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ENGLISH
- To exit the "combustion analysis" function turn the command knob.
- Extract the gases analysis probe and refit the plug.
- Close the instrument panel and reassemble the shell.
The "combustion analysis" function automatically deactivates if the
card generates an alarm. In the event of a fault during the combustion
analysis phase, carry out the reset procedure, acting on the mode se-
lector as described in section 4.4.
Table 1
Maximum domestic hot
water fan rotations
20 R.S.I.
28 C.S.I.
Table 2
Minimum number of fan
rotations
20 R.S.I.
28 C.S.I.
Table 2a
Minimum number of fan
rotations in case of collective
smoke pipes under pressure
20 R.S.I.
28 C.S.I.
Table 3
Maximum number of
heating fan rotations
20 R.S.I.
28 C.S.I.
Table 4
Max CO
2
20 R.S.I.
28 C.S.I.
Table 5
Min CO
2
20 R.S.I.
28 C.S.I.
Table 6
Slow ignition
20 R.S.I.
28 C.S.I.
4.8
Gas conversion (fig. 47)
It is easy to transform gas from one family to gas belonging to
another family even with the boiler installed.
This job must be done by professionally qualified personnel only.
The boiler is supplied to run on natural gas (G20) – see the product
rating plate for details.
The boiler can be transformed to use propane gas using a special kit.
Follow the instructions given here below for disassembly:
- Switch off the power to the boiler and turn off the gas cock.
- Remove the panel and casing.
- Lift up and rotate the instrument panel.
- Open the air box cover.
- Unscrew the screws fastening the silencer (A) and remove it.
- Disconnect the mixer gas ramp. Unscrew the clamp screws and
relative mixer springs to fan and then remove it.
- Loosen the plastic Venturi (B) by levering from under the teeth (BE
CAREFUL NOT TO FORCE THEM) and press from the opposite
side until it is completely extracted from the aluminium shell.
- Replace the plastic Venturi with the one contained in the kit.
- Reassemble the mixer with the flap in a horizontal position and
the spacer springs placed at 120° as shown in the figure.
- Reassemble gas ramp working vice versa.
- Switch on the power to the boiler and turn on gas cock again.
- Check the number of times the fan turns.
- Fill in and stick on the accompanying transformation data label.
- Close the air box cover.
- Close up the instrument panel again.
- Reassemble the casing and panel.
Programme the "Gas type" parameter and regulate the boiler fol-
lowing the instructions in the "Adjustments" section.
14
Methane
Liquid gas
gas (G20)
(G31)
45
45
rpm
61
61
M e t h a n e
Liquid gas
gas (G20)
(G31)
12
15
rpm
12
15
Methane
Liquid gas
gas (G20)
(G31)
18
19
g/min
18
19
Methane
Liquid gas
gas (G20)
(G31)
45
45
rpm
45
45
Methane
Liquid gas
gas (G20)
(G31)
9.0
10.0
9.0
10.0
Methane
Liquid gas
gas (G20)
(G31)
9.0
10.0
9.0
10.0
Methane
Liquid gas
gas (G20)
(G31)
33
33
33
33
Transformation must be done by qualified personnel only.
After completing transformation, regulate the boiler again
following instructions given in the specific paragraph and
apply the new identification label from the kit.
Check that flap and Clapet are working correctly (all open
at rated flow, all closed at minimum flow)
RANGE RATED
This boiler can be adapted to the heating requirements of the system,
in fact it is possible to set the maximum delivery for heating operation
of the boiler itself:
- switch off the power supply
- setting the heating water temperature selector at the maximum value
- remove the shell
- turning the instrument panel towards you
- unscrew the two screws of the small cover on the electronic board to
have access to the terminals
- insert JP1 jumper
- power up the boiler.
The display shows "ADJ" for about 4 sec.: it is then possible to change
the maximum heating value by means of the heating water temperature
selector and the CO button in order to set and confirm the desired
value.
The icon
will appear on the display.
Finish the procedure by removing the jumper JP1 to store the set
values.
Once the desired output (maximum heating) has been set, note the
value on the table on the back cover.
For subsequent controls and adjustments, refer to the set value.
The calibration does not entail the ignition of the boiler. By rota-
ting the heating setpoint selector knob, the value expressed in
hundreds (e.g. 25 = 2500 rpm) is automatically displayed.
The boiler is supplied with the adjustments shown in the table.
Depending on plant engineering requirements or regional flue gas
emission limits it is, however, possible to modify this value, referring
to the graphs.
MySMART R.S.I.
%
6400
6000
5600
5200
4800
%
4400
4000
3600
3200
2800
2400
2000
%
1600
1200
800
2
4
6
160
150
140
130
120
110
100
90
80
70
60
50
40
30
20
10
0
2
4
Curva portata termica - giri ventilatore
MySMART 20 R.S.I.
HTG curve (Qnheating)
8
10
12
14
16
18
20
Portata termica (kW)
Heat output (kW)
Curva portata termica - emissioni CO
Caldaia MySMART 20 R.S.I.
CO s.a. curve (Qnheating)
6
8
10
12
14
Portata termica (kW)
Heat output (kW)
22
24
26
28
30
16
18
20
22
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