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6 720 813 938 (2016/06)OptiFlow Professional
Operation instructions | 7
3Operation instructions
Fig. 2
3.1 Digital display - description
Fig. 3 Digital display
[1] ON/OFF button
[2] Programming button
[3] LCD panel
[4] Feed button
[5] Return button
3.2 Before commissioning the appliance
▶ Check that the type of gas indicated on the rating plate is
the same type supplied to the appliance.
▶ Plug in the appliance to the electrical socket and switch on.
▶ Open the gas isolation valve of the installation.
▶ Open the water isolation valve of the installation.
3.3 Switching the appliance on/off
Switching on the appliance
▶ Press the button .
The display shows the selected water temperature.
Fig. 4
Switching off the appliance
▶ Press the button .
3.4 Temperature control
Open all the water and gas valves.
CAUTION: Burns!
In the flue exit area, high temperatures may
be reached.
▶ Do not touch the flue exit area while in
operation.
6720806426-06.1V
6720806146-02.1V
1
2
5
3
4
CAUTION:
▶ The initial start-up of the water heater
must be done by an authorised installer
who will provide the customer with all
the information required for the proper
operation thereof.
By default, the heating temperature of the
water is:
55°C preset appliances: 55°C
50°C compliant appliances: 50°C.
The temperature indicated on the LCD
display matches the pre-selected
temperature.
6720806146-03.1V
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