SAVE VTC 500 SERVICE AND ACCESSORIES INSTALLATIONV01 20210316

12
| Configuration
Alarm name Explanation Do the following
Built-in extract air temperature
sensor
Indicates internal extract air
temperature sensor malfunction.
Active: measured temperature = 0°C
Returned: measured temperature >
5°C
Check that sensor is connected
properly and cable is not damaged.
Contact your installation company or
place of purchase.
Extra controller alarm Error from external device. Check if external device is connected
properly and cable is not damaged.
Reset overheat protection on
electrical pre-heater. Contact your
installation company or place of
purchase.
C class alarms:
Filter warning Notification about filter change. Filter have to be replaced in one
month time. Please acquire new
filters.
Filter Time for filter change. Change the filter.
Change filter according to the
instructions in the User Manual.
Details about filter retailers can be
found in Help menu.
External stop Unit is stopped by external signal. Operation is stopped by digital signal
from external remote device or
signal from building management
system.
Manual Fan Stop Operation stopped, fans are in
manual mode and selected as OFF.
Select another speed of fans (LOW /
NORMAL / HIGH) or AUTO mode in
HMI home screen.
Overheat Alarm Temperature after reheater is too
high.
Active: (Overheat temperature
sensor measures > 55°C)
Returned: (Overheat temperature
sensor measures < 50°C)
Alarm is possible if supply airflow is
too low when the reheater is
switched on.
Check the supply airflow.
Check that intake grille is not
blocked.
Check that shut off damper for
outdoor air is open in operation.
Contact your installation company or
place of purchase.
External CO2 sensor External CO
2
sensor malfunction. Check that sensor is connected
properly and cable is not damaged.
In case sensor wireless – check
RS485 gateway status and sensor
status in HMI.
Contact your installation company or
place of purchase.
External RH sensor External relative humidity sensor
malfunction.
Check that sensor is connected
properly and cable is not damaged.
In case sensor wireless – check
RS485 gateway status and sensor
status in HMI.
Contact your installation company or
place of purchase.
Output in manual mode One or more of analog outputs are in
manual mode.
Check Service->Output menu.
Make sure all configured outputs are
set to Auto value.
Alarm Fire Alarm can be only activated with a digital signal from a smoke/fire detection system or similar. Digital in-
put has to be configured as Fire Alarm for this alarm to work.
Digital output configured as Sum Alarm sends a generic signal every time the alarm is triggered, except for alarms Ex-
ternal stop, Output in manual mode and Manual Fan Stop. This signal does not specify the alarm type.
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