35
048 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
1.5 111 - 125 143 - 157
32 - 43 8 - 15
14 - 19 17 - 25
3.0 108 - 122 138 - 150 5 - 10 17 - 25
50
1.5 138 - 153 210 - 240
15 - 21 5 - 12
15 - 20 17 - 25
3.0 135 - 150 185 - 215 6 - 11 17 - 25
70
1.5 142 - 157 270 - 300
10 - 16 5 - 12
15 - 20 17 - 25
3.0 140 - 155 250 - 280 6 - 11 17 - 25
90
1.5 143 - 165 350 - 380
6 - 12 5 - 12
13 - 19 17 - 25
3.0 145 - 160 330 - 360 5 - 10 17 - 25
110
1.5 154 - 169 435 - 465
8 - 13 5 - 12
13 - 19 17 - 25
3.0 153 - 167 420 - 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 77 - 87 275 - 305
6 - 12 3 - 8
5 - 9 15 - 25
3.0 81 - 91 280 - 310 2.5 - 6 16 - 26
50
1.5 105 - 120 295 - 325
7 - 13 3 - 8
5 - 9 18 - 28
3.0 110 - 125 305 - 335 3 - 7 20 - 30
70
1.5 140 - 155 330 - 360
8 - 14 3 - 8
6 - 10 24 - 36
3.0 145 - 160 335 - 365 5 - 9 26 - 38
90
1.5 173 - 188 340 - 380
14 - 20 3 - 8
9 - 14 28 - 40
3.0 178 - 193 350 - 390 6 - 10 30 - 42
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
1.5 107 - 121 168 - 188
35 - 45 12 - 18
17 - 23 17 - 25
3.0 104 - 118 148 - 168 8 - 11 17 - 25
50
1.5 127 - 141 225 - 255
20 - 26 8 - 15
18 - 24 17 - 25
3.0 125 - 139 200 - 230 9 - 12 17 - 25
70
1.5 137 - 150 297 - 327
12 - 19 8 - 15
18 - 24 17 - 25
3.0 134 - 148 267 - 297 9 - 12 17 - 25
90
1.5 142 - 156 370 - 400
10 - 16 8 - 15
18 - 24 17 - 25
3.0 140 - 154 340 - 375 9 - 12 17 - 25
110
1.5 148 - 162 445 - 485
6 - 12 8 - 15
17 - 23 17 - 25
3.0 146 - 160 430 - 470 8 - 11 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 68 - 82 280 - 310
6 - 12 6 - 12
5 - 10 15 - 25
3.0 72 - 87 290 - 320 3 - 7 16 - 26
50
1.5 95 - 110 295 - 335
7 - 13 7 - 13
7 - 11 18 - 28
3.0 100 - 115 305 - 345 4 - 8 20 - 30
70
1.5 127 - 141 325 - 365
10 - 16 3 - 8
12 - 16 24 - 36
3.0 132 - 146 335 - 375 6 - 10 26 - 38
90
1.5 159 - 179 355 - 395
15 - 22 3 - 8
12 - 18 28 - 40
3.0 164- 184 365 - 405 7 - 11 30 - 42
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