Service And Maintenance; Adjustments - Ferroli DIVA D C24 Instructions For Use Manual

3. Service and maintenance

Important
All adjustment, conversion, commissioning and maintenance operations des-
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cribed below must only be carried out by Qualified Personnel (meeting the pro-
fessional technical requirements of current regulations) such as the personnel
of the Local After-Sales Technical Service.
FERROLI declines any liability for damage and/or injury caused by unqualified
and unauthorized persons tampering with the unit.

3.1 Adjustments

Gas conversion
ALL COMPONENTS DAMAGED DURING CONVERSION OPERATIONS MUST
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BE REPLACED.
The unit can operate on natural gas or LPG and is factory-set for use with one of these two gases, as clearly shown on
the packing and on the data plate. Whenever a gas different from that for which the unit is arranged has to be used, the
special conversion kit will be required, proceeding as follows:
1. Disconnect the boiler power supply and close the gas cock.
2. Replace the nozzles at the main burner, fitting the nozzles specified in the technical data table in cap. 4 "Technical
data and characteristics", according to the type of gas used
3. Switch the boiler power on and open the gas cock.
4. Modify the parameter for the type of gas:
• put the boiler in standby mode
• press the DHW buttons details 1 and 2 - fig. 1 for 10 seconds: the display shows "b01" flashing.
• press the DHW buttons details 1 and 2 - fig. 1 to set the parameter 00 (for natural gas operation) or 01 (for LPG
operation).
• press the DHW buttons details 1 and 2 - fig. 1 for 10 seconds.
• the boiler will return to standby mode
5. Adjust the minimum and maximum pressures at the burner (ref. relevant paragraph), setting the values given in the
technical data table for the type of gas used
6. Apply the sticker contained in the conversion kit, near the data plate as proof of the conversion.
40
cod. 3542B920 - Rev 00 - 11/2022
DIVA D C24
EN