Manual

20
5 Commissioning
* Setting will be required if the automatic switching from
summer to winter time is to be activated.
5.5 Service/Diagnostics Level
The service/diagnostics level should help the installer during
the service.
Keep the mode and prog buttons simultaneously pressed for
about 3 seconds to reach the service/diagnostics level. The
display will show the symbols .
By pressing and holding the “mode” button you will return to
the basic display.
You can display the following functions / information:
Action Display Meaning
press
prog
button
C-AIR
Set volume flow correction
Atmosorb HRD 275 350
Default setting in %
0
0
Min in % -50 -50
Max in % +50 +50
Adjustment of the set volume flow for fresh air
in order to produce a slightly negative pressure
in the building. At low temperatures it prevents
ice formation due to condensation water on the
doors and windows.
press
prog
button
C-RT Room temperature correction
Atmosorb HRD 275 350
Factory setting in °C
0
0
Min in °C
-3
-3
Max in °C +3 +3
Correction of the room temperature indicated on
the display of the remote control.
press
prog
button
DAY Desired value of the current day*
Atmosorb HRD 275 350
Factory setting
0
0
Min 0 0
Max 31 31
press
prog
button
MON
Desired value of the current month*
Atmosorb HRD 275 350
Factory setting
01
01
Min/month 01 01
Max/month 12 12
press
prog
button
YEAR
Desired value of the current year*
Atmosorb HRD
275
350
Factory setting 2005 2005
Min/year 2000 2000
Max/year
2159
2159
Table 5.1 Installer level (continued)
Please refer to diagram 5.1 for control panel buttons and
layout: