Service and Parts Manual (2019, 2020, 2021, 2022)

2 PB
TABLE OF CONTENTS
INTRODUCTION‑ 4
Important Safety Information‑ 4
Personal Injury Or Death Hazards‑ 6
Model Identification Guide‑ 7
SPECIFICATIONS‑ 8
Product Specifications 9k and 12k‑ 8
Product Specifications 18k, 24k and 36k‑ 9
Product Dimensions: Indoor Units‑ 10
Capacities and Selection Data‑ 11
Capacities and Selection Data‑ 12
Remote Control‑ 18
Using Sleep during Off‑Timer Function‑ 20
INSTALLATION‑ 24
Installation Dimension Diagram‑ 24
Main Tools For Installation and Maintenance‑ 25
Install Indoor Unit‑ 27
Power and Wiring‑ 35
Leak Check, Evacuation, and Charging (Triple Evacuation)‑ 36
Checklist and Operation Test‑ 38
MAINTENANCE‑ 39
R‑410A SEALED SYSTEM REPAIR‑ 42
Service Valves Appearance‑ 42
Pumping Down‑ 43
Gas Charging (After Repair)‑ 44
TROUBLESHOOTING‑ 45
Diagnostic Codes‑ 45
Outdoor Unit‑ 45
Outdoor Unit When The Compressor Is In Operation‑ 47
Indoor Unit‑ 48
Led Display‑ 51
Test the jumper terminals‑ 54
Protection Circuit Fault Isolation‑ 55
Compressor Fault Isolation‑ 56
Electric FIlter Board Fault Isolation‑ 56
Electrical Communication Fault ISOLATION‑ 56
Unit does not run‑ 57
Error Code 39‑DC FAN‑ 58
Error Code 39‑PG Fan‑ 59
Error Code 9‑ 60
Error Code 13‑ 61
Error Code 8‑ 61
Error Code 15‑ 62
Error Code 16 Cooling Mode‑ 63
Error Code 16 Heating Mode‑ 63
Error Code 21 Cooling Mode‑ 63
Error Code 11 EEPROM Fault‑ 63
Error Code 20‑ 64
Error Code 33‑ 65
Error Code 34‑ 65
Error Code 14‑ 65
Error Code 1‑ 65
Error Code 2‑ 65
Error Code 6‑ 65
Error Code 19‑ 66