Daikin FTV-A Series Engineering Data page 46

Capacity Tables
(b) Indoor Condition: 25°C DB, 19°C WB
Outdoor Condition: 35°C DB
EWB EDB
24
19 25
27
Repeat the same process for (c) & (d) in 1
(c) x = 1.69 kW; y = 1.63 kW; z
3 3
2 Step:
nd
To obtain the TC, SC & PI for
(a) Indoor Condition: 25°C DB, 17°C WB
Outdoor Condition: 35°C DB
EWB EDB
16
17 25
19
Repeat the same process for (b) in 2
(c) x = 1.74 kW; y = 1.52 kW; z
6 6
3 Step:
rd
To obtain the TC, SC & PI for
(a) Indoor Condition: 25°C DB, 17°C WB
Outdoor Condition: 37°C DB
EWB EDB
25 17
By Interpolation Method
37°C – 35°C
⇒
=
40°C – 35°C 1.74kW – 1.87kW
⇒ x = 1.82kW
44
Outdoor temperature
35°C
TC SC PI
1.99 1.32 0.64
x y z
2 2 2
1.99 1.53 0.64
Step
st
= 0.68 kW
3
Outdoor temperature
35°C
TC SC PI
1.81 1.75 0.63
x y z
5 5 5
1.99 1.39 0.64
Step
nd
= 0.68 kW
6
Outdoor temperature
35°C
TC SC PI
1.87 1.63 0.63
x – 1.87kW
By Interpolation Method
25°C – 24°C
⇒
27°C – 24°C
⇒ x = 1.99kW
2
Similarly,
y = 1.39kW
2
z = 0.64kW
2
(d) x = 1.83 W; y
4
By Interpolation Method
17°C – 16°C
⇒
19°C – 16°C
⇒ x = 1.87kW
5
Similarly,
y = 1.63kW
5
z =0.63kW
5
37°C
TC SC PI
x y z
Similarly,
y = 1.59kW
z = 0.65kW
x – 1.99kW
2
=
1.99kW – 1.99kW
= 1.30 kW; z
4 4
x – 1.81kW
5
=
1.99kW – 1.81kW
40°C
TC SC PI
1.74 1.52 0.68
= 0.69 kW