Zip 27910 User Manual
Electronically controlled instantaneous water heater
CEX 9-U: 27910 - 50 °C models
Instructions for the user
For 50 ºC models, the appliance delivers water not exceeding 50 ºC in accordance with AS3498.
1. Overview
When ordering spare parts, please always specify the appliance model and serial number.
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Pos. Part.-No. Description
1 Grommet
2 Connecting terminal
3 801110
4 801101
5 801114 Electronic CEX 9
6 Inlet pipe
7 801115 CEX-U cover
Flow sensor
Non-return valve
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Pos. Part.-No. Description
8 Cold and hot water connection 1/2“
9 801116
10 801117
11 Bottom part
12 Screws and dowels
Parts in Bold Type are available as Spare Parts.
Other parts are available on request.
Temperature sensor set
Heating element with STCO (STDB)
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Contents
1. Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2. Environment and recycling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3. Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
4. Technical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
5. Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
6. Typical installations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
7. Description of appliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
8. Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
9. Reset to factory setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
10. Additional features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
11. Cleaning and maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
12. Fault finding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2. Environment and recycling
This symbol on the products and / or accompanying documents means that used electrical and electronic products should not be mixed with general household waste. For proper treatment, recovery and recycling, please take
these products to designated collection points. Alternatively, in some countries you may be able to return your
products to your local retailer upon the purchase of an equivalent new product. Disposing of this product correctly
will help to save valuable resources and prevent any potential negative effects on human health and the environment which could otherwise arise from inappro priate waste handling. Please contact your local authority for further details of your nearest designated collection
point. Penalties may be applicable for incorrect disposal of this waste, in accordance with national legislation. If you are a business user
and you wish to discard electrical and electronic equipment, please contact your dealer or supplier for further information. This symbol is
only valid in the European Union.
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3. Safety instructions
Installation, initial operation and maintenance of this appliance must only be conducted by an authorised professional, who will then be
responsible for adherence to applicable standards and installation regulations. We assume no liability for any damages caused by failure
to observe these instructions.
• Do not use the appliance until it has been correctly installed and unless it is in perfect working order.
• The appliance is suitable but not limited to domestic use and similar applications inside closed, frost-free rooms, and must only be
used to heat potable water from mains supply.
• The appliance must never be exposed to frost.
• The appliance must be earthed at all times.
• The minimal specific water resistance must not fall below the value stated on the label.
• The maximum water pressure must not exceed the value on the label.
• 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 correctly in accordance with the instructions in this manual.
• Do not remove the front cover under any circumstances before switching off the mains electrical supply to the unit.
• Never make technical modifications, either to the appliance itself or the electrical leads and water pipes.
• Pay attention to the fact that water temperatures in excess of approx. 43 °C are perceived as hot, especially by children, and may
cause a feeling of burning. Please note that the fittings and taps may be very hot when the appliance has been in use for some time.
• Water inlet temperature must not exceed 70 °C.
• In case of malfunction, disconnect the fuses immediately. In case of leaks, cut off the cold water supply instantly. Repairs must only be
carried out by the customer service department or an authorised professional.
• This appliance must not be used by any person (including children) with limited physical, sensorial or mental abilities or failing experience and/or knowledge unless they are supervised by a person responsible for their safety or 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.
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