Bard S26H1-A Installation Instructions Manual - page 24
Manual 2100-527H
Page
24 of 29
TABLE 6A
COOLING PRESSURE TABLE
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, 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”.
Air Temperature Entering Outdoor Coil °F
TABLE 6B
HEATING PRESSURES – (ALL TEMPERATURES °F)
Model
Return Air
Temperature
Pressure
75
80
85
90
95
100
105
110
115
120
W26H1
75 deg. DB
62 deg. WB
Low SIde
High Side
131
309
132
326
133
345
135
366
136
390
137
415
138
444
139
474
141
506
142
541
80 deg. DB
67 deg. WB
Low SIde
High Side
140
317
141
334
142
354
144
375
145
400
146
426
148
455
149
486
151
519
152
555
85 deg. DB
72 deg. WB
Low SIde
High Side
145
328
146
346
147
366
149
388
150
414
151
441
153
471
154
503
156
537
157
574
W31H1
75 deg. DB
62 deg. WB
Low SIde
High Side
123
311
125
330
128
350
130
371
133
395
135
419
137
446
138
474
140
504
142
535
80 deg. DB
67 deg. WB
Low SIde
High Side
132
319
134
338
137
359
139
381
140
405
144
430
146
457
148
486
150
517
152
549
85 deg. DB
72 deg. WB
Low SIde
High Side
137
330
139
350
142
372
144
394
147
419
149
445
151
473
153
503
155
535
157
568
W38H1
75 deg. DB
62 deg. WB
Low SIde
High Side
126
313
127
330
129
348
131
370
133
394
135
420
137
449
139
482
141
516
144
553
80 deg. DB
67 deg. WB
Low SIde
High Side
135
321
136
338
138
357
140
379
140
397
144
431
146
461
149
494
151
529
154
567
85 deg. DB
72 deg. WB
Low SIde
High Side
140
332
141
350
143
369
145
392
147
418
149
446
151
477
154
511
156
548
159
587
W43H1
75 deg. DB
62 deg. WB
Low SIde
High Side
131
325
131
343
132
363
134
384
135
408
137
432
139
458
142
487
145
516
148
547
80 deg. DB
67 deg. WB
Low SIde
High Side
140
333
140
352
141
372
143
394
143
418
147
443
149
470
152
499
155
529
158
561
85 deg. DB
72 deg. WB
Low SIde
High Side
145
345
145
364
146
385
148
408
149
433
152
459
154
486
157
516
160
548
164
581
W49H1
75 deg. DB
62 deg. WB
Low SIde
High Side
128
315
129
337
130
361
131
385
132
411
134
439
136
467
137
496
140
527
143
560
80 deg. DB
67 deg. WB
Low SIde
High Side
137
323
138
346
139
370
140
395
141
430
143
450
145
479
147
509
150
541
153
574
85 deg. DB
72 deg. WB
Low SIde
High Side
142
334
143
358
144
383
145
409
146
437
148
466
150
496
152
527
155
560
158
594
W61H1
75 deg. DB
62 deg. WB
Low SIde
High Side
123
336
123
353
124
371
125
392
127
415
128
441
130
469
133
499
136
532
138
567
80 deg. DB
67 deg. WB
Low SIde
High Side
132
345
132
362
133
381
134
402
137
437
137
452
139
481
142
512
145
546
148
582
85 deg. DB
72 deg. WB
Low SIde
High Side
137
357
137
375
138
394
139
416
141
441
142
468
144
498
147
530
150
565
153
602
Model
Return Air
Temperature
Pressure
0
5
10
15
20
25
30
35
40
45
50
55
60
65
W26H1
70 Deg.
Low Side
High Side
42
279
46
285
50
292
56
299
62
308
68
317
75
327
83
338
91
350
99
362
108
376
118
390
128
405
139
420
W31H1
70 Deg.
Low Side
High Side
39
274
44
283
49
293
55
303
61
314
68
325
75
336
82
348
90
361
98
373
107
386
116
400
126
414
135
428
W38H1
70 Deg.
Low Side
High Side
25
251
34
260
43
269
52
278
60
287
68
296
75
306
82
315
90
325
96
335
103
345
109
355
115
365
120
375
W43H1
70 Deg.
Low Side
High Side
34
265
40
270
46
275
53
278
60
281
67
287
74
294
81
304
89
317
97
331
105
348
114
368
123
389
132
413
W49H1
70 Deg.
Low Side
High Side
48
283
49
293
51
303
54
313
58
323
63
334
69
345
77
356
86
368
96
380
107
392
119
405
133
418
147
431
W61H1
70 Deg.
Low Side
High Side
34
270
36
278
39
286
43
296
49
306
55
317
62
328
70
341
80
354
90
369
101
384
113
399
126
416
141
433