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Installation Guide
It is crucial that the flow switch follows the direction of the water flow in order to operate the heat pump. So make sure you pay
attention on which way the arrow on the flow switch is pointing! Connect the wire of the flow switch into the outdoor unit.
5kW
5.1.2
Charging water
After installation is completed, the following procedures shall be used to charge water into the Outdoor Unit.
▪ Connect water lines to water connections of the heat pump.
▪ Air vent valve must be open at least 2turns so that air can be eliminated in the system.
▪ Open the shut-off & drain valve in the water supply connection.
▪ Water pressure of supply line must over 2.0 bar for good charging work.
▪ Stop water supply when the pressure indicates around 2.0 bar.
9 kW
5kW
1
2
36
DHP-iQ
4
1
2
1. Arrow showing in which direction to mount the flow switch on to the pipe.
2. The direction of the water flow.
3
3. House
4. Straight length of the in and out pipe of the flow switch shall five 5 times
length in diameter (125 mm).
CN4
16 kW
1
1
2
2
VIJSS102
9 and 16 kW
CN4
1. Water outlet
2. Water inlet
Danfoss Heating Solutions
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