Dr. Smart
PURON Advance
(R-454B)
Best Practices
Error Codes
Components
100

Used to select testing voltage.

What is the Blue Button?

100

Flammable gas that IS NOT in R-454B.

What is Propane?

100

The step that involves Nitrogen.

What is pressure testing?

100

Communication error code.

What is E1?

100

The heart of the system.

What is the compressor?

200

The ENTER Key.

What is the check button?

200

Classification of R-454B.

What is A2L?

200

Microns necessary for a proper vacuum.

What is 500?

200

DF Code.

What is defrost cycle?

200

A device that senses temperature.

What is a thermistor?

300

The wire you disconnect to simulate indoor unit.

What is the "S" wire?

300

Mitigation sensor location. (Leak Detection)

What is on the indoor coil?

300

Minimum lineset length.

What is 10'?

300

Error code displays on cover instead of temperature.

What is a high wall unit?

300

Moves air through the outdoor coil.

What is the condenser fan motor?

400

Colors of the LNS wires.

What is Brown, Blue, & Black?

400

The two refrigerants that make up R-454B.

What are R32 & R1234YF?

400

True or False

Filter driers and sight glasses can be added t ductless systems.

False

400

Code EH-b3 the "H" stands for.

What is the indoor unit?

400

Reverses refrigerant flow.

What is the reversing valve?

500

The fastest way to tell if the indoor or outdoor board is communicating.

What is the Dr. Smart tool?

500

R-454B equipment used with 410A systems.

What is Not Dual Rated?

500

Ensures proper sizing and operation.

What is a Manual J?

500

Code PC04 the "C" stands for.

What is the outdoor unit?

500

The T4 Sensor.

What is the outdoor temperature sensor?

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