Export Auxiliary Power Receptacles - Miller Big Blue 450 Duo CST Owner's Manual

7-2. Export Auxiliary Power Receptacles

5
!
Use GFCI protection when operating
auxiliary equipment. If unit does not
have GFCI receptacles, use GFCI-
protected extension cord. Do not
use GFCI receptacle to power life
support equipment.
!
Unplug power cord before attempt-
ing to service accessories or tools.
1 120 V 20 A AC GFCI Receptacles
GFCI1, GFCI2
GFCI1 and GFCI2 supply 60 Hz single-
phase power at weld/power speed. See
Section 7-3 for GFCI information and for re-
setting and testing procedures.
Maximum output from these receptacles is
2.4 kVA/kW.
5
4
!
At least once a month, run engine at
weld/power speed and press Test
button to verify GFCI is working
properly. Do not perform GFCI re-
ceptacle test at idle speed or the
GFCI will be damaged and not
provide protection from electric
shock caused by a ground fault. If
LED blinks, stop using GFCI recept-
acle and have it replaced by a Fact-
ory Authorized Service Agent.
2 Earth Leakage Circuit Breaker ELCB1
ELCB1 protects 240 V AC receptacles from
overload and earth leakage fault. If circuit
breaker opens, the receptacles do not work.
Place switch in On position to reset circuit
breaker.
3 Supplementary Protectors CB4, CB5
CB4 and CB5 protects GFCI1 receptacles
from overload. If supplementary protector
1
4
opens, the receptacle does not work. Press
button to reset.
4 240V 16 A AC Receptacle RC11,
RC13
5 120V16A AC Receptacle RC10,
RC12
Receptacles supply 60 Hz single-phase
power.
Maximum combined continuous output of
all receptacles is 10 kVa/kW.
.
At least once a month, run engine at
weld/power speed and press test
button to verify ELCB1 is working
properly.
.
If a supplementary protector or circuit
breaker continues to open, contact
Factory Authorized Service Agent.
.
Generator power decreases as weld
output increases.
2
3
907 473−3B
OM-247 969 Page 35