Unigas HP91A, Руководство по установке, использованию и обслуживанию

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C.I.B. UNIGAS - M039140CE
6
How to interpret the burner “Performance curve”
To check if the burner is suitable for the boiler to which it must be installled, the following parameters are needed:
z
furnace input, in kW or kcal/h (kW = kcal/h / 860);
z
backpressure (data are available on the boiler’s ID plate or in the user’s manual).
Example:
Furnace input: 600kW
Backpressure: 4mbar
In the “Performance curve” diagram (Fig. 2), draw a vertical line matching the furnace input value and an horizontal line matching the
backpressure value. The burner is suitable if the intersection point A is inside the performance curve.
Fig. 2
Data are referred to standard conditions: atmospheric pressure at 1013mbar, ambient temperature at 15°C
Checking the proper gas train size
To check the proper gas train size, it is necessary to the available gas pressure value
upstream the burner’s gas valve. Then subtract the backpressure. The result is called p
gas.
Draw a vertical line matching the furnace
input value (600kW, in the example), quoted on the x-axis, as far as intercepitng the network pressure curve, according to the installed
gas train (DN65, in the example). From the interception point, draw an horizontal line as far as matching, on the y-axis, the value of
pressure necessary to get the requested furnace input. This value must be lower or equal to the
p
gas
value, calculated before.
Fig. 3
Burner model identification
Burners are identified by burner type and model. Burner model identification is described as follows.
Type HP91A Model MG. PR. S. *. A. 1. 80
(1) (2) (3) (4) (5) (6) (7) (8)
(1) BURNER TYPE HP91A
(2) FUEL M - Natural gas G - Light oilLight oil
(3) OPERATION
(
Available versions) PR - Progressive MD - Fully modulating
(4) BLAST TUBE S - Standard L - Extended
(5) DESTINATION COUNTRY * - see data plate
(6) BURNER VERSION A - Standard
(7) EQUIPMENT 1 = 2 gas proving system
8 =
2 gas proving system
(8)GAS CONNECTION
see Specifications
50 = Rp2 65 = DN65
80 = DN80 100 = DN100
Campo di lavoro bruciatori
Tipo P60 Mod. M-xx.x.IT.A.0.50 - M-.xx.x.IT.A.0.65
-1
0
1
2
3
4
5
6
7
8
100 200 300 400 500 600 700 800 900
Potenza kW
Contropressione in camera di
combustione mbar
A
Tipo / Type P60
M-...50 (Multibloc DUNGS MB-DLE 420 B01)
M-...65 (Filtro / Filter DN65+ SIEMENS VGD40.065 +SKP1x+SKP2x)
0
5
10
15
20
25
100 200 300 400 500 600 700 800 900
Potenza / Output (kW)
Mi
n
im
a
p
ressi
o
n
e
g
as i
n
re
te
/ M
in
imu
m in
le
t g
a
s
pre
s
s
ure
(mba
r)
Rp 2" (50)
DN65