Leaving the installation - PENN Controls - A19BAC - A28AA - Electromechanical Temperature Control - A19 Coiled Bulb Control - A28 and A36 Multi‐Stage Temperature Control

A19BAC, A28AA Single and Two-Stage Space Thermostats for Heating and Ventilation Applications Installation Guide

Product name
A19 Coiled Bulb Control
A28 and A36 Multi‐Stage Temperature Control
Document type
Installation Guide
Document revision
G
Revision date
2023-10-18
Part number
996-238

Before you leave the installation, observe at least three complete operating cycles to ensure that all components function correctly.

In addition, complete the following tasks specific to your installation:

  • If the temperature controls do not operate as the following tasks describe, check all wiring for short circuits and check that the wiring connections are tight.
  • If controlled devices operate in reverse by starting in high or in a fully open position, check the wiring. The wiring might be reversed.