TLZ12

Digital thermostat with defrost

MODEL DISCONTINUED - Please contact our technical department for alternatives: +39 0381 69871

- Panel mount thermostat 78 x 35 mm
- 1 temperature probe input
- 1 Digital input
- Up to 2 relay outputs
- Internal buzzer
- 1 display, 4 digits
Red or blue colour

Process inputs:

1 temperature probe input

- PTC KTY81-121 (990 Ω @ 25 °C)
- NTC 103AT-2 (10KΩ @ 25 °C)
Overall accuracy: ± 0,5 % fs

1 digital input

- Free Voltage

Keyboard

- Mechanical keyboard:
4 multifunction keys

Process outputs

Up to 2 relay outputs

OUT1
- 1 relay SPST-NO 16 A-AC1,6 A-AC3 / 250 VAC
- 1 relay SPDT 16 A-AC1,6 A-AC3 / 250 VAC
OUT2
- Relay SPST-NO 5 A-AC1 (2 AAC3/ 250 VAC)

Power supply:

- 12 VAC/VDC± 10%
- 24VDC/VAC ± 10%
- 100… 240 Vac (50/60 Hz) ± 10%

Functions

- Stand-by mode
- ON/OFF control
- Start-up delay
- Compressor protection

Defrost

Defrost start/stop:
- Manual
- Time based
Defrost methods:
- By compressor stop

Alarms

Up to configurable alarms within the following  types:
- Probe errors
- Temperature tresholds: (Hi / Lo)
- External alarms “AL”

Communication and programming:

Interfaces

Communication on TTL port to:
- Universal programming key

Programming/configuration tools:

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

Installation

Mounting method: panel mount
Case dimensions: 78 x 35 mm, depth 64 mm

Connections

Signals connection
- 2,5 mm² screw terminals block

Display and indicators

1 display 4 digits, h 12 mm
Red or blue colour
3 indicating LEDs

Connectable to:

- Programming key A01 for PC connection, backup and other functions