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844-AB Sprayer control   

25 

 

 

 

 

 

Software 4.03

 

Chapter 8 - Operations  
 

Before operating, check connections related 
to the Sprayer Control Assembly. The sensors 
should be checked to ensure the console 
receives uninterrupted signals.  
 
IMPORTANT!  
When work occurs around a sprayer/farm 
chemical, wear protective clothing and eye 
wear. Partially fill the sprayer tank with 
water to flush the system. Perform an 
inspection of the spray tips to ensure they 
are spraying the correct pattern.  
 
The Master Boom Switch should be in the 
“Off” position. Perform the following steps 
prior to application: 
  

  Ensure the tank shut-off valve is “open”.  

  Start the engine, engage the pump, and set 

the RPM to the level to be used during 
application.  

  Power on the 844-AB by pressing the 

Program key.  

  Ensure the preset reference flow number 

matches the tips being used.  

  Ensure the console recognizes simulated 

speed. If the simulated speed has been 
disabled due to movement of the sprayer, 
press the Program and Plus keys to 
activate the high simulated speed. Press 
the Program and Minus keys to activate the 
low simulated speed.  

 
Figure 8-1: Simulated Speed (Low)  
 

 

    spd

spd

spd

spd    

    sim

sim

sim

sim

    

 6.0

 6.0

 6.0

 6.0

    

lo

lo

lo

lo    

 

            

 

 
 

    

 

    

    

 

1  2  3  4  5  6  7  8  9  10 11 12 

RO 

Power “ON ” the toggle switches for each 
spray  

  boom section.  

  Press the Auto/Man key so the red light 

indicates “MAN” mode.  

  Toggle the Master Boom Switch to “ON ”.  

  Adjust the pressure with the Plus and 

Minus keys. The pressure should increase 
with the Plus key and decrease with the 
Minus key. During adjustment, the sprayer 
will be active so spray tip performance can 
be visually monitored.  

  Press the Auto/Man key so the red DE light 

indicates “Auto” mode. The 844-AB should 
adjust to the appropriate target application 
rate for the simulated speed.  

  Press the Program and Plus keys 

simultaneously during spraying to switch 
the console to “high” simulated speed. The 
844-AB should adjust to the appropriate 
target application rate for the simulated 
speed.  

  Press the Program and Minus keys 

simultaneously during spraying to switch 
the console to “low” simulated speed. The 
844-AB should adjust to the appropriate 
target application rate for the simulated 
speed.  

 
Toggle the Master Boom Switch to “OFF ” to 
stop spraying.  
 
NOTE:  
It is recommended that the entire sprayer 
be calibrated in preparation for operation 
and to diagnose wear to spray tips. Worn 
tips can contribute to costly chemical 
waste and inaccurate spraying regardless 
of sprayer control use. Calibration is 
important to obtain the benefits associated 
with computerized sprayer control.  

Содержание 844-AB

Страница 1: ......

Страница 2: ...eset the value to 0 or begin automatic calibration Press the Program key to advance the system to the next program step After the final program step is complete the console will finish the programming...

Страница 3: ...area and volume counters to memory before it powers down Off will be displayed on the console followed by a 5 second countdown indicating the console is about to power down The console also has an au...

Страница 4: ...e between two rows of trees This mode is called AB airblast Figure 2 1 Airblast AB principle Vineyard mode This mode is designed to work with vineyard sprayers that are spraying horizontally Several r...

Страница 5: ...rking in either Airblast AB or Vineyard HC mode Use the Plus and Minus keys to switch from AB to HC mode Press the Program key to accept the value and advance to the next program step Figure 3 1 Appli...

Страница 6: ...fully open Lowering this value will make the regulation slower Increasing this value will make the regulation faster Figure 3 5 Rotation speed 6 6 6 6 rot rot rot rot spd spd spd spd sec sec sec sec...

Страница 7: ...10 11 12 Km h Memory option This feature enables the user counters Select NO to disable this feature or YES to enable it Figure 3 9 Memory option NO NO NO NO mem mem mem mem 1 2 3 4 5 6 7 8 9 10 11 1...

Страница 8: ...n either US SI Standard International metric or SI l 100 m units Use the Plus and Minus keys to switch units Press the Program key to accept the value and advance to the next program step Figure 4 1 U...

Страница 9: ...w meter signals will be ignored The regulation mode determines the following program steps If FLO is selected the next Setup Mode screen displayed will be the calibration step for the flow sensor refe...

Страница 10: ...inued cal cal cal cal 23 23 23 23 2777 2777 2777 2777 1 2 3 4 5 6 7 8 9 10 11 12 P RO Press the Program key The console will ask for the volume that was sprayed Use the Plus or Minus keys to adjust th...

Страница 11: ...ress the Program key to advance to the next step Figure 4 12 Pressure Transducer Low Pressure Calibration Continued 3 9 3 9 3 9 3 9 p p p p ref ref ref ref 1 2 3 4 5 6 7 8 9 10 11 12 P RO NOTE If a pr...

Страница 12: ...ltaneously to clear the contents of the display and activate auto calibration mode CAL will be displayed on the lower right of the screen Figure 4 15 Speed Sensor Automatic Calibration cal cal cal cal...

Страница 13: ...and to activate auto calibration mode Once auto calibration mode is activated RAD will be displayed on the lower left of the screen Figure 4 17 Radar Speed Sensor Automatic Calibration rad rad rad ra...

Страница 14: ...sole Change from low to high by pressing the Auto Man key Use the Plus or Minus keys to adjust the values Press the Auto Man key to switch to the other setting either low or high and adjust the value...

Страница 15: ...he flow rate for the lower left section L1 identically to the flow rate of the lower right section R1 The flow rate entered for level 1 will serve as reference flow for L1 and or R1 Figure 4 19 AB Flo...

Страница 16: ...ow reference The pressure selected to reference flow is not critical any pressure can be used Select a pressure that is close to normal operating pressure or select a pressure from the flow rate chart...

Страница 17: ...lected 0 Slow 9 Fast The default value is 9 5 The first digit establishes the speed for coarse adjustments when relatively far from the target rate The second digit establishes the speed for the fine...

Страница 18: ...o change the displayed value to THR throttling mode By doing this the polarity that the console uses to control the regulating valve will be reversed Figure 4 28 Pressure Regulating Mode Throttling Mo...

Страница 19: ...31 Density Settings Use the Plus or Minus keys to change the value Press the Plus and Minus keys simultaneously to clear the value to 0 Press the Program key to accept the value and advance to the ne...

Страница 20: ...P RO no no no no If the 844 AB has not been upgraded with the communication package no change is required If a change is necessary press the Plus or Minus keys to select the type of communication use...

Страница 21: ...n the number of faces sprayed by each section additional steps are required to setup these values Figure 5 1 Section 1 Faces Settings 1 1 1 1 sec sec sec sec 1 2 3 4 5 6 7 8 9 10 11 12 P RO 1 1 1 1 fa...

Страница 22: ...ter values only for the necessary number of presets All others should be set to 0 Values set to 0 will not be available for selection Once the presets have been entered press the GREEN button or the P...

Страница 23: ...o pro pro pro 1 2 3 4 5 6 7 8 9 10 11 12 user user user user Preset Flow Rate Selection The symbol will flash at the bottom of the screen The numbers 1 12 also located at the bottom of the screen repr...

Страница 24: ...n While in the calculation step either the pressure or speed units will flash Adjust Pressure If an approximate operating pressure is known use the Plus or Minus keys to adjust the value The 844 AB wi...

Страница 25: ...o Man key during Application Setup mode to activate the alternate density A D will be displayed at the top of the console to indicate the alternate density is active This must be displayed so that all...

Страница 26: ...lo lo lo 1 2 3 4 5 6 7 8 9 10 11 12 P RO Power ON the toggle switches for each spray boom section Press the Auto Man key so the red light indicates MAN mode Toggle the Master Boom Switch to ON Adjust...

Страница 27: ...tion area covered total volume applied and pressure if a pressure transducer has been installed Turn the Master Boom Switch to the On position as the area to apply is entered Spraying will begin Maint...

Страница 28: ...ximately three seconds before returning to actual application rates Figure 9 1 Boost Mode up up up up 20 20 20 20 120 120 120 120 1 2 3 4 5 6 7 8 9 10 11 12 0 410 0 410 0 410 0 410 L Ha To return the...

Страница 29: ...e display This indicates that there is a problem with the flow meter or elsewhere in the system This alarm will occur only when the Master Boom Switch and at least one boom toggle switch are set to th...

Страница 30: ...ct a standard serial port printer to the 844 AB console and make sure that the printer LED s are lit indicating that the printer has power Ensure that the console is in Operations mode and the Master...

Страница 31: ...844 AB Sprayer control 30 Software 4 03 1801 Business Park Drive Springfield Illinois 62703 USA 217 753 8424 www teejet com...

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