Dayton
Dayton 31TR64 Blower 1 HP 850 RPM 208-230/460V 56Z Frame
Three-phase condenser fan motor delivering 1 HP at 850 RPM on 208-230/460 V AC with a 56Z frame
- 1 HP three-phase motor delivers steady 850 RPM airflow
- Dual-voltage 208-230/460 V AC suits common industrial supplies
- 56Z frame with band mount fits standard blower housings
- Inverter-rated design allows variable-speed control
- Auto thermal protection and Class F insulation handle 70 °C ambients
Motor design and voltage range
The Dayton 31TR64 is a three-phase condenser fan motor rated at 1 horsepower and 850 RPM. It operates on 208-230/460V AC at 60 Hz and fits a 56Z frame, making it suitable for commercial HVAC equipment requiring continuous duty.
Replacing single-speed open air-over units
This motor replaces failed single-speed units with the same frame, voltage and shaft dimensions where auto thermal protection and Class F insulation are specified. The jump is worth it when the existing mount uses band mounting and the application demands inverter-rated operation for variable-speed drives.
Limits of band mounting and fixed speed
Band mounting restricts use to housings designed for that clamp style, and the single-speed design prevents speed modulation without an external drive. The 70 °C maximum ambient temperature and horizontal or vertical shaft-up orientation define the thermal and mechanical envelope for reliable service.
Highlights
- 1 HP three-phase motor delivers steady 850 RPM airflow
- Dual-voltage 208-230/460 V AC suits common industrial supplies
- 56Z frame with band mount fits standard blower housings
- Inverter-rated design allows variable-speed control
- Auto thermal protection and Class F insulation handle 70 °C ambients
Specifications
| Brand | DAYTON |
|---|
Questions about this item
What frame size and shaft length does the 56Z frame motor need for mounting?
The motor uses a 56Z frame with a 6 in shaft length and band mounting for horizontal or vertical shaft-up positions.
How do I wire the three-phase motor for 208-230V or 460V supply?
Connect the nine leads for low voltage 208-230V or high voltage 460V per the diagram; the motor draws 4.8 amps at low voltage and 2.4 amps at high voltage.
When should the motor's thermal protection be checked or the unit replaced?
The auto-reset thermal protection operates continuously; inspect during scheduled HVAC maintenance and replace if the motor fails to restart after cooling.
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