1. Introduction
The AC Infinity Controller 75 PRO is a digital outlet controller designed to provide smart environmental controls for HVAC or growing applications. This device enables independent programming for up to two connected devices, offering precise management of temperature, humidity, VPD (Vapor Pressure Deficit), and timing functions. It integrates with a mobile application via Bluetooth or WiFi for advanced programming, data monitoring, and notifications.

2. Product Features
- Dual Device Control: Powers up to two outlet devices independently or together, with a collective support of up to 1100W.
- Comprehensive Programming: Includes temperature, humidity, and VPD triggers, along with timers, cycles, scheduling, and custom buffer settings.
- Wireless Connectivity: Pair with the AC Infinity app via Bluetooth or WiFi for advanced program access, climate data viewing, and notification management.
- Advanced Sensors: Features a thermal-alloy probe for accurate, millisecond-level measurement of temperature, humidity, and VPD changes.
- Power-Failure Memory: Retains all settings and automatically resumes previous programs after a power interruption.




3. Setup
- Unboxing: Carefully remove the Controller 75 PRO and its components from the packaging. Verify all included components are present.
- Sensor Connection: Plug the thermal-alloy sensor into the designated port on the controller. Ensure the connection is secure.
- Device Connection: Plug your desired AC-powered devices (e.g., fans, heating mats) into the two outlets on the controller.
- Power On: Plug the controller's power cord into a standard electrical outlet. The display should illuminate.
- App Download & Connection: Download the AC Infinity app from your device's app store. Follow the in-app instructions to connect the Controller 75 PRO via Bluetooth or WiFi. This step is crucial for unlocking advanced programming features and remote monitoring.

4. Operating Instructions
4.1 On-Device Controls
The Controller 75 PRO features an intuitive display and physical buttons for basic adjustments. Refer to the on-screen prompts and the included quick-start guide for initial setup and direct control of settings like target temperature or humidity.
4.2 Mobile App Control
For full functionality and advanced programming, utilize the AC Infinity mobile application. The app allows you to:
- Set Independent Programs: Configure distinct temperature, humidity, and VPD triggers for each of the two connected outlets.
- Schedule Operations: Create custom ON/OFF timers, cycle programs, and daily/weekly schedules for your devices.
- Monitor Climate Data: View real-time and historical data for temperature, humidity, and VPD.
- Receive Notifications: Get alerts for environmental changes, device status, or program completions.
- Adjust Calibrations: Fine-tune sensor readings for optimal accuracy.

5. Maintenance
- Cleaning the Controller: Use a soft, dry cloth to wipe the surface of the controller. Avoid abrasive cleaners or solvents. Ensure no liquid enters the device.
- Sensor Care: Keep the thermal-alloy sensor clean and free from debris. If necessary, gently wipe the sensor tip with a damp cloth and allow it to dry completely before re-use. Avoid bending or damaging the sensor probe.
- Storage: When not in use for extended periods, store the controller and sensor in a cool, dry place away from direct sunlight and extreme temperatures.
6. Troubleshooting
- Controller Not Powering On:
- Ensure the power cord is securely plugged into both the controller and a functional electrical outlet.
- Check the circuit breaker for the outlet.
- Devices Not Responding:
- Verify that the devices are properly plugged into the controller's outlets.
- Check the controller's display and app to ensure the programs are active and the outlets are set to ON.
- Confirm the devices themselves are functional by plugging them directly into a wall outlet.
- Inaccurate Sensor Readings:
- Ensure the sensor probe is clean and unobstructed.
- The sensor may require calibration. Use the AC Infinity app to access calibration settings and follow the instructions for temperature, humidity, or VPD calibration.
- Avoid placing the sensor in direct airflow or near heat/cold sources that do not represent the general environment.
- App Connectivity Issues:
- Ensure your mobile device's Bluetooth and/or WiFi is enabled.
- Verify the controller is within range of your WiFi router or mobile device for Bluetooth connection.
- Restart the AC Infinity app and/or your mobile device.
- If using WiFi, check your network connection and ensure the controller has been properly configured to your WiFi network.
If issues persist, please refer to the AC Infinity support resources or contact customer service.
7. Specifications
| Feature | Specification |
|---|---|
| Model Number | CTR75P |
| Part Number | CTR79P |
| UPC | 819137024458 |
| Brand | AC Infinity |
| Voltage | 230 Volts (AC) |
| Device Output | Up to 1100W (collective for two outlets) |
| Sensors | Temperature, Humidity, VPD |
| Probe Length | 12 Feet |
| Operating Temperature | 32 Degrees Fahrenheit (minimum) |
| Product Dimensions | 4.64 x 4.84 x 1.18 inches |
| Item Weight | 1.68 pounds |
| Material | Plastic |
| Display Type | LCD |
| Special Features | Programmable |
| Included Components | Controller |
| Batteries Included? | No |
| Batteries Required? | No |

8. Warranty and Support
The AC Infinity Controller 75 PRO is covered by a manufacturer's warranty. Please refer to the warranty card included with your product or visit the official AC Infinity website for detailed warranty terms and conditions.
For technical support, troubleshooting assistance, or warranty claims, please contact AC Infinity customer service through their official website or the contact information provided in your product packaging.





