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Manual 2100-769A
Page
42 of 50
TABLE 12A
Heating Pressures – Full Load
Air Temperature Entering Outdoor Coil °F
Model
Return Air
Temp
(DB)
Pressure
0°F
5°F
10°F
15°F
20°F
25°F
30°F
35°F
40°F
45°F
50°F
55°F
60°F
65°F
-17.7°C -15°C -12.2°C -9.4°C -6.6°C -3.8°C -1.1°C 1.6°C 4.4°C 7.2°C
10°C 12.7°C 15.5°C 18.3°C
C36HY
70
Suction Pressure
40
45
50
56
62
69
76
84
92
100
109
118
128
138
Head Pressure
251
262
273
284
295
306
317
328
338
348
359
369
379
389
C42HY
70
Suction Pressure
40
45
50
56
62
69
76
83
91
99
108
117
127
137
Head Pressure
260
272
284
296
307
319
330
341
352
362
373
383
393
403
C48HY
70
Suction Pressure
41
46
51
56
62
68
75
82
90
98
106
115
124
134
Head Pressure
255
269
282
294
307
319
330
341
352
362
372
381
391
399
C60HY
70
Suction Pressure
39
44
50
56
62
69
76
83
90
98
106
115
124
133
Head Pressure
273
285
296
308
319
331
342
353
364
376
387
398
409
420
TABLE 12B
Heating Pressures – Part Load
Air Temperature Entering Outdoor Coil °F
Model
Return Air
Temp
(DB)
Pressure
0°F
5°F
10°F
15°F
20°F
25°F
30°F
35°F
40°F
45°F
50°F
55°F
60°F
65°F
-17.7°C -15°C -12.2°C -9.4°C -6.6°C -3.8°C -1.1°C 1.6°C 4.4°C 7.2°C
10°C 12.7°C 15.5°C 18.3°C
C36HY
70
Suction Pressure
35
42
48
56
63
71
79
88
98
107
117
128
139
151
Head Pressure
241
249
256
264
272
281
290
300
309
319
330
341
352
364
C42HY
70
Suction Pressure
35
41
48
55
63
71
80
88
98
107
117
127
138
149
Head Pressure
265
272
280
288
296
304
313
323
332
343
353
364
375
387
C48HY
70
Suction Pressure
35
41
48
55
63
71
79
88
96
106
115
125
135
145
Head Pressure
242
253
263
274
284
295
305
314
324
334
343
352
361
370
C60HY
70
Suction Pressure
37
43
49
56
63
70
78
86
94
103
113
122
132
143
Head Pressure
262
273
283
294
305
315
325
335
345
355
365
374
384
393