Important
The NIBE heat pump requires minimal maintenance but to
ensure the continued efficient running of your heat pump
and guarantee in the warranty period it is recommended
that it is checked and serviced annually by a qualified engin-
eer.
Any servicing must be carried out by a competent person.
When replacing a part on the appliance, use only spare parts
supplied by NIBE.
If any electrical connections have been disconnected and
re-connected, checks for earth continuity must be tested
for with a suitable multimeter.
On completion the Benchmark service record should be
completed.
General inspection
Check the following:
1. Condition of casing
2. Check Inlet grille is not clogged with leaves
3. Check fan for any obstructions
4. Electrical supply connections
5. Water connections
6. Heating system pressure
7. Alarm log
Correct any fault before continuing.
NOTE
Before removing any covers or replacing parts the
heat pump must be isolated from the mains elec-
trical supply.
Heating System
1. Inspect start and stop temperatures. Correct if required.
2. Inspect heat curve (SMO & VVM only). Correct if required.
3. Check the heating system flow temperatures, the differ-
ence should be between 5–10°C. Adjust flow if required.
4. Inspect the heat pump charge flow temperature differ-
ence against charge flow with graphs on page 18. Adjust
if required.
NOTE
After servicing, complete the relevant Service In-
terval Record section of the Benchmark Checklist
located at the back of this document.
Completion of the Service Interval Record is a
condition of warranty. For full terms and conditions
of warranty, please see our website nibe.co.uk.
NIBE F2050Chapter 9 | Servicing and maintenance36
Servicing and maintenance
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