Winner Ball Valves Co.,Ltd

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4 Pipe Fan Speed Control Digital Room Thermostat Coil Unit Control AC220V Modbus RS485 Fan

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Winner Ball Valves Co.,Ltd
City:changsha
Province/State:hunan
Country/Region:china
Contact Person:MrLeon Liang
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4 Pipe Fan Speed Control Digital Room Thermostat Coil Unit Control AC220V Modbus RS485 Fan

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Brand Name :WINNER
Model Number :WRT-3710N
Certification :CE
Place of Origin :CHINA,HUNAN
MOQ :1pc
Price :negotiable
Payment Terms :L/C, T/T, Western Union
Supply Ability :3000+ per month
Delivery Time :5-8 work days
Packaging Details :carton box
Type :Thermostat
Color :White
Application :4 pipes,FCU
Power supply :24VAC/110VAC/220VAC
Warranty :18 months
Display :LCD display
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4 Pipe Fan Coil Unit Control AC220V Modbus RS485 Fan Speed Control Room Thermostat

1). Specification

Temperature setting range: 0~40℃

Temperature display range: 0~40℃

Fan speed: High, Medium, Low, Automatic

Temperature sensing: NTC thermostat (10K)

Relative humidity: 90%RH

Environment temperature: -10-50℃

Power voltage: AC AC230V±10% 50/60Hz

Electrical parameters: AC250V 3A

Power: <1.5W

Protect range:IP30

Size:86mm×86mm×15mm

2). Standard configuration

A,Fan coil unit and motorized valve control;

B,18 hours automatic timer;

C,Fan coil unit wind speed conversion--. High, Medium, Low, Automatic;

D,Backlight Color: Blue or green;

E,Built-in initial setting temperature is 25℃

F,Transfer function between Fahrenheit degree and Celsius degree;

G,Temperature range setting function: The lowest and the highest temperature are limited.

H,Networking function

3). Function

1.Can adjust freely during 0℃~40℃,and display the indoor temperature. The indoor temperature can also displayed even thermostat in power-off condition;

2.18 hours automatic timer power on/off;

3.4 regular Fan speed adjustment mode

4.Can connected to 2 wire or 3 wire motorized valve (2 way or 3 way) or air damper;

5.Cooling and heating mode;

6.Press “Heat/Cool” key and then “∧” key within 1S, you can set the ceiling temperature while heating, press “Heat/Cool” key and “ ∨ ” key within 1S, you can set the floor temperature while cooling.

7.Optional function: 1) Power-down memory function, If power-on again after accidental power-down, it can save the last working stat

4). Instruction

1. “Power” -Click this key, the thermostat is on. When press again, it is off.

2. “∨”and“∧” -Temperature setting key. Press “∨” once,the setting temperature would reduce and press “∧” once,the setting temperature rise 1℃.

3. “M” -The key for cooling/heating and timing. Press this key repeatedly, and it would transit from cooling/ heating. Press this key 3s, then Timer, Press the “∨” “∧”to set the time. Press “∨” key set time to 0 if you want to cancel the set time.


Heating
→Cooling

4. “FAN” -Wind Speed Key.

Press this key repeatedly and set auto, high, medium, low, auto condition. The fan state changes when press this key.

Under the heating/cooling condition, the operation mode of fan is as follows:




4 Pipe Fan Speed Control Digital Room Thermostat Coil Unit Control AC220V Modbus RS485 Fan
Autohighmediumlow

5. When the power is off, press “M” key, and then press “∧”within 1S, it will setup to limit temperature of Heating.

6. When the power is off, press “M” key, and then press “∨”within 1S, it will setup to limit temperature of Cooling.

7.℃ and ℉ - When the power is off, press “M” key, and then press “Fan” within 1S, can be changed between ℃ and ℉.

Network control function

RS485 Interface Parameters:

Communication Way: Half-duplex communication Baud rate: 9600 bps

Communication Protection: Prevent lightning protection

Connection Thermostat sets: ≤64 sets (Single bus connection)

Network Cabling Way: parallel cabling way Terminal resistance: 120Ω

Communication distance: ≤500 meter

MODBUS Interface Protocol:

Adopting CRC16 Efficacy Yards

Packet format: Address- Feature code-Data quantity-No.1…No.n-CRC High efficacy

-CRC Low efficacy

Data bits, format: 1 Start bit+8 Data bit+1 Odd efficacy+1 stop bit

Address Range: 0~255 Data range: 0~255 Broadcast address: 0 Address

Functional Specification

In normal Internet connection, networking symbols will be displayed in the screen;

With the function of remote locking the thermostat keys, switching machine in local place is available;

5). Installation

1. If thermostat is matched with motorized ball valve, there need 7 wires: Live wire, neutral wire, valve open wire, valve off wire, and high, medium, low control for fan coil unit.

2. If only to control fan coil unit, there need 5 wires: Live wire, neutral wire, and high, medium, low control for fan coil unit.

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