Toshiba SUPER MODULAR MULTI HFC R-410A - Manual (Page 22)

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Heating capacity calculation method:
Required heating capacity = heating capacity x factor (, , , , 
*1 ,  *2 ) kW
 Indoor air dry bulb temperature vs. capacity correction value
Indoor air dry bulb temperature (°C)
 Outdoor air wet bulb temperature vs. capacity correction value
 Air flow variation ratio of indoor unit vs. capacity correction (for ducted units only)
Outdoor air wet bulb temperature (°C)
Air flow variation ratio (%)
*1 Outdoor unit capacity correction factor when total capacity of the indoor units is not equal to the outdoor unit capacity.
*2 Refer to the capacity correction for frosting on the outdoor heat exchanger section on page 24.
Capacity corr
ection value
Capacity corr
ection value
Capacity corr
ection value