Lennox G61MPV Service Manual page 6

BLOWER DATA
G61MPV−36B−071 BLOWER PERFORMANCE (less filter)
0 through 0.80 in. w.g. External Static Pressure Range
ADJUST"
Switch
Positions
+
1
NORM
ADJUST"
Switch
Positions
+
1
NORM
1
Factory default jumper setting.
N/A − First and second stage HEAT positions shown cannot be used on this model.
NOTES − The effect of static pressure is included in air volumes shown.
First stage HEAT is approximately 91% of the same second stage HEAT speed position.
First stage COOL (two−stage air conditioning units only) is approximately 70% of the same second stage COOL speed position.
Continuous Fan Only speed is approximately 38% of the same second stage COOL speed position − minimum 500 cfm.
Lennox Harmony IIIt Zone Control Applications − Minimum blower speed is 458 cfm.
G61MPV−36B−071 BLOWER MOTOR WATTS
Jumper Speed
Positions
0 0.1
+" (Plus) SETTING ( Adjust" Jumper at +" Setting)
HEAT" Tap 1 70 90
Speed
Tap 2 115 135
Tap 3 205 230
Tap 4 220 250
COOL" Tap 1 55 70
Speed
Tap 2 70 90
Tap 3 90 105
Tap 4 110 130
NORM" (Normal) SETTING ( Adjust" Jumper at NORM" Setting)
HEAT"
Tap 1 60 75
Speed
Tap 2 80 100
Tap 3 150 170
Tap 4 165 190
COOL"
Tap 1 45 60
Speed
Tap 2 60 75
Tap 3 70 85
Tap 4 80 100
−" (Minus) SETTING ( Adjust" Jumper at −" Setting)
HEAT" Tap 1 50 65
Speed
Tap 2 65 80
Tap 3 105 125
Tap 4 115 135
COOL" Tap 1 40 55
Speed
Tap 2 45 60
Tap 3 55 70
Tap 4 60 75
Second Stage HEAT" Speed − cfm
1
1 2
925 1065
840 970
775 875
First Stage HEAT" Speed − cfm
1
1 2
840 965
765 880
705 795
Motor Watts @ Various External Static Pressures − in. wg.
First Stage
0.2 0.3 0.4 0.5 0.6
110 135 160 180 195
160 185 205 230 250
265 295 325 355 380
290 325 360 390 425
90 110 130 145 165
115 135 160 180 200
130 150 170 195 220
155 180 205 230 250
95 115 135 155 175
125 150 180 200 220
200 225 250 275 300
220 250 280 310 335
80 95 115 130 150
95 115 135 155 170
105 130 150 170 190
125 150 170 195 215
85 100 120 140 155
100 120 140 165 185
150 180 205 225 245
165 190 215 240 260
70 85 100 120 135
80 100 115 135 150
90 110 130 150 165
100 120 140 165 185
Speed Switch Positions
3 4 1
1305 1345 1055
1185 1230 955
1050 1085 855
3 4 1
1190 1235 745
1070 1115 695
955 990 645
0.7 0.8 0 0.1
215 240 100 120
270 295 160 185
410 425 290 320
455 455 310 345
185 200 145 170
220 240 225 255
240 260 265 300
270 295 360 390
195 215 75 95
240 255 110 135
325 350 210 235
360 385 230 260
165 185 110 130
190 215 160 185
215 235 205 230
240 260 260 290
175 195 70 90
205 225 90 110
265 290 145 170
285 310 160 185
155 170 75 95
170 185 115 135
185 205 140 165
205 225 180 205
Page 6
Second Stage COOL" Speed − cfm
2 3
1225 1305
1100 1185
975 1040
First Stage COOL" Speed − cfm
2 3
835 895
770 815
705 740
Second Stage
0.2 0.3 0.4 0.5 0.6
140 165 190 210 235
210 230 255 275 295
350 380 415 440 465
375 410 445 475 500
195 220 245 270 295
285 315 350 375 400
340 375 415 440 465
425 460 495 515 540
115 140 160 180 200
165 190 220 240 255
260 285 315 345 375
290 325 355 380 405
155 180 205 225 245
215 245 280 305 330
260 290 320 350 380
320 355 390 415 440
105 125 145 165 185
130 155 175 195 215
195 225 255 270 290
215 240 270 290 310
120 140 165 185 205
160 190 215 235 255
190 215 245 265 290
235 265 295 320 345
1
4
1405
1280
1140
1
4
970
875
790
0.7 0.8
255 275
315 330
490 480
525 515
320 345
425 445
490 505
560 535
220 240
275 290
405 425
430 435
265 285
355 375
410 420
470 480
205 215
235 250
305 325
330 350
225 245
270 295
315 340
365 390