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Heating Ventilating and Air Conditioning

Heating, ventilating and air conditioning (HVAC) refers to a system used in designing automotive or indoor environmental comfort. It uses ventilation air ducts to provide cooled or heated air to an automobile or a building through outlet vents.

500 Questions

What is coke for in a blast furnace?

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Asked by Wiki User

the Coke supplies carbon monoxide to reduce the ore in a blast furnace and supplies heat to melt the iron.

What terminology is used for a heating system that heats many rooms from one central location?

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Asked by Wiki User

The terminology used for a heating system that heats many rooms from one central location is commonly referred to as a "LPG Heating system". These systems utilize Liquefied Petroleum Gas (LPG) to provide warmth efficiently and effectively throughout multiple areas of a building or home from a centralized source.

What does boiler blowdown means?

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Asked by Wiki User

Boiler blowdown is required to prevent corrosion by removing impurities that contribute to its formation in a steam boiler and to facilitate the generation of pure steam by preventing the carryover of impurities. Why Boiler Blowdown is Required? Proper blowdown procedures are necessary to maintain the solids content of the boiler water within specific limits and to quickly eliminate contaminants if the water becomes contaminated.

How do you install a furnace in a house with a crawl space?

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Asked by Wiki User

To install a furnace in a house with a crawl space, follow these steps:

Assess the Crawl Space: Before installing the furnace, inspect the crawl space for any signs of moisture or damage. Ensure proper ventilation by checking and, if necessary, installing crawl space vents to promote airflow and prevent moisture buildup.

Prepare the Area: Clear the crawl space of any debris or obstacles to create a suitable workspace for installation. Ensure there is adequate space for the furnace unit and access for maintenance.

Install Ductwork: If the house doesn't already have ductwork in the crawl space, install it to connect the furnace to the rest of the HVAC system. Seal all duct joints properly to prevent air leaks.

Position the Furnace: Choose a suitable location for the furnace within the crawl space, considering factors such as accessibility, clearance requirements, and proximity to existing ductwork.

Secure the Furnace: Once the furnace is in position, securely mount it according to the manufacturer's instructions. Ensure it is level and stable to prevent any movement or vibration during operation.

Connect Utilities: Connect the furnace to the power supply and fuel source, whether it's gas, oil, or electricity. Follow local building codes and safety guidelines when making these connections.

Test and Commission: After installation, test the furnace to ensure it functions correctly. Check for any leaks, unusual noises, or malfunctions. Once everything is in working order, commission the furnace for regular use.

By following these steps and ensuring proper ventilation with crawl space vents, you can successfully install a furnace in a house with a crawl space while maintaining a safe and efficient HVAC system.

What kind of head pressure would you experience if the condenser fan motor became inoperative?

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Asked by Wiki User

The compressor would continue to operate until the high pressure safety switch shut it down, if the switch failed the pressure relief device would blow and you would lose all of the refrigerant. As far as how high would the pressure get, the settings on the two devices depend on what type of refrigerant is used and you do not mention that.

Do you check the AC with the compressor running or not running?

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Asked by Wiki User

Checking the air conditioning (AC) compressor is an important step in troubleshooting any issues with your car's air conditioning system. Here are some steps you can take to check the AC compressor:

Visual Inspection:

Start by visually inspecting the AC compressor. Look for any signs of damage, such as oil leaks, loose or damaged belts, or physical damage to the compressor itself.

Belt Tension:

Check the tension of the AC compressor belt. A loose or damaged belt can affect the compressor's performance. Ensure that the belt has the right amount of tension and is not cracked or frayed. learn more

When you burn wood in your fireplace why does the smoke come in the house?

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Asked by Wiki User

When you burn wood in your fireplace, smoke might enter your house due to several reasons:

The damper isn’t open: The damper controls the flow of air and smoke through the chimney. If it’s closed, smoke can’t escape and will come back into the house.

Burning the wrong type of wood: Some types of wood produce more smoke than others. Also, wet or unseasoned wood can cause excessive smoke.

The fireplace has not been used in a while: If a fireplace hasn’t been used for a long time, there could be blockages in the chimney that prevent smoke from escaping.

Fire is too big: A fire that’s too large can produce more smoke than the chimney can handle, causing some of it to spill back into the room.

Flue blockage: Birds’ nests, leaves, or other debris can block the flue, preventing smoke from exiting.

Cracked chimney or gaps in your chimney flue: These can allow smoke to leak into your home.

Backdraft problem due to multiple flues: If you have multiple fireplaces and they share a chimney, using one fireplace could cause a backdraft in another, bringing smoke into the house.

Your house is too airtight: Modern homes are often very well insulated and airtight, which can prevent the necessary airflow for the smoke to draw up the chimney.

It’s important to identify and address these issues to ensure the smoke properly vents outside and doesn’t enter your living space. If you’re unsure, it’s best to consult with a professional.

How do you get air out of auto air conditioning system?

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Asked by Wiki User

Removing air from an automotive air conditioning system is known as "bleeding" or "purging" the system. Here's a general guide on how to do this:

  1. Identify Low Points:

Locate the low points in the A/C system, such as the low-pressure service port and any low spots in the refrigerant lines.

  1. Turn Off the Engine:

Ensure the vehicle's engine is turned off before starting the air bleeding process.

  1. Connect Service Gauges:

Connect A/C service gauges to the high and low-pressure service ports. The low-pressure side is typically used for this procedure.

  1. Open Valves:

Open the high and low-side service valves on the A/C service gauges. This allows refrigerant to flow through the system.

  1. Evacuate Air:

Evacuate air from the system by allowing refrigerant to flow until a steady stream without air bubbles is observed. This is usually done on the low-pressure side.

  1. Check for Leaks:

While bleeding the air, also check for any signs of refrigerant leaks. Leaks can introduce air into the system.

  1. Close Valves:

Once the air is purged, close the high and low-side service valves on the A/C service gauges.

  1. Recharge Refrigerant:

If needed, recharge the refrigerant in the system to the manufacturer's specifications.

  1. Restart the System:

Start the vehicle's engine and turn on the A/C system. Check for proper cooling performance.

Do they have hose less portable air conditioners?

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Asked by Wiki User

Yes, they do have hoseless portable air conditioners. Traditional portable air conditioners typically come with an exhaust hose that needs to be vented outside to expel hot air. However, advancements in technology have led to the development of hoseless or "ventless" portable air conditioners. These units use innovative cooling technologies that eliminate the need for an exhaust hose. Instead of venting hot air outside, they often use alternative methods such as evaporative cooling or self-contained cooling systems. Keep in mind that while hoseless portable air conditioners offer more flexibility in terms of placement, they may have limitations in cooling capacity compared to traditional units with exhaust hoses.

What are the errors in marcets boiler experiment?

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What are the errors in marcets boiler experiment?

What does an actuator in an boiler do?

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Asked by Wiki User

To get Telenor advance balance, dial *0# from your Telenor number. You'll receive Rs 30 as a loan. When you recharge your account next time, the advance balance with tax will be deducted.

Carrier Heat Pump?

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Asked by Wiki User

Carrier is a well-known brand that manufactures heat pumps and other HVAC equipment. Carrier heat pumps are known for their reliability, energy efficiency, and advanced features. They offer a range of models to suit different heating and cooling needs, including both residential and commercial applications.

Carrier heat pumps utilize advanced technologies such as variable-speed compressors, smart thermostats, and zoning systems to provide efficient and comfortable heating and cooling. Some of the features and benefits of Carrier heat pumps include:

  1. Energy efficiency: Carrier heat pumps are designed to provide efficient heating and cooling, helping to reduce energy consumption and lower utility bills.

  2. Quiet operation: Carrier heat pumps are engineered to operate quietly, minimizing noise disruptions in your home or business.

  3. Advanced controls: Carrier offers smart thermostats and control systems that allow you to easily manage and monitor your heat pump's performance, adjust settings, and create personalized schedules.

  4. Zoning capabilities: Carrier heat pumps can be integrated with zoning systems, allowing you to control the temperature in different areas or zones of your home independently.

  5. Durability and reliability: Carrier is known for manufacturing high-quality and durable HVAC equipment, including heat pumps that are built to last.

When considering a Carrier heat pump, it is important to consult with a professional HVAC technician who can assess your specific heating and cooling needs and recommend the most suitable model for your home or business. They can also provide expert installation and ongoing maintenance to ensure optimal performance and longevity of your Carrier heat pump.

How To Install A Heat Pump?

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Asked by Wiki User

Installing a heat pump can be a complex process and it is recommended to hire a professional HVAC technician to ensure it is done correctly. However, here is a general overview of the steps involved in installing a heat pump:

  1. Choose the location: Select a suitable location for the heat pump unit, considering factors such as accessibility, noise, and airflow.

  2. Prepare the area: Clear the area of any obstructions and ensure there is a solid and level base for the heat pump unit to sit on.

  3. Install the indoor unit: Mount the indoor unit on the wall or ceiling according to the manufacturer's instructions. Connect the refrigerant lines, electrical wiring, and condensate drain.

  4. Install the outdoor unit: Place the outdoor unit on a stable surface, such as a concrete pad. Connect the refrigerant lines, electrical wiring, and condensate drain between the indoor and outdoor units.

  5. Connect the ductwork (if applicable): If your heat pump system includes ductwork, connect it to the indoor unit and ensure proper sealing to prevent air leaks.

  6. Test the system: Once the installation is complete, test the heat pump to ensure it is functioning properly. Check for any refrigerant leaks, verify proper airflow, and test the heating and cooling functions.

  7. Set up the thermostat: Install and program the thermostat according to the manufacturer's instructions. Ensure it is properly wired and calibrated.

  8. Final checks: Double-check all connections, tighten any loose fittings, and ensure proper insulation around refrigerant lines. Clean up the work area and dispose of any packaging or debris.

Remember, this is just a general overview, and the specific installation process may vary depending on the type and model of the heat pump. It is always best to consult the manufacturer's instructions or hire a professional for a safe and proper installation.

What is a machine cooling system called?

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Asked by Lolageman1

A machine cooling system is commonly known as a "cooling system" or "cooling mechanism." It is designed to dissipate heat generated by the machine and maintain its temperature within a prescribed operating range. Examples include air cooling systems, liquid cooling systems, and refrigeration-based systems.

What is the best way to clear a clogged condensate drain in a central air conditioner?

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Asked by Wiki User

One of the best ways to clear a clogged condensate drain in a central air conditioner is to use a wet/dry vacuum. Attach the vacuum to the drain line and create a seal, then turn on the vacuum to suck out any debris causing the clog. Another method is to use a wire brush or a long, flexible brush to physically remove the clog by pushing it through the drain line. In some cases, using a mixture of hot water and vinegar can help dissolve the clog and clear the drain.

When i run a ceiling fan counter clock wise what is happening?

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Asked by JosephJohnsonfb5085

When you run a ceiling fan counterclockwise, it creates a downdraft. This downdraft creates a wind chill effect on your skin, making you feel cooler. Additionally, counterclockwise rotation can help to circulate air in the room, keeping the air fresh and preventing stagnation.

How do you insulate ductwork?

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Asked by Wiki User

There are a few ways to insulate ductwork. One option is to use insulation sleeves, which are pre-cut tubes that can be easily slid onto the ducts. Another method is to wrap the ducts with insulation blankets, which are then secured with tape or wire. It's important to choose insulation material with the appropriate R-value for your climate and to properly seal any joints or seams to ensure maximum effectiveness.

Can you work under your father HVAC license?

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Asked by Wiki User

It depends on the laws and regulations of your specific location. In some places, you may be able to work under your father's HVAC license as long as you are an employee of his licensed business. However, in other places, you may need to obtain your own HVAC license in order to work independently or as a contractor. It is best to check with your local licensing board to determine the requirements in your area.

How do you calculate the heating ducts for a house?

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Asked by Wiki User

To calculate the heating ducts for a house, you should consider factors such as the square footage and layout of the house, the insulation levels, the number and size of rooms, and the desired temperature. A professional HVAC contractor or engineer can perform a heat load calculation to determine the appropriate duct size and layout based on these factors to ensure efficient and effective heating distribution throughout the house.

How do you calculate the subcooling in HVAC?

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Asked by Wiki User

To calculate subcooling in HVAC, you need to measure the liquid line temperature and pressure. First, convert the pressure into temperature using a temperature-pressure chart. Subtract the liquid line temperature from the converted temperature to calculate the subcooling. Subcooling is important to ensure the liquid refrigerant leaving the condenser is cooler than its saturation point to prevent the formation of flash gas in the metering device.

Why might a heater not be heating the house?

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Asked by Wiki User

There are several possible reasons why a heater might not be heating the house. It could be due to a malfunctioning thermostat, a problem with the heating element or fuel supply, a blocked air filter, or inadequate insulation in the house. It is best to check these potential issues and, if necessary, seek professional help to diagnose and fix the problem.

Should you leave windows open when using the swamp cooler?

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Asked by Wiki User

Yes, it is recommended to leave windows open when using a swamp cooler. This allows for proper circulation and ventilation, as the cooler draws in fresh air from outside. Keeping windows open also helps to prevent the air in your space from becoming too humid.