Setup and adjustments - 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 front panel of the A421 Series Electronic Temperature Control has an LCD and a three-button UI as shown in the following figure.

Figure 1. A421 Control front panel with LCD and three-button UI