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48 | Troubleshooting
Entering
Water
Discharge
Water
flow
Pressure
°F
GPM
(PSIG)
7
162 - 166 134 - 140
30
12
140 - 143 132 - 138
15
135 - 137 132 - 137
7
171 - 209 125 - 153
40
12
150 - 183 123 - 151
15
144 - 176 123 - 150
7
198 - 242 127 - 155
50
12
176 - 215 125 - 153
15
169 - 207 125 - 153
7
228 - 278 129 - 158
60
12
204 - 249 127 - 156
15
197 - 241 127 - 155
7
259 - 317 131 - 160
70
12
235 - 287 129 - 158
15
229 - 279 129 - 158
7
295 - 360 133 - 162
80
12
270 - 330 132 - 161
15
263 - 321 131 - 160
7
333 - 407 135 - 165
90
12
308 - 377 134 - 163
15
301 - 368 133 - 163
7
373 - 456 137 - 167
100
12
349 - 427 136 - 166
15
343 - 419 135 - 166
7
417 - 509 139 - 170
110
12
394 - 482 138 - 169
15
388 - 474 138 - 168
This chart shows approximate temperatures and pressures for a unit in good normal operation. The values shown are meant as
a guide only and should not be used to estimate system charge. This chart assumes rated air flow and 80º D.B/67º W.B. Entering
air temperature in cooling, 70º D.B entering air temperature in heating. Heating data at entering fluid temperatures below 50º
assumes the use of antifreeze. As a result of continuing research and development, specifications are subject to change without
notice.
8733942411 (2017/07)
COOLING
Suction
Subcooling
Superheat
Water
Pressure
°F
°F
Temp
(PSIG)
Rise °F
21 - 23
8 - 10
18 - 22
13 - 15
8 - 9
11 - 13
11 - 13
8 - 9
9 - 11
12 - 33
5 - 15
12 - 31
8 - 21
5 - 14
7 - 19
6 - 17
5 - 14
6 - 15
15 - 24
6 - 15
15 - 23
9 - 17
5 - 14
9 - 13
8 - 15
5 - 14
7 - 11
14 - 23
6 - 15
14 - 22
9 - 16
6 - 15
9 - 13
7 - 14
6 - 15
7 - 11
13 - 21
6 - 15
14 - 21
8 - 15
6 - 15
8 - 13
6 - 13
6 - 15
7 - 10
12 - 20
6 - 16
14 - 20
7 - 14
6 - 16
8 - 12
6 - 12
6 - 16
7 - 10
11 - 18
6 - 16
13 - 20
6 - 13
6 - 16
8 - 12
5 - 11
6 - 16
6 - 9
9 - 16
6 - 17
13 - 19
5 - 12
6 - 17
8 - 11
4 - 10
6 - 17
6 - 9
8 - 15
7 - 18
12 - 19
4 - 11
7 - 17
7 - 11
3 - 9
6 - 17
6 - 9
Subject to change without prior notice
Air Temp
Entering
Water
Discharge
Drop °F
Water
flow
Pressure
°F
GPM
(PSIG)
23 - 28
7
246 - 300
20
24 - 29
12
250 - 306
24 - 29
15
251 - 307
20 - 30
7
258 - 316
30
20 - 31
12
264 - 323 83 - 102
21 - 31
15
266 - 325 85 - 104
20 - 29
7
273 - 333 92 - 113
40
20 - 30
12
280 - 342 99 - 121
20 - 30
15
282 - 345 102 - 125
19 - 28
7
287 - 350 108 - 132
50
19 - 29
12
295 - 360 117 - 143
20 - 29
15
297 - 364 120 - 147
18 - 27
7
301 - 368 125 - 153
60
19 - 28
12
311 - 380 137 - 168
19 - 28
15
314 - 384 141 - 173
18 - 27
7
317 - 387 144 - 176
70
18 - 27
12
328 - 401 159 - 195
18 - 28
15
332 - 406 164 - 201
17 - 26
7
333 - 407 166 - 202
80
18 - 27
12
346 - 423 184 - 225
18 - 27
15
351 - 429 190 - 233
17 - 25
7
350 - 428 189 - 231
90
17 - 26
12
366 - 447 211 - 258
17 - 26
15
370 - 453 219 - 267
16 - 24
7
368 - 449 214 - 262
100
17 - 25
12
386 - 471 241 - 295
17 - 25
15
391 - 478 250 - 306
SM Series Heat Pump
HEATING
Suction
Subcooling
Superheat °F Water
Pressure
°F
Temp
(PSIG)
Drop °F
64 - 79
7 - 14
7 - 20
5 - 8 16 - 23
69 - 84
5 - 12
7 - 19
3 - 5 16 - 24
71 - 86
5 - 11
7 - 18
3 - 4 17 - 25
77 - 95
8 - 15
7 - 17
6 - 10 18 - 27
6 - 12
6 - 17
4 - 6 19 - 28
5 - 12
6 - 17
3 - 5 19 - 29
9 - 16
6 - 16
8 - 12 20 - 30
6 - 13
6 - 15
5 - 7 21 - 32
6 - 12
6 - 15
4 - 6 22 - 33
10 - 18
6 - 15
9 - 13 23 - 34
7 - 14
5 - 14
6 - 8 24 - 36
6 - 13
5 - 14
4 - 7 25 - 37
11 - 19
5 - 14
10 - 15 25 - 38
8 - 15
5 - 13
6 - 9 27 - 41
7 - 14
5 - 13
5 - 8 28 - 41
12 - 21
5 - 13
11 - 17 28 - 42
9 - 16
5 - 12
7 - 11 30 - 45
8 - 15
5 - 12
6 - 9 31 - 46
14 - 22
5 - 12
13 - 19 31 - 46
10 - 17
5 - 12
8 - 12 33 - 50
8 - 15
4 - 12
7 - 10 34 - 51
15 - 24
4 - 12
14 - 21 34 - 50
10 - 18
4 - 12
9 - 13 36 - 54
9 - 16
4 - 12
7 - 11 37 - 55
16 - 26
4 - 12
15 - 23 36 - 54
11 - 19
4 - 11
10 - 15 39 - 59
10 - 17
4 - 11
8 - 12 40 - 60
SM Series Heat Pump
Air
Temp
Rise °F
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