Nibe VVM 320 - Replacing the Circulation Pump GP6

Replacing the circulation pump GP6
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 connect-
ing a hose to the lower filler
valve QM11 and open it, al-
low air to enter via the vent
QM 20.
NIBE™ VVM 320Chapter 7 | Component replacement64