EC Motor Control Test Procedure
High Voltage Volt Test
Perform this test in addition to all tests and practices prescribed by the equipment manufacturer and your professional training.
Electrical Interference from HVAC Relays
Most relays used in HVAC machines allow low voltage 24Vac circuits to control high voltage, high current devices like motors and electric heating elements. These relays need special attention so they do not interfere with electronic devices inside or near the HVAC machine.
+5V Calibration Tech Bulletin
Many EVO products have an adjustment marked +5V CAL. This is a factory set adjustment that affects the accuracy of the product’s 0-10Vdc inputs and outputs.
Periodic adjustment is not required.