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airheatman
airheatman, HVAC Technician
Category: HVAC
Satisfied Customers: 8251
Experience:  Furnace, A/C and heat pump specialist.
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Are the r-410A connections the same as for r-134

Customer Question

are the r-410A connections the same as for r-134 refrigerant
?
On a boat and have little experience on how to recharge this particular unit.
Assistance is appreciated.
Submitted: 1 year ago.
Category: HVAC
Expert:  airheatman replied 1 year ago.

2 totally different refrigerants, 134A is considered a low temp refrigerant used in refrigeration and automotive where R410A is a medium temp refrigerant for residential and commercial air conditioning

Expert:  airheatman replied 1 year ago.

R134 a systems will have a larger fitting to prevent you from mistakenly mixing the refrigerants

Customer: replied 1 year ago.
what pressure should this unit be showing for the recharge on the low side? tropically environment
Expert:  airheatman replied 1 year ago.

Suction somewhere between 120 and 150. Head between 360 t0 420

Customer: replied 1 year ago.
after running the unit for what time period?
Expert:  airheatman replied 1 year ago.

Pressures should equalize within about 15 minutes of running.What is current ambient temp?