29
17.1. Cooling Chart
Table 11. Cooling - Fahrenheit (Celsius)
°F(°C)
ODU(DB)
IDU(DB/WB)
0
(-17)
5
(-15)
15
(9.44)
45
(7.22)
75
(23.89)
85
(29.44)
95
(35)
105
(40.56)
115
(46.11)
120
(48.89)
PSI
70/59 (21.11/15)
93
94
106
116
119
113
117
125
147
154
75/63
(23.89/17.22)
97
99
115
125
124
120
126
132
155
162
80/67
(26.67/19.44)
103
104
123
138
135
129
132
140
162
173
90/73
(32.22/22.78)
112
113
139
152
149
138
145
154
180
189
17.2. Capacity Request Calculations
Total capacity Request=Σ(Norm code × HP) /10× modify rate+ correction.
T1 Ts
3
1
1
e
c
a
4
2
0
2
3
0
1
f
d
b
Figure 26. Cooling Mode
Capacity Area
a
b
c
d
e
f
Norm Code (N)
3
2
1.5
1
.5
0
NOTE:
The final result is integer.
Plus all the indoor capacity request together, then modify it by T4.
When there is only one indoor unit: