How are multiple modules controlled?

How are multiple modules controlled?

How are multiple modules controlled?
Aurashu variable speed scroll air-cooled modular units adopt an advanced intelligent modular control architecture that allows multiple independent modules to operate as a highly coordinated, unified cooling and heating system. Each module is equipped with its own controller, sensors, and inverter-driven scroll compressor, while a centralized master controller or Building Management System (BMS) oversees overall system operation.

Master–Slave Intelligent Control

When several Aurashu modular units are connected, one module automatically acts as the master controller, while others function as slave modules. The master unit communicates with all connected modules via an industrial-grade communication protocol (such as Modbus or BACnet), ensuring real-time data exchange on temperature, pressure, load demand, operating status, and fault conditions. This structure guarantees stable coordination without relying on a single point of failure.

Dynamic Load Sharing & Staging Control

Aurashu’s control logic continuously analyzes system load requirements. Based on real-time demand, the system automatically:

Starts or stops modules in sequence

Adjusts inverter compressor speeds

Balances operating hours among modules

This intelligent staging ensures that the system always runs in the most energy-efficient configuration, especially under partial-load conditions. Instead of running all units at low efficiency, only the required number of modules operate, each at its optimal load range.

Redundancy & High Reliability

Thanks to the modular control strategy, the system maintains high operational reliability. If one module experiences a fault or requires maintenance, it is automatically isolated while the remaining modules continue operating. This redundancy is particularly valuable for hospitals, data centers, commercial complexes, and industrial facilities where uninterrupted cooling or heating is critical.

Integrated Variable Speed Control

Each Aurashu module features variable speed scroll compressors, allowing precise capacity modulation. The central controller coordinates compressor frequencies across modules, preventing frequent on/off cycling, reducing mechanical stress, and extending component lifespan while achieving stable indoor temperature control.

Centralized Monitoring & Remote Management

Aurashu modular systems support seamless integration with BMS platforms, enabling centralized monitoring, scheduling, alarm management, and energy analysis. Optional remote monitoring solutions allow facility managers and Aurashu technical teams to access system performance data, conduct diagnostics, and optimize operation remotely—reducing downtime and service costs.

Scalability & Future Expansion

The modular control system is designed for flexibility. Additional modules can be easily added later without complex reprogramming. The master controller automatically recognizes new units and incorporates them into the control logic, making Aurashu modular chillers ideal for projects with phased expansion plans.

Optimized Comfort & Energy Performance

By combining intelligent communication, load prediction algorithms, and inverter technology, Aurashu ensures precise temperature control, lower energy consumption, reduced noise levels, and improved overall system efficiency—helping customers meet sustainability goals and reduce lifecycle costs.