Distribution boxes
Electrical components
Immersion heater cardAA1
Base cardAA2
Input circuit boardAA3
Electrical anode board*AA8
Miniature circuit-breakerFA1
Motor cut-out**FB1
Temperature limiter/Emergency mode thermostatFD1
* Only heat pump with enamelled vessel.
** 1x230 V, 3x230 V 6-10 kW, 3x400V 5 kW has auxiliary switch
for motor cut-out.
Designations in component locations according to
standard IEC 81346-1 and 81346-2.
7Chapter 2 | The heat pump designF1245