Johnson Controls P66 Troubleshooting - PartsAPS Monday, August 30, 2021
Johnson P66 Electronic Fan Speed Controls are designed primarily to control condenser fan motors in many Heating, Ventilating, Air Conditioning and Refrigeration (HVACR) applications. These are pressure-actuated electronic motor speed controllers. P66 controls are used as an operating control. A failure or malfunction in the control could lead to personal injury or property damage to the controlled equipment. One can follow the below Johnson Controls P66 troubleshooting tips and precautions to avoid problems.