Safety Thermostat Location For Reset In Hp270-3; Sensors Connection - Bosch HP270-2 Technical Manual

Bimetallic type with contacts
normally closed
Temp. activ. ≈ 90ºC
Attention: manual reset can only be
done if contact temperature is < 30ºC
(open tap to cool down circuit and
activate Purg)
Pict.17 – Safety Thermostat location for reset in HP270-3
Cable of sensors
Fins temperature
Bottom temperature
sensor
connector (HP270-2)
White
Blue
Discharge temperature
connector (HP270-3)
Air temperature
Blue
sensor
Top temperature
sensor
Black
Black
PCB
Connector
Pict.18 – Sensors Connection
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