Description
The Copeland FSX-42S (SKU 097993) is a precision-engineered electric fan speed control designed to optimize condenser fan operation in commercial and residential HVAC and refrigeration systems. By modulating fan speed in response to system head pressure, this control helps maintain stable operating conditions, improve energy efficiency, and extend equipment life — even under varying ambient temperatures.
Key Features
- Model: FSX-42S
- Operating Voltage: 230VAC
- Pressure Range: 190–360 PSI
- Connection Type: 1/4″ Flare
- Electric fan speed modulation for accurate head pressure control
- Designed for use with Copeland compressor systems
- Helps maintain consistent condensing pressure during low-ambient conditions
How It Works
The FSX-42S senses system discharge (head) pressure through its 1/4″ flare connection and sends a proportional signal to the condenser fan motor. As pressure drops — typically during cold-weather operation — the control reduces fan speed to maintain the target condensing pressure. This prevents compressor short-cycling, protects system components, and keeps the refrigeration circuit operating within design parameters.
Applications
- Commercial refrigeration condensing units
- Air-cooled air conditioning systems
- Low-ambient operation scenarios
- Systems requiring head pressure control and fan speed modulation
Why Choose the Copeland FSX-42S
Copeland is a globally recognized leader in compressor and refrigeration control technology. The FSX-42S reflects that heritage — delivering reliable, pressure-responsive fan speed control that protects your investment and maximizes system efficiency. Its 1/4″ flare connection ensures straightforward field installation, and its 190–360 PSI operating range covers a broad spectrum of common refrigerants and system configurations.
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