Operation
7.16 Generator Derating
76
Operator’s Manual | LTV 4L/6L | 5100065071 | 02/2023 | [en-US]
Note: The control panels on 50 Hz and 60 Hz machines have a 16A outlet
circuit breaker but do not have GFCI.
wc_gr014322
INSTRUCTIONS
MONTHLY
SEE
TEST
TEST
TEST
RESET
RESET
REPLACE GFCI
IF RED LIGHT FLASHES
Fig.45: GFCI receptacle
Testing a GFCI receptacle
Perform the manual test procedure below before each use to test a GFCI re-
ceptacle.
1. Turn the power on at the control panel.
ð A green LED power on indication light (1) illuminates on the GFCI re-
ceptacle.
2. Push the test button (2) in.
ð The reset button (3) should pop out.
ð Power to the GFCI receptacle should be off.
3. Push the reset button in.
ð A green LED power on indication light illuminates on the GFCI recep-
tacle.
In addition to the manual test shown above, the GFCI receptacle has a self-
test feature. The red LED failure indication light (4) flashes if the GFCI recep-
tacle has lost its GFCI protection. Do not use the GFCI receptacle until it is
replaced.
7.16 Generator Derating
Description
All generators are subject to derating (reduced power output) depending on
the altitude and ambient temperature. Derating should not affect the opera-
tion of the lights, although it does reduce the available reserve power to the
receptacle.
Derating percentages
Power ratings are typically reduced by the following percentages:
• 3% per 300m(1000ft) elevation above sea level
• 2% per 5.5°C(10°F) increase in ambient temperature above 25°C(78°F)
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