46
Troubleshooting
Troubleshooting
8. Troubleshooting
8.1 PCB Printed Diagram
NO.
Silk scren name
Connector
function note
1
U (BU) V (YE) W (RD)
Compressor power line interface
Connect compressorU(BU) connect blue V
(YE) connect yellow W(RD) connect red
2
OUTFAN1
DC fan interface
Connect outdoor DC fan
3
P-SW
Pressure switch interface
Connect pressure switch (Reserve)
4
OVL
Overload interface
Connect compressor overload (Reserve)
5
EEV-BL
E l e c ! r o n i c e x p a n s i o n v a l v e
in!erface
Connect nO.1 electronic expansion valve
black interface
6
EEV-WH
E l e c ! r o n i c e x p a n s i o n v a l v e
in!erface
Connect no.2 electronic expansion valve
white interface
7
TEMP
Temp testing interface
Connect temp sensor
8
TUBE
Pipe temp testing interface
Connect 1&2 pipe temp sensor
9
HEAT-B
Chassis electrical heater inteace Connect chassis electrical heater belt
10
HEAT-C
Compressor elec!rical hea!er
in!erface
Connect compressor electrical heater belt
11
F-WAY
4- ay-valve interface
Connect 4 tay-valve
12
OUTFAN2
AC fan interface
Connect outdoor AC fan
13
COM-BL
Communication interface
No.1 communication interface black
14
COM-WH
Communication interface
No.2 communication interface white
15
AG L
Power live wire inteace
Connect power live wire
16
AG N
Power naught wire interface
Connect power naught wire
17
PE
Earth wire inteace
Connect earth wire
18
RE-1.RE-2
Reactor interface
Connect reactor
1
2
3
4
5
6
7
Outdoor Unit(18K)
●
Top View
8
9
10
11
12
13
14
15
16
17
18
Содержание SUV2-H18/3CFA-N
Страница 3: ...Summary and Features Outdoor Unit 18K 24K 28K ...
Страница 4: ...36K 42K ...
Страница 20: ...16 Construction Views Construction Views 24K 28K Unit mm 920 990 790 394 370 426 610 ...
Страница 21: ...17 Construction Views Construction Views 36K 42K Unit mm 950 1020 997 368 340 396 590 ...
Страница 23: ...19 Schematic Diagram Schematic Diagram SUV2 H18 1CFA N 24K ...
Страница 42: ...38 Troubleshooting Troubleshooting Model 28K ...
Страница 44: ...40 Troubleshooting Troubleshooting Model 36K ...
Страница 47: ...43 Troubleshooting Troubleshooting Model 42K ...