Main Appilications

Mainly used to purify bad air in indoors and workshops.

Model and Meaning

Installation Dimension

Product Specification

Model	Air Volume （m3/h）	Power Supply （V/Hz）	Rated Power （W）	Static Pressure （Pa）	Thermal recovery efficiency （%）	Noise（dB） （A）	Weight （Kg）
QC-JHQ-250	250	220/50	50	100	78	31	21
QC-JHQ-300	300	220/50	55	100	75	31	21
QC-JHQ-350	350	220/50	60	110	78	34	29
QC-JHQ-400	400	220/50	80	150	75	35	30
QC-JHQ-500	500	220/50	140	150	78	35	32

Changing Size

Model	A	B	C	D	E	F	G	I	φd
QC-JHQ-250	705	600	267	630	640	840	415	680	150
QC-JHQ-300	705	600	267	630	640	840	415	680	150
QC-JHQ-350	760	725	267	765	765	1065	530	805	150
QC-JHQ-400	760	725	267	765	765	1065	530	805	150
QC-JHQ-500	927	725	292	765	1130	130	435	825	200

Comparison of Long-term Operation Cost between Total Heat Exchanger and Ordinary Ventilation Fan

 

Total Heat Exchanger		Ordinary Ventilation Fan
Power	105kw	Power	29kw
Operation Cost	364.6 Yuan / Year	Operation Cost	100.7 Yuan / Year
Ventilation damage air conditioning operation cost	1041.8 Yuan / Year	Ventilation damage air conditioning operation cost	2472.5 Yuan / Year
Total	1406.4 Yuan / Year	Total	3573.2 Yuan / Year
The difference of operation cost is 2166.8 Yuan / Year

Product Selection—Total Heat Exchanger

No.	Name	Model	Order No.	Picture	Remarks
1	Total Heat Exchanger	QC-JHQ/250
		QC-JHQ/300
		QC-JHQ/350
		QC-JHQ/400
		QC-JHQ/500
2	Filter	C			Accessories

Note: Accessories can be purchased separately

Equipment Operation

1. High quality motor
The fan adopts a low-energy consumption motor that can run continuously for 24 hours a day, with a life of up to 70,000 hours.
2. Chiba fan
The heart of the ventilation fan uses high-performance motors to match high-quality blades and mute technology for efficient use.
3. High efficiency heat exchange
The heat exchanger with new material and heat exchange design can effectively exchange indoor and outdoor heat energy, greatly reducing the loss of heat exchange between indoor and outdoor. Plug-in design, quick and easy to repair or replace.
4. High efficiency filter core
The imported high-quality filter material is used, and the outdoor fresh air is multi-layered and gradually filtered to effectively and scientifically achieve the purpose of air exchange and purification.

Installation and Selection Guide

Design principles of central fresh air system

Modeling

Principle 1: Determining the path of fresh air - Fresh air enters from the living room and is discharged from relatively polluted areas such as toilets, corridors and kitchens. (Fresh air path) Principle 2: Determine the minimum indoor ventilation to meet people's daily needs of fresh air. (ventilation air volume) Principle 3: Ensuring the continuity of the fresh air - fresh air must be continuously supplied 24 hours a day, 365 days a year, according to the first principle and the second principle (Fresh air time)

At present, there are many standards which can be used to calculate the fresh air volume needed to maintain healthy indoor air quality. The international general standard ASHRAE62-1989 stipulates that the indoor fresh air exchange rate per hour is more than 0.35 times, and at the same time it should not be less than 15 CFM (25 CMH) per person. China's indoor air quality code stipulates the new air volume of at least 30CMH per person in the living environment. Required fresh air volume (CMH) = room area (sqm) x net floor height (m) x number of air changes per hour (ACH)

 

Room Type	marginal smoking				light smoking			heavy smoking
	General ward	Gym	Theater / department store	Computer room	Office	Restaurant	Superior room	Conference Room	Superior room
Fresh air demand per person Q （m3/h）	17-24	8-20	8.5-21	40-100	25-62	20-50	30-75	80-125	30-75
Number of Fresh Air Exchange in Room P （times/h）	0.50-1.25	2.50-6.25	1.56-3.66	1.06-2.66	1.06-2.90	1.25-3.13	1.88-4.69	3.13-7.81	1.88-4.69

Hotel		Entertainment		Office		residential
Room Type	Air volume	Room Type	Air volume	Room Type	Air volume	Room Type	Air volume
Hotels/Rooms	30-50	Practice room / gym	60-80	General office	30	General Villa Apartment	30
Reception Room	30-50	Squash / tennis	40	Senior office	30-50	High-level villa apartment	30
Restaurant/Banquet Hall	15-30	Chess room / billiard room	40-50	Conference Room/Reception Room	30-50	Market	10-25
Coffeehouse	20-50	Swimming Pool	50	Telephone switchboard	30	Inpatient Ward	50
Multifunction Room	15-25	Game room	40-50	Computer Room	30	Classroom	11-30
Business Centre	10-20	Leisure/Video Room	20	Copier room	30	Exhibition room	20-30
Lobby	10	Massage Room	30	Laboratory	20-30	Theater	15-25
Beauty salon	35	Internet Bar	70	-	-	-	-
Cabaret /ktv	30-50	Bar	17-50	-	-	-	-
Ballroom	30	Nightclub	20	-	-	-	-
Standard of fresh air volume for different types of buildings in air conditioning environment (fresh air volume: m3/h.in)