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Quick Details

Type: HVAC Systems
Brand Name: China
Certification: CE, Rohs
Size: 86*86*12
color: sliver or black
Model Number: 200pcs
Place of Origin: China (Mainland)

Specifications

It has 3 models as below:

FC221W-5DO, 

FC221W-2AO3DO

FC221W-3AO2DO
FC221W WiFi smart touch key thermostat of FCU with Modbus RS485


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:  90-265Vac, 50/60Hz
Setpoint Range: 1-50°C ( Default 16-30°C)  
Set Unit: 1°C/step
Display Accuracy: ±0.5°C 
Display: 64x41mm LCD display, white backlight
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: Fire proof-ABS, sliver moon
Loa current: 250V load max. 3A
Networking: RS485 Modbus-RTU, baud rate 4800, 9600, 19200 or 38400, parity: non, even or odd 
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: 170g

Wiring Diagram:

1. FC221W-5DO Wi-Fi and networking FCU thermostat on/off type

FC221W WiFi smart touch key thermostat of FCU with Modbus RS485