Conversion To Another Type Of Gas - Gastro M 70/40 GRACQE Serie Installation-Emploi-Entretien

Install upstream of the equipment in an easily
accessible place, an all-pole disconnecting device
with a contact gap of allowing full disconnection
under the conditions of overvoltage category III.
A flexible rubber cable with insulation specifications
not lower than type H05 RN-F must be used for
connection.
Connect the power supply cable to the terminal
board as shown in the wiring diagram supplied with
the appliance.
Secure the power supply cable with the cable
clamp.
Protect the power supply cable on the outside of
the appliance with a rigid plastic or metal pipe.
If the power supply cable is damaged, it must be
replaced by the manufacturer or his service centre
or by a person with similar qualifications to prevent
any risk.
THE SYMBOL " HIGH VOLTAGE" IS
PLACED ON A PANEL THAT GIVES ACCESS
TO A PART WITH HIGH VOLTAGE.
PROTECTIVE EARTH
CONNECTIONS
Connect the appliance to an efficient ground circuit.
Connect the earth conductor to the terminal with
the symbol next to the main terminal board.
Connect the metal structure of the appliance to the
equipotential node. Connect the conductor to the
terminal with the symbol
the bottom.
CONNECTION TO THE WATER SUPPLY
- The appliance must be connected to a potable
water supply. The water inlet pressure must be
between 150 kPa and 300 kPa. Use a pressure
reducer if the inlet pressure is above the maximum
permitted level.
- 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
AND EARTH BONDING
on the outside part of
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 floor drain with grating below the
water drain cock of Boiling pans and in front of
Bratt pans.
7. 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 control 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 MINIMUM ADJUSTMENT SCREW
Remove the control panel.
Remove nozzle UM and replace it with the one
indicated in table TAB1.
19