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small but steady.
N.B.: in the case of liquid gas, the regulation screw
must be screwed in to the bottom.
•
check that the flame does not turn off when you turn
the tap quickly from high to low.
c) Regulating the primary air of the burners:
The primary air of the burners requires no regulation.
Important
On completion of the operation, replace the old rating
sticker with one indicating the new type of gas used. This
sticker is available from our Service Centres.
Table 1
Burner
Diameter
Fast (large) (R)
Semi-fast (medium) (S)
Auxiliary (Small) (A)
Supply pressure
*
At 15°C and 1013 mbar- dry gas
G30 (GPB-B)
G20 (GZ50)
GZ350 (GZ35)
Burner and nozzle characteristics
By-pass
Thermal
(mm)
1/100
power
kW
(p.c.s.*)
(mm)
Reduc.
100
0.70
41
75
0.40
30
51
0.40
30
Nom.
Min.
Max.
P.C.S. = 49,47 MJ/Kg
P.C.S. = 37,78 MJ/m
3
P.C.S. = 27,20 MJ/m
3
Note
Should the pressure of the gas used be different (or vary)
from the recommended pressure, it is necessary to fit a
suitable pressure regulator onto the inlet pipe in compliance
with current National Regulations relative to "regulators for
channelled gas".
G30 (GPB-B)
Nozzle
Thermal
1/100
power
Flow *
kW
g/h
(p.c.s.*)
(mm)
Nominal
87
3.40
247
70
2.20
160
52
1.30
95
36
29
44
S S
A
K 3G5/U
K 3G51/U
K 3G510/U
K 3G55A/U
K 3G55/U
K 3G56/U
22
G20 (GZ50)
Injector
Flow*
Thermal
1/100
l/h
power
kW
(p.c.s.*)
(mm)
Nominal
3.00
128
286
1.90
104
181
1.00
76
95
20
16
25
R
K 3M5/U
GZ350 (GZ35)
Injector
Flow*
1/100
l/h
(mm)
158
397
143
251
106
132
13
10
16
Ø180
S
A
R
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