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Tractors and self-propelled machines for agriculture and forestry--Operator enclosure environment-Part 2: Heating, ventilation and air-conditioning test method and performance

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.org

ASAE  ASABE/ISO 14269-2:1997   September  2006

Keywords: Enclosure, Environment, Operator

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0.1 ASABE/ISO 14269-2:1997, Tractors and self-propelled machines for agriculture and forestry--Operator enclosure environment--Part 2: Heating, ventilation and air-conditioning test method and performance, is an adoption without modification of the identically titled ISO standard ISO 14269-2:1997, Tractors and self-propelled machines for agriculture and forestry--Operator enclosure environment--Part 2: Heating, ventilation and air-conditioning test method and performance.

This ISO standard is a derivative of SAE J1503, Performance Test for Air-Conditioned, Heated, and Ventilated Off-Road Self-Propelled Work Machines.

0.2 ASABE/ISO 14269-2 specifies a uniform test method for measuring the contribution to operator environmental temperature and humidity provided by an air-conditioning, heating and ventilation system operating in a specific ambient environment for tractors and self-propelled machines for agriculture and forestry. This method may not determine the complete climatic environment of the operator since this is also affected by heat load from sources other than those on the machine, for example solar heating. It is recommended that part 3 of ISO 14269 be used in conjunction with this part to determine more accurately the complete heat loading on the operator enclosure. Minimum performance levels for the machine's operator enclosure air conditioning, heating and ventilation systems are established in this part.

0.3 Six normative references are listed in ISO 14269-2:1997. These references have been reviewed and accepted as part of the adoption of ASABE/ISO 14269-2:1997.

0.4 This standard had been approved as an American National Standard by ANSI (American National Standard Institute).

1 Scope This part of ISO 14269 specifies a uniform test method for measuring the contribution to operator environmental temperature and humidity provided by an air-conditioning, heating and ventilation system operating in a specific ambient environment for tractors and self-propelled machines for agriculture and forestry. The method may not determine the complete climatic environment of the operator since this is also affected by heat load from sources other than those on the machine, for example solar heating. It is recommended that part 3 of ISO 14269 be used in conjunction with this part to determine more accurately the complete heat loading on the operator enclosure. Minimum performance levels for the machine's operator enclosure air conditioning, heating and ventilation systems are established in this part.

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