GYROZEN 1736R User manual

Large Capacity, High Speed Centrifuge 1736R – Service manual
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1. Model: Large Capacity, High Speed Centrifuge 1736R
2. Manufacturer: Gyrozen Co., Ltd.
3. Service: BMS Co., Ltd. Technical Service Team, 82-2-3471-8171
Gyrozen Co., Ltd Customer Service Team, 82-70-8620-5350
# C08DC00304-11

Large Capacity, High Speed Centrifuge 1736R – Service manual
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CONFIDENTIAL
Table of Contents
1. Operating Instruction .......................................................................................................................................... 4
1.1 About this manual ..................................................................................................................................... 4
1.2 Safety label and safety precautions .................................................................................................. 4
1.2.1 Safety Label ...................................................................................................................................... 4
1.2.2 Safety Precaution ........................................................................................................................... 5
2. Installation ................................................................................................................................................................ 6
2.1 Positioning ....................................................................................................................................................... 6
2.2 Leveling ............................................................................................................................................................. 6
2.3 Installation procedures .............................................................................................................................. 6
3. Device Information .............................................................................................................................................10
3.1 Special qualities ...........................................................................................................................................10
3.2 Technical Specifications ........................................................................................................................10
3.3 Outer Description .......................................................................................................................................11
3.4 Operating function of control panel .................................................................................................13
3.5 Operating System ......................................................................................................................................15
3.6 Main Control Board ...................................................................................................................................16
3.7 Display Control Board ..............................................................................................................................17
3.8 I/O Board ........................................................................................................................................................18
4. Disassembling .......................................................................................................................................................19
4.1 Front panel and controller board .......................................................................................................19
4.2 Door Assembly ............................................................................................................................................20
4.3 Door Lock Assembly .................................................................................................................................20
4.4 DC Gear Motor Assembly ......................................................................................................................21
4.5 Motor assembly ..........................................................................................................................................22
4.6 Anti-vibration Rubber ............................................................................................................................22

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4.7 Imbalance sensor Assembly ..................................................................................................................23
4.8 RPM sensor holder Assembly ...............................................................................................................23
4.9 Compressor Fan ..........................................................................................................................................24
4.10 Motor Fan ....................................................................................................................................................24
5. Service mode and Adjustment .....................................................................................................................25
5.1 Transition into service mode <Ver 1> .............................................................................................25
5.2 Handling values <Ver 1>..........................................................................................................................25
5.1 Transition into service mode <Ver 2> ..............................................................................................26
5.2 Handling values <Ver 2>...........................................................................................................................26
5.3 Procedure for Imbalance adjustment <Ver 1> .............................................................................28
5.3 Procedure for Imbalance adjustment <Ver 2> ...............................................................................29
5.4 Door lock adjustmemt ..............................................................................................................................30
6. Error code and Troubleshooting .................................................................................................................31
6.1 Error code ......................................................................................................................................................31
6.2 Troubleshooting ..........................................................................................................................................33
7. Maintenance ..........................................................................................................................................................34
7.1 Cleaning and disinfection .......................................................................................................................34
7.2 Device test for centrifuge .......................................................................................................................35
7.2.1 Validation of actual RPM .......................................................................................................35
7.2.2 Validation of Motor performance ......................................................................................35
8. Parts Information ..............................................................................................................................................36
8.1 Assembly Drawing .....................................................................................................................................36
8.2 Part List ...........................................................................................................................................................42

Large Capacity, High Speed Centrifuge 1736R – Service manual
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1. Operating Instruction
1.1 About this manual
This service manual should be used by specialized engineers authorized by Gyrozen
Co., Ltd.
Any repairing work operated by non-authorized personnel cannot be protected and
guaranteed.
This service manual aims to find possible errors quickly and fix them properly.
Refer to the user’s manual for detailed operation of Centrifuge.
Do not copy or reprint without approval
1.2 Safety label and safety precautions
1.2.1 Safety Label
The labels attached to the device give information for safety.
Label Information Label Information
Attention label to show
risk and warning
Attention label to warn
electric shock

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1.2.2 Safety Precautions
•Supply proper voltage power according to device’s power requirement.
•Let all repairing works done by authorized or qualified personnel.
•Use rotors or accessories which are approved by Gyrozen.
•Not try to open the lid and or move the device while the rotor is running.
•Operate the centrifuge with a rotor properly attached and secured to the shaft.
•Not use flammable, hazardous, explosive, or corrosive materials.
NOTE: When it is required to use toxic, radioactive materials or pathogenic micro-
organisms, which belong to the Risk Group II of WHO: “Laboratory Bio-safety Manual,”
should follow the regulation guidelines from WHO.
http://www.who.int/csr/resources/publications/biosafety/Labbiosafety.pdf)
•Keep away hazardous materials farther than 30 cm (12 in) from the device during
centrifugation, as recommended in IEC standards 61010-2-020.
•Keep the rpm or rcf under its maximum speed in the case that the density of sample
materials is greater than 1.2 g/ml to avoid rotor failure.
•Load samples symmetrically in the rotor diagonally to make balance between the tubes.
•Balance the load on the rotor totally to prevent the damage to the device even by using
several water-filled tubes.
•Place device on a flat, level, rigid and stable surface.
•Disconnect power supply prior to maintenance and service work to avoid electrical shock.
•Use proper disinfection procedures when centrifuging bio hazardous compounds.
When a blackout takes place while the device is running, the door does not open. And the
rotor speed begins to decrease at natural level. Even if the power turns on before the rotor
stops completely, the rotor does not return to the original speed, but decreases more rapidly
with buzzer sound.
The door is closed/opened automatically by a door lock unit operated by a motor, and it
will not be opened while the rotor is running at all. Even if the door is opened accidentally,
a door limit switch senses it instantly to make the rotor speed decrease.
If the rotor loses balance while running by any reason, it invokes vibration on the device
itself. In this case the Imbalance sensor senses it and makes the rotor begin to decrease with
preset level issuing Imbalance Error warning. This safety function protects the device from
damage during operation.
In Blackout
M
a
ke sure to
Door opening
Device vibration

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2 Installation
2.1 Positioning
On the declined place the weight of rotor can make the shaft warp in the long time running.
Smooth air circulation is needed to increase the cooling effect. So the space between the
device and wall should be larger than 12 inch(30cm). And dust should be kept away for it
can prevent air from flowing smoothly.
In the condition that temperature is too high, the cooling function cannot work effectively.
And in that too low, the electric parts can work unusually. And it that humidity is too high,
rotor can rust and electric part can get dew which invokes disorder.
Rotor and shaft can be corroded by some kind of gas such as Chlorine gas or sulfurous
acid gas. So this kind of gas should be kept out.
2.2 Leveling
The target place should be confirmed to be leveled by leveling bar.
2.3 Installation procedure
1) Unpacking
•Untie the plastic banding over the paper box and get lid of box from the device
main body
•Unwrap the vinyl coat surrounding the main body and remove stuffing cushion from
chamber
•Place the device on a proper place by moving device’s wheel
2) Delivery Check
•Rotor(Optional)
•Rotor lid open/close tool(with an order of large capacity & Fixed Angle rotors)
Main Product
Rigid and flat place
Air circulation
Air circulation
Temperature and humidity
Corr
osive gas

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Hexagonal T-wrench
Balancing level
Main body Wheel spanner
AC Power Cable Emergency door open Tool
User’s manual Lubricant(grease)
3) Electricity Check
•1736R model needs 110V or 220V voltage. Connect the device to adequate power
outlet.
•If the voltage power input is more than +/- 10% of the recommended voltage or
fluctuating frequently, it may affect some functions of the device. In that case it is
recommend to use AVR(Automatic Voltage Regulator)
•If you want to use the device under the other voltage range, please contact us for
safe usage
4) Removal of Safety Padding
1736R is delivered with its chamber filled with safety padding. As the 1736R has the
rotor auto-recognition function, the system unnecessarily tries to identify a rotor if
you turn on the power before fixing a rotor. In this case an error signal is issued
because of absence of the rotor. When this error appears, press ‘Enter’ button at the
Control panel and then press ‘DOOR’ button to open the door. Mount/re-mount the
rotor and press ‘START’ button to recognize the rotor again.

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5) Power on and opening door
Turn on the device by the switch on the right side of the machine.
Press the ‘Door’ button to open the door.
If it does not work (door not open), use the emergency door open tool
(as the figure)
<Ver 1> <Ver 2>
6) Balance Adjustment
The imbalance of the machine causes not only momentary troubles of vibration,
noise and error during operation but also ultimate damage on the device.
The following steps are recommended to check the balance status of a rotor
with a balancing level tool included.
Mount the rotor and place the
balancing level crisscross pattern on the
rotor.
Confirm that air bubble of window of the
balancing level is within the black lines.
To adjust the balance status, rotate the red
colored ring at the wheel caster clockwise or
counterclockwise until the device is well
balanced.

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7) Rotor assembling and disassembling
To assemble a rotor, mount the proper rotor onto the motor shaft.
Grasp the rotor with one hand, and put the rotor locking tool into the central
groove of the rotor. Finally rotate the tool clockwise until tightly assembled.
To disassemble the rotor, rotate the rotor locking tool counterclockwise.
To open or close the rotor lid, grasp the rotor with one hand and rotate the rotor
lid nut counterclockwise for opening, and clockwise for closing with the other
hand.

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3 Device Information
3.1 Special qualities
High safety and low noise
Wide range of Tube capacity from 1.5㎖ to 6x500㎖
Simultaneous display of rpm and rcf speed
Rotor ID recognition whenever operated in such mode as START, PULSE and FAST
COOL.
9 acceleration and 9 deceleration levels with additional gravity(natural) deceleration
Memory function available to 100 programs
Automatic alarm for imbalances, door open & temperature error
Environment friendly AC induction motor and R404a refrigerant
Mounted on lockable and level-adjustable casters
3.2 Technical Specifications
Fixed-Angle Rotor / Swing-out Rotor
Max. RPM 17,000 rpm / 4,000 rpm
Max. RCF 32,310 x g / 3,134 x g
Max. capacity 6 x 500㎖ / 4 x 250㎖
Control Microprocessor controlled
Range of temperature setting -20℃ to 40℃
Run time timed < 10 hr, or continuous
Noise level ≤60 dB
Acceleration levels 9 ramps from 1 to 9
Deceleration levels 10 ramps from 0 to 9
additional zero setting for natural deceleration
Display LCD
Rotor Identification Automatic
Imbalance cutout Yes
Safety lid lock Yes
Lid drop protection Yes
Power & Frequency AC220V (110V optional), 50~60Hz
Power Requirement 2,500 VA
Dimension (WxDxH) mm 473 x 600 x 840
Weight without rotor 110 Kg (main body only)
CE Certification Yes

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3.3 Outer Description
1) External parts
1 Striker 6 Door assembly
2 Center window 7 Chamber
3 Door stopper 8 Power switch
4 Control Panel 9 Wheel caster
5 Emergency door open hole

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2) Chamber parts
1 Chamber packing
2 Chamber
3 RPM Sensor holder assy
4 Temperature Sensor assy
5 Motor Packing
6 Hub
7 Ring Plate

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3.4 Operating Function of Control Panel
<Ver 1>
1) Display LCD: to show the RPM/RCF,TIME,TEMPERATURE display
2) Up & down arrow: Uses to change input data.
3) Fast Cool: for high-speed refrigeration up to the set temperature
4) Pulse: for quick and short running
5) RPM/RCF: to switch the RPM/RCF display
6) TIME: to set test time up to 9 hr 59 min 59 sec (0:00:00 continuous)
7) ACC/DEC: for setting the acceleration & deceleration level from 1 to 9 steps. ‘0’
step means natural gravity acc/dec, and increasing numbers mean faster speed
8) TEMP: for setting temperature
9) PROG: to save a set of setting values or call the saved setting values
10) Enter: for the completion of data setting
11) START/STOP: Uses to start & stop operation.
12) Door: to open the door.
* If you press the arrow button longer than 3 seconds, the numbers change rapidly and
the set-up is achieved faster.
2
3
4
5
6
8
7
9
10
11
12
1

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<Ver 2>
1. Display LCD : shows the data of each setting(RPM, RCF, Time, Temp, Acc/Dec,
Program)
2. TEMP : used to set test temperature
3. Numeric keypad : used to change(increase/decrease) the input data
4. RPM/RCF : used for switching RPM/RCF
5. TIME : used to set test time up to 9 hour 59 min (0:00, continuous)
6. Fast Cool( ) : used to refrigerate at high rate down to the setting temperature.
7. ACC/DEC : used to set the acceleration (deceleration ) level from 1(0) to 9 steps.
‘0’ step means natural dec level.
The bigger the number, the higher the acc/dec speed.
8. PROG : used to save or call the preserved setting values.
9. KEY LOCK : used to lock the button
10. AT SET SPEED : used to counts the run time once the actual run speed reaches to
the set speed value.
11. Enter( ): used to fix and save a setting value.
12. PULSE : used to accelerate to set RPM once and decelerate rapidly.
13/14. Start/Stop( ) : used to start/stop device operation.
15. Door( ) : used to open the door.
16. Beep( ) : used to set the beep sound.

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3.5 Operating System
1) DSPIC 30F4011, MICOM; It controls all devices.
2) SMPS; Distributes inlet power to each part as appropriate form.
3) Inverter; Transforms the single phase power to the 3 phase for running the AC
induction motor.
4) IPM FSBS5CH60; Controls the AC induction motor.
5) Solenoid; Open and close the door lid automatically.
6) Temp sensor; Measure the temperature of motor at its surface and issue E3 error if
too high(above 110℃).
7) Firmware program; Used to update the firmware with notebook and interfacing
connector.
Main board

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3.6 Main Control Board
<Ver 1>
<Ver 2>

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3.7 Display Control Board
<Ver 1>
<Ver 2>

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3.8 I/O Board

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4 Disassembling
4.1 Front panel and controller board
1) Remove 3 screws at the front bottom Case.
2) Detach the front bottom case pushing Down.
3) Detach all of the connector from Board(be sure to make a mark of position).
4) Remove 2 screws and detach the front case pushing up.
5) Detach the main controller board I/O board from the device.
6) If needed, the board bracket can be removed.
<Ver 1> (One Door Photo sensor) <Ver 2> (Two Door Photo Sensors)

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4.2 Door Assembly
↑
[PIC 2]
→
[PIC 1]
1) Remove the E-ring and door stopper pin at the door stopper. [PIC 1]
2) Remove 4 ea of M6x10 screws at the hinge part of the door assy.
3) Detach the door assy from the device.
4) If needed, the 2 hinges can be detached.
4.3 Door Lock Assembly
<Ver 1>
1) Detach the connectors of solenoid and door sensor from the main board.
2) Remove 4ea of M5x10 screws at the door lock assembly
3) If needed, door sensor or solenoid can be replaced.