TM 55-1520-240-23-7
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LIGHTING SYSTEMS
(Continued)
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CONSOLE LIGHT SYSTEM WITHOUT 17
Description
The console lighting system provides 26 vac and 5 vac
to the panel lights in the console. The system includes
the CONSOLE LTS control and a 5 volt autotransformer.
The autotransformer provides 5 volts and 1.5 vac
through caution lights dimming relay to the AFCS control
panel lights.
Operation
Power for the console lighting system comes from the
26 vac No. 1 bus. When CONSOLE LIGHTING circuit
breaker is closed, 26 vac is applied to terminal 1, 2,
and 3 of CONSOLE LTS control. When the control is
set to BRT, 26 vac is applied to autotransformer and to
the 26 volt lamps. All panel lights are simultaneously
turned off or set to a level between dim and bright with
the CONSOLE LTS control.
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