Vitobloc 200

Viessmann CHPP
Vitobloc 200
Vitobloc 200

Vitobloc 200

CHP unit for operation with natural gas

  • Electrical output: 50 kW
  • Thermal output: 83 kW
  • Smooth running 4-cylinder 4-stroke gas engine
  • Economical power and heat generation

Vitobloc 200

The Vitobloc 200 Type EM‑50/81 is a medium‑output combined heat and power (CHP) unit designed for efficient on‑site generation of electricity and heat. It is ideal for commercial buildings, hotels, hospitals, industrial facilities, and district energy systems with a continuous heat demand.
By generating electricity and heat simultaneously, the Vitobloc 200 significantly improves overall fuel utilisation, reduces energy costs, and supports sustainable, decentralised energy concepts. The system is supplied ready‑to‑connect and factory tested, ensuring fast installation and reliable commissioning.

Vitobloc 200

Electrical Output

Provides 50 kW of electrical power, enabling effective self‑consumption and reduced reliance on grid electricity.

Thermal Output

Delivers 83 kW of thermal energy, suitable for space heating, domestic hot water preparation, or process heat applications.

Smooth‑Running 4‑Cylinder Gas Engine

The 4‑stroke, 4‑cylinder gas engine ensures stable, low‑vibration operation with reduced noise emissions.

Economical Generation of Power and Heat

Simultaneous production of electricity and heat maximises fuel efficiency and lowers overall energy costs.

Integrated CHP Control System

Centralised control manages:

Electricity generation
Heat recovery
Load‑dependent operation
System safety and fault monitoring

Remote Monitoring & Diagnostics

Web‑based monitoring enables:

Real‑time performance tracking
Fault alerts
Faster service response

Energy System Integration

Suitable for integration into:

building energy management systems
industrial energy systems
district heating networks

Optimised Self‑Consumption Strategy

Designed to prioritise on‑site use of generated electricity, maximising economic benefit.

Document Name Description Document Type Language Action
Technical Data Manual Vitobloc 200, Type EM-50/81, CHP unit - heat and power from natural gas, Electrical output 50 kW, Thermal output 83 kW PDF English Download
What size of heat demand is ideal for the EM‑50/81?

It is best suited for facilities with steady, medium‑level heat demand, ensuring long operating hours and high efficiency.

Can the Vitobloc 200 EM‑50/81 operate with renewable fuels?

Yes. The unit is suitable for bio natural gas, supporting renewable energy and decarbonisation strategies.

How does CHP improve energy efficiency compared to separate systems?

By using waste heat from electricity generation, CHP systems achieve much higher overall efficiency than separate boilers and power plants.

Is the system suitable for noise‑sensitive environments?

Yes. The smooth‑running 4‑cylinder engine ensures low noise and vibration levels, suitable for indoor installation.

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