The 518 series central control box is designed for centralized management of thermostats and valve systems. It unifies wiring and scheduling, simplifies construction wiring, improves overall system operating efficiency, and facilitates later maintenance and troubleshooting. Wired and wireless board versions are available and can be selected flexibly according to actual construction conditions, meeting the stability needs of traditional wired solutions while also supporting convenient wireless deployment. Built-in water pump linkage and wall-hung boiler linkage functions improve overall heating system coordination and energy efficiency.
Product Description
The 518 series central control box is designed for centralized management of thermostats and valve systems. It unifies wiring and scheduling, simplifies construction wiring, improves overall system operating efficiency, and facilitates later maintenance and troubleshooting. Wired and wireless board versions are available and can be selected flexibly according to actual construction conditions, meeting the stability needs of traditional wired solutions while also supporting convenient wireless deployment. Built-in water pump linkage and wall-hung boiler linkage functions improve overall heating system coordination and energy efficiency.
Product Parameters
| Operating Voltage | AC220V |
| Communication Method | None |
| Control Zones | 6 |
| Control Mode | Normally Open or Normally Closed |
| Water Pump Linkage | 1, 5A, Delay 120S |
| Wall-Hung Boiler Linkage | 1, Passive |
Model Function Parameters
| Model | Load | Function |
|---|---|---|
| 518-3A | / | 6 Wiring Terminals + Water Pump Linkage + Wall-Hung Boiler Linkage |
| 518-AL-PL | / | 6 Wiring Terminals + Water Pump Linkage + Wall-Hung Boiler Linkage |
| 518-RF-AL-PL-RS | / | 8 Wiring Terminals + Water Pump Linkage + Wall-Hung Boiler Linkage + RS485 Communication |
| 518-RF-AL-PL-W | / |
We specialize in smart thermostats, PCBA manufacturing, energy storage products, inverter power supplies, variable-frequency power supplies and customized electronic control solutions.
Yes. We offer comprehensive OEM and ODM services, including PCB design, hardware and software development, private labeling, custom packaging and product customization.
Our products are widely used in HVAC systems, EV charging, renewable energy, industrial automation, smart buildings, consumer electronics and power management applications.
Our products comply with international quality and safety standards, including CE, RoHS, LVD and EMC certifications, depending on the product model.
Absolutely. Our engineering team provides professional product selection, technical consultation and customized recommendations based on your project requirements.