Y39E Digital Controller

For refrigerating units with energy saving

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Features

  • 2 probe inputs, 1 digital input
  • Up to 2 relay outputs
  • Buzzer, defrost and energy saving functions.
  • Available with "Sensitive Touch" keyboard and extractable terminal block.
 
Specifications

Process inputs:
2 inputs for temperature probes:
PTC KTY81-121 (990 Ω @ 25 °C)
NTC 103AT-2 (10KΩ @ 25 °C)
Overall accuracy: ± 0.5 % fs + 1 digit
1 Free voltage digital input
Keyboard:
Mechanical
Sensitive-Touch

Process outputs:
up to 3 relay outputs:
OUT1: SPST-NO
   16A-AC1, 6A-AC3,1HP 250VAC, 1/2HP 125 VAC)
OUT2: SPDT
   8A-AC1, 3A-AC3 1/2HP 250VAC, 1/3HP 125 VAC
OUT3: SPST-NO
   5A-AC1 2A-AC3 250 VAC 1/8HP 125-250VAC)
16 A Max. for common (pin. 1), 12 A Max. for extractable terminal block model
Internal buzzer for alarm indication

Power supply:
Power supply :
- 12 VAC/VDC ±10%
- 12...24 VAC/VDC ±10%
- 100...240 VAC ±10%
Frequency AC: 50/60 Hz
Power consuption: around 4 VA

Control functions:
Stand-by mode
Control strategies :
ON/OFF
Up to 4 different kind of configurable alarms:
- Probe errors
- Temperature tresholds: (absolute or relative)
- External alarm
- Door alarm
Compressor protection
Start-up delay
Defrost
Defrost start/stop:
   Time based (continuos compressor working time)
   Temperature threshold ( Evaporator)
   Dynamic Defrost (with second probe)
Defrost methods:
   By compressor stop
   By electrical heater
   By hot gas
   By cycle reverse
Energy saving functions 

Communication and configuration:
Communication on TTL port to:
- Universal programming key
- Remote display 

Dimensions:
78x35 mm, depth 64 mm + 11.5 mm with extractable terminal block
Connections:
- 2.5 mm² screw terminals block
- 2.5 mm² extractable screw terminals block
IP65 front frame protection, with gasket
1 display with 3 digits, h 15.5 mm, red or blue colour

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“Industrial Technical Services is a single source Instrumentation and Automation company. We provide certified calibrations, PLC programming, custom controls and Panels”.

 

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