Overview:
The Odyssey Symbio 700 controller still uses the 10KΩ @ 77°F thermistor but the open voltage is now 2.5 VDC.
Both open and shorted sensors will report as 200° F
To troubleshoot sensors and Zone Sensors simply divide Reliatel values by 1/2.
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.