Lennox CBX40UHV Series

Page 3
CBX40UHV
BLOWER DATA
CBX40UHV024 BLOWER PERFORMANCE
0 through 0.80 in. W.g. External Static Pressure Range
“AJUST”
Jumper Setting
Jumper Speed Positions
“HEAT” Speed “COOL” Speed
1
cfm
2
cfm
3
cfm
4
cfm
1
cfm
2
cfm
3
cfm
4
cfm
+
715 855 1000 1130 465 690 900 1050
NORM
670 770 900 1035 425 620 825 950
-
580 700 800 930 385 560 735 850
NOTES:
S The effect of static pressure, filter and electric heater resistance is included in the air volumes listed.
S First stage cooling air volume is 70% of COOL speed settings. Continuous fan speed is approximately 28%, 38%, 70% and 100% (Jumper
selectable) of the same secondstage COOL speed selected, minimum 250 cfm.
S Lennox Harmony III™ Zone Control applications - minimum blower speed if 250 cfm.
CBX40UHV‐024 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 53 68 89 113 143 163 191 214 232
TAP 2 73 93 122 141 170 200 234 260 282
TAP 3 105 141 168 179 217 248 275 306 348
TAP 4 132 159 189 218 248 285 313 349 393
COOL SPEED
TAP 1 25 35 56 73 89 98 114 130 143
TAP 2 45 64 79 101 130 151 180 211 216
TAP 3 75 103 127 146 177 210 243 266 298
TAP 4 114 142 175 200 219 258 280 332 363
CBX40UHV‐024 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 48 64 79 103 128 156 182 196 207
TAP 2 61 80 98 123 149 175 206 233 254
TAP 3 77 101 128 151 178 214 239 267 300
TAP 4 109 142 171 193 223 245 286 325 359
COOL SPEED
TAP 1 23 38 52 68 80 91 111 128 135
TAP 2 34 53 76 94 111 142 152 176 203
TAP 3 64 87 113 130 158 190 226 247 270
TAP 4 89 120 145 166 198 225 258 289 319
CBX40UHV‐024 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 38 56 70 94 113 130 154 176 192
TAP 2 53 68 88 110 138 163 195 207 234
TAP 3 62 84 103 125 155 186 213 246 268
TAP 4 89 116 141 165 192 220 250 278 314
COOL SPEED
TAP 1 22 33 47 61 71 83 98 110 123
TAP 2 30 46 63 86 102 118 138 162 172
TAP 3 54 71 91 116 138 171 191 221 247
TAP 4 66 86 117 138 159 195 227 253 286