Heat Controller HBH Series Installation, Operation & Maintenance Manual page 41

Heat Controller, Inc.
Unit Operating Conditions
Operating Pressure/Temperature tables include the
following notes:
• Airflow is at nominal (rated) conditions;
• Entering air is based upon 70°F [21°C] DB in heating
and 80/67°F [27/19°C] in cooling;
Table 11: HB Series Typical Unit Operating Pressures and Temperatures (60Hz - I.P. Units)
Entering Water Suction
Water Flow Pressure
Temp °F GPM/ton PSIG
1.5
20 2.25
3
1.5 122 - 125
*
2.25 116 - 119
30
3 112 - 115
1.5 128 - 134
50 2.25 122 - 131
3 119 - 129
1.5 132 - 139
70 2.25 131 - 137
3 131 - 136
1.5 137 - 144
90 2.25 135 - 142
3 135 - 141
1.5 139 - 147
100 2.25 138 - 146
3 138 - 146
1.5 144 - 153
120 2.25 143 - 153
3 143 - 152
*Based on 15% Methanol antifreeze solution
NOTE: The tables include the following notes:
• Airflow is at nominal (rated) conditions;
• Entering air is based upon 70°F [21°C] DB in heating and
80/67°F [27/19°C] in cooling;
• Subcooling is based upon head pressure at compressor
service port;
• Cooling air and water values can vary greatly with
changes in humidity level.
Table 12: Water Temperature Change Through Heat
Exchanger
Water Flow, gpm [l/m]
For Closed Loop: Ground Source or
Closed Loop Systems at 3 gpm per
ton [3.2 l/m per kW]
For Open Loop: Ground Water
Systems at 1.5 gpm per ton
[1.6 l/m per kW]
Cooling
Discharge
Pressure Superheat Subcooling
PSIG
197 - 204 13 - 16 15 - 20
177 - 184 17 - 19 15 - 18
168 - 173 19 - 21 14 - 18
240 - 252 11 - 14 13 - 16
219 - 233 12 - 17 12 - 16
209 - 224 13 - 18 11 - 15
311 - 329 9 - 12 12 - 15
287 - 306 10 - 13 10 - 12
275 - 294 10 - 13 9 - 11
400 - 420 8 - 10 13 - 16
373 - 395 9 - 11 10 - 12
359 - 383 9 - 12 9 - 11
448 - 471 8 - 9 13 - 16
420 - 445 8 - 10 11 - 13
405 - 432 8 - 10 10 - 11
549 - 583 7 - 8 15 - 17
525 - 557 7 - 8 12 - 14
511 - 543 8 - 9 11 - 13
Rise, Cooling Drop, Heating
°F, [°C] °F, [°C]
9 - 12
[5 - 6.7] [2.2 - 4.4]
20 - 26 10 - 17
[11.1 - 14.4] [5.6 - 9.4]
HBH SERIES
• Subcooling is based upon head pressure at compressor
service port;
• Cooling air and water values can vary greatly with
changes in humidity level.
Water Air Temp Suction
Temp Rise Drop °F Pressure
°F DB PSIG
60 - 63
20 - 24 22 - 23 67 - 71
13 - 16 21 - 22 71 - 75
10 - 12 21 - 22 74 - 76
20 - 22 21 - 22 97 - 102
13 - 15 21 - 22 104 - 108
10 - 11 21 - 22 107 - 122
19 - 21 20 - 21 130 - 135
13 - 14 20 - 21 139 - 144
9 -11 20 - 21 145 - 149
19 - 20 19 - 20 164 - 169
12 - 14 19 - 20 175 - 178
9 - 10 19 - 20 179 - 187
18 - 20 18 - 19
12 - 13 18 - 19
9 - 10 18 - 19
17 - 19 17 - 18
11 - 13 17 - 18
9 - 10 17 - 18
4 - 8
40
Heating
Discharge
Pressure Superheat Subcooling
PSIG
289 - 306 9 - 12 8 - 17
297 - 315 10 - 12 9 - 18
301 - 321 10 - 12 10 - 19
303 - 323 11 - 13 10 - 19
333 - 355 9 - 11 13 - 21
339 - 361 9 - 11 13 - 21
342 - 369 9 - 11 13 - 20
367 - 392 9 - 11 13 - 21
375 - 402 10 - 11 13 - 20
380 - 407 10 - 11 13 - 19
401 - 430 10 - 13 13 - 17
411 - 442 12 - 16 14 - 17
415 - 455 13 - 18 14 - 16
IOM Manual
Water
Air Temp
Temp Drop
Rise °F DB
°F
3 - 4 20 - 22
8 - 9 22 - 23
6 - 7 23 - 24
4 - 5 23 - 25
11 - 12 29 - 30
8 - 9 30 - 31
6 - 7 31 - 32
14 - 16 35 - 37
10 - 12 37 - 38
8 - 9 38 - 39
18 - 20 41 - 43
12 - 14 43 - 45
9 - 11 44 - 46