Cad Cell Relay

The cad cell itself that is the little cell that sees the oil burner flame is wired often by a yellow wire to the cad cell relay switch see photo which is usually a gray box with a red reset button located on top of or alongside the the oil burner assembly.

Cad cell relay.

W x 3 1 4 in. Quick connect terminal l1 hot l2 fan relay cooling control t8600 rc g y r w cooling transformer 1 fig. 2 cad cell 2 burner motor l2 burner ignitor cad cell l1 junction box alarm t t legend. Hvac part for a heating application.

Use for frostfighter idf and ohv oil diesel fire. Once the burner is running and the flame is established the cad cell must have a low resistance cad cell sensing flame to keep the primary control from locking out on safety. This replacement cad cell relay is designed for use with a beckett afg burner. Typical connection for 24 vac thermostat and r7184b p u for valve on delay blower off delay oil burner system.

Customers who viewed this item also viewed. H x 7 in. Honeywell r7184u1004 15 second universal cad cell relay microprocessor oil burner control renewed 132 75 works and looks like new and backed by the amazon renewed guarantee. Replacement cad cell relay.

It is used with a cad cell flame sensor operates an oil burner and optional oil valve. Diagnostics with actionable information. Screw terminal 1 4 in. What is the first thing the service technician should do.

Igniter spark detection cad cell high during run cad cell adjustment cleaning flame proven late in trial and low voltage alarms. If the cad cell senses light or is shorted the relay in the primary control will not pull in to start the burner. Compatible with a beckett afg burner. Applicable for use with both hydronic and forced air systems.

The intention of this service video is to demonstrate how to test the cad cell and the controller of a unit. This article series explains the operation use and reset button on cad cell relay controls including the cad cell works to see the oil burner flame what goes wrong in an oil burner that the cad cell eye can detect and how cad cell sensors are tested using several methods including a vom. The beckett replacement cad cell relay is designed for an hvac heating application.