Nibe VVM 320 - Replacing the Circulation Pump GP1

Replacing the circulation pump GP1
1 Set the switch (SF2) to
"stand by" mode and wait
approx. 30 secs
2 Cut the power supply to
VVM 320 and EB 101.
3 Close the shut-off valves to
the heating system and EB
101.
Valve
QM11
Lower filler valve
4 Drain the water by open-
ing the drain valve (QM1)
and allow air in via the vent
(QM20) until VVM 320 is
empty.
NIBE™ VVM 320Chapter 7 | Component replacement62