Daikin FXL63LVE [28/56] 1 1 indoor unit selection

Daikin FXL32LVE [28/56] 1 1 indoor unit selection
6
Systems • Introduction
27
• Introduction
6 Selection procedure
6-1 Selection procedure standard System based on cooling load
6-1-1 Indoor unit selection
Enter indoor unit capacity tables at given indoor and outdoor temperature.
Select the unit that the capacity is the nearest to and higher than the given load.
NOTE
1Individual indoor unit capacity is subject to change by the combination. Actual capacity has to be calculated according to the combination by using
outdoor units capacity table.
6-1-2 Outdoor unit selection
Allowable combinations are indicated in indoor unit combination total capacity index table.
In general, oudoor units can be selected as follows though the location of the unit, zoning and usage of the rooms should be considered.
The indoor and outdoor unit combination is determined that the sum of indoor unit capacity index is nearest to and smaller than the capacity index at
100 % combination ratio of each outdoor unit. Up to 16 indoor units can be connected to one outdoor unit. It is recommended to choose a larger
outdoor unit if the installation space is large enough.
If the combination ratio is higher than 100 %, the indoor unit selection will have to be reviewed by using actual capacity of each indoor unit.
Indoor unit combination total capacity index table
Indoor unit capacity index
6-1-3 Actual performance data
Use outdoor unit capacity tables
Determine the correct table according to the outdoor unit model and combination ratio.
Enter the table at given indoor and outdoor temperature and find the outdoor capacity and power input. The individual indoor unit capacity (power
input) can be calculated as follows :
ICA =
OCA x INX
TNX
ICA : Individual indoor unit capacity (power input)
OCA : Outdoor unit capacity (power input)
INX : Individual indoor unit capacity index
TNX : Total capacity index
Then, correct the indoor unit capacity according to the piping length.
If the corrected capacity is smaller than the load, the size of indoor unit has to be increased. Repeat the same selection procedure.
Outdoor unit
Indoor unit combination ratio
130 % 120 % 110 % 100 % 90 % 80 % 70% 60 % 50 %
RSX(Y)P5K/L 162.5 150 137.5 125 112.5 100 87.5 75 62.5
RSX(Y)P8K/L / RSEYP8K 260 240 220 200 180 160 140 120 100
RSX(Y)10K/L RSEY10K 325 300 275 250 225 200 175 150 125
Model 20 25 32 40 50 63 71 80 100 125 200 250
Capacity index 20 25 31.25 40 50 62.5 71 80 100 125 200 250

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