Z31E Digital controller

For refrigerating units with energy saving

More details

New product
 
More info

Features

  • 2 probe inputs (or 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 (alternativelly to the second input)
Keyboard:
Mechanical
Sensitive-Touch

Process outputs:
up to 2 relay outputs:
OUT1 SPDT or SPST-NO
  16A-AC1, 6A-AC3 250 VAC, 1 HP 250 VAC, 1/2HP 125 VAC
OUT2  SPDT
  5A-AC1, 3A-AC3 250 VAC, 1/2 HP 250 VAC, 1/3 HP 125 VAC
12 A max for each terminal with extractable terminal block

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 configurable alarms:
- Probe error “E1”, “-E1”
- Temperature tresholds: “Hi”, “Lo”
Compressor protection
Start-up delay
Defrost
Defrost start/stop:
   Time based (continuos compressor working time)
   Temperature driven
   Dynamic Defrost (with second probe)
Defrost methods:
   By compressor stop
   By electrical heater
   By hot gas
   By cycle reverse 

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

Contact Us

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

 

Please fill details below and one of our representative will contact you shortly. 

30 other products in the same category: