Actual Values; Code; Appliance Shutdown - Stiebel Eltron VRC-W 400 Utilisation Et Installation

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appliance shutdown

„P33 : Temperature offset for condensate prevention
This parameter is used to vary the shutdown point for condensate
prevention. This allows the fans to be switched off 2 K before the
dew point temperature is reached, for example.
„P35 : Bypass function cooling/heating
f Set the operating mode for the bypass function.
Effect
1 Cooling/heating
2 Cooling
3 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

Display Description
I1 Bypass damper status
I2 Extract air temperature
I3 Relative humidity of extract air
I4 Filter service life
I5 Appliance software version
I6 Unit software patch
I7 Terminal device serial number
I8 Programming unit software version
I9 Outdoor air temperature
I10 Supply air temperature
I11 Exhaust air temperature
I12 Relative humidity of outdoor air
I13 Extract air dew point
I14 Outdoor air dew point
I15 Supply air fan control level
I16 Calculated supply air flow rate
I17 Exhaust air fan control level
I18 Calculated exhaust air flow rate
I19 Percentage output of internal preheating
I20 Ventilation unit operating time
I21 Fan operating time
I22 Extract air pressure differential
I23 Fan speed, supply air fan
I24 Fan speed, exhaust air fan
I70-79 Fault

12.3 Code

„Cod
Enter 1000 to enable actual values and parameters which are re-
served for qualified contractors. "A1" is shown on the display when
this is entered correctly.
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13. Appliance shutdown
We recommend running the appliance in fan stage 1, 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 peri-
od, disconnect it from the power supply by pulling the mains plug.
f Replace the filters.
14. Maintenance
WARNING Electrocution
Disconnect the appliance from the power supply before
carrying out work inside the appliance.
f Pull the mains plug out of the socket.
Maintenance by the qualified contractor includes cleaning the
cross-countercurrent heat exchanger and the fans. Subject to runt-
Unit
ime, this maintenance work should be carried out every 3 years.
°C
f Disconnect the power supply by pulling the power plug from
%
its socket.
h
f Remove the front panel (see chapter "Installation / Removing
the front panel").
f Remove the filter drawer from the appliance.
°C
°C
°C
%
°C
°C
%
m³/h
%
m³/h
%
d
d
Pa
rpm
rpm
f Undo the screws on the inner front panel.
f Remove the inner front panel from the appliance by tilting
the inner front panel forwards and then lifting it out of the
bottom slots.
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