Miller Electric AY7 User Manual
Processes
TIG (GTAW)
MIG (GMAW)
Plasma Cutting
Resistance Welding
Input Power Single-Phase
Input Voltage 115 VAC or 230 VAC, 50/60 Hz
Max. Cooling Capacity 12,000 –15,000 BTU/hr at
1.3 qt/min (1.25 L/min)
Weight 44 –115 lb (20– 52 kg)
Heavy Industrial Applications
Light/Heavy Manufacturing
Aerospace
Automotive
Tube Mills
Automation
Coolmates and Cool Runners
Coolant
Systems
Issued March 2001 • Index No. AY/7.2
Closed-loop design with radiator reduces
coolant temperatures and prevents the system
from overheating. It also recirculates the
coolant through a fan-cooled heat exchanger.
The Power of Blue®.
Miller Electric Mfg. Co.
An Illinois Tool Works Company
1635 West Spencer Street
Appleton, WI 54914 USA
Web Site
www.MillerWelds.com
International Headquarters
Phone: 920-735-4505
USA FAX: 920-735-4134
Canadian FAX: 920-735-4169
International FAX: 920-735-4125
Rustproof coolant reservoir molded of polyethylene for durability and corrosion resistance.
Positive vane-style displacement pumps
provide consistent coolant flow and pressure
rating with long pump-life expectancy.
Thermally protected 1/4 HP motor guards
against motor damage due to overheating.
Paddle wheel flow indicator visually confirms
that there is coolant flowing through the system.
Factory-preset pressure-relief valves (55 PSI)
maintain consistent pressure during operation.
Standard inlet/outlet torch fittings are
compatible with TIG and MIG torches having
standard 5/8-18 left-hand fittings.
10 ft (3 m) power cords with plugs are longer
than most power cords in the industry —
providing the extra length when required.
Compatible with Miller coolants and are ideal
for warm and cold weather conditions, while
providing HF or corrosion protection.
Coolmate 3
Coolant systems are warranted for 1 year, parts and labor.
Quick
Specs
Coolmate™3, V3, 4, Cool Runner™and Cool Runner™3X
Coolmate 4
Coolmate V3
Coolmate™3
The compact, horizontal Coolmate 3 allows
stacking or convenient mounting onto a
trailer or other equipment. It is designed for
water-cooled torches rated up to 500 amps*,
and utilizes an efficient fin-and-tube heat
exchanger. Unlike most competitive systems,
this unit is equipped with a power switch
so you can turn the unit on and off at the
front panel. The polyethylene-molded
coolant tank, fan shroud, filler spout and
lifting handles are rustproof. A “paddle
wheel” indicator makes it easy to confirm
that coolant is flowing. Filter and coolant
filling spout are conveniently located for
easy access at the front panel.
Coolmate™V3
The Coolmate V3 is designed for use with
water-cooled torches rated up to 500 amps*.
Its distinct, vertical design allows you to
mount it onto a power source running gear
or gas cylinder rack. The Coolmate V3 is
equipped with a power switch so you can
turn unit on and off at the front panel. A
“paddle wheel” indicator makes it easy to
confirm that coolant is flowing. Filter and
coolant filling spout are conveniently
located on the front panel for easy access.
Coolmate™4
The Coolmate 4 is a patented circular
design available only from Miller for use
with water-cooled torches rated up to 600
amps*. This coolant system has a constant
flow of coolant inside to keep the pump
primed and to reduce algae buildup in the
tank. The portable one-piece case is
durable rustproof polyethylene, and
features convenient carrying handle and
filler spout molded into case, and easily
accessible coolant filter.
2
Model
Coolmate 3
Coolmate 3
CE
Coolmate V3
Coolmate V3
CE
Coolmate 4
Coolmate 4
CE
Cool Runner
Cool Runner
CE
Cool Runner 3X
Cool Runner 3X
CE
Amps Input Full Load
50 Hz 60 Hz
5.9 A 4.7 A
2.5 A 3.0 A
5.9 A 4.7 A
5.9 A 4.7 A
5.9 A 4.7 A
5.9 A 4.7 A
Maximum Cooling
Capacity
14,000 BTU/hr at
1.3 qt/min (1.25 L/min)
14,000 BTU/hr at
1.3 qt/min (1.25 L/min)
15,000 BTU/hr at
1.3 qt/min (1.25 L/min)
12,000 BTU/hr at
1.3 qt/min (1.25 L/min)
14,000 BTU/hr at
1.3 qt/min (1.25 L/min)
Motor Input
Voltage 50/60 Hz
115 VAC
230 VAC
115 VAC
115 VAC
115 VAC
115 VAC
Tank
Capacity
3 gal
(11.4 L)
3 gal
(11.4 L)
4 gal
(15.0 L)
2.5 gal
(9.5 L)
3 gal
(11.4 L)
Net
Weight
39 lb
(18 kg)
50 lb
(23 kg)
44 lb
(20 kg)
115 lb
(52 kg)
92.5 lb
(42 kg)
Specifications (Subject to change without notice.)
Dimensions
H: 13-1/4 in (337 mm)
W: 12-1/4 in (311 mm)
D: 23-1/4 in (584 mm)
H: 33 in (838 mm)
W: 9-1/4 in (235 mm)
D: 9-1/4 in (235 mm)
H: 16-1/4 in (413 mm)
W: 15-1/4 in (387 mm)
D: 18-3/4 in (476 mm)
H: 15-1/2 in (394 mm)
W: 24-3/4 in (629 mm)
D: 42 in (1067 mm)
H: 11-1/4 in (286 mm)
W: 22-1/4 in (566 mm)
D: 28-1/4 in (718 mm)
Product Descriptions
*May vary with torch design and cable length.
All models are certified by Canadian Standards Association to both the Canadian and U.S. Standards.
Models with CE specifications are available and manufactured according to the Standards IEC-974-1 and EN-60974-1.
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