Simplex 4004R Suppression Releasing Panel

Simplex 4004R Suppression Releasing Panel

The Simplex 4004R Suppression Releasing Panel is a dedicated fire alarm control unit (FACU) designed specifically to manage automatic fire suppression release systems, such as clean agent discharge, Deluge, or Preaction sprinkler systems. It is distinguished by its safety, flexibility, and ease of programming — all in a compact and cost-effective design.

Key Features

• Dedicated FACU for Suppression Control

• Supports 1 or 2 initiating device circuits (IDCs) with detector and switch supervision.

• Integrated Notification Appliance Circuits (NACs) for horns, strobes, or other signaling devices.

• Releasing Circuit Output for controlling solenoid valves or suppression actuators.

• Programmable Delay Feature – allows time delay before agent discharge.

• Abort & Manual Release Support – compatible with abort switches and manual release stations.

• Line Supervision – ensures circuit integrity for reliable system performance.

• Backup Power Support – compliant with NFPA 72, with monitored and automatically charging 24 VDC batteries.

Technical Specifications

• Primary Power: 120 VAC or 240 VAC, 50/60 Hz

• Secondary Power: 24 VDC batteries (monitored, auto-charging)

• IDCs (Initiating Device Circuits): 2 zones, selectable Class A or Class B

• NACs (Notification Appliance Circuits): 2 outputs, selectable Class A or B

• Releasing Circuit Output:

  • 24 VDC

  • Supports UL/FM-approved solenoids and actuators

• Relay Outputs: Alarm, Trouble, Supervisory status reporting

• Cabinet: Wall-mounted, metal enclosure, powder-coated finish

Standards & Approvals

• UL 864 – Control Units for Fire-Protective Signaling Systems

• ULC-S527 – Canadian Standard for Fire Alarm Control Units

• FM Approved

• MEA (New York City)

• Complies with NFPA 72, NFPA 12, NFPA 2001