Accustat PSG Controls PFC-M24 2/4" Pipe Fan Coil Changeover

Product Overview:
Managing temperature settings in connected fan coil and heat pump equipment requires a control designed for the system's piping arrangement and electrical supply. The PFC-M24 Digital Fan Coil Thermostat provides digital temperature control for designated 2-pipe and 4-pipe applications. Operating on 24 VAC, it supports PTAC, PTHP, and water source equipment. It serves as an OEM replacement component for systems requiring this thermostat configuration.

Digital Temperature Adjustment:
The digital thermostat provides an interface for setting the desired temperature. These adjustments supply the control input used by the connected equipment to respond to the selected temperature requirements.

Fan Coil System Control:
The thermostat supports control applications involving 2-pipe and 4-pipe fan coil configurations. Its operation coordinates temperature settings with the connected equipment, supporting heating and cooling functions according to the system arrangement.

Replacement Guidelines:
Replace the existing thermostat with the PFC-M24 Digital Fan Coil Thermostat when the original control is damaged or no longer responds as intended. Before removal, a qualified technician should isolate power to the equipment and inspect the existing thermostat's wiring, mounting arrangement, and electrical supply. Record the terminal connections and confirm the system's 2-pipe or 4-pipe configuration. Install the replacement according to the required control arrangement, reconnect the wiring, and verify the temperature settings and connected equipment response.

Common Failure Symptoms:

• Digital display becomes unresponsive
• Temperature adjustments do not register
• Inconsistent temperature control
• Connected fan coil equipment does not respond to thermostat commands
• Intermittent thermostat operation

Equipment Compatibility:
The PFC-M24 Digital Fan Coil Thermostat serves as an OEM replacement component for designated 2-pipe and 4-pipe fan coil applications, including PTAC, PTHP, and water source equipment requiring a 24 VAC control. Its application depends on the existing thermostat configuration, electrical supply, and equipment requirements. Before purchasing, compare the existing control's voltage, piping arrangement, and application with the replacement specifications.

Technical Specifications:
Part Number: PFC-M24
Brand: Accustat PSG Controls
Component Type: Digital Fan Coil Thermostat
Voltage: 24 VAC
Pipe Configuration: 2-Pipe / 4-Pipe
Equipment Applications: PTAC / PTHP / Water Source