Diymore W1209 Schnellstart-Handbuch
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The temperature is displayed in degrees Centigrade via its 3 digit display and the current relay state by an on board LED.
Note that the power supply must be connected to the K0 / K1 relay contacts, the relay is not connected to the 12V support
power. If your device operates on 12V, the same power supply can be used for both, otherwise a separate power supply
should be used to power your device as shown in the interconnect drawing below.
Examples:
1) Set P0 to C for cooling, P1 (hysteresis) to 2 degrees, and setpoint to 30C, with a fan wired to the fan's power supply
with one of the connections (either hot or ground) connected through the K0/K1 relay contacts. When the temperature measured
(1)
by the sensor rises to 30C
, the fan will turn on to cool. When the temperature drops below 28C (30C setpoint - 2C hysteresis
the fan will turn off.
2) Set P0 to H for heating, P1 to 1 degree, and setpoint to 15C, with
a heating element wired to its power supply through the K0/K1 relay
contacts. When the temperature drops to 15C, the heater will turn
on. When the temperature rises above 16C (15C setpoint + 1C
hysteresis), the heater will turn off.
Specifications:
Temperature Control Range: -50° ~ 110°C
●
●
Resolution at -9.9°to 99.9°: 0.1°C; 1°C over 99.9°
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Measurement Accuracy: 0.1°C; Control Accuracy: 0.1°C
●
Refresh Rate: 0.5 Seconds
Input Support Power (DC): 6V - 12V
●
The maximum input support voltage should not exceed
12V. In applications such as an automobile or RV where
the battery voltage can exceed 12V, a regulator circuit such as a
1N5349 zener diode and series resistor should be used to limit
the voltage to 12V
Measuring Input: NTC (10K 0.5%)
●
●
Waterproof Sensor: 0.5M cable
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Output: 1 Channel Relay Output, 20A max current
Power Consumption:
Static Current: ~35mA; Maximum Current: ~65mA
●
Environmental Requirements:
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Temperature: -10° ~ 60°C; Humidity: 20-85%
Dimensions:
48mm x 40mm x 14mm (LxWxH)
●
Displaying the current temperature:
The thermostat will display the current temperature in degrees C by default.
When in any other mode, making no input for approximately 5 seconds will cause the thermostat to return to this default display.
W1209 12V -50° to 110°C Digital Thermostat
Temperature Controller Module
The W1209 is a low cost yet highly functional thermostat controller. This module intelligently
controls power to most types of electrical device based on the temperature sensed by the
included high accuracy NTC remote temperature sensor.
The cooler, heater or fan is connected to a power supply through the relay contacts K0 and
K1, and the temperature on/off setpoints are programmed into the W1209 using the onboard
Set, Increase and Decrease buttons and display. The relay contacts are then open and closed,
acting as a power switch for the cooler/heater, based on the temperature measured by the
NTC temperature sensor (included with the module) and the setpoints programmed into the
W1209 controller. 3 switches are used to configure the parameters including on & off trigger
temperatures. The on-board relay can switch up to a maximum of 125V AC or 14V DC at 20A.
(1)
),