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What should the high and low pressures be for 404A refrigerant on a walk in cooler?
low 50 to 60 and high 250 to 300
Is 404a freon compatible with any other freon?
No.
What is the property of refrigerant 404A?
what is suction pressure of r407a
Can R22 be used with 404A refrigerant?
No, refrigerants cannot be blended.
Define a zeotropic refrigerant blend and give an example?
In a zeotropic blend, the blends boil out at different temperature but at the same pressure. typical example is R704
What should the sub cooling be on a txv 404a refrigerant freezer?
42
What is the low side pressure of a freezer using R 404A refrigerant?
if room tem is 70f 15psi
What is the low side pressure of a freezer using R-404A refrigerant?
if room tem is 70f 15psi
Mixing freon 22 with 404A would it work?
R-404a is a substitute for r-22 refrigerant but requires the system to be charged with POE lubricant. R-22 is being phased out by international protocols. The two refrigerents should not be mixed, but a tiny amount of residual r-22 left in a system being recharged with r-404a (which is itself a mixture of r-125, r-143a and r-134a) will not cause any problems.
Define a near-azeotropic refrigerant blend and give two examples.?
a blended refrigerant with less than 10F temperature glide, 41oA and 404A are examples.
Is R404A freon compatible with R409a?
No r404a is not compatible with r409a, r134a and 404a use the same lubricates and are compatible but r409a use a different lub making them incompatible
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
