FC221 seires is a fashionable touch key hermostat with full functions like external sensor, key card or window detecting. It’s stand-alone microprocessor with LCD display. The thermostats are designed to on/off (or 0-10V) control fans, motorized valves, dampers in fan coil units or air-conditioners. Models are available for heating/cooling/ventilating control of 2-pipe or 4-pipe fan coil units. Communicating is modbus RS485 for IBM.
7+4 weekly programming
FC221-5DO, on/off valve, 3-speed fan
FC221-2AO3DO, 0-10V modulating valve & 3-speed fan
FC221-3AO2DO, 0-10V modulating valve & DC brushless or EC motor fan
Features:
Fashionable and good designe appearance
Detect and Display Room Temperature
Large LCD display touch screen
External sensor
Cool, heat, ventilating and auto mode
3-speed fan and auto mode control
7+4 periods programming
2-pipe or 4-pipe fan coil unit
Connect 2-wire or 3-wire valves
Key lock function to avoid mistake operation
Celsius (°C)/Fahrenheit (F°) set
Specifications:
| Power Supply: | 24 V = (±10%) | 24 V ~ (±20%) SELV | |||||||||||
| Setpoint Range: | 1-50°C ( Default 16-30°C) | |||||||||||
| Set Unit: | 1°C/step | |||||||||||
| Display Accuracy: | ±0.5°C | |||||||||||
| Display: | LCD display touch screen | |||||||||||
| Mode Setting: | Cool, Heat, Ventilating, Auto | |||||||||||
| Fan Speed Adjust: | Low, Medium, High, Auto | |||||||||||
| Control Performance: | On/Off or 0-10V output | |||||||||||
| Temperature Sensor: | NTC 10K | |||||||||||
| Enclosure: | ABS, pure white | |||||||||||
| Loa current: | 2A (resistive load), 1A (inductive load) | |||||||||||
| Networking: | RS485 Modbus, RTU, half-duplex, baud rate 4.800, 9.600, 19.200 or 38.400, parity: non (2 stopbits), even or odd (1 stopbit) | |||||||||||
| Ambient Condition: | -10°C~50°C, 5-95% RH (non-condensing) | |||||||||||
| Dimension: | 86*86*10.5mm | |||||||||||
| Mounting: | Wall mounted with standard EU box (∮=60mm) | |||||||||||
| Wiring: | Terminal block max. 1.5mm2 | |||||||||||
| Installation hole distance: | 60mm | |||||||||||
| Protection: | IP20 according to EN60529 | |||||||||||
| Weight: | 160g | |||||||||||
Wiring diagram:
1. FC221-5DO networking FCU thermostat on/off type
2. FC221-2AO3DO networking FCU thermostat 0-10V output of valve control, on/off relay for 3-speed fan
3. FC221-3AO2DO networking FCU thermostat 0-10V of valve control and EC fan, 2 on/off auxiliary eletric heater
Shipping:
1. FedEx/DHL/UPS/TNT/EMS for samples, Door-to-Door;
2. By Air or by Sea for batch goods or FCL; Airport/ Port receiving;
3. Customers designated freight forwarders or negotiable shipping methods;
Quality Control & Lead-time:
1.Incoming material inspection;
2.In-line quality control;
3.100% inspection before shipment;
4.Generally within 5-7 days for samples; 35 days for Bulk quantities.
