TM 11-5895-463-15
O P E R A T I N G INSTRUCTIONS
indicators of the major communications com-
3 - 1 . General
ponents, refer to the applicable technical
The following are the descriptions of the con-
manuals listed in appendix A.
trek and indicators of the shelter components.
For information concerning the controls and
a. Power Distribution Panel (fig. 1-6).
Control. idicator, or instrument
Description and function
MAIN circuit breaker
Sixty-ampere tircuit breaker. Provides overload protection for 115-volt, ac input
switch CBS.
source and ON-OFF control of ac power to individual circuit breaker switches.
Individual circuit breaker.
Provides ON-OFF control and overload protection fo individual circuits as follows:
Switches:
Rating (amp)
Circuit
Fluorescent lights.
15
1 LIGHTS............
15
Blower No. 1 and No. 2 receptacles
2 BLOWERS. . . . . .
20
Electric heater power receptacle HEATER 1 (fig. 1-6).
3 HEATER 1. . .
20
4 HEATER 2........
Electric heater power receptacle H EATER 2 (fig. 1-6).
20
Convenience receptacles.
5 CONV. . . . ..... . . . . .
20
Major communication equipment receptacles.
6 EQUIP................
20
7 AIR COND...........
Air conditioner receptacle.
Voltmeter..............
Ac voltmeter with O- to 150-volt scale. Indicates ac input voltage from external
power source.
Ammeter. . . . . . . . . . . . . . . . .
Ac ammeter with 0- to 100-ampere scale. Indicates total current drain from external
power source by AN/MSC-31A components in use.
Glowlamp
(8)-----------
Neon lamp. Glows when associated circuit breaker switch is on.
Description and function
Control, indicator, or instrument.
BLACKOUT-BY-PASS
Two-position on-off switch. Controls lighting in the AN/MSC-31A for blackout
operation as follows:
switch (fig. 5-1).
Function
Sw
Permits fluorescent lights to be controlled by individual light switches.
ON
Permits fluorescent lights to be controlled by door microswitch.
OFF
Lights when ac power is connected to the AN/MSC-31A.
POWER INDICATOR
NEON LAMP.
Door microswitch
Extinguishes fluorescent lights when shelter door is opened. (BLACKOUT-BY-PASS
switch at OFF. )
LIGHT 1 switch
Two-position on-off switch. Controls four fluorescent lights in each row and one
fluorescent light in front area (fig. 5-1).
Two-position on-off switch. Controls four fluorescent lights in each row and one
LIGHT 2 switch
fluorescent light in front area (fig. 5-1).
Incandescent light
switch (fig. 5-1).
Two-position light switch. Controls cold start incandescent light.
