Bosch ZBR16-3A Series Installation And Service Instructions Manual page 29
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Also See for ZBR16-3A Series:
- Installation and service instructions manual (120 pages) ,
- Operating instructions manual (48 pages) ,
- Manual (4 pages)
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Fig. 10 Wiring
[1]
PCB in heating boiler ZBR..-3A... with FW 200 installed on front
[2]
White plug for mains power supply, 120 V AC, 60 Hz
( chapter 7.3.4, page 49)
[3]
120 V AC, 60 Hz
[4]
Red plug for external DHW tank ( chapter 7.3.3, page 49)
[5]
DHW pump
[6]
Black plug for extermnal (system) pump ( chapter 7.3.2,
page 48)
[7]
System pump
[8]
DPDT Relay
[9]
Motorized valve heating zone 2
[10] Motorized valve heating zone 1
[11] 24 V AC transformer
[12] Outdoor temperature sensor
[13] LWCO (Low Water Cut Off, 24V AC Transformer required)
[14] DHW temperature sensor (connection with clear connector)
[15] External supply temperature sensor (connection with white plug)
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3
2
LS NS
N
L
11
M
M
10
9
5
4
3
6
B
B
4
2
N
L
F
A
1
Common Applications of ZBR boilers | 29
3
8
R W
24VAC
T T COM
N H
3
4
4
5
5
6
7
12
13
14
15
6 720 806 992-04.1O
6 720 806 992 (2015/03)
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