Diamond BRET/2G-R Notice D'utilisation Et D'installation page 5

Gas connection
The appliances operates on the following gases : Butane G30, Propane G31, natural gas
G20/25 and at all pressures encountered on mains gas. Connection is with a ½ threat
The appliances are supplied from the factory with a Butane/Propane injector corresponding to
category 112Esi3+.
The heat output of the appliance is :
Connect the appliance to the gas supply pipe, interposing a stop valve which enables the
appliance to be isolated from the rest of the installation. Check that the setting correspond to
the type and pressure of the gas distributed in the installation.
Check the supply pressure with all the burners alight using a gas manometer. This should be
the same as indicated on the identification plate.
The fresh air flow required to provide air for combustion is :
350G /400G
350GD/400GD
General conditions for installation
The installation and maintenance of the appliance must be carried out in accordance
with the current regulations and rulebook, in particular :
Regulations for the prevention of fire and panic in establishments to which the public
is admitted.
General provisions:
For all appliances:
Article GZ Installations using combustible gases and liquid
hydrocarbons
Next, depending on the use :
Article CH Heating, ventilation, refrigeration, air conditioning and the
production of steam from hot water in sanitary installations.
Article GC Installation of appliances to be used for catering
Specific provisions for each type of establishment to which the public is admitted
(hospitals, shops, etc...)
Changing the gas
Important : Do not rebore the injectors.
350G / 400G 3.2kW
350GD/400GD 6.4kW
6.4 m3/h
12.8 m3/h
Table of gas categories, according to country of destination of the appliance
Country of destination Category
France/Luxembourg II2E+3+
II2E+3B/P
Germany II2ELL3B/
Austria II2H3B/P
Belgium I3+
I2E+
Sweden/Denmark/Finland II2H3B/P
Spain II2H3+
II2H3P
Netherlands II2L3B/P
II2L3P
Norway I3B/P
Iceland/Greece/UnitedKingdom/
II2H3+
Italy/Portugal
Injector no. Gas
Injector n°1 G30/G31
Injector n°2 G30/G31
Injector n°3 G20/G25
Injector n°4 G25
Injector n°5 G25
Injector n°6 G31
Air adjustment
Diagram showing measurement of the air adjustment mark in the table
Gas Pressures Diameter
of injector
G20/G25 20/25 135
G30/G31 28-30/37 90
G20/G25 20/25 135
G30/G31 50 75
G20 20 135
P G25 20 150
G30/G31 50 75
G20 20 135
G30/G31 50 75
G30/G31 28-30/37 90
G20/G25 20/25 135
G20 20 135
G30/G31 30 90
G20 20 135
G30/G31 28-30/37 90
G20 20 135
G31 50 85
G25 25 140
G30/G31 30 90
G25 25 140
G31 50 85
G30/G31 30 90
G20 20 135
G30/G31 28-30/37 90
Pressures
Butane/Propane 28-30/37
Butane/Propane 50
Natural gas 20-25
Natural gas 25
Natural gas 20
Natural gas 50
Air
collar
2
16
2
16
2
2
16
2
16
16
2
2
16
2
16
2
16
2
16
2
16
2
2
16
Diameter
90/100
75/100
135/100
140/100
150/100
85/100