Control Options
| Control Option | Enable Conditions | Optional Sensors Required |
| Comparative Enthalpy |
Outside Air Enthalpy < Return Air Enthalpy – Econ Enthalpy Offset and Outside Air Temperature < Economizer Dry Bulb Setpoint – Econ Dry Bulb Offset |
Outdoor Air Temperature Sensor Outdoor Air Humidity Sensor Return Air Temperature Sensor Return Air Humidity Sensor |
| Reference Enthalpy |
Outside Air Enthalpy < Reference Enthalpy Setpoint – Econ Enthalpy Offset and Outside Air Temperature < Economizer Dry Bulb Setpoint - Econ Dry Bulb Offset |
Outdoor Air Temperature Sensor Outdoor Air Humidity Sensor |
| Dry Bulb |
Outside Air Temperature < [Economizer Outdoor Air Enable Setpoint BAS - Economizer Dry Bulb Enable Offset] |
Outdoor Air Temperature Sensor |
| Differential Dry Bulb |
Outside Air Temperature < RA Temp - Economizer Dry Bulb Enable Offset - Economizer Dry Bulb Disable Return Air Offset |
Outdoor Air Temperature Sensor Return Air Temperature Sensor |
See below to download a PDF of the Symbio 700 Controller Application Guide.
Click the e-library symbol for the latest version
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.