Refrigeration Controller for Medium Temperatures (30A Compressor, 230 VAC)

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Overview
With a high capacity compressor relay, the PSK231 offers a digital controller solution for large compressor (up to 2 HP) open and closed refrigeration units. The PSK231 also provides increased functionality with the multifunction input – which can be configured for a door switch, an evaporator temperature sensor (for temperature terminated defrost), a condenser temperature sensor (for condenser overheat alarm and compressor lock-out) or to trigger energy saving mode. Other features include temperature alarms and easy setup with the optional programming key.

Features

• The PSK231 controller manages medium temperature refrigeration units by controlling a compressor and sensing temperature
• Single digital output (relay): 30A compressor, 1HP @ 120VAC, 2HP @ 230VAC
• Alarm buzzer and TTL serial port (RS485 Modbus)
• 1 NTC/PTC temperature sensor input
• 1 multipurpose input (configure as switch or temperature sensor)
• IP65 front panel protection
• 3-1/2 digit display shows decimal point values (in Celsius mode) at -10.0° and below
• Easy to understand multicolor display icons
• Front bezel size: 2.95” x 1.3” (75 x 33 mm)
• Panel cut out: 2.79” x 1.14” (71 x 29 mm)
• Power supply: (N5) 120VAC 50/60 Hz, (N7) 230VAC 50/60 Hz