Electrical Resistance And Thermostat - Bosch DOMESTIC HOT WATER HEAT PUMP Technical Manual

2.2 Electrical Resistance and Thermostat

A thermostat control activates the electric resistance of 2kW immerged in the storage tank. This component has a
safety function set at 90ºC, limiting the temperature from an external source (solar, boiler, etc, ...) to 80ºC.
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Pict.12 – Electric Resistance (2 kW)
Pict.13 – Bipolar thermostat interfaces
Pict.14 – Check voltage supply o the thermostat
6720649497 SM HP270-1 2012/09 en
Temperature
adjustment