Drucker Diagnostics HORIZON 24 Flex-AH User manual

HORIZON
Model 24 Flex-AH
Operator’s Manual

TABLE OF CONTENTS
Symbols...............................................................................................................................................................1
Model Description ..............................................................................................................................................2
Features .....................................................................................................................................................................2
Intended Use .............................................................................................................................................................2
Warranty....................................................................................................................................................................2
Caution and Warning Statements.......................................................................................................................3
Initial Setup .........................................................................................................................................................4
Operation............................................................................................................................................................4
Quick Start ..........................................................................................................................................................5
Display Cycle Count.............................................................................................................................................6
Add a New Program Cycle...................................................................................................................................6
Naming a Newly Added Program Cycle ..............................................................................................................7
Deleting a Program Cycle....................................................................................................................................8
Cycle Lock............................................................................................................................................................8
Settings ............................................................................................................................................................... 8
Loading................................................................................................................................................................9
Bucket Alignment ......................................................................................................................................................9
Balancing Loads .........................................................................................................................................................9
Care and Preventative Maintenance ................................................................................................................10
Cleaning and Disinfection .................................................................................................................................10
Calibration Testing ............................................................................................................................................11
Troubleshooting................................................................................................................................................11
General Specifications ......................................................................................................................................13
Calculating the G-Force.....................................................................................................................................13

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Symbols
Symbol
Definition
Use
Caution
Caution to safety hazard.
Potential risk of personal injury or damage to the instrument if
improperly handled. Consult the manual before proceeding.
Manufacturer Manufacturer of record
Electrical and electronic
products recycling
symbol
Recycle only as electronic waste. Do not dispose in normal
waste
RoHS Compliant Compliance with RoHS environmental standards
CE Mark
Denotes conformity to specific European directives and
regulations.
MET Listing Denotes conformity to specific safety standards and regulations.
UK Mark Denotes conformity to specific UK directives and regulations.
FDA LISTED FDA Listed Denotes that the product has been properly listed with the FDA.
ISO Certification
Denotes conformity to quality standards and quality
management systems.

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MODEL DESCRIPTION
Satisfy your lab’s most diverse processing requirements with the HORIZON 24 Flex-AH. Customize settings and
check every detail on the digital display. Choose from 2 presets or program up to 8 custom cycles to produce high-
quality samples.
This general-purpose laboratory centrifuge may also be used to spin approved containers with biologics, chemicals
(non-flammable, non-explosive, non-volatile, and non-highly reactive), and environmental samples.
FEATURES
o The first two (2) cycles are conveniently pre-set and labeled for your lab’s most common applications. Use the
default cycles or customize them as needed.
o A time and speed/g-force can be quickly entered for a single use cycle. The cycle will be retained in memory and
can be easily edited later.
o If desired, the control panel can be temporarily locked on one cycle, ideal for standardization to a single spin.
o A Preset Lock can be turned on to allow users to run only the selected cycle.
o Up to eight (8) additional cycles can be programmed for time, speed, and braking and labeled with a custom
name. Cycles can be programmed by g-force (RCF) or speed to facilitate matching validated cycles and tube
manufacturers’ IFUs.
o A digital cycle counter tracks the number of cycles the centrifuge has run.
o Lid lighting indicates the centrifuge’s status (ready, running, done), informing the operator when tubes are ready
for the analyzer and preventing tubes from being left in the centrifuge longer than necessary (patent pending).
o A traditional audible alert indicates the completion of the cycle.
o Cool–Flow design prevents overheating of samples by using ambient air to keep specimens at room temperature.
o A clear lid permits safe observation of samples and optical calibration of speed.
o The lid safety system prevents the centrifuge from operating unless the lid is closed and latched.
o The lid safety system only allows entry into the centrifuge after the rotor has completely stopped.
o The high-power brushless motor provides years of operation with no routine maintenance.
INTENDED USE
General purpose laboratory centrifuge intended for the density-based separation of fluids through centripetal
acceleration.
WARRANTY
Drucker Diagnostics warrants that this centrifuge is free from defects in workmanship and parts for two (2)
years.

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CAUTION AND WARNING STATEMENTS
This device is intended to be operated by properly trained personnel who have carefully read the
operating manual and are familiar with the function of the device. [Refer to the clinical laboratory
method specified by the specimen receptacle manufacturer or established by the medical technology
for the products applications.]
WARNING: For the safety of both the operator and service personnel, care should be taken when using
this centrifuge if handling substances that are known to be toxic, radioactive or contaminated with
pathogenic microorganisms. Use appropriate personal protection equipment (PPE). When Risk Group II
materials are used, (as identified in the World Health Organization “Laboratory Bio-Safety Manual”), a Bio-
Seal should be employed. In the event that materials of a higher risk group are being used, more than one
level of protection must be provided. The use of flammable or explosive materials as well as those
materials which have a vigorous chemical reaction is prohibited.
Unplug the centrifuge before cleaning or performing maintenance.
WARNING: Inspect centrifuge for cracks or physical damage to cabinet, lid, rotor, or buckets. Damage may
result in unsafe operation. Discontinue use until repairs have been performed.
This equipment generates, uses, and can radiate radio frequency energy, and if not installed and used in
accordance with this operator manual, may cause interference to radio communications. See last page for
compliance details.
Operation of this equipment in a residential area may cause interference, in which case the user will be
required to correct the interference at his own expense.
Do not autoclave carbon fiber buckets.
WARNING: Do not make modifications to or remove any hardware from rotor without prior authorization
from Drucker Diagnostics.
Users of centrifuge should validate the processing of their disposable for their specific application prior to
use.
The maximum combined weight allowed to be loaded into each carrier (including Drucker provided
components) shall not exceed maximum specification. Refer to General Specifications section for
maximum carrier load specification.
WARNING: Maximum sample weight per bucket is 60 g.
WARNING: Only use Drucker Diagnostics components in this centrifuge.

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INITIAL SETUP
o Unpack and verify that all the following are included:
• Centrifuge
• Power cord
• Buckets
• Quick Start Insert
o Setup the centrifuge on flat and level surface. A bench top clearance height of 21” (54 cm) is required to open
the lid.
o The centrifuge should have 6” (15 cm) of clear space around the centrifuge. Proper ventilation is necessary to
prevent the overheating of samples as well as premature failure of the centrifuge. Choose an area which allows
unencumbered air flow, and where the temperature remains between 16°C and 32°C (60°F and 90°F).
o No hazardous material shall be permitted in the clearance envelope during operation.
o The operator time within the envelope shall be limited to the time necessary for loading, unloading, and
centrifuge operation only.
o Plug the line cord into the centrifuge.
o Plug the line cord into an approved electrical outlet.
BE SURE THE ELECTRICAL OUTLET IS ALWAYS ACCESSIBLE AS THE LINE CORD IS THE MEANS OF EMERGENCY
DISCONNECTION!
OPERATION
o Place the tubes into the buckets. Be sure to follow the rules for balanced loads as listed in the next section.
o Close the lid and turn the lid knob clockwise to its complete stop position.
o The digital screen shows the currently selected cycle. To select another cycle, press the CYCLE button in
succession until the desired cycle is selected.
o Pushing the START button on the control panel will start the spin cycle.
o When the cycle is completed, the rotor will slow to a complete stop and the lid light will flash.
o The unlocking mechanism will engage for 60 seconds allowing entry into the rotor chamber. To unlock after more
than 60 seconds have elapsed, press the UNLOCK button. The lid will unlock for another 15 seconds.
o Turn the lid knob counterclockwise and open the lid. The lid light will turn off.
YOU MAY NOW SAFELY REMOVE THE SAMPLES

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QUICK START
The top screen display alternates between the name of the currently selected speed. The bottom screen displays
the time setting. For convenience, the first two cycles are preset as shown and can be reprogrammed to your
validated cycles:
ACP
This setting is factory preset to 1,500 RPM @ 5 minutes
ADIPOS
This setting is factory preset to 2,500 RPM @ 4 minutes
Cycle Selection
Start
Press the CYCLE button to select the desired saved cycle.
Begins running the cycle displayed on the screen. The lid must be
closed.
Unlock Allows access into the rotor chamber by engaging the unlocking
mechanism. Entry is only possible when the rotor is stopped.
Stop Pressing the UNLOCK button during operation will terminate the
run and unlock the lid after the rotor has come to a stop.
Start Begins running the cycle displayed on the screen. The lid must be
closed.

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DISPLAY CYCLE COUNT
Open Lid
Display Cycle Count
With the lid open and the unit powered, press and hold the START
button. The cycle count will be displayed until the START button is
released.
ADD A NEW PROGRAM CYCLE
Programs can be edited as needed by selecting and changing desired parameters.
Enter Program
Mode Press the RCF (xg) button.
Setting Speed
To change the speed (RPM) shown on the top display, use the up
and down buttons next to that screen. The CYCLE number is
replaced with a “--“ in the display, and the top screen displays the
speed.
Setting Time Press the up and down buttons next to the TIME display.
Change Brake
Values
Enter the Settings mode by pressing the GEAR button.
Press the down key next to the top screen until it shows “Brake”.
To change the value shown on the BRAKE display, use the up and
down buttons next to the BRAKE screen.
Press the GEAR button again to save.
Save the
Setting Save the program by pressing the START button.

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NAMING A NEWLY ADDED PROGRAM CYCLE
Open Lid
Display Cycle
Count Using the CYCLE button, navigate to the program you wish to edit.
Enter Program
Mode Press the GEAR button
Select Location
On the RPM screen, use the UP and DOWN arrows to toggle to the
existing memory location you want to rename. The screen will
display the selected location (ex. MEM-4).
NOTE: Any non-preset memory location can be overwritten.
Enter Cursor
Mode Press the START button to enter cursor mode.
Change
Characters
Use the UP and DOWN arrows in RPM screen to change
characters.
Move to the
Next Character
Use the right and left arrow buttons (START and STOP/UNLOCK) to
move to the next character.
Exit Cursor
Mode Press the GEAR button twice to exit cursor mode.
Save Setting Press the START button to save your cycle name.

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DELETING A PROGRAM CYCLE
Open Lid,
Select Cycle
With lid open, use the CYCLE button to toggle to program to be
deleted. Press and hold CYCLE button for 5 seconds until DELETE
shows on screen.
Delete Cycle While still holding CYCLE button, press RCF button.
CYCLE LOCK
To ensure repeatability, the centrifuge can be locked to any one cycle (Single Cycle Lock).
Lock on
Single Cycle
Select desired cycle. With lid open, press and hold the UNLOCK
button for 5 seconds. Two beeps and a flash of the lid light will
confirm that cycle selection is locked.
Cancel Single
Cycle Lock
To re-enable cycle selection, with lid open, press and hold the
UNLOCK button for 5 seconds. Two beeps and a flash of the lid
light will confirm that cycle selection is now unlocked.
SETTINGS
RPM
Time
G-Force
ACP
1,500
5 minutes
420 xg
ADIPOS
2,500
4 minutes
1,170 xg

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LOADING
BUCKET ALIGNMENT
To ensure proper operation, align buckets and rotor at the arrow points circled below.
BALANCING LOADS
Your centrifuge must contain a balanced load to work properly. Spinning balanced loads will extend the life of the
centrifuge and produce better results. Use the following rules when loading the rotor. If an odd number of samples
is to be spun, fill a tube with water to match the weight of the unpaired sample and place it across from this sample.
Opposing buckets must be equally loaded or empty or loaded with equally weighted samples.
All buckets in rotor must be from the same manufacturing lot.

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CARE AND PREVENTATIVE MAINTENANCE
With proper care and maintenance, your centrifuge will provide years of laboratory service. For proper care, the
following steps should be taken:
o Always Spin Balanced Loads: Make certain that you are always spinning a balanced load, as shown in the
previous section. These centrifuges have a unique counter balanced motor mounting design which produces
excellent vibration dampening. However, out–of–balance loads may break glass test tubes and may produce
unsatisfactory separation results. Proper load balancing will improve sample separation and extend the life of
the centrifuge.
o Motor and Electrical Maintenance: The highest quality electrical components have been selected for the
centrifuges and should not need maintenance or servicing for the life of the centrifuge.
o Bucket Replacement: It is recommended that the buckets be replaced after 24 months of use. Inspect buckets
regularly for cracks. If cracks are discovered, replace immediately.
o Remove Accessories Before Moving: All buckets, samples, and accessories must be removed from the rotor
chamber before transporting or storing the centrifuge to prevent damage and injury.
CLEANING AND DISINFECTION
To prolong the life of the centrifuge, cleaning and disinfection is recommended every six months or whenever there
is a spillage or tube breakage. Contaminants must be removed immediately, or corrosion and premature
degradation of components can occur. Before using any cleaning or decontamination methods other than those
recommended by the manufacturer, users should verify with the manufacturer that the proposed method will not
damage the equipment.
o Unplug the centrifuge before cleaning.
o Use appropriate personal protective equipment (PPE).
TBQ GERMICIDAL PRODUCTS ARE NOT RECOMMENDED AS THEY MAY CAUSE DAMAGE TO THE
CENTRIFUGE.REFRAIN FROM USING TO PREVENT VOIDING THE WARRANTY.
o Fully/partially halogenated hydrocarbons, ketones, esters, ethers, benzyls, ethyl benzenes, and all other
chemicals not prescribed by the manufacturer shall not be used as they may cause damage to the rotor chamber,
rotor, buckets, accessories and centrifuge exterior and void the warranty.
o Apply cleaning solutions with a towel or cloth. Do not submerge the centrifuge in water or other cleaning
solutions as this will cause damage and void the warranty.
o ONLY isopropyl alcohol or a 10% (5500 PPM) bleach solution should be used to disinfect the centrifuge and its
accessories.
o All surfaces must be dried immediately after cleaning and disinfecting.

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CALIBRATION TESTING
It is recommended that the top speed be tested every two years for continued safe operation. Contact Drucker
Diagnostics for further information or testing availability.
TROUBLESHOOTING
NOTE: The latch must be turned completely clockwise to its stop position for the centrifuge to operate.
The centrifuge does not run
o Verify that the centrifuge is powered. One of the LED lights
should be on.
o If “Lid not closed” message is displayed, make sure the lid latch
is turned completely clockwise to its stop position.
o If the centrifuge still does not run, contact Customer Service.
The rotor does not spin freely
oMake sure nothing has fallen into the rotor chamber,
following the procedure above.
o If nothing obstructs the rotor, the rotor may be damaged.
Contact Customer Service for further assistance.
The centrifuge makes a rattling noise
when running
o Stop the centrifuge. Open the lid.
o Wearing personal protective equipment (PPE), remove tubes
and buckets and look for fallen objects or debris. Carefully
reach inside the rotor chamber with a tool to remove them.
o Inspect the rotor and buckets for damage.
o If the buckets have any damage, even slight, safely dispose of
them and replace them.
o If the rotor appears damaged, contact Customer Service for
further assistance.
Excessive noise or vibration when the
centrifuge is running
o Verify that all four centrifuge feet are properly seated on a flat
surface.
o Ensure that the load is balanced according to instructions in the
“Balancing Loads” section of this manual.
o
Make sure that nothing has fallen into the rotor chamber.
“Abort” is displayed on the top screen
The centrifugation cycle has been interrupted.
The centrifuge stops and beeps
continuously
The load is not balanced. Press the UNLOCK button, open the lid,
and balance the load according to the instructions in the “Balancing
Loads” section of this manual.
The centrifuge is stuck on one of the
settings
Cycle selection is locked. Press the UNLOCK button for 5 seconds.

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Only a few cycles can be accessed
The Preset Lock is active. To deactivate it, press the UNLOCK
button for 5 seconds, until you hear 2 beeps, then again until the
next 2 beeps. All cycles can now be accessed and/or amended.
The cycle time and speed are not set to
the desired value
Check the setting by following the instructions in the section on
Setting or Modifying a Saved Cycle. If the preset is not the desired
length, follow the procedure on the same page to change the
preset time.
Cycle parameters cannot be changed
o If cycle selection is locked on one cycle, press the UNLOCK
button for 5 seconds. Then, press the GEAR button and follow
the instructions elsewhere in this manual.
o If different saved cycles can be selected but not modified, the
centrifuge is in Preset Lock mode. Press the UNLOCK button for
5 seconds until two beeps are heard, then again until the next
two beeps. You should now be able to change cycle parameters.
The centrifuge does not unlock after a
run is completed
o Wait until the rotor has come to a complete stop. If the lid knob
still cannot be rotated, press the UNLOCK button and try again.
o If no LED light is on, the unit is
not powered, and the lid will not
unlock by conventional means.
Remove the latch label and use a
pen to manually disengage the
locking mechanism. Pull the
mechanism towards the control
panel and then unlatch and open
the lid.
o If the unit is damaged, contact Customer Service for assistance.
The lid does not open
o Ensure that the lid knob is turned fully counterclockwise.
o If the knob cannot be turned counterclockwise, turn it fully
clockwise, press UNLOCK, and turn counterclockwise.
o If the lid remains locked after this and will not unlock, the
electronics may have been damaged. Contact customer service
for assistance.
Lid does not stay up
o Tighten the center screw on the lid hinge.

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GENERAL SPECIFICATIONS
The rotor and accessories are rated for the maximum rotation frequency shown in the table below.
Tube Capacity 4 tubes (140 mL)
Dimensions (H x W x D) 15 in x 17 in x 9 in
(38 cm x 43 cm x 23 cm)
Weight 39 lbs. (17 kg)
Sound Level 75 dB A
Environmental Range 16 – 32° C
Voltage 95 -253 VAC
Frequency 50/60 Hz
Power Requirement 350 Watts
Centrifuge Motor ½ H.P. Brushless
Max Speed 4,000 RPM
Max G-Force 3,000 xg
Cycle Time .5 to 99 minutes (+/- 2%)
Max Carrier Load 140.0 grams
CALCULATING THE G-FORCE
The I.F.U.s of tube manufacturers recommend cycles at a minimum G-Force, which can be calculated if you know
the RPM and the radius. Use the formula below or go to www.druckerdiagnostics.com/g-force-calculator/.
In Centimeters:
RCF or G-force = 0.00001118 x
Rotor Radius (cm) x (RPM)2
In Inches:
RCF or G-force = 0.0000284 x
Rotor Radius (in) x (RPM)2
Radius
6.6 in (16.7 cm)

Product Family: HORIZON Flex Series (HORIZON 24 Flex-AH, 24 Flex-AV)
Complies with UL61010-1/CSA C22.2 No. 61010-1 and IEC61010-2-020
Protected by U.S. Patents #6,811,531, # 7,422,554, #D718,463, & #D734,489. Other Patents Pending
FDA LISTED
INSTRUCTIONS FOR DISPOSAL OF WEEE BY USERS IN THE EUROPEAN UNION
This product must not be disposed of with other waste. Instead, it is the user’s responsibility to
dispose of their waste equipment by handing it over to a designated collection point for the
recycling of waste electrical and electronic equipment. The separate collection and recycling of
your waste equipment at the time of disposal will help to conserve natural resources and ensure
that it is recycled in a manner that protects human health and the environment. For more
information about where you can drop off your waste equipment for recycling, please contact
your local city office, waste disposal service, or where you purchased the product.
200 SHADY LANE,SUITE 170 –PHILIPSBURG,PA 16866, USA
[phone] (U.S. ONLY)-[phone]
[e-mail]
DRUCKERDIAGNOSTICS.COM
This operator’s manual is part number 03-0-0002-0159 Rev. D