Features 1、Used in commercial and civil buildings, it can control the coil motor and water valve of the central air-conditioning terminal of heating and cooling 2、Adopt surface mounted method, easy and simple to install and remove 3、The measured temperature is compared with the set temperature by the logic circuit, and the performance is stable 4、When the relative temperature difference is greater than 1 ℃, the fan or electric valve is automatically started, and when the ambient temperature reaches the set temperature, the fan or electric valve is automatically closed 5、Suitable for temperature control of the central air-conditioning fan coil, electric valve, electric air valve and other end equipment Specification Item Type: Temperature Controller Control Type: Temperature Control Mode: Mechanical temperature controller Measurement Object: Temperature control of the central air-conditioning fan coil, electric valve, electric air valve and other end equipment Temperature Measurement Error: ±1 (℃) Hole Size: 60 (mm) Installation Type: Surface mounted Output Signal: 3 (mA) Size: Approx. 128 x 86 x 26mm / 5 x 3.4 x 1in Weight: Approx. 220g / 7.8oz Rated Voltage: 220V / AC, 50 / 60Hz Rated Current: 1A Constant Temperature Range: 10-30 ℃ Temperature Deviation: ≤1 ℃ at 25 ℃ Environmental Conditions: -20 ℃-55 ℃ Model: Wsk-7 Package List 1 x Temperature Controller 1 x User Manual 2 x Screw 1 x Product Certification Card