70
EMP
Installation & Service Manual
109529-03 - 11/19
Boiler Model
Burner
Input
(GPH)
Head /Air
Adjustment
(setting)
Nozzle
Pump
Pressure
(PSI)
Approx.
Shipped
CO
2
(%)
Baffle
Location
(pass)
Approx. Stack
Temp. Increase
Without Baffles
°F
(2)
Baffles
IN
Minimum
Overfire
Pressure
(" w.c.)
(3)
Baffles OUT
Minimum
Overfire
Pressure
(" w.c.)
(3)
Baffles
IN
Minimum
Breech
Pressure
(" w.c.)
(3)
Baffles
OUT
Minimum
Breech
Pressure
(" w.c.)
(3)
EMP140E
1.00
2.75
0.75 - 60°W
Delavan
180
11.5
2
nd
75
+0.06
+0.045
+0.045
+0.03
EMP182E
1.30
1.00
1.00 - 45°B
Hago
180
11.5
2
nd
70
+0.10
+0.05
+0.08
+0.04
EMP224E
1.60
2.25
1.25 - 45°B
Hago
180
11.5
2
nd
23
+0.07
0
+0.06
+0.02
Notes
(2)
The increased stack temperature with the baffles removed is an approximation, based on a constant supply temperature of 180°F and 11.5% CO
2
.
Actual field values may be different.
(3)
These values are representative for max vent and air intake piping conditions @ 180°F supply water temperature and 11.5% CO
2
. Actual field values
may be different.
(4)
Single stage fuel pump is standard, two-stage fuel pump is optional. Burner manufacturer has preset single stage fuel pump to settings shown in
table above. Two-stage fuel pump is factory set at 140 PSI and must be readjusted to settings shown above during burner start-up.
Table 10: Beckett NX Burner SPECIFICATIONS - Direct Vent
14
Burner Specifications
(continued)
