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)
80 PB
TROUBLESHOOTING
Compressor not running
System refrigerant injects too much, this will cause compressor start failure.
Wrong wiring after repairing. Check the wiring with the circuit diagram.
Compressor overloaded. Wait several minutes to restart.
DIP switch setting error. Check it with the circuit diagram.
Figure 723