25
Port for communication XYE(CN28)
1
2
3
4
5
6
7
Port for communication with hydro-box
control board (CN24)
Assembly unit
Assembly unit
Coding
Coding
9
14
15
16
17
18
19
20
21
22
23
24
25
Port for electrical expansion value(CN22)
Port for fan 310VDC power supply(CN53)
Power supply port for hydro-box control board(CN21)
Port for discharge temp.sensor(CN8)
Port for sunction temp.sensor(CN5)
Port for pressure sensor(CN6)
Power supply port for PCB B(CN41)
Port for fan(CN107/109)
Port for communication with PCB A(CN36)
Port for GND(CN38)
Port for eletric heating tape1(CN10)
Port for 4-way value(CN18)
Port for IC programming(CN11)
Port for outdoor ambient temp. sensor and
condenser temp.sensor(CN9)
Port for low pressure switch and quick
check(CN29)
8
10
11
DIP switch(S5,S6)
12
13
2
6
13
CN30
CN11
CN27
S3
CN37
CN20
CN8
CN5
CN35
CN36
S5
SW4
SW3
CN22
CN18
CN10
CN7
CN6
CN4
CN53
CN9
CN24
CN28
S6
CN29
CN31
CN38
CN21
CN41
CN26
CN107
+
+
ON
2
1
ON
2
1
3
3
ON
2
1
ON
2
1
3
3
A
.
8
1
4
20V
PGND
12V
GND
.
9V
GND1
.
2
7
9
16
.
.
.
18V
.
V i n
6
1
3
17
26
19
8
7
24
9
23
4
5
Port for eletric heating tape2(CN7)
18
10
11
14
25
12
22
Port for fan 15VDC power supply(CN30)
16
Port for communication D1D2E(CN37)
20
Port for high pressure switch and quick
check(CN31)
21
Port for communication with PCB C(CN4)
Port for other temp.sensor(CN35)
15
Port for SV(CN20/27)
26
26
Port for communication with Power Meter(CN26)
CN109
23
9.3.3 Main control board of unit
V.2
Summary of Contents for ETH220VMA
Page 164: ...V 2...
