9
TTL air curtain systems - Controller TWICS
6. Operating modes
6.1 OFF mode
In the OFF mode the air curtain system is switched off, but in serviceability and can be activated for operation
by actuation of the buttons MANUAL mode or AUTOMATIC mode.
6.2 MANUAL mode
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rate with adjustment of a continous alterable performance with the Upwards and Downwards keys (only possi-
ble for fans with EC motors) or selection of a operating stage 1 - 5 (AC motors).
The adjustment happens separately for warm air (main outlet nozzle) and cold air outlet (fore outlet nozzle).
Perhaps connected door contacts, room sensors or room thermostates are without effect.
Howether fault messages as like motor faults or frost alert faults and with it associated switchings take place
for safety reasons.
6.3 AUTOMATIC mode
In AUTOMATIC mode the air curtain unit will be switched-on or switched-off by an external conductor (door
contact or a proximity switch) connected at clambs 18/19.
The switch-off of air curtain device(s) by OFF key (0) at the TWICS control panel doesn`t
disconnect automatically the power connection to the electricity grid. Electrical systems
inside the air curtain unit as well as in the control panel and also the power cable and the
data lines may still be energized. The complete electrical disconnection of the air curtain
device from the mains will be effect exclusively by a repair switch provided by customer!
Key sequence: or - to select cold air nozzel or war air outlet nozzle
or - for setting a operating stage (AC motors) or
continous adjustment of air volume (EC motors)
Key sequence: or - for setting a operating stage (AC motors) or
continous adjustment of air volume (EC motors)
Caution: The warm air nozzle outlet and cold air nozzle outlet performance is
linked together in Automatic mode (s. also menu Basic settings 3.16 -
Cold air roller -%
for setting of intensity of cold air outlet
