Anden / Aprilaire DH55A77
Anden A77 Digital Dehumidifier Control User Manual
Models: A210V1, A320V1, A320V3
Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your Anden A77 Digital Dehumidifier Control. This unit is designed to monitor and adjust the relative humidity in indoor cultivation and grow room environments, optimizing the performance of compatible Anden dehumidifiers.
Please read this manual thoroughly before installation and operation to ensure proper use and to prevent damage to the unit or associated equipment.
Product Overview
Figure 1: Front view of the Anden A77 Digital Dehumidifier Control. The unit features a central digital display, up and down arrow buttons on the right for adjustments, and 'ON' and 'OFF' circular buttons at the bottom. The Anden logo is visible on the bottom right.
The Anden A77 Digital Dehumidifier Control is a wall-mounted, wired unit that connects directly to your Anden dehumidifier. It features an intuitive interface for setting and monitoring relative humidity levels.
Key Features:
- Digital display for real-time relative humidity readings.
- Up/Down arrows for precise humidity level adjustments.
- One-touch ON/OFF buttons for easy control.
- Wired connection for accurate and reliable control.
- Durable plastic construction.
Specifications:
| Attribute | Value |
|---|---|
| Brand | Anden / Aprilaire |
| Model Name | Anden Dehumidifier Control for A210V1, A320V1 & A320V3 |
| Item Model Number | DH55A77 |
| Product Dimensions | 4.4"D x 2.3"W x 4.4"H |
| Item Weight | 5.3 ounces |
| Color | White |
| Material | Plastic |
| Wattage | 1.2 watts |
| Operation Mode | Continuous |
| UPC | 686720007767 |
Safety Information
Always disconnect power to the dehumidifier before installing or servicing the control unit. Ensure all wiring is performed by a qualified electrician and complies with local electrical codes. Do not expose the control unit to water or extreme temperatures.
Setup and Installation
The Anden A77 control unit is designed for wall-mounted installation and wired connection to compatible Anden dehumidifiers (A210V1, A320V1, A320V3).
Tools Required:
- Screwdriver
- Wire strippers
- Drill (if mounting to drywall/studs)
- Level
Installation Steps:
- Power Disconnection: Ensure the power supply to the dehumidifier and the area where the control will be installed is completely disconnected at the circuit breaker.
- Mounting Location: Select a suitable wall location that is representative of the humidity levels in the grow room, away from direct airflow from fans, vents, or the dehumidifier itself. Avoid locations near heat sources or direct sunlight.
- Mounting the Control:
- Carefully open the control unit casing to access the mounting holes and wiring terminals.
- Position the control unit on the wall and mark the drilling points.
- Drill pilot holes if necessary and secure the control unit to the wall using appropriate screws. Ensure it is level.
- Wiring:
- Route the low-voltage control wiring from the dehumidifier to the control unit.
- Connect the wires to the designated terminals on the A77 control unit as per the wiring diagram provided with your dehumidifier and the A77 control. Refer to the specific wiring instructions for your dehumidifier model (A210V1, A320V1, A320V3).
- Ensure all connections are secure and properly insulated.
- Close Casing: Carefully close the control unit casing, ensuring no wires are pinched.
- Restore Power: Once installation is complete and verified, restore power to the dehumidifier and control unit at the circuit breaker.
Operating Instructions
The Anden A77 Digital Dehumidifier Control provides straightforward operation for maintaining optimal humidity levels.
Powering On/Off:
- To turn the control unit ON, press the circular button labeled "ON". The display will illuminate and show the current relative humidity.
- To turn the control unit OFF, press the circular button labeled "OFF". The display will turn off, and the dehumidifier will cease operation via the control.
Adjusting Humidity Setpoint:
- Ensure the control unit is powered ON. The display shows the current relative humidity.
- To increase the desired humidity setpoint, press the Up Arrow button (▲).
- To decrease the desired humidity setpoint, press the Down Arrow button (▼).
- The display will briefly show the new setpoint as you adjust it, then revert to displaying the current relative humidity. The dehumidifier will activate or deactivate based on the comparison between the current humidity and the setpoint.
The dehumidifier will operate automatically to maintain the set relative humidity level. When the ambient humidity rises above the setpoint, the dehumidifier will turn on. When it falls below the setpoint, the dehumidifier will turn off.
Maintenance
The Anden A77 Digital Dehumidifier Control requires minimal maintenance to ensure continued accurate operation.
- Cleaning: Periodically wipe the exterior of the control unit with a soft, damp cloth. Do not use abrasive cleaners or solvents. Ensure no liquid enters the unit.
- Sensor Area: Keep the area around the control unit clear of obstructions to allow for accurate humidity sensing. Do not block the sensor vents (if any are visible).
- Wiring Inspection: Annually inspect the wiring connections to ensure they remain secure and free from corrosion or damage. Disconnect power before inspection.
Troubleshooting
If you experience issues with your Anden A77 Digital Dehumidifier Control, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Control display is blank. | No power to the unit. | Check the circuit breaker for the dehumidifier and control unit. Ensure the "ON" button is pressed. Verify wiring connections. |
| Dehumidifier not responding to control. | Incorrect wiring; Dehumidifier power off; Setpoint not met. | Verify all wiring connections are correct and secure. Ensure the dehumidifier itself is powered on. Check if the current humidity is above the setpoint (dehumidifier should run) or below (dehumidifier should be off). |
| Humidity reading seems inaccurate. | Sensor obstructed or located in poor area. | Ensure the sensor area on the control is clean and unobstructed. Relocate the control if it's in an area with unusual airflow or temperature fluctuations. |
| Buttons are unresponsive. | Unit malfunction. | Try cycling power to the unit (turn off at breaker, wait 30 seconds, turn back on). If the issue persists, contact customer support. |
If troubleshooting steps do not resolve the issue, please contact Anden / Aprilaire customer support for further assistance.
Warranty Information
Anden / Aprilaire products are manufactured to the highest quality standards. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official Anden / Aprilaire website. Keep your proof of purchase for warranty claims.
Customer Support
For technical assistance, replacement parts, or warranty inquiries, please contact Anden / Aprilaire customer support:
- Website: www.anden.com
- Phone: Refer to the contact information on the product packaging or official website.
When contacting support, please have your product model number (DH55A77) and serial number (if applicable) ready.
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