Hitachi UTOPIA R410A Series Technical Catalogue

4 Capacities and selection data
Correction indoor fan speed factor
TCGB0136 rev.1 - 05/2021
57
4
4.5 Correction indoor fan speed factor
4.5.1 Cooling
The tables are based on High speed of indoor fan. To calculate the cooling capacity of medium or low speed of indoor
fan, multiply cooling capacity of high speed by correction indoor fan speed factor.
Outdoor unit HP
Indoor unit fan speed 3 - 6
High 1.00
Medium 0.98
Low 0.95
4.5.2 Heating
The tables are based on High speed of indoor fan. To calculate the cooling capacity of medium or low speed of indoor
fan, multiply cooling capacity of high speed by correction indoor fan speed factor.
The tables does not include decreasing capacity by defrosting operation.
Outdoor unit HP
Indoor unit fan speed 3 - 6
High 1.00
Medium 0.98
Low 0.97
4.6 Piping length correction factor (f
LC
, f
LH
)
The correction factor is based on the equivalent piping length in meters (EL) and the height between outdoor and indoor
units in meters (H).
H: Height between indoor unit and outdoor unit (m).
• H>0: Position of outdoor unit is higher than position of indoor unit (m).
• H<0: Position of outdoor unit is lower than position of indoor unit (m).
L: Actual one-way piping length between indoor unit and outdoor unit (m).
EL: Equivalent one-way piping length between indoor unit and outdoor unit (m).
• One 90º elbow is 0.5 m.
• One 180º bend is 1.5 m.
• One Multi-kit is 0.5 m.
? NOTE
Inordertoensurecorrectunitselection,considerthefarthestindoorunit.

Hitachi UTOPIA R410A Series Specifications

General

Refrigerant	R410A
Type	Split System
Inverter Technology	Yes
Dimensions (Indoor Unit)	Varies by model
Dimensions (Outdoor Unit)	Varies by model
Cooling Capacity (specific model)	Varies by model
Heating Capacity (specific model)	Varies by model