Free-cooling and ventilation control - PENN Controls - LIT-12012249 - A421ABT - A421AET - Electronic Temperature Control - A421 Series Electronic Temperature Control

A421 Series Electronic Temperature Controls with Cycle Timer Product Bulletin
Product
Controls > Electromechanical Temperature Controls > A421 Series Electronic Temperature Control
Document type
Product Bulletin
Document number
LIT-12012249
Revision date
09/01/2023

Set the cycle period from 0 minutes to 60 minutes, and maintain the level of ventilation for the preferred temperature and for warmer, cooler, or extremely colder temperature ranges as shown in Figure 1.