Concerning the piping schematic of the...

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Question 1 of 205eccef9dbacbc34ba4d4608f

Concerning the piping schematic of the multi-temperature and multi-evaporator system as shown in figure "B" of the illustration, what statement is true? See illustration GS-RA-38.

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Question 1 of 20

5eccef9dbacbc34ba4d4608f

Concerning the piping schematic of the multi-temperature and multi-evaporator system as shown in figure "B" of the illustration, what statement is true? See illustration GS-RA-38.

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🔍 Key Concepts

• Frosting vs non‑frosting evaporators – which box is run at the lower temperature, and which coil needs defrosting? • Hot gas defrost – in this schematic, where does the hot gas flow when the defrost solenoid opens? Through which evaporator? • Bypass (pressure) regulator function – does this device send liquid into the suction line, or does it route hot gas around part of the system to control suction pressure and prevent floodback?

💭 Think About

• Look at the piping: when the hot gas solenoid for defrost opens, trace the path of the hot gas from the compressor discharge. Which evaporator does it enter, and what happens to the refrigerant leaving that evaporator during defrost? • Identify where the bypass/pressure regulator connects. Is it tied into the liquid line or the suction/discharge gas line? From that, decide whether it is regulating liquid injection or gas flow. • Which evaporator coil (upper or lower in Figure B) is arranged so that it can be isolated and supplied with hot gas while the other continues to cool? What does that tell you about which is the frosting coil that needs periodic defrosting?

✅ Before You Answer

• Verify on the diagram which coil is labeled or piped as the frosting evaporator and which as the non‑frosting evaporator (look at their control valves and connections). • Confirm from the piping whether the bypass regulator is connected to gas lines (suction/discharge) or the liquid line – this eliminates any option that mentions the wrong phase. • Check that the statement you choose correctly describes both actions during defrost: opening of the hot gas solenoid and the purpose of the bypass/pressure regulator (floodback protection vs motor cooling), consistent with the schematic.

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Question 1 of 205eccef9dbacbc34ba4d4608f

Concerning the piping schematic of the multi-temperature and multi-evaporator system as shown in figure "B" of the illustration, what statement is true? See illustration GS-RA-38.

Back

Question 1 of 20

5eccef9dbacbc34ba4d4608f

Concerning the piping schematic of the multi-temperature and multi-evaporator system as shown in figure "B" of the illustration, what statement is true? See illustration GS-RA-38.

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

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