Nordson EFD Ultimus IV Series User manual

Ultimus IV Series Dispensers
Operating Manual
Electronic pdf files of Nordson EFD
manuals are also available at
www.nordsonefd.com
™

You have selected a reliable, high-quality dispensing system from Nordson EFD, the world leader in fluid
dispensing. The Ultimus™IV fluid dispenser was designed specifically for industrial dispensing and will
provide you with years of trouble-free, productive service.
This manual will help you maximize the usefulness of your Ultimus IV dispenser.
Please spend a few minutes to become familiar with the controls and features. Follow our recommended
testing procedures. Review the helpful information we have included, which is based on more than
50years of industrial dispensing experience.
Most questions you will have are answered in this manual. However, if you need assistance, please do
not hesitate to contact EFD or your authorized EFD distributor. Detailed contact information is provided
on the last page of this document.
The Nordson EFD Pledge
Thank You!
You have just purchased the world’s finest precision dispensing equipment.
I want you to know that all of us at Nordson EFD value your business and will do everything in our power
to make you a satisfied customer.
If at any time you are not fully satisfied with our equipment or the support provided by your Nordson
EFD Product Application Specialist, please contact me personally at 800.556.3484 (US), 401.431.7000
(outside US), or [email protected].
I guarantee that we will resolve any problems to your satisfaction.
Thanks again for choosing Nordson EFD.
Srini Subramanian, General Manager
Srini Subramanian
Ultimus IV Series Dispensers
2www.nordsonefd.com [email protected] [phone] Sales and service of Nordson EFD dispensing systems are available worldwide.

Contents
Contents..........................................................................................................................................................................3
Introduction .....................................................................................................................................................................4
Nordson EFD Product Safety Statement ........................................................................................................................5
Halogenated Hydrocarbon Solvent Hazards ...............................................................................................................6
High Pressure Fluids....................................................................................................................................................6
Qualified Personnel......................................................................................................................................................6
Intended Use ...............................................................................................................................................................7
Regulations and Approvals..........................................................................................................................................7
Personal Safety............................................................................................................................................................7
Fire Safety....................................................................................................................................................................8
Preventive Maintenance ..............................................................................................................................................8
Important Disposable Component Safety Information ................................................................................................9
Action in the Event of a Malfunction............................................................................................................................9
Disposal .......................................................................................................................................................................9
Specifications................................................................................................................................................................10
First Steps .....................................................................................................................................................................11
Features & Controls: Front Panel ..................................................................................................................................12
Manual / Programmed Dispense Select ....................................................................................................................12
Cycle Start .................................................................................................................................................................12
Program Number .......................................................................................................................................................13
Barrel Select ..............................................................................................................................................................13
Reset..........................................................................................................................................................................13
Home (F1) ..................................................................................................................................................................14
Jog (F2) ......................................................................................................................................................................14
Shot Count / Deposit Volume (F3) .............................................................................................................................15
Reset Shot Count (F4) ...............................................................................................................................................15
Deposit Volume / Forward .........................................................................................................................................16
Pause.........................................................................................................................................................................16
Pullback / Back..........................................................................................................................................................17
Manual Dispense Rate...............................................................................................................................................18
Increase and Decrease ..............................................................................................................................................18
Features & Controls: Back Panel ..................................................................................................................................19
Attaching the Syringe Barrel..........................................................................................................................................20
Attaching the Barrel / Purging the Tip .......................................................................................................................20
Removing the Syringe Barrel .....................................................................................................................................20
Program Function..........................................................................................................................................................21
How to Make a Bead.....................................................................................................................................................22
Modify Function.............................................................................................................................................................23
Operating Tips...............................................................................................................................................................24
Pre-Load Adjustment ....................................................................................................................................................25
Syringe Barrel Filling......................................................................................................................................................26
Input / Output Connection ............................................................................................................................................27
Voltage Initiate Circuit................................................................................................................................................27
Mechanical Contact Initiate .......................................................................................................................................27
End-of-Cycle Feedback Circuit .................................................................................................................................27
Pin Function...............................................................................................................................................................27
Part Numbers ................................................................................................................................................................28
Accessories ...................................................................................................................................................................28
Components..................................................................................................................................................................29
Replacement Parts........................................................................................................................................................29
Troubleshooting ............................................................................................................................................................30
Ultimus IV Series Dispensers
3www.nordsonefd.com [email protected] [phone] Sales and service of Nordson EFD dispensing systems are available worldwide.

Introduction
The Ultimus IV Dispensing System is designed to provide complete process control using a patented positive
displacement technology.
There are four core variables to the system: Deposit Volume, Dispense Rate, Pause, and Pullback.
To achieve the ideal deposit size, adjust only one of these variables at a time, in small increments. Key features
include:
• Repeatable, precise fluid control
• All electric; no requirement for compressed air
• Programmable Pullback to eliminate oozing
• Menu-driven touch pad
• 100 user-defined memory cells for storing barrel size, deposit volume, dispense rate, pause, and pullback
The Ultimus IV Dispensing System provides consistent results, regardless of changes in fluid volume, viscosity, or
temperature. It is ideal for use with 2-part epoxies and other fluids with changing viscosities, or where a specific flow
rate is needed.
Ultimus IV Series Dispensers
4www.nordsonefd.com [email protected] [phone] Sales and service of Nordson EFD dispensing systems are available worldwide.

Nordson EFD Product Safety Statement
The safety messages that follow have a CAUTION level hazard.
Failure to comply may result in minor or moderate injury.
CAUTION
READ MANUAL
Read manual for proper use of this equipment. Follow all safety instructions. Task- and equipment-
specific warnings, cautions, and instructions are included in equipment documentation where
appropriate. Make sure these instructions and all other equipment documents are accessible to
persons operating or servicing equipment.
The safety message that follows has a WARNING level hazard.
Failure to comply could result in death or serious injury.
WARNING
ELECTRIC SHOCK
Risk of electric shock. Disconnect power before removing covers and / or disconnect, lock out, and
tag switches before servicing electrical equipment. If you receive even a slight electrical shock, shut
down all equipment immediately. Do not restart the equipment until the problem has been identified
and corrected.
MAXIMUM AIR PRESSURE
Unless otherwise noted in the product manual, the maximum air input pressure is 7.0 bar (100
psi). Excessive air input pressure may damage the equipment. Air input pressure is intended to be
applied through an external air pressure regulator rated for 0 to 7.0 bar (0 to 100 psi).
RELEASE PRESSURE
Release hydraulic and pneumatic pressure before opening, adjusting, or servicing pressurized
systems or components.
BURNS
Hot surfaces! Avoid contact with the hot metal surfaces of heated components. If contact can not be
avoided, wear heat-protective gloves and clothing when working around heated equipment. Failure
to avoid contact with hot metal surfaces can result in personal injury.
Ultimus IV Series Dispensers
5www.nordsonefd.com [email protected] [phone] Sales and service of Nordson EFD dispensing systems are available worldwide.

Nordson EFD Product Safety Statement (continued)
Halogenated Hydrocarbon Solvent Hazards
Do not use halogenated hydrocarbon solvents in a pressurized system that contains aluminum components.
Under pressure, these solvents can react with aluminum and explode, causing injury, death, or property damage.
Halogenated hydrocarbon solvents contain one or more of the following elements.
Element Symbol Prefix
Fluorine F “Fluoro-”
Chlorine Cl “Chloro-”
Bromine Br “Bromo-”
Iodine I “Iodo-”
Check the Safety Data Sheet (SDS) or contact your material supplier for more information. If you must use
halogenated hydrocarbon solvents, contact your EFD representative for compatible EFD components.
High Pressure Fluids
High pressure fluids, unless they are safely contained, are extremely hazardous. Always release fluid pressure before
adjusting or servicing high pressure equipment. A jet of high pressure fluid can cut like a knife and cause serious
bodily injury, amputation, or death. Fluids penetrating the skin can also cause toxic poisoning.
Any injury caused by high pressure liquid can be serious. If you are injured or even suspect an injury:
• Go to an emergency room immediately.
• Tell the doctor that you suspect an injection injury.
• Show the doctor the following note.
• Tell the doctor what kind of material you were dispensing.
WARNING
Medical Alert — Airless Spray Wounds: Note to Physician
Injection in the skin is a serious traumatic injury. It is important to treat the injury surgically as soon as possible. Do
not delay treatment to research toxicity. Toxicity is a concern with some exotic coatings injected directly into the
bloodstream.
Qualified Personnel
Equipment owners are responsible for making sure that EFD equipment is installed, operated, and serviced by
qualified personnel. Qualified personnel are those employees or contractors who are trained to safely perform
their assigned tasks. They are familiar with all relevant safety rules and regulations and are physically capable of
performing their assigned tasks.
Ultimus IV Series Dispensers
6www.nordsonefd.com [email protected] [phone] Sales and service of Nordson EFD dispensing systems are available worldwide.

Intended Use
Use of EFD equipment in ways other than those described in the documentation supplied with the equipment may
result in injury to persons or damage to property. Some examples of unintended use of equipment include:
• Using incompatible materials.
• Making unauthorized modifications.
• Removing or bypassing safety guards or interlocks.
• Using incompatible or damaged parts.
• Using unapproved auxiliary equipment.
• Operating equipment in excess of maximum ratings.
• Operating equipment in an explosive atmosphere.
Regulations and Approvals
Make sure all equipment is rated and approved for the environment in which it is used. Any approvals obtained for
Nordson EFD equipment will be voided if instructions for installation, operation, and service are not followed. If the
equipment is used in a manner not specified by Nordson EFD, the protection provided by the equipment may be
impaired.
Personal Safety
To prevent injury, follow these instructions:
• Do not operate or service equipment unless you are qualified.
• Do not operate equipment unless safety guards, doors, and covers are intact and automatic interlocks are
operating properly. Do not bypass or disarm any safety devices.
• Keep clear of moving equipment. Before adjusting or servicing moving equipment, shut off the power supply
and wait until the equipment comes to a complete stop. Lock out power and secure the equipment to prevent
unexpected movement.
• Make sure spray areas and other work areas are adequately ventilated.
• When using a syringe barrel, always keep the dispensing end of the tip pointing towards the work and away
from the body or face. Store syringe barrels with the tip pointing down when they are not in use.
• Obtain and read the Safety Data Sheet (SDS) for all materials used. Follow the manufacturer’s instructions for
safe handling and use of materials and use recommended personal protection devices.
• Be aware of less-obvious dangers in the workplace that often cannot be completely eliminated, such as hot
surfaces, sharp edges, energized electrical circuits, and moving parts that cannot be enclosed or otherwise
guarded for practical reasons.
• Know where emergency stop buttons, shutoff valves, and fire extinguishers are located.
• Wear hearing protection to protect against hearing loss that can be caused by exposure to vacuum exhaust
port noise over long periods of time.
Nordson EFD Product Safety Statement (continued)
Ultimus IV Series Dispensers
7www.nordsonefd.com [email protected] [phone] Sales and service of Nordson EFD dispensing systems are available worldwide.

Nordson EFD Product Safety Statement (continued)
Fire Safety
To prevent a fire or explosion, follow these instructions:
• Shut down all equipment immediately if you notice static sparking or arcing. Do not restart the equipment until
the cause has been identified and corrected.
• Do not smoke, weld, grind, or use open flames where flammable materials are being used or stored.
• Do not heat materials to temperatures above those recommended by the manufacturer. Make sure heat
monitoring and limiting devices are working properly.
• Provide adequate ventilation to prevent dangerous concentrations of volatile particles or vapors. Refer to local
codes or the SDS for guidance.
• Do not disconnect live electrical circuits when working with flammable materials. Shut off power at a disconnect
switch first to prevent sparking.
• Know where emergency stop buttons, shutoff valves, and fire extinguishers are located.
Preventive Maintenance
As part of maintaining continuous trouble-free use of this product, Nordson EFD recommends the following simple
preventive maintenance checks:
• Periodically inspect tube-to-fitting connections for proper fit. Secure as necessary.
• Check tubing for cracks and contamination. Replace tubing as necessary.
• Check all wiring connections for looseness. Tighten as necessary.
• Clean: If a front panel requires cleaning, use a clean, soft, damp rag with a mild detergent cleaner. DO NOT
USE strong solvents (MEK, acetone, THF, etc.) as they will damage the front panel material.
• Maintain: Use only a clean, dry air supply to the unit. The equipment does not require any other regular
maintenance.
• Test: Verify the operation of features and the performance of equipment using the appropriate sections of this
manual. Return faulty or defective units to Nordson EFD for replacement.
• Use only replacement parts that are designed for use with the original equipment. Contact your Nordson EFD
representative for information and advice.
Ultimus IV Series Dispensers
8www.nordsonefd.com [email protected] [phone] Sales and service of Nordson EFD dispensing systems are available worldwide.

Nordson EFD Product Safety Statement (continued)
Important Disposable Component Safety Information
All Nordson EFD disposable components, including syringe barrels, cartridges, pistons, tip caps, end caps,
and dispense tips, are precision engineered for one-time use. Attempting to clean and re-use components will
compromise dispensing accuracy and may increase the risk of personal injury.
Always wear appropriate protective equipment and clothing suitable for your dispensing application and adhere to
the following guidelines:
• Do not heat syringe barrels or cartridges to a temperature greater than 38° C (100° F).
• Dispose of components according to local regulations after one-time use.
• Do not clean components with strong solvents (MEK, acetone, THF, etc.).
• Clean cartridge retainer systems and barrel loaders with mild detergents only.
• To prevent fluid waste, use Nordson EFD SmoothFlow™pistons.
Action in the Event of a Malfunction
If a system or any equipment in a system malfunctions, shut off the system immediately and perform the following
steps:
1. Disconnect and lock out system electrical power. If using hydraulic and pneumatic shutoff valves, close and
relieve pressure.
2. For Nordson EFD air-powered dispensers, remove the syringe barrel from the adapter assembly. For Nordson
EFD electro-mechanical dispensers, slowly unscrew the barrel retainer and remove the barrel from the actuator.
3. Identify the reason for the malfunction and correct it before restarting the system.
Disposal
Dispose of equipment and materials used in operation and servicing according to local codes.
Ultimus IV Series Dispensers
9www.nordsonefd.com [email protected] [phone] Sales and service of Nordson EFD dispensing systems are available worldwide.

Specifications
NOTE: Specifications and technical details are subject to change without prior notification.
Item Specification
Cabinet size 18.4Wx 8.1Hx 32.3Dcm (7.25Wx 3.18Hx 12.73D")
Weight 3.7 kg (8.2 lb)
Flexible cable assembly length 1.8 m (6 ft) to end of handset
Flexible cable assembly weight 0.113 kg (4.0 oz)
Flexible cable assembly bend radius 7.62 cm (3.0")
Power adapter AC input: 100–240 VAC (+/-10%), ~50/60H
DC output: 24 VDC @ 2.5 Amp
Minimum dispense volume 0.1 microliters (with 3cc syringe barrel)
Cycle rate Exceeds 20 cycles per minute
End-of-cycle feedback circuits 5–24 VDC, 100 mA maximum
Cycle initiate Foot pedal, Cycle Start button, or 5–24 VDC signal
Drive motor 1.8º microstepping, 1,600 steps/rev
Control circuitry CMOS microprocessor
Interface Tactile keypad
Hydraulic fluid Petroleum-based lubricant
Enclosure rating NEMA 1
Approvals CE, TUV, RoHS, WEEE, China RoHS
US Patent No. 6,575,331
RoHS标准相关声明标准相关声明 (China RoHS Hazardous Material Declaration)
产品名称
Part Name
有害物质及元素
Toxic or Hazardous Substances and Elements
铅
Lead
(Pb)
汞
Mercury
(Hg)
镉
Cadmium
(Cd)
六价铬
Hexavalent
Chromium
(Cr6)
多溴联苯
Polybrominated
Biphenyls
(PBB)
多溴联苯醚
Polybrominated
Diphenyl Ethers
(PBDE)
外部接口
External Electrical
Connectors
X00000
O: 表示该产品所含有的危险成分或有害物质含量依照EIP-A, EIP-B, EIP-C
的标准低于SJ/T11363-2006 限定要求。
Indicates that this toxic or hazardous substance contained in all the homogeneous materials for this part, according to EIP-A, EIP-B, EIP-C is below the
limit requirement in SJ/T11363-2006.
X: 表示该产品所含有的危险成分或有害物质含量依照EIP-A, EIP-B, EIP-C
的标准高于SJ/T11363-2006 限定要求.
Indicates that this toxic or hazardous substance contained in all the homogeneous materials for this part, according to EIP-A, EIP-B, EIP-C is above the
limit requirement in SJ/T11363-2006.
Ultimus IV Series Dispensers
10 www.nordsonefd.com [email protected] [phone] Sales and service of Nordson EFD dispensing systems are available worldwide.

First Steps
1. Unpack the dispenser.
2. For step-by-step setup instructions, see the Ultimus IV Quick Start Guide.
3. Now is a good time to activate your two year warranty: www.nordsonefd.com/warranty/dispensers/ultimus-iv
The Ultimus IV Dispensing System uses a flexible hydraulic link to transfer linear force from the drive motor to the
syringe barrel. The motor lead screw and drive shaft are also linked mechanically. This patented link allows the
transfer of up to 200 pounds of force from the motor to the assembly fluid.
Once a dispense cycle is complete, a programmed mechanical pullback retracts the plunger attached to the
Nordson EFD piston. The combined action of the plunger with the unit’s Forward steps, programmed Pause
function, and Pullback feature creates a consistent deposit and prevents fluid from oozing.
The bore and stroke of the syringe barrel are used to calculate deposit volume. For example, the inside diameter
of a 5cc syringe barrel measures 1.27 cm. One step moves the plunger 0.00008 cm, resulting in 0.0001 cc of fluid
being displaced. With a 3cc barrel, it takes two steps to displace the same amount of fluid.
Flexible cable assembly
The force of the stepper motor is transferred to the syringe barrel by a flexible cable assembly.
The plunger, attached at the end of the cable, drives into the Nordson EFD piston inside the syringe barrel. This
action forces the fluid out to make the deposit.
Adapter
Drive shaft
Nordson EFD
piston
Plunger
Barrel retainer
Power Input Receptacle
The Ultimus IV features a universal power supply. It automatically adjusts for input voltages ranging from 100 VAC to
240 VAC. There is no adjustment required by the user.
Ultimus IV Series Dispensers
11www.nordsonefd.com [email protected] [phone] Sales and service of Nordson EFD dispensing systems are available worldwide.

Manual / Programmed Dispense Select
Each mode allows you to access different features on the menu-driven display. Press the “hand” icon to
change from MANUAL mode to PROGRAMMED DISPENSE mode.
• In MANUAL mode, you can use the foot pedal to dispense a continuous bead of fluid. You are in MANUAL mode
when the red light next to the “hand” icon is on.
• In PROGRAMMED DISPENSE mode, you can set several variables, including Program Number, Syringe Barrel
Size, Deposit Volume, Dispense Rate, Pause, and Pullback. You can also use the foot pedal or the Cycle Start
button to dispense a single dot of fluid. You are in PROGRAMMED DISPENSE mode when the light next to the
“hand” icon is off.
Cycle Start
The Cycle Start button serves the same purpose as the foot pedal.
Cycle Start in PROGRAMMED DISPENSE Mode
• In PROGRAMMED DISPENSE mode, pressing the Cycle Start button once will return you to the Home screen.
Pressing it a second time will dispense a single deposit.
NOTE: Pressing the Cycle Start button accidentally while already in a dispense cycle can abort your program.
Therefore, we recommend that you use the foot pedal (instead of Cycle Start) to activate the dispense cycle.
Cycle Start in MANUAL Mode
• In Manual mode, pressing the Cycle Start button once cancels the Manual selection and returns you to
Programmed Dispense mode and the Home screen.
Features & Controls: Front Panel
Program number Reset
Barrel
select
Manual /
programmed
dispense select
Cycle
Start
Home
Jog
Shot count /
Volume
Reset
shot count
Manual
dispense rate
Decrease
Pullback /
back
Increase
Deposit volume / forward
Pause
F1
F2
F3
F4
Ultimus IV Series Dispensers
12 www.nordsonefd.com [email protected] [phone] Sales and service of Nordson EFD dispensing systems are available worldwide.

Program Number
In both PROGRAMMED DISPENSE and MANUAL mode, select the Program Number by pressing the prg
button. The Program Number will flash. Use the (+) or (-) buttons to change or select the Program Number as
needed. For more details, see the Program Function section on page21.
Barrel Select
In both PROGRAMMED DISPENSE and MANUAL mode, pressing the top Single Barrel Select button activates
the screen for the barrel size menu and pre-set dispense rates.
• Press the F1 button to set the barrel size. Use the (+) or (-) buttons to scroll through the various size options.
• Press the F3 button to set the Dispense Rate. Select Low, Medium, or High.
The dual barrel select button is not active.
Reset
In PROGRAMMED DISPENSE mode, press the Reset button to reset a range of variables, depending on the
screen selected. Reset choices include syringe barrel volume level to 100%, Dispense Volume to 0 cc, Pause to
0 ms, Pullback to 0 steps, and Dispense Rate to the lowest minimum value possible, depending on the selected
syringe barrel size.
NOTE: To reset Shot Count, use the F4 button.
In MANUAL mode, the Reset button is not active.
Features & Controls: Front Panel (continued)
Program number Reset
Barrel
select
Manual /
programmed
dispense select
Cycle
Start
Home
Jog
Shot count /
Volume
Reset
shot count
Manual
dispense rate
Decrease
Pullback /
back
Increase
Deposit volume / forward
Pause
F1
F2
F3
F4
Ultimus IV Series Dispensers
13www.nordsonefd.com [email protected] [phone] Sales and service of Nordson EFD dispensing systems are available worldwide.

Home (F1)
In both PROGRAMMED DISPENSE and MANUAL mode, pressing the F1 button activates the “Retract to Home”
screen. This step is required to remove the syringe barrel and / or when you want to prepare the unit for storage or
shipping.
• Choose Yes by pressing the F3 button. This will fully retract the plunger.
• Choose No by pressing the F4 button. This will return you to the Home screen.
Jog (F2)
In PROGRAMMED DISPENSE mode, pressing the F2 button activates the Jog screen. Jog allows you to make
small adjustments to the position of the plunger as it extends forward. Press and hold F2 until the “g” of Jog is
highlighted. Use the FORWARD and BACK buttons to move the plunger slightly in either direction as needed.
In MANUAL mode, the F2 button is not active.
Features & Controls: Front Panel (continued)
Program number Reset
Barrel
select
Manual /
programmed
dispense select
Cycle
Start
Home
Jog
Shot count /
Volume
Reset
shot count
Manual
dispense rate
Decrease
Pullback /
back
Increase
Deposit volume / forward
Pause
F1
F2
F3
F4
Ultimus IV Series Dispensers
14 www.nordsonefd.com [email protected] [phone] Sales and service of Nordson EFD dispensing systems are available worldwide.

Shot Count / Deposit Volume (F3)
In PROGRAMMED DISPENSE mode, pressing the F3 button lets you toggle between Shot Count and Deposit
Volume.
• Shot Count displays and tracks the number of deposit cycles. You can reset the Shot Count display to 0 by
pressing the F4 button.
• Deposit Volume displays the current volume programmed in cc’s.
In MANUAL mode, the F3 button is not active.
Other F3 commands:
• From the Retract to Home screen, F3 allows you to select the Yes option.
• After you press the Barrel Select button, F3 allows you to set the Dispense Rate.
• From the Modify screen, F3 allows you to adjust the syringe barrel specification for diameter. (See Modify
Function, page23.)
Reset Shot Count (F4)
In both PROGRAMMED DISPENSE and MANUAL mode, the F4 button is not active until you are in the screens
noted below.
• From the Shot Count screen (F3), the F4 button allows you to reset the Shot Count to 0.
• From the Retract to Home screen (F1), F4 allows you to select the No option.
• From the Modify screen, F4 allows you to adjust the syringe barrel specifications for stroke. (See See Modify
Function, page23.)
Features & Controls: Front Panel (continued)
Program number Reset
Barrel
select
Manual /
programmed
dispense select
Cycle
Start
Home
Jog
Shot count /
Volume
Reset
shot count
Manual
dispense rate
Decrease
Pullback /
back
Increase
Deposit volume / forward
Pause
F1
F2
F3
F4
Ultimus IV Series Dispensers
15www.nordsonefd.com [email protected] [phone] Sales and service of Nordson EFD dispensing systems are available worldwide.

Features & Controls: Front Panel (continued)
Deposit Volume / Forward
In PROGRAMMED DISPENSE mode, press the Forward button to activate the Deposit Volume screen. Use the
(+) or (-) buttons to change the deposit volume as needed.
Deposit volume, measured in cc’s, is automatically linked to Forward steps in the Ultimus IV stepper motor. When
you increase the cc setting, it automatically increases the number of Forward steps. The maximum number of
Forward steps is 65,534.
Deposit Volume is displayed when you press the F3 / Shot Volume button.
In MANUAL mode, pressing and holding the Forward button will extend the plunger from the cable assembly.
Pause
The Pause function “pauses” the action of the plunger during a dispense cycle, acts as a settling period, and
allows the relief of back pressure between Forward and Pullback steps. Pause is helpful when you are dispensing a
large amount of material with a very small tip. In most cases you will not need to use the Pause function.
In PROGRAMMED DISPENSE mode, press the Pause button to insert an end-of-cycle pause. Use the (+) or (-)
buttons to set the Pause time.
In MANUAL mode, the Pause button is not active.
• Pause is measured in milliseconds. The maximum Pause is 60,000 ms (one minute).
• The default setting for Pause is 0 ms.
Program number Reset
Barrel
select
Manual /
programmed
dispense select
Cycle
Start
Home
Jog
Shot count /
Volume
Reset
shot count
Manual
dispense rate
Decrease
Pullback /
back
Increase
Deposit volume / forward
Pause
F1
F2
F3
F4
Ultimus IV Series Dispensers
16 www.nordsonefd.com [email protected] [phone] Sales and service of Nordson EFD dispensing systems are available worldwide.

Features & Controls: Front Panel (continued)
Pullback / Back
Pullback sets the number of steps that the plunger will retract into the cable assembly in preparation for the
next dispense cycle. Be conservative when setting the Pullback. With thick fluids, too much Pullback can disengage
the plunger from the piston. With thin fluids, excess Pullback can introduce air into the syringe barrel.
In PROGRAMMED DISPENSE mode, press the Back button to activate the Pullback screen. Use the (+) or (-)
buttons to change the number of Pullback steps as needed.
• Use Pullback to eliminate dripping and oozing. We recommend a minimum Pullback of 200 steps for low viscosity
fluids.
• For thicker fluids, set the Pullback to 300 steps or more.
• In general, adjust Pullback in small increments of 50 steps at a time for best results. Press the foot pedal to
dispense, and visually check the deposit. Adjust Pullback again if necessary. When setup is correct, there should
be no oozing or dripping.
• The maximum number of Pullback steps is 20,000.
• The default setting for Pullback is 200 steps.
In MANUAL mode, press and hold the Back button to manually retract the plunger as needed.
Program number Reset
Barrel
select
Manual /
programmed
dispense select
Cycle
Start
Home
Jog
Shot count /
Volume
Reset
shot count
Manual
dispense rate
Decrease
Pullback /
back
Increase
Deposit volume / forward
Pause
F1
F2
F3
F4
Ultimus IV Series Dispensers
17www.nordsonefd.com [email protected] [phone] Sales and service of Nordson EFD dispensing systems are available worldwide.

Features & Controls: Front Panel (continued)
Manual Dispense Rate
In both PROGRAMMED DISPENSE and MANUAL mode, pressing the Turtle button allows you to manually set
the Dispense Rate. Use the (+) or (-) buttons to change the speed manually if needed. In most cases, however, we
recommend that you simply use one of the preset Dispense Rates.
1. Press the Single Barrel Select button.
2. Press F3 to access the Dispense Rate options.
3. Select Low, Medium or High.
Dispense Rate is based on cc’s per second. For best results, use the slowest Dispense Rate practical for your
application. In general, start with the preset default rate of Medium. Slower dispense rates give you better
repeatability, since they create less fluid compression. This helps prevent oozing.
Increase and Decrease
In both PROGRAMMED DISPENSE and MANUAL mode, press the (+) or (-) button to change a number of variables,
including Program Number, Deposit Volume, Dispense Rate, Pause milliseconds, Pullback steps, and more.
When the (+) or (-) buttons are pressed briefly, the settings will adjust slowly. When the (+) or (-) buttons are pressed
and held, the settings will adjust faster.
Program number Reset
Barrel
select
Manual /
programmed
dispense select
Cycle
Start
Home
Jog
Shot count /
Volume
Reset
shot count
Manual
dispense rate
Decrease
Pullback /
back
Increase
Deposit volume / forward
Pause
F1
F2
F3
F4
Ultimus IV Series Dispensers
18 www.nordsonefd.com [email protected] [phone] Sales and service of Nordson EFD dispensing systems are available worldwide.

Connect foot
pedal
On / Off Connect I/O
Power Input
Features & Controls: Back Panel
Ultimus IV Series Dispensers
19www.nordsonefd.com [email protected] [phone] Sales and service of Nordson EFD dispensing systems are available worldwide.

Attaching the Barrel / Purging the Tip
NOTE: Stay in MANUAL mode for all steps to attach the barrel.
1. Unscrew and remove the barrel retainer from the adapter.
2. Put a tip cap on the syringe barrel and hold barrel next to the flexible cable assembly.
3. From MANUAL mode (Hand icon light on), advance the plunger by pressing the Forward button, just until the
plunger reaches past the piston.
4. By hand, insert the plunger into the barrel, pressing it snugly into the piston.
When the plunger fits into the piston, stop pressing Forward. If you continue, excess pressure can build inside the
barrel and may cause it to burst, resulting in serious injury.
WARNING
5. Press the Pullback button to retract the barrel until there is just a small gap between the barrel and the adapter.
6. Slide the barrel retainer over the barrel and thread one turn onto the adapter.
7. Replace the tip cap with a dispense tip. Tighten the barrel retainer.
8. Still in MANUAL mode, press the foot pedal to purge the dispense tip. Press until fluid almost fills the tip and
dispenses. Be sure not to overfill the tip since this results in excess back pressure, which can cause oozing.
NOTE: See the handout provided with your Ultimus IV dispenser, “Syringe Barrel Attachment Guide,” for
simple, step-by-step instructions.
Flexible cable assembly without the syringe barrel
Adapter
Plunger
Barrel retainerPiston
Flexible cable assembly with the syringe barrel
Plunger Adapter
Attaching the Syringe Barrel
Removing the Syringe Barrel
1. Press F1 to open the Retract to Home screen. Select Yes. This will retract the plunger into the cable assembly.
2. Unscrew the barrel retainer from the adapter.
3. Slide the syringe barrel off the plunger.
4. Discard the barrel, or if storing for later use, replace the dispense tip with a tip cap.
5. Screw the barrel retainer back onto the adapter.
Ultimus IV Series Dispensers
20 www.nordsonefd.com [email protected] [phone] Sales and service of Nordson EFD dispensing systems are available worldwide.