DCV Lower Limit and Upper Limit

This is often determined by local codes. Below is a table for reference info only.

(1) Assumed occupant activity level for listed occupancy category, using Met values from the 2017 ASHRAE Handbook–Fundamentals (Chapter 9, Table 4).

Here are the approximate values on the RTEM potentiometers.

WARNING:

Information in this article is intended for use by individuals possessing adequate backgrounds of electrical and mechanical experience and who comply with all federal, state, and local laws, rules, orders, or regulations related to the installation, service, or repair of a heating or central air conditioning product. Any attempt to install, service, or repair a heating or central air conditioning product may result in personal injury and/or property damage. The manufacturer or seller cannot be responsible for the interpretation of the information contained herein, nor can it assume any liability in connection with its use.