MODEL SELECTION AND CAPACITY CALCULATION3.
SELECTION PROCEDURE OF INDOOR UNIT AND 3-1.
OUTDOOR UNIT
Please select indoor units and outdoor unit and make the capacity of each indoor unit be larger
than cooling and heating load.
Conrm the design indoor and outdoor temperature condition
Calculate heat load of each room
Select indoor unit to match the heat load for each room preliminarily
Change to a larger
capacity of indoor unit
Estimated capacity of indoor unit
≥ Heat load
Calculate the estimated capacity of each indoor units (Refer to 3-2)
Find indoor unit capacity at design temperature ●
Calculate the estimated capacity ●
Compensation coefcient of pipe length (COOLING)
Compensation coefcient of pipe length and frosting/defrosting (HEATING)
Calculate the total capacity of indoor units at
the rated condition ●
the design temperature condition ●
A
YES
NO
- (02 - 06) -
MODEL
SELECTION
MODEL
SELECTION