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HL108 • Digital thermostat

  • Thermostats and humidistats
  • Thermostat
  • Heating, cooling and ventilation
  • Wall

HL108 series thermostats arе stand-alone microprocessor based thermostats with LCD display. The thermostats are designed to on/off control the fans, valves, dampers or electric heaters in fan coil units and heating applications. Models are available for heating/cooling/ventilating control of 2-pipe or 4-pipe fan coil units.

The fan speed can be manually controlled by the fan speed control push button. It is wired to run high/medium/low speed continuously or to automatically change the fan speed

Specifications

  • Attractive modern styling makes this them ideal for locating in the occupied space
  • Digital LCD display of room ambient temperature and user selected temperature setting on demand
  • Adjustable heating/cooling/ventilating mode control
  • Adjustable manual 3-speed or automatic fan speed control and on/off control output for valve
  • Infrared remote control available
  • Backlight function available (optional)
  • Model available for 24 Vac, 85-260 Vac, power input
  • Reliable DC power supply by transformer
  • Reliable output by relays

Mounting

  • Thermostat mounted directly onto a wall or standard junction box

Function

  • Mode: Cooling, Heating and Ventilation
  • Room temperature setting
  • Detect and display room temperature
  • Low temperature protection

Dimensions

  • (W x H x D) mm : 75 x 75 x 25,5

Models

ModelControl modeFan 3-speedApplicationControl capabilitySub-feature
Heat.Cool.Vent.ManualAutoDamper2-pipe 4-pipe2-wire 3-wire Cycling fanAutoNLR
fan coilfan coilmotorized valvemotorized valveChange-overElectric boxBack-litIR
HL108DBE48x48x48mmoptional function
HL108FCV2

Technical data

Power voltage24Vac, 85-260Vac, 230Vac±10%, 50/60 Hz
Setpoint range5 ~ 35°C
Setting unit0.5°C / step
Accuracy±0.5°C
Display65 x 48 LCD
System adjust5 push-buttons for Power, Mode, Fan speed, Up and Down
Mode settingHeating, Cooling and Ventilating
Fan speed selectionHigh, Medium, Low and Automatic fan speed control
Cycling fan controlFan cycled running with thermostat
Control performanceON/OFF control
Differential1°C
Thermostat output SPST relay for 2-pipe configuration
2 SPST relay for 4-pipe configuration
Switch current settingResistive: 2A / 4A, Inductive: 1A / 2A
Temperature sensorNTC Thermistor 100K
EnclosureFire retardant PC ABS
Minimum operational lifeThermostat contacts: 100 000 cycles
Remote controller (optional)Infrared remote control
Backlight Function (optional)blue light
Dimensions86 x 86 x 13 mm (W x H x D)
Hole pitch60 mm
Environmental requirementsOperating temperature range: 0 ~ 40°C
Humidity range 5 ~ 95 % RH (non-condensing)
MountingEmbeded mounting, Electrical box size:
62 x 46 x 24.5 mm (Normal)
48 x 48 x 25 mm (European standard)
WiringScrew-in terminals, each terminal capable of accepting 16 AWG, 18 AWG, 1.25 mm2 or 0.75 mm2 wires
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