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• Profile A provides only an OFF delay of one (1) minute at
100% of the cooling demand airflow.
OFF
100% CFM 100% CFM
1 min
OFF
• Profile B ramps up to full cooling demand airflow by first
stepping up to 50% of the full demand for 30 seconds. The
motor then ramps to 100% of the required airflow. A one (1)
minute OFF delay at 100% of the cooling airflow is provided.
50% CFM
1/2 min
100% CFM
100% CFM
1 min
OFF
OFF
• Profile C ramps up to 85% of the full cooling demand airflow
and operates there for approximately 7 1/2 minutes. The
motor then steps up to the full demand airflow. Profile C
also has a one (1) minute 100% OFF delay.
100% CFM
OFF
OFF
• Profile D ramps up to 50% of the demand for 1/2 minute,
then ramps to 85% of the full cooling demand airflow and
operates there for approximately 7 1/2 minutes. The motor
then steps up to the full demand airflow. Profile D has a 1/
2 minute at 50% airflow OFF delay.
OFF
OFF
Model Tap
Low
Stage
Cool
High
Stage
Cool
Low
Stage
Heat
High
Stage
Heat
A 370 660 880 1220
B 540 860 970 1340
C 790 1150 1040 1460
D 980 1470 1120 1590
A 530 900 1110 1600
B 730 1100 1200 1710
C 930 1430 1270 1800
D 1220 1880 1330 1910
A 500 780 1220 1730
B 740 1070 1250 1770
C 920 1380 1300 1840
D 1160 1780 1310 1870
A 390 630 600 820
B 550 800 650 890
C 680 1000 690 950
D 800 1210 730 1030
A 540 830 1140 1600
B 750 1090 1190 1690
C 980 1460 1270 1800
D 1210 1800 1330 1890
A 510 790 1230 1810
B 710 1100 1260 1850
C 910 1410 1300 1890
D 1160 1830 1330 1940
A 510 790 1230 1810
B 710 1100 1260 1850
C 910 1410 1300 1890
D 1160 1830 1330 1940
*CVM960805DX*
*CVM960604CX*
*MVM961005DX*
*MVM960805CX*
*MVM960603BX*
GCVM961005DX*
*MVM961155DX*
Airflow Table
7. Select the heating speed for your model from the heating
speed chart in the Specification Sheet. The “adjust” setting
(already established by the cooling speed selection)
determines which set of speeds are available. The selected
speed must provide a temperature rise within the rise range
listed with the particular model.
8. Select the desired “heating” speed tap by positioning
switches 3 and 4 appropriately. Refer to figure above. Verify
CFM by noting the number displayed on the dual 7-segment
LED display.
In general lower heating speeds will: reduce electrical consump-
tion, lower operating sound levels of the blower, and increase the
outlet air temperature delivered to the home. The speeds avail-
able allow the blower performance to be optimized for the particu-
lar homeowner’s needs.