Swegon CLASS UNIT Operation & Maintenance Instructions Manual page 24

Stop fan when pressure alarm
Possibility to stop the fans automatically in case of a pressure
alarm.
Setting Settings
range
Stop fans No
Yes
Start torque
Possibility to change the fans's starting torque.
Setting Settings
range
Start Torque 0...100%
Deactivate softstop
With this function, the "OFF" function is deactivated.
Setting Settings
range
Softstop Yes
No
Temperature
In this menu advanced temperature control parameters can be
modified.
Supply air involves keeping a constant supply air temperature
without consideration to the load in the premises.
Extract air involves keeping a constant temperature in the
extract air duct (premises), by modulating the supply air tem-
perature.
The reaction speed of capacity control signal can be modified.
A higher Setting will result in a smoother control; a lower Set-
ting will result in a faster reaction speed. but also greater risc of
oscillations.
Setting
Supply or Extract tempe-
rature control?
Reaction speed
Supply air, min
Supply air, max
Stop fan if T°Supply <5°C
24
Factory
setting
No
Factory
setting
2%
Factory
setting
No
Settings Factory
range setting
Supply Supply
Extract
1...10 1
0...20°C 15,0°C
16...50°C 28,0°C
No No
Yes
ADVANCED SETUP
2ND 0...10 CONTROL SIGNAL
CONSTANT PRESSURE
STOP FAN
START TORQUE
DEACTIVATE SOFTSTOP
ADVANCED SETUP
CONSTANT PRESSURE
STOP FAN
START TORQUE
DEACTIVATE SOFTSTOP
TEMPERTURE
ADVANCED SETUP
CONSTANT PRESSURE
DEACTIVATE SOFTSTOP
TEMPERATURE
BOOST
POST VENTILATION
Operation and maintenance instructions – CLASS UNIT TAC5