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INSTALLATION INSTRUCTIONS & USER MANUAL
210006 V2.00 SEPT 2017 - ZIP VPII/103-153(UB)
TECHNICAL SUPPORT TEL: 0345 6 005 005 EMAIL: SERVICE@ZIPINDUSTRIES .CO.UK
WWW.ZIPWATER.CO.UK
Schedule
It is recommended that all key components of the heater should be inspected on a regular
basis, no greater than 12 monthly intervals, for the continued safe and efficient operation of
the unit. The inspection should be carried out by a competent person (electrician or plumber)
familiar with unvented systems and the components to be inspected should include the
following:
• Expansion relief valve. Check correct operation.
• T&P relief valve, if fitted. Check correct operation.
• Expansion vessel, if fitted. Check pressure-referring to label on the side of the vessel.
• Integral line strainer, if a pressure reducing valve is fitted. Inspect and clean as
necessary.
• Check the discharge pipe is free of obstructions.
• Check that all the electrical connections are tight.
De-Installation
• Switch off and disconnect the electrical supply.
• Close the mains water supply isolating valve.
• Disconnect the inlet and outlet connections on the heater.
• Remove the heater.
• Drain the unit through the hot water supply connection
MAINTENANCE
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