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HP QuarterHorse Series 0.25 hp Portable Chiller PS-025 User Manual

Page 13

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PS QuarterHorse Series Chillers

Page 13

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If you want to use straight water, contact Application Engineering’s,

Engineering Department.

;

The 1 gallon (3.8 liter) reservoir is not designed to withstand water pressure

above 5 psi (34 kPa).

;

The fill opening and vent line must be vented to the atmosphere for proper

operation.

Properly Venting and Filling the Reservoir Tank
To properly vent and fill the tank:

• Remove the side panel, then remove the bushing installed on the top of the

tank.

• Install a pipe nipple and tee to the ¾” coupling on top of the tank.
• Use one side of the tee for the vent line and the other side for the fill line.
• Fill the tank.
• Remove the fittings and re-install the bushing
• Extend the vent line from the tank to a proper drain.
• Re-install the side panel.

Figure 3

Ethylene Glycol Curve

Ethylene glycol required

Normal operating range is between 30°F and 70°F

for evaporator freeze protection

Chilled water

operating temperature °F

(set point)

10%

20%

30%

Ethylene

glycol

percent

by

volume

0%

30º

40º

50º

60º

70º