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What are the graduations and max bypass of the hot gas bypass valve for the ACSC unit?

Published date: 15 January 2018

Issue:
What are the graduations and max bypass of the hot gas bypass valve?
 
Product line:
ACSC100, ACSC101
 
Environment:
InRow Cooling
 
Cause:
 
Resolution:
The hot gas bypass is controlled by and electronic stepper valve with 1596 steps. The unit capacity is modulated by both the valve and the evaporator fans, so the % open of the HGB valve will not always correspond to a fixed % of unit capacity reduction. If the evaporator fans were held at a constant speed, then the HGV open 100% results in the unit reduced to approximately 65%, valve open 50% results in approximately 70% capacity.

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