
Manual 2100-615A
Page
21 of 24
TABLE 2
COOLING PRESSURE
Air Temperature Entering Outdoor Coil °F (°C)
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
:
Return air temperature at 50% R.H.
NOTE
:
Units rated to 131
°
F (55
°
C) outdoor temperature, but higher fan speeds and automatic modulation of the
compressor due to pressure control make pressure readings above 115°F very unstable. Pressure table is
based on low speed condenser fan operation. Fan speed increases above 115°F. Check pressures on unit
at outdoor ambient below 115°F. Set thermostat at least 3° below current room temperature to ensure 100%
comp operation for purpose of pressure testing.
Model
D.B/W.B.
Pressure
75
(23.9)
80
(26.7)
85
(29.4)
90
(32.2)
95
(35.0)
100
(37.8)
105
(40.6)
110
(43.3)
115
(46.1)
120
(48.9)
125
(51.7)
131
(55.0)
W3RV
W3LV
75/62F
(23.9/16.7C)
Low Side
High Side
128
355
127
373
127
394
127
416
128
442
129
469
130
498
132
530
135
565
See
Note
80/67F
(26.7/19.4C)
Low Side
High Side
137
364
136
383
136
404
136
427
139
444
139
481
139
511
141
544
144
579
85/72F
(29.4/22.2C)
Low Side
High Side
142
377
141
396
141
418
141
442
142
469
143
498
144
529
146
563
149
599
W5RV
W5LV
75/62F
(23.9/16.7C)
Low Side
High Side
125
336
128
358
130
380
132
403
134
427
136
451
137
478
137
504
138
531
80/67F
(26.7/19.4C)
Low Side
High Side
134
345
137
367
139
390
141
413
143
438
145
463
146
490
147
517
148
545
85/72F
(29.4/22.2C)
Low Side
High Side
139
357
142
380
144
404
146
427
148
453
150
479
151
507
152
535
153
564
W6RV
W6LV
75/62F
(23.9/16.7C)
Low Side
High Side
113
344
113
361
114
381
115
404
117
430
118
459
120
490
122
526
124
564
80/67F
(26.7/19.4C)
Low Side
High Side
121
353
121
370
122
391
123
414
125
441
126
471
128
503
130
539
133
578
85/72F
(29.4/22.2C)
Low Side
High Side
125
365
125
383
126
405
127
428
129
456
130
487
132
521
135
558
138
598
Содержание W3LV2-R
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Страница 74: ...Manual 2100 479 Page 6 of 11 FIGURE 1 TYPICAL AIR CONDITIONING SYSTEM COOLING CYCLE MIS 369...
Страница 75: ...Manual 2100 479 Page 7 of 11 FIGURE 2 TYPICAL HEAT PUMP SYSTEM COOLING CYCLE MIS 368...
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