Riello PRESS 140 P/N, Installation, Use And Maintenance Instructions

Page: 12 / 68

20170392 10 GB
Technical description of the burner
5.5 Firing rates
During operation, burner output varies within a minimum and a
maximum limit.
MINIMUM OUTPUT : can drop down to:
MAXIMUM OUTPUT must be within the firing rate (Fig. 2).
PRESS 140 P/N 35 kg Maximum modulating ratio is 1 - 3
(46 - 140 kg/h)
PRESS 200 P/N 50 kg Maximum modulating ratio is 1 - 3
(66 - 200 kg/h)
PRESS 300 P/N 60 kg Maximum modulating ratio is 1 - 3
(90 - 300 kg/h)
PRESS 450 P/N 100 kg Maximum modulating ratio is 1 - 3
(150 - 450 kg/h)
ATTENTION
The FIRING RATE was obtained with an ambient
temperature of 20°C and a barometric pressure of
1000 mbar (approx. 100m above sea level), with
the combustion head adjusted as shown on page
22.
0
500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500
kW
kg/h
0
50 100 150 200 250 300 350 400 450 500
P 140 P/N
P 300 P/N
P 200 P/N
P 450 P/N
mbar
0
2
4
6
8
10
12
14
16
18
Fig. 2
S9888
Pre
ssu
re in com
b
u
stion
c
h
amb
er
Thermal power