Diesel boilers and their varieties


In private households, autonomous heating is an integral element of the heat supply system. When choosing heating equipment, owners take into account the simplicity and efficiency of use. Equipment manufacturers offer a wide range of models, among which liquid fuel units — diesel boilers are especially popular.

Types of installations, design features

In the absence of connecting the house to the gas main and the need to organize heating of non-residential premises, the use of a diesel boiler will be an ideal option for solving the heating problem.

Functionally, diesel units are similar to gas plants, the key difference lies in the type of fuel used and in the burner.

By the number of working circuits, single- and double-circuit devices are distinguished. The first group is equipped with one heat exchanger, used for autonomous heating. The design does not involve the removal of hot water from the system.

The main advantages of single-circuit models:

  • Smaller dimensions and price in comparison with a two-circuit model with similar parameters.
  • In case of emergency, only one heat exchanger will need to be replaced.

Dual-circuit models on diesel fuel are capable of simultaneously performing two functions. The units are equipped with two heat exchangers, one of which, when heated, transfers heat to the heating system, and the second provides water heating for hot water supply. Cold water is supplied from the central water supply, heated and consumed during consumption. Boilers of this type are called flow-through. Accumulative models are equipped with a built-in boiler, which stores a supply of heated water.

The main advantages are that there is no need to spend money and time on the purchase of equipment for heating water. Compared to a single-circuit unit and an additional boiler, the double-circuit model has more compact dimensions.

The type of burner and power make it possible to divide diesel boilers into one-, two-stage models, as well as units with automatic control.

In installations with a single-stage burner, there is no possibility of adjusting the power — work is carried out at the limit values. The price of such a device is lower, but during operation it consumes a lot of fuel.

In two-stage models, the power has two levels of adjustment. When the maximum temperature is reached, the boiler switches to economy mode, maintains heat in the coolant. When the temperature reaches the minimum, the burner switches back to maximum operation.

Equipment equipped with an automatic control system is operated within the established temperature limits. The user sets the desired temperature by pressing a button on the control panel. All work processes, the choice of power is under the control of electronics. In case of a long absence, a standby thermal mode is set to maintain the set minimum temperature in the heat exchanger.


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