Combustion heaters

Combustion heaters shall meet the requirements of,,, and the
(a) the switch may be installed outside the driver's cab;
(b) the device shall be switched off from outside the MEMU compartment; and
(c) it is not necessary to prove that the heat exchanger is resistant to the reduced afterrunning

No fuel tanks, power sources, combustion air or heating air intakes as well as exhaust tube outlets
required for the operation of the combustion heater shall be installed in the load compartments
containing tanks. It shall be ensured that the heating air outlet cannot be blocked. The temperature to
which any equipment is heated shall not exceed 50 ºC. Heating devices installed inside the
compartments shall be designed so as to prevent the ignition of any explosive atmosphere under
operating conditions.


Additional safety requirements

MEMUs shall be equipped with automatic fire extinguisher systems for the engine compartment.

Protection of the load by metal thermal shields against tyre fire shall be provided.

Additional security requirements

Process equipment and special compartments in MEMUs shall be fitted with locks.

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