Dunkirk Excelsior EXB Series User Manual
Page 10
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TABLE 1: THE HIGH EFFICIENCY OIL BOILER IS CERTIFIED FOR USE ONLY WITH THE FOLLOWING PART
NUMBERS
Burner
Options
Items with Boiler
Termination
Options
Part Num-
ber
Vent Length
Options
Part number
Field Supplied Items
Item
Part Num-
ber
Riello
40BF
4-7/8” to 4” Appli-
ance Adapter
240007535 STD Termi-
nal
28972
4” ID x 10
FT
240006909*
4x3” Single wall Reducer
for Riello
Beckett
NX
36” Riser
29231
4” ID x 15
FT
240006910*
Single Wall Vent 25 FT Max
With Up To (8) 90 Deg.
Elbows for Air Intake Pipe
4” ID x 20
FT
240006911*
*Includes Terminal Adapter and Caulking p/n 240006914
BURNER SETTINGS TABLES
TABLE 2: BECKETT DIRECT VENT PRELIMINARY BURNER SETTINGS
Boiler
Model
Head
Type
Insertion
Depth
Firing
Rate
[GPH]
Combus-
tion liner
Nozzle
Mfr.
Nozzle
Type
Pump
Pressure
[PSI]
Air
Setting
Pressure
Switch
Setpoint
Rated
AFUE
Effi ciency
[%]
4075
6 Slot
2.5"
0.75
Oval
Delavan 0.60x60B
150
1.5
0.65" WC
86.0
4095
6 Slot
2.5”
0.95
Oval
Hago
0.75x60B
155
4.0
0.65” WC
85.0
5100
6 Slot
2.5"
1.00
None
Delavan
0.75x45B
175
4.0
0.85" WC
86.5
5115
6 Slot
2.5”
1.15
V5
Hago
1.00x60B
140
1.8
0.85” WC
85.0
5135
6 Slot
2.5”
1.35
V5
Delevan 1.10x60B
150
2.5
0.85” WC
84.0
6130
9 Slot
2.5"
1.30
V6
Danfoss
1.00x45B
175
2.0
0.65" WC
86.5
Timings
Pre-purge
15 seconds
Post-Purge
2 minutes
TABLE 2: BECKETT/ECR PART NUMBERS
Boiler
Model
Beckett
Oil Burner
Model
ECR Oil Burner
Part Number
4075
NX70LC
240007531
4095
NX70LC
240009393
5100
NX70LC
240007532
5115
NX70LF
240009395
5135
NX70LF
240009396
6130
NX70LD
240007533