2022 Next Generation & 5-Stage Infinity Greenspeed / Evolution Extreme Variable Speed Systems Quiz

When troubleshooting you should look at  _______________?

Technical info can be found where?

When on a service call you can?

You can check your cooling refrigerant charge in the checkout mode.

Place these in the correct order of sequence

You should pressure test a system with nitrogen above the systems normal operating pressures?

What benefits do we get from using nitrogen during the brazing process?

When the ABCD plug is plugged into the board with the power on, the DC voltage should be?

When troubleshooting a communication code, you should

How should a condensate float switch be wired in, on a communicating system?

Your return static pressure on a fan coil should not exceed

When checking the refrigerant charge, you should let the system operate for a minimum of how long before you check the charge?

When checking a thermal expansion valve to see if it is working correctly, you should verify?

When checking a thermistor, you should?

The variable speed blower is always communicating with the CPU when power is applied to the unit?

When ohming a compressor on a Variable speed or 5-Speed unit, the compressor should have what between each winding?

With the Bluetooth module you can_______________?

Can you use the “G” Terminal with a float switch?

Can you use the “G” Terminal with a de-humidifier?

The 5-ton Infinity® 26/24 with Greenspeed  Intelligence & Evolution™ Extreme 26/24 system has a unique feature. What is it?

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

What terminals are required to be hooked up for proper operation in a communicating system?

The crankcase heater is energized when the outdoor temperature drops below __________°?

What is the default defrost interval set at?

When does the ECM fan motor NOT operate?

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

How many steps does it take for the stepper motor on the EXV to go from fully open to fully closed?

What position is the EXV in during cooling mode?

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

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

Where is it recommended to install the filter/drier on the 4 ton unit and smaller?

The green LED on the PCM board indicates what?

What is the maximum equivalent length of lineset allowed?

What is the MAX. outdoor ambient temperature for cooling mode?

What is the MAX outdoor ambient temperature for heating mode?

The PCM board was formerly know as the ____________ board?

The PCM board has _____ fuse/s?

What version of software MUST the UI be updated to?

Which thermistor is NOT a 10k NTC resistor in Inverter driven units?

• OAT = Outdoor Ambient Temperature
• OCT = Outdoor Coil Temperature
• OST = Outdoor Suction Temperature
• ODT = Outdoor Discharge Temperature

What is the Bluetooth signal range?

What is the correct answer using the formula below when testing a transducer? Your measured output vdc on white and black is 2.5vdc

Suction Pressure psig = 50.0 x (DCV out – 0.5)

These units use a 5vdc output discharge and suction pressure transducer, what is the vdc range expected to be seen?

At what vertical separation is a solenoid valve required to be installed in the liquid line?

Which of the following is not a method to provide updates?

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

You should always disconnect PL20 to test voltage readings on the AOC board.

On the 5-Stage systems (18VS / 19VS 189BNV / 288BNV) When wired for conventional control how many stages of operation are available?

A brownout code only means loss of 240 VAC

When used with a communicating control, how many wires are required to the outdoor  unit?

Will I practice what I have learned today? And do my best to represent my industry as a professional?