TSC 80e TRANSFER SWITCH CONTROLLER
PM091 Rev 0 09/01/21 Thomson Technology
46
4.6.9.1.Utility Return Delay
The utility return delay period will be initiated once the utility supply has
returned within limits following a utility power failure condition. Select desired
utility return delay time in minutes. The range of settings is 0.0 to 30.0 minutes.
If no delay is required, set this time delay to zero. NOTE: The utility return
delay will be bypassed should the generator fail during the time delay period.
4.6.9.2.Generator Start Delay
The generator (i.e. engine) start signal will be initiated following expiry of the
start delay timer. Select desired generator start delay time in seconds. The
range of setting is 0 to 60 seconds. If no delay is required, set this time delay
to zero. NOTE: The output relay is normally energized when the utility power
is within limits and de-energizes to start the generator.
4.6.9.3.Generator Speed & Warm Up Delay
A transfer to the generator supply will be initiated when the voltage and speed
(I.e., frequency) are within limits and upon expiry of the warm-up delay timer.
Select desired generator warm-up delay time in seconds. The range of
settings is 0 to 60 seconds. If no delay is required, set this time delay to zero.
4.6.9.4.Generator Cool Down Delay
The generator (i.e. engine) cooldown period will be initiated once the load has
transferred from the generator supply. The engine start signal will be
maintained until expiry of the cooldown delay timer. Select desired generator
cooldown delay time in minutes. The range of settings is 0.0 to 30.0 minutes.
If no delay is required, set this time delay to zero.
4.6.9.5.Neutral Delay
The neutral delay time period will be initiated once both of the supply power-
switching devices are open during a transfer sequence. Select desired neutral
delay time in seconds. The range of settings is 0 to 60 seconds. If no delay is
required, set this time delay to zero. NOTE: The neutral delay may be
bypassed should the operating power fail for longer than the timer setting.
4.6.9.6.Neutral Position Time
The TSC 80e transfer control logic includes an adjustable time delay feature to
compensate for the maximum time that a transfer switch mechanism takes to
operate when load-sensing voltage is used to detect the neutral position. This
To Next Page
Loading...
Need help?
General
