CLICK HERE to take the 2023 Carrier/Bryant Infinity/Evolution Variable Speed & 2-Stage Systems Quiz

Technical info can be found where?

Carrier Enterprise App
Internet
CENE tech website (cenetechsupport.com)
Carrier Service Tech App
All of the above

The base wiring of all Infinity/Evolution low voltage wiring is the ABCD bus?

True
False

The Infinity/Evolution ABCD bus must be ran in stranded shielded cable ?

True
False

The ABCD bus should be ran?

Along with the power lines
Away from sources of electrical or magnetic interference.
With shielded cable grounded at both ends.
All of the above.

The voltages on the ABCD bus are?

24 volts on A & B DC volts on C & D
24 volts on C & D DC Volts on A & B
24 Volts to ground on all A, B, C & D
DC volts to ground on all A, B, C & D

Line voltage wiring connected to the indoor and outdoor units must be?

What ever was there for the old unit.
Copper wiring sized per NEC standards.
Wire sized per NEC standards and local codes.
Copper wiring sized per Local codes and NEC standards.

All Infinity / Evolution systems can have up to how many feet of interconnecting refrigerant piping.

100 feet
200 feet
200 feet if no more than a 20-foot vertical separation.
None of the above

All Infinity / Evolution variable speed or multistage Inverter driven units require the liquid line to be?

Insulated
3/8 inch refrigeration grade copper tubing
Sized by the overall length of the run.
The same size as the filter drier for noise reduction.

All Infinity / Evolution variable speed or multistage Inverter driven units require the Vapor line to be?

Sized by the overall length of the run.
The same size as the indoor unit connections.
The same size as the outdoor unit connections.
To have a vibration eliminator.

A system is considered to be a Long Line Run application when?

Longer than 80 feet of liquid line. When on same level.
More than 20 feet of vertical separation when outdoor is below indoor.
More than 80 feet when outdoor is above indoor.
All of the above.

The UI software version is not important for Inverter driven units as they are all Backward compatible.

True
False

Which Variable speed products have Bluetooth Connectivity to the outdoor unit Via the Service Tech App?

All of them
Only the ones made after 2021
The 24 Seer Heat pump & 26 Seer cooling
The 5 stage inverters 18 Seer Heat pumps & 19 Seer cooling.

The Service Tech App can be used to update the software?

In various components of the outdoor Unit.
In Various components of the Indoor Unit.
In various components of the Outdoor and indoor unit.
In Various components of the outdoor, indoor units and the wall control.

Once connected to the outdoor unit via Bluetooth you can view?

The outdoor unit model & serial.
The suction and discharge pressures and temperatures.
The electrical a/c & d/c voltages.
All of the above plus fault codes, history and software updates.

In order to upgrade the software on all components of a Bluetooth capable system you need?

The Service Tech App
The system wired and connected to Wi-Fi.
A HVAC Partners account and password.
All of the above.

When installing Infinity / Evolution zoning systems which dampers are compatible?

Any 24V damper will operate.
24V open spring return dampers.
24V power open power closed, position tracked by timing.
DC voltage communicating dampers.

The zone damper module can control up to how many zones?

6
4
3
8

In a zoned system the smart sensors read humidity?

In the location they are installed.
Via communication from the humidistat.
Based on a temperature/humidity curve over Wi-Fi.
Smart sensors do not rad humidity.

Remote room sensors are?

50K ohm resistors
25K ohm resistor
10 watt zinc plated varistors
10K ohm resistors

When sizing the airflow for individual zones it is important that?

All zones are the same size
That the smallest zone can handle the minimum CFM requirement of the heating and or cooling system installed.
That the smallest zone is always calling.
That the sensor for the zones are in the return air.

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