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TSHK 681-682 Fan-Coil RTC with Digital Display

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£171.36 (inc VAT) £142.80 (exc VAT)
0.20 KGS
5 days lead time

 Product Description

Enables controlling of HVAC components according to needs and enables automatic switching off in downtimes.


- 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 Details

Power Supply
Power supply 230 V~, approx. ±10%, 50...60 Hz
Setting range 5...30 °C; resolution 0.5 °C
Proportional band 3 K
Display of actual value 0...40 °C; resolution 0.1 °C
Hysteresis Approx. ±0.1...0.5 K
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



Type Operating mode
TSHK681F001 Heating or cooling or heating/cooling; 2-pipe
TSHK682F001 Heating/cooling; 4-pipe



Fitting Instruction

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