The EVBoiler internal wiring design and component overview

 

The EVBoiler internal wiring design and component overview

T1- the thermostat for the DC power heating
T2 - the thermostat for the 230V AC power heating
TP - the overheat protecting thermostat
S1 - the 230V AC grid voltage indicator
S2 - the DC power heating indicator
S3 - the 230V AC power heating indicator
St1 - the contactor for the solar DC power heating
St2 - the contactor for output for the DC power
R1 - the 230V AC heating element
R2 - the DC power heating element (solar)

Note: the EVBoiler must be powered from the 230V AC to have the DC contactors operating. In off-grid installation you need to have an auxiliary 230V AC power supply (e.g. from a DC/AC inverter).


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