W09 Wall Mount Thermostat

Typically used in cooling applications that have temperature control

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The model W09 is a digital electronic thermocontroller that is typically used in cooling applications that have temperature control with ON/OFF mode and defrosting control with intervals time by stopping compressor. The instrument has one relay output and one input for PTC or NTC temperature probes, in addition can be equipped with an internal buzzer that is the sound system for alarms.

Features

  • Wall mount thermostat 122 x 75 mm
  • 1 Configurable probe input
  • 1 SPDT relay output
  • Internal buzzer
  • Time based defrost by compressor stop
  • Configurable alarm
  • 1 display, 3 digits, 15.5 mm
  • Red or blue colour
 
Specifications

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 digit

Keyboard

- Mechanical keyboard:
4 multifunction keys

Process outputs

1 Digital output

OUT1
- RELAY SPDT, 8A( 1/2HP 250V, 1/3HP 125 VAC)

Power supply:

- 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

Configurable alarm within the following  types:
- Probe errors
- Temperature tresholds: (Hi / Lo)

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: wall mount
Case dimensions: 75 x 122 mm, depth 34 mm
Cables outlet: on the back side or lateral side by PG9 cable gland

Connections

Signals connection
- 2,5 mm² screw terminals block

Display and indicators

1 display 3 digits, h 15.5 mm
      Red or blue colour
4 indicating LEDs

Connectable to:

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

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