12 AP3/10, AP3/15 Installation Instructions
Schedule
It is recommended that all key components of the heater should be inspected six
monthly for continued safe and efficient operation. The inspection should be
carried out by a competent person familiar with unvented systems and the
components to be inspected should include the following:
1. Sacrificial anode. Check condition of the sacrificial anode by disconnecting
the wire between the anode and vessel and verifying that the current
between anode and vessel exceeds 0.1mA ensuring that the wire is
re-connected afterwards. If the current between anode and vessel does not
exceed 0.1mA the anode should be checked visually and replaced if necessary.
Gradual erosion of the anode will occur depending upon local conditions
and, in extreme cases, conditions may cause rapid erosion resulting in
particles being deposited as a residue or emitted from the heater.
The Aquapoint should not, therefore, be used in critical applications where
water quality is paramount.
2. Expansion relief valve. Check correct operation
3. T&P relief valve, if fitted. Check for correct operation
4. Expansion vessel, if fitted. Check pressure – refer to label on vessel for
correct pressure
5. Integral line strainer, if pressure reducing valve fitted. Inspect and clean
as necessary
6. Check that the discharge pipe-work is free of any obstructions
7. Check that all electrical connections are tight
De-Installation
To de-install the heater
1. Switch off and disconnect the electrical supply
2. Close the mains water supply isolating valve
3. Disconnect the inlet and outlet water connections at the top of the heater
4. Remove the heater
5. Drain the unit through the hot water supply connection
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