FIELD: machine building.
SUBSTANCE: invention relates to passenger rail vehicles. In the method, the heating system for heating the passenger compartment (1) of a rail vehicle comprises fuel-operated heating device (2) which is designed to heat hydraulic circuit (4), the thermal energy of which can be introduced into the passenger compartment and liquid-cooled internal combustion engine (3) by internal heat exchanger (5). Hydraulic circuit (4) flows through liquid-cooled internal combustion engine (3). Fan (7) causes air stream (8) through heat exchanger (5).
EFFECT: invention increases the duration of operation of the heating system which is not limited by the capacity of the battery.
9 cl, 2 dwg
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