Beckett NX Instruction Manual

Beckett
Instruction Manual – Model NX Oil Burne
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Set head/air adjustment plate position
1. See Figure 4. Loosen the splined nut and lower acorn nut. (DO NOT
loosen the top left acorn nut. This is used only for setting the zero calibration.)
2. Use a 5/16” nutdriver or flat blade screwdriver to turn the adjustment
screw until the pointer points to the required head/air setting number.
3. Tighten the splined nut and lower acorn nut. Securely attach the copper
oil line to the nozzle line flare fitting.
Table 4
– Approximate air adjustment settings for various firing rates
7
Adjustment
plate setting
number
Burner firing rate
6-slot head
w/ LFR baffle
6-slot head
w/o baffle
9-slot head
w/ LFR baffle
9-slot head
w/o baffle
0.5 0.40 – 0.60 -- 0.40 – 0.60 --
1.0 0.50 – 0.70 -- 0.50 – 0.70 --
2.0 0.60 – 0.80 0.85 – 1.05 0.60 – 0.80 0.85 – 1.05
3.0 0.70 – 0.90 0.95 – 1.15 0.70 – 0.90 0.95 – 1.15
4.0 0.80 – 1.00 1.05 – 1.25 0.80 – 1.00 1.05 – 1.25
5.0 0.90 – 1.10 1.15 – 1.35 0.90 – 1.10 1.15 – 1.35
Prepare burner & site
Figure 4
– Nozzle line/head/air tube assembly
SK9666

Beckett NX Specifications

General

Fuel Type	Oil
Motor Speed	3450 RPM
Frequency	60 Hz
Motor Type	PSC
Voltage	120V