Multiquip MQ Power 60HZ Whisperwatt Generator DCA25USI Manuel d'utilisateur télécharger pdf (Page 18)

PAGE 18 — DCA25USI 60 HZ GENERATOR • OPERATION AND PARTS MANUAL — REV. #3 (07/19/11)

GENERATOR CONTROL PANEL

Figure 4. Generator Control Panel

1000

2000

3000

R P M

OFF

W-U

V-W

U-V

DECREASE

INCREASE

STOP

OPERATION

(PRE-HEAT)

START

The deﬁnitions below describe the controls and functions

of the Generator Control Panel (Figure 4).

1. Voltage Regulator Control — Allows ±15% manual

adjustment of the generator’s output voltage.

2. Main Circuit Breaker—This three-pole, 60A main

breaker is provided to protect the the U,V, and W

Output Terminal Lugs from overload.

3. Ammeter Change-Over Switch — This switch allows

the AC ammeter to indicate the current ﬂowing to the

load connected to any phase of the output terminals,

or to be switched off. This switch does not effect the

generator output in any fashion, it is for current reading

only.

4. Voltmeter Change-Over Switch — This switch allows

the AC voltmeter to indicate phase to phase voltage

between any two phases of the output terminals or to

be switched off.

5. AC Voltmeter — Indicates the output voltage present

at the U,V, and W Output Terminal Lugs.

6. AC Ammeter — Indicates the amount of current the

load is drawing from the generator per leg selected by

the ammeter phase-selector switch.

7. Frequency Meter — Indicates the output frequency

in hertz (Hz). Normally 60 Hz.

Located behind the generator control panel is the Generator

Control Box. This box contains some of the necessary

electronic components required to make the generator

function.

The Control Box is equipped with the following major

components:

 Over-Current Relay

 Automatic Voltage Regulator (AVR)

 Starter Relay

 Current Transformer

 Voltage Selector Switch

 Main Circuit Breaker

NOTICE

Remember the overcurrent relay monitors the current

ﬂowing from the U,V, and W Output Terminal Lugs

to the load.

In the event of a short circuit or over current condition,

it will automatically trip the 60 amp main breaker.

To restore power to the Output Terminal Panel, press

the reset button on the overcurrent relay and place the

main circuit breaker in the closed position (ON).

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Multiquip MQ Power 60HZ Whisperwatt Generator DCA25USI Manuel d'utilisateur Page 18

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