FC221 Touch key fan coil thermostat with Modbus and external sensor or key card
Home Products Fan Coil Thermostat

FC221 Touch key fan coil thermostat with Modbus and external sensor or key card

FC221 seires is a fashionable touch Screen thermostat. 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. 

7+4 weekly programming

FC221-5DO,  on/off valve, 3-speed fan

FC221-2AO3DO, 0-10V valve & 3-speed fan

FC221-3AO2DO, 0-10V valve & EC motor fan



Description

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.

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