🔍 Key Concepts

• Water-cooled condensers and how refrigerant and cooling water are separated • How a halide leak detector (halide torch) works with refrigerant gases • Difference between quick leak check vs. pressure/hydrostatic tests

💭 Think About

• Which option would let you sense refrigerant escaping into an area you can easily access, without taking the condenser apart? • Which method is commonly used in the field as a fast, portable way to detect refrigerant presence in air or vented spaces? • Which choices are more about water quality or tube strength, rather than detecting refrigerant gas?

✅ Before You Answer

• Identify which choice directly involves refrigerant gas detection, not water chemistry or tube integrity • Ask: does this method require full pressurization and isolation, or can it be done quickly while the unit is in service or lightly pressurized? • Eliminate any options that do not actually detect refrigerant but instead check for unrelated conditions (e.g., pH, structural strength)