Heaters

«Spheros» fluid heaters combine the newest technologies, verified over a long time, providing comfort for drivers and passengers and maximum reliability and efficiency. Considerable proof is the fact that «Spheros» heaters are installed in more than 150,000 buses worldwide.

 

In buses, trucks, and commercial cars, construction engineering and engineering of special-purpose «Spheros» heaters are used to restart the warming up of an engine to operational temperature and heat the driver's cab and passenger compartment of means of transport.

 

«Spheros» heaters – it is a trouble-free starting of a motor even under the conditions of bitter frost, which considerably reduces wear of connecting rod-piston group, fuel consumption, and consumable materials, decreases the total load to the accumulator and loss of time not only for warming up but also for motor repair, what is inevitably at its constant cold starting.

«Spheros» heaters operate independently of a vehicle motor—both before starting (e.g., at a stop) and during work. They have their own fuel supply system, from a standard or additional fuel tank.

 

«Spheros» heaters are compact, so they can be built into even low-floor buses.

 

A control unit automatically controls a heater's operation. Depending on the temperature, it switches to the modes of whole or partial load or pause.

The use of the most up-to-date technology, high quality of production, and the presence of some control systems secure maximum reliability and the safety of «Spheros» heaters' operation.

 

Due to their exceptionally low fuel consumption, insignificant emission of noxious substances, and practically noiseless operation, «Spheros» heaters are in the environmentally safe category.

 

■ DBW series

DBW series fluid heaters are deservedly popular heaters used in vehicles equipped with diesel motors.

 

In DBW series fluid heaters, coolant is used as a heat carrier. The heater's fluid circuit is connected to the vehicle's cooling and heating systems. The heater is also connected to the electrical equipment and fuel-feeding systems and can work when fuel is fed from a separate tank.

 

■ THERMO E series

THERMO E series fluid heaters are the newest diesel heaters, capable of working on alternative types of fuel. With considerable reserves, THERMO E meets the requirements for the level of harmful substances that are released when exhausted.

 

Сonstructional features of THERMO E series heaters are:

- integrated control unit with moisture-protected joints, ensuring a more high level of reliability;

- improved heat exchanger, ensuring a high calorific power at a small fuel consumption;

- a low level of exhaust gas emission.

 

■ GBW series

Spheros is the only producer of heaters developed especially for gas-operated vehicles, particularly buses. In GBW series heaters, both compressed natural gas (CNG) and condensed gas (LPG) are used as fuel.

 

In GBW natural gas heaters, gas is used as a fuel, and the advantages of gas as a fuel are higher than in diesel heaters: a low level of exhaust gas emission and noiselessness of operation.

 

As diesel units, GBW heaters operate in accordance with the principle of heat exchange and are controlled by a thermostat. Heat, generated as a result of gas mixture combustion, warms liquid in the heat exchanger. A circulating pump runs warmed liquid through the heating system of a bus, providing warmth and comfort in a compartment and preheating a motor.

 

■ THERMO AC/DC series

THERMO AC/DC electric heaters are mainly intended for up-to-date ecological transport, such as buses with hybrid, electric, or hydrogen motors.

 

The heaters on a vehicle's board are battery-supplied and operate from an alternative current (AC) of 400 V and a direct current (DC) of 600 V.

 

THERMO AC/DC heaters can also be used for electric heating of hydro- and cooling systems of buses and means of transport indoors or for electric heating of trolleybuses. In such cases, the power supply of the heaters is carried out from an external electric power source.

 

Considerable advantages of THERMO AC/DC heaters are the complete absence of noxious substances, high energy efficiency (98%), ability to work at low temperatures, high level of reliability, and minimal maintenance cost during the whole service life.

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