Common Applications of ZBR boilers
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6 720 806 992 (2015/03)
Greenstar
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)
B
B
F
A
6 720 806 992-04.1O
9
8
7
LZ
NZ
4
2
L
N
N H
3
4
4
5
5
6
T
T
COM
R W
24VAC
F
V
L
N
LS NS
M
M
8
12
6
5
4
1
3
7
9
3
11
13
15
14
3
2
10
Summary of Contents for Greenstar
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