Miller PU 301, Owner'S Manual, Page: 8 / 16

OM-180 231 Page 4
SECTION 3 − INSTALLATION
3-1. Connections
801 190-D / 801 191-D
! Turn off power and disconnect
cooler plug.
! Install customer supplied power
plug and receptacle according to
all national, state, and local codes
1 Lift -Eye
If placing cooling unit on welding power
source, slots are provided in bottom of
unit so it fits over lift-eye.
To prevent overheating, make sure cool-
ing unit is positioned so airflow is not re-
stricted.
NOTICE − If welding power source has
a water valve, do not connect hoses to
water valve. Connect hoses as shown.
2 Coolant Out Hose
3 Coolant In Hose
4 Coolant Tank Cap
Fill tank with coolant. Use table in Section
2-3 to select proper coolant. Keep cool-
ant level full.
5 Flow Indicator
6 Power Switch
Use switch to turn cooler on and off.
7 Input power cord.
Customer to supply and install correct in-
put power plug and matching receptacle.
Operation:
Turn power switch On. Flow indicator
spins to indicate that at least 0.53 qt/min
(0.5 L/min) of coolant is flowing.
GTAW Connections
GMAW Connections
1
Tools Needed:
5/8 in.
2
3
4
5
6
7