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What else can I help you with?
What are the parts of an hvac unit?
There are a lot but some of them are * Fan * Coils * hot water piping * chilled water or refrigerant piping * Pumps * Distribution system(ductwork)
Your consultants are asking you to pass nitrogen through copper pipes while brazing to prevent oxidation inside the pipes. These pipes are for refrigerant. Is this a regular practice?
AnswerPumping nitrogen through refrigerant piping during brazing is an excellent practice. The reason is that nitrogen helps to prevent the buildup of oxide scale on the inside of the pipes during the brazing process. Refrigerant is a natural cleaning agent, and as it is being pumped through the pipes it will pick up the scale and contaminate the refrigerant. It is possible that this will damage to the compressor.
How do you replace map sensor on a 2008 dodge sprinter?
Very tough job. It is on the inside of the intake piping on the front passenger side of the engine. You will have to remove the hoses, throttle body, and the piping to gain access.Very tough job. It is on the inside of the intake piping on the front passenger side of the engine. You will have to remove the hoses, throttle body, and the piping to gain access.
What makes the high side of ac system too high?
Excessive refrigerant charge, or (less likely) a blockage or kink in the high side piping.
Can you install union inside a wall?
If referring to gas piping, NFPA prohibits this.
Where Is the freon located in your ac unit?
Throughout the entire system, inside, outside and in the connecting piping.
What is pipe Dia 20NB?
It means 20mm Nominal Bore or 20mm inside diameter piping.
Is it possible to go from copper to Pex?
It is possible. You'll have to change your piping though.
Does the refrigerant always need recharging when a rooftop condenser unit is replaced?
No, the new condensing unit comes precharged. Once the piping is connected to the new unit , the piping and evaporator coil only needs to be evacuated then open the valves on the new condenser. The condenser comes charged with the proper amount of refrigerant for a 50`or less run of pipe (one way). Longer piping runs may require a small amount of additional refrigerant. But, I have heard recently some supply houses are now selling new R-22 condensers without the precharge (in order to circumvent the EPA regulations regarding R-22). But I would guess that is rare and is with new R-22 units only.
Why is subcooling desirable?
It increases the efficiency of the system since the amount of heat being removed per pound of refrigerant circulated is greater. In other words, you pump less refrigerant through the system to maintain the refrigerated temperature you want. This reduces the amount of time that the compressor must run to maintain the temperature. The amount of capacity boost which you get with each degree of subcooling varies with the refrigerant being used. Subcooling is beneficial because it prevents the liquid refrigerant from changing to a gas before it gets to the evaporator. Pressure drops in the liquid piping and vertical risers can reduce the refrigerant pressure to the point where it will boil or "flash" in the liquid line. This change of phase causes the refrigerant to absorb heat before it reaches the evaporator. Inadequate subcooling prevents the expansion valve from properly metering liquid refrigerant into the evaporator, resulting in poor system performance.
What the difference between process piping and power piping?
What the difference between process piping and power piping?
What are the best practices for installing refrigerant piping insulation to ensure optimal efficiency and performance of the HVAC system?
The best practices for installing refrigerant piping insulation to ensure optimal efficiency and performance of the HVAC system include using proper insulation material, ensuring a tight and secure fit around the pipes, minimizing gaps and overlaps, and protecting the insulation from moisture and physical damage. Proper installation can help prevent energy loss and maintain consistent temperature control in the system.
