BIEMMEDUE SP 35 Manual De Instrucciones página 34

• The burner is not pre-adjusted by the manufacturer and must be set
according to data reported in Table of Technical Characteristics of
the user manual: follow the instructions in the manual to complete
the connection of the machine to the gas supply system and for
commissioning
Warning
Check all threaded connections on the gas line.
When commissioning, check for any gas leaks or seepages
using soap and water
4.5. CONNECTION TO FUEL SUPPLY
Warning
The heater must be installed, set up, and used in
compliance with all applicable regulations.
Warning
Before installing, check the gas supply conditions required
for the type of gas chosen and for the EU country of
installation (Tables I and II).
The gas supply pipe must be properly sized, conform to the installed
thermal power, and guarantee the necessary conditions for gas
supply.
Warning
The gas supply pressure must be guaranteed during heater
operation and not with the heater off.
The space heater has a gas ramp with: gas filter, pressure regulator,
safety electrovalve, work electrovalve, pressure stabilizer, pressure
valve.
It is good practice for the installer to set up the supply line as follows:
1: filter-pressure regulator or filter
3: stopcock
L-L 319.02-BM
EN
2: antivibration joint
4: gas ramp
Parts (1), (2) and (3) are available as accessories and are not supplied
with the heater.
When the line has been connected:
• Bleed the gas supply pipe;
• Check that the gas pipe is sealed.
• Open the gas stopcock and check the seal of all connections to the
heater.
4.6. CONNECTION TO EXHAUST DUCT
Exhaust ducts must be in steel and conform to EN 1443.
Efficient combustion and trouble-free working of the burner depend
on efficient flue draft.
The unit must be connected to the chimney flue in compliance with
current legal regulations and in line with the following guidelines:
• The path of the flue pipe smoke should be as short as possible and
should slant upwards (minimum height 1 m);
• There should be no sharp curves in the pipes, and the diameter of
the pipes must never be reduced;
• there must always be a wind deflector to prevent the entrance of
rain and to prevent smoke from being blocked by the wind;
• flue draft must at least equal the level in the Technical
Specifications.
• every heater must have its own chimney;
The following diagrams show possible flue positions:
4.7. FIRST START-UP
Before starting the heater, consult Tab. I or Tab. II to identify the work
category made compulsory by European and national reference
standards and corresponding to the country of installation.
Warning
If the work class is incorrect, you will have to convert and
recalibrate the burner.
Warning
To convert the burner from natural gas to propane/butane
mix, follow the instructions carefully and first check the
burner model.
A) Minimum 1 m
B) As short as possible
C) Minimum 1 m
D) Chimney draught H shape
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