10
The specifications of the earth leakage breaker :
z
Rated Sensitive Current: 30mA (or below) (Grounding resistance: 500
Ω
or below)
z
Sensitive time: Within 0.1second
5-3.1 Grounding Work
The qualified electrician should perform the grounding work of the following 3 points (500
Ω
or
below).
z
The earth grounding terminal in the output terminals
z
The Outer Bonnet (Canopy) of the generator
z
The Outer Bonnet of the load
<Caution>
z
In the event you cannot ground the generator to the earth, consult with the authorized dis-
tributor or our engineering section.
5-3.2 Operation Check
Before operating the generator, check always if the device can work.
①
Turn the starter switch from STOP to Run.
②
Turn (Push-up) the circuit breaker (lever) to ON position.
③
Push the test button. (When the button is pushed, the earth
leakage indication lamp turns ON and the circuit breaker is po-
sitioned in the middle of ON and OFF positions, the device can
work normal.)
④
Push the reset button. (The earth leakage indication lamp (red)
turns OFF subsequently.)
⑤
Turn (push down) the circuit breaker (lever) to OFF position.
⑥
Restore the switch to STOP.
<Caution>
z
In the event you cannot complete every step of the above procedure to the end, the device is
out of order. Consult with our authorized distributor or our engineering section to repair.
RESET BUTTON
EARTH LEAKAGE
INDICATION LAMP
TEST BUTTON
EARTH GROUNDING TERMINAL
BONNET GROUNDING
TERMINAL
GROUNDING ROD
DGW311DM
EARTH GROUNDING TERMINAL
BONNET GROUNDING
TERMINAL
GROUNDING ROD
DGW311L
Summary of Contents for DGW311DM
Page 31: ...30 14 Engine Wiring Diagram DGW311DM DGW311L...
Page 32: ...31 220V 60Hz 15 Generator Wiring Diagram...
Page 33: ...32 DGW311L W 220B 220V 60Hz...
Page 34: ...33 DGW311L W 380A 380V 50Hz...
Page 35: ...34 DGW311L W 400A 400V 50Hz...
Page 36: ...35 DGW311L W 415A 415V 50Hz...
Page 37: ...Head Office Telephone 81 82 849 2220 FAX 81 82 849 2481 71902 94012...