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Method for setting humidity values for humidification or dehumidification modes.
Press and hold '+' to flash humidity, set start humidity with +/- keys.
Press and hold '-' to stop humidity flashing, set stop humidity with +/- keys.
Long press '+' for 3s to set start temperature. Value flashes, adjust with +/- keys.
Long press '-' for 3s to set stop temperature. Value flashes, adjust with +/- keys.
Press temp & humidity '+' simultaneously for 3s to reset to default 888888.
Operating mode is heating when start temperature is less than stop temperature.
Operating mode is cooling when start temperature is greater than stop temperature.
Illustrates the connections for AC loads and DC power supply.
Explains the meaning of 'Indicator ON->Relay ON' and 'Indicator OFF->Relay OFF'.
Shows specific connections for temperature output, power supply, and humidity output.
The XH-M452 is a versatile temperature and humidity controller designed for a wide range of applications, offering precise control over environmental conditions. This device integrates both temperature and humidity sensing and control capabilities into a single unit, making it an efficient solution for managing various climate-controlled environments. Its primary function is to maintain desired temperature and humidity levels by activating or deactivating connected loads, such as heaters, coolers, humidifiers, or dehumidifiers, based on user-defined set points.
One of the core functions of the XH-M452 is its ability to operate in either humidification or dehumidification mode. Users can easily set a "start humidity" value and a "stop humidity" value. When the ambient humidity falls below the "start humidity" threshold, the device can activate a humidifier to increase moisture. Conversely, if the humidity rises above the "stop humidity" threshold, it can activate a dehumidifier to reduce moisture. This dual-mode capability ensures that the humidity levels are consistently maintained within the desired range, preventing issues related to excessive dryness or dampness. The setting process for humidity is straightforward: pressing and holding the "+" key initiates the flashing of the start humidity value, allowing adjustment with the "+/-" keys. Similarly, holding the "-" key allows for the adjustment of the stop humidity value.
In addition to humidity control, the XH-M452 provides comprehensive temperature management. It supports both heating and cooling modes, automatically determining the appropriate operating mode based on the relationship between the "start temperature" and "stop temperature" settings. If the "start temperature" is set lower than the "stop temperature," the device will operate in heating mode. This means it will activate a heater when the temperature drops below the start temperature and deactivate it when the temperature reaches the stop temperature. Conversely, if the "start temperature" is set higher than the "stop temperature," the device will operate in cooling mode, activating a cooler when the temperature exceeds the start temperature and deactivating it when it falls to the stop temperature. This intelligent mode determination simplifies setup and ensures efficient temperature regulation.
Setting the temperature parameters is similar to humidity. To set the "start temperature," users long-press the "+" button for three seconds, causing the temperature value to flash. It can then be adjusted using the "+/-" keys. After five seconds of inactivity, the display automatically reverts to showing the current detection temperature. For the "stop temperature," a long press of the "-" button for three seconds initiates the flashing, allowing for adjustment with the "+/-" keys. This intuitive interface makes it easy for users to configure the device to meet their specific temperature control needs.
A key usage feature of the XH-M452 is its clear visual feedback. The device incorporates a digital display that shows the current temperature and humidity readings, along with indicator lights that signal when the relays for temperature and humidity control are active. These indicators, labeled "Indicator ON->Relay ON" and "Indicator OFF->Relay OFF," provide immediate visual confirmation of the device's operational status, allowing users to quickly ascertain if a connected load is currently being powered. This is particularly useful for troubleshooting or simply monitoring the system's performance.
The device also includes a practical maintenance feature: the ability to restore factory settings. In situations where settings may have become inadvertently misconfigured, or if a user wishes to revert to the default parameters, simultaneously long-pressing the temperature key and the humidity "+" button for three seconds will reset the device. Upon successful reset, the digital display will show "888888," confirming that the factory settings have been restored. This feature adds a layer of convenience, allowing users to easily recover from setup errors without complex procedures.
Another important aspect of the XH-M452's design is its robust wiring diagram, which clearly illustrates how to connect the device to both AC 220V loads and a DC 12V power supply. The diagram shows separate outputs for temperature and humidity control, allowing for independent management of different appliances. For instance, a heater or cooler can be connected to the temperature output, while a humidifier or dehumidifier can be connected to the humidity output. The clear labeling of "AC 220V for Load" and "DC 12V" for power input ensures that users can correctly wire the device, minimizing the risk of electrical issues. The sensor, which measures both temperature and humidity, is also clearly indicated, emphasizing its role in providing the necessary environmental data to the controller.
A crucial note for users regarding temperature settings is provided to prevent common operational issues. If, during the setup process, the "start temperature" and "stop temperature" values are accidentally set in reverse (e.g., start temperature higher than stop temperature when heating, or vice versa), the output indicator will not light up, and the connected load will not function. This serves as an important diagnostic cue. If the system is not responding as expected, users are advised to check if the set temperature values are inverted. This self-diagnostic capability helps users identify and correct configuration errors, ensuring the device operates as intended.
In summary, the XH-M452 is a comprehensive environmental control solution that combines ease of use with powerful functionality. Its ability to manage both temperature and humidity, intelligent mode determination, clear display and indicators, and convenient factory reset feature make it a reliable and user-friendly device for maintaining optimal environmental conditions in various settings.
General| Model | XH-M452 |
|---|---|
| Temperature Range | -50°C to 110°C |
| Type | Temperature Controller |
| Sensor | NTC 10K |
| Input Voltage | DC 12V |
| Output Voltage | DC 12V (same as input) |
| Sensor Type | NTC 10K |
| Display Type | Digital |
