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Commissioning
The following operations are to be tested once the
appliance has been finally installed. For this the venti-
lation module must be closed, otherwise the module is
de-energised.
•
Fan regulation (ON, max. and min. speed), front
retractable knob in the left hand side panel.
•
Operation type switch (fresh air, exhaust air,
OFF), rear rotary knob in the left hand side panel.
This switch is factory-equipped with an anti-over
twist stop. Ventilation appliances that are de-
signed into dwellings according to the German
Energy Saving Regulations are obliged to be so
equipped, that the user can only operate the ap-
pliance in its "fresh air, exhaust air, OFF" mode.
For this reason, this switch is equipped with a
stopper screw which prevents the switch being
over twisted. Appliances that are not designed in
according to the German Energy Saving Regula-
tions can have this screw removed so that the op-
erating mode "Fresh Air" (summer operation in or-
der that fresh air can be brought into the building
at night without heat-recuperation), i.e. only fresh
air is drawn into the room, the exhaust air is not
removed, the exhaust air fan is switched off. The
stopper screw on the switching plate at the top of
the ventilation module must be removed for this. In
order to remove this stopper screw, first remove
the front panel in the top of the ventilation appli-
ance. Take out the Philips screw.
•
Thermostat valve
•
Slider to close up the air channels
38
Stopper screw
Slider
Re-assembly
Appliances that have already been in operation or
have been taken apart and repositioned must be re-
installed according to these instructions. The commis-
sioning tests described on this page must also be
carried out.
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