[Fig. 2.2.1]
[Fig. 2.3.1]
[Fig. 2.4.1]
A Outdoor unit B 1st branching
C Indoor unit D Hydro unit
E Cap F Joint
G Header branching H Refrigerant piping
I Water piping
(Unit: m)
*1 The maximum length is 90 m, depending on the unit model and installation conditions. For more detailed information, contact your local distributor.
*2 The maximum length is 60 m, depending on the unit model and installation conditions. For more detailed information, contact your local distributor.
Item Piping in the figure Max. length Max. equivalent length
Total piping length A+A'+B+C+D+E+a+b+c+d+e+f+g 1000 -
Farthest indoor unit from outdoor unit (L1) A+A'+C+D+E+g/A+B+c 165 190
Between outdoor unit and hydro unit (refrigerant pipework) A 110 -
Farthest indoor unit from hydro unit (L3) A'+C+D+E+g/A'+B+c 60 60
Height between outdoor unit and indoor unit (outdoor unit above indoor unit)
H90-
Height between outdoor unit and indoor unit (outdoor unit below indoor unit)
H' 60 -
Height between outdoor unit and hydro unit (outdoor unit above hydro unit)
H1 50 *1 -
Height between outdoor unit and hydro unit (outdoor unit below hydro unit)
H1' 40 *2 -
Height between hydro unit and indoor unit (hydro unit above indoor unit)
H2 50 -
Height between hydro unit and indoor unit (hydro unit below indoor unit)
H2' 40 -
Height between indoor units h1 30 -