Pressure On Service Port; Cooling Charts; Heating Chart - Lennox MCFA Service Manual

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24. Pressure on Service Port

24.1. Cooling Charts

24.1.1. Cooling Mode
Indoor
(
℃)
PSI
PSI
PSI
24.1.2. Pressure (PSI)
.PSI
174
145
58

24.2. Heating Chart

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

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