Service & Troubleshooting Guide #15-01-01
Honeywell Modulation Motor
used on CEI hot oil heaters
The full-modulation burners used on CEI hot oil heaters are a key component in our heaters' high-efficiency operation. Honeywell modulation motors are an integral element in the full-modulation burner control.
This Service & Troubleshooting Guide from the CEI Service Dept explains how troubleshoot these Honeywell modulation motors, test their resistor boards and adjust cams.