36
P2 Inputting the time
P2 Time
12:35
Press the
button.
Alternatively, get to P3 by pressing
.
Set the hour value using
or
.
Confirm with
.
Set the minute value using
or
.
Confirm with
.
P3 Inputting the date
P3 Date
21.08.11
Press
or
for P4.
Set the day value using
or
.
Confirm with
.
Set the month value using
or
.
Confirm with
.
Set the year value using
or
.
Confirm with
.
P4 Service menu
P4 Service
Access to the service menu is protected by a
PINcode. Only persons who have been
trained and who are well acquainted with the
system may make changes in the Service
menu (
→
Chapter 11.2).
Press
.
The starting display appears.
12:35 21.01.11
16 °C
Switching the EW-S controller off
Press
.
The EW-S controller switches off. Outside air
is now fed directly to the ventilation system
without any temperature change.
6.
Cleaning, maintenance
6.1 Safety instructions
●
Switch-off the EW-system at the EW-S
controller before starting any cleaning and
maintenance work.
●
Switch the room air system off.
6.2 Changing the air filter
Change the air filter regularly, at least
every 6 months. Only use original
EW-F replacement filters.
(
→
Chapter 1).
Switch the EW-system off at the EW-S
controller.
Switch the room air system off.
Switch the mains fuse off.
Depending on the installation position of
the EW-K 225, remove the 2 screws from
the right or left housing cover.
Remove the housing cover.
Pull the metal frame with the air filter out of
the housing.
Remove the filter insert from the metal
frame. Dispose of these according to local
regulations.
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