Electric connections
Before making connections, remove the terminal protection guard (keep it
together with the fastening cross-slotted screw).
Connecting the heating or air-conditioning system
Connect the two wires of the heating or air-conditioning system to the terminals
1 and 2, as shown in the figure.
Terminals are suitable for flexible cables with screw 2.5 mm
ENGLISH
Protection guard fastening screw
max section.
2
Terminal 4 is free and may be used for signalling or other use, as necessary.
Neutral Phase
LOAD
LOAD = burner - circulation pump
Warning: Make sure the relay load value is not exceeding the values specified
in «Technical data».
40
Chronothermostat relay
terminal block