W09D

Differential wall mount thermostat

- Wall mount thermostat 122 x 75 mm
- Up to 3 Configurable probe inputs
- Up to 3 relay outputs
- Absolute or Differential ON/OFF controller
- Internal buzzer
- Time based defrost
- Configurable alarms
- RTC for up to 98 weekly events
- 1 display, 3 digits, 15.5 mm
      Red or blue colour

Process inputs:
up to 3 temperature probe inputs

(Note 1)
- PTC KTY81-121 (990 Ω @ 25 °C)
- NTC 103AT-2 (10KΩ @ 25 °C)
- RTD: PT1000
Measuring range:
Pt1000 :      -99,9 ... 500 °C / -148 ... 932 °F
NTC:       -50...109 °C / -58...228 °F
PTC: -50...150 °C / -58 ... 302 °F
Overall accuracy: ± 0,5 % fs + 1 digit

1 digital input:
- Free Voltage (Note 1)

Keyboard: Mechanical, 4 multifunction keys

Process outputs:
Up to 3 digital outputs

OUT1: Relay SPST-NO 14A-AC1 (6AAC3 250 VAC, 1 HP 250 VAC, 1/2 HP 125 VAC)
OUT2: Relay SPDT 8A-AC1 (3A-AC3 250 VAC, 1/2 HP 250 VAC, 1/3 HP 125 VAC)
OUT3: Relay SPST-NO 4A-AC1 ( 2A-AC3 250 VAC, 1/8 HP 250-125 VAC)
(Note 2)

- Internal buzzer

Power supply:
100… 240 Vac (50/60 Hz) ± 10%

Functions:
- Stand-by mode
- ON/OFF control
- Absolute or Differential Control
- Auxiliary controller
- Start-up delay
- Real Time Clock for up to 98 weekly events
- Compressor protection

Alarms:
Configurable alarm within the following  types:
- Temperature tresholds: (Hi / Lo) on each probe
    inclusive of activation delay

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

Used for:
- HVAC applications
, Storage chambers and storage rooms
- Liquid coolers (chillers)
- Natural air-conditioning systems through the recirculation of air
- Heating by solar panels
- Many other applications where two temperature readings are needed

Notes:
1) The third probe input may be used as Free voltage digital input
2) 16 A Max. on common line (Terminal 12)