Service and Parts Manual (2016, 2017, 2018, 2019, 2020, 2021, 2022)

2 PB
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
SPECIFICATIONS 10
General Specications 7-9k Electric Heat 10
General Specications 7-9k Heat Pump Models 11
General Specications 12-15k Electric Heat 12
General Specications 12-15k Heat Pump 13
Electrical Data 15
OPERATION 17
Function and Control 17
Dip Switch Function #1 21
Dip Switch Function #2 22
Dip Switch Function #3&4 23
Dip Switch Function #5&6 24
Dip Switch Function #7 25
Refrigeration Sequence Of Operation 26
Refrigerant System Diagram 27
Routine Maintenance 28
REMOVAL PROCEDURE 29
Remove The Chassis 29
Remove The Chassis 31
UNIT DISASSEMBLY 39
Indoor Motor, Wheel, & Heating Element Assembly 39
Outdoor Motor, Blade, & Shroud Assembly 48
Electronic Board & Electrical Component Replacement 50
INSTALLATION 60
PTAC Installation Recommendations 60
Wall Sleeve Installation Instructions (PDXWS) 61
Alternate Wall Installations 62
PXDR10 Drain Kit Installation 65
External Drain 66
PXGA Standard Grille 67
Electrical Wiring for 265 Volt Models 68
Chassis Install Preparation 70
Chassis Installation 72
How To Connect 73
Thermostat 74
Final Inspection & Start-up Checklist 76
R-410A SEALED SYSTEM REPAIR 77
Refrigerant Charging 78
Undercharged Refrigerant Systems 79
Overcharged Refrigerant Systems 80
Restricted Refrigerant System 81
Sealed System Method of Charging/ Repairs 82
COMPONENT TESTING 83
Hermetic Components Check 83
Reversing Valve Description And Operation 84
Testing The Reversing Valve Solenoid Coil 85
Checking The Reversing Valve 86
Touch Test Chart : To Service Reversing Valves 88
Compressor Checks 89
Compressor Replacement -Special Procedure in Case of Compressor Burnout 92
PCB Printed Diagram Board 1 93
PCB Printed Diagram Board 2 94
Testing Component Voltage at Electronic Control Board 95
TABLE OF CONTENTS