Instruction Manual – Model NX 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
Check retention head alignment……………………………………………………….. 6
Check/adjust “Zero” calibration……….…………………………………………….….. 6
Set head/air adjustment plate position………………………………………………… 7
Adjust, pipe, & wire burner
Mount burner on appliance………………………………..……………………………. 8
Connect fuel lines………………………………………………………………………… 8
Wire burner………………………………………………………………………….……. 9
Start up & adjust burner
Start up 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……………………………………………………………………… 12
Owner service and maintenance……………………………………………………….. 12
Warranty…………………………………………………………………………………... 12
Table 1 – Air Tube Combination (ATC) codes
Firing rate
(gph)
ATC codes for usable air tube lengths:
(min-max)
Head
5” 7” 9”
0.40-1.35 9-SLOT NX50LB NX70LB NX90LB
0.40-1.35 6-SLOT NX50LC NX70LC NX90LC
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