TM 5-3610-287-24
the Section. The main power switch feeds power to the load center through
the main circuit breaker, where power is divided into individual circuits
controlled by circuit breakers. Individual circuit breakers control power
to various systems and appliances. For a detailed description of the
Section electrical system, refer to TSS Press Section wiring diagram at the
end of this manual.
The power monitor assembly provides phase, frequency, and voltage
information on 3-phase power coming into the Section. Each power phase is
monitored by the power monitor assembly through lead wires connected
ahead of the main power switch. The power monitor assembly is used to
check incoming power for proper phase, voltage, and frequency before it is
switched to the circuit breaker control panel. Monitoring for proper
voltage, phase, and frequency of power before powering up the Section
prevents damage to Section equipment. The frequency meter measures
frequency of each phase of power coming into the Section in cycles per
second. Correct frequency for the Section is 60 Hz. The voltage meter
measures voltage of each phase of input power. Correct voltage is 120 Vac.
The phase selector switch allows monitoring of incoming voltage and
frequency by selecting each of the three phases of power. The power
monitor assembly is protected by a 250-volt, 1 amp fuse.
The electrical system supports three types of lighting systems in the
Section. These systems are the fluorescent light system, the blackout
light system, and the dome lights.
The fluorescent light system consists of nine fluorescent lights with
individual ON/OFF switches. Each light fixture has two 40-watt lamps. A
radio frequency (RF) filter is provided to filter out electromagnetic
interference (EMI) produced by the fluorescent light. The ballast
increases the voltage coming into the fluorescent light.
The blackout light system has two light fixtures which light when the
system is activated by opening either of the personnel doors. The blackout
light system contains a relay located inside the load center, which
switches power ON or OFF to the fluorescent ceiling lights, expanding side
wall lights, and the blackout lights. The positions of the blackout light
switch and blackout bypass switch determine which light system will be
activated by the relay. When the blackout light switch is in the ON
position, ac power is available to be channeled through the relay to the
ceiling blackout lights depending. on the positions of the blackout bypass
switch and door switch. The blackout bypass switch activates the blackout
relay to bypass the system and returns lighting to normal operation.
The dome lights operate independently of all Section systems on
12-volt dc power supplied by an external source. Switches mounted on each
dome light control ON/OFF operation.
The plumbing electrical system is designed to provide heated or
ambient-temperature water upon demand for the press operator. It consists
of a main pump ON/OFF switch , water heater ON/OFF switch, and temperature
control switch. Power is distributed at a junction box under the sink.
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