Toshiba RBC-DTWP101E, Руководство по установке

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Branch Kit Set 1:4
10
EN
EN
<RAV-GM224*AT8, GM280*AT8 series>
Formula for Calculating Additional Refrigerant Amount
Do not remove the refrigerant even if the additional refrigerant amount becomes minus
result as a result of calculations by the following formula and operate the air conditioner as it
is.
CAUTION
1. Be certain to write the additional refrigerant amount, pipe length (actual length), head
and other specification on the nameplate put on the outdoor unit for recording.
2. Seal the correct amount of additional refrigerant in the system.
Outdoor unit
Diameter of connecting pipe
(liquid side)
Amount of additional refrigerant
per meter (g/m)
1 2, 3 4 to 7
α β γ
GM224 Ø12.7 Ø9.5 Ø6.4 80 40 20
GM280 Ø12.7 Ø9.5 Ø9.5 80 40 40
Outdoor unit
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
GM224 α × ( 1 – 28) + β × ( 2 + 3 – 4) + γ × ( 4 + 5 + 6 + 7)
GM280
α ×
( 1 – 28) +
β ×
( 2 + 3 – 4) +
γ ×
( 4 + 5 + 6 + 7)
4 5
2
1
3
6 7
Indoor unit
Outdoor unit
Indoor unit Indoor unit
Indoor unit