Справочник Пользователя для Toshiba RAV-SM562MUT-E

– 34 –

n

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.

Additional refrigerant amount (kg) = Main piping additional refrigerant amount (kg)

+ Branch piping additional refrigerant amount (kg)

=

α

αα

αα

 × (L – 18) + 

γγγγγ

 × (a + b – 4)

α

αα

αα

: Additional refrigerant amount per meter of actual main piping length (kg)

γγγγγ

: Additional refrigerant amount per meter of actual branch piping length (kg)

L

: Actual length of main piping (m)

a, b : Actual length of branch piping (m)

Distributor

b

Branch pipe

a

Branch pipe

H

L

Main pipe

∆

h

18 m

2 m

α

αα

αα

βββββ

γγγγγ

0.040

—

0.020

Ø9.5

Ø6.4

Ø6.4

1. Be certain to wire 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.