Remove the cap and turn the adjusting stem clockwise to increase the pressure setting or counterclockwise to decrease it

leading to failed ignition cycles

Universal Refrigerant Compatibility: Suitable for use with common high-pressure refrigerants

allowing for field configuration to either normally open or normally closed positions

the internal components have likely failed

Schneider Electric (Viconics) VT7350C5531E Control THPU32HP7Y Remove the cap and turnThe Schneider Electric Viconics VT7350C5531E is a specialized fan coil controller designed for precision management of 2 pipe and 4 pipe HVAC systems in commercial and hospitality environments. This unit features 2 on off or floating outputs, providing versatile control for heating and cooling valves. Integrated with on board PIR motion sensor capabilities, the VT7350 series optimizes energy efficiency through advanced occupancy based setback logic.