Recovery equipemnt used for the service or repair of small appliances must be
certified by an EPA approved lab if the recovery equipment was made after
November 15, 1993
Recovery devices made before 11-15-93 and are used for recovery of refrigerant
from small appliances must be capable of:
recovering 80% of the refrigerant whether or not the compressor is operating or
achieving a 4 inch vacuum under conditions of ARI 740-1993
EPA's definition of a small appliance includes:
a device manufactored, charges & hermeticly sealed in factory with a charge of 5lbs or
less
Tech's with a type 1 small appliance certification are certified to recover
refrigerant during the maintenance or repair of:
PTAC's with 5lbs or less of refrigerant
EPA requires that all small appliances be equipped with a service aperture or
other device that is used when adding or removing refrigerant from the appliance.
For small appliances this service port typically
a straight piece of tubing, called a process tube that is entered using a piercing valve
The EPA section 608 certification must be renewed every
never
It is an EPS regulation that any person who opens and appliance for
maintenance, service or repair must have at least one self-contained recovery
machine avalible at their place of buisiness. The only exception to this rule are
persons working on
small appliances
The sale od CFC & HCFC refrigerants is:
restricted to techs who are EPA certified in refrigerant recovery
Anyone who recovers refrigeration during maintenance, service or repair of small
appliances must be certified as either a universal Tech or a:
Type 1 tech
When recovering refrigerant from a household refrigerator who's compressor
does not run, it is recommended that a low and high side access valves be
installed because:
it can help speed of recovery and required recovery effiency
If you install an access fitting into a sealed system:
the fitting should be leak tested before proceeding with recovery
Before beginning a refrigerant recovery procedure it is alway necessary to:
determine the type of refrigerant in the system
when recovering refrigerant into a non-pressurized container from a refrigerator
with an improper compressor:
it is necessary to heat & strike the compressor with a rubber mallet
When checking for the existence of noncondensable gases inside a recovery
cyclinder, why is it proper procedure to allow the temperature of the cyclinder to
stabilize @ room temperature before taking a pressure reading?