CEX-O_CEX-U, Maintenance and User Instructions V1.02
Page 6
March / 2014
Installation
Requirements
• These instructions must be read and fully understood before commencing the installation. If in
doubt, or in need of further guidance please ring Zip on 0845 6 005 005.
• Zip InLine water heaters must be installed by a competent person familiar with electric instanta-
neous water heaters.
• Installations must comply fully with UK Water Regulations and any Local Authority requirements.
• The electrical installation including earthing and cross bonding should comply with current IEE
regulations and any Local Authority requirements.
• Zip InLine water heaters must be installed according to the specification on the rating plate and
the technical specifications.
•
To protect the appliance, a circuit breaker or fuse must be fitted with a rating suitable for the
nomi nal current of the appliance. (See Technical Data Section on page. 4).
•
The appliance must be permanently connected to the supply through an isolating switch with a
contact separation of at least 3mm in all poles and be protected by a suitably rated RCD.
• The cross sectional area of the connection cable must be in accordance with the power rating of
the appliance and the specific requirements of the installation site up to a maximum cable size
of 10mm
2
.
• Take care to protect the wiring from damage during installation and ensure that the wiring is not
directly accessible after installation.
• Check that the power supply is switched off prior to electrical connection.
Installation site
• The installation site must be free from frost at all times.
• The appliance is designed for wall mounted installation. CEX-O for over-sink installation must
be installed with the water connections downward. CEX-U for under-sink installation must be
installed with the water connections upward.
• The appliance complies with protection class IP25 for over-sink installation, protection class
IP24 for under-sink installation and may therefore be installed in protection zone 1.
• In order to minimise thermal losses, the distance between the appliance and the outlet fitting
should be as short as possible. Recommended maximum distance 2 metres.
• For maintenance work a shut off valve should be installed in the water supply line to the heater.
•
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 Heaters (UK) Ltd on 0845 6 005 005.
• Hot and cold water connecting pipes should be WRAS approved and of copper or steel con-
struction. Plastic pipes may only be used if conforming to DIN 16893 Series 2. The hot water
pipes must be thermally insulated.
• The specific resistance of the supply water must be at least 1100Ωcm at 15°C. The specific
resistance can be checked with the local water supply company.
Содержание InLine CEX-O
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