Pragati Electrocom Private Limited Pragati Electrocom Private Limited
Pragati Electrocom Private Limited
An ISO 9001:2015, 14001:2004, OHSAS 18001:2007 Certified Company
Pragati Electrocom Private Limited Pragati Electrocom Private Limited Pragati Electrocom Private Limited



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Free Cooling System

Free Cooling System
Free cooling is an economic method of using low outside air temperature to cool the inside air of an equipment room. This helps in saving energy by reducing running time of Air conditioner fitted in the equipment room. The solution can be deployed for the telecom shelters with or without having provision for air conditioners. We provide these Free cooling systems with great efficency. We are a leading manufacturer of Free Cooling System.

The system senses shelter temperature, ambient temperature and relative humidity. Based on the logical conditions, it provides suitable outputs in the form of 48V DC supply to ventilator fans and PFC for air conditioner operation.

When (Tin> Temp set) & { (Tin-Tamb). Temp Diff Set} & (RH,Set RH), 48VDC is available at Output-1 and 2 to run two fan arrays. Simultaneously, PFC condition is available to keep air-conditioners (if deployed) in off position.

When (Tin-Temp Set) & {(Tin-Tamb)>Temp Diff Set} & (RH.Set RH), 48V DC is not available at Output-1 and 2 to run two fans but PFC condition is available to keep air-conditioners (if deployed) in on position. Air conditioners take care of humidity control while in free cooling option, ingress of humidity is limited by the offered system.
Free Cooling System
Features
1. Reduces Electric tariff of 25-25%
2. Reduces wear & tear of Air-conditioners due to very less operation
3. Very low Power Consumption around 100-200w
4. It monitors shelter inside, outside temperature & outside humidity
5. Controller allows AC operation only is case outside temperature is high and humidity is within specified limit.
6. Free Cooling increases the life of batteries and other Electronic Products
7. Long service intervals
8. Remote monitoring through TCP/IP and modem (Optional)
9. Inbuilt AC Controller

Specifications :
Inpit Voltage 24/ 48V DC
Sensing Temperature inside shelter (Tin)
Temperature outside shelter (Tamb)
Humidity outside shelter (Tamb)
Output 24/ 48 VDC for 2 fans PFC for Aircon Switching
Indications Blue- Processing Green- Fan on Green- Aircon on Red- RH High Red- Shelter temp. high
LCD Display (16*2) Company Name
Date, Time
RH, Tin & Tamb
Settable Parameters Date, Time
Tin Set
Tdiff Set
RH Set
Size (HXWXD) 250 mm*220 mm*50mm
Mounting Wall Mountable
Weight 1.5 Kg approx
Ambient temp c ° Min / max -25/60

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