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Installation instructions & user manual
9120-25693 v3.00 Oct 2018 - ZIP CEX
Technical support
Tel: 0345 6 005 005 email: service@zipindustries.co.uk www.zipwater.co.uk
INSTALLATION
• Appliance must only be installed in frost-free rooms. Never expose appliance to
frost.
• The CEX-O is designed for wall mounted installation and has to be installed with
water connectors downward. CEX-U for under-basin installation must be installed
with the water connections upward.
• The CEX-O complies with protection type IP 25. The CEX-U complies with
protection type IP 24.
• In order to avoid thermal losses, the distance between the instantaneous water
heater and the tapping point should be as small as possible (< 2m).
• For maintenance work, a shut-off valve should be installed in the supply line. The
appliance must be accessible for maintenance work.
• Hot and cold water connecting pipes should be WRAS approved and of copper or
steel construction. Plastic pipes may only be used if they conform to EN 16893,
Series 2. The hot water pipes must be thermally insulated.
• The specific resistance of the water must be at least 1100 Ωcm at 15 °C. The
specific resistance can be asked for with your water supply company.
• When considering the location of the heater, consideration should be given to the
safe and visible disposal of any water resulting from leaks and seepage. This is
particularly relevant when the heater is located in a cupboard or any concealed
location. For guidance please call Zip on 0345 6 005 005.
Installation site
Requirements
The following regulations must be observed:
• EN 806
• The installation must comply with current IEE regulations and relevant Local
Authority requirements
• The rating plate and technical specifications
• Only functional and appropriate tools must be used during the installation
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