Frequently Asked Questions

How to replace?

  • Step 1: Turn off the power to the system.
  • Step 2: Remove the old control unit by unscrewing it from its mounting.
  • Step 3: Install the new MR4PMUHV-12C control unit and connect the sensor cables.
  • Step 4: Power on the system to test the new unit.

Estimate time?

Approximately 30 minutes for replacement.

Light
Dark