Heating, Ventilation, and Air Systems (HVAC) (obj 2.4) Flashcards

(11 cards)

1
Q

What does HVAC stand for?

A

Heating Ventilation and Air Conditioning

HVAC systems are designed for indoor environmental comfort.

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2
Q

What is the primary purpose of an HVAC system?

A

Provides temperature control, humidity management, and airflow regulation

It is essential for indoor comfort and the functioning of hardware and networking devices.

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3
Q

Why is temperature control crucial for electronic equipment?

A

Overheating can lead to hardware malfunctions and reduced efficiency

Maintaining a steady temperature is essential for peak efficiency.

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4
Q

What is the typical temperature range for optimal equipment efficiency?

A

68-77°F or 20-25°C

Always check equipment manufacturer’s recommendations for specific temperature set points.

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5
Q

What does humidity refer to?

A

The concentration of water vapor in the air

Correct humidity levels are important for electronic equipment.

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6
Q

What can too much humidity cause in a data center?

A

Condensation, leading to corrosion or electrical shorts

Excess moisture can damage sensitive electronics.

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7
Q

What can too little humidity cause?

A

Static buildup, potentially damaging sensitive electronics

Maintaining a relative humidity level of 40-60% is recommended.

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8
Q

Why is airflow management important in data centers?

A

It is crucial for dissipating heat generated by equipment

Proper airflow management helps prevent overheating or system shutdowns.

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9
Q

What is the ‘Hot/cold aisle’ configuration?

A

A method of air distribution where server racks are positioned in alternating rows with cold and hot air

This maximizes cooling efficiency and reduces energy consumption.

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10
Q

What are some design considerations for data centers regarding HVAC?

A
  • Plan data center layouts with HVAC factors in mind
  • Proper rack spacing and orientation for efficient airflow
  • Use raised floor systems to push cold air upward
  • Configure ceiling plenums to return cooled air

These considerations help ensure optimal performance.

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11
Q

What is the importance of integrating HVAC systems in data centers?

A

Imperative for uninterrupted operation and optimal performance of network and data center equipment

A well-integrated HVAC system supports overall efficiency.

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