TSC 80e TRANSFER SWITCH CONTROLLER
PM091 Rev 0 09/01/21 Thomson Technology
39
NOTE
The PT Ratio setting affects the displayed Utility & Generator
voltages when the SYSTEM VOLTAGE is set for 120V or 128V.
The PT ratio setting has no affect with any other system voltage
settings.
4.6.5.4.System Frequency
The TSC 80e controller can be programmed in software for 2 system
frequencies 50Hz or 60Hz.
When a system frequency is programmed, the TSC 80e’s generator frequency
setpoint percentage setting will be automatically programmed to correspond to
the sensing input frequency (e.g. with a 60Hz system frequency, and a 90%
under frequency potentiometer setting, the under frequency sensor will be
activated below 54.0 Hz).
4.6.5.5.System Phases
The TSC 80e controller can be programmed in software for two types system
Phases, single phase or 3 phase. Phase C voltage sensing input is ignored in
the single-phase mode.
4.6.5.6. 3 Wire Delta
This is a status menu only to indicate if the controller is currently configured for
3 wire operation. The status will indicate “YES” when the SYSTEM VOLTAGE
Setting is programmed to = 120V or 128V which enables the 3 Wire Delta
system operation.
4.6.5.7.LDC Transfer
The TSC 80e controller can be programmed in software to perform a Load
Disconnect signal operation prior to and following a load transfer. To enable the
LDC signal, program as YES. Refer to sections 5.4.9.7 & 5.4.9.8 for
programming the LDC time delay functions and section 5.4.10 for assigning the
desired type of output contact signal.
NOTE
1. The LDC Transfer default setting is YES
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