Stack ST8120 Manual de usuario
542034-002
ST8120 Rally Turbo
Display System
User’s Guide Addendum
STACK ST8120 Display System Preface
User Guide Addendum iii
Preface
Congratulations
Congratulations on choosing the Stack ST8120 Rally Turbo Display
System. This system will give you a wealth of information to enable you
to obtain the maximum safe performance from your vehicle.
Purpose of this addendum
In conjunction with the ST8100 UserÆs Guide, this addendum will help
you install and use the Stack ST8120 Display System. It explains how to
set up and configure the system for your vehicle.
Edition Notice
This edition is for all versions of the ST8120 Display System distributed
to customers world wide. The units of measurement used to illustrate
the use of the Display System in this edition are for the UK version.
Units used in the various versions are shown in the following table.
Parameter Type UK Version US Version EC Version
Boost psi/Bar psi/Bar psi/Bar
Temperature Degrees C Degrees F Degrees C
Pressure psi psi Bar
Stack is a registered trademark of Stack Limited.
Information in this publication is subject to change without notice and does not
represent a commitment on the part of Stack Limited. No responsibility is accepted for
error or omission.
Copyright 2000 Stack Limited
United Kingdom Telephone Numbers:
Sales: 01869 240404.
Technical Support: 01869 240420
Fax: 01869 245500
STACK ST8120 Display System Error! Main Document Only.Contents
iv User Guide Addendum
Contents
PREFACE III
CONTENTS IV
Chapter 1. Introducing the Display System 1
How to Use this Manual 2
Chapter 2. Getting Started 3
Wiring Harness 4
Chapter 3. Operating the Display System 5
Changing the display layers 5
Peak Values (Tell Tales) 8
Alarms 9
Lap times 9
Chapter 4. Configuring the Display System 10
Configuration mode 10
Leaving configuration mode 13
Chapter 5. Installing the Display System 14
Boost Pressure sensor 14
Air Temperature sensor 14
Chapter 6. Troubleshooting 15
Appendix B. Wiring Harness Schematic Diagram 16
Index 17
STACK ST8120 Display System Chapter 1. Introducing the Display System
User Guide Addendum 1
Chapter 1. Introducing the Display System
The Stack ST8120 Display System monitors and displays a range of
values, known as performance parameters, needed for effective car and
driver management in most competitive situations.
The system combines an analog tachometer with a digital display for the
following performance parameters:
1. Engine speed (RPM)
2. Boost pressure
3. Intake Air temperature
4. Oil pressure
5. Oil temperature
6. Water temperature
7. Fuel pressure
8. Battery voltage
9. Lap times (optional)
You can view the peak values (tell-tales) for all the parameters.
The system provides a range of warning messages based on preset
alarm values for the following performance parameters:
1. Oil pressure
2. Oil temperature
3. Boost pressure
4. Intake Air temperature
5. Fuel pressure
6. Water temperature
7. Battery voltage
You can enable or disable the warning system for each parameter
individually.
Chapter 1. Introducing the Display System STACK ST8120 Display System
2User Guide Addendum
You can redefine the preset alarm value for each parameter to a value
that is more suitable for your vehicle.
The system provides a gear shift warning light that is based on an RPM
value that you define for your vehicle.
How to Use this Manual
Stack recommends that you unpack and connect the components in the
system before you install it in your vehicle. This will enable you to
familiarize yourself with operating the display and configuring it for the
vehicle in which you intend to install it.
Please use the ST8100 UserÆs Guide to install the system, referring to
the corresponding section in this addendum to see whether there are
special requirements for the ST8120 system.
STACK ST8120 Display System Chapter 2. Getting Started
User Guide Addendum 3
Chapter 2. Getting Started
The sensors supplied with the ST8120 system differ from those supplied
for the ST8100.
Standard ST8120 Display System Items
The ST8120 Display System is supplied with the following standard
components:
Quantity Description
1Display Module (ST867 ) with 2 mounting brackets
1Wiring Harness (ST872)
1Oil Pressure Sensor (ST744, ST745)
1Fuel Pressure Sensor (ST741, ST742, ST744, ST745,
ST746)
2Temperature Sensors (ST762, ST764)
1Boost Sensor (ST453)
1Air Temperature Sensor (ST765)
11.4m Extender Cable for Boost Sensors (918021)
4Switches (supplied with and to be connected to the wiring
harness)
Optional ST8120 Display System Items
The ST8120 Display System can be used with the following optional
components:
Quantity Description
1RPM Sensor (ST696 Opto Isolator or ST697 H.T. Pick-up)
1Infra-red Lap Time Receiver (ST543)
1Infra-red Lap Time Beacon (ST544)
1External Gear Shift Warning Lamp
1External Alarm Warning Lamp
Chapter 2. Getting Started STACK ST8120 Display System
4User Guide Addendum
Wiring Harness
The ST8120 harness is slightly different to that of the ST8100.
Labels on short cables Connection To
S1 to S4 Switches 1 to 4
WS Boost sensor
LAP Lap timing sensor
SL Gear shift warning light
AL Alarm warning light
NET Data logging expansion pack
Labels on Long Cables: Connection To
ES Engine Speed (RPM)
OT Oil temperature sensor
WT Water temperature sensor
OP Oil pressure sensor
FFuel pressure sensor
AIntake Air temperature sensor
B + Battery Positive
B - Battery Negative (Earth)
STACK ST8120 Display System Chapter 3. Operating the Display System
User Guide Addendum 5
Chapter 3. Operating the Display System
The operation of the ST8120 is basically the same as that of the
ST8100. This section highlights any differences.
Changing the display layers
The ST8120 has four display layers. These differ significantly from
those of the ST8100 and their layouts are shown below.
Each of the display layers can be displayed in turn by pressing switch 3.
Press switch 3 when display layer 4 in order to return to display layer 1.
ðThe format of the values in these displays will vary for systems
supplied outside the UK, as the parameters are displayed in
different units.
Display Layer 1
Display layer 1 shows:
•Water Temperature (WATER)
•Boost Pressure (BOOST)
Note: This illustration shows the Boost Pressure in Bar. In
all units this can also be shown in either Bar or psi - refer
to
Chapter 3. Operating the Display System STACK ST8120 Display System
6User Guide Addendum
Chapter 4. Configuring the Display System.
The number displayed is Gauge Pressure, where
atmospheric is 0, boost shows as positive and vacuum as
negative numbers. Due to atmospheric variations, the
display may not show exactly 0.00 when the engine is
stationary.
•Oil Temperature (OIL T)
•Oil Pressure (OIL P)
Press Switch 3 to see display layer 2.
Display Layer 2
Display layer 2 shows:
•Water Temperature (WATER)
•Boost Pressure (BOOST)
•Intake Air Temperature (AIR T)
•Fuel Pressure (FUELP)
Note: When a low-range fuel pressure sensor (2Bar /
30psi) is fitted, the pressure is displayed as 0.1 PSI (US
and UK) and as 0.01 Bar (EC)
Press Switch 3 to change display to layer 3
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