18
VUT 300 (301) EV(K) mini EC
Fig. 19. Kitchen hood control
Light ON/OFF
low speed ON
medium speed ON
high speed ON
Extract mode OFF
11. Alarms.
In case of alarm the unit is turned off and the wall-mounted control panel display shows the alarm
indicators, fig. 18. The possible alarms are listed in the table 4.
Fig. 18. Alarm indication
Freeze protection
sensor breakout
Duct temperature sensor breakout
Heater overheating
Temperature sensor alarm
ALARM
INDICATION
FAULT HANDLING
Heater overheating.
Heater overheating. Switch the thermal
protection thermostats manually.
Temperature sensor
alarm
Short circuit of the temperature sensor(s).
Remove the short circuit.
Duct temperature sensor
breakout
Remove the duct temperature sensor
breakout.
Freeze protection sensor
breakout
Remove the freeze protection sensor
breakout.
Table 4. Unit alarms
12. Kitchen hood control (only for the units VUT 300 (301) EVK mini EC).