Beckett NX Manuel D’Utilisation
Page 4
RWB 6104 BNX R02
General Specifi cations
Table 1 – Burner Specifi cations
Capacity
Firing rate: - 0.40 – 1.75 GPH
Input: Min. - 56,000 Btu
Max - 245,000 Btu
Input: Min. - 56,000 Btu
Max - 245,000 Btu
Certifi cation/
Approvals
Approvals
UL certifi ed to comply with ANSI/UL296 &
tested to CSA B140.0
Fuels
U. S No. 1 or No. 2 heating oil only (ASTM
D396)
Canada No. 1 stove oil or No. 2 furnace oil
only
D396)
Canada No. 1 stove oil or No. 2 furnace oil
only
Electrical
Power supply - 120 volts AC, 60 Hz, single
phase
Operating load - 5.8 Amps max
Motor - 1/7 hp, 3450 rpm, NEMA 48M
frame PSC rotation CCW when
facing shaft end
Ignition - Continuous duty solid-state igniter
phase
Operating load - 5.8 Amps max
Motor - 1/7 hp, 3450 rpm, NEMA 48M
frame PSC rotation CCW when
facing shaft end
Ignition - Continuous duty solid-state igniter
Fuel pump
Outlet pressure - Note 1
Air tube
ATC code - See Table 2
Dimensions
(with cover)
(with cover)
Height (maximum) - 12-1/2 inches
Width (maximum) - 15 inches
Depth - 9-1/4 inches
Air tube diameter - 3-1/4 inches
Width (maximum) - 15 inches
Depth - 9-1/4 inches
Air tube diameter - 3-1/4 inches
*
Note 1. See appliance manufacturer’s burner specifi cations for
recommended outlet pressure.
Table 2 – Air Tube Combinations (ATC)
Firing rate
(gph)
Head
ATC codes for usable air tube
lengths:
(min-max)
5”
7”
9”
0.40-1.00
9-Slot
NX50LG
NX70LG
NX90LG
0.40-1.00
6-Slot
NX50LH
NX50LH
NX90LH
0.40-1.35
9-Slot
NX50LB
NX70LB
NX90LB
0.40-1.35
6-Slot
NX50LC
NX70LC
NX90LC
1.10-1.75
9-Slot
NX50LD
NX70LD
NX90LD
1.10-1.75
6-Slot
NX50LF
NX70LF
NX90LF
•
Notice Special Requirements
For recommended installation practice in Canada,
refer to the latest version of CSA Standard B139 &
B140.
B140.
Concealed damage — If you discover damage to
the burner or controls during unpacking, notify the
carrier at once and fi le the appropriate claim.
carrier at once and fi le the appropriate claim.
When contacting Beckett for service information —
Please record the burner serial number (and have
available when calling or writing). You will fi nd the
serial number on the silver label located on the left
rear of the burner. Refer to Figure 1.
available when calling or writing). You will fi nd the
serial number on the silver label located on the left
rear of the burner. Refer to Figure 1.
Inspect/Prepare Installation Site
Clearances to Burner and Appliance
Provide space around burner and appliance for
ease of service and maintenance. Check the mini-
mum clearances against those shown by the ap-
pliance manufacturer and by applicable building
codes.
mum clearances against those shown by the ap-
pliance manufacturer and by applicable building
codes.
Inspect Chimney or Direct Vent System
•
•
•
Figure 1. Burner label location
General Information
Inspect the chimney or vent. Make sure it is prop-
erly sized and in good working condition. Follow the
instructions supplied by the appliance manufactur-
er.
instructions supplied by the appliance manufactur-
er.
The burner cannot properly burn the fuel if it is not
supplied with a reliable combustion air source.
Follow the guidelines in the latest editions of the
NFPA 31 and CSA-B139 regarding providing ad-
equate air for combustion and ventilation.
supplied with a reliable combustion air source.
Follow the guidelines in the latest editions of the
NFPA 31 and CSA-B139 regarding providing ad-
equate air for combustion and ventilation.
•
•
Failure to provide adequate air supply could se-
riously affect the burner performance and result
in damage to the equipment, asphyxiation, ex-
plosion or fi re hazards.
in damage to the equipment, asphyxiation, ex-
plosion or fi re hazards.
Adequate Combustion
and Ventilation Air Supply
Required
Required
WARNING
!