Completing The Installation; Commissioning; Initial Start-Up - Stiebel Eltron PEY 18/21/24 Operación E Instalación

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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
CAUTION Burns
When operating with preheated water, the set temper-
ature limit may be ineffective.
f In such cases, limit the temperature with an up- f
stream central thermostatic valve.
You can adjust the temperature limit inside the appliance cover.
1
1 Position "Tred" (55 °C): Temperature limit
2 Position "Tmax": No temperature limit, for temperature set-
ting range, see chapter "Specification / Data table".

10.3 Completing the installation

f Open the shut-off valve in the twin connector or the cold f
water inlet line.
12 | PEY
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11. Commissioning

11.1 Initial start-up

2
f Open and close all connected draw-off valves several times, f
f Carry out a tightness check. f
f Activate the safety pressure limiter by firmly pressing the f
f Plug the temperature selector cable plug into the PCB. f
f Fit the appliance cover, ensuring it clicks into place. Check f
f Switch the power supply ON. f
f Check the appliance function. f
WARNING Electrocution
Commissioning must only be carried out by a qualified
contractor in accordance with safety regulations.
3
L3'
4
L2'
1
L1'
2
until all air has been purged from the pipework and the
appliance.
reset button (the appliance is delivered with the safety pres-
sure limiter deactivated).
that the appliance cover is seated correctly.
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