Fresh Air Ventilation Duct Air Conditioner

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Introduction
The fresh air ventilation duct air conditioner uses direct evaporation of the refrigerant to adjust the temperature of the outdoor air and bring it closer to that of the indoor air. With a balanced and easy air supply design, the indoor air quality is significantly improved through a more simplified design. The unit's energy efficiency has also been improved due to a special condensing heat recovery technology that solves frosting issues prevalent in cold weather. The unit can be operated 24/7, and achieve an air purification, humidification, dehumidification and oxygen increase in order to satisfy various customer requirements.

Parameters

Model Project			WMV200L	WMV300L	WMV400L	WMV500L	WMV600L	WMV800L	WMV1000L
System			Indoor unit
Unit characteristics	Refrigerating capacity	kW	15.3	19.0	25.3	31.8	39.5	52.0	65.0
	Heating capacity	kW	8.5	9.1	14.5	18.0	22.8	29.8	41.5
	Noise	dB	52	56	64	65	66	68	69
	Humidification	Type	Electrode humidification / Wet film humidification / Steam humidification
	Refrigerant control		Thermal expansion valve /Electronic expansion valve
	Air filter		Special air filter
Air supply system	Fresh air volume	m³/h	1500	3000	4000	5000	6000	8000	10000
	Outside residual pressure of blower	Pa	120	180	190	220	250	300	350
	Motor power	kW	0.45	0.8	0.8×2	1.5×2	1.8×2	2.2×2	3.0×2
Exhaust system	Exhaust air volume	m³/h	〉1.0~1.03 Blower air flow
	Outside residual pressure of exhaust fan	Pa	120	150	150	150	300	300	350
	Motor power	kW	0.45	0.8	0.8×2	1.5×2	1.8×2	2.2×2	3.0×2
Heat recovery	Type		Total heat recovery unit
Heat recovery	Heat exchange rate		50%~75%
Outline size	Length	mm	1450	1450	1850	2550	2550	1850	2550
	Width	mm	890	890	990	900	900	1750	1750
	High	mm	1680	1680	1680	1680	1680	2555	2635
System			Outdoor unit
Unit characteristics	Power Supply		380V/3N/50Hz
	Compressor Type		Totally enclosed scroll type / Variable frequency compressor
	Compressor quantity		1	1	1	1	1	1	2
	Input power	kW	4.82	6.8	7.2	10.8	11.5	15.8	17.8
	Weight	kg	80	150	175	220	230	270	350
Outline size	Length	mm	995	995	1170	1440	1440	1808	1808
	Width	mm	400	400	690	800	800	980	980
	High	mm	935	935	965	965	965	1220	1220

Feature
● Cold range: 10kW-156kW
● Air volume range: 700-15600m³/h
● Static pressure of outer plane: 50-400Pa
● Ambient working temperature: -15℃-55℃
● The unit has a wide application range, particularly in places with high noise emissions and inconvenient installation areas where a rooftop unit is the most suitable.

1. The fresh air ventilation duct air conditioner uses a ventilation mode to detect the temperature of outdoor fresh air in determining if it will operate or remain off, thus saving significant amounts of energy.

2. The unit's piping is as long as 120 meters and vertically 40 meters (the outside machine is on the top), which ensures the unit is reliable under various conditions to ensure the efficiency.

3. The long distance air supply can meet the demands of long distance air supply needs, the installation position of the unit is more flexible, and the ability to adapt to the scene is stronger.

4. The variable frequency compressor can be customized according to customer requirements.

5. The unit uses a combined control system of electronic expansion valve and thermal expansion valve, which make the unit is more reliable under the temperatures of -15℃ -55℃ and the rate of energy efficiency can reach 5.5.

6 The unit can be continuously operate under the temperatures of 35-55℃ during the summer season.

7. An air enthalpy difference controller can automatically control the fresh air between 0%—100%.

8. The unit has multi-protection functions, including fault protection, lack of reverse protection, overload and overheating protection, high temperature, high and low pressure protection, and more.

9. The unit carries a programmable controller to achieve self-diagnosis.

10. The unit carries control interface and protocol to achieve remote monitoring.

11. The unit can work without any auxiliary heating above -10°C and the low temperature unit can stably operate above -25°C.

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