28
MWM-J_(ii) Performance Data
(b) Indoor Condition: 25°C DB, 16°C WB
Outdoor Condition: 40°C DB
Indoor DB˚C Indoor WB˚C
Outdoor DB, ˚C
40
TC (kW) SHC (kW) PI (kW)
16
24
10.42 10.23
4.36
25
...........................................
x
2
y
2
z
2
27 10.66 10.66 4.38
Total capacity, TC
Interpolation Method:
25º C – 24º C
=
x
2
– 10.42kW
27º C – 24º C 11.66kW – 10.42kW
x
1
= 10.50kW
Sensible capacity, SHC
Interpolation Method:
25º C – 24º C
=
y
2
– 10.23kW
27º C – 24º C 10.66kW – 10.23kW
y
2
= 10.37kW
Power Input, PI
Interpolation Method:
25º C – 24º C
=
z
2
– 4.36kW
27º C – 24º C 4.38kW – 4.36kW
z
2
= 4.37kW
Details:
1
st
Step:
To obtain the Total capacity, Sensible capacity and Power input for
(a) Indoor Condition: 25°C DB, 16°C WB
Outdoor Condition: 35°C DB
Indoor DB˚C Indoor WB˚C
Outdoor DB, ˚C
35
TC (kW) SHC (kW) PI (kW)
16
24
10.85 10.39
4.00
25
...........................................
x
1
y
1
z
1
27 11.03 11.03 4.01
Total capacity, TC
Interpolation Method:
25º C – 24º C
=
x
1
– 10.85kW
27º C – 24º C 11.03kW – 10.85kW
x
1
= 10.91kW
Sensible capacity, SHC
Interpolation Method:
25º C – 24º C
=
y
1
– 10.39kW
27º C – 24º C 11.03kW – 10.39kW
y
1
= 10.60kW
Power Input, PI
Interpolation Method:
25º C – 24º C
=
z
1
– 4.00kW
27º C – 24º C 4.01kW – 4.00kW
z
1
= 4.00kW