International Environmental 70556305 Motor

When you're dealing with a vertical or horizontal fan coil unit that’s lost its pull, the International Environmental 70556305 Motor is the precise OEM replacement you need to restore static pressure and airflow. This 1/5 HP blower motor is a 115V direct drive motor designed specifically for high-cycling HVAC environments where reliability isn't optional. Operating at a nominal 1075 RPM, this PSC motor (Permanent Split Capacitor) provides the high-torque start and efficient run-time performance required for IEC fan coils and similar air-handling equipment.

As a seasoned tech, you know the housing and shaft dimensions are make-or-break. The 70556305 features a 48Y frame with an open air-over (OAO) enclosure, ensuring the motor stays cool using the very air it moves. It’s a single-phase, 60Hz unit with a 3.3 FLA rating, often replacing older GE 5KCP29MK6014S or Fasco 7187-0311 models. To ensure a clean swap, always verify your capacitor—this unit typically pairs with a 12.5 MFD/370V capacitor to maintain optimal power factor and winding protection.

• Direct OEM Compatibility: Eliminates the guesswork and "field-engineering" associated with universal motors in tight IEC fan coil cabinets.
• Direct Drive Efficiency: The 1075 RPM motor design removes the need for belts or pulleys, reducing mechanical failure points and maintenance labor.
• Robust Shaft Construction: Features a standard 1/2-inch diameter shaft at approximately 5.8 inches long, providing ample reach for blower wheel set screws.
• Thermal Protection: Built-in internal overload protection prevents winding burnout during restricted airflow or high-ambient conditions.

What is the correct rotation for this motor?
The IEC 70556305 is typically configured for CCW lead end (CCWLE) rotation. Always verify the rotation of your existing blower wheel before mounting to avoid reverse-flow issues.

Can I use a different capacitor than the one specified?
We strongly advise against it. Using a capacitor with a different MFD rating than the required 12.5uF can cause the motor to run hot, draw excess amps, and lead to premature failure.

Is this motor suitable for outdoor condensing units?
No. This is an Open Air-Over (OAO) motor designed for indoor fan coil applications. It should not be used in outdoor environments where it is exposed to rain or heavy moisture.

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Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.