Technical information

Initial Start-up
18
Initial Start-Up
Beckett burner calibration
Boiler model Model No. VR1-22 VR1-27 VR1-33
Burner model Beckett NX-VI 701 NX-VI 702 NX-VI 703
Fuel type oil No. 2 fuel oil
Pump pressure psig 190 175 175
Oil nozzle
Danfoss n.a. 0.60x60°AS n.a.
O
i
l
n
o
z
z
l
e
Delavan 0.50x60°B n.a. 0.75x60°A/W
Hago 0.50x60°B 0.60x60°B n.a.
Oil nozzle flow rate GPH@psig 0.65@190 0.75@175 1.00@175
Air tube length inches
mm
7
178
7
178
7
178
Air tube insertion inches
mm
3¼
83
3¼
83
3
5
/
8
92
Air tube combination NX70LP NX70LP NX70LJ
Head type 6-slot 6-slot 9-slot
Head setting 2.00 2.50 3.25
Air setting see head setting
Static plate n.a.
Baffle n.a.
Fuel pump 21844 21844 21844
Flange 32073 32073 32073
5351 050 v2.5