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EXCEL HR OPERATOR MANUAL
D1796, REV. D, 12/16
Filling the Coolant Reservoir
The system requires clean de-ionized or distilled water. Systems are delivered without any water in them
and must be filled with distilled water upon installation. Occasionally, distilled water may need to be
added to “top off” the system reservoir.
Permanent damage to internal components will occur if improper
coolant is used. One gallon of distilled water is shipped with every
system. Under no circumstances should ethylene glycol, tap water
or any liquid other than de-ionized or distilled water be used.
To completely fill the coolant reservoir in the system:
1.
Turn off the system.
2.
Open the reservoir door on the front of the system, and remove the reservoir fill cap.
Reservoir door
Reservoir fill cap
3.
Carefully add water to the reservoir; do not overfill. Use only clean, unused distilled/de-
ionized water.
4.
Turn the system keyswitch to the
(start) position and release to the
l
(on) position. This
engages the water pump, allowing the coolant to be drawn into the cooling system.
5. Allow the system to run for 5 to 10 seconds.
6.
Turn the keyswitch to the
O
(off) position.
7.
Carefully top off the reservoir.
8.
Repeat steps 4 thru 7 until the reservoir is full.
CAUTION
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