HC3 + Spot EMS Pro + 3F DHW
Control of inverter and battery storage. Smart optimization of consumption, battery charging, water heating and sale of excess energy according to spot market price.



⚡🔌 HC3 + Spot EMS Pro + 3F TUV – Professional Energy Management
HC3 + Spot EMS Pro + 3F TUV is a cutting-edge system for comprehensive automation and optimization of a photovoltaic power plant. This assembly combines the uncompromising power of the Fibaro HC3 control unit, precise continuous water heating regulation via module EX.01 and advanced algorithms for spot market trading.
The result is a system that not only maximizes surpluses but also actively earns on electricity price fluctuations.
💼 Business Presentation
This assembly represents the highest level of energy management for households and companies using dynamic (spot) tariffs.
Spot EMS Pro actively plans consumption: during cheap or negative prices it charges batteries and heats water, while at high prices it sells electricity or maximizes self-sufficiency.
Thanks to the more powerful HC3 unit, the system is ready even for very extensive installations and offers maximum stability and response speed.
🧠 Master System and Communication
The heart of the entire system is the most powerful control unit on the market Fibaro Home Center 3 (HC3).
HC3 offers significantly higher computing power than the Lite version, greater antenna range and support for more complex scenarios.
Communication occurs via the Modbus TCP protocol, which ensures lightning-fast data exchange with the inverter and immediate reaction to price level changes or irradiance.
🧩 Software Platform (Package Contents)
The assembly includes complete software equipment for fully automated operation:
- QA Spot Pro: Complete spot market control. Includes comprehensive energy management optimization for base load and integrated devices. Intelligently plans battery charging, energy usage, appliance activation and sale of excess energy.
- QA Inverter: Provides comprehensive real-time energy flow monitoring and serves as a tool for active management of inverter operating modes and battery storage.
- QA EMS: Represents the central logic for dynamic energy balance management, which intelligently prioritizes PV surplus usage among individual consumers.
- QA Boiler: Provides intelligent water heating management using continuous regulation, while effectively cooperating with spot plans for heating during cheapest hours.
- Irradiance Forecast: QA PV Forecast (no annual fees) – can be extended with paid version Solcast (Recommended: data quality and availability guarantee).
- Optional: QA HDO and TUV Mode for additional comfort expansion.
⚙️ Key Features
Maximum Savings Through Market Data
- Spot Optimization: Automatic decision-making on electricity purchase and sale based on hourly prices.
- Continuous 3F Heating (0–100%): Three-phase regulation up to 6.6 kW via EX.01 module without negative effects on the grid.
- HC3 Performance: Professional hardware with large memory and power for future system expansion.
- Winter Battery Maintenance: Intelligently planned battery recharging from the grid during lowest-price periods to protect its capacity.
- Self-Sufficiency: Prioritization of own energy over grid purchases.
✨ Typical Uses
- Households on Spot Pricing: PV owners who want to maximize dynamic electricity price benefits.
- Large Boilers and Storage: Ideal for tanks requiring high power and precise energy dosing.
- Complex Smart Home: HC3 serves as the brain for controlling energy, lighting, shading and security (can be expanded with these functions).
🔌 Operating Conditions and Connectivity
- Inverter with Modbus TCP protocol support.
- Internet connection for downloading current spot prices and irradiance forecasts.
- Installation of control elements (EX-01 module and SSR) in the electrical cabinet.
🧰 Assembly Contents
- 1x Fibaro HC3 Control Unit
- 1x EX-01 Control Module
- 3x Semiconductor Relay (SSR)
- 2x Temperature Sensor
- Software Licenses (QA Spot Pro, QA Inverter, QA EMS, QA Boiler, QA PV Forecast)
⚠️ Note:
This assembly includes by default a regulator connected via Wi-Fi or LAN and an inverter with Modbus TCP communication. It also includes irradiance forecast (PV forecast).
Additional functions and modules can be purchased as extensions – see related products.
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