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CEX-O & CEX-U Installation, Maintenance and User Instructions - August 2011
Warnings
• Installation, commissioning and maintenance of this appliance must only be carried
out by a competent installer who will then be responsible for adhering to all relevant
standards and regulations.
• The appliance must only be used when correctly installed and in perfect working order!
• The appliance must be installed in a frost-free room! The appliance must never be
exposed to frost.
• The appliance must be earthed at all times!
• The appliance must only be used for heating potable water. The specific water
resistance must not fall below the required value indicated on the rating plate.The
appliance must not be used for any other purpose.
• The maximum water pressure must not exceed the value indicated on the rating plate.
• The incoming water temperature must not exceed 70°C.
• Before commissioning for the first time and each time the appliance is emptied (e.g. due
to work on the plumbing system, if there is a risk of freezing or in case of maintenance),
the appliance must be vented by opening and closing the hot water tap until all air has
been eliminated from the water heater and no more air emerges before re-connecting to
the electrical supply.
• The front cover of the appliance must never be opened before disconnecting the
appliance from the mains power supply!
• The appliance and its wiring and piping must not be modified in any way!
• Be careful! Temperatures in excess of approx. 43°C are perceived as hot, especially by
children, and may cause a feeling of burning. When the appliance has been in use for
some time, the fittings may be very hot!
• In case of malfunction isolate the power supply immediately. In case of leaks also
isolate the water supply. Repairs must only be carried out by Zip Heaters (UK) Ltd or
an authorized Zip service engineer.
• This appliance must not be used by any person (including children) with limited
physical, sensory or mental abilities or lacking suitable experience and/or knowledge
unless they are supervised by a person responsible for their safety or have received
instructions about how to use the appliance. Children should be supervised in order to
make sure that they do not play with the appliance.
• Zip Heaters (UK) Ltd cannot be held liable for any damages caused by failure to
observe these instructions.
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