9
Fig. 8. Pictorial wiring diagram.
o - orange g - green
bl - black
r - red
p - purple
20
21
22
23
24
25
27
28
26
29
30
31
13
11
12
14
15
16
17
18
19
8
9
10
3
4
7
6
5
2
Mains
Input
328
Fan
Module
Pump
Fan
1
1
Fuse 2.5A, 230V AC
2
Fuse 0.5A
3
Fuse 1.6A
4
Control unit connection
5
Key Plug
6
TA 211E control connection
7
Time switch connection
8
On/off switch
9
CH temperature
10
DHW temperature control
11
Power on indicator
12
Ignition transformer
13
Ignition electrodes
14
Setting button
15
Reset button
16
Display
17
Service button
18
ECO button
19
Burner indicator
20
DHW temperature sensor
21
Water pressure switch (flow switch)
22
DHW inlet sensor
23
Air flow switch
24
CH flow temperature sensor
25
Flame sense electrode
26
Gas valve
27
Gas solenoid valve No.1
28
Gas solenoid valve No.2
29
Flue gas temperature limiter
30
Overheat temperature limiter
31
Diverter valve solenoid
25V
230V
AC
o
o
g
g
g
g
bl
bl
o
o
bl
bl bl
bl bl
r
r
r
p
p
Summary of Contents for Greenstar ZWBR 11-25 A31
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