English 16
NOTE
• Where a single refrigerant facility is divided into 2 entirely indepen-
dent refrigerant systems then use the amount of refrigerant with
which each separate system is charged.
2. Calculate a room volume (ft
3
)
3. Calculate the refrigerant concentration by using the results of the
calculations in steps 1 and 2 above.
4. Deal with the situations where the result exceeds the maximum con-
centration level.
Where the installation of a facility results in a concentration in excess
of the maximum concentration level then it will be necessary to revise
the system.
Please consult your dealer.
total amount of refrigerant in the
system
≤
maximum concen-
tration level (lb./ft
3
)
volume (ft
3
) of the room in which
there is an indoor unit installed
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