www.stiebel-eltron.com WPL 33 | 19
INSTALLATION
Commissioning
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Secure the hose using the oval hose clip provided and seal it.
12.3.3 Insulating the brickwork
Ensure that no cold bridges form between the brickwork and the
hose connection panels or wall outlets. Cold bridges can result in
condensation forming in the brickwork.
If necessary, fit suitable insulation between the brickwork
and the hose connection panels or wall outlets.
13. Commissioning
A qualified contractor must commission the appliance, make all
settings at the commissioning level of the heat pump manager,
and instruct the user.
Commission in accordance with these installation instructions
and the operating and installation instructions of the heat pump
manager. Our customer support can assist with commissioning,
which is a chargeable service.
Where this appliance is intended for commercial use, the rules of
the relevant Health & Safety at Work Act may be applied during
commissioning. For further details, check with your local author-
ising body (in Germany, for example, this is the TÜV).
13.1 Checks before commissioning the heat pump
manager
!
Material losses
Observe the maximum system temperature in underfloor
heating systems.
Check whether the heating system is charged to the correct
pressure and whether the quick-action air vent valve in the
heat pump is open.
Check whether the outside temperature sensor and the re-
turn sensor are correctly placed and connected.
Check whether further sensors are correctly positioned and
connected.
Check whether the power supply is connected correctly.
13.1.1 High limit safety cut-out
With ambient temperatures of below -15 °C it is possible that the
high limit safety cut-out of the electric emergency/booster heater
may trip.
Check whether the high limit safety cut-out has tripped.
1
2
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1
1 High limit safety cut-out reset button
2 Electric emergency/booster heater
Reset the high limit safety cut-out by pressing the reset
button.
13.2 Commissioning the heat pump manager
Commission the heat pump manager and make all settings in
accordance with the operating and installation instructions for
the heat pump manager.
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