8
DATA
4
4-1. PERFORMANCE DATA
1) COOLING CAPACITY
MS24WN MU24WN
Model
Refrigerant piping length
(
one way
)
1.0
25ft. (std.)
0.954
40ft.
0.923
50ft.
MS24WN
2) COOLING CAPACITY CORRECTIONS
Model
Indoor air
Outdoor intake air DB temperature
(
˚F
)
71
67
63
TC
27.9
26.4
24.9
SHC
13.9
16.7
19.0
TPC
1.93
1.82
1.74
TC
26.1
24.6
23.0
SHC
13.0
15.5
17.6
TPC
2.12
2.01
1.92
TC
24.5
22.8
21.4
SHC
12.2
14.4
16.4
TPC
2.28
2.17
2.07
TC
22.8
21.2
19.5
SHC
11.3
13.4
14.9
TPC
2.40
2.30
2.21
TC
21.0
19.5
17.8
SHC
10.4
12.3
13.6
TPC
2.50
2.41
2.30
IWB
(
˚F
)
75
85 95
105
115
MS24WN
(208V/ 230V)
Notes 1. IWB : Intake air wet-bulb temperature.
TC : Total Capacity (x10
3
Btu/h), SHC : Sensible Heat Capacity (x10
3
Btu/h)
TPC : Total Power Consumption (kW)
2. SHC is based on 80˚F of indoor intake air DB temperature.
4-2. PERFORMANCE CURVE
MS24WN
MU24WN
16
18
20
22
24
26
28
30
65 70 75 80 85 90 95 100 105 110 115
1.4
1.6
1.8
2.0
2.2
2.4
2.6
71
67
63
71
67
63
Total power consumption (kW) Total capacity ( ✕10 Btu/h)
Outdoor intake air DB temperature (°F)
Indoor intake air WB temperature (°F)
Indoor intake air WB temperature (
°F)
Cooling
SHF at rating condition = 0.63
= 487CFM
= 0.16
Airflow
Bypass Factor
208V/230V
208V/230V
OB311--1.qxp 04.1.13 9:53 AM Page 8