HL2023 Series (WiFi/Modbus optional)

Digital Display Thermostat/ Fan Coil Controller/ Digital Controller

The HL2023 series thermostat is an all-in-one digital fan coil thermostat with a clear and easy to read LCD display. The digital controller can turn on/off fans, valves, dampers or electric heaters to set and maintain temperature in buildings.

Models are available for the 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 continuous operation or automatic speed adjustment.
The thermostats provide RS-485 communicating interface and MODBUS protocol for system integration. The thermostats can be controlled locally, by master controller or BAS.

● Attractive modern styling
● Digital LCD display shows current temperature and set temperature
● Adjustable heating/cooling/ventilating mode control
● Adjustable manual 3-speed or automatic fan speed control and on/off control output for valves
● Infrared remote control available(Optional)
● Backlight function available
● RS-485 communication interface and MODBUS protocol for system integration.(Optional)
● Thermostat can be mounted directly onto a wall or standard junction box
● Model available for 24Vac, 85-260Vac power input
● Reliable DC power supply by transformer
● Reliable output by relays

● Cool, Heat and Vent.
● Room Temperature Setting
● Detect and Display Room Temperature
● Low Temperature Protection
● Backlight function available(optional)
● Manual/Auto Fan Speed Changeover
● Remote Control (Optional)

● Temperature Sensor: NTC
● Accuracy: ±1℃
● Set-point Range: 5~35℃
● Dispaly Range: 0~55℃
● Ambient Temperature: 0~45℃
● Humidity: 5~95% RH(Non-condensate)
● Button: Touch-key
● Self Power: < 1 W
● Power Supply: AC85~260V,50/60Hz
● Wiring: 2×1.5 mm2 or 1×2.5 mm2
● Switch Current Rating: 2 A(Resistive), 1 A(Inductive)
● Housing: PC
● Dimensions: 90×90×15.5 mm(W×H×D)
● Hole Pitch: 60 mm(Standard)
● Protection Class: IP 30