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Friedrich
Air Conditioner
FPWC1
Friedrich FPWC1 Service Manual
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130
PB
C
OMPONENTS TESTING
1
8
k Outdo
or Main Pr
inted Circ
uit Boar
ds
NO.
D
esc
r
iptio
n
1
2
G
as B/L
i
qu
i
d B/
Gas
A
/L
i
qu
id
A
se
nsor
3
High
P
re
ss
ur
e S
w
i
tc
h
4
Di
sc
har
ge
Sensor
/
Defrost Se
nsor
/
C
oil
S
en
s
or /S
ucti
on S
en
sor
/
Out
door
S
en
sor
5
S
en
sor
S
ig
nal t
o
M
ain
B
oar
d
6
Liq
u
id
C
/
Gas C
/L
i
qu
i
d
D/G
as
D
se
nsor
(In
va
lid
f
or
1
8K
)
7
S
ele
ct
S
wi
tc
h
S
i
gna
l
t
o M
ain
b
oar
d
to Ind
oo
r
C
omm
uni
cat
i
on
sig
n
al
t
o
m
ai
n
boar
d
Sensor PCB
Display PCB
129
131
Table of Contents
Table of Contents
2
Introduction
4
Important Safety Information
4
Personal Injury or Death Hazards
6
Model Identification Guide
8
Product Appearance
9
Specifications
11
Product Specifications Multi-Zone Wall-Mounted
11
Product Specifications Multi-Zone-Cassette
12
Product Specifications Multi-Zone Concealed Ducted
13
Product Specifications 18K, 24K and 36K Outdoor Condensor
14
Product Dimensions: Wall Mounted Indoor Units
16
Product Dimensions: 9K, 12K, and 18K Ducted Indoor Units
17
Product Dimensions: 9K and 12K Cassette
18
Product Dimensions: 18K and 24K Cassette
19
Product Dimensions: 24K Outdoor Units
20
Product Dimensions: 36K Outdoor Units
21
Product Dimensions: 42K Outdoor Units
22
Electrical Requirements 24K, 36K, and 42K Outdoor Units
33
Correction Factors
35
Piping Length Factor Chart
36
Operation
38
Display Panel
38
Using Sleep During Off-Timer Function
41
Control Mode (Indoor Unit Mode Control)
45
Outdoor Unit Control Mode
46
Installation
52
Leak Check, Evacuation, and Charging (Triple Evacuation)
55
Checklist
57
Field Settings (ESP Setting) Duct Type Only
58
Field Settings (Indoor Unit Parameter Revision)
59
Operation Test
68
Cassette and Ducted Condensate Pump Drain Line
68
Fresh Air Intake
69
Maintenance
70
Troubleshooting
73
Normal Malfunctions
73
Test the Jumper Terminals
74
Protection Circuit Fault Isolation
75
Compressor Fault Isolation
76
Indoor Fault Codes
76
Indoor Fault Code
79
Outdoor Fault Codes
80
18K Outdoor Drive Fault Codes
90
24K, 36K, and 42K Outdoor Drive Fault Codes
91
Diagnosis and Solutions
93
E36 Error
104
Blank Display/Indoor Unit Door Micro Switch
106
R-410A Sealed System Repair
109
Service Valves Appearance
109
Pumping down
109
Gas Charging (after Repair)
111
Replace 18/24K Outdoor Unit Compressor and Motor
112
Replace 36/ 42K Outdoor Unit Compressor and Motor
113
Replace 9K and 12K Duct Type Unit Compressor and Motor
114
Replace 18K Duct Type Unit Compressor and Motor
115
Replace 9K, 12K, And18K Cassette Type Unit Compressor and Motor
116
Replace 9K, 12K, And18K Cassette Type Unit Compressor and Motor
117
Replace 24K and 36K Cassette Compesdsor and Motor Type Unit Compressor and Motor
119
Components Testing
120
Compressor
120
Fan Motor
121
EEV Stepper Coil
122
Check Refrigerant System (Outdoor)
123
Test System Flow (Outdoor)
124
Check Fuse and Capacitor
125
7K Indoor Wall Mount Printed Circuit Board
126
Ducted 9,12, and 18K Ducted Indoor Units Control Board
127
Ducted 24K and 9-24K Cassette Indoor Units Control Board
128
18K Outdoor Main Printed Circuit Boards
130
24K Outdoor Main Printed Circuit Board
131
24K Outdoor Drive Printed Circuit Board
132
36K/ 42K Outdoor Main Printed Circuit Board
133
36K/ 42K Outdoor Drive Printed Circuit Board
134
Wiring Diagrams
135
7K Wall Units
135
Ducted Indoor Units 9K, 12K, and 18K
136
9K-36K Indoor Cassette Units
137
18K Outdoor Units
138
36K Outdoor Units
140
42K Outdoor Units
141
Appendix
142
Reference Sheet of Celsius and Fahrenheit
142
Pipe Expanding Method
143
Resistance Table Coil and Room Sensor
144
Resistance Table of Outdoor Compressor Temperature Sensor
145
Interactive Parts Viewer
147
Limited Warranty
147
Friedrich Authorized Parts Depots
148
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Friedrich FPWC1 Specifications
General
Brand
Friedrich
Model
FPWC1
Category
Air Conditioner
Language
English
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