1. Product Overview
The Fasco D818 is a Permanent Split Capacitor (PSC) motor designed for various applications requiring reliable and efficient operation. This motor features a 5.6-inch diameter, multiple horsepower ratings (1/3, 1/5, 1/6 HP), operates at 115 Volts, and has a speed of 825 RPM. It includes three speed settings and a Clockwise (CW) rotation, equipped with sleeve bearings for smooth performance.
Key features include:
- Multiple Horsepower: 1/3 HP, 1/5 HP, 1/6 HP
- Voltage: 115 Volts
- Speed: 825 RPM
- 3 Speed settings
- Rotation: Clockwise (CW)
- Bearing Type: Sleeve Bearing
- Shaft Dimension: 1/2-Inch x 3-Inch
An image showing the Fasco D818 PSC motor, highlighting its cylindrical body, shaft, and end plate. The motor features a sleeve bearing design and ventilation slots along its casing.
2. Safety Information
Read and understand all instructions before installing, operating, or performing maintenance on this motor. Failure to follow these instructions may result in electric shock, fire, serious injury, or death.
- Electrical Hazard: Disconnect power before servicing. Ensure all wiring is performed by a qualified electrician in accordance with local and national electrical codes.
- Moving Parts: Keep hands, hair, and clothing away from moving parts during operation.
- Overheating: Ensure proper ventilation around the motor to prevent overheating. Do not block ventilation openings.
- Capacitor: A 12.5M 370V capacitor is required for operation (not included). Ensure the correct capacitor is used and installed properly.
- Mounting: Securely mount the motor to prevent vibration and movement during operation.
- Personal Protective Equipment: Wear appropriate safety gear, including eye protection and gloves, when handling or working near the motor.
3. Package Contents
Verify that all items are present and undamaged upon unpacking.
- Fasco D818 PSC Motor (Quantity: 1)
Note: A 12.5M 370V capacitor is required for motor operation and is not included with this package.
4. Setup and Installation
Proper installation is crucial for the safe and efficient operation of the Fasco D818 motor.
4.1 Mounting
Mount the motor securely using appropriate fasteners and mounting brackets suitable for the motor's weight and application. Ensure the mounting surface is stable and free from excessive vibration. The motor should be mounted in a position that allows for adequate airflow around its casing to prevent overheating.
4.2 Wiring
All wiring must comply with local and national electrical codes. Consult a qualified electrician if you are unsure about any wiring procedures.
- Disconnect Power: Ensure the main power supply is disconnected before beginning any wiring.
- Capacitor Installation: Install a 12.5M 370V capacitor (not included) according to the motor's wiring diagram. Incorrect capacitor sizing or installation can damage the motor.
- Power Connection: Connect the motor to a 115 Volt power supply.
- Speed Selection: The motor features three speed settings. Refer to the motor's label or included wiring diagram for specific connections for each speed.
- Rotation: The motor is designed for Clockwise (CW) rotation. Verify rotation direction after initial power-up.
- Grounding: Properly ground the motor to prevent electrical shock.
Always refer to the wiring diagram printed on the motor label for precise connection details.
5. Operating Instructions
Once the motor is correctly installed and wired, follow these steps for operation:
- Initial Check: Before applying power, ensure all connections are secure and there are no obstructions around the motor shaft or ventilation openings.
- Power On: Restore power to the circuit.
- Start-up: The motor should start smoothly. Listen for any unusual noises or vibrations.
- Speed Adjustment: If applicable, select the desired speed setting via your control system.
- Monitoring: During initial operation, monitor the motor for signs of overheating, excessive noise, or unusual performance.
- Power Off: To stop the motor, disconnect the power supply.
6. Maintenance
Regular maintenance helps ensure the longevity and optimal performance of your Fasco D818 motor.
6.1 Cleaning
Periodically clean the exterior of the motor to remove dust, dirt, and debris that can accumulate and impede airflow. Use a soft, dry cloth or compressed air. Do not use liquids or solvents that could damage electrical components.
6.2 Lubrication
This motor is equipped with sleeve bearings. While many modern sleeve bearings are permanently lubricated, it is advisable to check the motor's specific lubrication requirements on the motor label or manufacturer's documentation. If lubrication is required, use a high-quality motor oil as specified by Fasco, applying it to the lubrication ports if present.
6.3 Inspection
Regularly inspect the motor for:
- Loose connections or damaged wiring.
- Excessive vibration or noise.
- Signs of overheating (discoloration, burning smell).
- Wear on the shaft or mounting points.
Address any issues promptly to prevent further damage.
7. Troubleshooting
This section provides solutions to common issues you might encounter with your Fasco D818 motor.
| Problem | Possible Cause | Solution |
|---|---|---|
| Motor does not start | No power supply Incorrect wiring Faulty capacitor Motor overload | Check power source and circuit breaker Verify wiring against diagram Test or replace capacitor Reduce load or check for obstructions |
| Motor overheats | Insufficient ventilation Motor overload Incorrect voltage Worn bearings | Ensure clear airflow around motor Reduce load Verify power supply voltage Inspect and replace bearings if necessary |
| Excessive noise or vibration | Loose mounting Worn bearings Unbalanced load Foreign object | Tighten mounting bolts Inspect and replace bearings Balance the connected load Inspect for and remove any obstructions |
| Motor runs slowly or with reduced power | Incorrect capacitor Low voltage Partial winding failure | Verify capacitor specifications Check power supply voltage Consult a qualified technician |
If troubleshooting steps do not resolve the issue, contact a qualified technician or Fasco customer support for assistance.
8. Specifications
Detailed technical specifications for the Fasco D818 PSC Motor.
| Specification | Value |
|---|---|
| Brand | Fasco |
| Model Name | D818 |
| Horsepower (HP) | 1/3 - 1/5 - 1/6 HP |
| Voltage | 115 Volts |
| Speed | 825 RPM |
| Amperage | 7.3 - 5.1 - 3.9 Amps |
| Diameter | 5.6-Inch |
| Shaft Dimension | 1/2-Inch x 3-Inch |
| Rotation | CW (Clockwise) |
| Bearing Type | Sleeve Bearing |
| Material | Copper |
| Item Weight | 16.35 pounds |
| Package Dimensions | 16.3 x 7 x 6.3 inches |
| Required Capacitor | 12.5M 370V (Not Included) |
9. Warranty and Support
9.1 Warranty Information
According to available product information, this Fasco D818 motor is sold without a manufacturer's warranty. Please refer to your point of purchase for any retailer-specific return or exchange policies.
9.2 Customer Support
For technical assistance, questions regarding installation, or troubleshooting beyond the scope of this manual, please contact Fasco customer support or a qualified HVAC/electrical technician.
Always provide the model number (D818) when seeking support.
