Control Panel - MQ Power WHISPERWATT Series Operation Manual

1
The definitions below describe the controls and functions
of the control panel (Figure 7).
1. Main Circuit Breaker — 3-phase, 250-amp, main circuit
breaker connects and disconnects generator output
from the output terminal lugs, and protects the
generator from short circuits or overcurrent.
2. Basler DGC-2020ES Digital Genset Controller —
Displays parameters (AC voltage, AC current, phase,
frequency, oil pressure, engine run hours, water/coolant
temperature, and battery voltage), as well as diagnostic
trouble codes and messages. Refer to the Basler
Digital Genset Controller section for more information.
3. Panel Light — Illuminates the control panel for
nighttime operation.
4. LPG Lamp — Illuminates when liquid propane gas
(LPG) is selected as fuel.
5. Fuel Selector Switch — Place this switch in the NG
position to use only natural gas as fuel. Place this
switch in the LPG position to use only liquid propane
gas as fuel. Place this switch in the Auto position
to allow the unit to select fuel type automatically by
reading the pressure inside the NG plumbing (5 psi or
more will select NG fuel.
6. NG Lamp — Illuminates when natural gas (NG) is
selected as fuel.
NGA100SSPUL NATURAL GAS GENERATOR • OPERATION MANUAL — REV. #0 (11/28/23) — PAGE 21
3
2
11
12
Figure 7. Control Panel

CONTROL PANEL

5
4
7
10
7. Voltage Regulator — Allows fine adjustment of the
generator's output voltage.
8. Voltage Selector Switch — Use to select the output
voltage: 3Ø 480/277V, 3Ø 240/139V, or 1Ø 240/120V.
Located inside the control box.
9. Battery Switch — Connects and disconnects the
battery. Place the switch in the ON position prior to
starting the generator. When the generator is not in
use, place the switch in the OFF position.
NOTICE
NEVER place the battery switch in the OFF position
while the engine is running. The engine may not be
able to be stopped by normal operation, and damage
to the equipment may result.
10. Panel Light Switch — When activated, will turn on the
control panel light. Make sure the panel light switch is
in the OFF position when the panel light is not needed.
11. Emergency Stop Switch — Push this button inward to
stop the engine in the event of an emergency. DO NOT
use this button as a normal means of stopping the
engine.
12. Control Power Switch — Set this switch to the ON
position prior to operation. The digital controller will turn
ON. Make sure the switch is set to the OFF position
when operation has ended.
8
6
9