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Summary of Contents for TeeJet 844-RA
- Page 1 844-RA Sprayer Control Programming and Operating Manual (1.03) 98-70011-R0 844-RA Sprayer Control Auto Man ROAD APPLICATION CONTROLLER MI844-RA Programming and Operating Manual, 01/2000 1 of 28...
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Page 2: Table Of Contents
PROGRAMMING GUIDELINES......................4 ....................4 MPORTANT RELIMINARY NFORMATION POWERING CONSOLE ON/OFF ......................5 ..............................5 OWER ..............................5 OWER PROGRAMMING THE 844-RA SPRAYER CONTROL SYSTEM ............6 ........................ 6 ELECTION ORKING NITS Reset To Defaults ..........................6 ........................7 PEED ENSOR ALIBRATION Proximity/Magnetic Pulses ........................ - Page 3 ..............................28 RINTING MI844-RA Programming and Operating Manual, 01/2000 3 of 28...
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Page 4: Programming Guidelines
Programming Guidelines Make sure that all hardware components are properly installed and tested. Before you start the programming process you should first check if the console and all sensors are working properly. Refer to the plumbing and installation manual supplied with this console. MPORTANT RELIMINARY NFORMATION... -
Page 5: Powering Console On/Off
Installation manual included with this kit) the 1.0 3 s f t console is ready to be powered on. To power the 844-RA on press the key once. Initially the console will display the software version of the console in the top display and the serial... -
Page 6: Programming The 844-Ra Sprayer Control System
ELECTION ORKING NITS The 844-RA is capable of working in either GLM (Gallons Per Lane Mile) or GPA (Gallons Per Acre) units. In this step you select which g l n units you will be using. -
Page 7: Speed Sensor Calibration
PEED ENSOR ALIBRATION Note: During Speed Calibration, the 844-RA will automatically sense whether a Wheel Speed or Radar Speed Sensor is being used. Proximity/Magnetic Pulses c a l s p d The speed sensor needs to be calibrated in order to provide the proper speed and area readings. -
Page 8: Radar Speed Pulses
To deactivate the auto calibration mode, press the + key twice. During the automatic calibration step, the 844-RA automatically senses whether a proximity/magnetic or radar ground speed sensor is installed... -
Page 9: Distance Counter
ISTANCE OUNTER This step is a feature, not a calibration step. No specific value needs to be entered here for the controller to operate correctly. d s t This feature will measure distance in feet. This can be used to confirm Automatic Speed Calibration (see note below). -
Page 10: Flow Meter Pulses
ETER ULSES Note: This step may not appear in the console programming. It only appears if the Flow Meter Installed step is set to YES. During the Flow Meter Pulses step, the symbol (flow meter turbine) will be flashing at the top of the console display. -
Page 11: Pressure Sensor Installed
After the known volume has been sprayed out, turn the Master switch off to stop counting pulses. Now press the key. The console will now ask what volume was sprayed. g a l 10 0 Use the + and/or keys to adjust the value to match the volume sprayed (in gallons). -
Page 12: Pressure Transducer Low Pressure Calibration (Pref )
This step is used to calibrate the “0” pressure setting of the pressure transducer installed in 4 .0 0 your system. The pressure transducer used with the 844-RA is a current type transducer and uses a 4-20 mA reading. 4.0 mA represents 0 pressure. r e f... -
Page 13: Pressure Transducer Maximum Rating (Phi )
If both sensors have been installed on the sprayer, this step will determine which sensor will be used by the 844-RA to determine regulation. If “F L O” is selected, the flow meter will be used to control flow and the pressure transducer will be used only to display the actual pressure. -
Page 14: Section Width
ECTION IDTH The 844-RA can control up to 5 boom sections individually. The next 5 programming steps 12 0 indicate the width of each individual section. s e c Use the + or keys to adjust the value so that it matches the width of boom section 1 in i n c h inches. -
Page 15: Reference Section Flow
EFERENCE ECTION In this step you must enter the reference flow for boom section 1 in GPM. This is the total flow rate for the boom section if it were spraying at the reference pressure indicated in g p n s e c the previous step. -
Page 16: Pressure Regulating Mode
RESSURE EGULATING This step tells the 844-RA where the regulating valve has been plumbed. Once set correctly, this value should not change unless the b y p r e g regulating valve is physically moved to a new point in the plumbing. For more information about plumbing refer to the Plumbing and Installation manual supplied with this kit. -
Page 17: Regulating Valve Capacity
This step optimizes these parameters of c a p the 844-RA for the size of valve you are using. Use the + or keys to adjust the value so ROAD APPLICATION CONTROLLER that it matches the maximum flow capacity (GPM) of the regulating valve you are using. -
Page 18: Fine Adjustment
OMMUNICATIONS If your 844-RA has been upgraded to be communications compatible, this step lets you select what type of communication you will be using. The choices available are c o n the default of “n o c o n ”... -
Page 19: Simulated Ground Speed
This can and should be done prior to any spraying activity. The 844-RA has a low and high simulated ground speed. This allows you to switch between the two to simulate a speed change to ensure the console is regulating properly during the Sprayer Checkout. -
Page 20: Memory Load Function
Note: Once the sprayer begins moving and the 844-RA receives actual speed pulses, the simulated speed feature is deactivated. If you are using a Radar Speed Sensor, disconnect the Radar connection from the main console. Because of the sensitivity of this speed sensor, any movement can disable simulated speed. -
Page 21: Target Application Rate
Target Application Rate To adjust the Target Application Rate you must have the console in the normal operating mode with the Master boom switch in the OFF position 5 0 .0 and the control console set to Auto mode. Press the + key to increase the target rate or key to decrease the target rate. -
Page 22: Operating Instructions
Operating Instructions PRAYER HECKOUT Before spraying check all connections related to the Sprayer Control Assembly. Particular attention should be given to the sensors to be sure the console receives good uninterrupted signals. Be sure connections are made and the sensors are properly secured. Very Important: Whenever you are working around a sprayer or chemicals, be sure to wear protective clothing and eyewear. - Page 23 ♦ Adjust the pressure with the + and keys. The pressure should increase when you press the + key and decrease when you press the key. At this point, the sprayer will be activated and spray tip performance can be visually checked.
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Page 24: The Spraying Operation
PRAYING PERATION You have filled the sprayer tank and have thoroughly mixed the solution. Your application rate has been determined as well as the nozzles you will be using, with the sprayer data programmed into the computer. ♦ Turn the control console on by pressing the key. -
Page 25: Features
Features OLUME ISPLAY The 844-RA Sprayer Control will count application area and measure the total volume applied while the master boom switch is in the 5 0 .0 “ON” position. The area counter will measure treated acres and is dependent on the value programmed for swath width. -
Page 26: Application Alarm
2 0 .0 2 5 5 ROAD APPLICATION CONTROLLER LARM If the 844-RA stops receiving pulses from the flow meter the turbine symbol will flash at the top of the 0 .0 0 display. This alarm indicates that the flow meter... -
Page 27: Boost Mode
OOST The 844-RA is cable of boosting the target application rate either up or down in 10% increments. Boost Up To activate the boost up mode, press the + key. 6 5 .0 Then each subsequent pressing of the + key will boost the target rate up 10%. -
Page 28: Auto Power Down
OWER The 844-RA console is designed to power itself off after 10 minutes of no inputs. This feature keeps the console from draining the battery on the sprayer if the operator inadvertently leaves the console powered on for an extended period.
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