Tadiran Telecom SUV2-H18/1CFA-N, Service Manual

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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-G
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 GOM-BL Communication interface NO.1 communication interfaceblack
14 GOM-WH Communication interface NO.2 communication interfacewhite
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
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Outdoor Unit(18K)
● Top View
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