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