Figure 7 Condensate Pump Installation - Liebert 8 Tons User Manual

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
Drain Line
(field supplied)
Condensate Pump
AIR INLET
10 9/16 "
(268.3mm)
6 5/8 "
(168.3mm)
Condensate
Pump
Support Bracket
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.
3/8" Compression Fitting
Drain Connection
21 1/2 "
(546mm)
3/4" (13mm) Hose Barb
Supplied on Pump Tank
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
Evaporator terminal strip to shut down unit.
Power Supply from
Electric Service Power
Block in Fan/Coil Module.
3/4" (13mm) FPT
Customer Connection
Flexible Rubber Tubing
12
Site Preparation and Installation
Evaporator or
Chilled Water
Unit
FRONT OF UNI T
Condensate Drain
DPN000239_Rev0