Miller Electric PipePro 304 - Manual (Page 33)

OM-492 Page 29
7-2. Optional GFCI Receptacles And Circuit Breakers
Ref. ST-207 554-A
! If unit does not have GFCI
receptacles, use GFCI-pro-
tected extension cord.
.
Generator power decreases as
weld current increases.
1 120 V 20 A AC GFCI Duplex
Receptacle GFCI-2
2 120 V 20 A AC GFCI Duplex
Receptacle GFCI-3
GFCI-2 and GFCI-3 supply 60 Hz
single-phase power at weld/power
speed. Maximum output from
GFCI-2 or GFCI-3 is 2.4 kVA/kW.
Circuit protection is the same as
standard receptacles.
If a ground fault is detected, the GFCI
Reset button pops out and the circuit
opens to disconnect the faulty equip-
ment. Check for damaged tools,
cords, plugs, etc. connected to the
receptacle. Press button to reset re-
ceptacle and resume operation.
.
At least once a month, run en-
gine at weld/power speed and
press Test button to verify GFCI
is working properly.
1 2
7-3. Wiring Instructions For Optional 240 Volt, 3-Phase Twistlock Plug (NEMA L15-30P)
Plug2 7/99 − 802 437
1 240 V AC Three-Phase, 30 A,
3P4W Twistlock Plug
2 Load 1 (Brass) Terminal (X)
3 Load 2 (Brass)Terminal (Y)
4 Load 3 (Brass) Terminal (Z)
5 Ground (Green) Terminal (G)
6 Cord Grip
Strip cord jacket back enough to sep-
arate conductors.
Strip conductors enough to make
good contact with plug terminals.
Make plug connections and reinstall
cord grip.
Tighten cord grip assembly screws.
Do not overtighten.
1
2
240V
240V
240V
Tools Needed:
6
3
4
5