14
(4) Thermal Relay
This relay sends the signal to the circuit breaker to trip-off
when over-current flows in the circuits.
When the breaker trips-off, it is set at the middle of ON and
OFF. In the case, please recover the breaker, according to
the following procedure;
①
Stop the engine.
②
Open the control panel and push the reset button of
the thermal relay.
You can recover the breaker to the ON position.
< NOTE >
Do not change the preset value of the thermal relay.
(5) Ampere Meter Selector Switch
The phase current displays in the meter, by switching to each
phase (L1,L2,L3) position.
(6) Battery Isolator
When turning the switch to OFF, the engine
electric circuit does not activate due to no
battery power.
(7) Earth Leakage Relay Unit
Sensing the earth leakage current, the unit (relay) send a signal to the
3-phase breaker to trip-off in order to shut-off The circuit to the terminals
(loads).
(Refer to section “7-3. Earth Leakage Relay and Grounding”.)
Thermal Relay
OFF position
ON position
Reset Button
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