Complete Parts List available at www.MillerWelds.com
OM-279640 Page 53
SECTION 7 − OPERATING AUXILIARY EQUIPMENT
7-1. North American Auxiliary Power Receptacles
271 858-B
Single-Phase Generator Power
! Use GFCI protection when operat-
ing auxiliary equipment. If unit
does not have GFCI receptacles,
use GFCI-protected extension
cord. Do not use GFCI receptacles
to power life support equipment.
! Unplug power cord before attempt-
ing to service accessories or tools.
1 120 V 20 A AC GFCI
Receptacle GFCI1 Or GFCI2
! Test GFCI monthly. See Section 7-2
for GFCI information and for reset-
ting and testing procedures.
2 240 V 30 A AC Twistlock
Receptacle RC1 or RC2
Receptacles supply 60 Hz single-phase
power at weld/power speed.
3 Supplementary Protector CB6
4 Supplementary Protector CB7
5 Supplementary Protector CB8
CB6 protects RC1 and RC2, and the gen-
erator winding from overload. If CB6
opens, RC1, RC2, GFCI1 and GFCI2 do
not work. Place switch in On position to re-
set.
CB7 protects GFCI1 from overload. If CB7
opens, GFCI1 does not work. Press but-
ton to reset.
CB8 protects GFCI2 from overload. If CB8
opens, GFCI2 does not work. Press but-
ton to reset.
If a supplementary protector contin-
ues to open, contact Factory Autho-
rized Service Agent.
Generator power is not affected by
weld output.
Maximum output is 2.4 kVA/kW from
GFCI1 and 4 kVA/kW from RC1. Maxi-
mum output from all receptacles is 4 kVA/
kW.
EXAMPLE: If 13 A is drawn from RC1, only
7 A is available at GFCI1:
(240 V x 13 A) + (120 V x 7 A) =
4.0 kVA/kW
6 120/240 V 50 A Receptacle RC5
RC5 is connected to the three-phase gen-
erator and supplies 60 Hz single-phase
power at weld/power speed. Maximum
output from RC5 is 12 kVA/kW. Power
available at RC5 is reduced when welding.
Three-Phase Generator Power
7 240 V 50 A Three-Phase Receptacle
RC4
RC4 is connected to the three-phase gen-
erator and supplies 60 Hz three-phase
power at weld/power speed. Maximum
output from RC4 is 20 kVA/kW. Power
available at RC4 is reduced when welding.
8 Supplementary Protector CB1
Supplementary protector CB1 protects
three-phase receptacle RC4,
single-phase receptacle RC5, and the
load wires from overload. If CB1 opens, all
generator output stops and the recept-
acles do not work.
6
7
3
21
8 45
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