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Lennox MMDB Service Manual

Lennox MMDB
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94
24. Pressure on Service Port
24.1. Cooling Charts
24.1.1. Cooling Mode
Table 8. Cooling Charge - Cooling Mode
Indoor Temp.
Outdoor temp.
75 85 95 105 115
()
23.89 29.44 35 40.56 46.11
PSI 70 119 113 117 125 147
PSI 75 124 120 126 132 155
PSI 80 135 129 132 140 162
24.1.2. Pressure (PSI)
.PSI
145
58
70
75F 23.8985F 29.44
Outdoor temp.
95F 105F 115F
35
40.56
46.11
174
24.2. Heating Chart
24.2.1. Heating Mode
Table 9. Heating Charge - Heat Mode
Indoor Temp.
Outdoor temp.
57 47 37 27 17
()
57 (13.89) 7 (8.33) -2.78 (-2.78) (-8.33)
PSI 55 439 413 367 330 302
PSI 65 471 435 386 368 339
PSI 75 489 457 403 381 362

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Lennox MMDB Specifications

General IconGeneral
BrandLennox
ModelMMDB
CategoryAir Conditioner
LanguageEnglish

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