Immergas MAGIS M4-30 Use And Installation page 63

Main control board units 18-30 kW
14
17
2
18
19
26
26
25
Code
1 Power supply port for PCB B (CN41)
2 IC programming port (CN11)
3 Port for pressure sensor (CN6)
4 Port for intake temperature sensor (CN5)
5 Port for drain temperature sensor (CN8)
Port for external room temperature sensor and con-
6
denser temperature sensor (CN9)
7 Port for low pressure switch and quick check (CN29)
Port for communication with hydro-box control board
8
(CN24)
9 Port for communication with PCB C (CN4)
10 Dip Switch (S5, S6)
11 Port for communication with power meter (CN26)
12 Port for electric expansion valve (CN22)
13 Port for fan 31VDC power supply (CN53)
1 11
CN41 CN26
A
CN21
CN18
CN10
CN11
CN7
CN20
CN27
1
+
CN38
Assembly unit
8 9 3
CN24 C 4 N C 6 N
ON ON
ON ON
1 2 3 1 2 3
1 2 3 1 2 3
S5 S6
S3
SW3 SW4
20 V
2 4
V i n
6 7 8
CN109
CN107 CN53
23
23
Code
14 Power supply port for hydro-box control board (CN21)
15 Port for another temperature sensor (CN35)
16 Port for XYE communication (CN28)
17 Port for 4-way valve (CN18)
18 Port for electric heating tape 1 (CN10)
19 Port for electric heating tape 2 (CN7)
20 Port for D1D2E communication (CN37)
21 Port for high pressure switch and quick check (CN31)
22 Port for fan 15VDC power supply (CN30)
23 Fan port (CN107/109)
24 Port for communication with PCB A (CN36)
25 GND port (CN38)
26 SV port (CN20/27)
63
24
CN36
4
CN5
5
CN8
6
CN9
10
21
CN31
CN29
7
CN35
15
CN28
16
20
CN37
CN22
12
CN30
22
13
Assembly unit