Sharp AF-S100RX, Service Manual

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Section 5 Sealed System
5 -1
The purpose of this service manual is to give the service technician an understanding of the changes in refrigerants
and sealed system service. Persons attempting to use this service manual to make repairs to sealed system
refrigeration systems should have electrical training as well as training in sealed system repairs. The person making
the repairs must know and understand all laws (Local and International) governing handling of all refrigerants. The
technician must be trained in the use of recovery and recycling equipment. Electrolux Home Products, Inc. cannot
be responsible, nor assume any liability, for injury or damage of any kind arising from the use of this manual.
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Electrolux does not permit the use of recovered refrigerant in the servicing of our products for in-warranty and out-
of-warranty repairs or for products covered by service contracts. Therefore, only new refrigerant or refrigerant that
has been reclaimed back to new specifications by a refrigerant manufacturer is to be used.
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Effective July 1, 1992, the United States clean air act governs the disposal of refrigerants such as R-410A. Therefore,
when discharging or purging the sealed system use an EPA approved refrigerant recovery system as outlined in
the final rule on the protection of stratospheric ozone and refrigerant recycling, which was published in the Federal
Register May 14, 1993.
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Safety and CFC Certification
Complying with Section 608 Refrigerant Recycling Rule: http://www.epa.gov/ozone/title6/608/608fact.html#techcert
repair, or disposal that could be reasonably expected to release refrigerants into the atmosphere.
Any person who performs maintenance, service, or repair that could reasonably be expected to release class I (CFC)
or class II (HCFC) substances from appliances, into the atmosphere. Technician also means any person performing
disposal of appliances, except for small appliances, MVACs, and MVAC-like appliances that, could be reasonably
expected to release class I or class II refrigerants from appliances into the atmosphere.
Small appliance is defined as:
Any of the following products that are fully manufactured, charged, and hermetically sealed in a factory with five
pounds or less of refrigerant: refrigerators and freezers designed for home use, room air conditioners (including
window air conditioners and packaged terminal air conditioners), packaged terminal heat pumps, dehumidifiers,
under-the-counter ice makers, vending machines, and drinking water coolers.
The Agency has developed four types of certification:
1. For servicing small appliances (Type I).
2. For servicing or disposing of high- or very high-pressure appliances, except small appliances and MVACs (Type II).
3. For servicing or disposing of low-pressure appliances (Type III).
4. For servicing all types of equipment (Universal).
Technicians are required to pass an EPA-approved test given by an EPA-approved certifying organization to become
certified under the mandatory program. Section 608 Technician Certification credentials do not expire. Overview of
Issues on EPA Certification Test: http://www.epa.gov/ozone/title6/608/technicians/certoutl.html
R-410A requires training of installation and service personnel in the proper and safe handling of R-410A.
Many equipment manufacturers are well aware of the concerns and safety issues of working with R-410A and other
HFC refrigerants and are requiring installation and service professionals who purchase their R-410A systems to be
R-410A Certified.
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