This is a tutorial HVAC video about Basement Car Parking Ventilation or Jet fan systems regarding operation sequence Part 2 in Urdu/Hindi language. It is basic learning information about car parking system design and mechanical ventilation used in basements for high-rise buildings. This is an important video for HVAC or MEP technical staff or beginners. Here sharing my experience and knowledge that will be helpful to learn & grow for Junior Engineers & Technical staff. If you find anything which is inappropriate then convey it in the comments for my information and rectification in the future.

I have explained in detail the following points:
1. Quick review of Part-1 Car Parking Ventilation Jet Fan System?
2. Goal of Mechanical Ventilation System in Basement.
3. Types of Mechanical Ventilation Systems Used in Basements.
4. Main components of the car park jet fan system?
5. Operation Sequence on Demand Control System (DCS).
5a. Variable Speed Drive (VSD) Control System.
5b. Double Speed Control System.
6. Operation Sequence on Timer Switch.
7. Operation Sequence on Cars capacity.

You can watch relevant videos by the following links:
1. Basement Car Parking Ventilation Jet Fan System, Part-1
Link: https://youtu.be/VJ_E41nTDyM
2. Basement Car Parking Ventilation, Part-3 Placement of Jet Fans
Link: https://youtu.be/Y0OAyerM1VQ
3. Basement Car Parking Ventilation, Part-4 Calculation of Air Flow
Link: https://youtu.be/iWHd6JWb9K8

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