and accessible with the front cover removed from the PTAC. 1. Switch 1-Reserved. 2. Switch 2-Heat pump enable/disable...
Page 24 - Digital Control; C o n s t a n
24 PB OPERATION Digital Control The unit is factory configured to display all temperatures in degrees Fahrenheit (°F). To switch to degrees Celsius, press the “UP” and “DOWN” buttons simultaneously for three seconds. The display will switch to C degrees. To revert back to °F, press the “UP” and “DOW...
Page 25 - General Knowledge Sequence Of Refrigeration
25 PB OPERATION General Knowledge Sequence Of Refrigeration 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...
Page 26 - Refrigerant System Diagram
26 PB OPERATION Refrigerant System Diagram (1)Cooling + Heat Pump + Auxiliary Electric Heater (2) Cooling + Electric Heater COOLED AIR OUTDOOR COILS HOT DISCHARGED AIR CAPILLARY AXIAL FAN COMPRESSOR HEATING MODE COOLING MODE NOTES: REFRIGERANT FLOW DIRECTION CENTRIFUGAL OR CROSS FAN HOT AIR INDOOR C...
Page 27 - INSTALLATION; PTAC Installation Recommendations; OUTSIDE
27 PB INSTALLATION PTAC Installation Recommendations 5 PTAC Installation Recommendations For proper PTAC unit performance and maximum operating life refer to the minimum installation clearances below: Figure 1 PTAC units should be installed no closer than 12" apart when two units are side by sid...
Page 28 - Wall Sleeve Installation Instructions (PDXWS); Wall Sleeve Installation Instructions (; Falling Object Hazard; See Page 9; Typical Wall Sleeve Installation
28 PB INSTALLATION Wall Sleeve Installation Instructions (PDXWS) 6 Wall Sleeve Installation Instructions ( PDXWSA) 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" in...
Page 29 - Alternate Wall Installations; Alternate Wall Instalations; Panel Wall; Curtain Wall; Frame and Brick Veneer; Block and Brick Veneer
29 PB INSTALLATION Alternate Wall Installations 7 Alternate Wall Instalations Figure 4 Panel Wall Figure 6 Curtain Wall FRP004 FRP006 Figure 5 Frame and Brick Veneer Figure 7 Block and Brick Veneer FRP005 FRP007 NOTE: Follow all wall system manufacturer installation instructions. For sunrooms and mo...
Page 30 - Wall Sleeve Attachment; Dimensions
30 PB INSTALLATION Alternate Wall Installations 8 13-¾ " Figure 8 Wall Sleeve Attachment NOTE: The Wall Sleeve must be horizontally level (side-to-side) and pitched 1/4 bubble to the outside when installed in an opening. The mounting hole locationshould be approximately 2-4” from the top and bot...
Page 31 - Lintel Installation; One-Piece Deep Wall Sleeve
31 PB INSTALLATION Alternate Wall Installations 9 5. Drill two 3/16" holes through each side of the sleeve approximately 4" from top and 4" from bottom of sleeve. Screw four #10 x 1" screws (included) or appropriate fasteners for your installation, through the holes in the sides of t...
Page 32 - PXDR10 Drain Kit Installation; Internal Drain; Drain Kit Location and Installation; SIDE VIEW; QUANTITY
32 PB INSTALLATION PXDR10 Drain Kit Installation 10 PXDR10 Drain Kit Installation Instructions (optional for new construction) NOTE: . Determine whether drain will be located within the wall, on the indoor side, or will drain to the exterior of the building. Follow appropriate instructions below dep...
Page 33 - External Drain; External Drain (for new; Cover Plate Installation; Drain Kit Installation
33 PB INSTALLATION External Drain 11 External Drain (for new construction or unit replacement) When using an external drain system, the condensate is removed through either of two drain holes on the back of the wall sleeve. Select the drain hole which best meets your drainage situation and install t...
Page 34 - PXGA Standard Grille; PXGA; Standard Grille; Description; Quantity
34 PB INSTALLATION PXGA Standard Grille 12 PXGA Standard Grille Inst al lation Instructions 1. Remove the center support and weatherboard if still installed in the sleeve. 2. Insert six plastic grommets into the grille openings from the outside of the grille as shown in Figure 13. 3. Insert two #8 x...
Page 35 - Chassis Install Preparation; Suffocation Hazards
35 PB INSTALLATION Chassis Install Preparation 16 Chassis Install Preparation Check to be sure the wall sleeve, extension (if used), grille, and drain kit are installed properly before chassis installation. 1. Remove the weatherboard and center support from the sleeve (if still in place). Be sure an...
Page 36 - CAUTION; Unit Damage Hazard; Shipping Screw Location; Shipping Tape Location; Removing Front Panel
36 PB INSTALLATION Chassis Install Preparation 17 CAUTION 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. 3. Ca...
Page 37 - Chassis Installation; Securing Unit; Excessive Weight Hazard; Copper refrigerant tubes are NOT handles.; Replacing Front Panel
37 PB INSTALLATION Chassis Installation 18 Chassis Installation 1. Lift unit level and slide unit into wall sleeve until seal rests firmly against front of wall sleeve. Figure 23 Securing Unit 3. Place tabs over top rail (1) . Push inward at bottom until panel snaps into place (2). 4. Reinstall fron...
Page 38 - How To Connect
38 PB INSTALLATION How To Connect 16 Chassis Install Preparation Check to be sure the wall sleeve, extension (if used), grille, and drain kit are installed properly before chassis installation. 1. Remove the weatherboard and center support from the sleeve (if still in place). Be sure an outdoor gril...
Page 39 - Install WRT2 Wireless Programmable Thermostat; Installer Button Codes
39 PB INSTALLATION Install WRT2 Wireless Programmable Thermostat NOTE: Instructions to install the WRT2 thermostat are included in this service manual. For all other thermostat installation and troubleshooting, refer to the Installation/ Operation Manual and the applicable thermostat Accessory manua...
Page 40 - Installing the Thermostat; Singe Stage Cool /Heat Pump PTAC Units with Electric (Auxiliary); Single Stage Cool PTAC Units with Electric Heat (Models
40 PB INSTALLATION Install WRT2 Wireless Programmable Thermostat Installing the Thermostat The WRT2 thermostat comes in two parts: a receiver unit that is wired to the PTAC unit and a transmitter unit that is installed on the wall and wirelessly communicates with the receiver unit. Mount Receiver Un...
Page 41 - To control the unit with a wall mounted thermostat follow; (Figure 508) Control board with optional PDXRTB
41 PB INSTALLATION Install WRT2 Wireless Programmable Thermostat To control the unit with a wall mounted thermostat follow the steps below: 1. Restore power to the PTAC unit. 2. Under stand-by mode, press the “Cool” and “UP” buttons simultaneously for three seconds, the digital displays character“r”...
Page 42 - Pair Transmitter and Receiver Unit
42 PB INSTALLATION Install WRT2 Wireless Programmable Thermostat Pair Transmitter and Receiver Unit 1. Insert 2xAA brand name alkaline batteries (included) into the thermostat transmitter. NOTE: Important: Alkaline batteries must be replaced once every 2 years regardless of battery level. Failure to...
Page 43 - RF PAIRING
43 PB INSTALLATION Install WRT2 Wireless Programmable Thermostat RF PAIRING The RF icon in the top right corner of the LCD shows the RF connection state between transmitter and receiver. (Figure 513) • BLANK: No receiver paired • SOLID: Transmitter and receiver connected • FLASHING: Receiver paired ...
Page 44 - Mount Transmitter Unit; The Transmitter should NOT be mounted:
44 PB INSTALLATION Install WRT2 Wireless Programmable Thermostat Mount Transmitter Unit 1. Mount the thermostat transmitter on an inside wall about five feet above the floor in an area that has good circulation but is not directly affected by a supply vent or return. NOTE: .For optimal RF Pairing an...
Page 45 - INSTALLER SETTINGS; HOW TO ENTER
45 PB INSTALLATION Install WRT2 Wireless Programmable Thermostat INSTALLER SETTINGS HOW TO ENTER • Set thermostat to OFF mode • Hold UP + FAN for 5 seconds HOW TO NAVIGATE • Press UP or DOWN to change setting value • Press MODE to save setting value and proceed to next setting option • Press FAN to ...
Page 46 - NORMAL OPERATION
46 PB INSTALLATION Install WRT2 Wireless Programmable Thermostat NORMAL OPERATION CHANGING MODE • Press MODE button to initiate mode selection menu • Press MODE button until desired system mode is blinking. After 2 seconds of no button press desired mode is selected CHANGING SET TEMPERATURE • Ensure...
Page 47 - Routine Maintenance; Decorative Front
47 PB 27 q Inspect and ensure that all components and accessories have been installed properly and that they have not been damaged during the installation process. q Check the condensate water drain(s) to ensure they are adequate for the removal of condensate water, and that they meet the approval o...
Page 48 - coil can be gently sprayed with a garden hose.; Fan Motor & Compressor; Wall Sleeve; Electrical / Electronic; operating temperatures.; Air Filter; warrant. The unit must be turned off before the filter is cleaned.
48 PB 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...
Page 49 - TROUBLESHOOTING; Basic Troubleshooting
49 PB TROUBLESHOOTING Basic Troubleshooting function e Insufficient cooling/ heating
Page 51 - Malfunction Analysis
51 PB TROUBLESHOOTING Malfunction Analysis Malfunction Possible Reasons How to solve Start Failure power line broken, units without power supply "Check the indicator LED on the LCID power head, and it should be lit up ;If not, push the RESET button, if no volt- age still, but power grid has outp...
Page 54 - Unit Lost Power
54 PB TROUBLESHOOTING Unit Lost Power Figure 701 Check power cord connection. LED on the plug should be lit up green. If not, press the RESET button. If not solved, check voltage in the socket. If the power- cord is broken, replace it.
Page 55 - Control Panel Does Not Work
55 PB TROUBLESHOOTING Control Panel Does Not Work Figure 702 1. Check Power Supply for appropriate voltage. 2. If the power supply voltage is OK, but the control panel does not work, the 24V thermostat could be faulty. Check the ther- mostat. 3. To check the control panel, press and hold the [Cool] ...
Page 56 - Malfunction of Temperature Sensor
56 PB TROUBLESHOOTING Malfunction of Temperature Sensor E2/E3/E4/E5 These 4 errors may be the result of the sensor getting lose or becoming broken. Unplug the power cord, open the electric control box, find the main board, connect these plugs firmly. If the problem persists check the resistance of t...
Page 57 - E4 Function Error
57 PB TROUBLESHOOTING E4 Function Error If the E4 error appears during electric heating operation, it could mean that the ir outlet has overheated. Check the indoor outlet or inlet for any obstacles that block the air circulation. Check the indoor motor is functioning properly. Check air filter and ...
Page 58 - E8 Function Error
58 PB TROUBLESHOOTING E8 Function Error In COOLING mode, E8 is defrosting protection, meaning the evaporator is too cold. In HEAT PUMP mode, E8 is evaporator overheat protection. Reasons and solutions: Check if any obstacle blocks the indoor air circulation. Remove obstacles as required. Figure 705 ...
Page 60 - E9 Function Error
60 PB TROUBLESHOOTING E9 Function Error In COOLING mode, E9 is Refrigerant high pressure protection. Reasons and solutions: Outdoor air circulation is bad. Check if any obstacle blocks the air circulation. Condenser is too dirty. Wash the condenser. Unit installation error. If the wall sleeve is too...
Page 63 - Compressor not running
63 PB TROUBLESHOOTING Compressor not running Check the wiring connections. Check the resistance of the compressor. The normal resistance of compressor main winding(black wire to N terminal) is under 10 Ω . NOTE: In order to isolate the compressor windings, the black and white wire will need to be di...
Page 65 - Electric Heater Not Running
65 PB TROUBLESHOOTING Electric Heater Not Running Indoor unit air circulation is blocked. Remove the obstacle. Thermostat on the heater is cut out. Wait for awhile to see if it can restart. Thermal fuse is broken. Replace heater. Wiring error. Check wiring with the circuit diagram. DIP switch of NO....
Page 67 - COMPONENT TESTING; Hermetic Components Check; Be careful with the sharp edges and corners.
67 PB Metering Device - Capillary Tube Systems All units are equipped with capillary tube metering devices. 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 valv...
Page 68 - Reversing Valve Description And Operation; tube to the pilot valve.
68 PB 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 heat...
Page 69 - Testing The Reversing Valve Solenoid Coil; This will cause the coil to burn out.; Touch Test in Heating/Cooling Cycle; ELECTRIC SHOCK HAZARD
69 PB COMPONENT TESTING Testing The Reversing Valve Solenoid Coil 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 l...
Page 70 - and then back to “Cooling”. Rapidly cycle. Do not hammer on valve.; Checking The Reversing Valve; Reversing Valve in Heating Mode; Figure 703 (Checking The Reversing Valve)
70 PB NOTE: You must have normal operating pressures before the reversing valve can shift. Check the operation of the valve by starting the system and switching the operation from “Cooling” to “Heating” and then back to “Cooling”. Rapidly cycle. Do not hammer on valve. Occasionally, the reversing va...
Page 71 - Touch Test Chart : To Service Reversing Valves
71 PB COMPONENT TESTING Touch Test Chart : To Service Reversing Valves DISCHARGE TUBE from Compressor Tube to INSIDE T ube to INSIDE Capillary T ube RIGH T Pilot Capillary T ube Capillary Tube LEF T Pilot SUCTION to Compressor TUBE to Compressor Capillary Tube COI L 14 COIL NORMAL FUNCTION OF VALVE ...
Page 72 - Compressor Checks
72 PB COMPONENT TESTING Compressor Checks 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” ...
Page 73 - Single Phase Resistance Test; CHECKING COMPRESSOR EFFICIENCY
73 PB 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. Single Phase Resistance Test Remove the leads from the com...
Page 74 - R-410A SEALED SYSTEM REPAIR; The following is a list of important considerations; EQUIPMENT MUST BE CAPABLE OF:
74 PB R-410A SEALED SYSTEM REPAIR WARNING Refrigeration system under high pressure O service this equipment.R410A systems operate at higher pressures than R22 equipment. Appropriate safe service and handling practicces must be used.Only use gauge sets designed for use with R410A. Do not use standard...
Page 75 - R-410A SEALED SYSTEM REPAIRS; Refrigerant Charging; RISK OF ELECTRIC SHOCK; NOTE: Always weigh in refrigerant based on the model nameplate.; NOTE: Factory sealed units will not be overcharged
75 PB R-410A SEALED SYSTEM REPAIRS Refrigerant Charging 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 HAZ...
Page 76 - Undercharged Refrigerant Systems; be caused by insufficient air over the evaporator or
76 PB 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 Refrigerat...
Page 77 - Overcharged Refrigerant Systems; make sure that the problem is not caused by air flow
77 PB Overcharged Refrigerant Systems Whenever an overcharged system is indicated, always make sure that the problem is not caused by air flow problems. Improper air flow over the evaporator coil may indicate some of the same symptoms as an over charged system. NOTE: Factory sealed units will not be...
Page 78 - Restricted Refrigerant System
78 PB 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...
Page 79 - Sealed System Method of Charging/ Repairs
79 PB R-410A SEALED SYSTEM REPAIRS Sealed System Method of Charging/ Repairs 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. WARNING FREEZE HAZ...
Page 80 - Compressor Replacement; liquid charge a rotary-compressor
80 PB R-410A SEALED SYSTEM REPAIRS Compressor Replacement 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. WARNIN...
Page 81 - b. Repressurize to 50 PSI with nitrogen.
81 PB R-410A SEALED SYSTEM REPAIRS Compressor Replacement -Special Procedure in Case of Compressor Burnout 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...
Page 82 - Replace The Reversing Valve; REFRIGERANT ACCORDING TO EPA REGULATIONS IS REQUIRED.; valve does not exceed 250°F at any time; after each brazing operation of the four joints involved.
82 PB R-410A SEALED SYSTEM REPAIRS Replace 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 ...
Page 83 - WIRING DIAGRAMS; K Cool+ Electric Heat 230 V
83 PB WIRING DIAGRAMS 7K Cool+ Electric Heat 230 V Figure 801 In ter nal
Page 91 - INTERACTIVE PARTS VIEWER
91 PB INTERACTIVE PARTS VIEWER All Friedrich Service Parts can be found on our online interactive parts viewer. Please click on the link below: Interactive Parts Viewer For Further Assistance contact Friedrich Technical Support at (1-800-541-6645) .
Page 92 - ACCESSORIES; Accessories
92 PB ACCESSORIES 30 New Construction Accessories PDXWSA PDXWSEXT WALL SLEEVE Galvanized zinc coated steel is prepared in an 11-step process, then powder coated with a polyester finish and cured in an oven for exceptional durability. The wall sleeve is insulated for sound absorption and thermal ef- ...
Page 94 - APPENDIX; Appendix 1 Reference Sheet of Celsius and Fahrenheit; Appendix 1: Reference Sheet of Celsius and Fahrenheit
94 PB APPENDIX Appendix 1 Reference Sheet of Celsius and Fahrenheit Service Manual Installation and Maintenance 52 Fahrenheit display temperature (°F) Fahrenheit (°F) Celsius(°C) Fahrenheit display temperature (°F) Fahrenheit (°F) Celsius(°C) Fahrenheit display temperature (°F) Fahrenheit (°F) Celsi...
Page 95 - Appendix 2 Resistance Table of thermistors (5K)
95 PB APPENDIX Appendix 2 Resistance Table of thermistors (5K) Temp Resis Temp Resis Temp Resis Temp Resis Temp Resis -33 130100 7 34252 47 10785 57 8275 97 3119 -32 125518 8 33209 48 10499 58 8063 98 3048 -31 121114 9 32202 49 10221 59 7857 99 2980 -30 116881 10 31228 50 9952 60 7657 100 2913 -29 1...
Page 97 - WARRANTY
97 PB WARRANTY 31 Friedrich Air Conditioning Co. 10001 Reunion Place, San Antonio, TX 78216 800.541.6645 www.friedrich.com PZ-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 sta...
Page 98 - TECHNICAL SUPPORT; 15 W Crossroads Parkway; United Products Distributors Inc.; 7-01 Brooklyn Queens Expway; Total Home Supply
98 PB Friedrich Air Conditioning Co. 10001 Reunion Place, Suite 500 • San Antonio, Texas 78216 1-800-541-6645 www.friedrich.com TECHNICAL SUPPORT CONTACT INFORMATION CUSTOMER SATISFACTION and QUALITY ASSURANCE Friedrich is a conscientious manufacturer, concerned about customer satisfaction, product ...