Service & Parts Manual (2019, 2020, 2021, 2022)
Table Of Contents
4 PB
SAFETY 
FIRST
 WARNING  AVERTISSEMENT  ADVERTENCIA
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, désactiver ou 
contourner cette l´unité des 
dispositifs de sécurité, faire vous 
risqueriez de provoquer le feu, les 
blessures ou la mort.
No eliminar, desactivar o pasar 
por alto los dispositivos 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










