Fujitsu AIRSTAGE V-II - Page 42

Change to a larger capacity of outdoor unit
z
Remark
B'-1 Outdoor unit model
24HP : AJ

216LALH
(AJ

108LALH + AJ

108LALH)
B'-2 Rated capacity (TC
out
)
r
kW 67.0
See 2-2
B'-3
Total rated capacity of indoor unit / Rated capacity of outdoor unit
∑(TC
in
)
r
/ (TC
out
)
r
% 99.6
(A-7) / (B'-2)
B'-4 Capacity at design temperature (TC
out
)
d
kW 72.3
See Fig.2 3)
B'-5 Compensation coefcient of pipe length 0.90
See 2-6
B'-6 Compensated capacity of outdoor unit (TC
out
)
c
kW 65.1
(B'-4) x (B'-5)
Decide system capacity
z
Remark
C'-1 System capacity kW 65.1
Smaller one of
(A-8) and (B'-6)
Calculate actual capacity of each indoor unit
z
Room 1 Room 2 Room 3 Room 4 Room 5 Room 6
Remark
Actual capacity of each indoor unit kW 12.2 12.2 12.2 10.9 8.8 8.8
(C'-1) x (A-3) / (A-7)
Actual capacity of all indoor units is larger than cooling heat load of each room.
Since the capacities of indoor units are smaller than the cooling heat loads, change to
a larger capacity of outdoor units and calculate again.
- (02 - 10) -
MODEL SELECTION MODEL SELECTION