Miller Electric Big Blue 400 PX Welding System User Manual


 
OM-229 979 Page 31
SECTION 7 OPERATING AUXILIARY EQUIPMENT
7-1. 110 Volt Receptacles
Ref. 229 747-A
1 110 V 32 A AC Receptacle RC11
2 110 V 16A AC Receptacle RC12
3 110 V 16 A AC Receptacle RC13
Receptacles supply 60 Hz single-phase
power.
Maximum output from RC11 is 3.5 kVA/kW.
Maximum output from RC12 or RC13 is 1.8
kVA/kW.
Maximum combined output of all recep-
tacles is 7 kVA/kW.
4 Supplementary Protector CB5
5 Supplementary Protector CB6
Supplementary protector CB5 protects re-
ceptacle RC12 from overload. CB6 pro-
tects RC13 from overload. If a supplemen-
tary protector opens, the receptacle does
not work. Place supplementary protector
switch in the On position to reset breaker.
6 Earth Leakage Circuit Breaker
ELCB 1
7 Earth Leakage Circuit Breaker
ELCB2
8 Circuit Breaker Test Button
ELCB1 protects RC12 and RC13 from
Earth leakage fault. ELCB2 protects RC11
from overload and Earth leakage fault. If ei-
ther circuit breaker opens the correspond-
ing receptacle does not work. Place circuit
breaker switch in the On position to reset
breaker.
. At least once a month, run engine at
weld/power speed and press test but-
tons to verify ELCB1 and ELCB2 are
working properly.
. If a circuit protector continues to open,
contact Factory Authorized Service
Agent.
. Generator power decreases as weld
output increases.
3 2
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