Digital thermostat W1209 24V, -50 to 110 °C

Product detailed description

Do you need to automatically switch cooling or heating according to the temperature? This W1209 smart thermostat is a cheap but very handy solution. Just power it with 12V, set the desired temperature and the rest will take care of itself - completely without programming.

ATTENTION! Incorrectly marked terminal block +12V, should be +24V or V+

Specifications:

• Working voltage: DC 24V
• Quiescent current: approx. 10 mA
• Operating current: approx. 65mA
• Relay output max:
  • 10A 120VAC
  • 20A 14VDC
• Controlled range: -50-110 °C
• Resolution: 0.1 °C (-9.9-99.9 °C) in other ranges 1 °C
• Measurement frequency: 2x/sec
• Measuring sensor: NTC (10K 0.5%), waterproof
• Operating conditions: -10 - 60 °C, 20 - 85%rH
• Probe size: 5x25mm
• Dimensions: 48x40x14mm

Instructions for use:

1. connect power supply voltage and load
2. the LED display shows the temperature
3. press SET, the temperature starts flashing
4. press - and + to set the desired temperature
5. press SET to confirm

Display legend

• LLL no temperature sensor connected
• HHH out of range

Setting parameters. Hold the SET button long and you can set 6 parameters:

• P0 Relay switches at lower/higher temperature than set temperature (setting C/H, default: C)
• P1 Hysteresis adjustable from 0.1 - 15 °C (default value 2 °C)
• P2* Thermostat upper limit (default value 110 °C)
• P3* Lower thermostat limit (default value -50 °C)
• P4 Temperature offset -7° - 7 °C (default value 0 °C)
• P5 Delayed start 0 to 10 minutes (default value 0 minutes)
• P6 High temperature warning 0 - 110 °C (default OFF), at this temperature the relay disconnects (safety shutdown after overheating)

* - These are the limits that you set in the thermostat administration (long press and hold the SET button). By briefly pressing the SET button you can then set the temperature only in the range P2 - P3.

Sensor cable +1 meter, error +0.1 °C

Included in delivery:

• 1pc Digital thermostat W1209 24V, -50 to 110 °C
• 1pc NTC Thermistor 29cm

Note:

• This product is not a standalone functional unit and may require professional installation.
• Product images are for illustration purposes only and may sometimes differ from the actual appearance of the item. However, this does not change its basic properties.