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Electro-DEF-1-F-Defrost-Timer

Defrost Timer – DEF1/F

R591.36

Microprocessor based defrost timer with four selectable cycle times and separately adjustable fan delay of 3-60 seconds and defrost time range from 0.3 – 60 minutes. The defrost time can be overridden, starting the cooling time first when contact 5 & 6 a rebridged permanently. Contact 5 & 6 can also be used as a temperature override. Closing contact 5 & 6 during the defrost cycle will start the cooling cycle. Any adjustment on the front potentiometers after the supply is applied is not acknowledged. This prevents unwanted changes of the time range.

 

Features:

 

  • Microprocessor based design
  • Cycle time ranges 4, 6, 8, 12 hours via rear DIP switch
  • Separate potentiometer adjustable time settings for DEFROST and FAN DELAY period
  • Selectable defrost time ON or OFF first
  • Temperature override input
  • Repeatable deviation: <0.2%
  • Power supply ON and Relay ON LEDs
  • Output SADPOT
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Description

Time Specifications

Cycle Time Ranges 4, 6, 8, 12 hours
Defrost Time Ranges 30 – 60 minutes
Fan Delay Time Range 0.3 – 6 minutes
Range Accuracy ≤ 0.5%
Scale Accuracy ± 5%
Repeat Accuracy ± 0.2%
Time Variation ≤ 0.05% / V
within rated power supply and ambient temperature ≤ 0.2% / °C
Reset Time 500 ms

Output Specifications

Output Specifications SPDT
Rated Isolation Voltage 6000 VAC (contact / electric)
1000 VAC (contact / contact)
Nominal Rate in AC1 (AG-Ni) 1500 VA
Rated Current 5A
Rated Voltage 250V
Mechanical Life 10×106 cycles
Electrical Life 10×103 cycles (at max load)
Operation Frequency ≤ 1800 cycles/h

Supply Specifications

Power Suppy AC Type 110, 230, 400V, 525V ± 10%
(Galvanic) 50 / 60 Hz ± 5Hz
Isolation 4kV
Consumption ± 3VA
±6 VA 525 VA
Power Suppy DC Types 12, 24, 48 V ± 10%
(Non-galvanic)
Isolation None
Consumption ± 100mA

General Specifications

Power ON Delay ≤ 300 ms
Power OFF Delay ≤ 200 ms
Indication for
Power Supply ON LED red
Defrost ON Defrost LED green (flashing)
Cooling Defrost LED green
Fan Delay Fan LED green (flashing)
Environment
Degree Of protection IP 20
Operating Temperature -10 to + 50°C
Storage Temperature -50 to + 85°C
Weight 200g

Additional information

Supply Voltage

525Vac, 400Vac, 230Vac, 110Vac, 48Vac/dc, 24Vac/dc, 12Vac/dc

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