2023 Inverter Driven Unit Day 1 Quiz

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Question 1 of 25

1. Question

One of the best ways to get information on Carrier & Bryant equipment is to _____________________.

Download and Use the Carrier/Bryant Mobile App
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Search on Google
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Call tech support
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Ask my boss/supervisor
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Question 2 of 25

2. Question

On the the Carrier/Bryant Mobile App what features are available?

Barcode scanning of unit’s serial or model number
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Literature list for models and ability to search all available literature
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Product Catalog model lookup
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Bill of Material parts list including part supersession
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Warranty entitlement & service history
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Aftermarket components cross reference tool
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Distributor store locator
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Tech Tips videos for installation guides, troubleshooting help and best practices
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Instant authentication with support for fingerprint and facial recognition on compatible devices
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Interactive Troubleshooting tool
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All of the above
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Question 3 of 25

3. Question

What is the most unique feature added to the Infinity® 26/24 with Greenspeed Intelligence & Evolution™ Extreme 26/24 systems?

It's 84" tall to make service easier
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Has Bluetooth technology to aid in diagnostics
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Is round shaped
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Has a ceramic coated condenser coil.
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Question 4 of 25

4. Question

All 26/24 SEER Greenspeed/Extreme units have a Braze Plate Heat Exchanger and an EXV?

Yes, all sizes have a Braze Plate Heat Exchanger and and EXV
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ONLY The 2 and 3 Ton have a Braze Plate Heat Exchanger and an EXV
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ONLY The 5 ton machine has a Braze Plate Heat Exchanger and an EXV
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ONLY The even size machines have a Braze Plate Heat Exchanger and an EXV
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ONLY The 5-Stage equipment has the Braze Plate Heat Exchanger and an EXV
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Question 5 of 25

5. Question

The PCM board was formerly know as the ____________ board?

Defrost board
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MOC board
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AOC board
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Inverter
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Question 6 of 25

6. Question

The PCM board has _____ fuse/s?

1 non-replaceable fuse for incoming power
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2 fuses
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3 fuses
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4 fuses
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Question 7 of 25

7. Question

With the Bluetooth module you can_______________?

Update the outdoor unit software/firmware
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See live operating pressures
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See unit fault history
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See voltages
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All of the above
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Question 8 of 25

8. Question

The crankcase heater is energized when the outdoor temperature drops below __________° on the 24VNA6/25VNA4 – 186CNV / 284ANV.

45°
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50°
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55°
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60°
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Question 9 of 25

9. Question

24VNA6/25VNA4 – 186CNV / 284ANV use a 5vdc output discharge and suction pressure transducer, what is the vdc range expected to be seen?

2.5-5vdc
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0-5vdc
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2-10ma
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4-20ma
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Question 10 of 25

10. Question

A solid green LED on the PCM board indicates what?

Fault codes
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Power on to the outdoor unit
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No communication
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24 VAC Present at the outdoor unit
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Successful communication
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Question 11 of 25

11. Question

A flashing amber LED on the PCM board indicates what?

Operation and error status
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Power on to the outdoor unit
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Successful communication with the other system products
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24 VAC Present at the outdoor unit
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Question 12 of 25

12. Question

What does the solid red LED indicate?

Alarm status
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Power to the inverter
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Not communicating
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In heating mode
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Question 13 of 25

13. Question

When does the ECM fan motor NOT operate?

Off cycle and defrost
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Low ambient condition
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Defrost and during low ambient operation
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When the compressor isn't operating
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Question 14 of 25

14. Question

What does the PCM sense to control the EXV in heating mode?

Indoor static pressure
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suction pressure and temperature
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Discharge temperature and pressure
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Outdoor ambient temperature
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Question 15 of 25

15. Question

What is the purpose of the Braze Plate Heat Exchanger in the 5 ton machines?

Help with refrigerant noise
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Increase capacity
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Keep refrigerant from migrating
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No longer require an accumulator
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Question 16 of 25

16. Question

What is the minimum version of software the UI must have to operate 24VNA6/25VNA4 – 186CNV / 284ANV systems?

3.62 or higher
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4.05 or higher
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3.00 or higher
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As long as as it is a communicating UI it will work
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Question 17 of 25

17. Question

Where is it recommended to install the filter/drier on the 5 ton 24VNA6/25VNA4 – 186CNV / 284ANV systems?

Near the indoor coil
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Near the outdoor unit
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A filter/drier is not required for these units
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At the easiest location
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Question 18 of 25

18. Question

Where is it recommended to install the filter/drier on the 4 ton and smaller 24VNA6/25VNA4 – 186CNV / 284ANV systems?

Near the indoor coil
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Near the outdoor unit
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A filter/drier is not required for these units
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At the easiest location
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Question 19 of 25

19. Question

What is the MAX. outdoor ambient temperature for cooling mode 24VNA6/25VNA4 – 186CNV / 284ANV?

116°
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125°
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105°
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130°
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Question 20 of 25

20. Question

What is the MAX outdoor ambient temperature for heating mode on the 24VNA6/25VNA4 – 186CNV / 284ANV??

66°
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60°
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70°
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72°
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Question 21 of 25

21. Question

What is the maximum equivalent length of lineset allowed on a 24VNA6/25VNA4 – 186CNV / 284ANV?

80'
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120'
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250'
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As long as my lines are sized accordingly, it doesn't matter
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Question 22 of 25

22. Question

What is the maximum equivalent line length for the 5-stage unit?

85'
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100'
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150'
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200'
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Question 23 of 25

23. Question

Why is it recommended to flow nitrogen when brazing copper lines?

To sell more nitrogen
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To minimize copper oxide
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To eliminate excess refrigerant
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To slow the evacuation process
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Question 24 of 25

24. Question

What is the fastest way to update the UI software?

Using Wi-Fi
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Using your phone hotspot
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Using a MicroSD Card
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The UI should have the most current version of software so I don't need to update it
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Question 25 of 25

25. Question

What is the maximum equivalent length of lineset allowed on the 24VNA6/25VNA4 – 186CNV / 284ANV?

80'
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120'
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250'
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As long as my lines are sized accordingly, it doesn't matter
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