6.3.3
Connection 230 V, 1 phase with two supply lines
Isolator switch
Terminal block heat pump 6 mm
2
2
1
4
3
1L1
N2
PE1
2
1
4
3
2L1,
2L2
N3
PE4
2L1,
2L1
Incoming 230V heat pump
Incoming 230V immersion heater
6.3.4
Connection 230 V, other alternatives
See country specific electrical instructions.
6.4
Position and connect outdoor sensors
Recommended location -->
Unsuitable location -->
The outdoor sensor is connected by a two core cable. A maximum cable length of 50 m applies for a cross section of 0.75 mm
2
. For
greater lengths a cross section of 1.5 mm
2
is used, up to a maximum of 120 m.
305
306
50
N
For high buildings, the sensor should be positioned between the second and third storeys. Its location must
not be completely protected from the wind but not in a direct draft. The outdoor sensor should not be placed
on reflective panel walls.
N
The sensor must be positioned at least 1 m from openings in the walls that emit hot air.
Installation Guide
Domestic heat pumps
VMGFQ102
Danfoss Heating Solutions
34
