Daikin VRVIII-Q Series Installation Manual page 26

2.
Calculate the smallest room volume (m
Incase like the following, calculate the volume of (A), (B) as a sin-
gle room or as the smallest room.
A.
Where there are no smaller room divisions
B.
Where there is a room division but there is an opening
between the rooms sufficiently large to permit a free flow of
air back and forth.
1. opening between rooms
2. partition
(Where there is an opening without a door or where there are
openings above and below the door which are each equivalent in
size to 0.15% or more of the floor area.)
3.
Calculating the refrigerant density using the results of the calcu-
lations in steps 1 and 2 above.
total volume of refrigerant in the
refrigerant system
3
size (m ) of smallest room in which
there is an indoor unit installed
If the result of the above calculation exceeds the maximum con-
centration level then make similar calculations for the second then
third smallest room and so until the result falls short of the maxi-
mum concentration.
4.
Dealing with the situations where the result exceeds the maxi-
mum concentration level.
Where the installation of a facility results in a concentration in
excess of the maximum concentration level then it will be neces-
sary to revise the system. Please consult your Daikin supplier.
21
3
)
1
2
≤
maximum concen-
3
tration level (kg/m )
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