Which activity is not considered opening an appliance under 40 CFR 82.152?
Recovery requirements · EPA 608 Type II. The correct answer, and the reasoning behind it.
Evacuation levels by charge size and equipment date, major repairs, and system-dependent limits.
The question
Which activity is not considered opening an appliance under 40 CFR 82.152?
- Cutting a refrigerant line to replace a drier
- Removing a leaking service valve
- Unbrazing a condenser coil
- Connecting gauges to measure pressuresCorrect answer
Why “Connecting gauges to measure pressures” is correct
Opening an appliance means any service that would release refrigerant to the atmosphere. The definition says connecting and disconnecting hoses and gauges to measure pressures, add refrigerant or recover refrigerant is not opening an appliance.
Source: 40 CFR 82.152
Why the other answers are wrong
- Cutting a refrigerant line to replace a drier — Cutting a line exposes the refrigerant circuit and is opening the appliance.
- Removing a leaking service valve — Removing a valve exposes the circuit to the atmosphere.
- Unbrazing a condenser coil — Unbrazing a coil opens the refrigerant circuit.
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