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INST
ALLA
TION
19
Figure 16 – Wiring diagrams
Diagram B
In conjunction with auxiliary heating boiler – reheat control by solar differential controller.
3A fused supply
Boiler terminal strip
Programmable room stat
N
L
L
PL
N
SL
L
N
2
N
1
2
4
N
5
3
N
Terminal box (supplied)
N
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Link
7
8
N
8
3
5
1
2
3
GY
BL
BR
GR
OR
Cylinder auxiliary controls
DHW 2 port valve
N
6
2
5
4
N
GY
BL
BR
GR
OR
L
N
CH 2 port valve
CH pump
11
12
A1
N
11
12
E
Solar pump
1
L1
1
2
Solar o/temp cutout
PE
PE
PE
A4
A3
A2
A1
L1
A4
N
N
N
N
01
02
S1
S2
S3
S4
S5
S6
S7
11
5V
WMM
M
M
M
M
M
M
M
M
M
12
M
M
Solar pump
See fig 17
Selections are made via the jumper on
the connection assembly. PWM position:
PWM
ANA
Solar differential controller
See fig 18
1
3
6
7
PE
PE
PE
2
Solar o/temp cutout
Terminal box (supplied)
East West array kit
Diagram A
In conjunction with auxiliary heating boiler – no reheat control by solar differential controller.
3A fused supply
Boiler terminal strip
Programmer
N
L
L
PL
N
SL
L
N
DHW CH ON
N
1
2
4
N
5
3
N
7
6
Terminal box (supplied)
N
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Link
Link
Link
Link
8
9
N
10
1
5
1
2
3
GY
BL
BR
GR
OR
Cylinder auxiliary controls
DHW 2 port valve
N
6
11
N
12
2
5
4
N
N
1
2
GY
BL
BR
GR
OR
L
N
Room stat
CH 2 port valve
CH pump
Solar pump
11
12
A1
N
11
12
E
Solar pump
1
L1
NOTE: For boilers with pump over-run,
CH pump live supply should be connected
to terminal 5 in the terminal box.
1
2
Solar o/temp cutout
PE
PE
PE
A4
A3
A2
A1
L1
A4
N
N
N
N
01
02
S1
S2
S3
S4
S5
S6
S7
11
5V
WMM
M
M
M
M
M
M
M
M
M
12
M
M
Solar pump
See fig 17
Selections are made via the jumper on
the connection assembly. PWM position:
PWM
ANA
Solar differential controller
See fig 18
PE
PE
PE
Solar o/temp cutout
2
East West array kit
Diagram C
Auxiliary heating by immersion heater – reheat control by solar differential controller.
3A fused supply
N
L
N
1
Terminal box (supplied)
N
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
N
8
9
1
5
COM
NO
Auxiliary immersion heater
Solar pump
11
12
1
L1
NOTE: The above wiring is for the lower immersion
heater only. Switching of the upper immersion heater
is not possible using the solar differential controller.
1
2
Solar o/temp cutout
PE
PE
PE
A4
A3
A2
A1
L1
A4
N
N
N
N
01
02
S1
S2
S3
S4
S5
S6
S7
11
5V
WMM
M
M
M
M
M
M
M
M
M
12
M
M
Solar pump
See fig 17
Selections are made via the jumper on
the connection assembly. PWM position:
PWM
ANA
Solar differential controller
See fig 18
PE
PE
PE
Solar o/temp cutout
2
13A fused supply
N
L
N
8
A3
Solar differential controller
9
N
L
N
Immersion heater
1
N
Auxiliary immersion heater
A1
N
11
12
E
Solar pump
Relay
East West array kit
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