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Commissioning
10.2.6 Operation with preheated water
You can limit the maximum inlet temperature by installing a cen-
tral thermostatic valve.
10.2.7 Temperature limit
1 Position "Tred" (55 °C): Temperature limit
2 Position "Tmax": No temperature limit, for temperature set-
ting range, see chapter "Specification / Data table".
f Remove the appliance cover.
f
f Slide the switch to the required position.
f
f Fit the appliance cover
f
CAUTION Burns
When operating with preheated water, the set tempera-
ture limit may be ineffective.
f In this case, limit the temperature at the upstream
f
central thermostatic valve.
10.3 Completing the installation
f Open the shut-off valve in the twin connector or the cold
f
water inlet line.
12
| PEO 18/21/24 | PEO 27
11. Commissioning
WARNING Electrocution
Commissioning must only be carried out by a qualified
contractor in accordance with safety regulations.
11.1 Initial start-up
2
1
f Open and close all connected draw-off valves several times,
f
until all air has been purged from the pipework and the
appliance.
f Carry out a tightness check.
f
f Activate the safety pressure limiter by firmly pressing the
f
reset button (the appliance is delivered with the safety pres-
sure limiter deactivated).
f Plug the temperature selector cable plug into the PCB.
f
f Fit the appliance cover, ensuring it clicks into place. Check
f
that the appliance cover is seated correctly.
f Switch the power supply ON.
f
f Check the appliance function.
f
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