Parameter Generation and Control 9354-4250, Installation And Operation Manual

Page: 5 / 90

PGC Inc. Horizontal 500-1000 CFM June 2006
Parameter Generation and Control, Inc. 5
Condensate Drain
Connect the condensate drain to an open (vented) trapped external drain. This drain is a
¾” female copper sweat connection on the rear of the conditioner.
Sump Drain
Connect the sump drain to a facilities
drain. This drain does not require a trap.
This drain connection is made to the ¾” ¼
turn ball valve, supplied on the rear of the
conditioner.
Coolant Water Supply and Return
If the refrigeration system is equipped
with a water-cooled condenser. Connect
coolant water to the condenser inlet
connection on the rear of the chamber
cabinet. Connect the coolant water return
line to the coolant water outlet connection.
Coolant flow requirements will vary based
on the operating conditions of condensing
units, as the temperature of the coolant fluid.
The following graph indicates the maximum
coolant flow requirements for the condenser.
500-1000 CFM
Maximum Condensor Water Flow Requirements
0.00
1.00
2.00
3.00
4.00
5.00
45 50 55 60 65 70 75 80 85 90 95 100 105
Entering Water Temperature (Degrees F)
Gal
lon
s
Pe
r Minut
e
Coolant Water Connections
500-1000 CFM
Coolant Water
Outlet
Coolant Water
Inlet