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auto air ventilation system for base station/ BTS/ communication shelter., DC48V, axial fan, rain cover, safe-guard. - details see: https://www.machineto.com/communication-shelter-dc48v-auto-air-ventilation-system-10246406

Air ventilation system can import clean and cold air to BTS or shelter to cool , and exhaust hot air. And it can work with A/C, instead of A/C for cooling in most time of year. This not only can save energy, but also can longer A/C life time.

l UseDCaxial fan, can choose another type of fan with same size based on requirements.

l Suit for sandwich wall, width is between 70mm and 100m, can customize split type to suit other type of wall.

l Contains air-intake unit and air-outtake unit.

l Choose the number of fan based on size and heat release of BTS/ shelter, 2 pcs or 3 pcs or 4 pcs or 6 pcs. Ventilation of air-outtake unit shall smaller than air-intake unit to avoid negative pressure.

l Air-outtake unit can use nature exhaust method, without DC axial fan. Choose the number of exhaust hole based on requirements, 2 or 4 or 6.

Parameter	Unit	Value
Rating voltage	V	DC 48
Theory ventilation capability per fan	m3/h	400
Speed of fan	RPM	3200
Current per fan	Amp	0.4
Power per fan	W	19.2
Use life per fan @ 40°C	Hours	50000
Size per fan	mm	172x150x51
Work time of damper	number	≥100,000
Ventilation efficiency	%	≥65
Switch time for two groups of fan	Hours	3
Fan work together temp.	°C	43 or 48 (programmable)

Type:

Dimension:

Number of fan	Dimension (unit:mm)
	L1	L2	A	B	h1	h2
2	320	385	452	388	34	410
3	500	385	452	568	34	410
4	500	385	452	568	34	410
6	670	385	452	738	34	410

Nature exhaust fan unit has the same size as above table.

Nature exhaust fan (6 holes)

BTS/ COMMUNICATION SHELTER

.HANGZHOU XINJIAN ELECTRINOC CO., LTD. is a ISO9001 certified manufacturer, and also is a hi-tech company. It has been specialized in designing and producing industrial control solution since 1997. All products are designed and made for the global market, and we’ve offered OEM/ODM service to world-class brands. We have been highly recognized not only for its good quality but also excellent after-dales services both in domestic and international market.