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7.3
Connecting sensor for outside temperature
Position the outdoor sensor on the north or north west facing side of the house, away from direct sunlight. 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
indoor air.
1.
Route the outdoor sensor's connecting cable through the opening in the rear of the heat pump up to the
connecting block.
2.
Connect the sensor to the designated terminal block.
See separate manual for wiring diagram.
Caution! The outdoor sensor uses protected extra low voltage. Follow the specific installation instructions
for the outdoor sensor!
7.4
Connecting hot water sensor
Connect the hot water sensor to the designated terminal blocks. The sensor should be positioned a third way up
from the bottom in the water heater which is hottest.
See separate manual for wiring diagram.
7.5
Connecting sensor for system supply temperature
The system supply sensor must always be installed on the system's supply pipe after the auxiliary heater. The sensor
must be positioned so that the heated water has been able to mix properly.
See separate manual for wiring diagram.
7.6
Connecting exchange valve for hot water
See separate manual for wiring diagram and exchange valve.
7.7
Connecting room sensor (option)
Remove the front cover from the heat pump.
1.
Route the room sensor's connecting cable through the opening in the rear piece up to the connecting block.
2.
Connect the sensor to the designated terminal block.
See separate manual for wiring diagram.
7.8
Connecting pressure and flow sensor (option)
See separate manuals for wiring diagram and pressure and flow sensor.
7.9
Connecting start and stop auxiliary heater
Connect start/stop of auxiliary heater to designated terminal block.
See separate manual for wiring diagram.
7.10
Connecting control signal for auxiliary heater
See separate manual for wiring diagram.
7.11
Conversion table for sensors
Caution! When reading the resistance of the sensors, the sensor leads must first be disconnected from the
control equipment.
Installation instructions VMIFJ102 – 19
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