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Technical description
3.1
Technical data
GAS TRAIN
Max. feed pressure
Gas pressure switch
Air control max. pressure
Protection level
Ambient / storage temperature
Voltage/Frequency
Filter
Δp between the input and output pressure
(1)
max. 50 mbar.
If the Dp is not respected, the gas train stabiliser
WARNING
goes into safety with consequent failure of valve
opening.
3.2
Components
The Multibloc is composed by:
Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Safety valve. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
3.3
Description
1
Electrical connection for pressure switch
2
Electrical connection for valves
3
Setting screw for "Pw" gas pressure switch
4
Input flange with integrated test point
5
Pressure measuring connection for air pressure in combus-
tion head "P
"
L
6
Pressure connection for "P
7
Setting screw (N)
8
Setting screw (V)
9
Outlet flange with integrated test point
10 Test point after filter (up-line from the 1st valve)
11 Test point between valves
12 Test point after the 2nd valve
13 Filter
3.4
Maximum dimensions
GAS TRAIN
TYPE
CODE
CG 120/P
20105417
CG 120/P
3970587
CG 220/P
3970588
3.4.1
Burner equipment
Screws and nuts for fastening train to burner . . . . . . . . . No. 4
2903011
Technical description
" combustion chamber pressure
F
CONNECTIONS
Ø 1 NETWORK
Rp 3/4"
Rp 3/4"
Rp 3/4"
CG 120/P - CG 220/P
Adjustment range 4 50 mbar
220 - 240V +10/-15%, 50/60 Hz
When the burner is ignited, the gas pressure up-
stream of the dynamic gas train must be stable
and not have strong drops. In the event of strong
drops, the gas train stabiliser does not work prop-
WARNING
erly with the consequent failure of the valve open-
ing.
Gas pressure switch (integrated) . . . . . . . . . . . . . . . . . . . No. 1
Working valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Pressure stabilizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
13
4
11
1
2
DIMENSIONS
BURNER
A
Flange 1
140
Flange 2
140
Flange 3
160
Instruction manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
3
GB
100 mbar
(1)
30 mbar
IP 54 as IEC 529
-10°C to + 60 °C
Nylon and polyester
B
10
11
12
P w
N
V
mba r
3
7
8
5
6
ELECTRICAL
CONNECTION
B
265
6 pin plug
250
6 pin plug
280
6 pin plug
Tab. A
D7039
9
Fig. 1
Tab. B
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