Liebert 8 Tons Condensate Pump, Humidifier Water Supply Line, Condensate pump installation

Site Preparation and Installation

Condensate Pump

The optional condensate pump kit is required when the evaporator is installed below the level of the gravity-fed drain line. Refer to the installation instructions provided with the condensate pump kit.

Figure 7 Condensate pump installation

3/8" Compression Fitting

Drain Connection

Drain Line (field supplied)

Condensate Pump

AIR INLET

Power Supply from

Electric Service Power

Block in Fan/Coil Module.

Evaporator or

Chilled Water

Unit

FRONT OF UNIT

10 9/16 " (268.3mm)

6 5/8 " Condensate (168.3mm)

21 1/2 " (546mm)

Condensate Drain

3/4" (13mm) FPT

Customer Connection

Pump

Support Bracket

3/4" (13mm) Hose Barb Supplied on Pump Tank

Flexible Rubber Tubing

Notes:
1.	3/4" (13mm) Flexible Rubber Tubing Assembly (Supplied
	with Pump Kit) must be installed on pump end.
2.	The High Water Safety Float included with pump must be
	interlocked with unit control. Wire to terminals 60 & 61 on	DPN000239_Rev0
	Evaporator terminal strip to shut down unit.

Humidifier Water Supply Line

Units supplied with the optional humidifier package have a 1/4 in. (6.4 mm) FPT connection for water inlet. Supply pressure range is 10 psig to 150 psig. Required flow rate is 1 gpm. A shut-off valve should be installed in this line to isolate the humidifier for maintenance.

NOTE

DO NOT route humidifier supply line in front of filter box access panel.

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