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Table of Contents
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Introduction ............................................................................................................................ 2
1 Brief product description ...................................................................................................... 2
2 Installation .............................................................................................................................. 2
2.1 Electrical connections .............................................................................................................. 2
3 Operating modes .................................................................................................................... 4
3.1 Frost protection operating mode............................................................................................... 5
3.1.1 Electric frost protection heater .................................................................................................. 5
3.1.1.1 Electric frost protection heater with PTC heating element ........................................................ 5
3.1.1.2 Electric frost protection heater with resistance heating element ............................................... 6
3.1.2 Brine-defroster ......................................................................................................................... 7
3.2 Supply heater operating mode ................................................................................................. 7
3.2.1 Electric heater battery .............................................................................................................. 7
3.2.2 Water supply heater ................................................................................................................. 8
3.3 Ground pipe diverter (Valve for ground heat exchanger - ground pipe diverter valve) .............. 9
Appendices:
Appendix 1: Wiring diagram BUS thermostat
Appendix 2: Technical data BUS thermostat
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