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box lugs on 40A units should be torqued to 40 inch-pounds
Operating at 1550 RPM with a 4-speed configuration
This board ensures proper air circulation and HVAC system protection by preventing rapid cycling and managing pressure equalization through the low-pressure switch (LPS) circuit
ensuring that exhaust gases are safely and effectively channeled from the heat exchanger into the venting system
Greenheck 329312 Motor 321894-706 box lugs on 40A unitsThe Greenheck 329312 motor is a direct drive fan motor specifically engineered for high demand ventilation and exhaust applications. This 1 3 HP single phase motor operates on a standard 115V circuit, delivering a consistent speed of 1140 RPM. Built with a 56Z frame and a resilient base, it is an ideal HVAC replacement motor for Greenheck centrifugal blowers and axial fans where vibration damping is critical for noise reduction and mechanical