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Maintenance l 5-9
Checking Reservoir Level
WARNING: Electrical Hazard
Before performing any work on the chiller, disconnect and lock out electrical
power sources to prevent injury from unexpected energization or startup. Be
sure that power to the chiller is OFF when doing any maintenance on the
chiller. Follow all safety rules when performing any maintenance on this
equipment.
Check the coolant level in the reservoir. The coolant level in the sight glass on the
back of the chiller should be 7/8 full.
To manually fill the reservoir:
1 Disconnect and lockout power to the chiller.
2 Locate the Fill/Drain valve on the back of the chiller. Open the Fill/Drain valve
or coolant 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.
3 Refill the reservoir. Monitor the level using the water level indicator on the back
of the chiller, ensuring you are adding the correct fluid for your application.
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.
Fill/drain port
Water level gauge
5
Maintenance