In this article
Symbio 700 Fresh Air Options Module
Summary:
This Fresh Air Options Module kit is required when adding a 0-50% motorized damper, 0-100% economizer, power exhaust, or clogged filter accessory. The module operates with the Symbio 700 to provide logic control.
| Model Number: | Used With: |
| FIAOPTN002* | Precedent™ with Symbio™ 700 Controls |
Click the e-library symbol for the latest version of the installation guide
- When adding a field-installed economizer that is shipped from the factory as a multi-speed (CVZT) unit, a discharge air sensor kit is required.
- The discharge air sensor is factory-installed when the unit is shipped from the factory as a single-zone (VVZT) or multi-zone (VVDA).
Discharge Air Sensor - link below
Module Address:
When the Fresh Air Options module is field-installed, set the address rotary switches to 76. This is required to integrate the module with the Symbio controller. If the Fresh Air Options module was powered up before setting the address, reset the IMC link. To reset the IMC link, go to Tools > Service > scroll down to IMC LINK RESET.
For more information about addressing each module, click the link below:
Wiring Connections:
Download the wiring diagram at the end of this article.
Configuration:
0-100% Economizer:
From the Home screen go to Settings > View Configuration > Edit > Proceed and change Outside Air, Remote Minimum Position, and Economizer Type
Power Exhaust:
From the Home screen go to > Settings > View Configuration > Edit > Proceed and change Space Pressure Control to Relief Fan Only.
0-50% Motorized Damper:
From the Home screen, go to Settings > View Configuration > Edit > Proceed and change Outside Air to 0-50% Motorized Damper.
Clogged Filter Switch:
From the Home screen > Settings > View Configuration > Edit > Proceed and change Clogged Filter to Installed
Possible Alarms:
- Diagnostic: Unit Communication Failure
- Fresh Air Options Module Communication Status
- Clogged Filter Input
- Relief Fan Output Status
- Outdoor Air Damper Position
- Outdoor Air Damper Command
- Return Air Smoke Detector Status - (Factory-Installed Only)
- Discharge Air Local
The following alarms depend on the economizer type:
(Dry Bulb/Reference Enthalpy/Comparative Enthalpy/Differential Dry Bulb)
- Outdoor Air Relative Humidity Local
- Return Air Humidity Local
- Return Air Temperature Input
- Return Air Temperature Active
- Outdoor Air Humidity Arbitrator
- Outdoor Air Enthalpy Active
- Return Air Temperature Arbitrator
- Return Air Humidity Active
- Return Air Humidity Arbitrator
- Return Air Enthalpy Active
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.