37
072 Unit Operating Parameters
Dual Capacity Models
First Stage Operation
Entering Water
Temp °F
Water Flow
gpm/ton
Cooling -- No Hot Water Generation
Suction Pressure
psig
Discharge
Pressure psig
Superheat Subcooling
Water Temp Rise
°F
Air Temp Drop
°F DB
30
1.5 103 - 118 141 - 155
40 - 50 8 - 15
14 - 19 13 - 21
3.0 100 - 115 136 - 148 5 - 10 13 - 21
50
1.5 131 - 146 210 - 240
20 - 26 7 - 13
15 - 20 17 - 25
3.0 128 - 143 185 - 215 6 - 11 17 - 25
70
1.5 142 - 157 270 - 300
8 - 14 5 - 12
15 - 20 17 - 25
3.0 140 - 155 250 - 280 6 - 11 17 - 25
90
1.5 146 - 168 345 - 375
6 - 12 5 - 12
13 - 19 17 - 25
3.0 143 - 158 325 - 355 5 - 10 17 - 25
110
1.5 151 - 165 435 - 465
6 - 12 5 - 12
13 - 19 17 - 25
3.0 149 - 163 420 - 450 5 - 10 17 - 25
Entering Water
Temp °F
Water Flow
gpm/ton
Heating -- No Hot Water Generation
Suction Pressure
psig
Discharge
Pressure psig
Superheat Subcooling
Water Temp Drop
°F
Air Temp Rise
°F DB
30
1.5 76 - 86 295 - 325
6 - 12 13 - 20
5 - 9 15 - 25
3.0 80 - 90 300 - 330 2.5 - 6 16 - 26
50
1.5 105 - 120 315 - 345
7 - 13 13 - 20
5 - 9 18 - 28
3.0 110 - 125 325 - 355 3 - 7 23 - 33
70
1.5 143 - 167 360 - 390
7 - 13 13 - 20
8 - 14 27 - 39
3.0 148 - 162 365 - 395 5 - 9 29 - 41
90
1.5 180 - 200 380 - 420
8 - 14 10 - 16
9 - 14 33 - 45
3.0 190 - 205 390 - 430 7 - 11 35 - 47
110
1.5
3.0
Note: Cooling performance based on entering air temperatures of 80º F DB, 67º F WB.
Heating performance based on entering air temperature of 70º F DB.
Second Stage Operation
Entering Water
Temp °F
Water Flow
gpm/ton
Cooling -- No Hot Water Generation
Suction Pressure
psig
Discharge
Pressure psig
Superheat Subcooling
Water Temp Rise
°F
Air Temp Drop
°F DB
30
1.5 91 - 106 144 - 164
45 - 55 12 - 18
16 - 22 13 - 21
3.0 88 - 103 141 - 161 6 - 10 13 - 21
50
1.5 115 - 130 220 - 250
30 - 40 12 - 18
18 - 24 15 - 23
3.0 113 - 128 195 - 225 8 - 12 15 - 23
70
1.5 130 - 145 290 - 320
14 - 20 8 - 15
18 - 24 17 - 25
3.0 127 - 142 260 - 290 8 - 12 17 - 25
90
1.5 135 - 150 365 - 395
11 - 17 8 - 15
18 - 24 17 - 25
3.0 133 - 148 335 - 370 8 - 12 17 - 25
110
1.5 142 - 157 445 - 485
11 - 17 8 - 15
17 - 23 15 - 23
3.0 140 - 155 430 - 470 8 - 11 15 - 23
Entering Water
Temp °F
Water Flow
gpm/ton
Heating -- No Hot Water Generation
Suction Pressure
psig
Discharge
Pressure psig
Superheat Subcooling
Water Temp Drop
°F
Air Temp Rise
°F DB
30
1.5 68 - 83 305 - 340
6 - 12 18 - 24
5 - 10 17 - 26
3.0 72 - 87 315 - 350 3 - 7 18 - 28
50
1.5 98 - 113 335 - 375
8 - 14 17 - 23
7 - 11 23 - 33
3.0 103- 118 340 - 380 4 - 8 25 - 35
70
1.5 135 - 150 365 - 405
10 - 16 14 - 20
10 - 14 29 - 41
3.0 140 - 155 375 - 415 6 - 10 31 - 43
90
1.5 165 - 185 405 - 445
15 - 22 14 - 20
12 - 18 36 - 48
3.0 170- 190 415 - 455 7 - 11 38 - 50
110
1.5
3.0
Note: Cooling performance based on entering air temperatures of 80º F DB, 67º F WB. 7/24/2014
Heating performance based on entering air temperature of 70º F DB.
LX SERIES INSTALLATION MANUAL
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