Lennox G61MPVT-36B-070 Installation Instructions Manual page 29

100% CFM
OFF
DEMAND
Ramping Option D
S Motor runs at 100% until demand is satisfied.
S Once demand is met, motor ramps down to stop.
100% CFM
OFF
COOLING
DEMAND
G61MPVT−36B−070 BLOWER MOTOR PERFORMANCE (LESS FILTER)
0.0" to 0.8" w.g. (0 through 200 Pa) External Static Pressure Range
Factory Settings: Heating Speed − 2; Cooling Speed − 4; Speed Adjust − NORM
ADJUST"
Switch
1
Positions
cfm
+ 895
NORM 820
N/A
ADJUST"
1
Switch
Positions
cfm
+ 820
NORM 760
N/A
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 (235 L/s).
100% CFM
45 SEC.
OFF
Second Stage HEAT" Speed
2 3
L/s cfm L/s cfm
420 1025 485 1290
385 940 445 1155
N/A 840 395 1020
First Stage HEAT" Speed
2 3
L/s cfm L/s cfm
385 930 440 1160
360 865 410 1045
N/A 775 365 930
Switches 7 and 8 −− Heating Mode Blower Speed −−
OFF
Switches 7 and 8 are used to select heating mode blower
motor speed. The unit is shipped from the factory with the
dip switches positioned for medium low (2) speed indoor
blower motor operation during the heating mode. The table
below provides the heating mode blower speeds that will
result from different switch settings. Refer to tables 14
through NO TAG for corresponding L/s values.
Heating Mode Blower Speeds
Speed
1 − Low
2 − Medium Low
(Factory)
3 − Medium High
4 − High
TABLE 14
Speed Switch Positions
4 1
L/s cfm L/s cfm
610 1340 630 1015
545 1210 570 930
480 1055 495 830
4 1
L/s cfm L/s cfm
550 1210 570 730
495 1090 515 680
440 965 455 625
Page 29
TABLE 13
Switch 7
On
Off
On
Off
Second Stage COOL" Speed
2 3
L/s cfm L/s cfm
480 1190 560 1280
440 1065 505 1155
390 950 450 1010
First Stage COOL" Speed
2 3
L/s cfm L/s cfm
345 815 385 865
320 755 355 795
295 695 330 730
Switch 8
On
On
Off
Off
4
L/s cfm L/s
605 1395 660
545 1270 600
475 1105 520
4
L/s cfm L/s
410 935 440
375 855 405
345 775 365