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; <br /> TR <br /> r», <br /> The Steca TR 0301 was the first controller on the market to be <br /> equipped with a graphic display, on which an animated solar <br /> circuit of a solar energy system fully indicates the operating <br /> status of the system. <br /> The clearly arranged display ensures easy operation using <br /> pictograms. The controller was jointly designed with an in- <br /> ternationally renowned design centre. The controller is used J� <br /> for monitoring and controlling solar thermal systems with ♦~^+""Y" <br /> one collector array and one storage tank. In addition, the <br /> controller performs important system monitoring and safety <br /> functions to ensure safe and long- lasting operation of the en- <br /> tire system. The numerous additional functions of the Steca <br /> TR 0301 also include a maximum storage tank temperature <br /> function, a tube collector function, an anti - freeze function, <br /> a holiday and storage retool function as well as a choice of �I ■ICI ■ICI ■ICI ■I �� <br /> temperature indications in either degrees Celsius ( °C) or Fah- <br /> renheit ( °F). The operational safety of the system is supported <br /> by a sophisticated fault diagnosis. The multi - coloured LCD <br /> backlighting ensures quick and safe location of occurring er- — I; <br /> rors and facilitates quick troubleshooting. ® I I <br /> • <br /> 117 9 <br /> System voltage 230 V (- 15 %), 50 Hz <br /> optional 115 V (± 15 %), 60 Hz <br /> Own consumption <_ 1 W <br /> Inputs 3 <br /> 3 x temperature (P11000) <br /> Output 1 <br /> 1 x switch output relay (R1), <br /> max. 800 W (230 V) <br /> Turn -on temperature difference 8K <br /> Turn -off temperature difference 4 K <br /> Ambient temperature 0 C .. +45 C <br /> Degree of protection IP 20 / DIN 40050 <br /> Dimensions (X x Y x Z) 134 x 137 x38 mm <br /> Weight 250g <br /> '.. <br /> Technical data at 25 C / 77 F <br /> p <br />