Bosch ZBR 100-3 - Wiring Diagram

Product Information
Condens 5000W – 6720813952 (2019/02)
8
2.12 Wiring diagram
Fig. 5 Wiring diagram
[1] Fan
[2] Reactor
[3] Hot surface igniter
[4] Gas valve type 70
[5] Gas valve type 100
[6] Boiler ID module (HCM)
[7] Burner control unit
[8] Control panel
[9] Pressure sensor
[10] Return temperature sensor
[11] Flue gas temperature sensor (ex works, Switzerland only)
[12] Flow temperature sensor
[13] Safety temperature sensor
[14] Flame sense electrode
[15] Earth
[16] Turquoise - no function
[17] Grey - no function
[18] Blue - outside temperature sensor
[19] Red - external switching contact
[20] Orange - modulating temperature controller
[21] Green - on/off room temperature-dependent controller
[22] Pump control signal PWM
[23] ON/OFF switch
[24] Grey - no function
[25] White - power supply 230 V AC, 50 Hz, mains plug
[26] Orange - power supply of the 1st function module 230 V AC
[27] Purple - no function
[28] Green - pump connection set or external
[29] Pump connection set, external pump 230 V AC, max. 250 W
0010009977-002
D17 D13 D16
C4 C3 C8 C7 A8 A7 A2 A1 A4 A5
G6 G5
F2 F1
0V24
V
13 12 11 10 9 8 7 6 5 4 3 2 1
12 34
0 VAC
24 VAC
PEPE
10
F2 F1
PE
F4
F3
PE
G2 G1
PE
L
PE
N
A9
C10
B12
B13
C9
1
2
3
B16
B17
C1
C2
C14
C17
D9
D10
A6
B2
A11
A12
D14
D12
D11
D1
D3
C16
C15
1
2
3
4
5
1
2
3
4
5
A14
A13
A16
A15
6
7
24 VAC
0 VAC
24 VAC
10 VAC
10 VAC
230 VAC
230 VAC
24 V RAC
1
2
3
4
5
D6
D7
24 VAC
1
2
3
4
D5
D8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
E1
E2
E3
E4
E5
E6
E7
E8
B7 B3 B6
HCM
B14
B15
11
1
2
3
4
5
8
7
9
10
12
13
14 15
29
16 17
19
20 21 26 27
18
23
22
24 25
28
6