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FPHFW18A3B
Friedrich FPHFW18A3B Service Manual
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85
PB
WIRING DIAGRAMS
Indoor Units
Figure 802
FPHFW09A3A, FPHFW09A3B
Figur
e 801
FPHSW09A1A, FPHSW09A1B, FPHFW09A3A, FPHFW09A3B, FPHFW12A3A, FPHFW12A3B,
FRHSW12A3A, FRHSW12A3B, FPHFW18A3A, FPHFW18A3B
84
86
Table of Contents
Table of Contents
2
Introduction
4
Important Safety Information
4
Personal Injury or Death Hazards
6
Model Identification Guide
8
Specifications
9
Product Specifications 9K and 12K
9
Product Specifications 18K, 24K and 36K
10
Product Dimensions: Indoor Units
11
Capacities and Selection Data
12
Remote Control
19
Using Sleep During Off-Timer Function
21
Installation
25
Installation Dimension Diagram
25
Main Tools for Installation and Maintenance
26
Install Indoor Unit
28
Power and Wiring
36
Leak Check, Evacuation, and Charging (Triple Evacuation)
37
Checklist and Operation Test
39
Maintenance
40
Troubleshooting
43
Diagnostic Codes-Outdoor Unit
43
Outdoor Unit When the Compressor Is in Operation
45
Indoor Unit
46
Led Display
49
Test the Jumper Terminals
52
Protection Circuit Fault Isolation
53
Compressor Fault Isolation
54
Electric Filter Board Fault Isolation
54
Electrical Communication Fault ISOLATION
54
Unit Does Not Run
55
Error Code 39-DC FAN
56
Error Code 39
56
Error Code 39
57
Error Code 16 Cooling Mode
61
Error Code 16 Heating Mode
61
Error Code 21 Cooling Mode
61
Error Code 11 EEPROM Fault
61
Error Code 33
63
Error Code
64
Blank Display/Indoor Unit Door Micro Switch
69
Components Testing
71
Compressor
71
EEV Stepper Coil
72
Fan Motor
73
Printed Circuit Board Diagram Lookup Chart
75
Printed Circuit Board (Indoor)
76
Printed Circuit Board (Outdoor)
78
R-410A Sealed System Repair
81
Service Valves Appearance
81
Gas Charging (after Repair)
82
Pumping down
83
Wiring Diagrams
84
Wiring Diagram Lookup Table
84
Indoor Units
85
Outdoor Units
87
Appendix
89
Appendix 1: Reference Sheet of Celsius and Farenheit
89
Appendix 2: Pipe Expanding Method
90
Appendix 3 Resistance Table of Indoor Coil and Indoor Room Sensor
91
The Resistence Table of Outdoor Coil and Outdoor Air Sensor
91
Resistance Table of Outdoor Compressor Temperature Sensor
92
Limited Warranty
93
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Friedrich FPHFW18A3B Specifications
General
Brand
Friedrich
Model
FPHFW18A3B
Category
Air Conditioner
Language
English
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