Page 16
Manual 2100-292
TABLE 14 – CTHAC421
Indoor Section
Return Air
Temperature
Pressure
75
80
85
90
95
100
105
110
115
FCP42
75° DB/62° WB
Low Side
68
70
72
75
77
79
81
84
86
High Side
184
199
215
231
247
263
278
294
310
80° DB/67° WB
Low Side
73
75
77
80
82
84
86
89
91
High Side
188
204
221
237
253
269
285
301
318
85° DB/72° WB
Low Side
78
81
83
86
88
90
93
95
97
High Side
194
211
228
245
262
279
296
313
330
Low side pressure ± 2 PSIG
High side pressure ± 5 PSIG
Tables are based upon rated CFM (airflow) across the evaporator coil. If there is any doubt as to correct
operation charge being in the system, the charge should be removed, system evacuated, and recharged to
serial plate instructions.
Indoor Section
Return Air
Temperature
Pressure
75
80
85
90
95
100
105
110
115
FCP48
75° DB/62° WB
Low Side
70
72
74
77
79
81
84
86
88
High Side
191
205
220
234
249
263
278
293
307
80° DB/67° WB
Low Side
75
77
79
82
84
86
89
91
93
High Side
195
210
225
240
255
270
285
300
315
85° DB/72° WB
Low Side
81
83
85
88
90
92
95
97
99
High Side
202
218
233
249
264
278
295
310
326
CEVA048
75° DB/62° WB
Low Side
63
65
67
70
70
74
76
79
81
High Side
173
189
206
222
239
256
272
289
305
80° DB/67° WB
Low Side
68
70
72
75
77
79
82
84
86
High Side
177
194
211
228
245
262
279
296
313
85° DB/72° WB
Low Side
72
75
78
80
83
86
88
91
94
High Side
183
201
219
236
254
272
289
307
325
TABLE 15 – CTHAC481
Low side pressure ± 2 PSIG
High side pressure ± 5 PSIG
Tables are based upon rated CFM (airflow) across the evaporator coil. If there is any doubt as to correct
operation charge being in the system, the charge should be removed, system evacuated, and recharged to
serial plate instructions.
