Nibe VVM 500 Service Manual

Main components
Replacement of immersion heater
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.
QM20
Drain valve (QM1)
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 reversing valve
(QN10).
NIBE™ VVM 500Chapter 7 | Component replacement34

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.