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What is the correct suction pressure when charging a freezer using Refrigerant 134a?
Negative 30 psi should do it.
What is the low side pressure of a freezer using R 404A refrigerant?
if room tem is 70f 15psi
What is the correct suction pressure when charging a true freezer using refrigerant 404a?
frezer not frezing hi side 250 psi low side 45 psi
Can i replace r404a with r134a?
No, you cannot directly replace R404A with R134A, as they have different properties and applications. R404A is a blend designed for low-temperature refrigeration, while R134A is typically used in medium-temperature applications, such as automotive air conditioning. Using R134A in a system designed for R404A could lead to inefficiency, inadequate cooling, and potential damage to the system. Always consult with a professional technician before making refrigerant changes.
How do you charge a walk in cooler with R404?
To charge a walk-in cooler with R404a refrigerant, you will need to connect a refrigerant cylinder to the system using a manifold gauge set. Open the cylinder valve and slowly add the necessary amount of refrigerant into the system according to the manufacturer's specifications. Be sure to monitor the system pressures and temperatures as you charge it to ensure that it is properly charged.
What is the running pressure of car airconditioning suction and discharge pressure using 134a refrigerant when operating?
35suction pressure in 1000 rfm
What is the correct suction pressure whin charging a chiller using refrigerant 134a?
926.5
Why using low pressure tube in air cond?
If your talking about an Orifice tube?, It is used to convert high pressure refrigerant to low pressure refrigerant which then enters the evaporator. As the blower motor pushes warm air thru the evaporator, the refrigerant turns from a liquid to a gas which cools the air.
When did VW start using R-134a refrigerant?
please give me pressure knowledge for refrigerator
How is the refrigerant cylinder pressure kept above the system pressure when a system is being charged with vapor from a cylinder?
The refrigerant cylinder pressure is kept above the system pressure by regulating the flow of refrigerant from the cylinder into the system. This is typically achieved using a charging hose with a metering device or valve that controls the rate of flow. By adjusting the flow rate, the pressure in the cylinder can be maintained higher than the system pressure during charging.
Why is refrigerant not used for pressure test?
Refrigerant is not used for pressure testing because it is a specialized fluid used for cooling and is not an ideal medium for detecting leaks in a system. Refrigerant can be harmful to the environment if it leaks out, so using a different type of fluid, such as nitrogen or a specific leak detection solution, is preferred for pressure testing purposes.
What is unlikely to affect refrigerant charge accuracy Ac compressor failure to calibrate the scale not accounting for refrigerant hoses using pressure reading to determine corr?
Ac compressor
