Drain line pump system – Vintage Cellars WhisperKOOL InCellar User Manual

Page 18

InC

033114

Page 16 | 1-800-343-9463

DRAIN LINE PUMP SYSTEM

THE PUMP IS NOW OPERATING

ENTIRELY WITHIN NORMAL

PARAMETERS AND IS IN NO DANGER

OF OVERHEATING OR FAILING.

NOTE: THIS APPLIES ONLY TO

INSTALLATIONS WHERE THE POINT

AT WHICH THE CONDENSATE WATER

EMERGES FROM THE DRAIN HOSE

OR PIPE IS BELOW THE DRAIN PAN IN

THE EVAPORATOR.

IF THE END OF THE PUMP

DISCHARGE HOSE OR PIPE IS ABOVE

THE LEVEL OF THE DRAIN TRAY IN

THE EVAPORATOR NO SIPHONING

CAN OCCUR AND AN ANTI-SIPHON

DEVICE IS NOT REQUIRED.

1. Drain pan fills with water which flows into reservoir. Intake hose between reservoir and pump is empty (filled with

air).

2. Raising water lifts float, activating pump, which self primes by drawing water up from reservoir. During this period

the pump is operating hot and dry and will click loudly. Once the air in the intake hose has been purged, water

entering the pump cools and lubricates it so that the clicking noise becomes a low hum. Water flows through the

pump and out of the discharge hose.

3. Water level in the reservoir has now receded enough to lower the float which deactivates the pump, however, since

an Anti-Siphon Device is included in the discharge hose, atmospheric pressure is equalized at both ends of the hose

system so the siphoning effect cannot occur and THE INTAKE HOSE REMAINS FILLED WITH WATER.

4. The drain pan again fills up with water which flows into the reservoir and activates the pump. THE INTAKE HOSE

IS ALREADY FILLED WITH WATER so no air is sucked in, and the pump is immediately cooled and lubricated. NO

CLICKING NOISE IS HEARD.

CORRECT:

Typical sequence of operation for correct Discharge Hose installation with Anti-Siphon Device

MAXIMUM 2”

AIR GAP

3/4” PVC OR

COPPER PIPE

3/4” PVC OR

COPPER PIPE

3/4” PVC OR

COPPER PIPE

3/4” PVC OR

COPPER PIPE

DRAIN PAN

PUMP

BREATHER TUBE

RESERVOIR

ATMOSPHERE

PRESSURE

ATMOSPHERE

PRESSURE

MAXIMUM 2”

MINIMUM 6”