Overview
A Fresh Air Ventilation Unit is an essential component of HVAC systems designed to introduce fresh outdoor air into indoor spaces while simultaneously exhausting stale air. These units play a crucial role in maintaining indoor air quality by replenishing oxygen levels, removing pollutants, and controlling humidity levels.
Parameter
|
Size |
unit |
D10 |
D15 |
D20 |
D25 |
D30 |
D35 |
D40 |
D45 |
D50 |
D60 |
D70 |
D80 |
D90 |
D100 |
D120 |
|
Air volume |
m³/h |
1000 |
1500 |
2000 |
2500 |
3000 |
3500 |
4000 |
4500 |
5000 |
6000 |
7000 |
8000 |
9000 |
10000 |
12000 |
|
Power supply |
V/Hz |
380/50 |
||||||||||||||
|
Rated power |
KW |
0.18X2 |
0.22×2 |
0.37×2 |
0.45×2 |
0.55×2 |
0.65×2 |
0.9X2 |
1.2×2 |
1.37×2 |
1.65×2 |
2.2×2 |
2.8X2 |
3.5×2 |
3.5×2 |
4.5X2 |
|
Static pressure |
Pa |
230 |
230 |
280 |
280 |
320 |
320 |
380 |
380 |
470 |
550 |
580 |
580 |
650 |
650 |
650 |
|
Heat recovery efficiency |
9% |
75 |
75 |
75 |
75 |
75 |
75 |
75 |
75 |
75 |
75 |
75 |
75 |
75 |
75 |
75 |
|
Noise |
dB(A) |
50 |
54 |
56 |
58 |
60 |
60 |
62 |
62 |
62 |
64 |
64 |
64 |
68 |
68 |
75 |
Unit Size
Unit:mm
|
Model |
L |
W |
H |
A |
B |
Air outlet |
Air retern outlet |
||
|
C |
D |
E |
F |
||||||
|
AXH-D10 |
1150 |
1030 |
460 |
1210 |
980 |
190 |
120 |
250 |
200 |
|
AXH-D15 |
1150 |
1030 |
460 |
1210 |
980 |
230 |
120 |
300 |
200 |
|
AXH-D20 |
1230 |
1030 |
530 |
1290 |
980 |
260 |
150 |
320 |
250 |
|
AXH-D25 |
1400 |
1230 |
530 |
1460 |
1180 |
290 |
150 |
400 |
250 |
|
AXH-D30 |
1450 |
1230 |
530 |
1510 |
1180 |
300 |
150 |
400 |
300 |
|
AXH-D35 |
1540 |
1300 |
530 |
1600 |
1250 |
370 |
150 |
450 |
300 |
|
AXH-D40 |
1600 |
1300 |
530 |
1660 |
1250 |
380 |
150 |
450 |
300 |
|
AXH-D45 |
1650 |
1500 |
620 |
1710 |
1450 |
270 |
220 |
500 |
300 |
|
AXH-D50 |
1700 |
1500 |
620 |
1760 |
1450 |
350 |
200 |
500 |
320 |
|
AXH-D60 |
1800 |
1600 |
650 |
1860 |
1550 |
430 |
200 |
630 |
350 |
|
AXH-D70 |
1900 |
1600 |
750 |
1960 |
1550 |
350 |
260 |
630 |
400 |
|
AXH-D80 |
1950 |
1600 |
750 |
2010 |
1550 |
430 |
260 |
630 |
500 |
|
AXH-D90 |
1950 |
1700 |
1000 |
2010 |
1650 |
400 |
260 |
800 |
400 |
|
AXH-D100 |
1950 |
1800 |
1000 |
2010 |
1750 |
400 |
260 |
800 |
500 |
|
AXH-D120 |
1950 |
2000 |
1240 |
2010 |
1950 |
480 |
260 |
800 |
630 |
details
- Adopting double-layer high-quality Baosteel galvanized sheet, with polyurethane foam inside, effective sound insulation and heat insulation, aluminum alloy frame, and external protective film to prevent transportation collisions
- Snap on maintenance door for flexible replacement of heat exchange core body
- Aluminum signage for easy maintenance in the later stage
- Insulated junction box, safer, optional steel
- Channel steel base with reserved lifting holes for easy installation
- Ultra low silent external rotor fan with sufficient air volume, optional for 220V or 380V
- Sealing strip for sheet metal connection, gluing, enhancing sealing strength, and effectively improving purification efficiency
- Pull out bag type medium efficiency F6, high purification level, easy to replace
- Full heat or sensible heat recovery device, efficient and energy-saving

Key Features of Fresh Air Ventilation Units
- Air Exchange: Fresh air ventilation units facilitate the exchange of indoor and outdoor air, ensuring a constant supply of fresh air while expelling stale air and pollutants from the building.
- Filtration: Many ventilation units are equipped with air filters to remove dust, pollen, allergens, and other airborne particles from the incoming air, improving indoor air quality.
- Heat Recovery: Some ventilation units feature heat recovery systems that recover heat from the outgoing air and transfer it to the incoming fresh air, improving energy efficiency and reducing heating costs.
- Humidity Control: Advanced ventilation units may include humidity control features to maintain optimal humidity levels indoors, preventing issues such as mold growth and moisture damage.
- Energy Efficiency: Fresh air ventilation units are designed to be energy-efficient, with features such as variable-speed fans, energy recovery systems, and programmable controls to minimize energy consumption.
Quiet Operation: Noise-reducing features are often incorporated into ventilation units to ensure quiet operation, making them suitable for use in noise-sensitive environments such as offices, schools, and healthcare facilities.
Applications of Fresh Air Ventilation Units
- Residential Buildings: Ventilation units are commonly installed in homes and apartments to ensure a constant supply of fresh air and improve indoor air quality.
- Commercial Buildings: These units are used in offices, retail stores, restaurants, and other commercial spaces to provide fresh air ventilation and maintain a comfortable indoor environment for occupants.
- Healthcare Facilities: Hospitals, clinics, and medical offices rely on ventilation units to provide clean and healthy indoor air for patients, staff, and visitors.
- Educational Institutions: Schools, colleges, and universities utilize ventilation units to ensure proper ventilation and air quality in classrooms, libraries, and other learning spaces.
- Industrial Facilities: Ventilation units are used in factories, warehouses, and manufacturing plants to provide fresh air ventilation and remove airborne pollutants generated during production processes.



FAQ
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