Issue 3.2 8
Coolant Filling
Having ensured that the system is correctly connected, with the inlets and outlets having
the correct orientation relative to your application, all joints tight and leak free, and with
the unit isolated from the electrical supply, prepare to fill the unit with Hexid fluid.
Hexid fluids are the preferred coolant choice as they provide excellent corrosion
protection, freeze protection, algae inhibition, pump protection and good heat transfer
properties.
Caution: Always use ATC recommended fluids in your K series chiller. Never use other
anti-freeze mixtures, as they may corrode your application and will damage the K series
pump seals.
Filling procedure
1. Check all valves are open, including solenoid valves located in your application.
2. Remove the screw cap from the tank
3. Fill with Hexid to the rim of the tank neck.
4. Switch the unit on.
5. Wait while the fluid level drops in the tank.
6. Switch the unit off.
7. Repeat steps 3 to 5 until all the air has been purged from the system.
8. Top up to the rim of the tank neck to ensure the level switch is made.
9. Check the system carefully for leaks, including the inside of your application. The sys-
tem is now ready to be run.
Warning: Always isolate the chiller from the electrical supply when filling the tank.
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