1. Introduction
This manual provides essential information for the safe and efficient installation, operation, and maintenance of your Fasco A175 Shaded Pole OEM Replacement Blower. Please read these instructions thoroughly before proceeding with installation or use. Retain this manual for future reference.
2. Safety Information
WARNING: Improper installation, adjustment, alteration, service, or maintenance can cause property damage, injury, or death. Read the installation, operating, and maintenance instructions thoroughly before installing or servicing this equipment.
- Always disconnect power to the unit before performing any service or maintenance.
- Ensure all electrical connections comply with local codes and ordinances.
- This blower is designed for specific applications (gas or oil furnaces and heaters). Do not use it for unintended purposes.
- Wear appropriate personal protective equipment (PPE) during installation and maintenance.
- Keep hands and loose clothing away from moving parts.
- If you are unsure about any part of the installation or service, consult a qualified technician.
3. Product Overview
The Fasco A175 is a shaded pole OEM replacement blower designed for specific applications, primarily in gas or oil furnaces and heaters. It features a durable sleeve bearing design and is thermally protected for enhanced safety and longevity. This unit is UL recognized and CSA or ULc certified, ensuring compliance with safety standards.
Figure 1: Fasco A175 Blower Assembly, showing the complete unit.
Key features include:
- Thermally Protected: Integrated protection against overheating.
- Certifications: UL recognized; CSA or ULc certified for safety and quality.
- Rotation: Counterclockwise shaft end rotation (CCWSE).
- Bearing Type: Sleeve bearings for smooth operation.
- Application: Suitable for gas or oil furnaces and heaters.
Figure 2: Side view of the Fasco A175 Blower, illustrating its compact design.
This blower is an OEM replacement for various systems, including cross-reference models like ICP 7002-1891 and 1708-600P.
Figure 3: Close-up view of the Fasco A175 motor housing.
4. Specifications
Refer to the following table for detailed technical specifications of the Fasco A175 Blower.
| Attribute | Value |
|---|---|
| Brand | Fasco |
| Model Number | A175 |
| Horsepower (HP) | 1/40 HP (0.025 HP) |
| Speed | 3300 RPM |
| Voltage | 115 Volts |
| Amperage | 1.3 Amps |
| Frequency | 60 Hz |
| Rotation | Counterclockwise Shaft End (CCWSE) |
| Bearing Type | Sleeve Bearing |
| Thermal Protection | Yes |
| Ventilation | Open |
| Wheel Size | 4-3/4" x 1-1/4" |
| Item Weight | 4.8 pounds |
| Product Dimensions | 6 x 6 x 6 inches |
| UPC | 663001031727 |
| Cross Reference | ICP 7002-1891, 1708-600P |
Figure 4: Product label detailing Fasco A175 specifications and certifications.
Figure 5: Fasco Industries Motor Division label with additional technical data.
5. Installation
This section provides general guidelines for installing the Fasco A175 blower. Always refer to the specific equipment manufacturer's instructions for detailed installation procedures, especially for furnace or heater applications.
- Power Disconnection: Before beginning any work, ensure that the main power supply to the furnace or heater is completely disconnected at the circuit breaker or fuse box. Verify with a voltage tester.
- Access and Removal: Gain access to the existing blower unit. Carefully disconnect any wiring, noting the color and connection points. Remove mounting hardware and detach the old blower.
- Mounting the New Blower: Position the Fasco A175 blower in the designated location. Secure it using appropriate mounting hardware. Ensure the blower is stable and properly aligned to prevent vibration and noise during operation.
- Electrical Connections: Connect the electrical wiring to the new blower. Match the wire colors and connections precisely as they were on the old unit. The Fasco A175 is designed for 115V, 60Hz operation. Ensure all connections are secure and insulated.
- Verify Rotation: The blower is designed for Counterclockwise Shaft End (CCWSE) rotation. Before final assembly, a brief power test (if safe to do so) can confirm correct rotation.
- Final Assembly: Reassemble any covers or panels removed during the installation process.
- Testing: Restore power to the unit. Initiate a test cycle for the furnace or heater to ensure the blower operates correctly, quietly, and without obstruction. Monitor for any unusual sounds or smells.
Note: Some units may come pre-wired. If so, ensure proper wire splicing using appropriate connectors if necessary.
6. Operation
The Fasco A175 blower is an integral component of your heating system. Once properly installed, its operation is typically controlled by the furnace or heater's control board. It is designed for continuous operation within its specified parameters to facilitate proper combustion air or exhaust. Ensure that the system's thermostat is set to the desired temperature to initiate operation.
- Ensure the blower's air intake and exhaust ports are free from obstructions.
- Listen for smooth operation. Any unusual noises may indicate an issue.
- The blower will activate and deactivate as required by the heating system's control logic.
7. Maintenance
Regular maintenance helps ensure the longevity and efficient operation of your Fasco A175 blower. Always disconnect power before performing any maintenance.
- Annual Inspection: Annually inspect the blower for any signs of wear, corrosion, or damage. Check for loose connections or mounting hardware.
- Cleanliness: Keep the blower's intake and exhaust areas clean and free of dust, debris, or obstructions. Accumulated dirt can reduce efficiency and lead to overheating. Use a soft brush or vacuum cleaner for cleaning.
- Bearing Check: The A175 uses sleeve bearings. These are typically sealed and do not require lubrication. If you notice excessive noise or resistance, the bearings may be worn and require replacement of the unit.
- Wiring Inspection: Periodically check all electrical wiring for fraying, cracks, or loose connections.
Note: Do not attempt to disassemble the motor or blower wheel unless you are a qualified service technician.
8. Troubleshooting
This section outlines common issues and potential solutions. For complex problems, consult a qualified HVAC technician.
| Problem | Possible Cause | Solution |
|---|---|---|
| Blower does not start | No power to the unit, faulty wiring, tripped circuit breaker, control board issue, motor failure. | Check power supply and circuit breaker. Verify all wiring connections. Consult furnace manual for control board diagnostics. If motor is faulty, replacement is necessary. |
| Blower makes unusual noise (grinding, squealing) | Worn bearings, obstruction in blower wheel, loose mounting. | Disconnect power and inspect blower wheel for obstructions. Check mounting hardware for tightness. Worn sleeve bearings typically require unit replacement. |
| Reduced airflow | Obstruction in intake/exhaust, dirty blower wheel, motor running slow. | Disconnect power and clear any obstructions. Clean blower wheel if dirty. If motor runs slow, it may be failing and require replacement. |
| Blower runs continuously | Control board issue, faulty thermostat. | Consult furnace manual for control board diagnostics. Check thermostat settings and functionality. |
9. Warranty & Support
Fasco products are manufactured to high standards. Specific warranty terms and conditions may vary depending on the point of purchase and regional regulations. Please retain your proof of purchase for any warranty claims.
For technical support, service, or warranty inquiries, please contact your original vendor or visit the official Fasco website. You can find more information about Fasco products at Fasco Brand Page on Amazon.