Catalog excerpts
Product data sheet TSHK 681, 682: Fan-coil room-temperature controller, with digital display How energy efficiency is improved Enables controlling of HVAC components according to needs and enables automatic switching off in downtimes. Features • LCD of the room temperature or setpoint, with two buttons (±) for adjusting the setpoint • Output for heating or cooling depending on connection type, or change in direction of travel with external switch • With main switch for mains power supply and slide switches for three fan speeds • Suitable for wall mounting or fitting on recessed junction boxes • Electronics unit and switching relay • Quasi-continuous temperature control • Two-point pulsed activation • Individual unitary temperature control in residential and business rooms for activating e.g. electric heating systems, thermal actuators, or fans or cooling units in air-conditioning systems. Technical data Power supply Setting range 5...30 °C; resolution 0.5 °C Display of actual value 0...40 °C; resolution 0.1 °C Shortest switching interval Approx. 18 min (E = 0.5) Time constant in still air 20 min Dead time in still air 2 min Time constant in moving air (0.2 m/s) 15 min Dead time in moving air (0.2 m/s) 1 min Ambient conditions Admissible ambient temperature 0...55 °C Housing Pure white (RAL 9010) Housing material Fire-retardant thermoplastic (fire clas sification UL94 HB) Baseplate Black thermoplastic with NTC sensor Cable inlet At rear Screw terminals For wires of up to 2.5 mm2 Type of protection IP 30 (EN 60529) Protection class II (IEC 60730) Energy class I = 1 % 1) 10% more voltage results in: P-band = approx. 4 K, switching period = 15 min, actual-value reduction = approx. 0.5 K 2) The device is pulsed electronically. When the temperature increases, the control factor falls to zero at the “Heating” output and rises to E = 1 at the “Cooling” output. A small temperature variation of ±0.1...0.5 K occurs as a result of pulsing, depending on the time constant of the room ^SAUTER Right of amendment reserved © 2015 Fr. Sauter AG
Open the catalog to page 1Product data sheet Overview of types Type Operating mode TSHK681F001 Heating or cooling or heating/cooling; 2-pipe Accessories Type Description 0362238001 Cable-type sensor, 4 m long, made of PVC, for external temperature measurement (max. 50 m) 0362239001 Pure white intermediate cover plate, suitable for various recessed junction boxes Description of operation The room temperature is measured by an internal NTC temperature sensor and compared with the setpoint applied. Depending on the temperature deviation, an electrical switching relay is pulsed. When the setpoint is reached,...
Open the catalog to page 2Product data sheet Connection diagrams TSHK 681 TSHK 681 Dimension drawing Fr. Sauter AG Im Surinam 55 CH-4016 Basel Tel. +41 61 - 695 55 55 www.sauter-controls.com Right of amendment reserved © 2015 Fr. Sauter AG
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