41
S
TARTUP
P
ROCEDURE
& A
DJUSTMENT
• 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
12
AOFFOFF
BONOFF
COFFON
D* ON ON
Switch Bank: S3
Cooling Speed
Taps
DIP Sw itch No.
(*Indicates factory setting)
34
Normal* OFF OFF
10% ON OFF
-10% OFF ON
Normal ON ON
DIP Switch No.
(*Indicates factory setting)
Switch Bank: S3
Adjust Taps
• 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
Airflow Table
Model Tap
Low Stage
Cool
High Stage
Cool
Low Stage
Heat
High Stage
Heat
A 390 600 550 792
B 520 800 600 864
C 650 1000 650 936
D 780 1200 700 1008
A 390 600 840 1210
B 520 800 920 132
C 715 1100 1000 1440
D 929 1429 1080 1555
A 550 810 1050 1490
B 770 1100 1120 1570
C 1000 1470 1200 1690
D 1250 1810 1250 1780
A 520 800 1125 1620
B 715 1000 1195 1721
C 910 1400 1265 1822
D 1170 1800 1335 1922
A 520 800 1230 1771
B 715 1100 1265 1822
C 910 1400 1300 1872
D 1170 1800 1335 1922
A 390 600 830 1195
B 520 800 915 1318
C 715 1100 1000 1440
D 929 1429 1085 1562
A 360 660 870 1230
B 520 830 950 1305
C 780 1130 1040 1470
D 960 1460 1130 1600
A 520 800 1110 1598
B 715 1100 1185 1706
C 910 1400 1260 1814
D 1170 1800 1335 1922
A 560 810 1120 1620
B 740 1110 1220 1750
C 920 1430 1280 1860
D 1190 1860 1340 1970
A 508 783 1214 1759
B 690 1091 1229 1791
C 906 1406 1296 1838
D 1165 1809 1302 1878
*CVC91155DX*
*CVC950915DX*
*CVC90905DX*
*CVC950714CX*
*MVC950704CX*
*MVC950453BX*
*CVC90704CX*
*MVC951155DX*
*MVC950905DX*
*MVC950905CX*
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