4. Insert the cable and hold it in place.
5.
Pull the screwdriver out.
6. Check that the cable is secured by carefully pulling on the cable.
7.4 Position and connect outdoor sensors
Recommended location
Unsuitable location
•
Position the outdoor sensor on the north or north west side of the house.
•
For higher 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.
•
The sensor must be positioned at least 1 m from openings in the walls that emit hot air.
•
If the sensor cable is connected through a pipe, the pipe must be sealed so that the sensor is not affected by
outgoing air.
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.
Then connect the sensor to the heat pump (outdoors) or the heat pump's control centre (indoors).
7.5 Connecting supply and return pipe sensors
DHP-AQ Mini - no sensors connected upon delivery.
DHP-AQ Midi - supply line sensor connected upon delivery.
DHP-AQ Maxi - both sensors connected upon delivery.
Control unit
1. Supply line sensor
2.
Return line sensor
34 – Installation instructions VMGFD102
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