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GP Series Portable Chillers Chapter 7: Appendix 50 of 64
7-6 Typical Ductwork for Air-Cooled Chillers
Fan
60 Hz Discharge
air volume
50 Hz Discharge
air volume
Model
HP kW CFM m
3
/min CFM m
3
/min
GPAC-20 0.5 0.4 4230 120 3525 100
GPAC-30 1.0 0.7 6343 180 5286 150
GPAC-40 1.0 0.7 8458 240 7048 200
GPAC-50 2.0 1.5 12687 360 10573 300
When locating your air-cooled portable chiller and designing its ductwork, note any potential high
temperature conditions when discharging into your building and any negative pressures with the building
when discharging air outside.
Notes: • Customer use of ductwork requires the high pressure fan option. • Allow 30” (77 cm) minimum
clearance around the chiller footprint to facilitate free passage of cooling air and service accessibility •
Size the ductwork for maximum capacity • Support ductwork from the building structure, not off of the
chiller • Back draft damper to outside must be closed at all times when fan/blower is not operating •