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INSTALLATION INSTRUCTIONS & USER MANUAL
210001 V1.01 AUG 2017 - ZIP AP3/30e-100e
TECHNICAL SUPPORT
TEL: 0345 6 005 005 EMAIL: SERVICE@ZIPINDUSTRIES .CO.UK
WWW.ZIPWATER.CO.UK
I
t is recommended that all key components of the heater should be inspected on a regular
basis, no greater than twelve monthly intervals, 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. Expansion relief valve. Check for correct operation.
2. T&P relief valve. Check for correct operation.
3. Check expansion vessel pressure – refer to label on vessel for correct pressure.
4. Inspect integral line strainer and clean as necessary.
5. Check that the discharge pipework is free of any obstructions.
6. Check that all electrical connections are tight.
Schedule
MAINTENANCE
LIVE TESTING
7. 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.
Draining
To drain the unit:
1. Isolate the electrical supply.
2. Isolate the mains cold water supply to the unit.
3. Open a hot water tap.
4. Remove the plug from the drain point on the heater.
5. Connect a suitable hose to the drain point to allow the contents to be drained safely.
6. Open the drain valve and allow the unit to drain.
De-Installation
To de-install the heater:
1. Switch off and disconnect the electrical supply.
2. Close the mains water supply isolating valve.
3. Drain the heater as described in “Draining”.
4. Disconnect the cold water inlet connection from the manifold assembly.
5. Disconnect the hot water supply pipe from the heater outlet.
6. Remove the heater.
