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7-8
PCB and Functions
1
2
3
4
5
6
7
8
CHK (test) pin
DISP pin
TRANS-S plug
EMG plug
If the fuse (F002) has
blown, determine the
cause and correct it.
Then change the socket
from the OC plug to the
EMG plug.
OC plug
Control circuit fuse
(F002)
Power LED
(LD002)
Microcomputer
Nonvolatile memory IC
Indoor heat exchanger
(E2) sensor
Indoor heat exchanger
(E1) sensor
JP001
Room temperature
(TA) sensor
OPTION plug
T10 plug
FAN DRIVE plug
EXCT plug
2. Indoor Unit Control PCB Switches and Functions
Explanation of Functions
Indoor Unit Control PCB
2-2. CR1 (for CR-KR74GXH56/SPW-KR74GXH56~SPW-KR184GXH56) (Wall Mounted)
Summary of Contents for ECO G SPW-GU055XH
Page 2: ...i ...
Page 3: ...ii ...
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Page 200: ...6 2 Electrical Data 1 2 3 4 5 6 7 8 1 Outdoor Unit 1 Electric Wiring Diagram SPW C0705DXHN8 ...
Page 201: ...6 3 Electrical Data 1 2 3 4 5 6 7 8 1 Outdoor Unit Schematic Diagram SPW C0705DXHN8 ...
Page 203: ...6 5 Electrical Data 1 2 3 4 5 6 7 8 1 Outdoor Unit Schematic Diagram SPW C0905 C1155DXHN8 ...
Page 205: ...6 7 Electrical Data 1 2 3 4 5 6 7 8 1 Outdoor Unit Schematic Diagram SPW C1305 C1405DXHN8 ...
Page 207: ...6 9 Electrical Data 1 2 3 4 5 6 7 8 2 Indoor Unit 2 Schematic Diagram SPW GU055 075 105XH ...
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