Description Of The Appliance - clage CEX 9-U Gebrauchs- Und Montageanleitung

Contents
List of figures
Operating instructions

1. Description of the appliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2. How to use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Temperature setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Programme buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Temperature limitation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Reset to factory setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Top-up heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
ECO mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Power limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Venting after maintenance work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Cleaning and maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3. Environment and recycling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4. Trouble-shooting and service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
5. Product data sheet in accordance with EU regulation -
812/2013 814/2013 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .106
The alignment template is located on the pull-out pages in the middle of this manual.
Note: Carefully read the enclosed safety instructions through in full before the appliance is installed, put into service and
used and follow them in the further steps and during use!
The documents supplied with the device must be stored carefully.
Operating instructions
1. Description of the appliance
The instantaneous water heater CEX 9-U / CEX 9 is a electronically controlled,
pressure-resistant water heater for a decentralised hot water supply to one or
more outlets.
Its electronic control regulates the heating power consumption depending
on the selected outlet temperature, the respective inlet temperature and the
flow rate, thus reaching the set temperature exactly to the degree and keep-
Installation instruction
1. Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2. Technical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3. Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4. Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Mounting the appliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Installation site . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Installing the appliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
5. Electrical connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Wiring diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Structural prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Electrical connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
6. Initial operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Selection of power rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Reinstallation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Shower application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Lock level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
7. Service menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
ing it constant in case of pressure fluctuations. The required outlet tempera-
ture can be entered via key press within a range between 20 °C and 55 °C and
can be read off the digital display.
The maximum inlet temperature can be up to 60 °C so that operation in con-
nection with e.g. solar heating systems is possible.
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