Digital dual thermostat XK-W1088, -50 to +110°C, 12V power supply

Product detailed description

Dual thermostat variant XH-W3001 (M452) with two independent switching and measuring circuits, supplemented by an audible alarm for exceeding the limit values.


Technical parameters:

- working voltage: DC 12V
- outputs: 2× - in active state 12VDC via relay switching contact 250VAC/5A (14VDC/20A)-type4181
- controlled temperature range: -55-110°C
- resolution: 0.1°C (above 100°C 1°C), accuracy 0.5°C in the range -10°C-100°C
- measurement frequency: 2×/sec
- measuring sensor: 2× NTC (10kohm 0.5%), waterproof
- dimensions: 75×55×30mm

Instructions for use:
The thermostat allows setting the temperatures T1 and T2 for two independent circuits, i.e. 2× T1and T2, where T1 is the temperature at which the thermostat switches on and T2 is the temperature at which the thermostat switches off. The thermostat tripping is indicated by the OUT1 and OUT2 LEDs.

For temperature adjustment:

- long press T1 (^1 or ^2) depending on the setting of the desired circuit 1 or 2. Once the display starts flashing, the arrow keys can be used to adjust the switching temperature setting (preset 25°C). To set the T2 temperature, long hold ˇ1 or ˇ2. As soon as the display starts flashing, the arrow keys can be used to adjust the switching temperature setting (preset 40°C).
- by simultaneously pressing ^1 and ^2 in setup mode, the delay time for turning on circuit 1 (P0 on display) or circuit 2 (P1 on display) can be further adjusted in the interval 0-60min (preset 0min) and the high temperature (P2) or low temperature (P3) audible alarm. The audible high and low temperature alarm is factory set to the thermostat limit, i.e. -55°C/ +120°C. - Press ^1 and ^2 simultaneously for 3sec. to restore the factory parameters.
- by pressing ^1 and 1v at the same time it is possible to set the offset of the measurement channel.

Connect the supply voltage to the red (+) and black (-) wires, 12V appliances to the yellow and black wires.

Working modes:
The two circuits can also be set inversely, where T1 > T2. By combining the two circuits it is possible to obtain many control methods, e.g. to switch on heating in a certain temperature range and to switch on cooling in another temperature range.

- heating mode (T1 < T2): when the device is switched on, the thermostat output is switched on until the measured temperature reaches the T2 level. As soon as the measured falls to the T1 level, the output is activated again.
- cooling mode (T1 > T2): when the device is switched on, the output is inactive until the measured temperature reaches the T1 level. Then the output is activated until the measured temperature reaches the T2 level.
- press and hold the up arrow and the display will flash to activate the appliance's temperature setting.
- press and hold the down arrow and the display will flash to activate the opening temperature setting.
- if the opening temperature is higher than the opening temperature, the thermostat is set to cooling otherwise the thermostat will be set to heating.

The product is not a separately functional unit, it requires professional assembly.