HTW ECO-THERMAL PLUS -V18WD2RN8PLUS Manuel De L'utilisateur Et D'installation page 108

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

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