Important facts about A/C Service Units for R 1234yf

If you want to work not only safe, but also refrigerant saving, you should opt for a unit with our LowEmission concept.

When buying a R 1234yf service unit, you should look for these 10 other quality characteristics to definitely be “on the safe side”:

Fully automatic self-test

R 1234yf service units are subject to special safety regulations. The refrigerant must not escape into the atmosphere, therefore the ASC 5500RPA from WAECO automatically performs a leak check in regular intervals. This ensures that potential minor leaks in the system will not remain undetected.

Clearly recognisable service equipment

A/C workshops are most likely to have two different A/C service units in the future, because R 134a and R 1234yf are not compatible with each other. To avoid confusion right from the start, the differences between the units should be clearly visible.

Oil separator for gas identifier

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Integrated refrigerant analysis / safe and smooth process flow

R 1234yf is very sensitive to cross contamination with other refrigerants. Therefore, it is mandatory to use analysis equipment to check the refrigerant purity. You can save time if the analysis tool is already integrated in the service unit. Also, it is safer because the analysis is always done automatically.

Low Emission

The low-emission technology prevents workshop staff from being exposed to illegally high concentrations of R 1234yf.

External switch-on delay

R 1234yf is inflammable under certain conditions. Therefore, the system start will only activate the external fan at first. After the fan has been running for 35 seconds, the voltage is passed on to the system. This guarantees there’s no inflammable mixture contained in the system when the electrical components are enabled.

External ventilation

Prior to system start-up, the service unit is ventilated upon pressing the ON button. For that purpose the ASC 5500RPA features large ventilation holes in the base. It only makes sense to use an external fan that draws fresh air in as a fan fitted inside the unit might lead to an inflammable mixture.

Easy-to-maintain special filter

Electronic change-filter indicator: after a certain amount of refrigerant recovered the system automatically tells you it’s time to replace the filter. The filter is accessible from the outside for easy maintenance.

Get everything from one source

It’s not enough to have an A/C service unit and maintain a stock of refrigerant. A good supplier will also provide all the consumables required for A/C service, such as oils and leak detection additives. Please bear in mind that PAG oils and ester oils for R 134a are not suitable for use in R 1234yf A/C systems!

Avoid costly refrigerant loss

It can be expected that the price for R 1234yf will be considerably higher than that for R 134a – another reason why refrigerant loss should be avoided. Conventional A/C service units may lose up to 100 grams of refrigerant per use through the vacuum pump and during oil recovery. This is all different with the ASC 5500RPA from WAECO. Based on the low-emission principle, it has a refrigerant loss rate of close to zero %.

Connection for external refrigerant recovery

Professional standard

ASC by WAECO is, and has been for years, the abbreviation for excellent quality and cutting-edge technology in A/C service equipment. The series is constantly improved and complemented to meet future requirements. All ASC service units are state of the art and fully automatic

Be a successfull A/C professional

Use our comprehensive range of equipment for service and repairs on automotive A/C systems to make your company an efficient and successful A/C workshop. Polar bear Eddie supports you with useful information and advertising material that will keep you an Eddie nose length ahead of your competitors!

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Dometic WAECO International GmbH
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