Regulation No 122 of the Economic Commission for Europe of the United Nations (UN/ECE) — Uniform technical prescriptions concerning the approval of vehicles of categories M, N and O with regard to their heating systems
1. SCOPE
2. DEFINITIONS: GENERAL
3. APPLICATION FOR APPROVAL
3.1. APPLICATION FOR APPROVAL OF A TYPE OF VEHICLE WITH REGARD TO ITS HEATING SYSTEM
3.2. APPLICATION FOR APPROVAL OF A TYPE OF HEATER
4. APPROVAL
5. PART I — APPROVAL OF A VEHICLE TYPE WITH REGARD TO ITS HEATING SYSTEM
5.1. Definition
5.2. Specifications
5.3. Vehicle Installation Requirements for Combustion Heaters
5.3.1. Scope
5.3.2. Positioning of combustion heater
5.3.3. Fuel supply
5.3.4. Exhaust system
5.3.5. Combustion air inlet
5.3.6. Heating air inlet
5.3.7. Heating air outlet
5.3.8. Automatic control of the heating system
6. PART II — APPROVAL OF A HEATING SYSTEM WITH REGARD TO ITS OPERATIONAL SAFETY
6.1. Definitions
6.2. Specifications: General
Heating system |
Vehicle category |
Annex 4 Air quality |
Annex 5 Temperature |
Annex 6 Exhaust |
Annex 8 LPG safety |
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Engine waste heat — water |
M |
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N |
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O |
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Engine waste heat — air See Note 1 |
M |
Yes |
Yes |
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N |
Yes |
Yes |
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O |
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Engine waste heat — oil |
M |
Yes |
Yes |
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N |
Yes |
Yes |
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O |
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Gaseous fuel heater — See Note 2 |
M |
Yes |
Yes |
Yes |
Yes |
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N |
Yes |
Yes |
Yes |
Yes |
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O |
Yes |
Yes |
Yes |
Yes |
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Liquid fuel heater — See Note 2 |
M |
Yes |
Yes |
Yes |
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N |
Yes |
Yes |
Yes |
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O |
Yes |
Yes |
Yes |
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6.3. Specifications: Combustion heaters
7. MODIFICATION AND EXTENSION OF APPROVAL OF A VEHICLE OR COMPONENT TYPE
8. CONFORMITY OF PRODUCTION
9. PENALTIES FOR NON-CONFORMITY OF PRODUCTION
10. PRODUCTION DEFINITELY DISCONTINUED
11. NAMES AND ADDRESSES OF TECHNICAL SERVICES CONDUCTING APPROVAL TESTS, AND ADMINISTRATIVE DEPARTMENTS
ANNEX 1
PART 1
Appendix 1
MODEL INFORMATION DOCUMENT
0. GENERAL
1. GENERAL CONSTRUCTION CHARACTERISTICS OF THE VEHICLE
2. POWER PLANT
3. BODYWORK
Appendix 2
MODEL INFORMATION DOCUMENT
1. GENERAL
2. COMBUSTION HEATER (IF ANY)
PART 2
Appendix 1
(Maximum format: A4 (210 mm × 297 mm))
COMMUNICATION
Appendix 2
(Maximum format: A4 (210 mm × 297 mm))
COMMUNICATION
ANNEX 2
ARRANGEMENTS OF APPROVAL MARKS
MODEL A
(See paragraph 4.5 of this Regulation)
MODEL B
(See paragraph 4.4 of this Regulation)
MODEL C
(See paragraph 4.6 of this Regulation)
ANNEX 3
REQUIREMENTS FOR WASTE HEATING SYSTEMS – AIR
ANNEX 4
TEST PROCEDURE FOR AIR QUALITY
ANNEX 5
TEST PROCEDURE FOR TEMPERATURE
ANNEX 6
TEST PROCEDURE FOR EXHAUST EMISSION OF COMBUSTION HEATERS
Parameter |
Heaters using gaseous fuels |
Heaters using liquid fuel |
CO |
0,1 % vol. |
0,1 % vol. |
NOx |
200 ppm |
200 ppm |
HC |
100 ppm |
100 ppm |
Bacharach reference unit(1) |
1 |
4 |