Technicians
receiving a passing grade on the Type III (low-pressure appliance) examination
are certified to recover refrigerant during the maintenance, service or repair of low-pressure equipment (CFC-11, HCFC-123). Only Type III or Universal certified technicians can recover refrigerant from these units.
Who certifies recovery equipment for small appliances?
EPA has approved
the Air-Conditioning, Heating, and Refrigeration Institute (AHRI) and Underwriters Laboratories (UL)
to certify recycling and recovery equipment. Both organizations can provide information on certified equipment.
Who must certify recovery equipment used during maintenance service or repair of small appliances that use CFCS?
Who must certify recovery equipment used during maintenance, service or repair of small appliances that use CFCs, HCFCs, and HFCS?
An EPA-approved laboratory
. When servicing a small appliance found to be leaking it is; not mandatory to repair the leak but it is recommended to do so whenever possible.
What type of appliances are technicians certified to charge?
What type of appliances are technicians certified to charge and open after passing the Type 1 examination?
Appliances containing 5 pounds or less of refrigerant that have been hermetically sealed and charged at the factory
.
When recovering refrigerant from small appliances you must recover?
- 80 percent of the refrigerant when. The technician uses recovery or recycling equipment manufactured before November 15, 1993, or. …
- 90 percent of the refrigerant when.
What should be done with leaks in small appliances?
Which of the following is true of small appliances refrigerant leaks; EPA does not require repair, but
leaks should be repaired whenever possible
.
Which refrigerants must be recovered before opening or disposing of appliances?
Chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs)
have which of the following in common? They must be recovered before opening or disposing of appliances. After 1995, supplies of CFC refrigerant for equipment servicing will come from; recovery and recycling.
Which refrigerant is very high-pressure and does not need to be recovered?
Co2 refrigerant R-744 (Carbon dioxide)
is a very high-pressure refrigerant and generally does not need to be recovered.
Which condition requires accessing both the high and low side of the system for refrigerant recovery?
using the system dependent (passive) recovery process, which condition requires accessing both the high and low side of the system for refrigerant recovery?
it is necessary to heat the compressor and strike it with a rubber mallet.
What may be done to speed the recovery process?
What may be done to speed the recovery process and ensure that all CFC, HCFC, or HFC refrigerant has been removed from a frost-free refrigerator?
Turn on the defrost heater to increase the refrigerant’s temperature and vaporize any liquid
.
Do I need a license to buy r410a refrigerant?
Are you required to have a license or to be certified to handle and purchase R-410A? You are required to have an EPA Section 608 Type II or Universal certification license to handle R-410A but
no license is legally necessary for purchase
.
What type of appliance are technicians?
An Appliance Repair Technician has a variety of duties, however, in general, they are tasked with
installing, adjusting and repairing any number of home or commercially used appliances
. Most often, you will work on refrigerators, ovens, washing machines, clothes dryers and sometimes, microwaves and vacuum cleaners.
What does a 608 certification allow a technician to do?
Section 608 technician certification is required
to dispose of appliances
, except for small appliances (an appliance that is fully manufactured, charged, and hermetically sealed in a factory with five pounds or less of refrigerant), motor vehicle air conditioners (MVACs), or MVAC-like appliances.
Which refrigerants must be recovered?
Chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs)
have which of the following in common? They must be recovered before opening or disposing of appliances. After 1995, supplies of CFC refrigerant for equipment servicing will come from; recovery and recycling.
Which of the following is an approved drop in service replacement for r22?
As a matter of fact, there are many different alternatives to R-22 that don’t deplete the ozone layer, including:
R-134a, R-507, R-404A, R-407c and R-410A
. R-410A is the best alternative option for air conditioning applications, while the best alternative for refrigeration applications are R-404A and R-507.
When servicing a small appliance for leak repair it is mandatory?
| EPA regulations include which of the following in the definition of small appliances Both A and B | When servicing a small appliance for leak repair It is not mandatory to repair the leak but do so whenever possible |
|---|
