20 | WPL basic | WPL S basic www.stiebel-eltron.com
INSTALLATION
Commissioning
12. Commissioning
Note
When quick start is used, the starting resistors are not
patched in.
Do not use quick start when measuring the starting
current.
A heat pump manager is required to operate the appliance. All
necessary adjustments prior to and during operation are made
on this unit.
Only heating contractors may carry out the adjustments on the
heat pump manager commissioning report, commission the ap-
pliance and instruct the owner in its use.
Commissioning is to be carried out in accordance with these instal-
lation instructions and the operating and installation instructions
of the heat pump manager. Our customer service can assist in the
commissioning, which is chargeable.
Where this appliance is intended for commercial use, the rules of
the relevant Health & Safety at Work Act may be applicable for
commissioning. For further details, check with your local author-
ising body.
12.1 Checks before commissioning
Before commissioning, check the following points:
12.1.1 Heating system
- Have you filled the heating system to the correct pressure,
and opened the quick-acting air vent valve?
12.1.2 Temperature sensor
- Have you correctly located and connected the outside tem-
perature sensor and the external return temperature sensor
(in conjunction with a buffer cylinder)?
12.1.3 Power supply
- Have you correctly connected the power supply?
-
12.1.4 High limit safety cut-out
In ambient temperatures of below -15 °C it is possible that the high
limit safety cut-out of the electrical emergency/booster heater
may trip.
Check whether the high limit safety cut-out has tripped.
26�03�01�1023�
1
2
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.
12.2 Commissioning
12.2.1 DIP switch (“WP-Typ”)
Open the control panel.
The IWS is located on the r.h. side.
BA
BA
26�03�01�0921�
3
4
1
2
1 LEDs
2 DIP switch (WP-Typ)
3 Reset button
4 DIP switch (BA)
With the DIP switch (“WP-Typ”), you can select the various heat
pump types on the IWS.
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