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MaxQ Mini 4450 Shaker
MODEL NO.SHKA4450, SHKA4450CC
SHKA4450-1CE, SHKA4450CC-1CESHKE4450, SHKE4450CC
SHKE4450-1CE, SHKE4450CC-1CE
057-810-00 • 2/5/07
2
Table of Contents
Safety Information ..............................................................................................................................................3Alert Signals ................................................................................................................................................3Warnings ......................................................................................................................................................3
Product Profile ....................................................................................................................................................4Analog Control Panel Features ....................................................................................................................6Digital Control Panel Features ....................................................................................................................7
General Specifications ........................................................................................................................................8Unit’s Environmental Operating Conditions................................................................................................10
Unpacking and Installation ................................................................................................................................11Shipping Carton ..........................................................................................................................................11Unpacking ..................................................................................................................................................11Location ......................................................................................................................................................11Electrical Requirements ............................................................................................................................12Platform Installation....................................................................................................................................13Flask Clamp Installation ............................................................................................................................13Test Tube Rack Installation ........................................................................................................................14
Operation ..........................................................................................................................................................15Analog Units ..............................................................................................................................................15
Power Switch..........................................................................................................................................15Speed Control and Display ....................................................................................................................15Time(r) ....................................................................................................................................................15Temperature Controller/Setting Temperature ........................................................................................15Temperature Calibration ........................................................................................................................16Setting Hi-Limit Control ..........................................................................................................................18
Digital Units ................................................................................................................................................18Turning Shaker On ................................................................................................................................18Setting Shaking Speed ..........................................................................................................................19Calibrating Shaking Speed ....................................................................................................................19Setting Operating Temperature ..............................................................................................................19Setting Hi-Limit Control ..........................................................................................................................20AC Power Loss ......................................................................................................................................20Temperature Calibration ........................................................................................................................21Setting Timer for Timed Shaking ............................................................................................................22Setting Timer for Continuous Shaking....................................................................................................22Setting Timer for Continuous Timing ......................................................................................................23
RS232 Interface Port..................................................................................................................................23Hyperterminal Configuration ......................................................................................................................23Using the Optional Cooling ........................................................................................................................25
Troubleshooting ................................................................................................................................................26Over Temperature Protection ....................................................................................................................27
Maintenance......................................................................................................................................................28Cleaning ....................................................................................................................................................28
Replacement Parts............................................................................................................................................29Ordering Procedures ........................................................................................................................................31Warranty ............................................................................................................................................................32
3
Safety Information
WarningWarnings alert you to a possibility ofpersonal injury.
CautionCautions alert you to a possibility ofdamage to the equipment.
NoteNotes alert you to pertinent facts andconditions.
Hot SurfaceHot surfaces alert you to a possibilityof personal injury if you come in con-tact with a surface during use or for aperiod of time after use.
Alert SignalsYour Thermo Scientific MaxQ Mini 4450 Shakers havebeen designed with function, reliability, and safety in mind.It is your responsibility to install it in conformance withlocal electrical codes. For safe operation, please payattention to the alert signals throughout the manual.
This manual contains important operating and safety infor-mation. The user must carefully read and understand thecontents of this manual prior to the use of this equipment.
Warning• Do not modify construction and/or assembly of
equipment.
• Do not remove tags, labels, decals or other infor-mation from the unit.
• Stand clear of equipment when it is operating.
• If shaking action will result in the evolution ofgases or fumes, carry out the operation in awell-ventilated laboratory hood.
• Do not use equipment for other than its intendedpurpose use only the accessories and attach-ments that are shipped with the equipment orare specified for it. Substituting other attach-ments or accessories can produce hazards ormake the unit inoperative.
• Perform regular maintenance service as speci-fied in this manual and keep unit in good repair.Do not operate with known defects.
• Do not use the shaker to mix flammable materi-als or where the transfer of mechanical energyto glass could cause glass breakage.
Electric Shock Cautions you to risks of electric shock.
4
Product Profile
The Thermo Scientific MaxQ Mini 4450 bench top, incu-bated shakers are available in either analog or digital con-trol configurations:
• Analog shakers: SHKA4450, SHKA4450CC,SHKA44500-1CE and SHKA4450CC-1CE: con-trol temperature by a Proportional/ Integral/Derivative microprocessor-based controller.Solid-state control maintains time and speedand is adjustable with rotary dials. Analogtachometer displays speed in RPM, verifyingaccuracy of speed setting.
• Digital shakers: SHKE4450, SHKE4450CC,SHKE4450-1CE and SHKE4450CC-1CE: con-trol temperature, time and speed by aProportional/Integral/Derivative (PID) micro-processor-based controller that is adjustablewith membrane switches on a keypad in 1 rpmincrements. Flashing display indicates powerinterruption. Pressing any key will clear display.Non-volatile memory maintains speed and timeset points in the event of a power interruption.Speed and time set points are automaticallyreactivated after power is restored.
• Models SHKA4450CC, SHKA4450CC-1CE,SHKE4450CC and SHKE4450CC-1CE include acooling coil to allow a below ambient tempera-ture in the shaker's chamber.
• Temperature range 5ºC above ambient to 80ºC.
• Drive interrupt halts shaking action when lid isopened.
• All set points are retained by non-volatile memo-ry that automatically reactivates after power isrestored.
• Visual, user adjustable over-temperature safetysignal with independent thermostat controls theheat if main controller fails.
• 3/4 inch (1.9 cm) triple eccentric orbital drive.
5
PRODUCT PROFILE
• 6 permanently lubricated ball bearings.
• 35 lb (15.9 kg) platform load capacity at safespeeds less than 400 rpm for analog shakersand less than 500 rpm for digital shakers.
• UL, cUL and CE certification.
6
1. SPEED Control: Sets platform rotation speed.
2. HIGH-LIMIT Light: Illuminates when high limit thermostat is controlling temperature.
3. TEMPERATURE Controller: Maintains temperature.
4. TIME(R): Allows user to choose continuous timing or set timed operation.
5. Heat Switch: Activates heater, turns heat on and off.
6. Speed Tachometer: Analog display of platform rotation speed (RPM).
PRODUCT PROFILE
Analog Control Panel Features
1 2 3 4 5 6
1. SPEED Display: 3-digit LED indicates actual or set point speed2. Up Arrow Switch: Increases platform rotation speed3. Down Arrow Switch: Decreases platform rotation speed4. STOP Switch: Stops platform rotation5. START Switch: Starts platform rotation6. SPEED Light: Red light Illuminates when a locked rotor or over-speed condition exists7. RPM Light: Illuminates to indicate actual speed8. SET RPM Light: Illuminates when speed is being set9. POWER Switch: Turns power on and off to shaker10. TIME Display: 3-digit LED indicates time remaining or elapsed time11. Up Arrow Switch: Increases shaking time12. Down Arrow Switch: Decreases shaking time13. TIMER/ELAPSED: Allows the user to choose elapsed time operation, ELAPSED, or timed operation,
TIMER14. HOURS/MINUTES Membrane Switch: Allows user to choose timing operation in either hours or minutes15. TIMER: Allows the user to choose elapsed time operation, ELAPSED is the default setting. User must
press TIMER switch for timing operations16. HOURS: Timer indicates hours17. MINUTES: Timer indicates minutes18. SET TIME: Illuminates when time is being set19. Up Arrow Key: Increases temperature20. Down Arrow Key: Decreases temperature21. HEAT ON Switch: Turns on heat22. HEAT OFF Switch: Turns off heat23. HEAT ON Light: Indicates heaters are energized24. SET TEMP Light: Indicates temperature can be set25. TEMPERATURE Display: 3-digit LED indicates chamber temperature26. HIGH LIMIT Light: Indicates hi-limit control has been activated.
77
PRODUCT PROFILE
Digital Control Panel Features
1
23 4
5
6-8 9
10 11-12 1314
15-18
19-2021 22
23-24
2526
8
General Specifications
Catalog Number
ElectricalVoltage ACAmperageWattage
Frequency
Speed Accuracy
Timer
Display
Mutable Alarms
SHKA4450SHKA4450CC
1204.550060
40 to 400 rpm
Continuous or timedoperation from 1
minute to 60 minutes
LED display indicatestemperature in 0.1ºCincrements. Analogtachometer displays
speed in rpm
None
SHKA4450-1CESHKA4450CC-1CE
220-2402.2550050
40 to 400 rpm
Continuous or timedoperation from 1
minute to 60 minutes
LED display indi-cates temperature in
0.1ºC increments.Analog tachometerdisplays speed in
rpm
None
SHKE4450SHKE4450CC
1204.550060
15 to 500 rpm ±1 rpm
Continuous or timedoperation from 0.1
hour up to 999 hoursor 0.1 minute to 999
minutes
3 individual LED displays indicate temperature, time
and speed simulta-neously. 3 charac-
ters, height 1/2 inches (1.27 cm)
Audible portion of thealarm can be
silenced for a periodof 1 hour without
deactivating the actu-al alarm condition bydepressing any key.
SHKE4450-1CESHKE4450CC-1CE
220-2402.2550050
15 to 500 rpm ±1 rpm
Continuous or timedoperation from 0.1
hour up to 999 hoursor 0.1 minute to 999
minutes
3 individual LED displays indicate temperature, time
and speed simulta-neously. 3 charac-
ters, height 1/2 inches (1.27 cm)
Audible portion of thealarm can be
silenced for a periodof 1 hour without
deactivating the actu-al alarm condition bydepressing any key.
9
GENERAL SPECIFICATIONS
Catalog Number
Alarm Speed
Speed Shut Off
Timer
Unbalanced Load
Motor
Soft Start Feature
SHKA4450SHKA4450CC
None
None
Continuous operation(hold) or timed
operation from 1 to60 minutes.
None
Permanent Magnet DC
None
SHKA4450-1CESHKA4450CC-1CE
None
None
Continuous operation(hold) or timed
operation from 1 to60 minutes.
None
Permanent MagnetDC
None
SHKE4450SHKE4450CC
Audible with flashingled indicate when
speed deviates morethan 10% of set point
When speed deviates 10% of setpoint unit will shutdown immediately
Beeps twice whentime has expired.Shaking motion
stops.
If the unit is runningin an unbalanced
condition, an alarmwill sound and the
shaker will stop untilthe end user corrects
the condition. Thespeed display will
flash "bAL" on speedpanel LED.
Solid State BrushlessDC
Software algorithmsprevent sudden
start/stops.
SHKE4450-1CESHKE4450CC-1CE
Audible with flashingled indicate when
speed deviates morethan 10% of set point
When speed deviates 10% of setpoint unit will shutdown immediately
Beeps twice whentime has expired.Shaking motion
stops.
If the unit is runningin an unbalanced
condition, an alarmwill sound and the
shaker will stop untilthe end user corrects
the condition. Thespeed display will
flash "bAL" on speedpanel LED.
Solid State BrushlessDC
Software algorithmsprevent sudden
start/stops.
10
GENERAL SPECIFICATIONS
Catalog Number
RS232 Interface*
Recorder Output*(Located on left siderear of shaker)
Optional PlatformDimensions L X W
Exterior DimensionsL X W X H
SHKA4450SHKA4450CC
None
None
13" X 11"(33.0 X 27.9 cm)
27.16" X 14.09" X15.75"
(69.0 X 35.8 X 40.0 cm)
SHKA4450-1CESHKA4450CC-1CE
None
None
13" X 11"(33.0 X 27.9 cm)
27.16" X 14.09" X15.75"
(69.0 X 35.8 X 40.0 cm)
SHKE4450SHKE4450CC
Monitor speed, tem-perature and timewith a computer
10 mv/C output mon-itors temperature
with external chartrecorder
13" X 11"(33.0 X 27.9 cm)
27.16" X 14.09" X15.75"
(69.0 X 35.8 X 40.0 cm)
SHKE4450-1CESHKE4450CC-1CE
Monitor speed, tem-perature and timewith a computer
10 mv/C output mon-itors temperature
with external chartrecorder
13" X 11"(33.0 X 27.9 cm)
27.16" X 14.09" X15.75"
(69.0 X 35.8 X 40.0 cm)
Pollution Degree** 2Installation Category** IIAltitude 2000 meters MSL (Mean Sea Level)Relative Humidity 20% to 80% maximum, non-condensingElectrical Supply 120 VAC or 240 VACVoltage Tolerance ±10% of normal rated lineTemperature 15ºC to 32ºCProduct Usage This product is intended for use indoors only.
Unit's Environmental Operating Conditions
*Interface cables not to exceed 9.8' (3 m) in length.**Refer to IEC 664-1
CautionIt is not recommended to operate shaker in a CO2 enriched atmosphere. The formation of carbonicacid could cause electrical failures.
11
Shipping CartonThis should be inspected upon delivery. When received,carefully examine for any shipping damage beforeunpacking. If damage is discovered, the delivering carriershould specify and sign for the damage on you copy ofthe delivery receipt.
Open the carton carefully making certain that all parts areaccounted for before packaging materials are discarded.After unpacking, if damage is found, promptly report it tothe carrier and request a damage inspection promptly.
IMPORTANT: Failure to request an inspection of damagewithin a few days after receipt of shipment absolves thecarrier from any liability for damage. You must call for adamage inspection promptly.
UnpackingUse the packing list below when unpacking to verify thatthe complete unit has been received. Do not discardpacking materials until all is accounted for.
The following items are included in the shipment:MaxQ Mini 4450 ShakerOperation ManualRegistration CardInspection TagMounting Plate MatThumb Screw KnobMale Connector (Digital Only)
If any items are missing, contact Customer Service at 1-800-553-0039.
Location• Put the shaker on a level table or bench capable
of supporting the weight of the shaker with anyaccessories while in operation.
• Place shaker near an electrical outlet thatmatches the unit's nameplate requirements.
Unpacking and Installation
• Allow approximately 2" (5 cm) of clearancearound the unit for free air convection, accesso-ry attachments and user convenience.
Electrical Requirements• SHKA4450, SHKA4450CC, SHKE4450 and
SHKE4450CC shakers require a 120 VAC, 60Hz power source. They are supplied with a 3-wire line cord and should be plugged into anoutlet designed for 3-prong plugs. If an exten-sion cord is used, it also should be the 3-wiregrounded type. For an outlet designed toaccept 2-prong plugs (ungrounded), it isrequired that a qualified electrician replaces theoutlet with a new, grounded type.
• SHKA4450-1CE, SHKA4450CC-1CE,SHKE4450-1CE and SHKE4450CC-1CE shak-ers require a 240 VAC, 50/60 Hz power source.They are supplied with a Schuko cordset.
• If a plug must be installed, use only the 3-pronggrounded type, rated for the unit load require-ments and matching the power outlet. Makesure the green ground wire is secured to theplug ground terminal.
• To eliminate hazard of electrical shock, makesure floor around shaker is dry. In the event ofaccidental spilling or splashing of liquids, cleanup and/or neutralize the spilled liquids beforecontinuing.
• Leave shaker disconnected when not in use.
12
UNPACKING AND INSTALLATION
WarningDo not operate shaker with a dam-aged electrical cord.
Platform Installation1. Select the appropriate platform for the vessels to be
shaken. A wide variety of platforms and accessoriesare available:
• Dedicated platforms have the maximum number offlask clamps attached for safe operation.
• Combination platforms allow the user to shake awide variety of different sized vessels on the sameplatform.
2. Carefully position the platform horizontally over theshaker's mounting plate aligning the 4 mountingholes.
3. Positions one of the thumbscrews provided througheach of the 4-platform mounting holes and tightensecurely.
Flask Clamp Installation• Each flask clamp contains a support spring located
at the narrow top of the clamp.
• Depending on the size of the clamp, the clamp basemay contain one or several screws necessary tosecure the clamp to the platform. All screws provid-ed with the clamp must be properly attached to theplatform.
1. Carefully place the desired vessel in the clamp byfirst pulling the clamp spring far enough apart toenable the flask base to be positioned inside theclamp. Secondly, gently slide the flask into its properposition securing it to the wider bottom of the clamp.The spring will hold the body of the flask securely inplace and provide security during shaking.
2. Make sure all vessels are securely clamped beforeturning on unit.
Wherever possible, vessels should contain a stopper to pre-vent hazardous substances being thrown out during the mix-ing action.
UNPACKING AND INSTALLATION
CautionDo not operate shaker with anunbalanced load. Platforms shouldbe loaded for optimum stability. Donot lift shaker by the platform.
WarningDo not operate the shaker at speedsthat will cause the contents of vesselsto be thrown out.
13
Test Tube Rack Installation1. Position the test tube rack on the combination
platform so that the cutouts on the rack's out-side bottom are aligned with correspondingmounting holes on the platform. There are twocutouts on each side of the rack.
2. Secure the rack to the platform with mountingscrews provided with the rack.
14
UNPACKING AND INSTALLATION
15
AnalogPlease refer to page 6 for control panel reference.
Power Switch1. Depress top portion of power switch to turn on
shaker.
2. Depress bottom portion of power switch to turnoff shaker.
Speed Control and Display1. Slowly rotate the knob on the solid-state speed
control clockwise to increase speed and coun-terclockwise to decrease speed. The markingson the outside of the dial are for reference pur-poses only.
2. The speed control tachometer provides an ana-log readout of the actual platform rotationspeed up to a maximum of 400 rpm.
Time(r)1. From the 12 o’clock off position, rotate timer
knob counterclockwise to the ON position toinitiate continuous operation.
2. For timed operation, rotate timer knob clock-wise from 1 minute to 60 minutes. The mark-ings on the side of the dial are in 5-minuteincrements.
Temperature Controller/SettingTemperaturePlease refer to Figure 3 for control panel reference.
1. CONTROLLER SELF-TEST: When the shaker ispowered up, the controller will display 8888along with the three decimal points and theHEAT ON indicator lamp. The display will then
Operation
NoteThe shaker will not operate if thetimer is in the OFF position.
WarningIt is recommended that shakingaction be started at a low speed inorder to check that all vessels aresecure and that no spilling of con-tents will occur.
16
OPERATION
blank out for 2 seconds before showing thechamber temperature.
2. HEAT ON INDICATOR: The HEAT ON indicatorlamp is lit when the chamber heaters are receiv-ing power. The lamp will normally flash whenthe chamber temperature is at set point.
3. SET POINT ADJUSTMENTS: The temperaturecontroller normally displays the chamber tem-perature. To view or change the temperatureset point proceed as follows:
A. Press and hold the “star” (✳) key and useeither the up or down arrow key to adjust theset point to the desired temperature. Releasethe “star” (✳) key.
B. Allow at least 30 minutes for the tempera-ture to stabilize.
Temperature Calibration1. Fill a 250-ml Erlenmeyer flask with approximate-
ly 100 ml of water and position it at the approxi-mate geometric center of the shaking platform.
2. Install a thermocouple inside the flask with thethermocouple junction in direct contact with thewater.
3. Adjust the safety thermostat to its maximumclockwise position.
4. Press and hold the “star” (✳) key and using theup or down arrow key, adjust the set point tothe desired temperature.
✱ ▼▼
Heat IndicatorChamber or Setpoint Temperature
Control Buttons
Press Controller
✳ View set point
✳ Decrease set point
✳ Increase set point
Figure 3: Temperature Controller
17
OPERATION
5. Allow the unit to run for at least 30 minutes.
6. The controller display should now be indicatingthe set point temperature. Make note of thethermometer reading.
7. Press and hold both arrow keys until the con-troller display indicates “tunE”. Release thearrow keys. Press and release the down arrowkey, the display should now alternate between“LEUL” and “1”. Press and hold the “star” (✳)key and using the up arrow key adjust the dis-play to read “3”. Release the “star” (✳) key. Thedisplay should now alternate between “LEUL”and “3”. Press and release the up arrow keyuntil the display indicates “Zero”. The displayshould now alternate between “Zero” and anumerical value.
8. Using the examples shown in Figure 4 and thethermometer value obtained in step 5 above,enter the correct “Zero” value into the controllerby pressing the “star” (✳) key and using the upor down arrow key. If there is already a “Zero”value present then add the new value to theone already present.
9. When the correct “Zero” value has beenentered, press and hold the two arrow keystogether until the display again indicates thechamber temperature. If the procedure wasdone correctly, the controller display shouldnow agree with the thermometer reading towithin ±0.5°C.
10. Allow the unit to run for at least an additional 60minutes.
11. Re-check the thermometer reading. The con-troller display and the thermometer shouldagree to within ±0.5°C. If not repeat steps 7, 8and 9.
Thermometer = 60 °C Controller Reading = 65 °C Subtract = -5 °C
Enter Zero value of -5 °C
Thermometer = 70 °CController Reading = 65 °CSubtract = +5 °C
Enter Zero value of +5 °C
Figure 4: Determining Zero Value
18
OPERATION
Setting Hi-Limit ControlPlease refer to page 6 for control panel reference.
1. Make appropriate power connection.
2. Turn power switch ON.
3. Using a small screwdriver, rotate high-limit con-trol fully clockwise.
4. Set chamber temperature.
5. Allow sufficient time for temperature to stabilizebefore setting the high-limit control.
6. Rotate high-limit control slowly counterclock-wise until set point is reached. High-limit lightwill illuminate when set point is reached.Rotate high-limit control clockwise until statuslamp goes out. Make an additional 1/8 of aturn clockwise beyond this point.
7. When desired temperature is achieved, load theshaker.
DigitalPlease refer to page 7 for control panel reference
Turning Shaker OnBeginning with the shaker power being turned OFF
1. Press membrane POWER switch once (1) toturn ON shaker
2. Press membrane POWER switch a second time(0) to turn OFF shaker.
NoteThe hi-limit control is located on theright front side of the cabinet.
WarningDo not operate the shaker if any ofthe temperature controls becomeinoperative. A hazardous conditionwill develop which can result in injuryor death and property damage.
NoteThere will be a 3 second delay fromthe time power is turned on to thetime the shaker is activated-controlpanel will illuminate when shakerpower is activated.
19
OPERATION
Setting Shaking Speed1. Hold down appropriate arrow membrane switch
in the speed module of the control panel, up ordown, until desired speed is set up to 500 rpm.SET RPM light will illuminate.
2. Press START membrane switch to begin shak-ing. RPM light will illuminate.
3. Press STOP membrane switch to end shaking.SET RPM light will illuminate.
Calibrating Shaking Speed1. Choose a speed for which calibration is desired
by using the shaker’s up or down arrow keys.
2. Measure current shaker speed by using a digitalhand held tachometer.
3. If the tachometer reading matches the shakerdisplay, no calibration is necessary. If thetachometer reading is different from the shak-er’s display, then calibration is required.
4. To get into the calibration mode, hold down theSTART key, press and release the STOP key,then release the START key.
5. The decimal point on the SPEED display willflash indicating you are in the calibration mode.
6. Use the up or down arrow keys to set the shak-er speed to match the tachometer’s readout.
7. Press STOP key to enter the new speed value.
8. Press START key to exit the calibration mode.
Setting Operating Temperature1. Press and hold up arrow key to increase tem-
perature, release key when desired set point isobtained.
NoteSpeed can be changed without press-ing the START or STOP membraneswitches. Simply press the appropri-ate UP or DOWN switch until desiredRPM is reached.
2. Press and hold down arrow key to decreasetemperature, release key when desired set pointis obtained.
3. Once set, temperature control is initiated bypressing the heat on button; the heater willreact and start increasing the temperature toreach the set point.
4. During operation, both the up and down arrowkeys can be used to adjust the temperature to anew set point.
Setting Hi-Limit Control1. Make appropriate power connection.
2. Turn power switch ON.
3. Using a small screwdriver, rotate high-limit con-trol fully clockwise.
4. Set chamber temperature.
5. Allow sufficient time for chamber temperature tostabilize before setting the high-limit control.
6. Turn the Hi-Limit control slowly counterclock-wise and wait several seconds between adjust-ments since there may be a 5 to 10 seconddelay before the hi-limit alarm sounds. Rotatethe high-limit control slowly clockwise approxi-mately 1/8 of a turn beyond this point.
7. When desired temperature is achieved, load theshaker.
AC Power LossThe operating microprocessor possesses a non-volatilememory. Upon resumption or recovery from an ACpower loss, the following will be noted:
• All readouts will flash until any key is pressed.
• If unit was shaking at the time of power failure,
20
OPERATION
WarningDo not operate the unit if any of thetemperature controls become inop-erative. A hazardous condition willdevelop which can result in injuryor death and property damage.
NoteThe hi-limit control is located on thelower front side of the cabinet.
it will resume operation at the speed and timersettings that were entered at the time that ACpower failed.
Temperature Calibration1. Fill a 250-ml Erlenmeyer flask with approximate-
ly 100 ml of water and position it at the approxi-mate geometric center of the shaking platform.
2. Install a thermocouple inside the flask with thethermocouple junction in direct contact with thewater.
3. Adjust the safety thermostat to its maximumclockwise position.
4. Using the up and down keys, adjust the setpoint temperature to read 37ºC or any otherdesired set point.
5. Allow sufficient time for chamber temperature tostabilize.
6. Press HEAT ON button and, while continuing tohold, press and release the HEAT OFF button.Now, release the HEAT ON button.
7. The decimal point should now be flashing indi-cating that the unit is in the temperature calibra-tion mode.
8. Use the up and down arrow keys to adjust thetemperature on LED readout to match the tem-perature reading on the thermocouple meter.
9. Press the HEAT OFF button. The beeper willsound indicating that the new calibration valueyou have entered is now stored in the non-volatile memory of the temperature controller.
10. Press HEAT ON button twice to complete returnto normal operating mode.
21
OPERATION
NoteIt is important to press the heat offbutton to exit the calibration mode.
Setting Timer for Timed Shaking1. Press TIMER/ELAPSED membrane switch until
TIMER and SET TIME lights are illuminated.The HOURS or MINUTES light will also light upat this point depending on which option waspreviously chosen.
2. Press HOURS/MINUTES membrane switch fordesired timing mode.
3. Hold down appropriate arrow membrane switchin the TIME module of the control panel, up ordown, until desired timing cycle is set from 0.1hour up to 999 hours, or from 0.1 minute to 999minutes depending on which timing mode ischosen. SET TIME light will illuminate.
4. Press START to begin timed shaking; count-down will begin from time set. TIMER and MIN-UTES or HOURS lights will illuminate and timerwill count down from time selected. An audiblealarm will sound at the end of the timing cycleand platform rotation will cease.
Setting Timer for Continuous Shaking1. Press TIMER/ELAPSED membrane switch until
ELAPSED light is illuminated. The HOURS orMINUTES light will also light up at this pointdepending on which option was previously cho-sen.
2. Press HOURS/MINUTES membrane switch fordesired timing mode.
3. TIME display should show 000. Press START tobegin timed shaking. Timer will begin to countup and will display accumulated time in displaywindow. Platform rotation will cease and TIMEdisplay will flash when ELAPSED time reaches999 minutes or 999 hours.
22
OPERATION
Setting Timer for Continuous Timing1. Press TIMER/ELAPSED membrane switch until
TIMER light is off. The HOURS or MINUTESlight will also light up at this point depending onwhich option was previously chosen.
2. Press HOURS/MINUTES membrane switch fordesired timing mode.
3. Press START to begin timed shaking. TIME dis-play should show 000. Timer will begin to countup and will display accumulated time in displaywindow. Display will flash when 999 minutes or999 hours is achieved.
RS232 Interface PortThe RS232 interface port is located on the left side rearof the shaker cabinet and requires the use of a laptop ordesk top computer running Microsoft Windows 98 ornewer operating system
Hyperterminal Configuration1. Power up the host computer and close any run-
ning applications.
2. Open the HyperTerminal application by clickingon "Start" \ "Programs" \ "Accessories" \ "Communications" \"HyperTerminal."
3. In the "Connection Description" box, enter thename "Max Q Shaker" and choose an Icon and click "OK."
4. In the "Connect To" box, verify that "COM1" is
23
OPERATION
RS232 Interface Port
NoteRS232 Interface Port is for outputonly. Interface cables must not exceed9.8’ (3m) in length.
selected under "Connect Using." Click "OK."
5. In the "COM1 Properties" box \ "Port Settings"folder select the following options:
· Bits per second: ∂ 19200
· Data bits: ∂ 8
· Parity: ∂ None
· Stop bits: ∂ 1
· Flow control ∂ None
After verifying the above settings, click "OK."
6. In the main dialog box click on "File" \ "Save."
7. Exit the program by clicking on "File" \ "Exit" \"Yes".
8. Verify the program was saved by going to "Start"\ "Programs" \ "Accessories" \ "Communications" \"HyperTerminal" \ "Max Q Shaker."
9. This completes the configuration ofHyperTerminal.
10. Turn shaker off and connect computer (COM 1)to shaker (COM PORT) with DB-9 serial printer cable.
11. Start HyperTerminal by clicking on "Max QShaker."
12. Power up shaker. Shaker will screen printspeed, time and temperature at one-minuteintervals.
24
OPERATION
Using the Optional Cooling CoilEither tap water or other user-supplied media from arefrigerated circulator flows through the submerged cool-ing coil.
1. Adjust setpoint to the desired temperature.
2. Connect the coolant hoses to the cooling coil fit-tings on the back of the unit. Start the coolantflowing through the cooling coil; flow rate shouldbe at least 6-8 liters per minute. The coolanttemperature must be at least 15ºC less than thedesired chamber temperature. The coolant flowand temperature must be constant.
3. Allow the chamber temperature to stabilize atthe setpoint.
4. Readjust the safety thermostat.
5. Lift the cover and load platform. Close lid.
25
OPERATION
26
Troubleshooting
The following is intended as a reference guide to help in servicing this unit if problems should occur.
Problem Possible Causes Solutions
Shaker doesn’t operate Check if power cord is plugged in.
Check if power supply matchesrequirements on data label.
Digital: check circuit breaker.
Digital: check for flashing lights oncontrol panel.
Digital: check if elapsed timer isflashing.
Analog: check if timer is in off position.
Analog: check if power switch isfunctioning.
Plug in.
Locate power supply that matchesunit requirements.
Reset circuit breaker.
Press any membrane switch oncontrol panel.
Reset timer.
Set timer for continuous or timedoperation.
Replace if defective.
Platform doesn’t rotate or has erratic speed
Check for power to motor.
Check drive belt.
Analog: check for power to speed control.
Replace motor if defective.
Replace if worn, broken or slipped off pulley.
Replace if defective.
Shaker won’t heat Digital: make sure “HEAT ON” lamp is lit.
Push “HEAT ON” button.
Over Temperature ProtectionIn the unlikely event that the programmed hi-limit and theuser adjustable hi-limit thermostats fail, there is a thirdover temperature thermostat. The thermostat is locatedunderneath the shaker's back panel. If the shaker fails toheat with the "HEAT ON" lamp lit and the user settable hi-limit thermostat set to the fully clockwise position, it will benecessary to reset the secondary over temperature ther-mostat. To do so, proceed as follows:
1. Disconnect power cord from outlet.
2. Remove rear panel.
3. Locate the thermostat on top of plenum. Thethermostat has a small button that needs to bepressed in to reset the thermostat.
4. Once the thermostat is reset, reinstall the rearpanel, plug the power cord back into the outletand verify the unit is heating again.
5. If the shaker still fails to heat, contact CustomerService for further assistance.
27
TROUBLESHOOTING
28
Maintenance
Maintenance
CleaningWash the exterior of the unit with a soft cloth using a solu-tion of mild soap and water, rinse off with clean water anddry thoroughly.
Suggested with Every 3 Months of Constant Use
Remove the platform by loosening 4 thumbscrews on thecorners of the platform. Remove the platform holder panby removing 9 screws around the spindles to expose thebelt and interior parts. Inspect the drive belt for wear. Ordera replacement if necessary.
NoteMake no attempt to service or repaira Thermo Scientific product underwarranty before consulting yourThermo Scientific dealer. After thewarranty period, such consultation isstill advised, especially when therepair may be technically sophisti-cated or difficult. If assistance isneeded beyond what the distributorcan provide, please call CustomerService at 800-553-0039. No mer-chandise should be returned directlyto the factory without obtaining aReturn Materials Authorization(RMA) number from CustomerService.
WarningDisconnect plug from electrical outletbefore attempting any maintenanceor repair of the unit.
NoteThe shaking mechanism is equippedwith sealed ball bearings which donot require further lubrication oradjustment.
29
Replacement Parts
PART NO. DESCRIPTION SHKA4450 SHKE4450 SHKA4450-1CE SHKE4450-1CE
057-810-00 Operation Manual x x x x
150-318-00 Belt, Drive x x
150-288-00 Belt, Drive 3/16 X 22-3/8 x x
160-208-00 Chamber Blower-120V x x
330-399-00 Circuit Breaker, 0.8-Amp x
330-119-00 Circuit Breaker, 10-Amp x x
485-360-17 Controller, Programmed x
720-592-01 Cover x x x x
420-265-01 Dust Cover, D-Sub x x
790-078-00 Mounting Feet x x x x
560-281-00 Handle x x x x
340-364-00 Heater, 500W-120V x x
570-378-00 Hinge, Cover x x x x
682-720-00 Keyboard With Graphics x x
560-274-00 Knob x x
600-125-00 Knob, Locking Tab x x
470-364-00 Linecord x x
790-316-11 Mat, Platform x x x x
370-388-00 Motor x x
370-390-00 Motor x x
805-931-00 Pan, Holder-Platform x x x x
019-671-00 PCB, Display-Time, Speed x x
019-653-00 PCB, Heat/Blower/Controller Assy x x
019-533-09 PCB, Micro-Programmed x x
019-534-00 PCB, Power/Motor Drive x x
228-612-00 PCB, Tach x x
460-315-00 Power Supply x x
150-287-00 Pulley, Drive x x
150-297-00 Pulley, Driver x x
470-357-00 Ribbon Cable x x
019-445-00 Shaker Mechanism Assy x x x x
400-233-00 Solid State Relay x x
227-598-00 Speed Control-120V x
30
REPLACEMENT PARTS
PART NO. DESCRIPTION SHKA4450 SHKE4450 SHKA4450-1CE SHKE4450-1CE830-476-00 Spring, Gas x x x x
440-080-00 Switch, Push Button-Cover x x x x
440-397-00 Switch, Mini Rocker-Heat x x
440-359-00 Switch, Rocker x x
660-111-00 Tachometer x x
410-632-00 Temp Sensor, RTD x x x x
920-301-00 Thermostat x x x x
330-400-00 Thermostat, OTP x x x x
270-135-00 Timer x x
229-395-00 Wiring Diagram x
229-392-00 Wiring Diagram x
160-209-00 Cooling Fan-240V x x
370-355-00 Cooling Fan-120V x x
229-396-00 Wiring Diagram x
229-397-00 Wiring Diagram x
160-280-01 Chamber Blower-240V x x
330-138-00 Circuit Breaker-0.5 Amp x
229-419-00 Speed Control-240V x
340-364-01 Heater, 500W-240V x x
470-371-00 Linecord-240V x x
485-522-03 Controller, Programmed x
370-272-01 Motor Brushes x x
330-118-00 Circuit Breaker-5.0Amps x x
31
Ordering Procedures
Please refer to the Specification Plate for the completemodel number, serial number, and series number whenrequesting service, replacement parts or in any corre-spondence concerning this unit.
All parts listed herein may be ordered from the ThermoScientific dealer from whom you purchased this unit orcan be obtained promptly from the factory. When serviceor replacement parts are needed we ask that you checkfirst with your dealer. If the dealer cannot handle yourrequest, then contact our Customer Service Departmentat 563-556-2241 or 800-553-0039.
Prior to returning any materials, please contact ourCustomer Service Department for a “Return MaterialsAuthorization” number (RMA). Material returned withoutan RMA number will be refused.
3232
This Thermo Scientific product carries a five year warranty on parts, one year warranty on labor and a lifetimewarranty on the drive mechanism. The warranty is effective from the first to occur (i) the date the product issold by the manufacturer or (ii) the date the product is purchased by the original retail customer (the“Commencement Date”). Except as expressly stated above, WE MAKE NO OTHER WARRANTY,EXPRESSED OR IMPLIED, WITH RESPECT TO THE PRODUCTS AND EXPRESSLY DISCLAIM ANY ANDALL WARRANTIES, INCLUDING BUT NOT LIMITED TO, WARRANTIES OF DESIGN, MERCHANTABILITYAND FITNESS FOR A PARTICULAR PURPOSE.
An authorized representative of the manufacturer must perform all warranty inspections. In the event of adefect covered by this warranty, we shall, as our sole obligation and exclusive remedy, provide free replace-ment parts to remedy the defective product.
The warranty provided hereunder shall be null and void and without further force or effect if there is any (i)repair made to the product by a party other than the manufacturer or its duly authorized service representa-tive, (ii) misuse (including use inconsistent with written operating instructions for the product), mishandling,contamination, overheating, modification or alteration of the product by any customer or third party or (iii) useof replacement parts that are obtained from a party who is not an authorized dealer of Thermo Scientific prod-ucts.
IN NO EVENT SHALL THE MANUFACTURER BE LIABLE TO ANY PARTY FOR ANY DIRECT, INDIRECT,SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, OR FOR ANY DAMAGES RESULTING FROMLOSS OF USE OR PROFITS, ANTICIPATED OR OTHERWISE, ARISING OUT OF OR IN CONNECTIONWITH THE SALE, USE OR PERFORMANCE OF ANY PRODUCTS, WHETHER SUCH CLAIM IS BASEDON CONTRACT, TORT (INCLUDING NEGLIGENCE), ANY THEORY OF STRICT LIABILITY OR REGULA-TORY ACTION.
For the name of the authorized Thermo Scientific product dealer nearest you or any additional information, contact us:2555 Kerper Blvd., Dubuque, Iowa, 52004-0797
Phone: 563-556-2241 or 1-800-553-0039Fax: 563-589-0516
E-mail: [email protected] Web: www.thermo.com
Warranty
