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Equipment Controls
Equipment Controls Bookmark and Share

BAC provides a complete, industrial grade control solution for all your evaporative cooling needs. For BAC Refrigeration Controls, click here.

  • Variable Frequency Drives
  • Enclosed Controls – Motor Starters and Contactors
  • Enclosed Controls with Factory Provided Programmable Logic Controllers
  • Safety Disconnect Switches
  • Externally Mounted Pre-Wired Terminal Box
  • Universal Mounting Brackets

Utilizing BAC as your single source simplifies the order and submittal approval process. BAC control panels are specifically designed to work seamlessly with all BAC units – including open cooling towers, closed circuit cooling towers, and evaporative condensers – and are engineered to meet your particular application.

Construction Details – Combined Drive Enclosure

Combined Drive

Combined Drive Enclosure (NEMA 3R Shown)

Main Disconnect Switch with Circuit Breaker

  • Easily re-settable
  • Lockable operator handle

VFD Keypad/BALTILOGIC Sequencing Software

  • Standard keypad with Hand-Off-Auto & Bypass
  • Monitors Fan Speed, Actual Temp/Pressure or Set-point Water Temp/Pressure
  • Ready, Run and Fault lights
  • BALTILOGIC Sequencing Software controls and stages all components
  • Eliminates need for temperature controller (Programmable Logic Controller)

24VDC Power Supply

  • 24 VDC power supply ensures redundancy

Space Heater

  • Maintains minimum operating temperature inside panel
  • Pre-wired enclosure heater with integral power supply (NEMA 3R) to prevent condensation
  • Thermostat control
  • Power supplied by line voltage

3-Contactor Bypass

  • Bypass VFD to across the line power
  • No downtime during VFD replacement

120V Transformer

  • Provides 120V, single-phase control circuit power
  • Power available for accessories

Factory Pre-wired Terminal Strip

  • Single point connection for all accessory interfaces
  • 120V power supply terminal
  • Includes all VFD termination points
  • Standardized terminal locations

Auxiliary Fan Motor Starter

  • Full voltage, non-reversing IEC Rated starter
  • Supports main or pony fan

Spray Pump Motor Starter(s)

  • Full voltage, non-reversing IEC Rated starter
  • WET/DRY Operating Mode
  • Supports up to 2 spray pump motors

Basin Heater Contactor(s)

  • Standard ground fault protection
  • Supports up to 2 basin heaters

Cover Controls

  • Hand-Off-Auto switches for fans and pumps
  • Pilot lights for accessory interfaces
  • Remote fault reset button

Construction Details – Standard VFD

RECEPT_O2

Standard VFD – (NEMA 3R shown)

Main Disconnect Switch with Circuit Breaker

  • Easily re-settable
  • Lockable operator handle
  • Adjustable instantaneous trip point Ventilation Hood
  • Required for NEMA 3R Drives

VFD Keypad/Keypad Connector

  • Standard keypad with Hand-Off-Auto & bypass
  • Monitors fan speed, actual temp/pressure or set-point water temp/pressure
  • Ready, run and fault lights
  • Multi-monitor display
  • RS-232 connection provides compatibility interface with a PC to troubleshoot or reprogram the VFD

24 VDC Power Supply

  • 24VDC power supply ensures redundancy

Space Heater

  • Maintains minimum operating temperature inside panel
  • Pre-wired enclosure heater with integral power supply (NEMA 3R) to prevent condensation
  • Thermostat control

3-Contactor Bypass

  • Bypass VFD to across the line power
  • No downtime during VFD replacement

Construction Details – Standard Enclosed Controls

RECEPT_01

Standard Enclosed Controls – (NEMA 12 shown)

Main Disconnect Switch with Circuit Breaker

  • Lockable operator handle

120V Transformer

  • Provides 120V, single-phase control circuit power from high voltage, three-phase supply (from 200-575V)

Switches, Pilot Lights & Buttons

  • Hand-Off-Auto switches for pumps, fans and basin heaters
  • Vibration cutout switch remote reset button

Auxiliary Fan Motor Starter

  • Full voltage, non-reversing starter
  • NEMA rated starters (25 Amp and above)
  • IEC rated starters (25 Amp and below)

Temperature Controller/Operator Interface

  • Externally mounted controller interface monitors and adjusts desired parameters. (See Combined Drive Enclosure to eliminate need for temperature controller)
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