Adjustment, charge
flow
For correct function of the heat pump over the entire
year, the charge flow must be correctly adjusted.
If an NIBE indoor module VVM or accessory controlled
charge pump is used for the control module SMO, the
control tries to maintain an optimal flow across the heat
pump.
Adjustment may be required, especially for charging a
separate water heater. It is therefore recommended to
have the option of adjusting the flow across the water
heater using a trim valve.
1.
Recommendation if there is insufficient hot water
and information message "high condenser out" dur-
ing hot water charging: increase the flow
2.
Recommendation if there is insufficient hot water
and information message "high condenser in" during
hot water charging: reduce the flow
NIBE S2125Chapter 6 | Commissioning and adjusting32
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