Lotus BR-50-78G Instructions Pour L'installation Et L'utilisation page 13

For nozzle replacement, front panel must be removed. After release M5 bolt insert air regulation (Fig. 3,
note 2), with wrench no.13 unscrew original nozzle (Fig.3, note 3) and screw back new nozzle. Then is
necessary set new value for air regulation (Fig.3, dimension "A"). Dimensions for gas are shown is table of
technical specifications for burners. Also is necessary get change nozzle of pilot burner (Fig.4, note 5).
With wrench no.10 you need disassembly pipe for pilot burner and eject out. The nozzle is located among
last part of the pipe and pilot burner.
After the exchange and re-mounting supply pipes, it is necessary to check out the sealing of
connections.
Pressure adjustment:
Pressure is measured with a manometer with the required sensitivity. Connect manometer after unscrewing
air sealed bolt into required location (Fig.5, note 8). Pressure adjustment screw is accessible after removing
the cap (Fig.5, note 5). The pressure is set to the value given in the table of technical data burner (page
10). After the measurement is necessary to screw the bolt back and check the sealing.
Important:
After what was done adjusting the appliance to another type of gas, it is necessary to change the gas
indicated on the technical plate located in a visible location on the side of the device.
Commissioning and device check
• After connecting the device on the gas, water and electricity, the entire installation and operation of the
device must be tested
• Particularly check the following :
- Check that all connections have been made by the installation instructions presented
- Check that are observed and complied with all applicable standards and health & safety
regulations and legislation and guidelines
- Check appliance for gas leak
- Check tightness of inlet water
- Check ignition burners
- Check the stability of the flame
- In case of change of equipment to another type of gas modify the identification gas tag which is located
below the gas inlet (Fig. 1 G)
13