Pressure Chart; Table 8 Cooling Pressure - Bard WA3S3-A Installation Instructions Manual

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HIGH CAPAPACITY COOLING
Return Air Temp
Model
(DB/WB)
75˚ DB
62˚ WB
WA3S*
80˚ DB
WL3S*
67˚ WB
85˚ DB
72˚ WB
75˚ DB
62˚ WB
WA4S*
80˚ DB
WL4S*
67˚ WB
85˚ DB
72˚ WB
75˚ DB
62˚ WB
WA5S*
80˚ DB
WL5S*
67˚ WB
85˚ DB
72˚ WB
LOW CAPAPACITY COOLING
Return Air Temp
Model
(DB/WB)
75˚ DB
62˚ WB
WA3S*
80˚ DB
WL3S*
67˚ WB
85˚ DB
72˚ WB
75˚ DB
62˚ WB
WA4S*
80˚ DB
WL4S*
67˚ WB
85˚ DB
72˚ WB
75˚ DB
62˚ WB
WA5S*
80˚ DB
WL5S*
67˚ WB
85˚ DB
72˚ WB
Low side pressure ± 4 psig
High side pressure ± 10 psig
COOLING PRESSURE – (ALL TEMPERATURES °F)
AIR TEMPERATURE ENTERING OUTDOOR COIL DEGREE F
Pressure
50˚F 55˚F 60˚F 65˚F 70˚F 75˚F 80˚F 85˚F 90˚F 95˚F 100˚F 105˚F 110˚F 115˚F
Low Side
112
115
119
High Side
195
214
233
Low Side
124
127
131
High Side
201
220
239
Low Side
135
138
142
High Side
205
224
243
Low Side
117
119
121
High Side
197
216
235
Low Side
127
129
131
High Side
201
220
239
Low Side
141
143
145
High Side
203
223
243
Low Side
118
119
120
High Side
199
217
236
Low Side
129
130
131
High Side
205
224
247
Low Side
137
139
140
High Side
216
237
258
AIR TEMPERATURE ENTERING OUTDOOR COIL DEGREE F
Pressure
50˚F 55˚F 60˚F 65˚F 70˚F 75˚F 80˚F 85˚F 90˚F 95˚F 100˚F 105˚F 110˚F 115˚F
Low Side
126
127
129
High Side
181
198
215
Low Side
137
138
139
High Side
184
201
218
Low Side
153
154
155
High Side
190
207
224
Low Side
122
124
125
High Side
184
201
218
Low Side
132
134
136
High Side
185
203
221
Low Side
145
147
149
High Side
187
205
223
Low Side
123
125
127
High Side
187
207
226
Low Side
134
136
138
High Side
192
211
230
Low Side
146
148
149
High Side
200
217
235
TABLE 8
122
126
129
131
132
253
272
291
314
337
134
138
141
142
144
259
278
297
319
341
145
149
152
154
156
263
282
301
326
350
123
125
127
128
130
255
274
293
316
339
134
136
138
138
139
259
278
298
318
341
148
150
152
152
153
263
283
303
326
349
122
123
125
126
128
260
285
309
333
357
131
132
132
134
137
270
292
315
339
363
141
142
143
146
148
279
300
321
346
370
130
132
133
135
136
233
250
267
289
310
141
142
143
145
147
236
253
270
291
312
156
157
158
160
162
241
258
275
297
318
127
129
131
131
132
236
254
272
291
312
138
140
142
145
146
239
257
275
298
317
152
154
156
156
157
241
259
278
397
319
129
131
133
134
135
245
263
282
305
328
139
141
143
145
147
248
267
286
308
331
151
152
154
156
159
252
270
287
311
335
134
135
136
138
139
360
383
409
435
461
145
147
148
149
151
363
390
413
440
468
157
159
161
162
164
375
399
425
451
476
131
132
133
135
136
361
383
410
438
466
139
143
143
144
146
364
400
415
443
471
153
154
156
158
160
372
396
422
449
478
129
130
132
133
135
381
405
432
460
487
139
141
143
145
146
387
425
438
465
492
151
153
155
157
158
395
419
447
474
502
138
139
141
144
146
332
353
378
404
429
149
151
153
155
156
333
354
380
406
432
163
165
167
168
170
340
361
387
413
438
133
134
135
137
139
335
359
381
407
435
147
148
149
150
151
339
362
384
410
438
158
159
161
163
164
343
369
390
415
443
136
137
139
141
143
350
373
399
425
451
149
151
153
155
156
353
375
402
429
456
161
163
165
166
168
358
382
408
434
460
Manual 2100-526H
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