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)
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 others. 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 fol-
lowed. All safety messages will follow the safety alert symbol with the
word “WARNING”or “CAUTION”. These words mean:
Indicates a hazard which, if not avoided, can result in severe personal
injury or death and damage to product or other property.
Indicates a hazard which, if not avoided, can result in personal injury
and damage to product or other property.
Indicates property damage can occur if instructions are not followed.
WARNING
Refrigeration system
under high pressure
Do not puncture, heat, expose to ame or
incinerate.
Only certied refrigeration technicians
should service this equipment.
R410A systems operate at higher pressures
than R22 equipment. Appropriate safe ser-
vice and handling practices must be used.
Only use gauge sets designed for use with
R410A.
Do not use standard R22 gauge sets.
NOTICE
CAUTION
WARNING
The information in this manual is intended for use by a qualied technician who is familiar with the safety proce-
dures 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 unqualied persons can result in subjecting the unqualied 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 encoun-
tered. 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.
Important Safety Information
INTRODUCTION