ELECTRICAL CONECTIONS
POWER SUPPLY
The thermostat can operate at 50 Hz and at 60 Hz, and the voltage tolerances are 230V ± 20%.
CONECTIONS
Two wire power supply AWG18 (Cable section: 05 mm² to 1,5 mm²) connected to 230 VAC (L+N) terminals.
485 serial, Shielded and twisted pair AWG 20/22 and with drain wire connected to GND. Connected to board and
thermostat terminals. Maximum length = 500 m.
ATENTION – To avoid possible electromagnetic interferences separate as much as you can the power and signal
cables. Never insert in the same cable conduits, including ones of the electrical panel boards.
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