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Manual 2100-725C
Page
23 of 39
Model
Return Air Temp
(DB/WB)
Pressure
75
80
85
90
95
100
105
110
115
120
125
W42AC
75/62
Low Side
High Side
123
323
125
346
128
371
130
395
132
421
135
447
137
474
138
501
140
528
142
558
144
587
80/67
Low Side
High Side
132
331
134
355
137
380
139
405
141
432
144
458
146
486
148
514
150
542
152
572
154
602
85/72
Low Side
High Side
137
343
139
367
142
393
144
419
146
447
149
474
151
503
153
532
155
561
157
592
159
623
W48AC
75/62
Low Side
High Side
120
330
122
353
125
377
127
402
130
428
132
454
134
482
136
510
137
540
139
570
141
601
80/67
Low Side
High Side
128
338
131
362
134
387
136
412
139
439
141
466
143
494
145
523
147
554
149
585
151
616
85/72
Low Side
High Side
132
350
136
375
139
401
141
426
144
454
146
482
148
511
150
541
152
573
154
605
156
638
W60C
75/62
Low Side
High Side
127
344
129
362
131
380
134
401
136
421
137
444
140
467
142
492
145
518
148
545
151
573
80/67
Low Side
High Side
136
353
138
371
140
390
143
411
145
432
147
455
150
479
152
505
155
531
158
559
161
588
85/72
Low Side
High Side
141
365
143
384
145
404
148
425
150
447
152
471
155
496
157
523
160
550
164
579
167
609
W72C
75/62
Low Side
High Side
117
332
119
353
121
376
122
402
124
427
126
454
128
483
130
512
132
542
134
574
136
607
80/67
Low Side
High Side
125
340
127
362
129
386
131
412
133
438
135
466
137
495
139
525
141
556
143
589
145
623
85/72
Low Side
High Side
129
352
131
375
134
400
136
426
138
453
140
482
142
512
144
543
146
575
148
610
150
645
TABLE 5
MULTI-TEC Cooling Pressures
Air Temperature Entering Outdoor Coil °F
Low side pressure ± 4 PSIG
High side pressure ± 10 PSIG
Tables are based upon rated CFM (airflow) across the evaporator coil. If there is any doubt as to correct operating
charge being in the system, the charge should be removed and system evacuated and recharged to serial plate
charge weight.
NOTE:
Pressure table based on high speed condenser fan operation. If condensing pressures appear elevated
check condenser fan wiring. See
Condenser Fan Operation
on page 24.