20
Servicing
Servicing should only be carried out by competent installers and only spare parts approved by the manufacturer may be used.
Never bypass any safety devices or operate the boiler without them being fully operational.
Always isolate the boiler from the electrical supply before carrying out any work on the appliance.
An annual service should include the following:
1.
Recharging of the expansion vessel
2.
Inspection of all electrical connections
3.
Testing of boiler thermostats.
4.
Run boiler in heating and hot water modes to ensure correct operation
5.
Check all safety valves to ensure they are not leaking and function correctly
6.
Clean system filter
7.
Check correct operation of blending valve
8.
Clean blending valve filters
9.
Record temperature of hot water at outlet after 1 minute of flow
10.
Ensure discharge pipe discharges fully
11.
Check strength of the system inhibitor
Summary of Contents for Aztec Classic WM Maxi Combi
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