BIEMMEDUE SCUDO 235T Manual De Instrucciones página 38

Warning
3-phase models are pre-set for 400V 3-phase operation.
Contact the manufacturer for conversion to a 230V 3-
phase system.
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 DUCTS
4.3.1. 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 "TECHNICAL SPECIFICATION TABLE."
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
accessories supplied, placing the connector head-on to one or more
outlets chosen as needed.
4.3.2. AIR SUCTION DUCTS
The heater can be connected to suction ducts to distribute air from
the room to be heated. These ducts must comply with the maximum
diameter and length specified in the "TECHNICAL SPECIFICATION
TABLE" and must be connected with accessory (A1) (provided), to
be assembled on the centrifugal fan casing.
The centrifugal fan has a panel (B) with a sliding shutter (C) to emit
fresh air for ventilation. The shutter can be set from a minimum
value (position D) to a maximum value (position E).
Warning
Accessory (A) for connecting the air suction duct and
panel (B) with pair flow adjustment shutter (C) can be
assembled on either the right or left side of the fan casing.
L-L 273.01-BM
A1
D1 E1
B1
C1
EN
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.
• Remove the box cover and, with an appropriate tool, eliminate
metal parts A and B by following the pre-cut line already traced on
the cover.
A
• 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;
• Insert the burner and fix it to the plate by tightening the nut
supplied onto the screw G;
• Be careful to correctly position the O-ring when fixing the
connection flange to the gas ramp.
G
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