A.O. Smith BTH-120 - Features and Components; Basic Operation; Blower;Burner Assembly Detail

7
BASIC OPERATION
          
  
          
          

        


BLOWER
BURNER
ASSEMBLY
MAIN
BURNER
(radial design)
HEAT
EXCHANGER
INTAKE AIR
(combustion air)
CONNECTION
3 INCH PVC
HELICAL
COIL
VENT (exhaust)
OUTLET
Figure 1
FEATURES AND COMPONENTS
BLOWER/BURNER ASSEMBLY DETAIL
199,000 & 250,000 Btu/hr MODELS
HOT SURFACE
IGNITER
120,000 & 150,000 Btu/hr MODELS
COMBUSTION
BLOWER
FLAME
SENSOR
MAIN
BURNER
(radial design)
BLOWER
FLANGE
INTAKE AIR
(combustion air)
CONNECTION
3 INCH PVC
HOT SURFACE
IGNITER
COMBUSTION
BLOWER ASSEMBLY
FLAME
SENSOR
MAIN
BURNER
(radial design)
BLOWER
FLANGE
INTAKE AIR
(combustion air)
CONNECTION
3 INCH PVC
Figure 2
Hot Surface Igniter
    
          


NOTE:

Flame Sensor



         
