2 PB
TABLE OF CONTENTS
Table of Contents
INTRODUCTION‑ 4
Important Safety Information‑ 4
Personal Injury Or Death Hazards‑ 6
Model Number Identification Guide‑ 8
Serial Number Identification Guide‑ 8
SPECIFICATIONS‑ 9
Product Specifications (Outdoor Unit)‑ 9
Electric Heater Kit Selection Table‑ 14
Sound Pressure Data (Outdoor Units)‑ 15
Sound Pressure Data (Indoor Units)‑ 16
Blower Data (Indoor Units)‑ 17
Product Dimensions (24k Outdoor Unit)‑ 19
Product Dimensions (36k Outdoor Unit)‑ 20
Product Dimensions (48‑60k Outdoor Unit)‑ 21
Product Dimensions (24‑36k Indoor Unit)‑ 22
Product Dimensions (48‑60k Indoor Unit)‑ 23
Capacities and Selection Data‑ 24
Capacities and Selection Data‑ 41
INSTALLATION‑ 42
Safety Precautions‑ 42
Tools‑ 44
Flow Chart‑ 45
Refrigerant Flow Diagram‑ 46
Electrical wiring diagram ‑ Example: Matched AHU+ODU‑ 46
Indoor Unit ‑ Caution Statements‑ 47
Indoor Unit ‑ Component Identification‑ 49
Indoor Unit ‑ Troubleshooting‑ 50
Indoor Unit ‑ Air‑Filter‑ 51
Indoor Unit ‑ Caution Statements‑ 52
Indoor Unit ‑ Installation Location and Clearances‑ 53
Indoor Unit ‑ Install Unit‑ 54
Indoor Unit ‑ Refrigerant Piping‑ 55
Indoor Unit ‑ Drain Piping‑ 56
Indoor Unit ‑ Electrical Wiring‑ 57
Indoor Unit ‑ Changing Static Pressure‑ 59
Outdoor Unit Handling and Installation location Selection‑ 60
Outdoor Unit Drainage Elbow and Condensate Hose Installation‑ 61
Outdoor Unit Installation‑ 61
Outdoor Unit ‑ Wiring‑ 62
Refrigerant Piping ‑ 65
Leak Check, Evacuation, and Charging (Triple Evacuation)‑ 67
Test Run‑ 68
OPERATION‑ 69
Control Functions‑ 69
Control logic description‑ 70
Cooling Mode‑ 70
24k BTU Refrigerant Cycle‑ 74
36k BTU Refrigerant Cycle‑ 75
48k to 60k BTU Refrigerant Cycle‑ 76
Outdoor Unit Field Settings‑ 77
Indoor Unit Field Settings‑ 84
TROUBLESHOOTING‑ 85
Normal Malfunction‑ 85
Diagnostic Codes ‑ Outdoor Unit‑ 87
Overload in cooling mode‑ 88
Overload in heating mode‑ 88
Diagnostic Codes ‑Drive Faults 24‑36k‑ 89
Diagnostic Codes ‑Drive Faults 48‑60k‑ 91
Diagnostic Codes ‑ Outdoor Unit‑ 94
Test Refrigeration System‑Cooling Mode‑ 95
Test Refrigeration System‑Heating Mode‑ 96
COMPONENTS TESTING ‑ 97
Compressor‑ 97
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