SystemAir SAVE VTC 700 Bedienungsanleitung Seite 22

22
| Alarms
Alarm name
External stop
Manual fan stop active
Overheat temperature
Low supply air temperature
CO₂
RH
Output in manual mode
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.
Explanation
Unit is stopped by external signal.
Operation stopped, fans are in
manual mode and selected as OFF.
Temperature after reheater is too
high.
Active: (Overheat temperature
sensor measures > 55°C)
Returned: (Overheat temperature
sensor measures < 50°C)
Supply air temperature is too low.
Active: (Outdoor air temperature
sensor measures < 0°C) AND (Supply
air temperature sensor measures <
5°C)
Returned: (Supply air temperature
sensor measures > 10°C)
External CO sensor malfunction.
2
External relative humidity sensor
malfunction.
One or more of analogue outputs are
in manual mode.
Do the following
Operation is stopped by digital signal
from external remote device or
signal from building management
system.
Select another speed of fans (LOW /
NORMAL / HIGH) or AUTO mode in
HMI home screen.
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.
Check the heat exchanger and re-
heater or refer to Point 2 in
"Troubleshooting" menu.
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.
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.
Check Service menu for Output
settings, and check all configured
outputs to be in Auto mode. If any
outputs in Manual - change back to
Auto mode.
GB
211468 | A004