Daikin RKS25DVMB [12/98] Capacity tables

Daikin RKS25DVMB [12/98] Capacity tables
Outdoor Units • R-410A • RKS-DVMB
Split Sky Air • Outdoor Units
406
23
4
4 Capacity tables
4 - 1 Cooling capacity tables
RKS25D-FLKS
3D048351
Cooling capacity (50 Hz, 230 V)
SYMBOLS
AFR: Air flow rate [m³/min.]
BF: Bypass factor
EWB: Entering wet bulb temp. [°CWB]
EDB: Entering dry bulb temp. [°CDB]
TC: Total capacity cooling [kW]
SHC: Sensible heat capacity [kW]
PI: Power input [kW]
NOTES
1 Ratings shown are net capacities which include a deduction for indoor
fan motor heat.
2 shows nominal (rated) capacities and power input.
3 TC, PI and SHC must be calculated by interpolation using the figures in
the above tables. (Figures out of the tables should not be used for
calculation).
4 SHC is based on each EWB and EDB.
SHC1 for any indoor dry-bulb temperatures (EDB1) shall be calculated
by the following formula.
SHC*
= correction value of SHC matched with the differential of EDB and
EDB1.
= 0.02 x AFR [m3/min.] x (1-BF) x (EDB1-EDB)
The calculation value of SHC1 = SHC + SHC*
5 Capacities are based on the folowing conditions.
Corresponding refrigerant piping length: 7.5m
Level difference: 0m
6 Air flow rate (AFR) and Bypass factor (BF) are tabulated below.
Indoor Outdoor temperature (°CDB)
EWB
(°C)
EDB
(°C)
20 25 30 32 35 40
TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI
14.0 20.0 2.52 1.77 0.59 2.44 1.73 0.66 2.33 1.67 0.71 2.28 1.65 0.74 2.21 1.61 0.77 2.10 1.55 0.83
16.0 22.0 2.68 1.76 0.60 2.56 1.71 0.66 2.44 1.65 0.72 2.40 1.63 0.74 2.33 1.59 0.77 2.21 1.54 0.83
18.0 25.0 2.79 1.83 0.61 2.68 1.78 0.66 2.56 1.72 0.72 2.51 1.70 0.74 2.44 1.67 0.78 2.33 1.62 0.84
19.0 27.0 2.85 1.91 0.61 2.73 1.86 0.66 2.62 1.81 0.72 2.57 1.79 0.75 2.50 1.76 0.78 2.38 1.71 0.84
22.0 30.0 3.02 1.84 0.61 2.91 1.79 0.67 2.79 1.75 0.73 2.74 1.73 0.75 2.67 1.70 0.79 2.56 1.66 0.84
24.0 32.0 3.14 1.79 0.62 3.02 1.74 0.67 2.90 1.70 0.73 2.86 1.68 0.75 2.79 1.66 0.79 2.67 1.62 0.85
FI
Cooling
AFR 7.6
BF 0.32
RKS-DVMB.book Page 406 Thursday, June 9, 2005 5:08 PM

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