410a is a type of refrigerant that is widely used in air conditioning and heat pump systems. It is a blend of two hydrofluorocarbons (HFCs),…
Category: Refrigerants
R404A, a hydrofluorocarbon (HFC) refrigerant blend, is a commonly used refrigerant in commercial and industrial refrigeration systems. Its performance is heavily dependent on maintaining proper…
If you’ve received a complaint from a client that their freezer is not reaching standard temperature, it’s essential to check the refrigerant levels and the…
As an HVAC technician, it is crucial to have a comprehensive understanding of the pressure characteristics of refrigerants used in different systems. In this article,…
R404A is a refrigerant commonly used in cold rooms and freezers, designed for large-scale users such as supermarkets and storage centers. In this article, we…
In the HVAC industry, the operation of cold rooms that work with gas R404A as a refrigerant is crucial for large-scale users such as supermarkets…
Leaks are detected by a leak-detecting halide torch (see Fig. 5-6). Some torches use alcohol for fuel and produce a colorless flange. When a methyl…
Leaks are detected (in small amounts of ammonia) when a lit sulfur candle is used. The candle will give off a very thick, white smoke…
Leaks can be detected with a soap solution if there is internal pressure on the part to be tested. When carbon dioxide is present in…
To detect sulfur dioxide leaks, an ammonia swab may be used. The swab is made by soaking a sponge or cloth tied onto a stick…