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TSHK 621-643 Fan-coil Room Temperature Controller

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£68.42 (inc VAT) £57.02 (exc VAT)
0.20 KGS
5 days lead time

 Product Description

Enables controlling of HVAC components according to needs.


- Variable room temperature as setpoint based on printed temperature scale
- Changeover from heating to cooling via switch or type of connection
- ON/OFF toggle switch for mains voltage, plus other slide switches for operating mode and fan, depending on the type
- More constant room temperature due to thermal feedback
- Suitable for wall mounting or fitting on recessed junction boxes
- Setpoint adjuster with mechanical min. and max. limitation of the setting range
- Two-point pulsed activation
- Individual unitary temperature control in residential and business rooms for activating, for example, 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
Proportional band 3 K
Hysteresis Approx. ±0.1...0.5 K
Shortest switching interval Approx. 19 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
TSHK621F001 Heating/cooling; 2-pipe
TSHK642F001 Heating only/cooling only; 2-pipe
TSHK643F001 Heating/cooling; 4-pipe



Fitting Instruction

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