Relay status LED - PENN Controls - A421ABD - A421AED - Electronic Temperature Control - A421 Off‐Cycle Defrost Model

A421 Series Electronic Temperature Controls with Off-Cycle Defrost Installation Guide

Product name
A421 Off‐Cycle Defrost Model
Document type
Installation Guide
Document revision
Revision date

The green LED on the front panel illuminates when the SPDT output relay is energized and the LC and LNO contacts are closed. See Figure 1.