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42QHC018DS series
Carrier 42QHC018DS series Service Manual
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Light C
ommercial
SUPER
INVERTE
R S
ERIES
MULTI TY
PE
Service
Manual
2017
2
Table of Contents
Table of Contents
2
General Information of Indoor Units
4
Features
5
Dimensions
15
Service Space (Unit: MM)
22
Wiring Diagram
25
Static Pressure (Duct)
31
Operation Temperature Range
32
Electronic Function
33
General Information of Outdoor Units
43
Features
44
Dimensions
45
Refrigeration Cycle Diagram
46
Wiring Diagram
48
Indoor Units Combination
52
Sound Levels
53
Installation Details
54
Electronic Control Function
62
Troubleshooting
67
IPM Module Malfunction
68
Low Pressure Protection of Compressor
68
Mode Conflict
68
Off) ☆(Flash at 2Hz)
68
Over Voltage or over Low Voltage Protection
68
Too Low Ambient Temperature Protection
68
Indoor EEPROM Malfunction E0
70
Indoor Fan Speed Has Been out of Control E3
74
Open or Short Circuit of T1 Temperature Sensor E4
76
Open or Short Circuit of T2 Temperature Sensor E5
76
Open or Short Circuit of T3 Temperature Sensor F2 O
76
Open or Short Circuit of T4 Temperature Sensor F1 O
76
Open or Short Circuit of T5 Temperature Sensor F3 O
76
Outdoor EEPROM Malfunction (for some Units)
78
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Installation Manual
366 pages
5
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Carrier 42QHC018DS series Specifications
General
Brand
Carrier
Model
42QHC018DS series
Category
Air Conditioner
Language
English
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