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Table 14 - Beckett NX (Direct Vent) Preliminary Burner Settings
Burner settings provided are for initial startup only. Final adjustments must be made using combustion test instruments.
TABLE 14a: BECKETT DIRECT VENT PRELIMINARY BURNER SETTINGS
Insertion
Boiler
Head
Depth
Model
Type
[inch]
4075
6 Slot
2.5
5100
6 Slot
2.5
6130
6 Slot
2.5
Timings
Pre-purge
15 seconds
Post-purge
30 seconds
17 - OIL BURNER, NOZZLE, & AIR SETTINGS
Firing
Combustion
Rate
Liner
[GPH]
0.75
Oval
1.00
None
1.30
V6
TABLE14b : BECKETT /ECR PART NUMBERS
Boiler
Model
4075
5100
6130
Nozzle
Nozzle
Pressure
Mfr.
Type
Delavan
0.60x60B
Delavan
0.75x45B
Delavan
1.00x45B
Beckett Oil
ECR Oil Burner
Burner
Part Number
NX70LC
550004238
NX70LC
240007532
NX70LD
240007533
51
Pump
Pressure
Air
Switch
Setting
[PSI]
Setpoint
150
1.5
0.65" WC
175
4.0
0.85" WC
175
2.0
0.65" WC
PN 240013415 REV A [08/15/2021]
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