MURA and MUAA Hybrid Crossover Ductless Training 2023

MURA and MUAA Hybrid Crossover Ductless Zoom Training

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MURA and MUAA Hybrid Crossover Knowledge Check 2023

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MURA and MUAA Hybrid Crossover Knowledge Check 2023

MURA and MUAA Hybrid Crossover Ductless Training 2023 MURA and MUAA Hybrid Crossover Ductless Zoom Training MURA and MUAA Hybrid Crossover Knowledge Check 2023

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Question 1 of 10

1. Question
Which of these accessories does NOT come standard with the 40MUAA fan coil?
- KSACN1001AAA wired remote.
- RG10 wireless remote.
- Braze to flair adapters.
- All these accessories come standard with the 40MUAA fan coil.
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Question 2 of 10

2. Question
Which statement is true when matching the 38MURA with the 40MUAA?
- The 38MURA comes factory charged for 15 feet.
- All sizes will require a 3/8-inch liquid line.
- Both refrigerant lines must be insulated.
- A liquid line dryer is NOT required.
Correct

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Question 3 of 10

3. Question
Select the best answer concerning the 40MUAA fan coil.
- This unit has three coil temperature sensors.
- This unit has a T1 room temperature sensor located near the coil inlet.
- The cooling EXV is located on the indoor evaporator coil.
- All the above.
Correct

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Question 4 of 10

4. Question
Select the best answer concerning the 38MURA heat pump.
- This unit has a push button and two-digit display for checking run status and sensors.
- The reversing valve energizes with 24 Vac in cool mode and defrost.
- Two-wire RS-485 communication wiring is required for operation.
- All the above.
Correct

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Question 5 of 10

5. Question
Which is not a possible scenario for the 38MURA/40MUAA?
- Thermostat wired to fan coil, with RS-485 communication to heat pump.
- Wired remote to fan coil, with thermostat to heat pump.
- Wired remote to fan coil, with RS-485 communication to heat pump.
- Thermostat wired to fan coil, with thermostat wired to heat pump.
Correct

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Question 6 of 10

6. Question
Select the best answer for the crossover application using gas furnace and evaporator coil.
- Metering device must be removed from the indoor coil.
- During a defrost cycle the furnace will operate in “low stage” only.
- A dual fuel thermostat must be used.
- All the above.
Correct

Incorrect
Question 7 of 10

7. Question
Which one of these signals will not operate the 38MURA in heat pump mode?
- 24 Vac to Y1.
- 24 Vac to Y1 and B.
- 24 Vac to Y2 and B.
- 24 Vac to W.
Correct

Incorrect
Question 8 of 10

8. Question
On which of these Crossover Applications should the 38MURA only operate with an indoor high-speed blower?
- FZ4ANP Fan Coil (2-stage blower)
- FV4C Fan Coil (Variable speed blower)
- 59SP6/926SA Gas Furnace (2-speed blower)
- All the above.
Correct

Incorrect
Question 9 of 10

9. Question
Which of these Crossover Applications cannot provide heat during defrost?
- FZ4ANP Fan Coil.
- FV4C Fan Coil.
- 59SP6/926SA Gas Furnace.
- Emergency Heat on TSTAT to W/W1 on furnace.
Correct

Incorrect
Question 10 of 10

10. Question
Select the best answer concerning the 38MURA heat pump.
- This unit contains a pressure transducer and suction temperature thermistor.
- A call for Y1 can achieve maximum compressor frequency.
- Defrost cycle will energize ‘D’ terminal with 24 Vac, (scenario 3, full 24 Vac operation only).
- All the above.
Correct

Incorrect

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