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Initial Start-Up - Viessmann FDVS-4 Installation Instructions Manual

Direct vent systems

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Initial Start-up

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

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