Pellet heating system for commercial and industrial applications
KWB Pelletfire PlusPowerful heating technology for demanding applications
- Commercial & hospitality
- 45–135 kW output
Reliable and economical heating
The KWB Pelletfire Plus provides efficient heat on a large scale. Whether for commercial businesses, housing providers or heat contracting companies, it offers high output and outstanding reliability. Cascade operation allows the system to be expanded flexibly, while the boilers can be installed back to back to save space. With an output range of 45 to 135 kW, it is ideally suited to multi-family homes and hotels.
Safe and efficient heating
Reliability and cost efficiency are crucial in heat contracting. The KWB Pelletfire Plus was developed specifically for these requirements. Its combustion system is based on proven power station technology and ensures a high level of operational reliability.
At the heart of the system is the KWB crawler burner, manufactured from high-alloy, self-cleaning cast components. It operates like a precise conveyor belt for the fuel, automatically adapts to the current output requirement and ensures efficient combustion without unburned residues. This prevents fuel from being wasted, while the boiler knows exactly when heat is required and when it is not.
Easy ash removal
Greater convenience with minimal effort: the optional two-part ash box with integrated fill level monitoring can be unlocked easily and removed using practical handles. The separate containers are particularly easy to handle and empty. Thanks to the clean and efficient combustion process, the ash box only needs to be emptied every one to three months, depending on the boiler size.
100% self-cleaning
The KWB Pelletfire Plus offers outstanding operational reliability and efficiency. The entire system cleans itself automatically during operation, including the heat exchanger, from which ash is removed automatically. Specially shaped turbulators ensure that the thermal energy in the flue gas is used effectively at all times, maintaining consistently high efficiency and convenient operation throughout the building.
cleanEfficiency 2.0 technology
The KWB Pelletfire Plus carries the cleanEfficiency 2.0 label. This represents particularly low emissions, high efficiency and economical operation, as well as the optimised interaction of the system’s design and control components.
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Technical benefits
The KWB Pelletfire Plus pellet heating system can be separated into several modules, allowing it to be installed easily in confined spaces with ceiling heights from two metres. This also makes it an ideal central heating system for renovation projects.
One example is the installation of a four-boiler cascade with a bank of buffer storage tanks in a historic palace complex in Langenselbold near Frankfurt am Main, Germany. The complete system could be installed without difficulty.
The optional flue gas recirculation system is installed at the boiler’s flue gas connection. It diverts part of the cooled flue gas produced during combustion and returns it to the combustion chamber. This helps protect the system against wear during continuous operation and under high loads. It also cools the firebed on the grate, reducing fine dust emissions.
The KWB dust filter operates according to the principle of electrostatic particle separation and removes fine dust from the flue gas. The separated filter dust is collected in a generously sized ash drawer, which can be accessed conveniently and cleanly from the front. With the KWB dust filter E Plus, fluctuating fuel qualities no longer present a challenge in terms of fine dust emissions.
With Clee, your heating system knows the weather forecast
The intelligent KWB Clee energy management system connects the energy flows and even takes weather conditions such as rain and sunshine into account when planning system operation. This reduces your energy costs and makes your energy system even more sustainable.
KWB Pelletfire Plus output ratings
The KWB Pelletfire Plus pellet heating system is available in a broad range of outputs from 45 to 135 kW. This allows it to be matched flexibly to the heat requirements of larger single- and multi-family homes, commercial buildings and industrial systems.
- 45–75 kW: Ideally suited to larger residential buildings or smaller commercial applications.
- 95–135 kW: Suitable for large-scale systems, commercial businesses and industrial buildings requiring a high and consistent heating output.
All technical details and specifications can be found in the technical data.
Easy and flexible operation
The KWB Pelletfire Plus is equipped with the KWB Comfort 4 control system, which can be operated using either the proven control dial or the modern touchscreen display. The control system can be expanded flexibly to incorporate different room control units and manage additional heating circuits.
An intelligent boiler sequence control ensures highly efficient operation in multi-boiler systems by modulating the output according to demand. Individual boilers can be monitored and maintained remotely using the KWB ComfortOnline platform. Remote access to the entire cascade is also available as an option.
KWB Pelletfire Plus in detail
KWB Pelletfire Plus
Easy installation
The integrated return flow temperature boost is supplied ready for connection. Its hydraulics are optimised and matched to the system.
Easy and flexible operation
The KWB Comfort 4 control system can be operated using the proven control dial or the touchscreen display, including remotely. The dial is particularly practical when wearing work gloves. The control unit is positioned so that it is not exposed to heat, even when the combustion chamber door is open.
No cleaning required
The system is fully self-cleaning during operation between service intervals.
Low emissions
Optimised flue gas routing and high combustion temperatures in the flow-optimised silicon carbide combustion chamber ensure low emissions.
Robust combustion system
The robust KWB crawler burner is manufactured to industrial standards. Its moving grate handles varying fuel qualities with ease, helping to minimise fuel costs.
Safe operation
The robust seven-chamber cellular wheel sluice with a deep filling chamber provides burn-back protection, conveys and meters the fuel and maximises the operational reliability of the system.
Convenient ash removal
The ash container features integrated fill level monitoring. In the convenience version, it is divided into two sections, making it easier to handle and empty.
KWB Pelletfire Plus
Easy installation
The integrated return flow temperature boost is supplied ready for connection. Its hydraulics are optimised and matched to the system.
Easy and flexible operation
The KWB Comfort 4 control system can be operated using the proven control dial or the touchscreen display, including remotely. The dial is particularly practical when wearing work gloves. The control unit is positioned so that it is not exposed to heat, even when the combustion chamber door is open.
No cleaning required
The system is fully self-cleaning during operation between service intervals.
Low emissions
Optimised flue gas routing and high combustion temperatures in the flow-optimised silicon carbide combustion chamber ensure low emissions.
Robust combustion system
The robust KWB crawler burner is manufactured to industrial standards. Its moving grate handles varying fuel qualities with ease, helping to minimise fuel costs.
Safe operation
The robust seven-chamber cellular wheel sluice with a deep filling chamber provides burn-back protection, conveys and meters the fuel and maximises the operational reliability of the system.
Convenient ash removal
The ash container features integrated fill level monitoring. In the convenience version, it is divided into two sections, making it easier to handle and empty.
Storage and conveyor systems for pellets
Our pellet storage systems and matching conveyor systems are particularly adaptable and can be tailored precisely to the available space. Whether the storage room is located directly beside the heating system, further away or outside the building, there is a suitable concept for every situation.
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