Service and Parts Manual (2018, 2019, 2020, 2021, 2022)
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
- Product Features
- 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
- Function and Control
- Refrigeration Sequence Of Operation
- Refrigerant System Diagram
- PTAC Installation Recommendations
- Wall Sleeve Installation Instructions (PDXWS)
- Alternate Wall Installations
- PXDR10 Drain Kit Installation
- External Drain
- PXGA Standard Grille
- Chassis Install Preparation
- Chassis Installation
- How To Connect
- Install WRT2 Wireless Programmable Thermostat
- Final Inspection & Start-up Checklist
- Refrigerant Charging
- Undercharged Refrigerant Systems
- Overcharged Refrigerant Systems
- Restricted Refrigerant System
- Sealed System Method of Charging/ Repairs
- Hermetic Components Check
- Reversing Valve Description And Operation
- Testing The Reversing Valve Solenoid Coil
- Checking The Reversing Valve
- Touch Test Chart : To Service Reversing Valves
- Compressor Checks
- Compressor Replacement -Special Procedure in Case of Compressor Burnout
- Basic Troubleshooting
- Malfunction Analysis
- Unit Lost Power
- Control Panel Does Not Work
- Malfunction of Temperature Sensor
- E4 Function Error
- E8 Function Error
- E9 Function Error
- Electric Heater Not Running
- Electric Heater Not Running
- 7K Cool+ Electric Heat 230 V
- 9K Cool+ Electric Heat 230v and 265v
- 12K Cool+ Electric Heat 230v and 265v
- 15K Cool+ Electric Heat 230v
- 7K Cool+ Heat Pump 230v
- 9K Cool+ Heat Pump 230v and 265v
- 12K Cool+ Heat Pump 230v and 265v
- 15K Cool+ Heat Pump 230v
- PZE07K3SB,PZE09K3SB, PZE09R3SB, PZE12K3SB, PZE12R3SB, PZE15K3SB
- PZH07K3SB, PZH09K3SB, PZH09R3SB, PZH12K3SB, PZH12R3SB, PZH15K5SB
- Reference Sheet of Celsius and Fahrenheit
- Resistance Table of THERMISTORS (5K)
5 PB
SAFETY
FIRST
WARNING
AVERTISSE-
MENT
ADVERTEN-
CIA
Do not remove, disable
or bypass this unit’s
safety devices. Doing so
may cause re, Doing so
may cause re, injuries,
or death.
Ne pas supprime, désacti-
ver ou contourner cette
l´unité des dispositifs de
sécurité, faire vous risque-
riez de provoquer le feu, les
blessures ou la mort.
No eliminar, desactivar o
pasar por alto los dispositi-
vos de seguridad de la
unidad. Si lo hace podría
producirse fuego, lesiones
o muerte.
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 qualied 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 water on the air conditioning unit while the power is on.
• 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.
• Use air conditioner on a single dedicated circuit within the specied amperage rating.
• Use on a properly grounded outlet only.
• Do not cut or modify the power supply cord or remove the ground prong of the plug.
• Never operate the unit on an extension cord.
• Follow all safety precautions and use proper and adequate protective safety aids such as: gloves, goggles,
clothing, properly insulated tools, and testing equipment etc.
• Failure to follow proper safety procedures and/or these warnings can result in serious injury or death.
INTRODUCTION
Personal Injury Or Death Hazards