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25 Cards in this Set
- Front
- Back
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Recover |
Remove refrigerant from the system using a recovery machine and place in an external container |
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Recycle |
Clean refrigerant with a recycling machine on site with oil separation and filter driers No testing is done to check purity This refrigerant can only be returned to the same equipment from which it is used |
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Reclaim |
Reprocessing through distillation to return refrigerant to ARI standard 700 Lab checking is done to check purity May be sold as reclaimed (used) refrigerant |
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Self contained |
Has its own compressor |
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ARI 700 |
Establishes purity levels for new and reclaimed |
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ARI 740 |
Establishes guidelines for recovery machine certification |
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ASHRAE 15 |
Establishes standards for refrigeration mechanical parts |
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Gloves and safety glasses are considered PPE |
True |
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A system dependent passive recovery unit can only be used on (*******) containing less than _______ pounds of refrigerant |
15 |
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Proper recovery procedures include |
Recover until proper recovery levels are reached |
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When handling a refrigerant in a refrigerant cylinder you should never |
Both A&B (dry location, refill) |
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Working must understand |
True |
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Regulation |
Most stringent |
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Snakes and rats |
False |
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OSHA responsible |
False |
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Technicians infection |
True |
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3 equipment job related dangers |
Electrical, shock, burn, fire, refrigerants, ignition and combustion |
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Three types of electrical hazard |
Shock burn blast |
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Difference between fire and explode |
Violent Force |
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>5ma |
no sensation |
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2ma - 10ma |
muscle contractions |
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5ma - 25ma |
painful shock cant let go |
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< 25ma |
violent muscle contractions |
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50ma - 100ma |
heart convulsions possible death |
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< 100ma |
Heart paralysis inability to breathe almost certain death |
