www.stiebel-eltron.com WPL 10 | 17
INSTALLATION
Shutdown
BA
BA
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3
4
1
2
1 LEDs
2 DIP switch (WP-Typ)
3 Reset button
4 DIP switch (BA)
DIP switch (WP-Typ)
With the DIP switch (WP-Typ), you can set the IWS to suit the
relevant heat pump type.
Factory setting
Compressor mode with electric emergency/booster heater
WP-Typ
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Check whether the DIP switch is set correctly.
Compressor mode with external second heat generator
!
Damage to the appliance and environment pollution
In this case, do not connect the electric emergency/boost-
er heater.
If the appliance is operated in dual mode operation with an ex-
ternal second heat generator or as module with a further WPL,
set the DIP switch as follows:
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DIP switch (BA) on the IWS
The operating mode of the heat pump is selected with the DIP
switch (BA).
!
Damage to the appliance and environment pollution
The DIP switches must always be set to the OFF position.
The heat pump can only be operated when the switches
are in this position.
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Check whether the DIP switch is set correctly.
15. Shutdown
!
Damage to the appliance and environment pollution
Never interrupt the heat pump power supply, even out-
side the heating season. Otherwise, system frost protec-
tion is not guaranteed.
The heat pump manager automatically switches the heat
pump to summer or winter mode.
15.1 Standby mode
To shut down the appliance, simply set the heat pump manager
to "Standby mode". This way the safety functions that protect the
system remain enabled, e.g. frost protection.
15.2 Power interruption
If the system is to be isolated from the power supply permanently,
please observe the following:
!
Material losses
If the heat pump and frost protection are completely
switched off, drain the system on the water side.
16. Appliance handover
Explain the function of the appliance to users and familiarise them
with its operation.
Note
Hand over these operating and installation instructions
to users for safe-keeping.
Always carefully observe all information in these instruc-
tions. They provide information on safety, operation, in-
stallation and maintenance of the appliance.
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