1. Introduction
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your new Overhead Truck and RV Electric Parking Air Conditioner. Please read this manual thoroughly before installation and use, and keep it for future reference. This unit is designed to provide comfortable cooling for various vehicles including trucks, RVs, sightseeing cars, dining vehicles, and engineering vehicles.
2. Safety Information
- Ensure the power supply matches the unit's voltage (12V or 24V). Incorrect voltage can cause damage or fire.
- Installation should be performed by a qualified professional to ensure proper wiring and sealing.
- Do not operate the unit if any part is damaged or if the power cable is frayed.
- Keep the air intake and exhaust vents clear of obstructions to ensure proper airflow and prevent overheating.
- Do not attempt to repair or modify the unit yourself. Refer all servicing to authorized personnel.
- Ensure the vehicle's battery system can support the power consumption of the air conditioner, especially during prolonged parking use.
3. Package Contents
Verify that all components are present and undamaged upon unpacking:
- Outdoor Unit (Condenser and Compressor)
- Indoor Unit (Evaporator and Control Panel)
- Mounting Frame / Gasket
- Power Connection Cable
- Remote Control
- Mounting Hardware (Nuts, Washers, Strips)
4. Product Overview
The Overhead Electric Parking Air Conditioner is designed for efficient cooling in vehicle cabins. It features a dual-fan design for optimal airflow and cooling performance. Key features include:
- Energy Saving: Optimized design for reduced power consumption.
- Intelligent Frequency Conversion: Adjusts compressor speed for stable and efficient cooling.
- Low Voltage Protection: Automatically shuts off to prevent excessive battery drain.
- Rapid Cooling: Quickly brings down cabin temperature for comfort.
Internal Components
The unit comprises a robust compressor, efficient fan cooling, and a compression system working together to provide effective refrigeration.
5. Specifications
| Parameter | 12V Model | 24V Model |
|---|---|---|
| Rated Voltage | 12V | 24V |
| Refrigerating Capacity | 1800W / 7000BTU | 2500W / 13500BTU |
| Starting Current | 65-75A | 40-50A |
| Fan Motor | Brushless | |
| Air Volume | N/A | 240-450 m³/h |
| Rated Power | N/A | 400-900W |
| Compressor Speed | 1000-3000 RPM | |
| Type of Refrigerant | R134a | |
| Refrigerant Filling | 380g | |
| Overall Dimensions (L*W*H) | 945 x 720 x 142 mm | |
| Internal Machine Dimensions (L*W*H) | 452 x 280 x 117 mm | |
| Weight | 35 kg | |
| Material | ABS | |
| Fixed Type | Hook | |
| Applicable Vehicle Models | Truck, RV, Sightseeing car, Dining vehicle, Engineering vehicle | |
6. Installation and Setup
Proper installation is crucial for the performance and longevity of your air conditioner. It is highly recommended that installation be carried out by a certified technician.
6.1 Pre-Installation Checks
- Ensure the vehicle roof has sufficient structural integrity to support the unit's weight (35 kg).
- Verify that the chosen mounting location allows for proper air circulation around the outdoor unit and unobstructed airflow from the indoor unit.
- Confirm the vehicle's electrical system (12V or 24V) matches the air conditioner model and can handle the starting and running current.
6.2 Mounting Steps (General Guidance)
- Prepare Mounting Area: Carefully cut an opening in the vehicle roof according to the dimensions provided in Figure 2 (or the specific template if included). Ensure the opening is sealed to prevent water ingress.
- Position Outdoor Unit: Place the outdoor unit over the roof opening, ensuring it is centered and properly aligned.
- Install Mounting Frame: From inside the vehicle, install the mounting frame (gasket) into the roof opening, securing it to the outdoor unit using the provided hardware. This creates a sealed and stable mount.
- Connect Power: Connect the power cable to the vehicle's battery system, ensuring correct polarity and using appropriate gauge wiring and circuit protection (fuse/breaker) for the specified starting current (65-75A for 12V, 40-50A for 24V).
- Install Indoor Unit: Attach the indoor unit to the mounting frame from inside the vehicle. Ensure all connections are secure.
- Final Checks: Double-check all connections, ensure no leaks, and test the unit's functionality.
7. Operating Instructions
The air conditioner can be operated via the control panel on the indoor unit or the included remote control.
7.1 Remote Control Functions
The remote control allows for convenient adjustment of settings from anywhere in the cabin. Common functions include:
- Power ON/OFF: Turns the unit on or off.
- Mode Selection: Cycle through cooling modes.
- Temperature Adjustment: Increase or decrease the desired temperature.
- Fan Speed Control: Adjust fan speed (Low, Medium, High, Auto).
- Timer Function: Set a timer for automatic shutdown.
7.2 General Operation Tips
- For optimal cooling, ensure all windows and doors are closed.
- Use the 'Auto' fan speed setting for balanced comfort and energy efficiency.
- In extremely hot conditions, pre-cool the cabin before parking for extended periods.
8. Maintenance
Regular maintenance ensures the efficiency and longevity of your air conditioner.
8.1 Cleaning the Air Filter
The indoor unit is equipped with an air filter to prevent dust and debris from entering the system. Clean the filter regularly (e.g., monthly, or more frequently with heavy use):
- Turn off the air conditioner and disconnect power.
- Open the front panel of the indoor unit.
- Remove the air filter(s).
- Wash the filter(s) with mild soap and water. Rinse thoroughly and allow to air dry completely before reinstallation.
- Reinstall the dry filter(s) and close the front panel.
8.2 Exterior Cleaning
Wipe the exterior surfaces of both the indoor and outdoor units with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners.
8.3 Professional Service
Periodically, have a qualified technician inspect the refrigerant levels, electrical connections, and overall system performance. This is typically recommended annually.
9. Troubleshooting
Before contacting support, try these common troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on | No power supply; Blown fuse; Low battery voltage | Check power connections; Replace fuse; Charge vehicle battery |
| Insufficient cooling | Dirty air filter; Obstruction of vents; Low refrigerant; High ambient temperature | Clean air filter; Clear vents; Contact technician for refrigerant check; Ensure proper insulation |
| Unusual noise | Loose components; Fan obstruction | Check for loose parts; Clear any obstructions from fans |
| Remote control not working | Dead batteries; Obstruction between remote and unit | Replace batteries; Ensure clear line of sight to indoor unit sensor |
10. User Tips
- To maximize battery life when parked, consider running the air conditioner on a lower fan speed or higher temperature setting.
- If your vehicle is equipped with solar panels, ensure they are clean and optimally positioned to supplement power for the air conditioner.
- For long-term parking, consider using external battery packs or shore power to avoid draining the vehicle's main battery.
- Regularly check the vehicle's battery voltage, especially before extended use of the air conditioner while the engine is off.
11. Warranty and Support
For warranty information, technical support, or service inquiries, please contact your original point of purchase or the manufacturer's customer service department. Keep your purchase receipt as proof of purchase.
