Emission Symbols 5w1c3e

Tier 4 Engine Emission Symbols Diesel Particulate Filter – Diesel Exhaust Fluid – Fuel Sulfur Operator Interface

Prepared by an AEM Ad-Hoc Committee March 12, 2012

Tier 4 Engine Emission Symbols, Diesel Particulate Filter – Diesel Exhaust Fluid – Operator Interface

This white paper describes the findings of an industry-wide group, convened by AEM. The purpose of this group was to identify a common set of symbols for use in off-road Tier 4 applications, in particular, symbols relative to Tier 4 aftertreatment. The intent is to provide common symbols for customers and end-s so that regardless of the OEM machine, the customer will interface with consistent symbols. This document provides general guidance on symbols used on operator displays and operator controls. Manufacturers should consider this information as a part of the design and development of their Tier 4 applications. Manufacturers are free to elaborate or enhance the strategies outlined, but it is recommended that manufacturers limit variations to promote standardization across multiple product sectors. The symbols described herein may be obtained by ing an ISO document provider.

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Tier 4 Engine Emission Symbols, Diesel Particulate Filter – Diesel Exhaust Fluid – Operator Interface

Symbols Used on Operator Display Symbol and title

Symbol description

Additional information

Engine emissions system filter; diesel particulate filter; diesel particulate filter, regeneration

To identify the diesel particulate filter (filter for the engine emissions system). To identify the location of the diesel particulate filter. To indicate the operational status (degree of soot loading) of the diesel particulate filter. To indicate that the diesel particulate filter is in need of regeneration. To identify the control that requests or starts an active regeneration of the diesel particulate filter.

ISO 7000-2433.

Engine emissions system temperature; diesel particulate filter, regeneration underway

To indicate that the engine emissions system temperature may be high or falls outside of specified parameters. To indicate that active regeneration of the emission system (diesel particulate filter) is underway and elevated emissions system temperatures are possible; engine operations can be affected.

Option A is ISO 7000-2844A as ed by TC 22/SC 13 for road vehicles. Option B is ISO 7000-2844B as ed by TC 127/SC 3 for earth-moving machinery.

Option A

Option B

Either Option A or Option B can be used. The choice should be determined by which method of representing temperature best fits with the manufacturer’s strategy. The symbol element for engine emissions system (see below) is ISO 7000-2944.

If a manufacturer uses a Graphical Interface (GUI) or other multi-function electronic display, the following strategy should be used: •

Lowest state requiring regeneration: symbol for "engine emissions filter" (ISO 7000-2433).

•

Progressively worsening states with greater need for regeneration: symbol for "engine emissions filter" (ISO 7000-2433) in combination with an operator alert symbol consistent with the manufacturer's operator alert strategy.

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Tier 4 Engine Emission Symbols, Diesel Particulate Filter – Diesel Exhaust Fluid – Operator Interface

Symbols Used on Operator Display Symbol and title Diesel exhaust fluid (DEF)

Engine emissions system, failure or malfunction

Option A

Symbol description

Additional information

To identify the fluid used to reduce emissions from operation of the diesel engine by means of a selective catalytic reaction. To identify the container or fill point for diesel exhaust fluid. To identify the display that provides information about the quantity of diesel exhaust fluid in the tank.

ISO 7000-2946.

To indicate that the engine emissions system has failed or falls outside of specified operating parameters.

Option A is ISO 7000-2596 as ed by TC 22/SC 13 for road vehicles. Option B is an application of ISO 7000-2596 using ISO 7000-1603B as the "failure" exclamation mark.

[Note: The same symbol appears in the section "Symbol Used on Containers or Fill Points".]

Option B

Escalating warnings, required to meet emission regulation requirements to alert operators of critical DEF levels or quality, should be implemented according to the manufacturer’s existing warning strategies.

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Tier 4 Engine Emission Symbols, Diesel Particulate Filter – Diesel Exhaust Fluid – Operator Interface

Symbols Used on Operator Control Symbol and title

Symbol description

Additional information

Engine emission filter, active regeneration

To identify the control that starts active regeneration of the filter.

ISO 7000-2433.

Engine emission filter, active regeneration, disable

To identify the control that disables or prevents (inhibits) active regeneration of the engine emissions system filter.

ISO 7000-2947.

If a manufacturer uses a switch to start or to disable active regeneration, and the application has selective regeneration functions, the following recommended strategy should be used: To request or start regeneration.

Momentary switch position. Dwell time to start regeneration as determined by the manufacturer.

To allow regeneration according to criteria established by manufacturer.

Default switch position.

To disable or prevent regeneration.

Momentary or constant switch position as determined by the manufacturer.

It is recommended that the manufacturer, where appropriate, provides the operator with a method to determine if regeneration has been disabled.

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Tier 4 Engine Emission Symbols, Diesel Particulate Filter – Diesel Exhaust Fluid – Operator Interface

Symbol Used on Fluid Containers or Fill Points Symbol and title Diesel exhaust fluid (DEF)

Symbol description

Additional information

To identify the fluid used to reduce emissions from operation of the diesel engine by means of a selective catalytic reaction. To identify the container or fill point for diesel exhaust fluid. To identify the display that provides information about the quantity of diesel exhaust fluid in the tank.

ISO 7000-2946. [Note: The same symbol appears in the section "Symbol Used on Operator Display".]

If color is to be associated with the DEF fill point or cap, the color light to medium blue is recommended. (Blue Pantone #285 or RAL #5005) Some filling locations utilize magnetic sensors in the nozzle that interfaces with an adapter in the filler neck according to ISO 22241-4.

Designation of Fuel Sulfur—Label Located by Fuel Fill Point Label example

OR

Application description

Additional information

Equipment sold in the U.S. must be labeled near the fuel inlet with the text "ULTRA LOW SULFUR FUEL ONLY" as defined by 40 CFR § 1039.135. An example label is shown in the left-hand column. This required text may be used in conjunction with symbol ISO 70001541.

[Note: Low sulfur fuel is allowable for some categories of engines. See specific regulations.]

For equipment not sold in the US, it is recommended to use symbol ISO 7000-1541 along with an indication of sulfur content through the use of the wording "S≤XX mg/kg" where XX is the maximum sulfur content of the fuel for the specific market. Two example labels are shown in the left-hand column. This label should be located near the fuel inlet.

[Note: Low sulfur fuel is allowable for some categories of engines. See specific regulations.]

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