Lennox CBX40UHV Series Unit Information

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CBX40UHV
CBX40UHV-030 BLOWER PERFORMANCE  0 through 0.80 in. w.g. External Static Pressure Range
ADJUST JUMPER SETTING
AHC JUMPER SPEED POSITIONS
HEAT SPEED COOL SPEED
1 2 3 4 1 2 3 4
CFM CFM CFM CFM CFM CFM CFM CFM
+ 800 935 1070 1210 660 880 1100 1320
NORM 725 850 975 1100 600 800 1000 1200
– 655 765 880 990 540 720 900 1080
NOTES 
The effect of static pressure, filter and electric heater resistance is included in the air volumes listed.
First stage cooling air volume is 70% of COOL speed setting. .
Continuous blower speeds are adjustable to 28%, 38%, 70% and 100% of COOL speed setting (default setting is 38%).
Lennox Harmony IIIt Zone Control applications  minimum blower speed is 250 cfm.
CBX40UHV-030 BLOWER MOTOR WATTS AT +" (Plus) AHC SETTING (Adjust Jumper at +" Setting)
AHC JUMPER SPEED
POSITIONS
MOTOR WATTS @ VARIOUS EXTERNAL STATIC PRESSURES − IN. WG.
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
HEAT SPEED
TAP 1 66 87 114 134 162 185 214 239 268
TAP 2 101 124 151 175 192 224 243 273 325
TAP 3 134 171 188 212 243 273 296 329 366
TAP 4 182 211 245 285 319 353 375 405 444
COOL SPEED
TAP 1 47 63 82 101 121 151 175 193 206
TAP 2 83 107 131 152 178 202 231 265 296
TAP 3 142 170 196 220 251 282 315 345 367
TAP 4 209 258 295 345 373 418 452 482 512
CBX40UHV-030 BLOWER MOTOR WATTS AT NORM" AHC SETTING (Adjust Jumper at NORM Setting)
AHC JUMPER SPEED
POSITIONS
MOTOR WATTS @ VARIOUS EXTERNAL STATIC PRESSURES − IN. WG.
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
HEAT SPEED
TAP 1 57 77 94 115 146 172 195 219 232
TAP 2 79 104 123 149 168 196 231 264 294
TAP 3 111 139 164 186 209 233 261 298 334
TAP 4 148 178 199 231 260 293 314 355 382
COOL SPEED
TAP 1 38 53 68 94 113 127 149 169 185
TAP 2 67 84 105 131 152 178 207 240 257
TAP 3 110 141 164 188 213 240 266 292 330
TAP 4 168 197 226 260 302 338 366 400 434
CBX40UHV-030 BLOWER MOTOR WATTS AT −" (Minus) AHC SETTING (Adjust Jumper at −" Setting)
AHC JUMPER SPEED
POSITIONS
MOTOR WATTS @ VARIOUS EXTERNAL STATIC PRESSURES − IN. WG.
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
HEAT SPEED
TAP 1 48 66 83 107 127 149 171 199 217
TAP 2 63 80 103 125 145 178 200 229 246
TAP 3 86 113 135 155 179 203 244 270 305
TAP 4 109 144 165 191 212 240 264 296 338
COOL SPEED
TAP 1 32 47 60 86 101 113 134 151 168
TAP 2 54 70 88 107 132 157 188 210 225
TAP 3 87 114 137 159 183 206 232 267 302
TAP 4 130 165 184 207 245 270 300 326 363
CBX40UHV-036 BLOWER PERFORMANCE  0 through 0.80 in. w.g. External Static Pressure Range
ADJUST JUMPER SETTING
AHC JUMPER SPEED POSITIONS
HEAT SPEED COOL SPEED
1 2 3 4 1 2 3 4
CFM CFM CFM CFM CFM CFM CFM CFM
+ 1230 1335 1445 1545 1090 1225 1380 1545
NORM 1120 1215 1315 1400 975 1125 1275 1400
– 1010 1185 1200 1265 900 1000 1135 1265
NOTES 

Lennox CBX40UHV Series Specifications

General

Brand	Lennox
Model	CBX40UHV Series
Category	Air Handlers
Language	English