Lincoln Electric IM680 Power Wave Water Cooler - Manual (Page 12)

0.25 to 0.50
inches
Figure 2. Specified coolant level.
Visible Coolant Level
Front of Power Wave Machine
Reservoir Screen
TABLE 1
COOLER ELECTRICAL HARNESS PIN-OUTS
Molex Molex Description
Connector Pin No.
large 1 Ground
large 2 Motor Common
large 3 Unused
large 4 Unused
large 5 Motor 230 VAC Functions on (PW 450 ONLY)
large 6 Motor 230 VAC Functions on (PW 455 / PW 655)
small 1 Unused
small 2 Unused
small 3 Relay coil
small 4 Relay coil
small 5 Pressure Switch - NO contact
small 6 Pressure Switch - common contact
D-2 MAINTENANCE
POWER WAVE WATER COOLER
D-2
7. Flush coolant from the system and replace with
fresh, recommended coolant at least once a year.
More frequent flushing may be necessary, depend-
ing upon a user
’ s particular system or its usage.
NOTE: Never run the pump dry. Always use a recom-
mended coolant, otherwise pump damage
may result.
8. Reinstall the cooler into the Power Wave machine.
Figure 2. Specified coolant level.
9. Prime the cooler:
a. Keep accessories ’ hose lengths horizontal,
either coiled or straight, and no higher than 4
feet of the specified coolant level (Fig. 2).
b. Switch on the Power Wave machine.
c. Turn on and hold the PRIME switch for approxi-
mately 10 seconds until the green LED “ flow
on ” lights .
10. Check coolant level. Add more if required.