Appendix 7
Heating chart (R22):
°F(°C)
ODU(DB/WB)
IDU(DB)
57/53
(13.89/11.67)
47/43
(8.33/6.11)
37/33
(2.78/0.56)
27/23
(-2.78/-5)
17/13 (-8.33/-
10.56)
0/-2
(-17/-19)
-17/-18
(-27/-28)
BAR
55(12.78) 18.9 17.8 15.8 14.3 13.0 11.6 10.3
65(18.33) 20.3 18.8 16.6 15.9 14.6 12.8 11.9
75(23.89) 21.1 19.7 17.3 16.4 15.6 13.4 12.5
PSI
55(12.78) 274 258 229 207 189 168 149
65(18.33) 294 273 241 231 212 186 172.6
75(23.89) 306 286 251 238 226 194 181
MPa
55(12.78) 1.89 1.78 1.58 1.43 1.30 1.16 1.03
65(18.33) 2.03 1.88 1.66 1.59 1.46 1.28 1.19
75(23.89) 2.11 1.97 1.73 1.64 1.56 1.34 1.25
0
0.5
1
1.5
2
2.5
55
65
75
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