Replacement of shunt valve QN11
1 Set the switch (SF2) to
"stand by" mode and wait
approx. 30 secs
2 Cut the power supply to
VVM 310 and EB 101.
3 Drain the water by open-
ing the drain valve (QM1)
and allow air in via the vent
(QM20) until VVM310 is
empty.
NIBE™ VVM 310Chapter 7 | Component replacement36
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