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Instruction Manual – Model AFII Oil Burner
Beckett
Contents
Prepare before installing
Verify specifications ……………………………….…………………..…….………….. 3
Be aware of hazard definitions …………….…………….…..………..……………….. 3
Check certifications/approvals ……………………………………..…………………... 3
Notice special requirements ………………….…………...…………..……………….. 3
Prepare burner & site
Inspect/prepare installation site ……………………...…………..………………….… 4
Prepare burner ……………………………...…..…………………..…………………… 5
HLX arrangement……………….…………….………………………..………………... 6
FBX arrangement …………………………………….….…………..………………….. 7
Adjust, pipe, & wire burner
Mount burner on appliance ………………………………..…………..……………….. 8
Connect fuel lines ………………………………………………………..……………… 8
Wire burner ………………………………………………………………..……………... 8, 9
Startup & adjust burner
Startup burner/set combustion ………..……………..….…………..…………………. 10
Set combustion with instruments …………..………….…………..…………………... 10
Service & maintain burner
Perform regular maintenance …………………..……….……………..……….……… 10
To replace the blower wheel ………………………..……………….…………………. 10
Replacement parts ………………………………………………………………………. 11
Owner’s information and warranty ………………………………….………….……… 12
2
Table 1
– Air Tube Combination (ATC) codes
AFII AIR TUBE COMBINATION AND FIRING RATE CHART
USABLE AIR TUBE LENGTH DIM. “A” (see Fig. 5) FIRING RATE RANGE
3” 5” 7” 9” ATC Code Head AFII 85 AFII 100 AFII 150
Head Design – Adjustable w/ stop screw – typical applications: Wet base boilers
HLX30 HLX50 HLX70 HLX90 HB AF2-6 0.40-0.85 gph 0.65-1.00 gph 0.75-1.35 gph
HLX30 HLX50 HLX70 HLX90 HC AF2-9 N/A 0.65-1.00 gph 0.75-1.50 gph
HLX30 HLX50 HLX70 HLX90 HD AF2-6 0.40-0.85 gph 0.65-1.00 gph 0.75-1.10 gph
HLX30 HLX50 HLX70 HLX90 HE AF2-9 N/A 0.65-1.00 gph 0.75-1.35 gph
Head Design – Fixed – typical applications: Furnaces, Dry base boilers, Water heaters
FBX30
FBX50 FBX70
FBX90
HFXS FB0
0.40-0.65 gph
0.55-0.75 gph
0.75-1.00 gph
FBX30 FBX50 FBX70 FBX90 HGXS FB3 0.55-0.85 gph 0.55-1.10 gph 0.85-1.20 gph
FBX30 FBX50 FBX70 FBX90 HHXS FB4 N/A 0.75-1.10 gph 1.10-1.25 gph
FBX30 FBX50 FBX70 FBX90 HIXS FB6 N/A 0.85-1.15 gph 1.15-1.35 gph