Installation & Servicing Instructions ATAG Q-Series
36
Cylinder (when applicable)
The casing of the cylinder may be cleaned with a damp cloth and a little soap. Do not
use any abrasive or solvent material which could damage the case or ttings.
The following maintenance work has to be carried out by the competent installer.
- Inspection of pressure/temperature relief valve and expansion relief valve.
Manually operate each valve by twisting the operating cap, and check if water ows
unobstructed via the tundish to the discharge point. ensure that both valves re-seat
satisfactorily.
- Check pressure of expansion vessel.
Turn off mains water supply and open nearest hot water tap to depressurise the
secondary water system.
Check the expansion vessel charge pressure gauge at the test point. If the pressure
is below 3.0 bar, top up with suitable air pressure pump.
- Complete service section of cylinder commissioning checklist.
In the event that parts require replacement, use only genuine parts supplied
by ATAG Heating UK Ltd.
Please contact your installer or ATAG Heating UK Ltd. for further details. Contact
details can be found on the back page of this manual.
After servicing, complete the relevant Service Interval Record section of the
Benchmark Checklist located on the inside back page of the document.
13.4 Draining the installation
During servicing one of the following items has to be drained:
Central heating system - boiler
The central heating system and boiler can be drained using the ll- and drain
valve installed in the system. If service valves are installed (advised) the boiler
can be drained seperately from the rest of the installation via the drain valves on
the service valves.
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