ABB ACH550-01 User Manual page 138

5. Go to parameters 3614...3617 and set the start time to
8 PM and stop time to 10 PM. Then set the start and stop
days to Saturday and Sunday. Now time period 4 is set.
6. Create the timer by going to parameter 3626
and select all the created time periods (P1+P2+P3+P4).
7. Go to
in parameter 1201
the source of constant speed selection.
8. Set the drive to AUTO mode for the timer to function.
Note: For more information about the Timed functions, see
Group 36: TIMED FUNCTIONS
Boost
The boost function operates the drive for a certain
predetermined time. The time is defined with parameters and
activated with a selected digital input. The boost time starts
running after the digital input has been activated momentarily.
Boost must be connected to the timers and selected when a
timer is created. Boost is typically used for amplified air
ventilation.
Input activated
DI active
Boost active
126
Group 12: CONSTANT SPEEDS
CONSTANT SPEED
Boost time
ACH550 User's Manual
and select Timer 1
. Now timer 1 acts as
on page 258.
Input deactivated
Real-time clock and timed functions
1
TIMER SRC