Weil Mclain Burner Specifi Cation - Weil-McLain NX User Manual

Weil-McLain Burner Specifi cations
The remainder of this manual contains Information to be used ONLY by a
NX Burner Specifi cations for Weil-McLain Ultra Oil Boilers
Verify that burner specifi cation number (on burner carton) and confi guration agrees with information below.
Table 1. Burner Confi gurations
The table below provides burner specifi cations and starting air settings for NX burners applied to Weil-McLain Model
UO boilers. Follow all instructions in this burner manual, the boiler manual and the fuel pump literature to install, setup
and service the burner.
Boiler Burner
Model Spec
UO-3 CV WL5703
(See Note1)
UO-3 CV WL5703
UO-4 CV WL5704
UO-5 CV WL5705
UO-3 DV WL5803
(See Note1)
UO-3 DV WL5803
UO-4 DV WL5804
UO-5 DV WL5805
1) Shipped as 1.0 GPH Burner Confi guration. The 0.80 GPH input uses same burner as 1.0 GPH input. Replace
nozzle, adjust pump pressure and Head/Air setting as shown above and install 14"x16" blanket on combustion
chamber fl oor. (See Maintenance Section for Nozzle Replacement details.)
Page 4
NOTICE
qualifi ed Service Technician.
Firing Air Tube Inser-
Rate Combina- tion
(GPH) tion
0.80 NX70LC 1-3/4"
1.00 NX70LC 1-3/4"
1.20 NX90LB 3-1/2"
1.40 NX90LD 3-1/2"
0.80 NX70LC 1-3/4"
1.00 NX70LC 1-3/4"
1.20 NX90LB 3-1/2"
1.40 NX90LD 3-1/2"
Primary Alternate
Nozzle Nozzle
0.65 X 60 o A 0.65 X 70
Delavan Hago
0.75 X 60 B 0.75 X 60
o
Hago Delavan
1.00 X 70 o B 1.00 X 70
Hago Delavan
1.10 X 70 o B 1.10 X 70
Hago Delavan
0.65 X 60 o A 0.65 X 70
Delavan Hago
0.75 X 60 o B 0.75 X 60
Hago Delavan
1.00 X 70 o B 1.00 X 70
Hago Delavan
1.10 X 70 o B 1.10 X 70
Hago Delavan
Fuel Head/
Pump Air
Pres- Adjust-
sure ment
(psig) Plate
Setting
o B 150 1.75
B 175 2.50
o
o B 140 4.00
o B 160 1.50
o B 150 1.75
o B 175 2.50
o B 140 4.00
o B 160 1.50
WM 550-141-996/1105
RWB 6104WMNX R1005