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 TM 55-1905-223-10
Table 2-1. Description of Operator's Controls and Indicators - CONT
Key
Control or Indicator
Function
Emergency Switchboard (FIGURE 2-43)
1
Indicates emergency generator voltage.
2
Indicates emergency generator watt output.
3
EMERGENCY GENERATOR
Indicates emergency generator power is
POWER AVAILABLE
available (white).
4
FREQUENCY METER
Indicates emergency generator frequency.
5
Indicates emergency generator amperage.
6
120V GROUND
Indicates ground fault conditions on any one of
DETECTION LIGHT
these phases of the emergency generator (amber).
7
VOLTAGE ADJUST
Adjusts emergency generator voltage output.
RHEOSTAT
8
120V GROUND
Provides test of 120V ground detection lights.
DETECTION
SWITCH
9
Provides selection of phases A, B, or C for
SWITCH
reading on AMMETER (5).
10
EMERGENCY
Indicates circuit breaker is in closed position
GENERATOR
(red).
CIRCUIT BREAKER
CLOSED
11
Circuit Breaker
Selects TRIP or CLOSE position for emergency
Control Switch
generator circuit breaker.
12
EMERGENCY
Indicates that circuit breaker is in OPEN
GENERATOR
position (green).
CIRCUIT BREAKER
OPEN
13
Selects phases A-B, B-C, C-A, or BUS A-B for
SWITCH
reading on VOLTMETER (1).
14
240 VOLT
Provides test of 240V ground detection lights.
GROUND TEST
2-115
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