# Commission Directive 2004/78/C of 29 April 2004 amending Directive 2001/56/EC of the European Parliament and of the Council relating to heating systems for motor vehicles and their trailers and Council Directive 70/156/EEC for the purposes of adapting to technical progress (Text with EEA relevance), Part B

Extent: E+W+S+N.I.

Annex VIII is replaced by the following:
"ANNEX VIII
SAFETY REQUIRMENTS FOR LPG COMBUSTION HEATERS AND LPG HEATING SYSTEMS
1.
LPG HEATING SYSTEMS FOR ROAD USE
1.1.
If an LPG heating system in a motor vehicle can also be used when the vehicle is in motion, the LPG combustion heater and its supply system shall comply with the following requirements:
1.1.1.
The LPG combustion heater shall comply with the requirements of the harmonised standard on specifications for dedicated LPG appliances - Room sealed LPG space heating equipment for installation in vehicles and boats (EN 624:2000).
1.1.2.
In cases of a permanently installed LPG container all components of the system that are in contact with LPG in the liquid phase (all components from the filling unit to the vaporiser/pressure regulator) and the associated liquid phase installation shall comply with the technical requirements of UN/ECE Regulation No. 67-01, Part I and II and the Annexes 3 to 10, 13 and 15 to 17.
1.1.3
The gaseous phase installation of the LPG heating system in a vehicle shall comply with the requirements of the harmonised standard on specifications for the Installation of LPG systems for habitation purposes in leisure accommodation vehicles and in other road vehicles (EN 1949:2002).
1.1.4
The LPG supply system shall be so designed that the LPG is supplied with the required pressure and in the correct phase for the installed LPG combustion heater. It is permitted to withdraw LPG from the permanently installed LPG container in either gaseous or liquid phase.
1.1.5
The liquid outlet of the permanently installed LPG container to supply LPG to the heater shall be provided with a remotely controlled service valve with excess flow valve as required in paragraph 17.6.1.1 of UN/ECE Regulation No. 67-01. The remotely controlled service valve with excess flow valve shall be controlled such that it is automatically closed within five seconds of the vehicle engine stopping, irrespective of the position of the ignition switch. If within these five seconds the on-switch of the heater or LPG supply system is activated, the heating system may stay in operation. The heating can always be restarted.
1.1.6
If the LPG is supplied in the gaseous phase from the permanently installed LPG container or separate portable LPG cylinder(s), appropriate provisions shall be taken to ensure that
1.1.6.1
no liquid LPG can enter the pressure regulator or LPG combustion heater. A separator may be used and
1.1.6.2
no uncontrolled release due to an accident can occur. Means shall be provided to stop the flow of LPG by installing a device directly after a cylinder or container mounted regulator or if the regulator is mounted remote from the cylinder or container, a device shall be installed directly before the hose or pipe from the cylinder or container and an additional device shall be installed after the regulator.
1.1.7
If the LPG is supplied in liquid phase, the vaporiser and pressure-regulator unit shall be heated as appropriate by a suitable heat source.
1.1.8
In motor vehicles that use LPG in their propulsion system, the LPG combustion heater may be connected to the same permanently installed LPG container that supplies LPG to the engine, provided that the safety requirements of the propulsion system are met. If a separate LPG container is used for heating, this container shall be provided with its own filling unit.
2.
LPG HEATING SYSTEMS FOR STATIONARY USE ONLY
2.1.
The LPG-combustion heater and its supply system of an LPG heating system that is intended to be used only when the vehicle is not in motion, shall comply with the following requirements:
2.1.1.
Permanent labels shall be attached on the compartment where the portable LPG cylinders are stored and in close proximity to the control device for the heating system, giving instructions that the LPG heater shall not be in operation and that the valve of the portable LPG cylinder shall be closed when the vehicle is in motion.
2.1.2.
The LPG combustion heater shall comply with the requirements of section 1.1.1.
2.1.3.
The gaseous phase installation of the LPG heating system shall comply with the requirements of section 1.1.3.

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Source: https://www.legislation.gov.uk/eudr/2004/78/annex/part/B (the official version)
Page: https://openlegislation.uk/eu-directive-2004-78/annex/part-B
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.