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UL 508A Control Panel

FIS UL 508A Control Panel

Base Control Panel

Our UL 508A Control Panels are specifically designed for use in HVAC, industrial and commercial applications. Each panel is engineered and fabricated for simple and easy installation. Whether the specification requires simple relay logic or complex system design, our diverse engineering and manufacturing capabilities allow us to provide cost-effective reliable solutions.

These UL 508A panels are fully factory assembled, wired, and tested systems designed for single-point power connection. Shipped separately for field installation, they include a clearly marked terminal strip for easy device connections and come with wiring schematics, operation instructions, and a component list.

Control Panels for Cooling Towers

Our UL 508A control panels are designed for cooling towers to effectively manage Variable Frequency Drives (VFD), individual fans, pumps, and heaters within the HVAC system. Essential control components ensure proper sequencing, along with built-in mechanical and electrical interlocks for enhanced safety. Each panel incorporates operational devices, such as thermostats and alarms, allowing for both manual and automatic operations.

For retrofitting projects or new construction, our HVAC control systems provide a straightforward solution to improve system performance while meeting specific installation needs.

LAKOS Basin Sweeping System installed at Cooling Tower

UL 508A Panel Features

Standard Features

• UL Listing/Label
• IEC Components
• NEMA Type 3R (Outdoor Rated) Enclosure
• Main Non-Fused Disconnect with Door Interlock
• Motor Contactor(s)
• Overload and Short Circuit Protection
• Selector Switch(es), Hand-Off-Auto (HOA)
• Indicating Light(s)
• Control Transformer
• Terminal Strip

HVAC — Optional Features

• NEMA Type 1, 4, 4X, 12 Enclosure
• Soft-Start, VFD
• Two Speed Motor Starter(s)
• Dual Motor Starter(s)
• Reversing Starter(s)
• Short Cycle Timer
• Deceleration Timer
• Auxiliary Hook-Up Point(s)
• 120 Volt Auxiliary Power
• Remote Signal/Annunciation
• Damper Motor Controls
• Pan Heater(s) Controls
• Pump Starter(s) Controls
• Level Sensor Control/Power
• 120 Volt GFI Service Receptacle
• Thermostat Control
• NEMA Components

Industrial — Optional Features

• NEMA Type 4, 4X, 7, 9, 12 Enclosure
• Climate Controlled Enclosures
• Soft-Start, VFD
• Two-Speed Motor Configuration
• Reversing Configuration
• Motor Sequencing
• Motor Alternation
• Redundant Systems
• Auxiliary Hook-Up Point(s)
• Remote Signal/Annunciation
• 120 Volt GFI Service Receptacle
• NEMA Components

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