Cooling Tower Control Panel Specifications
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Solid-State Control: Pre-set 45° F ON/OFF temperature control with 5° F switching differential and built-in low water cutoff. Circuit board LED’s provide visual indication of heater-on and liquid level status.
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Ambient Temperature Range: -40° F to 150° F
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Fail Safe: Output relay is de-energized if the input sensor is either open or short-circuited. This prevents heater burnout problems.
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NEMA 4X enclosure with pre-mounted electrical hubs for conduit connections.
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Single probe to sense both water temperature and water level. Sensor probe supplied with 12-foot outdoor rated cord pre-connected to control panel. Probe also supplied with PVC hub connector for attachments through cooling tower basin wall.
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Nameplate showing maximum KW and amp ratings at system volts/phase.
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System Wiring Diagram.
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Installation and Operating Instructions.
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Rated for maximum of 40 amps or 50 amps with disconnect switch when specified.
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Suitable for multiple heaters per basin (maximum of 2 on 40 amp panel).
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Disconnect switch with door interlock and operator handle, which can be padlocked in the “OFF” position.
- Dimensions: 8″ x 10″ x 6″ for 40 amp size, 10″ x 12″ x 7″ for 50 amp size, 14″ x 16″ x 8″ for two circuits
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Control panels rated greater than 50 amps are supplied with two circuits and offered either with built-in fusing or a circuit breaker for each circuit.
