Nibe F205P - Service

21
F205P
For the Installer
Opening the cover on the distribution box
To lower the front panel, unscrew the two screws at the
top of the panel. The panel can then be lowered to the
horizontal position (where it rests on stops on either side of
the front panel).
LEK
Refrigerant system
Work on the refrigerant system must be
done by authorised personnel in accordance
with the relevant legislation on refrigerants,
supplemented by additional requirements for
flammable gas, for example, product knowl-
edge as well as service instruction on gas
systems with flammable gases.
After service, complete all relevant sections
of the Benchmark Checklist enclosed with
the product.
Completion of the Benchmark Checklist is
a condition of warranty. For full terms and
conditions of warranty, please see our web-
site www.nibe.co.uk
Note!
Any servicing must be carried out by a com-
petent person.
When replacing a part on the appliance,
use only spare parts supplied by NIBE.
Note!
If any electrical connections have been
disconnected and reconnected, checks for
earth continuity must be tested for with a
suitable multimeter.
Note!
Service actions
See also the sections ”Maintenance routines” and ”Dealing
with malfunctions”.
General Inspection
Check the following:
1. Condition of casing.
2. Electrical supply connections.
3. Water connections.
4. Heating system pressure.
Correct any fault before continuing.
Hot water heater
The following components must be inspected:
1. Expansion relief valve. Check correct operation.
2. T&P relief valve. Check for correct operation.
3. Check that discharge pipe is free of any obstructions.
4. Check expansion vessel is fully charged.
Heating system
1. Inspect compressor start and stop temperature. Correct
if required.
2. Inspect the setting of the limiting valve.
3. Check operation of clock thermostate.
4. Check flow temperatures, the difference shoud be
between 5-10°
Adjust flow if required.
Draining the water heater
The siphon principle is used to empty the hot water heater.
This can be done either via the drain valve on the incoming
cold water pipe or by inserting a hose into the cold water
connection.
Service