Miller Electric PipePro 304 - Manual (Page 25)

OM-492 Page 21
5-7. Selecting Weld Cable Sizes*
Weld Cable Size** and Total Cable (Copper) Length in Weld Circuit
Not Exceeding***
100 ft (30 m) or Less
150 ft
(45 m)
200 ft
(60 m)
250 ft
(70 m)
300 ft
(90 m)
350 ft
(105 m)
400 ft
(120 m)
Weld Output
Welding
Amperes
10 − 60%
Duty
Cycle
60 − 100%
Duty
Cycle
10 − 100% Duty Cycle
Weld Output
Terminals 100 4 (20) 4 (20) 4 (20) 3 (30) 2 (35) 1 (50) 1/0 (60) 1/0 (60)
! Turn off power before
connecting to weld
150 3 (30) 3 (30) 2 (35) 1 (50) 1/0 (60) 2/0 (70) 3/0 (95) 3/0 (95)
connecting to weld
output terminals. 200 3 (30) 2 (35) 1 (50) 1/0 (60) 2/0 (70) 3/0 (95) 4/0 (120) 4/0 (120)
! Do not use worn,
damaged, under-
sized, or poorly
250 2 (35) 1 (50) 1/0 (60) 2/0 (70) 3/0 (95) 4/0 (120) 2 ea. 2/0
(2x70)
2 ea. 2/0
(2x70)
sized, or poorly
spliced cables.
300 1 (50) 1/0 (60) 2/0 (70) 3/0 (95) 4/0 (120) 2 ea. 2/0
(2x70)
2 ea. 3/0
(2x95)
2 ea. 3/0
(2x95)
350 1/0 (60) 2/0 (70) 3/0 (95) 4/0 (120) 2 ea. 2/0
(2x70)
2 ea. 3/0
(2x95)
2 ea. 3/0
(2x95)
2 ea. 4/0
(2x120)
* This chart is a general guideline and may not suit all applications. If cable(s) overheat, use next size larger cable.
**Weld cable size (AWG) is based on either a 4 volts or less drop or a current density of at least 300 circular mils per ampere.
( ) = mm 2 for metric use S-0007-F
***For distances longer than those shown in this guide, call a factory applications representative at 920-735-4505.
5-8. Remote 14 Receptacle RC14 Information
.
Engine runs at weld/power speed whenever a device connected to the remote 14 receptacle is running.
Socket* Socket Information
24 VOLTS AC
A 24 volts ac. Protected by supplementary protector
CB6.
B Contact closure to A completes 24 volts ac
contactor control circuit.
A J
B
K I
L N H
115 VOLTS AC
I 115 volts ac. Protected by supplementary protec-
tor CB5.
C L N H
D M G
E F
J Contact closure to I completes 115 volts ac
contactor control circuit.
E F
C Output to remote control; 0 to +10 volts dc, +10
volts dc in MIG mode.
REMOTE
OUTPUT
D Remote control circuit common.
OUTPUT
CONTROL E 0 to +10 volts dc input command signal from
remote control.
M CC/CV select.
A/V F Current feedback; +1 volt dc per 100 amperes. A/V
AMPERAGE
VOLTAGE
H Voltage feedback; +1 volt dc per 10 output recep-
tacle volts.
802 174-G
GND
G Circuit common for 24 and 115 volts ac circuits.
GND
K Chassis common.
*The remaining sockets are not used.