Williamson-Thermoflo SCH High Boy, Manual Manual, Page: 36 / 39

SCH & SCL
Oil Furnaces
– Furnace Manual
36
670-000-006-1007
12 Dimensions and ratings
(continued)
Model
SCH & SCL-105 burner data
Pump
Combustion
Input Firing rate Nozzzle pressure Head air adjustment
BTU/h
USGPH (Delavan) (PSIG) (Screw / Dial)
70 000 0.50 0.50-60W 100 HLX70HD 3 / 1.5
88 200 0.63 0.50-60W 156 HLX70HD 3 / 3.0
105 000 0.75 0.60-60W 156 HLX70HD 3 / 4.5
Pump
Input Firing rate Nozzzle
pressure
BTU/h
USGPH (Delavan) (PSIG)
88 200 0.63 0.50-60W 156
100 800 0.72 0.60-60W 145
air adjustment
(Turbulator / Band)
0 / 6.0
0 / 7.5
BECKETT BURNER - Model AFII-85 (3450 RPM) - Tube insertion 4-15/16"
Model
SCH / SCL-
105
RIELLO BURNER - Model 40-BF3 - Tube insertion 5-3/16"
Model
SCH / SCL -
105
Combustion
Model SCH & SCL-160 burner data
Pump Combustion
Input Firing rate Nozzle
pressure air adjustment
BTU/h USGPH (Delavan) (PSIG) (Screw / Dial)
119 000 0.85 0.75-70B 130 FB3 2.75
135 800 0.97 0.85-70B 130 FB3 4.25
159 600 1.14 1.00-70B 130 FB3 6.75
Pump
Input Firing rate Nozzle pressure
BTU/h USGPH (Delavan) (PSIG)
119 000 0.85 0.75 - 70B 130
135 800 0.97 0.85 - 70B 130
159600 1.14 1.00-70B 130
BECKETT BURNER - Model AFII-150 (3450 RPM) - Tube insertion 6-5/8"
Model Head
SCH / SCL-
160
SCH / SCL-
160
1 / 3.0
1 / 4.0
RIELLO BURNER - Model 40-BF5 - Tube insertion 6-5/8"
Model
(Turbulator / Band)
Combustion
air adjustment
2 / 4.5