Charging R-410A Refrigerant: Step By Step Process of Adding Refrigerant in Real Time! (2024)

Charging R-410A Refrigerant: Step By Step Process of Adding Refrigerant in Real-Time!
This is a Step by Step Process (In Real-time) of Adding R-410A Refrigerant into a System that is a little Undercharged! We use the Subcooling Process to show you how far the Charge is off and Exactly what we need to do to Add Refrigerant and How to Verify that we have the Correct Charge once we are complete.
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Here is a link to Refrigerant hoses with valves used in the videos

Here is the Link for the Yellow Jacket Refrigerant Manifold Gauge Set used in the videos

Here is the Link for the newer UEI DL479 Multimeter with temp sensor-

Here is the Link for the newer UEI DL 469 Multimeter-

Here is a link to the UEI DL389 Multimeter used in this video-

Here is a link to the Digital Refrigerant Scale used in the video

Here is a link to the Imperial 535-C Kwik Charge Vaporizer for Charging Refrigerant-

Here is a link to the JB 6 CFM Vacuum Pump

Here is a link to 1 gallon of JB Vacuum Pump Oil

Here is a link to the Supco Vacuum Micron Gauge

Here is a link to the 1/4″ by 1/4″ female coupler from Supco –

Here is the Link for the 4 Port Yellow Jacket Brute Manifold Gauges and hoses-

Here is the link to the Appion Valve Core Removal Tool-

Here is the link to the Fieldpiece ST4 Dual Temp Meter-

Here is the Link to the Fieldpiece MR45 Recovery Machine-

Here is the Link to the Appion Red 3/8″ to 1/4″ Vacuum Hose-

Here is the link to the Yellow Jacket 1/4″ by 1/4″ heavy duty hose straight-

Here is a link the Nitrogen Regulator

Here is a link to the Nitrogen Flow Meter

Here is a link to the General Tools digital Psychrometer

Here is a link to the Amprobe Digital Psychrometer

Here is a link to the Fieldpiece SDP2 Digital Psychrometer-

Here is the link for the Ratcheting Service Wrench

Here is a link to the Appion G5 Twin Recovery Pump

Here is a link for RectorSeal Bubble Gas Leak Detector

Here is a link to the air acetylene torch setup, just make sure that this will fit your tank size connection.

Here is a link to the Malco Snap Lock Punch

Here is a link to the Wiss 3 Pack Tin Snips

Here is a link to the Wiss 5 Blade Crimper

Here is a link to the Wiss Hand Seamers

Here is the link for the Hitachi Lithium Ion Drill and Flashlight kit

Here is the link for the Irwin Wire Stripper/Cutter/Crimper

Here is the link for the Hilmor 12″ folding tool

Here is the link for the Malco 3″ Blade Combination Snips

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Charging R-410A Refrigerant: Step By Step Process of Adding Refrigerant in Real Time! (2024)

FAQs

Do you charge 410A as a liquid or vapor? ›

R-410A must be charged as a liquid. Refer to the instructions printed on your refrigerant cylinder to verify that the cylinder is oriented properly for charging. Charging as a gas may result in refrigerant separation and improper unit operation.

When charging with 410A the refrigerant must be introduced in what state? ›

Your liquid line will be at a higher pressure than your bottle. It just can't go in that way. 410a HAS to be charged as a liquid, because it's made of blended refrigerants that have slightly different boiling points, so if you charge 410a as a vapour, you will fractionalize it and it might not be 410a anymore.

What is the rule of thumb for refrigerant charge? ›

100˚ Over Ambient Rule of Thumb

The most widely quoted rule of thumb is the 100˚ – 110˚ over ambient discharge rule. This guideline states that a properly charged unit will have a discharge line temperature of 100˚ – 110˚ above the outdoor temperature.

Do you charge refrigerant on the high or low side? ›

The low side port, or the low-pressure service port, is important because it's the point where you connect to recharge the AC refrigerant. Its location varies by vehicle, but you can find it by starting at the compressor.

How much do you charge per pound of 410A? ›

R410A refrigerant costs $4 to $8 per pound wholesale or $50 to $80 per pound installed. Recharging a home AC with R410A costs $100 to $320 on average.

What is the normal suction pressure for R-410A? ›

Suction pressure of an Air-Conditioner with R410A Refrigerants typically ranges between 115 Psig to 125 Psig when operated at an ambient temperature of 35 degC. The discharge pressure at this operating conditions hovers around 400 Psig. R-410A operates at pressures 50 to 70% higher than those of R-22.

What should 410A pressure be at 75 degrees? ›

If a new R-410A refrigerant bottle had a surrounding air temperature of 75°F, the pressure inside the bottle would be 217 PSIG. Likewise, an R-410A recovery bottle with a surrounding air temperature of 75°F should have an internal pressure of 217 PSIG.

What happens if you charge AC on the high side? ›

It is absolutely important to note here that over-charging the system will cause permanent damage. If you are unsure of the current pressure, or amount of refrigerant in your system, you should seek a professional mechanic near you to address the issue.

How much refrigerant to add per foot of lineset? ›

You will add 0.6 oz. per foot additional for the lineset, plus 6oz. for the filter drier, and the long radius elbows add 2.6 additional feet. 22.6 ft x 0.6 = 13.5oz + 6oz.

How to check subcooling on a 410A? ›

To check subcooling, attach a thermometer to the liquid line near the condenser. Take the head pressure and convert it to temperature on a temperature/pressure chart. Subtract the two numbers to get the subcooling.

What PSI is 410A high-pressure? ›

R410a operates at an average of 480psi – 500psi (with newer models of our valves operating at a tolerance of 650 psi) making it a high-pressure refrigerant. This distinction is extremely important due to the operational dangers when working with high-pressure systems.

What is normal subcooling for 410A? ›

The ideal subcooling for 410A is about 10 degrees. This will help ensure that the liquid refrigerant doesn't boil and turn into a gas, which can cause problems with the HVAC system.

What is the normal suction pressure? ›

Suction pressure should be kept at less than 200 mmHg in adults. It should be set at 80 mmHg to 120 mmHg in neonates. [3] The catheter size used for suction should be less than 50% of the internal diameter of the endotracheal tube. A common conversion is that a 1 mm diameter is equal to a 3 French.

How do I recharge my AC refrigerant? ›

Note: Always wear safety glasses and gloves when charging the A/C system.
  1. Determine Ambient Air.
  2. Locate the Low-Side Service Port.
  3. Wipe Away Dust.
  4. Attach the Charging Hose.
  5. Add Refrigerant.
  6. Charge the System.
  7. Remove the Charging Hose.
  8. Check the Service Port Cap Seal Before Reinstalling.

Can you recharge refrigerant yourself? ›

You've likely run low on refrigerant in your A/C system. Over time, tiny amounts of refrigerant leak from the lines, degrading A/C performance. The solution is simple - put more back in. Recharging your air conditioner yourself is inexpensive and can be completed in just a few minutes.

Do you charge 134A as a vapor or liquid? ›

While charging, an R-134A system is filled with vapor refrigerant until the pressure rises to 30 psig.

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