1. Introduction
This manual provides essential information for the safe and effective installation, operation, and maintenance of your ClimaTek A173 Furnace Draft Inducer Exhaust Motor. This motor is designed as a direct replacement for various furnace models, ensuring proper exhaust ventilation for combustion gases. Please read this manual thoroughly before attempting any installation or service.
2. Safety Information
WARNING: Installation and service of this furnace component should only be performed by a qualified HVAC technician. Improper installation, adjustment, alteration, service, or maintenance can cause property damage, personal injury, or loss of life.
- Always disconnect electrical power to the furnace before servicing to prevent electric shock.
- Wear appropriate personal protective equipment (PPE), including gloves and eye protection.
- Ensure all wiring connections are secure and comply with local electrical codes.
- Verify proper venting and exhaust flow after installation to prevent carbon monoxide hazards.
- Do not operate the furnace if any part is damaged or missing.
3. Product Overview
The ClimaTek A173 is a high-quality replacement draft inducer exhaust motor designed for various furnace systems. Its primary function is to draw combustion gases from the furnace heat exchanger and expel them through the exhaust vent, ensuring efficient and safe operation of the heating system.
This motor directly replaces the following part numbers:
- A173
- 7062-4578
- 7062-4832
- R7-RFB350
- 66350
- N173
- And other compatible models for ICP, Heil, Tempstar, Comfortmaker, Kenmore, Sears, and Arcoaire units.
This image displays three views of the ClimaTek A173 Furnace Draft Inducer Exhaust Motor. Each view highlights the motor's housing, fan assembly, and electrical connections. The motor is designed for high efficiency, easy installation, and durable build quality, and is a trusted brand in HVAC.
4. Setup and Installation
Note: Refer to your specific furnace manufacturer's service manual for detailed installation instructions. The following steps are general guidelines.
- Power Disconnection: Turn off all electrical power to the furnace at the main service panel. Verify power is off using a voltage tester.
- Access: Locate and access the existing draft inducer motor within your furnace. This may require removing access panels.
- Disconnect Wiring: Carefully disconnect the electrical wiring from the old motor. Note the position of each wire for correct re-connection.
- Remove Old Motor: Unbolt and remove the old draft inducer motor from its mounting bracket.
- Install New Motor: Mount the new ClimaTek A173 motor onto the furnace using the existing hardware or new hardware if provided. Ensure it is securely fastened.
- Connect Wiring: Reconnect the electrical wiring to the new motor, ensuring all connections are tight and correct. If a new capacitor is included, install it according to instructions, often replacing the old one.
- Vacuum Line: If applicable, connect the vacuum sensing tube to the appropriate port on the new inducer motor. Ensure the port is clear.
- Reassemble: Replace any removed access panels.
- Power Restoration & Testing: Restore electrical power to the furnace. Initiate a heating cycle and observe the new inducer motor's operation. Verify proper exhaust flow and listen for unusual noises.
5. Operating Instructions
The ClimaTek A173 Draft Inducer Exhaust Motor operates automatically as part of your furnace's heating cycle. When the thermostat calls for heat, the furnace control board initiates the inducer motor. This creates a negative pressure (draft) in the combustion chamber, pulling in fresh air for combustion and expelling exhaust gases. Once sufficient draft is established, a pressure switch closes, allowing the igniter and main burner to activate. The inducer motor continues to run throughout the heating cycle and for a short period after the burners shut off to clear any residual gases.
No direct user interaction is required for the operation of the inducer motor itself, beyond ensuring the furnace is powered and functioning correctly.
6. Maintenance
Regular maintenance of your furnace system, including the draft inducer motor, is crucial for longevity and efficiency. It is recommended to have your furnace inspected annually by a qualified HVAC technician.
- Visual Inspection: Periodically inspect the motor for any signs of wear, corrosion, or damage. Check for loose wiring connections.
- Clear Obstructions: Ensure the exhaust vent and the motor's intake are free from debris, dust, or obstructions that could impede airflow.
- Noise Check: Listen for any unusual noises (e.g., grinding, squealing, excessive vibration) during operation, which could indicate a problem.
- Professional Service: Do not attempt to lubricate or disassemble the motor. These units are typically sealed and designed for maintenance-free operation. Any internal issues require professional service or replacement.
7. Troubleshooting
If your furnace is not operating correctly, and you suspect an issue with the draft inducer motor, consider the following common symptoms. Always ensure power is disconnected before any inspection.
| Symptom | Possible Cause | Action |
|---|---|---|
| Motor does not start | No power, faulty wiring, failed motor, faulty pressure switch. | Check furnace power supply. Verify wiring connections. Consult a qualified technician for motor or pressure switch diagnosis. |
| Unusual noise (grinding, squealing) | Worn bearings, obstructed fan, unbalanced impeller. | Disconnect power and inspect fan for obstructions. If noise persists, motor replacement may be necessary. Consult a technician. |
| Furnace cycles on and off rapidly (short cycling) | Insufficient draft, faulty pressure switch, blocked exhaust. | Check exhaust vent for blockages. Ensure vacuum line is clear and properly connected. Consult a technician to diagnose pressure switch or draft issues. |
For complex issues or if you are unsure about any step, always contact a certified HVAC professional.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | ClimaTek |
| Model Number | A173 (OEM Replm for Heil # 1011350) |
| Replaces Part Numbers | A173, 7062-4578, 7062-4832, R7-RFB350, 66350, N173 |
| Manufacturer | Fasco (as per product specifications) |
| Product Dimensions | 6 x 6 x 6 inches |
| Item Weight | 0.01 ounces |
| Material | Plastic |
| Color | Black |
| Operating Temperature | 40 Degrees Fahrenheit (minimum, typical for furnace environments) |
9. Warranty Information
Specific warranty terms for the ClimaTek A173 Furnace Draft Inducer Exhaust Motor are provided by the manufacturer or seller at the time of purchase. Please retain your proof of purchase and refer to the documentation included with your product for detailed warranty coverage, duration, and claim procedures. For warranty inquiries, contact the retailer or ClimaTek directly.
10. Support and Contact
For technical assistance, replacement parts, or further information regarding your ClimaTek A173 Furnace Draft Inducer Exhaust Motor, please contact your original point of purchase or visit the official ClimaTek website. Always provide the model number (A173) and any relevant furnace information when seeking support.
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