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3-6 l Installation
Filling the Chiller
The chiller is shipped without coolant. The chiller is manually filled during instal-
lation using water as its coolant.
For atypical process temperatures below 45°F {7.2°C}, use the table below to
determine the percentage (by volume) of glycol needed for the process tempera-
ture that is required. Mix the proper percentage of glycol with water.
To fill with water:
1 Attach the water supply to the Fill/Drain valve, located on the back of the
chiller.
2 Open the “To Process” and “From Process” valves (factory optional).
3 Open the Fill/Drain valve or water supply and fill the chiller to the 7/8 full
level on the water level gauge. If the chiller is overfilled, the excess water
spills out the vent tube. DO NOT OVERFILL.
4 Close the Fill/Drain valve.
5 Check the coolant level. When the chiller is turned on the coolant level drops
as it begins to circulate, filling the connected plumbing. Check the
coolant level on the back of the chiller. Make sure the coolant level is filled to
the 7/8 full level on the water level gauge. Shut down the chiller and add more
coolant, if needed.
6 Disconnect water hose from Fill/Drain valve, if the chiller is to be used
elsewhere.
Recommended Percentages of Glycol for
Chilled Water Freeze Protection (by volume)
Discharge water % Propylene % Water
Temperature Glycol
40°F 20 80
30°F 30 70
25°F 40 60
IMPORTANT: The chiller’s control does not monitor the percentage mixture of glycol.
IMPORTANT: Evaporator freeze-ups
are not
covered under warranty.