Nibe VVM 500 Service Manual

Connections
6 Disconnect the connec-
tions.
Replacement of reversing valves QN 10 and QN 35
1 Set the switch (SF1) to
stand by mode and wait ap-
prox. 30 secs
2 Turn off the power supply
to the heat pump.
3 Close the shut-off valves to
the heating system and heat
pump.
QN10
QN11
QM1
QM35
QM20
4 Drain the water by open-
ing the drain valve (QM1)
and allow air to enter via the
vents (QM20) until the level
is below the part to be re-
placed.
39Chapter 7 | Component replacementNIBE™ VVM 500

Nibe VVM 500 Specifications

General

Type	Indoor module
Volume	500 liters
Integrated immersion heater	Yes
Energy efficiency class, DHW preparation	A
Compatible with	NIBE air/water heat pumps
Refrigerant	Not applicable
Cooling Capacity	Matches the heat pump it is connected to.