1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of the SINOCMP 543-00049 Air Conditioner Control Panel. This unit is designed to replace or upgrade the climate control system in compatible Daewoo Doosan excavators, ensuring comfortable working conditions for the operator.
2. Product Overview
The 543-00049 control panel is a robust, black, rectangular unit featuring an array of buttons for comprehensive control over your excavator's air conditioning system. It includes controls for power, A/C activation, fan speed, temperature adjustment, and various airflow modes.
Figure 2.1: Front view of the control panel, showing all operational buttons.
Figure 2.2: Angled view of the control panel.
Figure 2.3: Side view with product label indicating Part No. 543-00049.
Figure 2.4: Rear view showing the electrical connector.
Figure 2.5: Top view with integrated sensor.
3. Specifications
| Feature | Detail |
|---|---|
| Part Number | 543-00049 |
| Brand | SINOCMP |
| Shell Type | Closed Type |
| Certification | CE |
| Origin | Mainland China |
| Package Dimensions (L x W x H) | 10 cm x 10 cm x 10 cm |
| Package Weight | 0.42 kg |
| Compatible Excavator Models | Forestry Machine: SOLAR 225LL Crawler Excavator: SOLAR 340LC-7, SOLAR 340LC-V, SOLAR 155LC-V, SOLAR 230LC-V, SOLAR 175LC-V, SOLAR 140LC-V, DH220-5 Wheel Excavator: SOLAR 140W-V, SOLAR 160W-V, SOLAR 210W-V |
4. Installation and Setup
Warning: Installation should ideally be performed by a qualified technician. Ensure the excavator's power is completely disconnected before beginning installation to prevent electrical shock or damage to the unit.
- Disconnect Power: Turn off the excavator and disconnect the battery to ensure no power is supplied to the electrical system.
- Remove Old Unit: Carefully remove the existing air conditioner control panel from its mounting location. This may involve unscrewing fasteners and gently prying the unit out.
- Disconnect Wiring: Disconnect the wiring harness from the old control panel. Note the orientation and connection points if necessary, though the connector is typically keyed to prevent incorrect installation. Refer to Figure 2.4 for the connector type.
- Connect New Unit: Connect the excavator's wiring harness to the multi-pin connector on the back of the new SINOCMP 543-00049 control panel. Ensure a secure and firm connection.
- Mount New Unit: Carefully place the new control panel into the dashboard opening. Secure it using the original fasteners or mounting clips. Ensure it is flush and stable.
- Reconnect Power: Reconnect the excavator's battery.
- Test Functionality: Start the excavator and test all functions of the new control panel, including power ON/OFF, A/C activation, fan speeds, temperature control, and airflow modes.
5. Operation
The control panel features intuitive buttons for managing your excavator's climate. Refer to Figure 2.1 for button layout.
- OFF Button: Press to turn off the entire air conditioning system.
- A/C Button: Press to activate or deactivate the air conditioning compressor for cooling. An indicator light typically confirms activation.
- Fan Speed Buttons (LO, MID, HI): Select the desired fan speed to control the intensity of airflow.
- Temperature Control (COOL, WARM): Use these buttons to adjust the desired temperature. The bar indicator next to 'COOL' and 'WARM' shows the current temperature setting.
- Airflow Mode Buttons: These buttons, represented by icons, allow you to direct airflow to different areas:
- Face Vent Icon: Directs air towards the operator's face.
- Feet Vent Icon: Directs air towards the operator's feet.
- Defrost Icon: Directs air towards the windshield for defrosting/defogging.
- Recirculation Icon: Recirculates cabin air, useful for quick cooling/heating or when outside air quality is poor.
- Fresh Air Icon: Draws in outside air.
6. Maintenance
To ensure the longevity and optimal performance of your control panel:
- Cleaning: Regularly wipe the surface of the control panel with a soft, dry cloth to remove dust and grime. Avoid using harsh chemicals or abrasive cleaners.
- Connection Checks: Periodically inspect the electrical connections to ensure they are secure and free from corrosion.
- System Checks: Ensure the overall excavator A/C system (compressor, refrigerant levels, filters) is maintained according to the excavator manufacturer's recommendations.
7. Troubleshooting
If you encounter issues with your control panel, consider the following:
- Panel Not Powering On:
- Check the excavator's main power supply and battery connections.
- Inspect relevant fuses in the excavator's fuse box.
- Ensure the wiring harness connection to the control panel is secure.
- A/C Not Cooling/Heating:
- Verify the A/C button is activated.
- Check the excavator's refrigerant levels and A/C compressor functionality.
- Ensure the cabin air filter is clean and not obstructed.
- Buttons Unresponsive:
- Ensure the panel is receiving power.
- If individual buttons are unresponsive, there might be an internal fault requiring professional service.
For persistent issues, consult a qualified technician or contact customer support.
8. User Tips
- Familiarize yourself with all control panel functions before operating heavy machinery.
- For optimal cooling/heating efficiency, ensure excavator doors and windows are closed.
- Use the recirculation mode to quickly change cabin temperature, then switch to fresh air for ventilation.
9. Warranty and Support
For information regarding product warranty, technical support, or replacement parts, please contact your original point of purchase or the SINOCMP customer service department. Keep your purchase receipt and product model number (543-00049) handy for faster service.
