22
925.220.4 - EN
*/4536$5*0/41&35"*/*/(505)&*/45"--&3
DESCRIPTION OF BUTTON
The
button does not operate as described in section 4.1 (ECONOMY-COMFORT function).
The gas boiler operates when both the programmed time slot and the room thermostat required heating.
By pressing the
button during a room thermostat heating request, it is possible “to forced” a Heating request even if
the programmed time slot does not required Heating. This is a “manual forced“ mode and the display shows the symbol
flashing. This mode terminates at the next “not request” time change over of the time slot Heating.
IMPORTANT:
After installing the remote control, switch the power on to the appliance, making sure that the remote
control works properly.
To wall-mount the remote control, proceed as follows:
1.
Undo the two screws (
a-b
figure 11) fixing the casing to the boiler;
2.
access the terminal block
M2
as shown in the figure 12;
3.
remove the two red wires from the terminals
1-2
and connect the two wires coming from the remote control.
17.2 REMOTE CONTROL WALL MOUNTING
0609_1603
5&3.*/"-#-0$,
M2
TO THE REMOTE CONTROL
Figure 12
A Qualified Service Engineer may adapt this boiler to operate with natural gas (
G. 20
) or with liquid gas (
G. 31
).
The procedure for calibrating the pressure regulator may vary according to the type of gas valve fitted (HONEY WELL or
SIT; see figure 13).
Carry out the following ope rations in the given sequence:
A) substitute the burner injectors;
B) change the modulator voltage;
C) proceed with a new max. and min. setting of the pressure adjusting device.
A) Substitute the main burner injectors
r DBSFGVMMZQVMMUIFNBJOCVSOFSPVUPGJUTTFBU
r TVCTUJUVUFUIFNBJOCVSOFSJOKFDUPSTBOENBLFTVSFZPVUJHIUFOUIFNUPBWPJEMFBLBHF5IFEJBNFUFSTPGUIFJOKFDUPST
are specified in table 1.
B) Change the modulator voltage
r TFUUJOH
F02
parameter according to the gas used as described in section 20.
18. GAS CHANGE MODALITIES
