Installation; Operating Modes; Temperature Setting - Fantini Cosmi C83 Manual

INSTALLATION

• Unscrew front and back case with a screwdriver, than take off the front case (fig. 1)
• Open relay case with screwdriver and take off the relay case (fig. 2)
• Connect all wires properly (NC=normal close, NO=normal open, COM=common,
S1­S2=terminals of the remote switch for the temperature reduction) (fig. 3, 8 e 9)
• Cover the relay case and screw it properly with screwdriver (fig. 4)
• Mount and fix back case in the wall with screwdriver (fig. 5)
• Install 2x1,5 Vdc LR03 AAA (fig. 6)
• Cover front case and back case properly (fig. 7)
SWING
It's possible to choose two positions for the
jumper pin which fix the swing: 0,4 or 0,6°C.
The function is available only after RESET.

OPERATING MODES

The thermostat always work in the continuous operating mode to the comfort tem­
perature in the heating mode (the thermostat switch on/off the boiler).
When the boiler is on, will appear on the display the symbol

TEMPERATURE SETTING

Set the comfort temperature through directly push on the display:
• Push the display, the display willa come blue back light for 15 seconds
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