
Green Air CT-DH-3 Synchronized Thermostat and Dehumidistat
The CT-DH-3 was built to run alongside CO2 equipment and exhaust fans. When temperature or humidity rises, it activates the right-hand exhaust outlets and deactivates the left-hand CO2 outlets at the same time. Internal sensors hold a 7° temperature comfort zone and a 7% humidity span. It has no photosensor.
Synchronizing CO2 and Exhaust on Four Outlets
The logic keeps CO2 and venting from fighting each other in a sealed room. Plug the controller into a surge protector, then into a 110V wall outlet, to guard your gear. Set the temperature and humidity to your targets on the dials. Split your CO2 gear onto the left outlets and exhaust fans onto the right. When the room cools and dries, CO2 resumes and exhaust stops.
Key Features
- Synchronized outlets: Exhaust and CO2 outlets swap so the two never run against each other.
- 7 degree comfort zone: Holds a 7F band before cycling the exhaust outlets.
- 7% humidity span: Differential keeps humidity from swinging wide.
- 4 outlets: Two CO2 outlets and two exhaust outlets on one controller.
- No photosensor: Runs on temperature and humidity alone, without a light sensor.
Technical Specifications
| Specification | Value |
|---|---|
| Function | Synchronized cooling thermostat + dehumidistat |
| Outlets | 4 (2 CO2, 2 exhaust) |
| Temperature Span | 7° |
| Humidity Span | 7% |
| Photosensor | None |
| Control | Dial set |
| Power | 110V (use with surge protector) |