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
E
Revision date
2022-08-25

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.