General specs
Connection Specification Notes
L 230V AC / 50Hz mains voltage Required
N 230V AC / 50Hz mains voltage Required
1 Relay normally closed 3A max.
2 Relay common 3A max.
3 Relay normally open 3A max.
T1 12V DC power output to Nest Ground
T2 12V DC power output to Nest Positive
Maximum cable thickness =
2mm²
Note: T1 and T2 have no polarity at the thermostat.
Wiring specs
33
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