1. Giới thiệu
The LILYTECH ZL-7918A is an advanced intelligent temperature and humidity controller designed for precise environmental management. It offers stable and reliable performance, making it ideal for applications such as incubators, climate chambers, and warehouses. This manual provides comprehensive instructions for the installation, operation, and maintenance of your ZL-7918A controller.

Figure 1: LILYTECH ZL-7918A controller with connected temperature and humidity sensors, showing the main unit and external probes.
2. Các tính năng chính
The ZL-7918A controller is equipped with a range of features to ensure optimal environmental control:
- Kiểm soát nhiệt độ: Precise management of heating elements.
- Kiểm soát độ ẩm: Accurate regulation of humidity levels.
- Kiểm soát ánh sáng: Manages illumination cycles.
- Sưởi ấm phụ trợ: Supports an additional heating output.
- Egg Turning Control: Configurable periods and durations for automatic egg turning (left and right).
- Timing Ventilation Control: Schedules ventilation cycles.
- Kiểm soát báo động: Alerts for deviations from set parameters.
- Hiệu chuẩn nhiệt độ và độ ẩm: Allows for sensor calibration to maintain accuracy.
- Hatching Day Display: Tracks and displays the number of hatching days (up to 99 days).
3. Thiết lập và Cài đặt
3.1 Kích thước thiết bị và lắp đặt
The ZL-7918A controller has a device size of 160x80x95 mm. The recommended installation drilling size for mounting is 151.5x76.5 mm.
3.2 Hướng dẫn đấu dây
Proper wiring is crucial for the safe and correct operation of the controller. Refer to the wiring diagram below for connections. Ensure all connections are secure and follow local electrical codes.

Hình 2: Phía sau view of the ZL-7918A controller, displaying the terminal block for electrical connections.

Figure 3: Detailed wiring diagram for the ZL-7918A controller, illustrating connections for power supply, sensors, and output loads.
Nguồn điện: Connect AC100~240V 50/60Hz to terminals L and N (13 and 14).
Cảm biến:
- Cảm biến độ ẩm: Connect the Red, Yellow, Black, and Orange wires to terminals 1, 2, 3, and 4 respectively.
- Cảm biến nhiệt độ: Kết nối với các thiết bị đầu cuối số 5 và 6.

Figure 4: ZL-SHr05A Humidity Sensor, showing its compact design and connection points. This sensor is designed for accurate humidity measurement within a range of 0-80% RH.
Kiểm soát đầu ra: The controller provides 7 output controls. Ensure the load for heaters does not exceed 1500W, illumination does not exceed 100W, and humidity, fan, and egg turning outputs do not exceed 1A/250Vac.
- Quạt: Terminals 15 (COM) and 16.
- Egg Turning Left: Terminals 15 (COM) and 17.
- Egg Turning Right: Terminals 15 (COM) and 18.
- Độ ẩm: Terminals 15 (COM) and 19.
- Illumination (Lamp): Terminals 15 (COM) and 20.
- Auxiliary Heater (HEAT2): Terminals 21 and 22.
- Main Heater (HEAT1): Terminals 23 and 24.
4. Hoạt động
4.1 Hiển thị trênview

Hình 5: Mặt trước view of the ZL-7918A controller, highlighting the digital display and control buttons for setting parameters.
The controller features a clear digital display showing current temperature (PV TEMP), set temperature (SV TEMP), current humidity (PV WET%), and set humidity (SV WET%). Indicator lights show the status of various outputs (FAN, HEAT1, HEAT2, UP, DOWN, WET, ALARM, L/R for egg turning).
4.2 Cài đặt thông số
Use the "Set" button to enter the parameter setting mode and the arrow keys (Up/Down) to navigate and adjust values. The "Enter" button confirms selections.
- Phạm vi cài đặt nhiệt độ: 1~65℃
- Phạm vi cài đặt độ ẩm: 10~80% RH
- Egg-Turning Control:
- Period: 1~999 minutes
- Turning Time: 0~999 seconds
- Turning Times: 0~999 times
- Kiểm soát thông gió:
- Period: 1~999 minutes
- Ventilating Time: 0~999 seconds
- Kiểm soát độ sáng:
- Period: 1~999 minutes
- Illuminating Time: 0~999 seconds
Refer to the detailed programming guide (not included in this general manual) for specific parameter codes and advanced settings.
5. Bảo trì
To ensure the longevity and accuracy of your ZL-7918A controller, follow these maintenance guidelines:
- Vệ sinh: Regularly wipe the controller's surface with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Chăm sóc cảm biến: Keep the temperature and humidity sensors clean and free from dust or debris. Avoid exposing sensors to extreme physical shock or moisture beyond their operating limits.
- Kết nối: Kiểm tra định kỳ tất cả các kết nối dây điện để đảm bảo chúng an toàn và không bị ăn mòn.
- Sự định cỡ: If accuracy issues are suspected, perform temperature and humidity calibration as per the advanced settings guide.
KHAI THÁC. Xử lý sự cố
This section addresses common issues you might encounter with your ZL-7918A controller. For problems not listed here, please contact customer support.
| Vấn đề | Nguyên nhân có thể | Giải pháp |
|---|---|---|
| Bộ điều khiển không bật nguồn. | Không có nguồn điện; đấu dây sai. | Check power source (AC100~240V). Verify L and N wiring connections. |
| Nhiệt độ/độ ẩm đo được không chính xác. | Dirty or faulty sensor; need for calibration. | Clean sensors. Perform temperature and humidity calibration. Replace sensor if faulty. |
| Output (e.g., heater, fan) not activating. | Incorrect settings; faulty wiring; overloaded output. | Check set parameters. Verify output wiring. Ensure load does not exceed specified limits (e.g., heaters ≤ 1500W). |
| Alarm constantly active. | Parameters outside set limits; alarm threshold too narrow. | Adjust set temperature/humidity or alarm thresholds. Ensure environmental conditions are within desired range. |
7. Thông số kỹ thuật
| Tham số | Giá trị |
|---|---|
| Nguồn điện | AC100~240V 50/60Hz |
| Cảm biến nhiệt độ | 1 (L=2M) |
| Độ ẩm Sensor | 1 (L=2M) |
| Phạm vi cài đặt độ ẩm | 10~80% RH |
| Phạm vi cài đặt nhiệt độ | 1~65℃ |
| Phạm vi hiển thị độ ẩm | 0~99% RH |
| Phạm vi hiển thị nhiệt độ | -20~80℃ |
| Humidity Measuring Accuracy | ±3% (under temperature 20~60℃) |
| Đo nhiệt độ chính xác | ±1% |
| Kiểm soát đầu ra | 7 outputs (heater, aux-heater, fan, egg left-turning, egg right-turning, humidity, illumination) |
| Heater Output Load | ≤ 1500W |
| Illumination Output Load | ≤ 100W |
| Humidity, Fan, Egg Turning Output Load | ≤ 1A/250Vac |
| Hatching Day Record | Tối đa 99 ngày |
| Môi trường hoạt động | -10~45℃, <90%RH without dew |
| Kích thước thiết bị | 160x80x95mm |
| Installation Drilling Size | 151.5x76.5mm |
| Vật liệu | Nhựa |
| Kiểu hiển thị | LCD hoặc LED |
8. Thông tin bảo hành
LILYTECH products are manufactured to high quality standards. For specific warranty terms and conditions, please refer to the warranty card included with your product or contact LILYTECH customer support directly. Keep your purchase receipt as proof of purchase for any warranty claims.
9. Hỗ trợ khách hàng
If you require further assistance or have questions regarding your ZL-7918A controller, please contact LILYTECH customer support. Contact details can typically be found on the product packaging or the official LILYTECH webđịa điểm.
For technical inquiries, please have your product model (ZL-7918A) and a detailed description of the issue ready.





