epa 608 study

Front

what happens when you charge liquid r245fa into a system with vaccum greater than 18"hg

Back

the system water freezes

Front

what are the evacuation levels for the following:

very high psi

high psi <200 lbs

high psi >200

med psi<200

med psi >200

Back

0"hg

0"

10"

10"

15"

Front

what are azeotropic refrigerants

Back

a bled of 2 or more refrigerants

Front

what are the correlating pressures for the systems

low psi

medium psi

high psi

very high psi

Back

<30

30-155

155-340

>340

Front

what is a

self contained active recovery

vs

system dependent passive recovery

Back

has own motor to recover refrigerant

vs

relies on systems compressor

Front

what are the annual leak rates for the following:

comfort cooling

commercial refrigeration

industrial process refrigeration (IPO)

Back

10%

20%

30%

Front

what does it mean when in a vaccuum, pressure increases then stops for a few minutes, the proceeds to rise

Back

moisture in the system

Front

what should be done if an appliance with over 50 lbs exceeds leak rate

Back

30 days to retrofit/retire

Front

if an appliance with over 200 lbs passes initial leak test, what happens next

Back

a follow up leak test should occur within 10 days

Front

how long can a leaking r22 cold storage warehouse unit operate for

Back

12 months before retrofitted/retired