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Electrical connections
6 720 802 419 (2012/06) en
38
10.4 External connections
All external connections are made on terminal board PEL (low current)
and connection terminal blocks.
B
High and low current cables should be routed separately in order to
avoid interference on the sensors (minimum distance of 100 mm).
B
Use the following cable area when extending the temperature sensor
cable:
–
Up to 20 m long cable: 0.75 till 1.50 mm
2
–
Up to 30 m long cable: 1.0 till 1.50 mm
2
Fig. 35 External connections
Solid line = always connected
Dotted line = option, alternative:
[E31.G33] Control signal circulation pump ground water
[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
10.5 Connection groundwater pump
Connect groundwater pump to the power supply with dedicated input
(230). The control to the contactor uses 230V which is taken from
terminals G33 and N in the heat pump.
Fig. 36 Connection groundwater pump
6 720 802 416-14.1I
6 720 802 416-15.1I