Spring Air Systems Truflow-TC Installation and Operating May 2021
22
Setting the FLA Limits
From the
SETTINGS
screen Press the
FLA
VALUES
icon.
This will access the
FLA SETTINGS
screen. Settings are done for each kitchen separately.
During the start-up of the exhaust fan, the minimum amps setting is to be
determined by running VFD at minimum Hz. Record the actual RUNNING
AMPS and enter the value recorded into the
MIN FLA
.
This setting aides in detecting the actual running of the VFD at lower than
minimum set point or if the belt breaks.
The
MAX
amps should be equal to the FLA as marked on the exhaust fan motor.
Setting MAX Air Run Time
The
MAX AIR
(override) run time is adjusted from the SETTINGS screen
by touching the
K1 MAX AIR
or
K2 MAX AIR
icons.
This pop-up screen displays when you touch the
K1 MAX AIR
icon. The
active box allows you to set the
MAX AIR
duration to any value. Factory
setting is 20 minutes. When performing the airflow checks at startup this is
usually set to 60 minutes.
Surface Fire Alarm
In the event of the exhaust hood surface fire suppression system activating, the TC touch
screen will display as shown to the left. Touching the Yellow exclamation icon will take
you to the DASHBOARD.
It will show the system has shut down and a banner will read “SYSTEM ALARM”. If
you touch the MESSAGES button, you will see the message “Fire Suppression Alarm
”.
To resume normal operation, the fire suppression system and TC panel unit will
need to be reset. The fire suppression contractor will need to reset the suppression
release to open the micro switch that signals the tripped status. Once this has been
reset, you will need to go to the MESSAGE screen.You will see the Surface Fire
Suppression RESET button. Touching this button will reset and allow normal
operation of the TC system.
