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

3 PB
TABLE OF CONTENTS
Leak Check, Evacuation, and Charging (Triple Evacuation)‑ 71
Field Settings (ESP Setting) Duct Type Only‑ 73
Field Settings (Indoor Unit Parameter Revision)‑ 74
Field Settings (Queery by 7 segment display)‑ 77
Field Settings (Function Settings)‑ 79
INSTALLATION‑ 80
Field Settings Outdoor Unit Dip Switch‑ 80
Checklist‑ 81
Operation Test‑ 82
Cassette and Ducted Condensate Pump Drain Line‑ 82
Fresh Air Intake‑ 83
R‑410A SEALED SYSTEM REPAIR‑ 84
Service Valves Appearance‑ 84
Pumping Down‑ 85
Gas Charging (After Repair)‑ 86
Replace 9‑18k Outdoor unit Compressor and Motor‑ 87
Replace 24k Outdoor unit Compressor and Motor‑ 88
Replace 36k Outdoor unit Compressor and Motor‑ 89
Replace 9k and 12k Duct Type unit Compressor and Motor‑ 90
Replace 18k Duct Type unit Compressor and Motor‑ 91
Replace 24k Duct Type unit Compressor and Motor‑ 92
Replace 36k Duct Type unit Compressor and Motor‑ 93
Replace 9k, 12k, and18k Cassette Type unit Compressor and Motor‑ 94
Replace 9k, 12k, and18k Cassette Type unit Compressor and Motor‑ 95
Replace 9k, 12k, and18k Cassette Type unit Compressor and Motor‑ 96
Replace 24k and 36k Cassette Compressor and Motor Type unit Compressor and Motor‑ 97
TROUBLESHOOTING‑ 98
9‑18k Outdoor Unit‑ 100
24‑36k Outdoor Units‑ 101
Outdoor Unit Fault Code‑ 103
Indoor Unit Fault Codes ‑ 106
Drive fault code (3.0/3.5HP) ‑ 110
Drive Fault Code (24K/36K)‑ 111
E36 Fault Code‑ 113
COMPONENTS TESTING ‑ 115
Indoor Unit Fan Motor‑ 115
Compressor‑ 116
EEV Stepper Coil‑ 119
Check Refrigerant System‑ 120
Test System Flow‑ 121
Check Fuse and Capacitor‑ 122
9‑18k Ducted Control Board ‑ 123
24‑36k Ducted units and 9‑36k Cassettes Control Board‑ 124
9‑12k Outdoor Unit Control Board‑ 125
18k Outdoor Unit Control Board‑ 126
24k Outdoor Unit Control Board‑ 127
36k Outdoor Unit Control Board‑ 128
24‑36k Outdoor Unit Drive Board‑ 129
WIRING DIAGRAMS‑ 130
Ducted Indoor Units 9k, 12k, and 18k‑ 130
Ducted Indoor Units 24‑36k‑ 131
9k‑36k Indoor Cassette Units‑ 132
9‑18k Outdoor Units‑ 133