6 Maintenance
6.1
General
The boiler must be serviced annually in accordance with the Installation
and Service Manual and the relevant section of the Benchmark Service
Record completed in order to maintain the warranty.
Important
Taking out a maintenance contract is recommended.
Caution
Maintenance operations must be performed by a qualified compe
tent person.
Use only Potterton genuine spare parts.
The painted panels should be wiped with a damp cloth and then dried
completely. DO NOT USE ABRASIVE CLEANING AGENTS.
6.2
Maintenance instructions
The central heating system should be checked regularly. Proceed as fol
lows:
1. Check the water pressure in the central heating system.
Important
If the water pressure is lower than 0.7 bar, the system must be
topped up.
See
Re-pressurising the system.
Important
If the water pressure drops below 0.5 bar the boiler will not work.
2. Check radiators for leaks and (especially in damp areas) for rust.
3. Open and close the radiator valves several times a year to ensure
they can still be rotated.
Caution
Only a qualified installer may clean the inside of the boiler.
6.2.1
Re-pressurising the system
If the water pressure is too low, the system must be re-pressurised.
The normal operating water pressure is between 1 and 2 bar. If the pres
sure exceeds 3 bar the safety pressure valve will operate and a fault is in
dicated. Ensure that the filling loop is disconnected if it is of a temporary
type. Contact your installer.
6 Maintenance
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