TSC 800 TRANSFER SWITCH CONTROLLER
PM 049 REV 9 06/04/24 Thomson Technology
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Displays utility supply voltage as follows:
• 3-phase system: LINE TO LINE VOLTAGE--Phases C to A
• 1-phase system: LINE TO NEUTRAL VOLTAGE--Phases L2 to N
5.7. GENERATOR SUPPLY MENU
The generator supply menu allows the operator to view the generator supply voltage and
frequency values.
LCD DISPLAY
Gen 60.0Hz
600
600
600
Displays generator supply frequency in hertz (Hz). The frequency is displayed with a
resolution of 1/10 of a hertz.
Displays generator supply voltage as follows:
• 3-phase system: LINE TO LINE VOLTAGE--Phases A to B
• 1-phase system: LINE TO LINE VOLTAGE--Phases L1 to L2
Displays generator supply voltage as follows:
• 3-phase system: LINE TO LINE VOLTAGE--Phases B to C
• 1-phase system: LINE TO NEUTRAL VOLTAGE--Phases L1 to N
Displays generator supply voltage as follows:
• 3-phase system: LINE TO LINE VOLTAGE--Phases C to A
• 1-phase system: LINE TO NEUTRAL VOLTAGE--Phases L2 to N
NOTE: The load bus voltages are viewable only in the Programming Menu. When
selected as 3-phase load sensing it will be displayed as listed above for 3-phase
systems. When selected as 1-phase, only the L1 to L2 voltage will be displayed as a
line-to-line value. 3-phase load sensing can only be selected if all 3 phases of the load
bus are wired to the TSC 800 controller. Most transfer switches manufactured prior to
December 2004 will not have the C phase load bus wiring installed and must be set for
1-phase load sensing.
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