if after installing a fitting for the purpose of recovering the appliances refrigerant you find out the system pressure is 0 PSIG
refrigerant recovery is not required
when using a system dependent recovery system on an appliance that has an operating compressor the technician should
run the compressor and recover from the high side of the system only
small appliances in recreational vehicles may use refrigerant such as ammonia, hydrogen, and water. These refrigerants
should not be recovered
recovery equipment must be
certified by an EPA approved testing laboratory
self-contained or active recovery equipment
Has its own means of recovery.
small appliances are equipped with a straight piece of tubing that is used
as the installation location for a piercing type access valve
when filling a charging cylinder with a regulated refrigerant
The refrigerant vapor that is vented off the top of the cylinder must be recovered.
applying heat, with a heat gun, to the compressor
can help vaporize any trapped liquid refrigerant during recovery.
which of the following is an example of a non condensable
air
a small appliance is defined by EPA as
Appliances manufactured, charged, and hermetically sealed in a factory with 5 Lbs or less of refrigerant
with a non operating system compressor recovery equipment must be capable of recovering
80% of the refrigerant or achieving four inches of vacuum
technician to perform sealed system service on small appliances must have
type 1 and Universal certification
if regulations change after the technician becomes certified
The technician is responsible for complying with any future changes in the regulations.
if a strong odor is detected while performing a refrigerant recovery process
a compressor burnout has likely occurred
which HC refrigerant is allowed for use in new domestic small appliances
R-600a
after the refrigerant has been recovered which of the following can be used to flush the system
nitrogen
when using a system dependent recovery system on an appliance that has a non-operating compressor the technician should
Place access fitting on both the low and high side of the system
on a system with an operating compressor recovery equipment must be capable of recovering
90% refrigerant or achieving 4 inches of vacuum
which of the following is true regarding refrigerant leaks and small appliances
EPA does not require repair but leak should be repaired whenever possible
when pressurizing a system with nitrogen you should
both b and c
system dependent or passive recovery equipment
Captures refrigerant into a non-pressurized container with assistance of the appliance compressor.
when a system is in deep vacuum
never energize the compressor
type 1 certification is required for
persons handling refrigerant during maintenance, service, or repair of small appliances
recovering multiple types of refrigerants in the same cylinder
will make the reclaimed refrigerants non reclaimable and a charge for disposal may be levied.
system dependent recovery methods may be only used on appliances containing
15 pounds of refrigerant or less