EPA Section 608 Preparatory Manual: Type III

A collection of vocabulary flashcards based on the EPA Section 608 Preparatory Manual focusing on refrigerant safety, regulations, and procedures.

ASHRAE Standard 15-2013

Requires the use of room sensors and alarms to detect refrigerant leaks in safety groups.

Refrigerant R-123 classification

Classified as B1 (non-flammable, high toxicity) under Standard 34.

Refrigerant R-1233zd classification

Classified as A1 (non-flammable, low toxicity) under Standard 34.

Refrigerant characteristics

Refrigerants are heavier than air and can displace oxygen.

Personal protective equipment for working with liquid refrigerant

Gloves and safety goggles should be worn.

CAUTION for positive pressure gases

No smoking or open flame; oxygen may be insufficient.

Rupture disc or pressure relief valve discharge

Should be piped outdoors to prevent venting into the machine room.

Installation of pressure relief valves

All pressure relief valves should be piped or installed in parallel, never in series.

Evaporator charging valve

Refrigerant is introduced through this valve when charging the system.

Over-pressurizing a refrigeration system

Avoid introducing too much refrigerant through the evaporator charging valve.

Isopropyl alcohol usage in refrigeration

Should be used to remove ice from sight glasses or viewing glasses.