Lennox SL297UHNV Series - Combustion Air Inducer and Proving Switch


7. Combustion Air Inducer (B6)
-

      
-
-


       


8. Combustion Air Inducer





-


  -
          
  -


         


         
-


      -


-

COMBUSTION AIR INDUCER AND PROVE SWITCH
Prove Switch
Combustion Air Inducer
FIGURE 15
COMBUSTION AIR PRESSURE SWITCH
3/16 Terminals
Low Fire Switch
High Fire Switch
1/4
" Terminals
Tap (negative - )
Tap (positive +)
FIGURE 16
NOTE - The switch is factory set and is not eld adjust-
able. It is a safety shut-down control in the furnace and
must not be by-passed for any reason. If switch is closed
or bypassed, the control will not initiate ignition at start up.
TABLE 17
Unit  
-040
 
