Note: the freezing point not shown here, please calculate according to interpolation method.
Units operating with glycol solutions are not included in the ARI Certification Program.
Altitude correction factors
Performance tables are based at sea level. Elevations other than sea level affect the performance of
the unit. The decreased air density will reduce condenser capacity and reduce the unit’s
performance. For performance at elevations other than sea level refer to below table Maximum
allowable altitude is 1800 meters.
Evaporator temperature drop factors
Performance tables are based on a 5
o
C temperature drop through the evaporator. Adjustment
factors for applications with temperature ranges from 3℃ to 6℃ in follow table. Temperature drops
outside this range can affect the control system’s capability to maintain acceptable control and are
not recommended.
Fouling Factor
C--Cooling capacity
P—Power
3).Design of the store tank in the system
a. kW is the unit for cooling capacity, L is the unit for (G) minimum water flow volume in the formula.
Comfortable type air conditioner
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