Miller Electric MARKVI Welder User Manual


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Process Selector Control #042 872
Allows you to easily change weld processes
without changing cables—from MIG to TIG
or TIG to Stick. Also for use with dual wire
feeders and applications where electrical
isolation and/or polarity reversing of weld
current is required.
Stick Hook-up Kit
#173 851 50 ft (15.2 m) 2/0 cable
Includes electrode holder, weld cable
and work cable with clamp.
MIG Hook-Up Kit
#173 856 25 ft (7.6 m) 2/0 cable
Includes gas hose assembly, lugged weld
cable assembly and work cable with clamp.
HF-251D-1 High-Frequency Arc
Starter/Stabilizer #042 388
This portable 250 A, 60% duty cycle unit
adds high frequency to the welding circuit to
help start the arc when using the TIG (GTAW)
process. Operates on 115 VAC 50/60/100 Hz.
See Lit. Index No. AY/5.1.
Wire Feeders
SuitCase
™
8RC #194 938
SuitCase
™
12RC #194 940
Compact, portable, constant-speed wire
feeder with remote voltage control. For
.030–5/64 in (0.8 –2 mm) hard and flux
cored wires. Holds up to an 8 in, 14 lb (8RC)
or 12 in, 44 lb (12RC) spool of wire.
See Lit. Index No. M/6.5.
SuitCase
™
8VS Wire Feeder #194 890
SuitCase
™
X-TREME
™
12VS
Wire Feeder #195 500
Lightweight, portable, voltage-sensing
wire feeders include secondary contactor
and gas valve. Require drive roll kit.
See Lit. Index Nos. M/6.4 and M/6.41.
Remote Controls and Switches
RFCS-14 Foot Control #043 554
Heavy-duty foot current and contactor
control. Includes 20 ft (6 m) cord and
14-pin plug.
RCC-14 Remote Contactor and
Current Control #151 086
Rotary-motion fingertip control. Fastens to
TIG torch using two Velcro strips. Allows
complete current and contactor control at
operator’s fingertips. Includes 28 ft (8.5 m)
cord and plug.
RCCS-14 Remote Contactor and
Current Control #043 688
Up-and-down rotary-motion fingertip
control. Great for applications that require
a finer amperage control. Includes 28 ft
(8.5 m) control cord.
Genuine Miller Accessories
Performance Data (continued)
60 Hz DUTY CYCLE CHART
WELD AMPS
% DUTY CYCLE
80 90 100
Total Machine Output
750 A at 100% Duty Cycle
Each Module Output
194 A at 100% Duty Cycle
70605040302010
1000
2000
1800
1600
1200
1400
800
300
200
100
50 Hz DUTY CYCLE CHART
WELD AMPS
% DUTY CYCLE
80 90
100
Total Machine Output
750 A at 60% Duty Cycle
Each Module Output
194 A at 100% Duty Cycle
70605040302010
1000
2000
1800
1600
1200
1400
800
300
600
200
100
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