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Any room thermostat or other accessories (such as a timer) are
connected to the system by connecting the electrical cable to the
thermostat plug (c):
• Take the plug (c) out of the electrical panel, open the plug and
remove the jumper between terminals 2 and 3.
• Connect the thermostat electrical cable to terminals 2 and 3 of the
thermostat plug (c).
• Close the plug again and plug it back into the panel.
Warning
Never attempt to switch the heater on or off by connecting
the room thermostat (or other control devices) to the
electrical power line.
The installation and connection of all the other accessories are
described in the specific instructions included with each accessory,
together with operating instructions.
The electrical diagram shown in this manual refers to the electrical
connection only.
4.3. CONNECTION TO HOT AIR DELIVERY DUCTS
The space heater is set to operate with direct distribution of air.
Nevertheless, it can be connected to appropriately sized air
distribution channels, if required, with maximum diameter and
length as shown in the "TABLE OF TECHNICAL CHARACTERISTICS."
Warning
Before starting the heater, check that the direction of
rotation of the fan matches the direction shown on the fan
itself.
The air distribution channels can be connected by using the various
available accessories, placing the connections on the front, side, or
top as required.
4.4. 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.
L-L 229.01-SO
EN
It is good practice for the installer to set up the supply line as
follows:
1: filter-pressure regulator or filter
3: stopcock
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.
4.5. CONNECTING BURNER TO "SNORKEL" DEVICE AND SETTING
COMBUSTION AIR
The burner air intake (3) can be connected outside the room to be
heated in order to suck in clean air and avoid depleting the oxygen
in the room.
The connection pipe must be rigid to prevent shrinking due to air
intake depression. It must have a minimum diameter of 100 mm and
maximum length of 6 metres.
Warning
If the hose is too long, remove the excess without leaving
loops and/or curves which may hinder air suction.
The end part of the suction hose should be connected to a wall
accessory with safety grille to prevent small animals and/or debris
from entering the hose.
Warning
Burner air should be adjusted in accordance with the
indications listed in the "TECHNICAL CHARACTERISTICS
TABLE".
2: antivibration joint
4: gas ramp
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