TeeJet Technologies 844E Manuel utilisateur
844E
SPRAYER CONTROL
Installation, Programming, and Operating Manual
iii
844ESprayerCrontrol
98-70006 R3
TableofContents
INTRODUCTION 2
MOUNTING SPRAYER COMPONENTS 3
Pressure Regulator in Bypass Mode...................................................................................... 3
Pressure Regulator in Throttling Mode ................................................................................ 5
Flow Meter .............................................................................................................................. 6
Boom Control Valves .............................................................................................................. 6
Pressure Transducer ............................................................................................................... 6
INSTALLING THE SPEED SENSOR ASSEMBLY 7
Components.................................................................................................................................................7
Speed Step 1 - Location.......................................................................................................... 7
Proximity Sensor (optional)........................................................................................................................7
Speed Step 2 - Installing The Wheel Magnets ...................................................................... 8
Speed Step 3 - Installing the Magnetic Sensor..................................................................... 9
Speed Step 4 - Conrming Speed Sensor Installation....................................................... 10
Magnetic Wheel Sensor............................................................................................................................10
Radar..........................................................................................................................................................10
MOUNTING THE TEEJET 844 CONSOLE 11
Console Step 1 - Location..................................................................................................... 11
Console Step 2 - Mounting................................................................................................... 11
Console Step 3 - Power Connection .................................................................................... 12
Console Step 4 - Connecting Component Cables............................................................... 14
Connect Step 1 - Wiring Layout ........................................................................................... 15
Connect Step 2 - Making The Connection........................................................................... 16
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844ESprayerControl
PROGRAMMING GUIDELINES 19
IMPORTANT PRELIMINARY INFORMATION 19
Steps to Successful Programming....................................................................................... 19
PROGRAMMING THE 844E SPRAYER CONTROL SYSTEM 20
SYSTEM SETUP MODE 20
Program Units....................................................................................................................... 20
Setting Your Program Mode (U.S., Turf, NH3, Imperial, S.I.)...................................................................20
Reset Defaults....................................................................................................................... 20
Reset To Default Settings.........................................................................................................................20
Sensor Type........................................................................................................................... 21
Flow Meter or Pressure Based.................................................................................................................21
Flow Meter Calibration.........................................................................................................21
Flow Meter Pulses.....................................................................................................................................21
Pressure Transducer ............................................................................................................. 22
Maximum rating (P Hi)...............................................................................................................................22
Low Pressure Calibration (P rEF)............................................................................................................22
Nozzle Spacing...................................................................................................................... 23
Tips Per Boom Section..........................................................................................................23
Number of Spray Tips Per Boom Section...............................................................................................23
User Program Tip .................................................................................................................. 24
User Programmable Tip............................................................................................................................24
Pressure Regulation ............................................................................................................. 25
Pressure Regulation Mode.......................................................................................................................25
Regulation Adjustment Speed ............................................................................................ 26
Coarse RegulationAdjustment Speed....................................................................................................26
Fine RegulationAdjustment Speed.........................................................................................................26
Control Valve Type................................................................................................................ 27
Boom Control Valve Type: 2-Way/3-Way.................................................................................................27
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Calibrate Speed .................................................................................................................... 27
Speed Sensor Calibration.........................................................................................................................27
Proximity/Magnetic Pulses.......................................................................................................................27
Automatic Calibration:.................................................................................................................................28
Manual Calculation:.....................................................................................................................................28
Radar Speed Pulses .............................................................................................................. 29
Automatic Calibration:..............................................................................................................................29
Manual Calculation:.....................................................................................................................................29
Distance Counter .................................................................................................................. 29
Simulated Ground Speed..................................................................................................... 29
Program Specic Gravity ..................................................................................................... 30
Liquid Specic Gravity (Density) ......................................................................................... 30
Communications................................................................................................................... 31
Minimum Pressure................................................................................................................ 31
Minimum Regulating Pressure Setting....................................................................................................31
APPLICATION SETUP MODE 32
Target Application Rate ....................................................................................................... 32
Nozzle Selection ................................................................................................................... 33
Calculation Troubleshooting ............................................................................................... 35
Adjust Speed:............................................................................................................................................35
Adjust Pressure:........................................................................................................................................35
Liquid Density:...........................................................................................................................................35
OPERATING INSTRUCTIONS 37
SPRAYER CHECKOUT 37
THE SPRAYING OPERATION 38
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844ESprayerControl
FEATURES 39
Boost Mode ........................................................................................................................... 39
Area/Volume Feature ........................................................................................................... 39
Flow Rate Feature ................................................................................................................. 40
Application Alarm................................................................................................................. 40
No Flow Alarm....................................................................................................................... 40
Printing.................................................................................................................................. 41
TROUBLESHOOTING GUIDE 42
FLOW METER CALIBRATION 48
Method 1 – Known Volume.................................................................................................. 48
Step 1 – Known Value ...............................................................................................................................48
Step 2 – Programming Calibration Number............................................................................................48
Step 3 – Resetting Volume Counter.........................................................................................................48
Step 4 – Spraying Known Volume............................................................................................................48
Step 5 – Entering in New Flow meter Calibration Number....................................................................48
Step 6 – Double-checking the New Value................................................................................................48
Step 1 – Check Tip Size............................................................................................................................49
Step 2 – Count Tips...................................................................................................................................49
Step 3 – Calculated Flow..........................................................................................................................49
Step 4 – Measure.......................................................................................................................................49
Step 5 –Adjustments................................................................................................................................49
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844E SPRAYER CONTROL
Copyrights
© 2011 TeeJet Technologies. All rights reserved. No part of this document or the computer programs described
in it may be reproduced, copied, photocopied, translated, or reduced in any form or by any means, electronic or
machine readable, recording or otherwise, without prior written consent from TeeJet Technologies.
Trademarks
Unless otherwise noted, all other brand or product names are trademarks or registered trademarks of their
respective companies or organizations.
Limitation of Liability
TEEJET TECHNOLOGIES PROVIDES THIS MATERIAL “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER
EXPRESSED OR IMPLIED. NO COPYRIGHT LIABILITY OR PATENT IS ASSUMED. IN NO EVENT SHALL
TEEJET TECHNOLOGIES BE LIABLE FOR ANY LOSS OF BUSINESS, LOSS OF PROFIT, LOSS OF USE OR
DATA, INTERRUPTION OF BUSINESS, OR FOR INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
DAMAGES OF ANY KIND, EVEN IF TEEJET TECHNOLOGIES HAS BEEN ADVISED OF SUCH DAMAGES
ARISING FROM TEEJET TECHNOLOGIES SOFTWARE.
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844ESprayerControl
INTRODUCTION
Congratulations! And thank you for choosing TeeJet Technologies’ advanced 844 sprayer control system. With its
proper installation and maintenance, you can enjoy many seasons of accurate and uniform spray application with
fingertip convenience and ease of operation.
Installation and Programming of your control system will be covered in easy to follow, step-by-step instructions.
NOTE: WE RECOMMENDTHAT YOU READTHESE INSTRUCTIONS COMPLETELY before attempting
installation and programming of your 844 sprayer control. The unit’s performance will depend on its proper
installation and programming, along with planned preventative maintenance of your entire sprayer.
Easily Accessible
Programming Mode
is very user-friendly. The
process is made simple
with a series of easy-
to-follow, symbol-driven
programming steps.
844E SPRAYER CONTROL
Auto/Manual Control
gives the operator a
manual application option
for fail-safe reliability.
Master Shuto
controls all boom sections
with one switch.
Color-Coded Tip Selection Bar
allows for easy user programming by
matching the color of TeeJet VisiFlo®
spray tips.
Individual Boom Controls
give independent control of up to five boom sections,
allowing better management of varying field features
like waterways and terraces.
Boost Mode
will temporarily increase or
decrease application rates for
special situations, such as in
patches of heavy weeds.
A Large, Backlit Display
continuously displays all vital spraying
functions. With a quick glance, the
display reveals the application rate
(automatically switches between
target and actual), pressure, speed,
and area covered.
Aluminum Console Housing
with sealed computer switch panel
resists electronic interference and
damage through rough handling for
years of reliable service.
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B
target
a
d
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y
• Full-featured sprayer control with industry-leading
ease of use
• Large back-lit display shows all spraying
information at a glance
• Color-coded tip selection for easy programming
• Communication Port for PC and GPS interfacing
• Flow or pressure based regulation options provide
reliability and flexibility
• Five boom section switches plus master shutoff
• Built in application planning tool
• Durable, weather-resistant aluminum housing
• Single cable connection for quick hookup
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MOUNTING SPRAYER COMPONENTS
Pressure Regulator in Bypass Mode
All pressure regulating valves for the 844 will be wired for use in a
by-pass system. While plumbed in a by-pass mode, with the Auto/
Man key in the “MAN” mode, the valve should close when the
key is pressed and open when the key is pressed.
The pressure regulating valve can also be mounted in a throttling
situation as an alternative location. Refer to page 5, and Figures
1-3 and 1-4.
NOTE: The diagrams in Figures 1-1 and 1-2 are shown as general
guidelines to follow when plumbing the 844 components.
The type of pump used and location of other components
can vary from sprayer to sprayer. It is important to ensure
that if a pressure transducer is used, it is located as close
to the spray tips as possible. Normally, this is at the boom
control valves. However, if one particular boom section is
always used, the pressure transducer can be mounted on
that particular boom section. If a flow meter is used, make
sure that all of the flow going through the flow meter is
directed to the spray tips. Make sure that proper distance
is allowed on the inlet and outlet side of the flow meter
(refer to figures 1-2 and 1-3).
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844ESprayerControl
Figure 1-1: Bypass Plumbing Diagram - Pressure Based System
Figure 1-2: Bypass Plumbing Diagram - Flow Based System
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Pressure Regulator in Throttling Mode
The pressure regulating valve, as shown in the figures below, can be located in the supply line before the boom
control valves. If you choose this location, the 844 will need to be properly programmed to reverse the polarity of
the valve. This step can be found in the System Setup instructions on page 23. When in throttling mode, the valve
should open when the key is pressed, and close when the key is pressed. Be sure to check this before
plumbing the valve into the system.
Figure 1-3: Throttling Plumbing Diagram - Flow Based System
Figure 1-4: Throttling Plumbing Diagram - Pressure Based System
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