2024 ECM Motor Training Day 1 Quiz

ECM motor speeds are infinite variable from 250 to 1300 rpm?

PSC motors are fixed speeds generally from 700 to 1100 rpm?

ECM will deliver requested airflow regardless of static up to .8″wc.

ECM Rotor is a permanent magnet?

How many windings does an ECM motor have?

ECM motors react to change in static pressure of the duct system.

An ECM motor is preprogramed and contains profiles for all modes of operation.

What determines the Torque of the motor?

Operating in high static applications can make the motor 60% efficient vs 90% efficient

What code is generated when an ECM motor is operating out of its range?

PSC motors out perform ECM motors in high static situation?

What does ECM stand for?

What phase is a ECM motor?

ECM runs a wide range of speeds.

ECM motors are the least efficient motors available?

What does and ECM motor adjust to deliver constant airflow?

ECM motors are DC motors with brushes?

How many phase inverter is the ECM control module?

Capacitors convert AC to DC voltage

Rectifiers filter power?

What type of magnets are the ECM rotor made of?

The line voltage harness to the motor has a 16 pin connector?

How many pin is the low voltage connector?

Slight cogging or rocking at start up is normal for ECM

What controls the ECM in an FV4 Fan Coil?