Manual

44
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2 From the Performance Tables: CAPACITY: 272 TONS; KW:
306
3 First nd the water ow and pressure drop for pure water as
In the previous example
GPM = (24)(272)/10 = 653 GPM
From Fig 1, read pressure drop from mid Curve as:
Pressure drop = 85 ft of water
4 To convert performance data for pure water to data using 30%
Propylene Glycol, record the adjustment multipliers from Fig
AM-1 & Fig AM-2 on page 42:
CAPACITY factor: 097
KW factor: 0988
GPM factor: 1022 Pressure Drop factor: 120
5 Calculate chiller performance using 30% Propylene Glycol by
multiplying the chiller performance data for pure water by the
adjustment factors as follows:
CAPACITY: 272 x 097 = 2638 TONS
KW: 306 x 0988 = 3023 KW
GPM: 653 x 1022 = 6674
GPM Pressure Drop: 85 x 120 = 102 ft of water
ClimaCool Selection Procedure