410a Heat Pump Charging Chart
Some lennox heat pump systems come with a subcool chart next to the approach chart.
410a heat pump charging chart. There are two ways to charge a system using the superheat method. 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. The fan must be able to move the appropriate amount of water.
In january 2006 the environmental protection agency epa banned the manufacturing of air conditioning systems that couldn t achieve a seasonal energy efficiency ratio seer of 13. Your support makes a huge difference in my being able to continue. This subcool chart is for 65.
However r22 can not meet. Refrigerant r 410a pressure temperature chart this r410a pt chart will help you when charging a system that utilizes r 410a furthermore r410a is an hfc and is commonly used in residential and light commercial hvac equipment for air conditioners and heat pump systems. Add charge to lower super heat remove charge to raise superheat r 410a superheat wet bulb.
The method requires that you block sections. R 410a or puron is one of the most popular refrigerants in today s modern world. How to check and charge a r 410a refrigeration system.
Until then the most common refrigerant used was r22. Checking the charge on a heat pump in long line charging my heat pump it is an r410a ton 14 seer 96 afue hybrid dual superheat charging curves for technicians i m looking for a freon charging chart trane heat pump modelchecking the charge on a heat pump in winter 2018 11 1938yxa 2xa manualzzi. Using dry bulb return air temperature.
R410a charging chart air flow must not be determined by measuring the temperature through the evaporator coil. Most contractors and technicians worked with r 22 systems for home and commercial air conditioning. This means the subcool chart is only valid when the outdoor temperature is below 65.
At nominal cfm all evaporators must have the same operating characteristics to eliminate the same amount of heat from the same amount of heat. Intersect the 2 numbers on the chart shown on the next slide that will give you the amount of superheat you need. You can support the channel by using one of the affiliate links above and by subscribing to the channel.