Comprehensive Guide to OutEquip Cooling Split Air Conditioner for RVs, Trucks

Model: WH1099322

This comprehensive user manual provides detailed instructions for the installation, operation, maintenance, and troubleshooting of the OutEquip split air conditioner. It covers everything from the functions of the internal control panel, step-by-step installation guide, regular maintenance tips, to a troubleshooting guide for common issues and error codes.

A full read-through of this guide is estimated to take about 20-25 minutes.

1. Functions of Internal Control Panel

inner machine panel of split AC for truck

Powering On:

  • To turn the air conditioner on or off, press and hold the power button.

Temperature Setting:

  • After starting the air conditioner, press the 'Temperature' button to set the desired temperature.
  • Press the 'Down' or 'Up' button to adjust the temperature value. The range is between 12℃ and 32℃.

Speed Setting:

  • After starting the air conditioner, press the 'Speed' button to set the fan speed.
  • Press the 'Down' or 'Up' button to adjust the speed setting. There are 8 speed gears to choose from.

Fault Clearing:

  • Once a fault has been addressed, the error code will automatically clear when the machine is restarted.

2. Installation Guide

Before you begin the installation of your air conditioner, ensure all accessories are present and correct.

Outdoor Unit Installation:

  • Choose a suitable location for installation, either on the cab or horizontally on the rooftop.
  • Drill at least 6 holes in the cab.
  • Use Grade 12.9 M8 bolts for securing.
  • Place a dedicated shock absorber pad between the outdoor unit and the cab.

Indoor Unit Installation:

  • The indoor unit is designed for wall mounting.
  • First, secure a wooden board to the cab using self-tapping screws (at least 4).
  • Once the board is fixed, use self-tapping screws to attach the indoor unit to the board. There are 3 screw holes on each side of the unit.

Connecting the Units:

  • After securing the indoor and outdoor units, connect them using the provided pipes and install the expansion valve.
  • Ensure the cleanliness of the valve and connection pipe.
  • Check the sealing ring for damage and apply a suitable amount of refrigerant oil before installation.

Power Cord Connection:

  • The indoor and outdoor units come with dedicated plugs. Simply plug them in.
  • Arrange the wiring to avoid crossover and use ties to secure the wires.
  • When connecting to the battery, ensure the correct polarity (red is positive, black is negative). Secure the set screws tightly.
  • If the power cord is not long enough, extend it with a power cord of 10mm2 or larger. Waterproof the connection point.
  • The total length of the power cord should not exceed 5 meters.

Note: The air conditioner's power cord should only be connected to the battery's positive and negative terminals.

System Evacuation and Refrigerant Filling:

  • Before you start using your new OutEquipPro Air Conditioner, it's crucial to note that the unit does not come pre-filled with refrigerant.
  • This is due to shipping regulations and the specific requirements of the installation environment.
  • You will need to fill the unit with 600g R134a refrigerant during installation.
  • Please ensure this process is carried out by a qualified professional to ensure the correct amount is added and to avoid any potential damage to the unit.

Here are the steps to follow:

  • System Evacuation: This is achieved by vacuum pumping. Connect the hose to the outdoor unit (attach high and low-pressure gauges and vacuum pump). Connect the hose to the vacuum pump connector. Fully open the high and low-pressure valves of the pressure gauge. Run the vacuum pump for at least 20 minutes to ensure all air is removed from the system. The compressor requires a vacuum of more than -0.098 for at least 20 minutes.
  • Check for Leaks: After vacuuming, close the high and low-pressure valves and wait for at least 10 minutes. If the pressure gauge reading remains unchanged, this indicates that the system is leak-free and you can proceed to fill in the refrigerant.
  • Locate the Refrigerant Filling Port: After confirming the system is leak-free, locate the refrigerant filling port on your air conditioning unit.
  • Connect the Refrigerant Supply: Connect the refrigerant supply to the filling port.
  • Begin Filling the Unit: Begin filling the unit with R134a refrigerant. Monitor the amount carefully to ensure you do not overfill the unit.
  • Disconnect and Close: Once the correct amount of refrigerant has been added, disconnect the refrigerant supply and securely close the filling port.
  • Check Pressure Readings: After filling the refrigerant, start the air conditioner and check if the high and low-pressure readings are within the normal range (high pressure: 1.2-1.4, low pressure: 0.2-0.25).
  • Test the Air Conditioner: Test the air conditioner in all modes to ensure it works properly. After confirming normal operation, turn it off and wrap the connection pipe with a binder. Apply sealant and install plates to cover the wall holes.
Remember, incorrect filling can lead to reduced performance or potential damage. Always seek professional help if you're unsure about this process.

Attention: The air conditioner is pre-filled with refrigerant oil. Do not add more oil after the first installation. If there's any refrigerant leakage during use, add 80ml of high-quality refrigerant oil.

3. Maintenance Guide

Before performing any cleaning or maintenance, ensure the air conditioner is turned off, disconnected from power, and unplugged.

Indoor Unit Surface Cleaning:

  • Use a clean, dry cloth to wipe the surface of the unit.
  • If necessary, the cloth can be dampened with a neutral cleaner solution.

Evaporation Tank Core Cleaning:

  • If the core of the evaporation tank is excessively dirty, remove the casing of the indoor unit and use compressed air to blow off the dust from the surface.

Outdoor Unit Cleaning:

  • Remove the casing of the outdoor unit and clean the condenser with compressed air. Be careful to avoid bumping the condenser.
  • We recommend performing these cleaning steps once a month. If the air conditioner is used in a dusty environment, increase the cleaning frequency as needed.
  • Regular cleaning ensures the air conditioner can operate normally.

Long-Term Storage:

  • If the air conditioner will be idle for a long time, unplug it and cover the outdoor unit to protect it from bumps.

Reuse After Long-Term Storage:

  • Before using the air conditioner after a long idle period, clean the unit body, condenser, and evaporation unit.
  • Check for any foreign matter at the air inlets/outlets of both units and ensure the drain pipe is clear.
  • Install batteries in the remote controller, perform an inspection, and then power it on.

4. Troubleshooting Guide

If you encounter any of the following situations while using the air conditioner, please refer to the corresponding solutions. If the issue persists or if it's a fault, please contact outequippro customer service promptly.

Phenomenon: The refrigeration effect is not good

  • Select the right mode and set proper temperature and speed.
  • Check if there is any obstruction at the air inlet and outlet.
  • Check if the surface of the condenser is too dirty.
  • Check if it is short of refrigerant, and if the high and low voltage is within the normal range.

Phenomenon: There is water on the surface of the indoor unit

  • When running in an environment with high humidity, water drops will form at the air outlet and core surface. This is a normal physical phenomenon.

Phenomenon: The indoor unit displays voltage fault

  • Check if the battery is low and if the power source is DC12V.
  • Check if the low voltage protection value is too high.

Phenomenon: The indoor unit displays sensor fault

  • Check if the sensor at the air inlet/outlet is plugged in correctly.
  • Check if the displayed temperature is higher than the normal ambient temperature. If it is, change the sensor.

Phenomenon: The indoor unit displays fan fault

  • Check if the fan is correctly plugged in. Connect the fan with a separate 12V DC power source. If the fan won't work, change it.

Phenomenon: The indoor unit displays outdoor unit fault

  • Check if it is short of refrigerant.
  • Check if the high and low voltage is within the normal range.
  • Check if the condenser is too dirty, which could adversely affect heat dissipation.

5. Error Codes

Note: If an error code appears, turn off the air conditioner and disconnect it from power. Wait ten minutes, then power it on and restart it. If the error code persists, turn off the machine, disconnect it from power, and contact outequippro customer service. If the error code disappears, you may continue using the air conditioner.

  • E01 - Low Voltage: Charge the battery.
  • E02 - Evaporation Box Fan Open: Check the fan plug or replace the fan.
  • H22 - Air Inlet Sensor Failure: The mode can be changed once it returns to normal.
  • H23 - Out Inlet Sensor Failure: The mode can be changed once it returns to normal.
  • E04 - Pipe Temperature (Outlet Air) Sensor Error: Contact the repair center.
  • E05 - Compressor Overheating: The compressor will automatically resume working once it cools down.
  • E06 - Condensing Fan Open Circuit: Check if the circuit from the compressor to the condensing fan is open.
  • E07 - Condensing Fan Short Circuit: Check if the circuit from the compressor to the condensing fan is shorted.
  • E09 - Condensing Fan Control Board Fault: Replace the control board of the condensing fan.
  • E10 - Condensing Fan Failure: Replace the condensing fan motor.
  • E11 - Condensing Fan Out of Contact: Check the compressor control board and the condensing fan wiring for damage.

1. Installation Responsibility: Our company provides installation manuals. Users must adhere to these instructions strictly. Any man-made faults, damages, or other accidents resulting from failure to follow these guidelines are the sole responsibility of the user. This includes all maintenance and material fees incurred. Our company will not bear any responsibility for these issues.
2. Safety Responsibility: Users must prioritize safety during installation. Any personal safety issues that arise are the sole responsibility of the user.
3. Unauthorized Modifications: If users make unauthorized modifications to the air conditioner or use non-original parts, leading to damage to the air conditioner or personal injuries, the user, not our company, will bear all responsibilities.
4. Agreement to Disclaimer: By purchasing our product, users are deemed to agree to this disclaimer.