INsTALLATIoN
Appliance shutdown
48 | LWZ130 www.stiebel-eltron.com
P34: Window contact operating mode
f Set whether the window contact should be taken into account
in the bypass function.
Effect
0 The supply air fan is switched off independently of the window contact.
1 Whether the appliance switches off the supply air fan depends on the
window contact.
P35: Bypass function cooling/heating
f Set the operating mode of the bypass function.
Effect
0 cooling / heating
1 cooling
2 heating
P70 : Delete fault list
To delete the fault list, set this parameter to 1. Press the "OK"
button to confirm. Afterwards, 0 is displayed again and the fault
list is deleted.
12.2 Actual values
Description Unit
I1 Passive cooling status
I2 Extract air temperature °C
I3 Relative humidity of extract air %
I4 Filter service life h
I5 Appliance software version
I6 Unit software patch
I7 Terminal device serial number
I8 Programming unit software version
I9 Outdoor air temperature °C
I10 Supply air temperature °C
I12 Relative humidity of outdoor air %
I13 Extract air dew point °C
I14 Outdoor air dew point °C
I15 Supply air fan drive output %
I17 Exhaust air fan drive output %
I19 Percentage output of internal preheating %
I20 Ventilation unit operating time d
I21 Fan operating time d
I23 Fan speed, supply air fan rpm
I24 Fan speed, exhaust air fan rpm
I70-79 Fault
12.3 Code
Cod
Enter 1000 to enable actual values and parameters, which are
reserved for qualified contractors. "A1" is shown on the display
when this is entered correctly.
13. Appliance shutdown
We recommend running the appliance in fan stage1, even during
prolonged absence.
!
Material losses
If you interrupt the power supply to the appliance, check
that humidity protection is ensured for the building.
If the appliance needs to be taken out of use for an extended
period, disconnect it from the power supply.
f Replace the filters.
14. Maintenance
WARNING Electrocution
Disconnect the appliance from the power supply before
carrying out work inside the appliance.
Activity Maintenance inter-
val (in years)
Cleaning the condensate pan 1
Condensate drain 1
Clean cross-countercurrent heat exchanger 3
Fan 3
Preheater 2
Air ducts 3
f Open the cover beneath the appliance or remove the sus-
pended ceiling panels under the appliance.
f Interrupt the power supply.
Condensate pan
D0000068467
1
1
2
1 Condensate pan fixing screws
2 Condensate pan
f Undo the fixing screws of the condensate pan.
f Remove the condensate pan from the appliance carefully as it
may still contain water.
Condensate drain
!
Material losses
A blocked condensate drain can cause appliance faults.
If the condensate drain is blocked, condensate can escape
from the appliance in an uncontrolled manner and cause
water damage.
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