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• Secure the gas valve group to the machine using the M8 and M5
screws.
• Remove flange D with seal E previously assembled on the burner
cover and insert it by sliding it on the gas delivery pipe.
• Connect the stainless steel flexible hose to the gas valve selector
group, taking care to properly insert the N gas seal:
• Locate the cable with Wieland plug running out of the gas valve
group and insert the plug into the burner socket;
• Close the burner cover;
• 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.
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
2: antivibration joint
3: stopcock
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.
In case of connection of heater to natural gas, the installation shall
conform with local codes or, in the absence of local codes, with the
National Fuel Gas Code ANSI Z223.1/NFPA 54 and the Natural Gas
and Propane Installation Code, CSAB149.1.
In case of connection to a propane supply cylinder:
(a) the installation must conform with local codes or, in the absence
of local codes, with the Standard for the Storage and Handling of
Liquified Petroleum Gases, ANSI/NFPA 58 and the Natural Gas
and Propane Installation Code, CSA B149.1.
(b) to determine size and capacity of the cylinder(s) and for any
specific requirements consult your LP gas supplier. In any case
propane tank should not be lower than 100 lb (90 liters)
(c) the cylinder supply system shall be arranged to provide for
vapour withdrawal from the operating cylinder;
(d) the gas shall be turned off at the propane supply cylinder when
the heater is not in use;
H
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