Conversion To Another Type Of Gas; Commissioning - Virtus 70/80 BRE Serie Instalación, Uso, Mantenimiento

- Install a mechanical filter and a shut-off valve
upstream of the appliance in an easily accessible
point.
- Make sure the water circuit is free of ferrous
particles before connecting the filter and the
appliance.
-
Seal any unused connectors with a plug.
- Once the appliance has been installed, check for gas
leaks at the connection points.
CONNECTION TO THE WATER DRAIN
The water drainage system must be made using
materials resistant to temperatures of 100 °C. The
bottom of the appliance must not be subjected to
steam produced by drainage of hot water.
Install a siphoned fl oor drain with grating below
the water drain cock of Boiling pans and in front of
Bratt pans.
8. CONVERSION TO ANOTHER
TYPE OF GAS
Table Tab1 specifies:
-
which gas can be used for the appliance.
- the nozzles and settings for each gas that can be
used.
For nozzles, the number indicated in table TAB1 is
also stamped on the body of nozzles.
To convert the appliance to the local gas type,
follow the instructions given in TAB1 andcarry out
the steps below:
Replace the main burner nozzle (UM).
Adjust the main burner's air regulator to distance A.
Replace the pilot burner nozzle (UP).
Adjust the pilot burner air " ow (if necessary).
Replace the gas valve minimum nozzle (Um).
Affix the adhesive tab indicating the new type of
gas used.
The nozzles and adhesive tabs are supplied with the
appliance.
REPLACING THE NOZZLE AND THE MAIN BURNER
PRIMARY AIR REGULATION
- Remove the front panel.
- Remove nozzle UM and replace it with the one
indicated in table TAB1.
- Retighten nozzle UM.
- Slacken screw V and position the air regulator at
distance A as indicated in table TAB1.
- Retighten screw V fully.
- Reassemble all parts. For assembly, proceed in
reverse order.
REPLACING THE PILOT BURNER NOZZLE
- Remove the front panel.
- Undo connector R.
- Remove nozzle UP and replace it with the one
indicated in table TAB1.
- Retighten connector R. Reassemble all parts.
- Following, in reverse order, the sequence used for
their removal.
9.

COMMISSIONING

Following installation, conversion to a different
type of gas or any maintenance operations, check
appliance operation. In the event of any
malfunction, consult
Troubleshooting " .
GAS APPLIANCES
Switch on the appliance as directed in the
instructions and reminders for use given in Chapter
" INSTRUCTIONS FOR USE " and check:
-
the gas supply pressure (see next Paragraph).
- the correct ignition of the burners and the
effectiveness of the fumes removal system.
CHECKING THE GAS SUPPLY PRESSURE
- To measure the gas supply pressure use a
manometer with a minimum definition of 0,1 mbar.
- Remove the control panel.
- Remove the screw from on pressure test point PP
and connect the manometer to the test point.
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the next Paragraph "