{"id":9137761353965,"title":"AC Service Tech LLC HVAC Quick Reference Cards for Refrigerant Charging and Troubleshooting","handle":"ac-service-tech-llc-hvac-quick-reference-cards-for-refrigerant-charging-and-troubleshooting","description":"\u003ch3\u003eAC Service Tech LLC HVAC Quick Reference Cards for Refrigerant Charging and Troubleshooting\u003c\/h3\u003e\r\n\u003cp id=\"b\"\u003eThese three HVAC quick reference polystyrene cards are double sided and\r\ndesigned to be used with Air Conditioners and Heat Pumps to measure the\r\nrefrigerant level in a unit, charge refrigerant, troubleshoot refrigerant\r\nbased problems, and measure heat transfer to determine if there is a problem.\r\nFind the Target Subcooling to measure the refrigerant level of systems with a\r\nTXV metering device Use Subcooling to determine if a system is undercharged,\r\ncorrectly charged, or overcharged Find the Target Superheat to measure the\r\nrefrigerant level of systems with a fixed orifice metering device Use Total\r\nSuperheat to determine if a system is undercharged, correctly charged, or\r\novercharged Use Delta T to determine if the system is exchanging heat properly\r\nUse the P\/T Chart to find the Saturated Temp of 5 common refrigerants Use the\r\nGuide to determine how to find the Bubble and Dew Saturated Temps of Blend\r\nRefrigerants Use the Refrigerant Weight Chart to calculate the amount of\r\nrefrigerant needed per foot of tubing Use the Guide to weigh in the full or\r\npartial refrigerant charge into an empty vacuumed unit\u003c\/p\u003e \r\n\r\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\r\n \u003cul class=\"a\"\u003e\r\n \u003cli\u003eFlexible\u003c\/li\u003e\r\n \u003cli\u003eWeather and UV Resistant\u003c\/li\u003e\r\n \u003cli\u003ePolystyrene Card Material Tested 0F-130F\u003c\/li\u003e\r\n \u003cli\u003eThree Cards Double Sided per Pack\u003c\/li\u003e\r\n \u003cli\u003eHVAC Technician Resource\u003c\/li\u003e\r\n \u003c\/ul\u003e","published_at":"2025-10-13T21:07:05+11:00","created_at":"2025-10-13T21:07:02+11:00","vendor":"AC Service Tech LLC","type":"Diagnostic Equipment","tags":["AUTO_bestsellers_Oct2025"],"price":16000,"price_min":16000,"price_max":16000,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":48865655193837,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"B082895BBX","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"AC Service Tech LLC HVAC Quick Reference Cards for Refrigerant Charging and Troubleshooting","public_title":null,"options":["Default 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Service Tech LLC HVAC Quick Reference Cards for Refrigerant Charging and Troubleshooting\u003c\/h3\u003e\r\n\u003cp id=\"b\"\u003eThese three HVAC quick reference polystyrene cards are double sided and\r\ndesigned to be used with Air Conditioners and Heat Pumps to measure the\r\nrefrigerant level in a unit, charge refrigerant, troubleshoot refrigerant\r\nbased problems, and measure heat transfer to determine if there is a problem.\r\nFind the Target Subcooling to measure the refrigerant level of systems with a\r\nTXV metering device Use Subcooling to determine if a system is undercharged,\r\ncorrectly charged, or overcharged Find the Target Superheat to measure the\r\nrefrigerant level of systems with a fixed orifice metering device Use Total\r\nSuperheat to determine if a system is undercharged, correctly charged, or\r\novercharged Use Delta T to determine if the system is exchanging heat properly\r\nUse the P\/T Chart to find the Saturated Temp of 5 common refrigerants Use the\r\nGuide to determine how to find the Bubble and Dew Saturated Temps of Blend\r\nRefrigerants Use the Refrigerant Weight Chart to calculate the amount of\r\nrefrigerant needed per foot of tubing Use the Guide to weigh in the full or\r\npartial refrigerant charge into an empty vacuumed unit\u003c\/p\u003e \r\n\r\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\r\n \u003cul class=\"a\"\u003e\r\n \u003cli\u003eFlexible\u003c\/li\u003e\r\n \u003cli\u003eWeather and UV Resistant\u003c\/li\u003e\r\n \u003cli\u003ePolystyrene Card Material Tested 0F-130F\u003c\/li\u003e\r\n \u003cli\u003eThree Cards Double Sided per Pack\u003c\/li\u003e\r\n \u003cli\u003eHVAC Technician Resource\u003c\/li\u003e\r\n \u003c\/ul\u003e"}