JOHNSON CONTROLS
FORM 150.67-EG1 (219)
16
7. Determine average full load Compressor kW at 34 tons:
34 Tons
x (41.77) =41.93 Compressor kW
33.87 Tons
8. Determine E.G. GPM:
GPM =
Tons x Gal °F / min/ Ton Factor
RANGE
9. Determine Cooler Pressure Drop:
a. See Ethylene Glycol Correction Factors for 30% by weight ethylene glycol.
READ: 1.258 Pressure Drop factor
b. See page 18 at 88.7 GPM for YCAL0046
READ: 3.0 Water PD
c. Cooler Pressure Drop = 3.0 x 1.258 or 3.77 ft.
10. A YCAL0046 is suitable.
Selection Data (Cont'd)
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