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
E
Revision date
2022-08-25

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