Cad Cell Relay

Screw terminal 1 4 in.

Cad cell relay. 2 cad cell 2 burner motor l2 burner ignitor cad cell l1 junction box alarm t t legend. It is used with a cad cell flame sensor operates an oil burner and optional oil valve. 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. Typical connection for 24 vac thermostat and r7184b p u for valve on delay blower off delay oil burner system.

Page 1 of 1 start over page 1 of 1. 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. 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.

Hvac part for a heating application. The beckett replacement cad cell relay is designed for an hvac heating application. 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.

W x 3 1 4 in. An oil burner equipped with the cad cell relay will ignite run for about ninety seconds and cut off. Diagnostics with actionable information. H x 7 in.

Applicable for use with both hydronic and forced air systems. This replacement cad cell relay is designed for use with a beckett afg burner. 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.

Customers who viewed this item also viewed. The grade of fuel used in residential and light commercial units is. If the cad cell senses light or is shorted the relay in the primary control will not pull in to start the burner.