Tadiran Telecom SUV2-H18/1CFA-N Service Manual page 48

Removal Procedure Removal Procedure
Outdoor Unit(42K)
● Top View
NO. Silkscreen name
1 N_OUT
2 L_OUT
3 OUTFAN1
4 WIFI
5 K-IPM
6 COM-ZQ
7 EEV-GR
8 EEV-BU
9 EEV-RD
10 EEV-WH
11 EEV-BK
12 TEMP3-RD
13 TEMP2-WH
14 TEMP4-RD
15 P-SW-WH
16 TEMP1-WH
17 P-SW-BL
18 P-SW-RD
19 OVL-YE
20 OUTFAN2
21 HEAT-B
22 HEAT-C
23 F-WAY
24 VA-GA
25 COM
26 AC_L1
27 AC_N1
44
Connector
naught wire out interface
live wire out interface
NO.1 DC fan interface
WIFI interface
IPM control interface
communication of mainboard and drive board connect to communication of mainboard and drive board interface
electronic expansion valve interface
electronic expansion valve interface
electronic expansion valve interface
electronic expansion valve interface
electronic expansion valve interface
temp sensor interface
temp sensor interface
temp sensor interface
pressure switch interface
temp sensor interface
pressure switch interface
pressure switch interface
overload interface
NO.2 DC fan interface
compressor electrical heater interface
chassis electrical heater interface
4-way-valve interface
gas bypass valve interface
communication interface
live wire interface
naught wire interface
Function note
connect nautht out wire interface
connect live out wire interface
connect to NO.1 outdoor DC fan
connect to WIFI module
connect to IPM control interface
"connect NO.5 electronic expansion valve green interface"
"connect NO.4 electronic expansion valve blue interface"
"connect NO.3 electronic expansion valve red interface"
"connect NO.2 electronic expansion valve white interface"
"connect NO.1 electronic expansion valve black interface"
connect NO.3 temp sensor
connect NO.2 temp sensor
connect NO.4 temp sensor
connect pressure switch (white)
connect NO.1 temp sensor
connect pressure switch (blue)
connect pressure switch (red)
connect compressor overload
connect to NO.2 outdoor DC fan
connect chassis electrical heater belt
connect compressor electrical heater belt
connect 4-way-valve
connect gas bypass valve
connect to communication interface
connect live out wire
connect naught out wire