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14.3 EXTERNAL CONNECTIONS
All external connections are made on terminal board PEL (low current)
and connection terminal blocks.
▶ High and low current cables should be routed separately in order to
avoid interference on the sensors (minimum distance of 100 mm).
Fig. 39 External connections
Solid line = factory set connection
Dotted line = connect during installation:
[E31.G33] Control signal circulation pump ground water (Function
not used)
[E11.G1]
Circulation pump circuit 1
[E11.P2]
General alarm
[E41.G6]
Circulation pump hot water
[E12.Q11] Extra mixing valve circuit 2
[E12.G1]
Circulation pump circuit 2
[B11]
External input 1
[E11.T1]
Flow circuit 1
[E10.T2]
Outdoor sensor
[E41.T3x]
Hot water
[E12.T1]
Flow circuit 2
[E12.B11]
External input, circuit 2
[B12]
External input 2
6 720 806 768 (2013/02)
▶ Use the following cable area when extending the temperature sensor
cable:
– Up to 20 m long cable: 0.75 till 1.50 mm
– Up to 30 m long cable: 1.0 till 1.50 mm
ELECTRICAL CONNECTIONS
2
2
6 720 802 416-14.1I
33
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