Ballu-Biemmedue FARM 85 Bedienungsanleitung Seite 35

• 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. MOUNTING THE RIELLO GAS BURNER
Warning
Riello gas burners are supplied pre-fit with a nozzle for
natural gas or for LPG.
For the 110 kW model ONLY, you have to install an
additional D 9.0 diaphragm for use with LPG.
• Open the box containing the gas burner, remove it and keep the
two stickers with lot number for later use;
• Consult the user manual of the burner; and fit the burner fixing
screw onto the burner plate according to the instructions
• Secure the burner plate to the machine by using the 4xM8 screws
and the D8 x D24 washers;
L-L 255.00-RK
G
EN
• Insert the burner and fix it to the plate by tightening the nut
supplied onto the screw G;
• F 110 W LPG
OR K MODEL ONLY
assembling the connection flange to the gas ramp as shown in
the following figure
• Be careful to correctly position the O-ring when fixing the
connection flange to the gas ramp.
• Locate the black cable with 7-pin Wieland plug running out of the
electrical panel and insert the plug into the socket H on the
burner;
H
• Remove the burner cover and adjust the air pressure switch to the
value listed in the technical specifications table of the user
manual;
• Adjust the gas pressure switch to 75% of its supply pressure
• Air pressure switch setting: 2 mbar
• Gas pressure switch setting: 75 % P
• Close the burner cover;
• Open the box containing the gas valve group and remove the valve
already secured onto a support plate
: install the D 9.0 diaphragm before
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