TeeJet Technologies 844E Manuale utente

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 - Conrming 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

844ESprayerCrontrol

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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 Specic Gravity ..................................................................................................... 30

Liquid Specic 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

844ESprayerCrontrol

98-70006 R3

844E SPRAYER CONTROL

Copyrights

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.

target

• 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

844ESprayerCrontrol

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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

844ESprayerCrontrol

98-70006 R3

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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