This is How to Check the Refrigerant Charge on a System Without a TXV that has a Piston/Orifice or Capillary Metering Device in front of the Evaporator Coil.
This is a step by Step Process in detail on how to use the Saturation Temperature on the Gauge Set and the Temperature reading on the Suction line in order to figure out the Superheat needed. You then compare this Actual Superheat to the Superheat needed in order to figure out if you are Low on Refrigerant or Overcharged with Refrigerant.
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Supervision is needed by a licensed HVAC Tech before doing this as Experience and Apprenticeship garners Wisdom and Safety.

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Here is a link to Refrigerant hoses with valves used in the videos [ Ссылка ]

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

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

Here is the Link for the newer UEI DL469 Multimeter- [ Ссылка ]

Here is the Link for the UEI DL389 Multimeter used in the video - [ Ссылка ]

Here is a link to the Digital Refrigerant Scale used in the video
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Here is a link to the Imperial 535-C Kwik Charge Vaporizer for Charging Refrigerant- [ Ссылка ]

Here is a link to the JB 6 CFM Vacuum Pump [ Ссылка ]

Here is the link to the Appion Valve Core Removal Tool- [ Ссылка ]

Here is the link to the Fieldpiece ST4 Dual Temp Meter- [ Ссылка ]

Here is the Link to the Fieldpiece MR45 Recovery Machine- [ Ссылка ]

Here is the Link to the Appion Red 3/8" to 1/4" Vacuum Hose- [ Ссылка ]

Here is the link to the Yellow Jacket 1/4" by 1/4" heavy duty hose straight- [ Ссылка ]

Here is the link to the CPS Vacuum Micron Gauge- [ Ссылка ]

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

Here is a link to the Supco Vacuum Micron Gauge [ Ссылка ]

Here is a link to the 1/4" by 1/4" female coupler from Supco - [ Ссылка ]

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

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Here is a link to the General Tools digital Psychrometer
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Here is a link to the Amprobe Digital Psychrometer [ Ссылка ]

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Here is a link to the Appion G5 Twin Recovery Pump [ Ссылка ]

Here is a link for RectorSeal Bubble Gas Leak Detector [ Ссылка ]

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

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Here is the link for the Hilmor 12" folding tool [ Ссылка ]

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