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Idiomas disponibles
Idiomas disponibles
3) For 3-way value SV3
5
6
16
7
1ON
N
2ON
1OFF
SV1
Wiring of the 3-way valve is different for NC(normal close) and NO (normal open). Before wiring, read the Installation
& Owner's manual for the 3-way valve carefully and install the valve as showed in the picture. Make sure to connect it
to the correct terminal numbers.
Procedure
Connect the cable to the appropriate terminals as shown in the picture.
Fix the cable reliably.
4) For different functions pumps：
9
21
P_c
N
PUMP_c
CONTROL SIGNAL
OUTPUT
(For zone 2 pump)
Voltage
Maximum running current(A)
Wiring size(mm
)
2
Control port signal type
5) For tank booster heater:
13
16
TBH
N
TANK BOOST HEATER
CONTROL SIGNAL OUTPUT
Connection of the booster heater cable depends on the application. Only when the domestic hot water tank is installed will
this wiring be needed. The unit only sends a turn on/off signal to the booster heater. An additional circuit breaker is needed
and a dedicated terminal is needed to supply power to the booster heater.
See also "8 Typical application examples" and "10.7 Field settings/DHW control" for more information.
Procedure
Connect the cable to the appropriate terminals as shown in the picture.
Fix the cable with cable ties to the cable tie mountings to ensure stress relief.
19
18
8
17
20
3ON
N
3OFF
2OFF
SV3
SV2
10
22
P_o
N
PUMP_o
CONTROL SIGNAL
CONTROL SIGNAL
OUTPUT
(For zone 1 pump or
(For solar pump)
outside circulating pump )
220-240VAC
0.2
0.75
Type 2
Voltage
Maximum running current(A)
Wiring size(mm
Control port signal type
N
Voltage
Maximum running current(A)
Wiring size(mm
)
2
Control port signal type
NOTE
11
23
12
P_s
N
P_d
PUMP_d
PUMP_s
CONTROL SIGNAL
OUTPUT
OUTPUT
(For DHW tank
circulating pump)
Procedure
Connect the cable to the appropriate terminals as
shown in the picture.
Fix the cable reliably.
)
2
38
220-240VAC
0.2
0.75
Type 2
24
N
220-240VAC
0.2
0.75
Type 2
V.1
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