Introduction
This manual provides comprehensive instructions for the installation, operation, and maintenance of your RecPro RV Air Conditioner 13.5K. Designed for recreational vehicles, campers, fifth wheels, and food trucks, this unit offers efficient cooling, dehumidification, and quiet operation. Please read this manual thoroughly before installation and use to ensure proper function and safety.
Safety Information
Always observe basic safety precautions when installing, operating, or maintaining this appliance to reduce the risk of fire, electric shock, or injury to persons.
- Ensure the power supply is disconnected before any installation or maintenance.
- Installation should be performed by qualified personnel or a DIY enthusiast with appropriate knowledge.
- Verify that the voltage and current ratings of your RV's electrical system match the requirements of the air conditioner (110-120V).
- Do not block air inlets or outlets.
- Keep children and pets away from the unit during operation.
Setup and Installation
The RecPro RV Air Conditioner is designed for straightforward installation in standard 14" x 14" vent openings. The unit comes with a gasket for sealing between the unit and the roof.

Figure 1: Easy Installation Steps. This diagram illustrates the three primary steps for installing the RecPro RV Air Conditioner: securing the outdoor unit to the RV roof, connecting the electrical power, and then attaching the interior plenum.
Installation Steps:
- Prepare the Opening: Ensure your RV has a standard 14" x 14" roof vent opening. Clean the area around the opening thoroughly.
- Secure AC Unit to Roof: Carefully lift the exterior AC unit onto the roof, aligning it with the vent opening. The unit includes a gasket for a proper seal. Secure the unit using the provided mounting hardware.
- Connect Power: Route the electrical wiring (power, neutral, ground) from your RV's electrical system to the AC unit. Ensure all connections are secure and follow local electrical codes.
- Install Interior Plenum: From inside the RV, connect the interior plenum to the outdoor unit. This typically involves plugging in connections and securing the plenum to the ceiling.
- Final Checks: Verify all connections are tight and the unit is securely mounted. Test the unit's functionality.

Figure 2: RP-AC3501 RV Air Conditioner Measurements. This image provides key dimensions for the outdoor unit, including its length (39.5 inches), width (25.5 inches), and height (13.5 inches), along with the 13.5-inch spacing of the mounting holes.

Figure 3: Standard Vent Opening Fit. The RecPro RV Air Conditioner is designed to seamlessly fit into a standard 14-inch RV roof vent opening, as shown in this image of the unit installed on a vehicle's roof.
Operating Instructions
Your RecPro RV Air Conditioner comes with a user-friendly LED control panel and a wireless remote control for convenient operation.

Figure 4: Easy to Control. The RecPro RV Air Conditioner features a remote control and an LED display on the interior plenum, allowing for effortless climate adjustments.
Remote Control Functions:
- Power Button: Turns the unit on or off.
- Mode Button: Cycles through cooling, dehumidifying, dry, and sleep modes.
- Temperature Adjustment: Use the up/down arrows to set your desired temperature.
- Fan Speed: Adjusts the fan speed (low, medium, high, auto).
- Timer Function: Set a timer for automatic on/off operation.
- Sleep Mode: Optimizes settings for comfortable sleep and reduced noise.
The LED display on the interior plenum provides real-time information on current settings and temperature.
Key Features and Benefits
- Low Amp Draw: Designed to consume less energy, allowing for more simultaneous appliance use in your RV. This feature helps maintain power for other activities while the AC is running.
- Dehumidifying Function: Effectively reduces excess moisture in the air, contributing to a more comfortable and fresh interior environment, especially in humid conditions.
- Quiet Operation: Operates at a low noise level of 59.7 decibels on high, comparable to a gentle rain. This ensures minimal disruption for sleep, conversation, or other activities.

Figure 5: Quiet as a Whisper. This chart illustrates the low noise output of the RecPro RV Air Conditioner, operating at approximately 55 decibels, significantly quieter than many competitors and comparable to a refrigerator.
- Superior Functionality: Equipped with a comprehensive remote control and a touch screen LED display for easy monitoring and adjustment of cooling, dehumidifying, dry, sleep, and timing functions.
- Durable Plastic Design: Constructed from robust plastic materials for the exterior shroud and high-quality internal components, ensuring longevity and resilience against typical RV travel conditions.
Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your RecPro RV Air Conditioner.
- Clean Air Filters: Periodically remove and clean the air filters located in the interior plenum. Wash with mild soap and water, rinse thoroughly, and allow to dry completely before reinstallation.
- Inspect Exterior Unit: Annually inspect the exterior shroud for any damage or debris accumulation. Clear away leaves, dirt, or other obstructions from the condenser coils.
- Check Electrical Connections: Ensure all electrical connections are secure and free from corrosion. This should be done by a qualified technician if you are not comfortable with electrical work.
- Drainage: Ensure the condensate drain is clear and free-flowing to prevent water buildup.
Troubleshooting
Refer to the following table for common issues and their potential solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on. | No power, tripped breaker, loose wiring, remote battery dead. | Check power supply, reset breaker, inspect wiring (if qualified), replace remote batteries. |
| Insufficient cooling. | Dirty air filter, blocked condenser coils, low refrigerant (professional service needed). | Clean air filter, clear obstructions from coils, contact service technician. |
| Excessive noise. | Loose components, fan obstruction, unit not level. | Check for loose parts, remove obstructions, ensure unit is level. |
| Water leaking from unit. | Clogged condensate drain, improper installation. | Clear drain line, verify proper installation and sealing. |
Specifications
| Specification | Value |
|---|---|
| Brand | RecPro |
| Model Number | RP-AC3501 |
| Cooling Power | 13500 British Thermal Units (BTU) |
| Voltage | 115 Volts |
| Wattage | 1300 watts |
| Noise Level | 59.7 dB (on high) |
| Item Weight | 112 pounds |
| Product Dimensions | 39.5"D x 25.5"W x 13.5"H |
| Capacity | 351 Cubic Feet |
| Floor Area Coverage | 650 Square Feet |
| Installation Type | Packaged |
| Included Components | Exterior Shroud, Interior Plenum |
| Special Features | Remote Controlled, Dehumidifier |
Warranty and Support
For warranty information, technical support, or service inquiries regarding your RecPro RV Air Conditioner, please contact RecPro directly. Keep your purchase receipt as proof of purchase for any warranty claims.
You can visit the official RecPro store on Amazon for more information and contact details: RecPro Amazon Store




