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Description
ICM325HN Head Pressure Controls helps prevent evaporator freeze-ups, liquid-slugged compressors, low pressure cutouts and overshoots seen with on/off and pressure switch controls.

Features
  • Integral heat pump bypass circuitry allows electronic bypass of the speed control during heat pump operation
  • Eliminates overshoots common to on/off and pressure switch controls
  • Solid state 10 amp load carrying capability
  • Single unit controls up to 3 refrigerant circuits
  • Multiple voltage ranges
  • Low temperature bypass, isolated 24 VAC supply
  • Hard start adjustable from .1-5 seconds; provides full torque to the motor during start-up to help ensure proper fan rotation and lubrication bearings
  • Low speed cutoff, field adjustable. User may set the minimum RPM level at which the condenser fan should operate
  • High Temperature Bypass, Applies full voltage to the condenser fan under normal conditions
  • RoHS compliant / Lead Free design
  • Typical applications: A/C and heat pumps
Applications

Ideal for low ambient conditions found in:
  • Supermarkets, frozen food storage
  • Computer rooms, cooling tower fans
  • Temperature/humidity-sensitive environments
Mode of Operation - ICM Head Pressure Controls operate as temperature-sensitive motor fan speed controls. Head pressure is regulated during low ambient conditions by varying the amount of airflow through the condenser. This helps ensure sufficient pressure across the expansion valve, preventing costly downtime and/or loss of valuable perishable goods.
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Manuals (2)
Specs
Product Type:
Single Phase Control
Application:
Air Conditioners
Heat Pump
Wire Size:
#10 GA
Frequency:
50-60 HZ 1.8 VA max
Line Voltage:
120-480 VAC
- Maximum:
10 amps
- Minimum:
100 mA
Operating Temp Range:
-40° to 175°F
Modulation:
70° to +100°F
Sensors:
10K ohms at 77°F
Heat Pump Override:
24 VAC N.C. or N.O.
Mount:
Surface
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