Lennox 94W59 Board
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Lennox 94W59 Board

Lennox 94W59 Board

Ensure critical protection for your three-phase HVAC equipment with the Lennox 94W59 Phase Loss & Reversal Board. Designed to monitor incoming power parameters, this board serves as a primary defense against phase loss, phase reversal, and dangerous voltage unbalance scenarios that can lead to catastrophic motor failure. Engineered by ICM Controls for Lennox applications (equivalent to model ICM401A), this unit features a universal 3-phase input range of 180-600 VAC and operates on a standard 18-32 VAC control voltage. The epoxy-encapsulated housing provides robust moisture and vibration resistance, making it suitable for demanding rooftop and commercial environments. Integrated LED indicators furnish immediate visual diagnostics with "ON" and "FAULT" status lights, allowing technicians to verify sequence integrity and power quality at a glance. By utilizing a SPDT relay output rated for 6 Amps at 32 VAC, the 94W59 phase monitor effectively breaks the control circuit to protect compressors and blowers the moment a fault is detected.

Key Benefits
  • Universal Compatibility: Supports a wide operating range of 180-600 VAC, suitable for various 3-phase commercial configurations.
  • Enhanced Motor Protection: Guards against single-phasing and incorrect rotation to prevent overheating and mechanical stress.
  • Simplified Diagnostics: Dual LED status indicators streamline troubleshooting by identifying power faults without additional testing equipment.
  • Durability: Fully encapsulated design protects sensitive circuitry from environmental contaminants and moisture.
Common Questions

What causes a red fault light on the Lennox 94W59?
A fault light typically indicates a detected phase loss, phase reversal, or an unbalance condition exceeding the set threshold. Verify incoming line voltage at the 3-phase terminals and ensure the sequence is correct.

Can this board be used on both 230V and 460V systems?
Yes, the 94W59 is rated for a universal input between 180 VAC and 600 VAC, making it compatible with most standard 3-phase industrial voltages.

Does the board require a neutral wire for sensing?
This phase monitor typically senses line-to-line voltage and does not require a neutral connection for phase monitoring, though you should always refer to the specific unit wiring diagram for proper lead placement.

This item is not eligible for free shipping.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.

$58.48

Original: $167.10

-65%
Lennox 94W59 Board

$167.10

$58.48

Lennox 94W59 Board

Ensure critical protection for your three-phase HVAC equipment with the Lennox 94W59 Phase Loss & Reversal Board. Designed to monitor incoming power parameters, this board serves as a primary defense against phase loss, phase reversal, and dangerous voltage unbalance scenarios that can lead to catastrophic motor failure. Engineered by ICM Controls for Lennox applications (equivalent to model ICM401A), this unit features a universal 3-phase input range of 180-600 VAC and operates on a standard 18-32 VAC control voltage. The epoxy-encapsulated housing provides robust moisture and vibration resistance, making it suitable for demanding rooftop and commercial environments. Integrated LED indicators furnish immediate visual diagnostics with "ON" and "FAULT" status lights, allowing technicians to verify sequence integrity and power quality at a glance. By utilizing a SPDT relay output rated for 6 Amps at 32 VAC, the 94W59 phase monitor effectively breaks the control circuit to protect compressors and blowers the moment a fault is detected.

Key Benefits
  • Universal Compatibility: Supports a wide operating range of 180-600 VAC, suitable for various 3-phase commercial configurations.
  • Enhanced Motor Protection: Guards against single-phasing and incorrect rotation to prevent overheating and mechanical stress.
  • Simplified Diagnostics: Dual LED status indicators streamline troubleshooting by identifying power faults without additional testing equipment.
  • Durability: Fully encapsulated design protects sensitive circuitry from environmental contaminants and moisture.
Common Questions

What causes a red fault light on the Lennox 94W59?
A fault light typically indicates a detected phase loss, phase reversal, or an unbalance condition exceeding the set threshold. Verify incoming line voltage at the 3-phase terminals and ensure the sequence is correct.

Can this board be used on both 230V and 460V systems?
Yes, the 94W59 is rated for a universal input between 180 VAC and 600 VAC, making it compatible with most standard 3-phase industrial voltages.

Does the board require a neutral wire for sensing?
This phase monitor typically senses line-to-line voltage and does not require a neutral connection for phase monitoring, though you should always refer to the specific unit wiring diagram for proper lead placement.

This item is not eligible for free shipping.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.

Product Information

Shipping & Returns

Description

Ensure critical protection for your three-phase HVAC equipment with the Lennox 94W59 Phase Loss & Reversal Board. Designed to monitor incoming power parameters, this board serves as a primary defense against phase loss, phase reversal, and dangerous voltage unbalance scenarios that can lead to catastrophic motor failure. Engineered by ICM Controls for Lennox applications (equivalent to model ICM401A), this unit features a universal 3-phase input range of 180-600 VAC and operates on a standard 18-32 VAC control voltage. The epoxy-encapsulated housing provides robust moisture and vibration resistance, making it suitable for demanding rooftop and commercial environments. Integrated LED indicators furnish immediate visual diagnostics with "ON" and "FAULT" status lights, allowing technicians to verify sequence integrity and power quality at a glance. By utilizing a SPDT relay output rated for 6 Amps at 32 VAC, the 94W59 phase monitor effectively breaks the control circuit to protect compressors and blowers the moment a fault is detected.

Key Benefits
  • Universal Compatibility: Supports a wide operating range of 180-600 VAC, suitable for various 3-phase commercial configurations.
  • Enhanced Motor Protection: Guards against single-phasing and incorrect rotation to prevent overheating and mechanical stress.
  • Simplified Diagnostics: Dual LED status indicators streamline troubleshooting by identifying power faults without additional testing equipment.
  • Durability: Fully encapsulated design protects sensitive circuitry from environmental contaminants and moisture.
Common Questions

What causes a red fault light on the Lennox 94W59?
A fault light typically indicates a detected phase loss, phase reversal, or an unbalance condition exceeding the set threshold. Verify incoming line voltage at the 3-phase terminals and ensure the sequence is correct.

Can this board be used on both 230V and 460V systems?
Yes, the 94W59 is rated for a universal input between 180 VAC and 600 VAC, making it compatible with most standard 3-phase industrial voltages.

Does the board require a neutral wire for sensing?
This phase monitor typically senses line-to-line voltage and does not require a neutral connection for phase monitoring, though you should always refer to the specific unit wiring diagram for proper lead placement.

This item is not eligible for free shipping.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.

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