The ICM337 is an application specific three-phase frequency inverter designed to regulate head pressure at low ambient conditions by varying the amount of airflow through the condenser. It helps to ensure sufficient pressure across the expansion valve and prevent costly downtime. Sensor Input Type: • Temperature • Pressure • 4-20 mA • 0-1OVCD. Sensor Temperature: •40°F to 140°F • 4°C to 60°C Pressure Set Point: • 20 to 420 psig. Minimum Frequency: • 3 to 55Hz Maximum Frequency: • 8 to 60Hz Current Trip: • 4 to 24 Amps (adjustable) Operating Characteristics: • Input Voltage: 480 VAC • Maximum Operating Temperature: 70°C. Pressure Transducer (ICM380) (Optional): • 0 to 500 psi, 1/4” SAE Female Flare (w/ Schraeder Deflator), 6 ft. long. • Power Rating: 480 VAC 1-5 HP.
ICM337
• True sine wave output • Eliminates harmonic resonance • Works with standard three-phase motor (no need to purchase expensive inverter grade motors) • Quick installation (no need to program around noisy harmonic frequencies) • Easy to program • Large LCD readout • Weather proof enclosure • Auxiliary contacts for multiple fan systems • Coast feature (allows fan to continue running at minimum frequency setting). REPLACES- HOFFMANN: MOTORMASTER III.
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