Electromechanical Precedent with a Gray Trane Economizer Module

Option 1

• Use a DCV kit for a Reliatel Precedent Unit (just be sure not to install the Reliatel Economizer Module provided in the kit) and wire it as shown below. If you wire the CO2 sensor as shown, you don’t have to worry about the OUT2 jumper position.

Option 2

• Use a Foundation Kit and wire as shown below. Again if you wire the CO2 sensor as shown, you don’t have to worry about the OUT2 jumper position.

Option 3

• Wire directly to the Economizer Module as shown below, you just need to come up with a 2 pin plug. Two options for obtaining a 2 pin plug are Trane Part numbers WIR04126 or BAYSENS016 and then cut and splice.

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.