COMMISSIONING WITHOUT HEAT PUMP
The indoor module can be used without a heat pump,
i.e only as an electric boiler, to produce heat and hot
water before the heat pump is installed, for example.
Connect the pipe for docking in from the heat pump
(XL8) with the pipe out to the heat pump (XL9).
Enter menu 5.2.2 System settings and deactivate the
heat pump.
NOTE
Select operating mode auto or manual when
the indoor module is to be used with the heat
pump again.
PUMP SPEED
The circulation pump (GP1) in VVM 320 is frequency
controlled and sets itself using control and based on
heating demand.
Available pressure circulation pump, GP1
0
10
2
0
20%
100%
30
40
50
60
70
80
0 200 400 600 800 1000 1200 1400
Tillgängligt tryck
(kPa)
Vattenflöde
(l/h)
POST-ADJUSTMENT, VENTING
Initially, air is released from the hot water and venting
may be necessary. If gurgling sounds can be heard from
the climate system, the entire system will require addi-
tional venting. The installation is vented via vent valves
(QM20), (QM22) and other climate systems through
their relevant vent valves. When venting, VVM 320 must
be off.
41Chapter 6 | Commissioning and adjustingNIBE VVM 320
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