42
3.2 GAS CONVERSION
Only qualifi ed professionals are authorized to carry out the operations described.
The product warranty does not cover any alterations due to non-qualifi ed personnel.
The min and max gas operating pressures are factory pre-set: under normal circumstances any
adjustment is not required during installation.
Failure to correctly assemble the components according to these instructions may result in a gas
leak or explosion.
The gas conversion procedure is made of four steps:
•
gas orifi ce replacement;
•
selection of the diff erent type of gas on PCB;
•
air intake pipe replacement
(ONLY for AIR/PROPANE)
•
check operation.
3.2.1 GAS ORIFICE REPLACEMENT
1.
Disconnect the electrical power,
2.
Turn off the gas supply.
3.
Remove 4 screws securing the front panel. Remove the
front panel.
4.
Locate orifi ce cover plate on top portion of gas valve. (Fig. 1)
5.
Remove 3 screws securing orifi ce cover plate. (Fig. 1)
6.
Remove the plastic orifi ce from the housing. (Fig. 2)
7.
Install the new inner and outer gasket on the orifi ce (Fig.
2)
8. Install new orifi ce into housing.
9. Check the gas type displayed on the orifi ce
Red Orifi ce: G31
White Orifi ce: G20
Yellow Orifi ce: G230
10.
Confi rm gasket is correctly in place. Groove side of gasket
must be facing outwards. Reinstall orifi ce cover plate using
3 screws to secure it to gas valve.
11.
Turn on the power and gas, then inspect gas leaks.
3.2.2 PCB SETTING PARAMETERS
1.
Locate PCB Board (lower right side of unit).
2.
Locate two push buttons (“
A
” and “
B
”) on the PCB Board.
3.
Press the “
A
” button for 1 second.
4.
Use
(Up) and
(Down) arrows on the controller to select setting “9”.
5.
Once setting “09” is selected, use the “On/Off ” button to change the selection. Select:
Parameter “09A” for G31 (Propane)
Parameter “09b” for G30 (GPL)
Parameter “09C” for G20 (NG)
Parameter “09d” for G230 (Air/Propane)
6.
To exit the parameters, press the “
A
” button on the PC board for 1 second.
IMPORTANT
Fig. 1
WARNING
Cover
Plate
Outer
Gasket
Orifice
Inner
Gasket
Grooved side of
gasket must be
facing outwards
Fig. 2