Sime MURELLE HE 110 R ErP Manual De Instrucciones página 78

4 USE AND MAINTENANCE
4.1 GAS VALVE (fig. 16)
The boiler is supplied as standard with a
gas valve, model SIT 822 NOVAMIX (fig. 16).
EV1
KEY
1 Upstream pressure intake
2 Downstream pressure intake
5 Shutter
6 OFF-SET
4.2 GAS CONVERSION (fig. 17)
This operation must be performed by
authorised personnel using original Sime
components.
To convert from natural gas to LPG or vice
versa, perform the following operations
– Close the gas cock.
– Replace the nozzle with OR (1) and gasket
(2) with the one supplied in the kit.
– Inspect all the gas connections using
soapy water or relevant products. Do not
use naked flames.
– Apply the nameplate with the new gas
flow layout.
– Calibrate the maximum and minimum
pressures of the gas valve following the
instructions provided in paragraph 4.2.2.
5
4.2.1 New fuel configuration
5 5
For access to the installer's parameters,
press simultaneously keys
5 seconds (3 fig. 12).
The parameters will scroll up and down
3
with the keys and
The display pane will show the values of the
1 1
parameter PAR 1.
If the boiler is a methane (G20) model, SET
5
68 will be displayed.
2
2
To change the fuel to propane (G31), it is
necessary to set SET 70, by pressing the
3
4
key .
1
The standard display will automatically
78
2
ATTENTION: Before performing any work on the boiler, make sure
that the same and its components have cooled in order to prevent
the risk of burns due to high temperatures.
EV2
5
6
2
1
Fig. 16
return after 10 seconds.
The table below shows the SET settings to
enter when the type of gas fuel is changed.
METHANE
PROPANE
5
(*) In case of installation with polypropyle-
ne flue gas manifold with clapet valve.
3
3
and for
4.2.2
1
1
3
.
Measure the CO
analyzer.
2
2
Sequence of operations:
1) Press and hold the button down for a
4
4
few seconds
4 2) Press the button for a few seconds
3) Identify the CO
2
1
GAS MODEL PAR 1
Single (110 R ErP)
(G20)
69 (*)
Sequence/cascade
Single (110 R ErP)
(G31)
71 (*)
Sequence/cascade
Calibrating the gas valve
pressures
values with a combustion
2
5
5
3
.
1
1
values at max. power by
2
2
2
4
adjusting the shutter (5 fig. 16):
MAX power
CO (Methane)
2
9,0 ±0,3
5
68
4) Press the button for a few seconds
3
.
1
5) Identify the CO
values at min. power by
2
adjusting the OFF-SET regulation screw
(6 fig. 16):
70
2
MIN power
CO (Methane)
4
2
5
9,0 ±0,3
6) Press the buttons several times to
5
check the pressures
ge them if required.
1
7) Press the button
the function.
1
2
4.4 DISASSEMBLING
THE SHELL (fig. 19)
2
To simplify maintenance operations on the
boiler, it is also possible to completely
remove the shell, as shown in figure 19.
3
.
Turn the control panel to move it forward
and be able to access the internal compo-
nents of the boiler.
Fig. 17
CO (Propane)
2
10,2 ±0,3
CO (Propane)
2
5
10,2 ±0,3
3 3
and chan-
1
3
once more to quit
2
4
4
4