Indicators; To Select Airflow Level; To Cancel Sleep Mode; To Change Control Panel Address (If More Than One Control Panel Is Used) - SystemAir SAVE VTR 150/K User Manual

4.1.1

Indicators

General alarm LED shows when any alarm has occurred. Alarm type is not specified.
It is not possible to acknowledge alarms from the SAVE LIGHT control panel. Please check SAVE TOUCH
control panel or contact your local technical service provider.
The filter change LED shows when filters have to be replaced.
Filters cannot be cleaned and must be changed as necessary. This is normally done 2–3 times per year
depending on the air pollution at the installation site.
4.1.2

To select airflow level

LEDs show current airflow level (figure 3, pos. 3).
• Press button to increase the airflow.
• Press button to decrease the airflow.
Off
(Minimum)
The fan can be Fan speed – 25%
set to Off by
activating
Manual Fan
Stop function in
Service menu.
Note:
• Minimum and Maximum airflow can only be activated by a signal from an external source.
• Auto mode or Manual Fan Stop function can be enabled using the SAVE TOUCH control panel or a
mobile application.
• It is not recommended to set fan to Off in standard households. If manual fan stop is activated, the unit
should be provided with dampers in exhaust and fresh air ducts to avoid cold draught and risk of
condensation when the unit has been stopped.
4.1.3

To cancel sleep mode

Press any button to cancel the sleep mode. SAVE LIGHT returns to the sleep mode after 3 minutes of inactivity.
All control panel lights are off during sleep mode. The sleep mode is active from 9:00 PM to 7:00 AM (based on time of
the air handling unit).
4.1.4

To change control panel address (if more than one control panel is used)

If more than one SAVE LIGHT control panel is used, the address of other control panels must be changed.
Each control panel must have it's own unique address number. No control panel should have the same address value to
function properly.
1. Push and hold button for 10 seconds to see a current control panel address value.
254493 | v01
Low
Normal
Fan speed – 45%
Refresh
High
(Maximum)
Fan speed – 70% Sets speed of
both supply and
extract air fans
to Maximum
levels to replace
indoor air with a
fresh air in a
short period of
time.
The unit returns
to previously
active mode
after 1 hour
when in the
Refresh mode.
Operation | 3
Auto — flashing
slowly
Automatic
airflow control.
Available only
when Week
Schedule,
Demand
Control
functions are
active or Fan
Control setting
is set to
External.