11. Accessories and spare parts | gb
37
WARNING
Danger from electric shock!
Deactivate the fuse in the fuse box and
protect against being accidentally switched
back on. Fit a warning notice on the fuse
box.
1. Change filters in all ventilation units
as described in Chapter 12.1,
page 38.
2. Simultaneously press both room air
control keys for around 5 seconds.
Filter change counter is reset. The
filter change prompt is displayed
again after 4000 operating hours.
Other faults
Call on the services of a trained electrician
any time there is a fault. Repairs should
only be carried out by a trained electrician.
DANGER
Danger to life from electric shock!
Deactivate the fuse in the fuse box and
protect against being accidentally switched
back on. Fit a warning notice on the fuse
box.
Fault
Cause, Measure
No LEDs on
room air control
lit up.
No mains voltage,
ventilation units are
off.
Check whether the
●
mains fuse has
failed. Switch on if
necessary.
Ventilation unit
does not switch
on.
No mains voltage.
Check whether the
●
mains fuse has
failed. Switch on if
necessary.
Nothing happens
when dehumidi-
fication operating
mode is selected.
And /or room air
control switches
from dehumidi-
fication operating
mode to heat
recovery mode
after a short
period.
Humidity sensor not
connected.
Check whether
●
PPH-K humidity
sensor is correctly
connected to venti-
lation unit number
1, see page 36.
OR
Relative humidity at
sensor is less than
45 %. Ventilation
units running in heat
recovery mode.
All LEDs on room
air control
flashing.
Defect not obvious.
Call customer
●
service
(+49 77 20 694
447).
11.
Accessories and spare parts
Accessory/ spare part
Article no.
Replacement PPF G3 air
filter, filter class G3, 2
units
0093.0169
Replacement PPF M6 air
filter, filter class M6, 2
units
0093.0170
RLS PP-K
room air control
0157.0199
PPH-K humidity sensor
0157.0200