Indoor Unit - Toshiba

Connecting pipe length and lift difference between indoor and outdoor units vs. capacity correction valueHeight of outdoor unit H (m)50403020100–10Outdoor unit (8 to 12HP)100%9998979695949392–20–30–400 10 20 30 40 50 60 70 80 90 100 110 120Pipe length (Equivalent length) L (m)hohchbl’ohaOutdoor unitL’ is the longest one of(l’o + l’a, l’o + l’b, l’o + l’c)H = ho +(Largest one of ha, hb, and hc)l’al’bl’cABCIndoor unit Correction of outdoor unit diversity120Correction (%)10080604020020 40 60 80 100 120 135Standard capacity ratioIndoor units total capacity ratio (%)*1 : Coefficient to use for correction of outdoor unit capacity when total capacity of the indoorunits are not equal to the outdoor unit capacity.3. Capacity correction in case of frost on the outdoor heat exchanger in heatingCorrect the heating capacity when frost was found on the outdoor heat exchanger.Heating capacity = Capacity after correction of outdoor unit × Correction value of capacity resulted from frost(Capacity after correction of outdoor unit : Heating capacity calculated in the above item 2.)6 Capacity correction in case of frost on the outdoor heat exchangerCapacity correction value1.00.90.8–15 –10 –5 0 5 10Outdoor air wet bulb temp. (˚C)18