Section 7 - Operating Auxiliary Equipment; Generator Power Receptacles - Miller Big Blue 450 Duo CST Owner's Manual

SECTION 3
SECTION 7 – OPERATING AUXILIARY EQUIPMENT

3-1. Generator Power Receptacles

7-1. Generator Power Receptacles
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.
1 240 V 50 A AC Receptacle RC11
2 120 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.
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Complete Parts List is available at www.MillerWelds.com
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OPERATING AUXILIARY EQUIPMENT Complete Parts List is available at www.MillerWelds.com
1
Test GFCI monthly. See Section 7-2
for GFCI information and for reset-
ting and testing procedures.
RC11 supplies 60 Hz single-phase power at
weld/power speed. Maximum continuous
output from RC11 is 10 kVA/kW.
3 Supplementary Protectors CB4, CB5
4 Supplementary Protector CB6
CB4 and CB5 protects GFCI receptacles
from overload. If a supplementary protector
opens, the receptacle does not work. Press
button to reset.
Supplementary protector CB6 protects re-
ceptacles and the generator winding from
overload. If CB6 opens, the receptacles do
4
3
2
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not work. Place CB6 switch in On position to
reset circuit breaker.
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If a supplementary protector continues
to open, contact Factory Authorized
Service Agent.
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Generator power decreases as weld
output increases.
Combined output of all receptacles is limited
to the 10 kVA/kW (continuous) rating of the
generator.
EXAMPLE: If 15 A is drawn from each 120 V
receptacle , only 26 A is available at the 240
V receptacle:
2 x (120 V x 15 A) + (240 V x 26 A) = 10.0
kVA/kW
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