Wholesale Chinese modbus lcd 12 volt heater with thermostat

Wholesale Chinese modbus lcd 12 volt heater with thermostat

1). Specification

2). Standard configuration

A, Fan coil unit and motorized valve control;

B, 8 hours automatic timer;

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

D,Color of character displayed: Green;

E,Shell pieces for the silver or white colors.

4). Instruction                                                              

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

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

-Swift key for cooling and heating and timing. Press this key repeatedly, and it would transit from cooling and heating.

Press this key for 3S, and enter the timing mode. When it shows “0” on the screen and keep flashing, press the “∨”“∧”to set the time.

-Wind Speed Key.

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

Auto →high→medium→low

When the fan is on auto condition and the valve is on, the fan would adjusting the three conditions: high/medium/low according to the difference between room temperature and the set temperature.

When the difference is 5 degree, the fan would run in high speed.

When the difference is 3 degree, the fan would run in medium speed.

When the difference is 1 degree, the fan would run in low speed.

When the valve is off, the fan will also turn off.

At Fan High or Medium or Low position, when the valve is on, the fan is running at  high or medium or low position. when the valve is off, the fan keeps on running.

5). Installation

1. If WRT-340 is matched with our WRV-8220 automotive 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 it is matched with WRV-8220A automotive ball valve, there need 6 wires: Live wire, neutral wire, valve open wire, and high, medium, low control for fan coil unit.

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

4. We suggest installing the thermostat after the completion of the interior decoration.

	WRA-53 Series	220v ON/OFF, 3-Point
	WRA-63 Series	220V/110V/24V  ON/OFF, 3-Point
	WVA4-.. Series	220V/24V  ON/OFF, Proportional
	WRA3-.. AC Series	220V/110V/24V  ON/OFF, 3-Point
	WRA-42 DC Series	24V/12V/3V  ON/OFF, 3-Point
	WRA3-.. DC Series	24V/12V/3V, ON/OFF, Proportional

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