Nozzle Calibration; Burner Pressure Curves - Output - Joannes EPOCA 25-29 NS Installation And Maintenance Manual

GAS - NOZZLE CALIBRATION
The boilers leave the factory calibrated and predisposed to operate with NATURAL GAS or B/P. For the pre-
calibrations effected, see the related table below:
Model Gas type
25 NS
NATURAL
29 NS
G20 - 20 mbar
25 NS
B / P
G30 - 30 mbar
29 NS G31 - 37 mbar
* = at 1013 mbar, 15°C
BURNER PRESSURE CURVE - OUTPUT
6000
5800
5500
5000
4000
3000
2000
1000
8
8.8
CO
Min
8,8
GAS
9,8
Epoca 25 NS
10 12 14 16
10.9
%
Flow-rate
2
3
Max m /h
2,62
9,0
3,05
0,765
(G30)
1,01
(G31)
10,0
0,877
(G30)
1,15
(G31)
Epoca 29 NS
18 20 22 24
Burner
jet diaphragm
Ø mm Ø mm
4,9 21,0
5,4 23,5
3,8 21,0
4,2 23,5
kW
26 30
25.0 29.0
73
Air Calorific
value (*)
Kcal/h
8.550
29.330
22.360
29.330
22.360
Field of job previewed for
operation like paragraph
"FLUE EXHAUST PIPE
INSTALLATION - SPECIAL
APPLICATIONS" page 56.