Jetson FWCD Series - Multiple Chiller Array Piping

Jetson
www.JetsonHVAC.com
48
common condenser supply/return line can be used.
If the total tonnage needed is greater than 300
tons or 900 gpm, the flow from these common lines
can be split between two arrays of chillers. Array
water line sizing is based on a 3 gpm ton condenser
flow and a velocity limitation of 10 feet per second.
Figure 15 - Array Piping shows examples of
acceptable array piping configurations. For help
with determining the most effective array
configuration for your application, please contact
the factory.
Figure 15 - Array Piping
Nominal
Capacity
(tons)
Maximum
number of
units
operating on
COMMON
supply /
return line
Maximum
number of
units
operating on
SPLIT
supply /
return line*
20
10
10
30
10
10
45
8
10
55
6
10
65
5
10
75
4
8
* With split header array piping, the limitation of 10 units is
based on the controller capability, not the flow velocity limit
of 10fps.