Gas Conversion; Warnings; Procedures - Biasi GARDA HE SYSTEM M96.28SR/P User Manual And Installation Instructions

8

GAS CONVERSION

8.1

Warnings

The commissioning of this boiler and sys-
tem must only be undertaken by a pro-
fessionally qualified person in accordance
with the requirements of the Gas Safety In-
stallation and Use Regulations and be ap-
proved by C.O.R.G.I.
Components used to adapt it to the type of gas
available must be genuine parts only.
8.2

Procedures

1 Check that the gas cock (12 in Fig. 9.3) fitted
under the boiler is turned off and the appliance
is switched off at the mains isolating spur.
2 Remove the front panel of the case (see the
section General access and emptying hydraulic
circuits in the service manual).
3 Take off the lid of the sealed chamber.
4 Take the front panel of the combustion
chamber off and remove the burner (24 on
page 9). See section Ignition and detection
electrodes in the service manual for detailed in-
structions.
5 Carry out the conversion for the type of gas, re-
placing the burner injectors correctly.
6 Re--- assemble the burner, the front panel of the
combustion chamber and the lid of the sealed
chamber.
7 Switch on the appliance at the mains isolating
spur.
8 Turn the boiler OFF positioning the function se-
lector 7 as indicated in Fig. 8.1.
9 8
Fig. 8.1
9 Disconnect the C.h. temperature probe NTC
21 in Fig. 8.2
36
21
Fig. 8.2
10 Keep pressed the reset button 6 for about 10
seconds until the lock--- out signal lamp 5
blinks.
11 Connect the C.h. temperature probe NTC 21 in
Fig. 8.2
12 Press the reset button 6 repeatedly (4 times)
until the lamps 9 give the indication as in
Fig. 8.3 (gas type mode).
Fig. 8.3
At this step it is possible to visualize the current set-
ting by keeping the reset button 6 pressed for
more than 5 seconds. The lamps 9 will flash a
number of times corresponding to the setting of
the knob 8 in Fig. 8.4.
Gas type
NATURAL
7 6 5
GAS
Fig. 8.4
Where:
L.P .G.
Setting No.
Lamp OFF
Lamp ON
8