Cantherm JUMBO 400 Instruction Manual page 9

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 "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.
4.4. MOUNTING THE RIELLO GAS BURNER
Warning
Riello gas burners are supplied pre-fit with a nozzle for
natural gas and a gas selector valve for switching from
natural gas to propane or viceversa (see paragraph 4.8).
• Remove the box cover and, with an appropriate tool, eliminate
metal parts B by following the pre-cut line already traced on the
cover.
B
• Take flange D with seal E and assemble them on the burner cover
by using the self-threading screws supplied.
L-L 265.00-BM
EN
D - E
• 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;
• Open the box containing the gas valve group + the gas selector
valve group
• Connect the gas selector valve group to the burner (use sealant
approved for gas connection on thread L)
L
• Insert the burner and fix it to the plate by tightening the nut
supplied onto the screw G;
• Locate the black cable with Wieland plug running out of the
electrical panel and insert the plug into the socket H on the
burner;
G
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