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SM Series Heat Pump
OPERATING TEMPERATURES AND
PRESSURES
COOLING
Entering
Water
Discharge
Suction
Water
flow
Pressure
Pressure
°F
GPM
(PSIG)
(PSIG)
3
183 - 223 127 - 156
30
5
155 - 190 126 - 154
7
144 - 176 125 - 153
3
209 - 255 129 - 158
40
5
180 - 220 127 - 156
7
168 - 205 127 - 155
3
238 - 290 130 - 159
50
5
207 - 253 129 - 157
7
194 - 237 128 - 157
3
269 - 329 132 - 161
60
5
237 - 290 130 - 159
7
224 - 273 130 - 159
3
303 - 371 134 - 163
70
5
270 - 330 132 - 161
7
256 - 313 131 - 160
3
341 - 417 135 - 166
80
5
307 - 375 134 - 164
7
292 - 357 133 - 163
3
382 - 467 137 - 168
90
5
347 - 424 135 - 166
7
332 - 405 135 - 165
3
424 - 518 139 - 169
100
5
390 - 476 137 - 168
7
375 - 459 137 - 167
3
469 - 573 141 - 172
110
5
435 - 532 139 - 170
7
421 - 514 139 - 170
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.
Revised 07-17
Subcooling
Superheat
Water
Air
°F
°F
Temp
Temp
Rise °F
Drop °F
18 - 49
4 - 12
15 - 39
19 - 29
13 - 33
4 - 12
9 - 24
19 - 29
10 - 26
4 - 12
7 - 17
20 - 30
17 - 46
4 - 11
14 - 38
19 - 28
12 - 32
4 - 12
9 - 24
19 - 29
9 - 25
4 - 12
6 - 17
19 - 29
22 - 32
4 - 11
19 - 28
18 - 27
15 - 24
4 - 11
11 - 17
19 - 28
12 - 19
4 - 12
8 - 12
19 - 28
21 - 31
4 - 11
18 - 27
18 - 27
14 - 22
4 - 11
11 - 17
18 - 27
11 - 18
4 - 11
8 - 12
18 - 28
19 - 29
4 - 10
18 - 27
18 - 26
13 - 21
4 - 11
11 - 16
18 - 27
10 - 17
4 - 11
8 - 12
18 - 27
18 - 28
4 - 10
17 - 26
17 - 25
12 - 20
4 - 10
11 - 16
17 - 26
9 - 17
4 - 11
8 - 11
18 - 26
17 - 26
4 - 10
17 - 25
17 - 25
11 - 19
4 - 10
10 - 15
17 - 26
8 - 16
4 - 10
7 - 11
17 - 26
15 - 24
4 - 10
17 - 25
16 - 24
10 - 18
4 - 10
10 - 15
17 - 25
8 - 15
4 - 10
7 - 11
17 - 25
14 - 22
3 - 9
16 - 24
16 - 24
9 - 16
4 - 9
10 - 15
16 - 24
7 - 14
4 - 9
7 - 10
16 - 24
HEATING
Entering
Water
Discharge
Suction
Water
flow
Pressure
Pressure
°F
GPM
(PSIG)
(PSIG)
3
234 - 286
48 - 59
20
5
238 - 291
52 - 64
7
240 - 293
54 - 66
3
244 - 298
59 - 72
30
5
249 - 305
64 - 79
7
251 - 307
67 - 82
3
255 - 312
71 - 87
40
5
262 - 320
78 - 95
7
265 - 324
81 - 99
3
267 - 327
84 - 103
50
5
276 - 337
93 - 114
7
280 - 342
97 - 119
3
281 - 343
99 - 121
60
5
291 - 355 109 - 134
7
296 - 362 115 - 141
3
296 - 361 115 - 140
70
5
304 - 371 128 - 156
7
309 - 378 135 - 165
3
307 - 375 132 - 161
80
5
319 - 390 148 - 181
7
325 - 397 157 - 192
3
321 - 392 151 - 184
90
5
335 - 409 171 - 209
7
342 - 418 182 - 222
3
335 - 410 171 - 209
100
5
352 - 430 196 - 239
7
360 - 440 208 - 255
Troubleshooting | 41
Subcooling
Superheat
Water
Air
°F
°F
Temp
Temp
Drop °F
Rise °F
3 - 9
9 - 24
6 - 9
13 - 19
1 - 6
8 - 23
4 - 6
14 - 20
1 - 6
8 - 22
3 - 4
14 - 21
4 - 10
8 - 21
7 - 11
15 - 22
2 - 7
8 - 20
5 - 7
15 - 23
1 - 6
7 - 20
3 - 5
16 - 24
5 - 12
7 - 19
8 - 12
17 - 25
3 - 8
7 - 18
5 - 8
18 - 26
1 - 6
7 - 18
4 - 6
18 - 27
7 - 13
7 - 17
9 - 14
19 - 28
3 - 9
6 - 16
6 - 9
20 - 30
2 - 7
6 - 16
5 - 7
21 - 31
8 - 15
6 - 16
11 - 16
21 - 31
4 - 10
6 - 15
7 - 11
22 - 33
2 - 8
6 - 15
5 - 8
23 - 35
9 - 17
6 - 15
12 - 18
23 - 34
5 - 12
5 - 15
8 - 12
25 - 37
3 - 9
5 - 14
6 - 9
26 - 39
11 - 19
5 - 14
14 - 21
25 - 38
6 - 13
5 - 14
9 - 14
27 - 41
4 - 10
5 - 13
7 - 10
28 - 43
12 - 21
5 - 14
15 - 23
28 - 42
7 - 14
5 - 13
10 - 15
30 - 45
5 - 11
5 - 13
8 - 11
31 - 47
14 - 23
5 - 13
17 - 25
30 - 45
8 - 15
5 - 13
11 - 17
33 - 49
6 - 12
5 - 12
8 - 12
34 - 51
8733942411 (2017/06)
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