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Installation instructions & user manual
9120-34373 v4.00 Nov 2018 - ZIP DBX DEX
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 appliances are designed for wall mounted installation and has to be installed with water connectors
downward.
• DEX & DBX models comply with protection type IP 25.
• 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 1300 Ωcm at 15 °C for DEX12 / DBX and 1100 Ωcm for
DEX. 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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