Toshiba RAV-SM2244AT7, Руководство по установке

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16 EN
Digital Inverter
Adding additional refrigerant
Formula for calculating the amount of additional refrigerant
(Formula will differ depending on the diameter of the liquid connecting side pipe.)
* 1 to 7 are the lengths of the pipes shown in the figures above (unit: m).
Simultaneous twin
Simultaneous triple
Simultaneous double twin
Diameter of connecting pipe
(liquid side)
Amount of additional
refrigerant per meter
(g/m)
Amount of additional refrigerant (g) =
Amount of refrigerant added for main pipe +
amount of refrigerant added for branch piping
1 2 3
α β
Ø12.7 Ø9.5 Ø9.5 80 40
α ×
( 1 – 28) +
β ×
( 2 + 3 – 4)
Diameter of connecting pipe (liquid side)
Amount of additional
refrigerant per meter
(g/m)
Amount of additional refrigerant (g) =
Amount of refrigerant added for main pipe +
amount of refrigerant added for branch
piping
1 2 3 4
α β
Ø12.7 Ø9.5 Ø9.5 Ø9.5 80 40
α ×
( 1 – 28) +
β ×
( 2 + 3 + 4 – 6)
Outdoor
unit
Diameter of connecting pipe
(liquid side)
Amount of additional
refrigerant per meter (g/m)
Amount of additional refrigerant (g) =
Amount of refrigerant added for main pipe
+ amount of refrigerant added for first
branch amount of refrigerant
added for second branch piping
1 2, 3 4 to 7
α β γ
SM2244 Ø12.7 Ø9.5 Ø6.4 80 40 20
α ×
( 1 – 28) +
β ×
( 2 + 3 – 4) +
γ ×
( 4 + 5 + 6 + 7)
SM2804 Ø12.7 Ø9.5 Ø9.5 80 40
40
α ×
( 1 – 28) +
β ×
( 2 + 3 – 4) +
γ ×
( 4 + 5 + 6 + 7)
3 2
4
1
2 3
1
Figure of Simultaneous twin
Indoor Unit
Indoor Unit
Outdoor Unit
Indoor Unit
Indoor Unit
Outdoor Unit
Indoor Unit
Figure of Simultaneous triple
4 5
2
1
3
6 7
Figure of Simultaneous double twin
Indoor Unit
Indoor Unit
Outdoor Unit
Indoor Unit
Indoor Unit