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Installation instructions & user manual
T210023 v1.02 NOV 2018 - ZIP AP430S-AP4100S
Technical support
Tel: 0345 6 005 005 email: service@zipindustries .co.uk www.zipwater.co.uk
Installation
can result in dripping from the outlet of the safety valve.
• The drip can be piped to the drain by installing a tundish just below the safety valve.
• The drain installed below the safety valve outlet must be piped down vertically and placed
in an environment that is free from the onset of freezing conditions.
• To avoid water dripping from the safety valve, an expansion tank should be installed on the
inlet pipe of the heater with the capacity of at least 5% of the heater volume.
• To ensure proper operation of the safety valve, periodical inspections must be carried out
to remove limescale and make sure the safety valve is not blocked.
• To check the valve, open the outlet of the safety valve by turning the handle or unscrewing
the nut of the valve (depending on the type of the valve).
• The valve is operating properly if the water comes out of the nozzle when the outlet is
open.
Do not t an isolation valve between the Aquapoint and
pressure relief valve
Before connecting it to the power supply, the Aquapoint must
be lled with water
• When lling the heater for the rst time, the tap for the hot water on the mixing tap must be
opened.
• When the heater is lled with water, the water starts to run through the outlet pipe of the
mixing tap.
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