Applications for heat pump systems
Application and output signal, DIP switches, diagram
• 1-stage compressor ON/OFF
(heating or cooling)
• 1-stage compressor with electric
heater (heating or cooling)
ON/OFF
• 1-stage compressor ON/OFF
(heating and cooling)
Y1 Heating or heating / cooling
B1 Return air temperature sensor or external
room temperature sensor (optional)
Y2 Cooling valve actuator
B2 Changeover sensor (optional)
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Siemens RDF301, RDF301.50..., RDF600KN CE1N3171en
Building Technologies Semi flush-mount communicating room thermostats 2014-05-23