WebOn a 404a freezer, the evaporator has a temperature of -18F degree and the sight glass is partially full (i can see a stream of refrigerant at the bottom of the sight glass) the condenser temperature is 96F degree on a 62F degree day.And this is a txv system. Half of the evaporator has ice build up and it started from the txv. Is it under charge? I am concerning … WebWhat is missing is the ambient temp. R-404a at 120F condensing is around 305psig. If it was in the 90's by the condenser then that is a low head pressure. Low head and high suction pressure = compressor problems. Do what the 1st poster said close the suction service valve and see if it will pump down and hold.
R-449A - Refrigerants
WebWhat's the best replacement for the R404A refrigerant in refrigeration applications? ... and blast freezers, there are several options which relate to Article 12 of the EU F-gas regulations. The best choice will depend on the type of application. For further ... Pressure Equipment Directive (PED) 97/23/EC, and Electromagnetic Compatibility ... WebApr 11, 2024 · Ideal Superheat Requirement. For walk-in freezers an ideal evaporator super heat range should be implemented around -30°C (-22°F)to -26°C (-14°F). Moreover; it depends also depend upon indoor humidity level as … novocure news forum
how is the suction pressure for r404a refrigerant if the freezer…
WebApr 20, 2024 · suction pressure and discharge pressure in freezer - temperature and refrigerator+ temperature WebJul 5, 2014 · Most of those small reach in 404a self contained freezers run a low of 10psi and 175 head average. If compressor and suction line is freezing up on you quick may be … WebIf an R404A commercial freezer has design conditions of -20° evaporator ... Assume the above freezer evaporator temperature remains at -20°, but the condenser is designed for a 25° condenser ... 10.5 to 1. Which situation will damage the above freezer compressor quicker, lowering the suction pressure by 5 psig or raising the head ... nick jr little bill when friends get mad