1. Introduction
This manual provides essential information for the proper installation, operation, and maintenance of the Electric Oil Pump Assembly, part number 30-66840-00. This component is designed for use in various Carrier refrigeration units. Please read this manual thoroughly before attempting any installation or service to ensure safe and efficient operation.
2. Product Overview
The Electric Oil Pump Assembly 30-66840-00 is a critical component in the lubrication system of compatible refrigeration units. It ensures proper oil circulation to maintain compressor health and overall system efficiency. The assembly includes an integrated filter for oil cleanliness.
Video: Overview of the Electric Oil Pump Assembly 30-66840-00, showing its physical characteristics and part number.
3. Specifications
| Feature | Detail |
|---|---|
| Product Name | Electric Oil Pump Assembly |
| Part Number | 30-66840-00 |
| Application | Refrigeration Parts, Fuel Pump |
| Material | Plastic, Metal |
| Weight | 1.5 kg |
| Dimensions (L x W x H) | 20 cm x 16 cm x 18 cm |
| Warranty | 1 Year |
| Origin | Mainland China (Henan) |
| Quality Assurance | Video outgoing-inspection provided, Machinery test report provided |
4. Compatibility
This electric oil pump assembly (P/N: 30-66840-00) is compatible with various Carrier refrigeration units, including:
- Supra Series: METROBIRD, SOLARA, 1250, 1150MT, 1150, 1050, 950U, 950MT, 950, 944, 922, 850U, 422, 550, 622, 644, 650, 722, 744, 750, 750MT, 844, 850, 850MT, 1250MT, 450, 822, 522
- HE Series: HE 9, HE 8, HE 6, HE 11, HE 11 R2 NORDIC X, HE 13
Cross-Reference Part Numbers:
- CARRIER: 30-01108-01, 300110801, 30-01108-00, 300110800, 30-66840-00, 306684000
- FACET: 40223
- Other Carrier references: 30-0110800, 30-0110801, 30-01108-02, 300110802, 30-0110802, 30-01108-03, 300110803, 30-0110803, 30-01108-10, 300110810, 30-0110810, 30-01108-11, 300110811, 30-0110811, 30-01108-12, 300110812, 30-0110812, 3001108-11, 30-01108-04
5. Installation and Setup
WARNING: Installation should only be performed by qualified and certified refrigeration technicians. Improper installation can lead to system damage, personal injury, or voiding of warranty.
- Safety First: Ensure the refrigeration unit is completely powered off and depressurized before beginning any work. Wear appropriate personal protective equipment (PPE).
- Drain System: If replacing an existing pump, ensure the oil and refrigerant systems are properly drained according to the refrigeration unit manufacturer's guidelines.
- Remove Old Pump: Carefully disconnect electrical connections and mounting hardware from the old oil pump. Note the orientation and connections for reinstallation.
- Inspect Area: Clean the mounting surface and inspect for any debris or damage.
- Install New Pump: Mount the new electric oil pump assembly securely using appropriate fasteners. Ensure all seals and gaskets are correctly seated to prevent leaks.
- Electrical Connections: Connect the electrical wiring to the new pump, ensuring correct polarity and secure connections. Refer to the refrigeration unit's wiring diagram for specific details.
- Recharge System: Recharge the refrigeration system with the correct type and amount of oil and refrigerant as specified by the unit manufacturer.
- Leak Check: Perform a thorough leak check on all connections using an appropriate leak detection method.
- Test Operation: Power on the refrigeration unit and monitor the oil pump's operation. Verify proper oil pressure and circulation.
6. Operation
The Electric Oil Pump Assembly operates automatically as part of the refrigeration unit's control system. It is designed to provide continuous and adequate lubrication to the compressor during operation. No manual intervention is typically required for its basic function once correctly installed.
7. Maintenance
Regular maintenance is crucial for the longevity and performance of the oil pump and the entire refrigeration system.
- Oil Filter Inspection/Replacement: The pump features an integrated filter. Periodically inspect the filter for clogging or debris. Replace the filter element as part of routine system maintenance or if signs of reduced oil flow are observed.
- System Oil Quality: Ensure the refrigeration system's oil is clean and at the correct level. Contaminated or low oil can severely impact pump performance and compressor life.
- Electrical Connections: Check electrical connections for corrosion, looseness, or damage during routine inspections.
- Vibration and Noise: Monitor the pump for unusual vibrations or excessive noise, which could indicate a problem.
- Leak Checks: Regularly check for any signs of oil leaks around the pump and its connections.
8. Troubleshooting
If you encounter issues with the electric oil pump, consider the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Pump not running | No power, faulty wiring, motor failure, control issue | Check power supply, wiring, fuses/breakers. Consult a technician for motor or control diagnostics. |
| Low oil pressure | Clogged filter, low oil level, worn pump components, oil viscosity issue | Inspect/replace oil filter. Check and top up oil level. Consult a technician for internal pump inspection or oil type verification. |
| Excessive noise/vibration | Loose mounting, internal wear, cavitation | Check mounting bolts. Consult a technician for internal inspection or system diagnostics for cavitation. |
| Oil leaks | Loose connections, damaged seals/gaskets, cracked housing | Tighten connections. Replace damaged seals/gaskets. Replace pump if housing is cracked. |
For complex issues or if you are unsure about any troubleshooting steps, always consult a professional refrigeration technician.
9. User Tips
This section is currently unavailable due to a lack of specific user reviews or Q&A data for this product. For general best practices, always ensure your refrigeration system's oil is clean and at the correct level, and adhere to the manufacturer's recommended service intervals for all components.
10. Warranty and Support
This Electric Oil Pump Assembly comes with a 1-year warranty from the date of purchase, covering manufacturing defects. Please retain your proof of purchase for warranty claims.
For technical support, warranty claims, or further assistance, please contact your supplier or the manufacturer, Sinoclima, directly. Provide your product model number (30-66840-00) and details of the issue to expedite support.
