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T8078C1009

T8078C1009

Digital controller for individual zone control of terminal units in fan coil and air conditioning systems, with great applications flexibility. The...

Product Description

Digital controller for individual zone control of terminal units in fan coil and air conditioning systems, with great applications flexibility. The controller provides position control of valves or dampers (for airside control), and is capable of mounting on a switching sub-base for manual control of the fan speed.
The controller can be configured (with dipswitches) for the following applications:
  • Heat / Cool changeover
  • Cooling only
  • Cooling + optional 2 stages On/Off Heating
  • Heating only
  • Heating + optional 2 stages On/Off Cooling
  • Heating + Cooling Sequence Control

Technical Properties

Protection class IP30
Temperature element NTC100k
Control functions dipswitch settings for:
  • PI Modulating (3-position)
  • PI On/Off
  • thermal actuator control using TPM (=Thermal Predictive Modulating)
  • proportional band
  • zero energy band
Optional inputs remote sensor, remote setpoint adjustment, heat/cool changeover, energy savings contact
Temp. setpoint range 15 ... 30 oC
Control output signal 2 triacs for 1 valve open/close; 2 triacs for 2nd valve open/close or 2 on/off stages; max. load 8 VA /triac (24 V)
Power supply 24 Vac | 1.2 VA
Housing (HxWxD) 83 mm | 83 mm | 40 mm
Additional Descriptions
  • easy system check with LED and PC-output port
  • easy commissioning with automatic valve pulsing
  • periodic valve excercise and synchronisation
  • remote sensor auto-detect