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WPL 33 HT |
19
insTaLLaTion
TaKinG THe aPPLiance ouT of use
12. taking the appliance out of use
!
Damage to the appliance and the environment
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.
12.1 standby
To take the appliance out of use, simply set the heat pump man-
ager to “Standby mode”. That way the safety functions that protect
the system and frost protection remain enabled.
12.2 power interruption
If the system is permanently isolated from the power supply,
please observe the following:
!
Damage to the appliance and the environment
If the heat pump and frost protection are completely
switched off, drain the system on the water side.
13. troubleshooting
Note
Please observe the heat pump manager operating and
installation instructions.
Note
The following inspection instructions may only be carried
out by a qualified contractor.
If you are unable to identify this fault with the heat pump manager,
check the elements on the IWS III HT.
Open the control panel by proceeding as follows:
f
f
Undo the screws,
f
f
lift the cover,
f
f
and remove the cover towards the front.
26
�0
3�
01
�1
55
7
f
f
Read the following sections on troubleshooting and carry out
the instructions.
13.1 elements on the iWs iii Ht
The IWS III HT (integral heat pump controller III) helps you to
troubleshoot if the fault cannot be identified using the WPM 2.1.
BA
26
�0
3�
01
�1
69
1�
1
4
3
2
1 LED
2 Reset button
3 DIP switch (WP-Typ [heat pump type])
4 DIP switch (BA [operating mode])
13.1.1 checking the “Wp-typ” dip switch on the iWs iii Ht
f
f
Check whether the “WP-Typ” DIP switch (3) is set as follows:
With an electric emergency/booster heater (dHc)
WP-Typ
26
�0
3�
01
�1
51
3
single compressor with external Hs 2.
If the appliance is operated in dual mode with an external second
heat source, set the DIP switch as follows:
26
�0
3�
01
�1
43
9
In this case the power supply for the electric emergency/booster
heater (DHC) must not be connected.
