Service and Parts Manual (2019, 2020, 2021, 2022)
5 PB
INTRODUCTION
The information in this manual is intended for use by a qualified technician who is familiar with the safety procedures 
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 unqualified persons can result in subjecting the unqualified 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 encountered. 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
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 hazards that can kill or hurt you and others.
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.
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 followed.
Indicates property damage can occur if instructions are not followed.
 WARNING
NOTICE
CAUTION
 WARNING
Refrigeration system
under high pressure
Do not puncture, heat, expose to flame or 
incinerate.
Only certified refrigeration technicians should 
service this equipment.
R410A systems operate at higher pressures 
than R22 equipment. Appropriate safe service 
and handling practices must be used.
Only use gauge sets designed for use with 
R410A.  
Do not use standard R22 gauge sets.










