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IMportant:
In the case of conversion from natural gas to propane (LPG), the following operations must
be performed before calibrating the gas valve as illustrated previously:
• Replace the gas nozzle placed inside the gas valve (flow gas connection).
To perform this operation it is necessary to remove the gas valve by undoing the inlet and outlet connections
and unscrew the nozzle using round-nose pliers.
Check the seal of the gas couplings removed beforehand.
• On the control panel display set ignition power parameters h5, h51, h08, h09, h10, h11, h1
and h1. The values to be input are given in table 2 or 2.1. The programming methods are described in
chapter 16;
CO
max. heat output
2
CO
min. heat output
2
Table 1
Gas consumption at 15 °C
1013 mbar
gas G20 - 2H - 20 mbar
PCI (MJ/m
) NET
3
Consumption at max. heat output (m
Consumption at min. heat output (m
Gas nozzle (mm)
H536-H613 parameters (rpm) at max heat output (*)
H541-H610 parameters (pwm%) at max heat output (*)
H612 parameter (rpm) at min heat output (*)
H609 parameter (pwm%) at min heat output (*)
H611 parameter (rpm) at ignition load (*)
H608 parameter (pwm%) at ignition load (*)
Table 2
(*) In the case of outlet ducts longer than 2 m set the values given in the charts of § 12.5.
Gas consumption at 15 °C
1013 mbar
gas G31 - 3P - 37 mbar
PCI (MJ/Kg) NET
Consumption at max. heat output (Kg/h)
Consumption at min. heat output (Kg/h)
Gas nozzle (mm)
H536-H613 parameters (rpm) at max heat output (*)
H541-H610 parameters (pwm%) at max heat output (*)
H612 parameter (rpm) at min heat output (*)
H609 parameter (pwm%) at min heat output (*)
H611 parameter (rpm) at ignition load (*)
H608 parameter (pwm%) at ignition load (*)
Table 2.1
(*) In the case of outlet ducts longer than 2 m set the values given in the charts of § 12.5.
InstructIons pErtaInInG to thE
G20 - 2H - 20 mbar
G31 - 3P - 37 mbar
8.7 %
8.4 %
WH 90
34.02
/h)
9.22
3
/h)
2.79
3
11.5
5500
100
1750
14
2400
20
WH 90
46.34
6.77
2.05
7.5
5200
100
1650
13
3700
35
InstaLLEr
10.2 %
9.8 %
WH 110
34.02
11.10
3.15
11.5
6400
100
1850
11
3100
20
WH 110
46.34
8.15
2.31
7.5
5850
80
1700
10.5
3100
20
91.550.1 - GB/IE
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