IDM-Energiesysteme TERRA 5 S/W H Technical Documentation And Installation Instructions
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T H E P O W E R F A M I L Y(C) IDM ENERGIESYSTEME GMBH Installation TERRA S/W 31123456789101112131234939294brownbrownwhiteDZ (B3 )whiteVolume flowHGL flowVolume flowHeating flowGND12V DC95DZ (B2)Electrical installationElectrical installation4.7.1. Sensor designSensor lines have a cable cross section of 0.75 mm²as standard.The sensor positions are shown in the relevantinstallation diagram. Reliable operation can only beensured by correct positioning and good heat transfer(heat conducting paste).If necessary, the sensors can be extended using asuitable cable. It must be ensured that the connectionis clean and corrosion-freeSensor lines should be run separately from mainscables, (see EMC issue).4.7.2. Sensor equipmentThe following sensors are contained in the scopeof delivery or are already installed and, in any case,required:- Outside sensor, B32- Heat pump heat flow sensor, B 33- Buffer tank sensor (Return sensor heat pump), B39- Heat source outlet sensor, B36- Flow sensor heating circuit A, B51- HW tap - temperature sensor, B42- Hygienik sensor, B41(All other sensors are optional depending on the sys-tem equipment).4.7.3. Flow temperature sensorThe flow temperature sensors for the heating circuitsused are required in every case. They must be con-nected on the corresponding flow lines and in accord-ance with the connection diagram.The flow sensors for the heating circuits C-G are con-nected on the respective heating circuit expansionmodule. (see the installation instructions expansionmodule for more information)4.8. Impulse inputsWhen using flow meters in the heat pump flow tomeasure the heat volume they are connected asfollows:A standard sensor set is included in thescope of delivery for every heat pump.The sensor set is inlaid in the electricalcabinet. |
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