NOTE − Using total air volume and system static pressure requirements, determine from blower performance tables rpm and motor horsepower required.
Maximum usable horsepower of motors furnished by Lennox are shown. In Canada, nominal motor horsepower is also maximum usable motor
horsepower. If motors of comparable horsepower are used, be sure to keep within the service factor limitations outlined on the motor nameplate.
S − Factory installed standard
f
− Factory Installed with extended lead time.
BLOWER DRIVE SPECIFICATIONS (50Hz)
Rev/min
Static
Range
Low
541 − 735
Standard
704 − 911
High
889 − 1083
Low
616 − 798
Standard
773 − 967
High
953 − 1160
Low
657 − 851
Standard
812 − 1005
High
996 − 1212
Low
785 − 955
Standard
953 − 1160
High
1125 − 1342
Low
616 − 798
Standard
773 − 967
High
953 − 1160
Low
679 − 863
Standard
843 − 1078
High
1078 − 1274
NOTE − Using total air volume and system static pressure requirements, determine from blower performance tables Rev/min and motor horsepower required.
Maximum usable horsepower of motors furnished by Lennox are shown. If motors of comparable horsepower are used, be sure to keep within the service factor limitations