Complete Parts List available at www.MillerWelds.com
OM-247969 Page 35
SECTION 7
−
OPERATING AUXILIARY EQUIPMENT
7-1. Export Auxiliary Power Receptacles
907 473
−
3B
!
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.
Maximum output from these receptacles is
2.4 kVA/kW.
!
Test GFCI monthly. See Section 7-2
for GFCI information and for reset-
ting and testing procedures.
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
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.
4
2
1
4
5
5
3
Summary of Contents for Big Blue 450X Duo CST
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