TLW24

Digital controller for refrigerating units

  • 2 temperature probe inputs: PTC KTY81-121 (990 Ω @ 25 °C) or NTC 103AT-2 (10KΩ @ 25 °C)
    Overall accuracy: ± 0,5 % fs + 1 digit
  • 1 digital input free voltage
  • Mechanical keyboard: 7 multifunction keys
  • Process outputs: Up to 4 relay outputs.
    OUT1: relay SPST-NO 20A-AC1, 15A-AC3 /250VAC, 2HP 250VAC, 1 HP 125VAC
    OUT2: relay SPDT 8A-AC1, 3A-AC3 250 VAC, 1/2HP 250 VAC, 1/3 HP 125 VAC
    OUT3: relay SPST-NO 8A-AC1, 3A-AC3 250 VAC, 1/2HP 250 VAC, 1/3 HP 125 VAC
    OUT4: relay SPST-NO 16A-AC1, 6A-AC3 250VAC,1HP 250VAC, 1/2HP 125 VA or  Relay SPDT 16A-AC1, 6A-AC3 250VAC,1HP 250VAC, 1/2HP 125 VA
    (Note 1)
  • Internal buzzer
  • Power supply: 12... 24 VAC/DC, 100... 240 VAC ± 10% (50/60 Hz)
  • Functions:
    - Stand-by mode
    - ON/OFF control
    - Start-up delay
    - Room probe peack values memorization
    - Compressor protection timer
  • Defrost: Defrost start/stop:
    - Manual
    - Time intervals
  • Defrost methods:
    - By compressor stop
    - By electrical heater
    - By hot gas
    - By cycle reverse
  • Evaporator Fan Control Room Light control
  • Alarms
    - Up to 4 different kind of configurable alarms:
    - Probe errors
    - Temperature thresholds: absolute or relative
    - External alarm
    - Door alarm
  • Communication and programming:

Communication on TTL port to: 
- Universal programming key
- Remote display
- RS 485 serial interface adapter TLCNV

Programming/configuration tools:

- Easy to use front interface for configuration
- Configuration software available for PC

Installation

Mounting method: panel mount
Case dimensions: 185 x 38 mm, depth 84 mm

Connections

Signals connection
- Faston 6.3 mm (Power supply and outputs)
- 2.5 mm² screw terminals block (inputs)

Display and indicators

1 display line, 4 digit, h 12 mm, red or blue colour
3 LED Bargraph + 6 indicating LEDs

Connectable to:

- Programming key A01
    for PC connection, backup and other functions
- RS 485 serial interface adapter TLCNV

Notes

1) 20 A Max. for common power supply

UL Recognition Canada USA

File no. E206847
Ref. UL/CSA 60730-1-2-9