Instrukcja obsługi Innovate LC-1

Innovate Różnorodny LC-1

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Document # 11-0053 11-0053 LC-1_Manual_1.9.doc

LC-1 Digital Air/Fuel Ratio (Lambda)

Sensor Controller Manual

Warning!

The Oxygen Sensor used in this device gets very hot in operation.

Do not touch the hot sensor. Do not let a hot sensor touch a

combustible surface. Do not use the sensor with or near flammable

liquids or gases. Failure to heed these warnings may result in severe

burns, explosions or fires.

When installed in the exhaust, the oxygen sensor MUST be

connected and operating with the LC-1 whenever the car is running.

An un-powered oxygen sensor will be quickly damaged when

exposed to hot exhaust gases.

- 2 -

1 Overview................................................................................................................................... 3

2 Mounting and Wiring the LC-1 ................................................................................................. 4

2.1 Indicator LED and Calibration button hookup: .................................................................. 5

2.2 Connecting the LC-1 to an ECU or data logger ................................................................ 6

2.3 Electrical Grounding Concerns..................................................................................... 6

2.4 Mounting the sensor using a Bung. .................................................................................. 6

2.5 How to fabricate a copper heat sink ................................................................................. 8

3 First Time Use......................................................................................................................... 8

4 Calibration ................................................................................................................................ 9

4.1 Free air calibration.......................................................................................................... 9

4.2 Sensor heater calibration............................................................................................... 9

4.3 Calibration Schedule .................................................................................................... 10

5 Remote display and recording of Lambda and/or AFR.......................................................... 10

5.1 Analog Lambda/AFR instrument..................................................................................... 10

5.2 Digital XD-16 Instrument................................................................................................. 11

5.3 Laptop recording of AFR or Lambda .............................................................................. 11

5.4 Multi channel AFR recording with multiple LC-1’s and/or LM-1...................................... 11

6 Programming the LC-1........................................................................................................... 12

6.1 Installing the LM Programmer Software ......................................................................... 12

6.2 Hooking up the LC-1 device to the computer ................................................................. 12

6.3 Resetting the calibration data ......................................................................................... 13

6.4 Updating the Firmware.................................................................................................... 13

6.5 Programming the analog outputs.................................................................................... 14

6.5.1 Advanced output programming................................................................................ 14

7 Tips, Tricks and Troubleshooting ........................................................................................... 16

7.1 General measurement requirements .............................................................................. 16

7.2 Vehicles with ‘smog-pumps’............................................................................................ 16

7.3 Measuring at the tail-pipe................................................................................................ 16

7.4 Single Cylinder Engines.................................................................................................. 16

7.5 Diesel Engines ................................................................................................................ 16

7.6 Reference cell or Pump cell circuit open or shorted errors............................................. 16

7.7 Sensor Timing Errors ...................................................................................................... 17

7.8 Analog Output tricks/hints ............................................................................................... 17

8 Advanced Topics.................................................................................................................... 17

8.1 Connecting the LC-1 to simulate a narrow band oxygen sensor.................................... 17

Appendix A: LC-1 Cable Pinouts.................................................................................................. 19

Appendix B: LED blinking codes .................................................................................................. 20

Appendix C: LC-1 Error Codes and Troubleshooting Tips........................................................... 21

Appendix D: Limited Warranty...................................................................................................... 22

Appendix E: Kit Contents.............................................................................................................. 23

Revision History............................................................................................................................. 24

- 3 -

1 Overview

The LC-1 is a stand-alone Wideband Controller used to measure the Air/Fuel Ratio (AFR) or

Lambda for an engine. For gasoline-driven engines, the theoretically optimal air fuel ratio is 14.7

pounds of air for every pound of fuel. At this ratio, theoretically, all available oxygen in the air

combines with all available fuel. This ratio is called the stoichiometric ratio. Stoichiometric for

different fuels are as follows:

Gasoline 14.7

LPG (Propane) 15.5

Methanol 6.4

Ethanol 9.0

CNG 17.2

Diesel 14.6

The measurement Lambda is the actual air fuel ratio over the stoichiometric ratio. A Lambda

measurement of “1” equates to the air fuel ratio of 14.7 (for gasoline engines). When Lambda is

less than 1 the engine runs “rich”, i.e., unburned fuel exists in the exhaust stream. If lambda is

greater than 1 the engine runs lean, i.e., free oxygen (02) is present in the exhaust. Depending on

the engine, maximum power is typically delivered when the engine runs slightly rich (for example

at lambda values of 0.8 to 0.9 for most engines). This instrument provides a means to measure

the actual air fuel ratio or lambda in the engine in operation directly from the exhaust. For this a

special wide-band oxygen sensor is used to measure the lambda value derived from the oxygen

content (or lack thereof) of the exhaust gases.

Specyfikacje produktu

Marka:	Innovate
Kategoria:	Różnorodny
Model:	LC-1

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