Lamborghini Caloreclima ERA 31 S Manual De Instalación Y Mantenimiento página 33

GAS TYPE CONVERSION
The ERA 31 S boilers are intended to operate with methane gas or with LPG, on request.
If you have a methane ERA 31 S and you want to use it with LPG, order the relevant kit for conversion from
methane gas to LPG.
BOILER
ERA 31 S - S PK
Conversion from Methane to LPG:
- Remove the burner cover (27)
- Replace the burner jets according to the technical data table (page 9)
- Unloose the two nuts of the stud bolts fixing the burner unit (25)
- Unscrew the 4 screws fixing the valve to the gas feeding pipe
- Move valve and burner as forward as possible
- Screw the diaphragm supplied in the LPG conversion kit on the free thread upstream of the gas valve
- Place valve and burner into position and fix the two stud bolts to fasten the burner unit
- Assemble the burner cover again (27) and the two pipe leads (30-31)
- Screw the 4 screws fixing the valve to the gas feeding pipe
- Check the seal of this junction using a manometer
- Exclude the pressure reducer by screwing it tight.
- Check the upstream pressure through the pressure intake mounted on the gas feeding pipe and adjust the
plant pressure reducers so as to have the pressure indicated in the technical data table (page 9)
- Check that pressure to the burner corresponds to what indicated in the technical data table (page 9)
- Seal the pressure regulator
- Stick the label "Boiler adjusted for LPG" on the existing one
Conversion from LPG to Methane:
- Replace the burner jets
- Adjust the burner pressure according to what
indicated in the technical data table (page 8)
- Seal the pressure adjusting screw
- Stick the label "Boiler adjusted for METHANE"
on the existing one
°
N /ø JETS
4/1.85
DIAPHRAGM
3.6
33