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Quick Guide Manual
Version 2
Software
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Printed in Canada
Copyright 2014 by NORAC Systems International Inc.
Reorder P/N: UC4.5-BC-MANUAL-QUICK-GUIDE Rev A
NOTICE: NORAC Systems International Inc. reserves the right to improve products and their specifications without notice and
without the requirement to update products sold previously. Every effort has been made to ensure the accuracy of the information
contained in this manual. The technical information in this manual was reviewed at the time of approval for publication.
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Contents
1 SAFETY PRECAUTIONS ...................................................................................... 1
1.1 Warranty Registration .................................................................................................................................................... 1
2 SYSTEM DESCRIPTION ....................................................................................... 2
2.1 General UC4.5 System Layout ...................................................................................................................................... 2
2.2 Height Sensors .................................................................................................................................................................. 3
2.3 Roll Sensors ....................................................................................................................................................................... 3
2.4 Position Sensors ............................................................................................................................................................... 4
2.5 Control Panel .................................................................................................................................................................... 4
3 ICON DESCRIPTIONS .......................................................................................... 5
4 OPERATION ........................................................................................................... 6
4.1 Basic UC4.5 Operation ................................................................................................................................................... 6
4.2 Sprayer Switches .............................................................................................................................................................. 7
4.3 Main Menu Settings .......................................................................................................................................................... 8
4.4 Main Menu Map ................................................................................................................................................................ 9
5 SETUP .................................................................................................................... 10
5.1 Automatic System Setup ............................................................................................................................................... 10
5.2 Retune .............................................................................................................................................................................. 13
6 MAINTENANCE ................................................................................................... 14
7 UC4.5 MENU STRUCTURE ................................................................................ 15
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1 Safety Precautions
The UC4.5 Spray Height Control system will greatly improve spray height accuracy and protect
the boom against damage in a wide variety of field conditions. However, under some
circumstances performance may be limited. The operator of the sprayer must remain alert at
all times and override the automatic control when necessary.
CAUTION
Under no circumstances should any service work be performed on the machinery
while the UC4.5 Spray Height Control system is in the automatic mode.
Always ensure that the UC4.5 Spray Height Control system is powered down or in
manual mode:
Before leaving the operator’s seat.
While the machine is not moving.
When transporting the machine.
Before working on any part of the booms:
Set the UC4.5 system to manual mode.
Turn the sprayer engine off.
Do not operate this system before:
Reading and understanding the operator’s manual.
Thoroughly understanding the machine operation.
The information in this manual applies to systems with Version 2 software.
1.1 Warranty Registration
To activate the warranty, the product must be registered at the time of installation or delivery.
Products can be registered online at www.norac.ca . Extended parts warranty can also be
purchased when registering the product warranty. Please note the extended parts warranty must
be purchased within 30 days of equipment purchase.
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2 System Description
2.1 General UC4.5 System Layout
Figure 1: General UC4.5 System Layout (Self Propelled)
Figure 2: General UC4.5 System Layout (Pull Type)
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Figure 3: General UC4.5 System Layout (Front Mount)
2.2 Height Sensors
Height sensors use an ultrasonic signal to measure distance to the ground or crop canopy.
Most standard systems have two height sensors. One mounted on the outer part of each
boom tip. However, there can be as many as six sensors per system.
Height sensor firmware version must be 2.0.0.1 or higher.
2.3 Roll Sensors
Roll sensors are important for measuring boom and sprayer roll dynamics.
Two roll sensors are normally used for a UC4.5 Spray Height Control System.
The mounting position of the roll sensors vary from sprayer to sprayer depending on boom
geometry and suspension.
Roll sensor firmware version must be 2.0.0.0 or higher.
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(
play
p
2.4 Position Sensors
Position sensors are used to measure boom suspension position and/or cylinder position.
The function of position sensors may be similar to that of a pair of roll sensors.
The mounting position of the position sensors vary from sprayer to sprayer depending on
boom geometry and suspension.
2.5 Control Panel
The UC4.5 control panel (Figure 4) is the main component of the UC4.5 Spray Height
Control System. The control panel uses the readings from the ultrasonic sensors to control
solenoid operated valves that in turn adjust the boom height. The control panel will:
Indicate when the system is in AUTOMATIC or MANUAL mode.
Indicate any hydraulic action which is underway.
Accept input to adjust all control system settings.
Boom Roll Switch
(Optional)
Sensor Dis
Setu
Power Switch
LCD Screen
+ Button
Button
Button Manual Button
- Button
Figure 4: UC4.5 Control Panel
Auto
Yes) Button
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3 Icon Descriptions
The following table illustrates and describes the icons used on the control panel buttons.
Table 1: Button Icons
Icon Name Description
Sensor Display Navigates to the Sensor Display menu.
Settings (No)
Plus Adjusts setting values.
Minus Adjusts setting values.
Auto (Yes)
Manual Puts the system into Manual mode.
Navigates to the Settings menu.
Declines selections in some menus.
Puts the system into Automatic mode.
Confirm selections in some menus.
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4 Operation
4.1 Basic UC4.5 Operation
Upon power-up a sequence of messages are temporarily displayed on the control panel LCD
screen. The system is ready for use once the run screen is displayed.
To access either the "SENSOR DISPLAY" ( ) or "SETUP" ( ) menus, the control panel
must be at the run screen.
Press the button corresponding with the menu desired.
Adjust the menu settings using the buttons when the prompt is displayed.
After 30 seconds menu prompts will return to the run screen.
To return to the run screen press and hold for two seconds.
New settings take effect once the run screen is displayed.
When the UC4.5 Height Control System is in automatic mode, arrows will appear on the
screen indicating the UC4.5 system is making a correction. Often the correction will be very
small and there may not be a noticeable change in boom position.
LEFT BOOM
ARROW
TARGET
HEIGHT
RIGHT BOOM
ARROW
A 45 A
AUTO / MANUAL
(Left Boom) or
MAIN LIFT ARROW
Figure 5: Run Screen
AUTO / MANUAL
(Right Boom)
Changing to Automatic or Manual Mode:
From the run screen, press the control panel "AUTO" button ( ) to put the system into
automatic mode. The run screen will show an "A" for each side of the boom to indicate the
system is in auto. Pressing the "MANUAL" button ( ) or a sprayer joystick function will put
the system into manual mode. The run screen will show an "M" for each boom to indicate the
system is in manual mode.
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Viewing the Sensor or Target Height:
When in manual mode the run screen shows the average of all the sensor heights. In automatic
mode the number shown on the run screen is the target height.
Press to view the actual sensor heights. The left, right, and main (center) sensor heights are
each displayed on a separate screen. If there are 2 sensors on each wing, both sensor heights
will be displayed on the same screen. The sensor heights are shown in either centimeters or
inches depending on the sprayer type or the units selected. The height displayed is measured
from the spray nozzles to the soil (soil mode) or crop canopy (crop mode).
To lock the currently viewed sensor heights on the screen indefinitely, press the button
once. Sensor height menus can be viewed in both automatic and manual mode.
4.2 Sprayer Switches
When a sprayer switch is pressed, an arrow will be displayed on the screen showing which
function is being activated. For example, if the left up switch is pressed then an arrow will be
shown on the left side pointing up.
Tilt Switches:
While in automatic mode if either left or right tilt switches are pressed, the corresponding
boom section will go into manual mode. The corresponding "A" on the display will change to
an "M" to indicate that boom is in manual mode. This is useful when spraying near ditches or
fences where it is desired to manually control one of the booms while leaving the other boom
in automatic mode. To return all boom sections to automatic mode, press the button. If
the system is operating with only one boom in automatic mode, the control panel will
occasionally emit an audible chirp as a reminder that one of the booms is in manual mode.
Main Lift Switch:
While in automatic mode if the main lift up or down switch is momentarily pressed, the target
height is incrementally adjusted up or down.
If Headland Assist is enabled with the trigger as the main lift switch, then the main lift switch
will be used to control Headland Assist instead of the target height. The main lift up switch will
activate Headland Assist. By toggling main lift down the system will return to automatic mode.
Pressing and holding the main lift switch will always put the system into manual mode.
Note: These features may not be available for all sprayer types.
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4.3 Main Menu Settings
Sensor Mode:
Soil mode configures the sensors to read the height from the spray nozzles to the ground.
Crop mode will read the height from the spray nozzles to the top of the crop canopy. Hybrid
mode will use both the distance measured to the crop canopy and the distance measured to
the ground to determine the crop height. Hybrid mode will create a virtual crop canopy using
historic crop height information preventing the boom from tracking down into the crop when
the crop canopy is thin or in areas of downed crop or wheel tracks.
To change sensor modes, press twice from the run screen. The screen will display either
"SOIL", "CROP", or “HYBRID”. Use the buttons to change the setting.
Sensitivity:
The sensitivity can be adjusted from 1 to 10, with 5 being the default setting. A lower number
will reduce the system sensitivity. Higher settings will speed up the response and also create a
greater demand on the hydraulics.
To change the sensitivity, press the button once from the run screen. The current
sensitivity will be displayed. Use the buttons to change the setting.
Target Height:
The target height is the height that the operator would like the boom to be set at when
spraying. When operating in soil mode, the target height is measured from the spray nozzles to
the soil. In crop mode the target height is measured from the crop canopy to the spray
nozzles. In Hybrid mode the target height is measured from the crop canopy, or in the absence
of a crop canopy, to the virtual crop canopy. The target height can be changed from the run
screen while the system is in automatic mode by using the buttons.
Severe Terrain Mode:
Some sprayers have the ability to fold in the boom tips and spray with only the inner sections of
the boom. If the sprayer has this ability and is equipped with a five sensor system (severe
terrain kit) then this feature may be used when spraying with the tips folded in.
Press
or off. By turning the tips off, the two outer sensors on the wings will be disabled and only the
inner wing sensors will be used to control the height.
from the run screen until "Tips on" is displayed. Use the buttons to turn it on
When the tips are turned off the run screen will show a lower case "a" in automatic to indicate
the outer sensors are turned off. The Severe Terrain Mode is defaulted to “Tips on” and will
return to "Tips on" anytime the power is cycled. When spraying with the full boom, the setting
should be "Tips on" to allow the outer sensors to operate again.
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4.4 Main Menu Map
Sensor
Display
Setup
More ?
Tips on
11 ()
89
87 89
90 89
M 82 M
Sensor Settings
Severe Terrain Mode
Roll Information
Center Height
Right Height
Left Height
Run Screen
Sensi 5
Soil On
ReTune ?
More ?
Figure 6: UC4.5 Main Menu Map
Note: Refer to Section 7 for a full menu structure map.
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Sensitivity
Crop or Soil Mode
Retune Hydraulics
Control Settings
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5 Setup
There are two methods to setup the UC5 system. The recommended way is to use the
Automatic Setup as shown in Section 5.1. The alternative method is to use Manual Setup,
which is intended for expert users and troubleshooting.
5.1 Automatic System Setup
Unfold the sprayer in a location that is relatively level and where the sensors are over bare soil
or gravel. Do not conduct the system setup or retune procedures over standing crop or
weeds/grass. Also avoid concrete or asphalt surfaces.
Ensure the boom roll suspension system is functioning properly and smoothly. Friction on
wear surfaces can be relieved using lubricants (grease, etc) or adjustment. Properly tuned
suspension systems will optimize UC4.5 performance.
For best results, the hydraulic system should be under a normal load and at a normal
working temperature.
Start the solution pump and run the sprayer’s engine at a normal working RPM for the
entire setup.
Cycle all boom sections up and down manually for five minutes to warm the oil. For pull-
type sprayers, ensure any hydraulic flow controls are adjusted for normal field operation.
Changing the hydraulic flow controls after or during the system setup will affect the
UC4.5 performance.
CAUTION
All boom sections will move during the automatic install.
People and equipment must be clear of sprayer boom.
Ensure the booms have sufficient range to lift fully and are clear of any power
lines.
If this is the first setup for the panel, the process will begin automatically. If the panel was
previously set up, select "Install?" from the setup menu to initiate the Automatic System Setup.
Select the Sprayer Type:
Type +/- Select
Use the buttons to toggle through a list of available sprayer types.
When the desired type is shown, confirm the selection with the button.
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To exit the install now before changing any settings press the button.
The control panel is loading all the settings for the sprayer.
Wiring Test:
Use the sprayer's manual controls to move the left boom up.
If the wrong boom moves or if the direction is incorrect, stop the setup. Consult the
The control panel confirms the wiring is correct. Continue the process with the remaining
Note: Some sprayer types do not support a wiring test or they may support a different style of test. If
there are no messages displayed in this step, simply continue as prompted by the panel.
Dfalting
Press
UC4.5 Installation Manual to check the hydraulic plumbing and electrical wiring of the
system.
Left Up
Left Ok
booms.
Sensor Detect:
Position all boom sections such that the nozzles are 35 inches (90 cm) from the ground.
Press to continue.
Note: If it is not possible to get all the booms set to exactly 35 inches (90 cm), the sensor height can be
adjusted after the install is finished.
Hold the
Height
Hold Auto Until
“Done”
button to begin the sensor detect sequence. The button must be held for
the duration of the procedure. If
the procedure.
Proceed?
is released, simply press and hold again to continue
35 inch Booms at Level
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The control panel will automatically move the booms to detect and assign the sensors to
the correct locations.
Release the button to continue.
Boom Geometry Tuning:
Exit the cab and manually push either boom tip down 1 – 3 feet (30 – 90 cm) for a moment
and then let go.
Do not walk near the sensors when approaching the boom. Stay at least 3 feet from the
sensor so as not to induce a measurement error.
Note: This step may not be applicable for all sprayer types.
Hydraulic Tuning:
Switch Release
boom tip push Exit Cab
& let go ground near to
Until Auto Hold
Hold the button to continue the hydraulic tuning. If is released before "Done" is
The panel will display various messages as it is working. The messages are displayed for
Release the button, the hydraulic tuning is complete.
“Done”
displayed, simply press and hold again to continue the procedure.
informational purposes only.
Done
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5.2 Retune
From time to time it may be necessary to recalibrate (Retune) the UC4.5 electronics to the
sprayer’s hydraulics. Examples of such times are:
A hydraulic solenoid valve has been changed.
The hydraulic pump has been changed or adjusted.
A different tractor has been connected to the sprayer.
The tractor’s hydraulic flow control has been adjusted.
If running a pull type sprayer and using different tractors to operate the sprayer, run the Retune
procedure each time the tractor is changed. If there is a flow control for the boom hydraulics,
set it prior to tuning. If the flow setting is changed by more than 20 percent, run a Retune.
Navigate to the "Retune?" menu prompt in the SETUP ( ) menu and confirm with the
button. The system will go through only the “Hydraulic Tuning” portion of the Automatic
Setup.
Note: The booms are to be leveled at a normal working height when Retune starts – it is not necessary
to set them to 35 inches. The 35 inch height is only required during the Automatic System Setup.
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6 Maintenance
The NORAC Spray Height Control system requires very little maintenance, but there are a few
procedures that will ensure the system continues to work correctly for many years.
Before each day:
It is highly recommended that the sprayer friction pads are greased. To ensure optimum
performance this should be done daily. This will ensure the boom is pivoting
separately from the sprayer. It is very important to keep the friction pads greased on
Active Roll™ systems.
Ensure the height sensor breakaway brackets are functioning correctly. Apply grease to the
moving parts if necessary, to ensure they return to center after a break-away occurs.
Ensure there is a clean, dry foam disc inserted in each sensor. If it is clogged with dust or
other debris, clean it as described below.
At the end of the season:
Replace the oil filter in the NORAC hydraulic manifold annually (NORAC P/N 106285).
Cleaning Ultrasonic Height Sensors:
Remove the foam disc from the sensor and wash it with clean water. Squeeze out excess
water and allow the foam disc to dry. The sensor can be used if the foam is wet, however a
valid height reading may not be obtained until it is completely dry.
If the transducer inside the sensor is also dirty, wash it using clean water. Remove the
sensor from the bracket and rinse debris from the transducer by pouring water
across the face of the sensor. Do not submerge or pressure-wash the sensor. A
soft bristle brush can also be used to gently clean the transducer if water alone is not
sufficient. Use caution not to scratch or tear the transducer as it is fragile. The sensor
should be left to dry with the transducer facing downwards. The sensor can be used if it is
wet, however a valid height reading may not be obtained until it is completely dry. Leaving
the control system powered on with the sensor connected and facing down will speed the
process of drying the sensor.
Chemicals or compressed air should never be used to clean the sensor.
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7 UC4.5 Menu Structure
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Canada
NORAC Systems International Inc.
Phone: (+1) 306 664 6711
Toll Free: 1 800 667 3921
Shipping Address:
3702 Kinnear Place
Saskatoon, SK
S7P 0A6
United States
NORAC, Inc.
Phone: (+1) 952 224 4142
Toll Free: 1 866 306 6722
Shipping Address:
6667 West Old Shakopee Road, Suite 111
Bloomington, MN
55438
Europe
NORAC Europe
Phone: (+33) (0)4 26 47 04 42
Shipping Address:
Rue de l’hermitage
01090 GUEREINS
France
www.norac.ca
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