Tadiran Telecom SUV2-H18/1CFA-N Service Manual page 46

Troubleshooting Troubleshooting
Outdoor Unit(24K/28K)
● Top View
1
NO. Silk scren name
1 U (BU) V (YE) W (RD)
2 P-SW
3 OVL
4 EEV-BK
5 EEV-WH
6 EEV-RD
7 EEV-BU
8 TUBE3-4
9 TEMP
10 TUBE1-2
11 OUTFAN
12 F-WAY
13 HEAT-G
14 HEAT-B
15 GOM-BL
16
17 GOM-RD
18 GOM-YE
19 AC L
20 AC N
21 PE
22 RE-1RE-2
42
5 6
3 4
2
22
Connector
ompressor power line interface
Pressure switch interface
Overload interface
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
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
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
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
Pipe temp testing interface
rremp sensor interface
Pipe temp testing interface
Fan interface
4-way-valve interface
Compressor elec!rical hea!er
in!erface
Chassis electrical heater interface Connect chassis electrical heater belt
Communication inteace
Communication inteace
Communication interface
Communication interface
Power live wire
Power naught wire
Earth wire interface
Reactor interface
7 9
10
11
8
20
21
function note
"Connect compressorU(BU) connect blue
(YE) connect yellow W(RD) connect red"
Connect pressure switch (Reserve)
Connect compressor overload (Reserve)
Connect nO.1 electronic expansion valve
black interface
Connect no.2 electronic expansion valve
white interface
Connect nO.3 electronic expansion valve
red interface
(CRoensneerved)n
valve blue inter ce
Connect nO.3 temp sensor
Connect temp sensor
Connect no 1 2 pipe temp sensor
Connect outdoor fan interface
Connect 4-way-valve
Connect compressor electrical heater belt
NO.1 communication interfaceblack
NO.2 communication interfacewhite
NO.3 co 1 lunication interfacered
N o . 4 c o m m u n i c a t i o n i n t e r f a c e y e l l o w
(Reserve
Connect power live wire
Connect power naught wire
Connect earth wire
Connect reactor
12
13
14
15
16
17
18
19
4electmnlc expansion