User Manual for LabRepCo Futura Ultracold ULT Freezers
Contents
1. 471 22 Statement of Warranty HORIZON SCIENTIFIC INC PRODUCT WARRANTY Horizon Scientific Inc warrants to the original purchaser every new Horizon Scientific Inc refrigerated unit the cabinet and all parts thereof to be free from defects in material or workmanship when such unit is installed used and maintained in accordance with provided instructions for a period of two 2 years The warranty period starts two weeks from the date of shipment from Horizon Scientific Inc This two week period allows ample shipping time so that the warranty will go into effect at approximately the same time your equipment is delivered Unless subject to prior written agreement with Horizon Scientific Inc this warranty does not allow for any warranty start deferment greater than two weeks from date of shipment due to a delayed installation and or start up By purchasing any product from Horizon Scientific Inc you and any entity for which you are purchasing acknowledge and agree to each and every provision contained herein and all other Notices and Terms provided to Purchaser by Horizon Scientific Inc which are hereby incorporated Under this warranty Horizon Scientific Inc through its authorized service organizations will repair or at its option replace any part found to contain a manufacturing defect in material or workmanship without charge to the owner for parts service labor or any shipping or cartage costs Replacement or repai2. at any time will cancel the entered values Changing the Temperature settings 1 Navigate to the SETTINGS mode and press ENTER to access the SETTINGS mode menu 2 Use the UP and DOWN keys to scroll to the TEMP SET line then press ENTER 3 Use the UP and DOWN keys to set the temperature to the desired value then press ENTER SYSTEM NORMAL RUN MODE 2 SETTINGS MODE gt SET TIME 20 20 06 ACC CODE DISABLED SETTINGS MODE LO ALRM SET 80 0 gt SET DATE 00 00 00 SETTINGS MODE HI ALRM SET 60 0 gt TEMP SET 70 0 LOW ALRM SET 80 0 SETTINGS MODE ADJUST gt TEMP SET 10 0 USING UP amp DOWN Changing Alarm Settings 1 The high HT and low LO alarm settings are set in the same way as the TEMP SET described above Note that the alarms cannot be set any closer to the temperature set point than 10 degrees The alarms that may be set by the user are HIGH TEMP ALARM LOW TEMP ALARM Setting security access code optional When delivered the freezer has the password security value in the OFF setting This means that access to modes and settings other than RUN can be addressed If you want to restrict access to all menus other than the RUN menu which is a read only menu then you may activate the password security PASSWRD SECURITY by switching it to the ON setting This setting resides in the CONFIGURE menu Once you activate password security you will automati
3. loosen The lose frost can be removed carefully in order to move the process along more rapidly 5 Once the freezer is free of frost use a mild non chloride cleaning agent rinsing with water 6 Close doors and restore power 7 Depending upon your temperature set point storage temperature should be fully restored in 8 to 12 hours Calibration This procedure allows the temperature readout on the control panel to be adjusted to match your temperature standard The calibration allows for an adjustment to offset only There is no adjustment for slope or span available through the control panel 15 1 Install reference temperature probe next to the control probe located on the interior of the freezer The reference probe should be calibrated and traceable to a known standard such as NIST The reference probe has to be installed through the access panel on the rear of the unit This is best accomplished when the freezer is at room temperature 2 Turn the freezer on and allow the unit to pull down and cycle at the desired setpoint or use the default setpoint of 80 C 3 Navigate to the calibration mode through the control panel and access the calibration menu Scroll through the menu until Control Probe is reached Press Enter to access the menu for control probe calibration 4 Using the Up Down Arrows adjust the temperature displayed next to Control Probe to match the temperature readout from the reference temperat
4. stage compressor for 30 minutes L S SYSTEM FAILURE Activates when the high stage heat exchanger probe reaches a reading of 50 C or below AIR FLOW PROBLEM Activates when a calculation shows that the difference between the ambient temperature and the condenser temperature probes is greater than 10 C LOW LINE VOLTAGE Activates when the incoming AC power voltage is below 90 VAC on a 115 V unit or 180 VAC on a 230 V unit for more than 1 minute HIGH LINE VOLTAGE Activates when the incoming AC power voltage is above 135 VAC on a 115 V unit or 265 VAC on a 230 V unit for more than 1 minute PROBE FAILURE Control Heat Exchanger Condenser Ambient Sample Activates when either of the following conditions is detected on this probe A resistance value over 250 ohms indicating an open sensor or a reading below 20 ohms indicating a shorted sensor The same criteria will apply to the remaining probe failure alarms PROBE UNPLUGGED Control Heat Exchanger Condenser Ambient Sample Each probe has a two pin logic control as part of its connector which will be used to detect that the sensor is properly connected This alarm shows that the system detected this probe is not connected This same description applies to all probes FAILED BATTERY TEST Activates when the result of a battery test returns a reading of bad battery INITIALIZING If the display board is unable to initialize properly the message center will not di
5. the high temp alarm level as stored in memory for more than 1 minute Not Cold Enough LOW TEMP ALARM Activates when the control probe temperature is at or below the low temp alarm level as stored in memory for more than 1 minute Too Cold DOOR OPEN Activates when the door is sensed open for more than 1 minute Note that the door sensor is an input to the main control board and its status is to be part of the regular communication from the main control board to the display board AC LINE FAILURE Activates when the input line voltage falls below 80 VAC for 115 V unit or 160 VAC for 230 V unit for more than 10 seconds This alarm will override and cancel the LOW LINE VOLTAGE alarm so that both alarms are not active at the same time 12V PS FAILURE Activates when the input 12V falls below 10 5 VDC for more than 2 seconds and the input line voltage does not fail WRONG POWER Activates when the unit senses that input line voltage is above 150 VAC for a 115 V unit or below 160 VAC for a 230 V unit There is a jumper located on the main control board that will indicate whether the unit is wired for 115V or 230V operation HIGH AMBIENT TEMP Activates when the ambient temp probe reading is above 36 C LOW BATTERY Activates when the results of a battery test returns a reading of less than 11 0 VDC 10 H S SYSTEM FAILURE Activates when the high stage heat exchanger probe is unable to reach at least 33 C after running the high
6. ES Horizon Scientific Inc is not responsible for economic loss profit loss or special indirect or consequential damages including without limitation losses or damages arising from contents spoilage claims whether or not on account of refrigeration failure electrical failure power failure or compressor failure HORIZON SCIENTIFIC INC S MAXIMUM CUMULATIVE LIABILITY RELATIVE TO ALL CLAIMS AND LIABILITIES INCLUDING OBLIGATIONS UNDER ANY INDEMNITY WHETHER OR NOT 23 INSURED SHALL NOT EXCEED THE COST OF THE PRODUCT S GIVING RISE TO THE CLAIM OR LIABILITY WARRANTY IS NOT TRANSFERABLE This warranty is not assignable and applies only in favor of the original purchaser user to whom delivered Any such assignment or transfer shall void the warranties herein made and shall void all warranties express or implied including any warranty of merchantability or fitness for a particular purpose NO IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE There are no other warranties express implied or statutory except the two 2 year warranty and the additional three 3 year compressor warranty as described above These warranties are exclusive and in lieu of all other warranties including implied warranty and merchantability or fitness for a particular purpose There are no warranties which extend beyond the description on the face hereof whether based on contract warranty tort including negligence strict liability i
7. IS og eros citt esc sa pcesnctoneen shes beret Parrot insetti bel ea tein selavMta tesa taste nv tein qE ped 12 Maintendnce A dob E dep ir PER M epi eibi ce deeded 13 Maintenance aes nci M 13 YAS DT TES A ES E E A A A E A 13 Condenser eane E RO dtd E PEE 13 Anual calt fabis E E A EEEE E E A 13 Battery Peplgcermet seis ieecoee m vende cope i Du dede ad ben doen rooe Ea ESER En Eee i ERE inaako ERS oen 13 Door gasket and vacuum relief Port csscesscsssssesesssensssnsssenssenssvencesneseanssnecsvensesnesennsseassanss 14 Bi so MIRROR CROIRE NE RENDER RHONE SEITEN 14 AIT IE ate Eco 14 ODON esi cise tan db Ond niim dam tat ipd uam M a bina deeds aes 15 Sample PANG EP 15 CHSFEPRODECB pretrpi Ere eer NU Eea EEE E nest ateee seins TRO PON AED Ebi ENE 15 Service andiroubles hooting RITE E T TD 16 Chart recorder DS d oso me Roper bao rot b ve Ern asp CORR VER UD D Pa OUR RA 16 Troubleshooting sisson Ng RON Na RES SU pP t ONU RUM cule tM ERE MENU ER 16 DIaNOSU CEOs sta dne ati dpi vrbs de n ee ee ee ee 16 Li EDLE Aa AGMINE RP RR T EP I ERREUR CORPER RETRO HERR RR Tor Di Sialenment or Warranty once ccc nce aesoenraantnceessemnacenscaosvesetsncurantensaresetuaupestsainesseusuranteorerseumouasupnrenet 25 Installation and start up NOTICE READ THIS MANUAL It is necessary to read and understand this instruction manual because failure to do so may result in 1 subs
8. LABReoCo One Company Many Solutions Owner s Guide ULT FREEZERS Model LABHP 17 ULTA LABHP 17 ULTD LABHP 21 ULTA LABHP 21 ULTD LABHP 25 ULTD OWNER S INSTRUCTIONS This manual describes how to operate and care for your appliance to get the best most efficient performance READ THIS BOOK Note to Customer This merchandise was carefully packed and thoroughly inspected before leaving our plant Responsibility for its safe delivery was assumed by the carrier upon acceptance of the shipment As directed on the side of your packing carton claims for loss or damage sustained in transit must be made on the carrier as follows A Visible Loss Damage Shortage External Evidence of Loss or Damage This type of damage must be noted on the freight bill and acknowledged by the carrier s agent driver at time of delivery Make sure you get a signed copy Send a written request for an inspection to the carrier B Concealed Damage This type of damage may not be discovered until the unit is being unpacked When concealed damage is discovered stop unpacking immediately and contact the carrier immediately to report the claim and request an inspection This should be done as soon as possible and in any case must be done within 15 days or receiving the merchandise If at all possible do not move the item and save all packaging material for carrier s inspection C FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN THE CARRIER REFUSING
9. Low control probe temperature LOW TEMP ALARM yes pes yes Yes if gt 1 Door is open DOOR OPEN min yes yes Power failure loss of AC input AC LINE FAILURE yes no yes voltage Power failure loss of 12V power 12V PS FAILURE yes no yes supply Wrong power connected WRONG POWER yS yes yes High Ambient Temperature HIGH AMBIENT TEMP no n a no Low battery voltage LOW BATTERY yes yes no High stage system failure H S SYSTEM FAILURE yes yes yes Low stage system failure L S SYSTEM FAILURE yes yes yes Air flow alarm determined from AIR FLOW PROBLEM yes yes no temp probes Low voltage alarm LOW LINE VOLTAGE yes yes yes High voltage alarm HIGH LINE VOLTAGE yes yes yes Control Probe failure CONT PROBE FAILURE yes yes yes Heat exchanger probe failure HS HX PROBE FAILURE yes yes no Condenser probe failure COND PROBE FAILURE yes yes no Ambient probe failure AMB PROBE FAILURE yes yes no Sample probe failure if installed SAMP PROBE FAILURE yes yes no Control Probe Unplugged CONT PROBE UNPLUGD yes yes yes Heat Exchanger Probe Unplugged HTEX PROBE UNPLUGD yes yes yes Condenser Probe Unplugged COND PROBE UNPLUGD yes yes yes Ambient Probe Unplugged AMB PROBE UNPLUGD yes yes yes Sample Probe Unplugged if SAMP PROBE UNPLUGD yes yes yes installed Failed Battery Test FAILED BATTERY TEST yes yes no Alarm Criteria HIGH TEMP ALARM Activates when the control probe temperature is at or above
10. TO HONOR YOUR COMPANY S CLAIM UNDER NO CIRCUMSTANCES SHOULD THE MERCHANDISE BE RETURNED TO THE MANUFACTURER NO RETURNS WILL BE ACCEPTED WITHOUT PRIOR AUTHORIZATION Horizon Scientific 125 Varnfield Drive Warranty Revision Date Summerville SC 29483 Two Year Parts and Labor 01 16 2015 Phone 800 648 4041 3 Years Compressor Parts Fax 843 821 8051 Table of contents pilo dei NETT t O Tostallaion and Start Up okies citric i cee emia 2 Control verie Wscnnenie a dude cta a iE PSU uc a eue a a 2 Contwolope raonar be E Hp icu RN NECI ye teste a fer 4 Setting the Eime amd Cate ius cecinere e pup pn eue pee En ERAN NR REX ien EEE ERV EE Pn PEE Vae EE e Eiei i 4 Changing the Temperature settings eee sees eere een eene nenne rennen nente ette ne tn aseo usen e sten ee tonta 4 Changing SEES I MEE 5 Setting security access code optional ccccssecesscecescecesseecsescecssececseceecssececseeeeceeeeeeseeeesseees 5 Contro SUERDNLL Lenin boi vitel ub Etha MU Paca bid iban a o Dinbork i usd nh DER da HK eaten 7 AlI T NNI T UT UTR 7 pa ETATE S ira a e A E E E A E A E E 9 bunt dor EE E E E EN T ES 10 SaO A H OT EEE A A E E E A A 11 AC Line Failure Alaf Meresaar PPAR evans TNR URP vps a Ea E EE era Oa NOVAS 11 t2 V PS Failure Alat ospiti o oense nnii E A DM RU A MR MER UD M RU M CU RUM MUR MON ERES SS 11 Contacts and NG Leser dodi cea water ivan men So etu du patres bibat is dis 12 Remote alarm COUDAE
11. and is meant to be accessed by trained service personnel only 13 Maintenance intervals Maintenance item Recommended interval Air cleaner and Condenser 3 months Calibration 1year Battery 1 year Door gasket and vacuum relief port Monthly minimum Defrost As needed Maintenance procedures Air filter In most laboratory conditions the air filter should be inspected monthly and cleaned once every three months Press the top of the filter cover to release the catch The door will swing forward allowing easy access to the washable prefilter Condenser Anytime that the air filter is removed for cleaning the condenser fins and coils should be inspected for dust that impedes the flow of air over the coils Such dust should be removed with a vacuum cleaner The fins on the heat exchanger are very delicate and are easily bent so be sure to avoid placing any pressure or impact on the fins while cleaning Annual calibration The control temperature probe should be calibrated once a year This procedure is described in the Maintenance Procedures chapter under Calibration Battery replacement Warning Only authorized trained electricians should attempt any access behind the service panels The battery is located in the lower left hand handle side corner of the compressor compartment It may be accessed by either removing the front or left side cover panel The 14 battery is secured with two carriage bo
12. cally acquire the factory default password which is a four digit numerical code Default access code 1234 You may change the code itself by addressing the SETTINGS menu Please note the two menus on the right and remember that the choice of whether or not a code is needed is made in the CONFIGURE menu but the code itself is edited in the SETTINGS menu Setting security access ON of OFF 1 Navigate to the CONFIGURE mode on the SYSTEM level menu then press ENTER This will take you to the CONFIGURE menu SETTINGS MODE ACC CODE DISABLED gt HI ALRM SET 60 0 TEMP SET 70 0 CONFIGURE MENU Ring back delay Password security status message LCD contrast Run battery test Battery back up SETTINGS MENU Set time Set date Access code J High alarm Temperature set Low alarm SYSTEM NORMAL CONFIGURE MODE CALIBRATION MODE Scroll down to PASSWRD SECURITY OFF the current status 2 Use the UP and DOWN keys to change from PASSWRD SECURITY OFF to PASSWRD SECURITY ON And press ENTER You have now activated password protection 3 Press BACK to return to the system level menu Once you have activated PASSWRD SECURITY ON the following window will appear when an operator requests access to any menu except the RUN menu SECURITY ACCESS REQD ENTER ACC CODE ACC CODE 0000 PRESS ENTER FOR NEXT Changing the password The password access code is only required when the security
13. f this warranty regardless of conflicts of law principles Purchaser agrees that proper venue for any action to enforce the terms of this warranty shall be the Dorchester County District Courts South Carolina Purchaser submits the jurisdiction of such courts over the Purchaser and the subject matter of any such action Any action for breach of these warranty provisions must be commenced within one 1 year after that cause of action has accrued WARRANTY CLAIMS To obtain prompt warranty service simply contact the manufacturer at 800 648 4041 Horizon Scientific Inc s shipping records showing date of shipment shall be conclusive in establishing the warranty period All claims should include model number of the refrigerator the serial number of the cabinet proof of purchase date of installation and all pertinent information supporting the existence of the alleged defect Any repairs must be authorized by Horizon in order for the warranty to be honored LabRepCo LLC 101 Witmer Rd 700 Horsham PA 19044 Phone 800 521 0754 Fax 215 442 9202
14. gin showing event logs in reverse chronological order formatted as shown below EVENT LOG yyyymmddhhmmss event message line 1 event message line 2 21 Specifications Model Number 1768 2168 2568 Temperature Range 50C to 86C Inventory capacity 20 racks 25 racks 30 racks Box capacity 27 37 320 240 400 300 480 360 Dimensions exterior HWD inches 78 25 x 34 38 x 34 75 78 25 X40 1 X34 75 78 25 X 45 75 X 34 75 Dimensions interior HWD inches 49 88 x 23 38 x 22 8 49 88 x 29 1x 22 8 49 88 x 34 75 x 22 8 Required area 12 85 ft 14 38 ft 15 94 ft Inner doors 5 insulated Security Key lockable door Passcode protectable control Refrigeration CFC free 1 2 HP x 1 2 HP cascade Insulation 5 5 to 6 FIP urethane Door gasket 3 point sealing BTU rejection 2150 2370 2580 Shipping weight 595 625 675 Performance Average stability 2 C Average uniformity 4 5 C Average uniformity 4 5 C Reserve capacity 300 Btu h 25 Warm up time 80 to 50 in 5 hours 80 to o in 12 hours Sound pressure level 55 to 65 db A scale 5 feet depending on location and testing Average energy 15 kW Hour day 16 5 kW Hour day 18 kW Hour day consumption Electrical 115V 60Hz 230V 60Hz Breaker requirement 20 amps dedicated 15 amps dedicated Plug NEMA 5 20 NEMA 6 15 Agency listing UL
15. larms are presented differently depending on the severity of the alarm condition The table below lists these alarms and also shows the method of notification The Message column shows what message will be displayed in the message center The Audible column shows if the audible device is activated The Ring Back column indicates if the audible alarm is repeated after a specific time frame The ring back delay is user selectable in the Configuration mode The Relay column shows whether each alarm is of sufficient priority to warrant activating the remote alarm contacts Note that the remote alarm contacts will always have a 30 minute delay to By activate to allow time for on site personnel to react to and resolve the alarm condition Upon the occurrence of any alarm the top line of the message center display will list the alarm message as shown in the list In the case of multiple alarm conditions the display will show each alarm message on the top line in a repeating sequence on three second intervals The alarms will appear on the message center ONLY when in RUN mode If the operator changes to a different mode the alarm LED and the audible alarm will remain active but the message center top line will display whatever the normal message would be in that mode Ring Description Message Audible Relay Back High control probe temperature HIGH TEMP ALARM yes yes yes
16. lts but it is only necessary to loosen one bolt to remove the battery Be sure to disconnect the leads from the control box before removing the battery Door gasket and vacuum relief port Any time that dirt or frost accumulation prevents the door from closing properly the gasket should be cleaned with a soft cloth As a general rule a minimum of once a month is recommended When the door gasket is operating as designed the only means of pressure equalization for the chamber is the vacuum relief port behind the control panel The vacuum relief port is equipped with a built in heater to reduce frost accumulation but some frost can accumulate behind the port on the freezer door It is important to make a visual check for such accumulation whenever the door is opened and remove any accumulation found Defrost 1 Switch offthe unit breaker switch and disconnect the freezer from power DISCONNECT battery to avoid deep discharge To disable the battery scroll to the CONFIGURE MODE and press ENTER Scroll to BATTERY BACK UP ON and press ENTER Use the UP and Down keys to change to OFF then press ENTER Upon restart this configuration will automatically revert to the ON setting 2 Empty the freezer of contents and transfer them to another freezer Leave the inner doors open 3 Place moisture absorbing material such as paper or cotton towels in the bottom of the freezer and on the floor in front of the freezer 4 Allow frost to melt and
17. ndemnity or any other legal theory and whether arising out of warranties representations instructions installations or non conformities from any cause Purchaser further acknowledges that the purchase price of the Product reflects these warranty terms and remedies ALTERATION NEGLECT ABUSE MISUSE ACCIDENT DAMAGE DURING TRANSIT OR INSTALLATION FIRE FLOOD OR OTHER EXTERNAL CAUSES Horizon Scientific Inc is not responsible for the repair or replacement of any parts that Horizon Scientific Inc determines have been subjected after the date of manufacture to alteration neglect abuse misuse accident damage during transit or installation fire flood or other external causes It does not apply to defects resulting from failure to properly install operate or maintain the product in accordance with the printed instructions provided or damage caused by the storage of any corrosive material that comes in contact with the interior or exterior portions of the cabinet or the use of spark producing equipment or containers such as galvanized or carbonized steel containers that come in contact with any interior portion of the cabinet OUTSIDE U S CANADA This warranty does not apply to and Horizon Scientific Inc is not responsible for any warranty claims made on products sold or used outside the United States and Canada CHOICE OF LAW VENUE The laws of the State of South Carolina shall govern the validity interpretation and enforcement o
18. ng the up and down keys will cause the display to move through the various diagnostic parameters listed above similar to other modes When the user reaches the DUMP EVENT LOG line the display will appear as follows DIAGNOSTIC MODE COMP VOLTAGE 122 gt DUMP EVENT LOG CLEAR EVENT LOG If the user presses enter at this point the display will change to DIAGNOSTIC MODE PRESS ENTER TO gt SEND COMMAND NOW BACK TO CANCEL Pressing Enter at this point will result in the entire contents of the Event Log being output to the RS 232 port The display will then revert to the previous display Pressing Back will only cause a return to the previous display In Diagnostics Mode Scrolling to the Clear Events log will cause the display to appear as follows DIAGNOSTIC MODE DUMP EVENT LOG CLEAR EVENT LOG DISPLAY EVENT LOG Pressing Enter will cause the display to change to DIAGNOSTIC MODE PRESS ENTER TO CLEAR EVENT LOG NOW BACK TO CANCEL Pressing Enter will cause the entire Event Log to be cleared The display will then revert to the previous display Pressing Back will only cause a return to the previous display In Diagnostics Mode when the user reaches the DISPLAY EVENT LOG line the display will appear as follows DIAGNOSTIC MODE CLEAR EVENT LOG DISPLAY EVENT LOG PRESS ENTER TO GO 20 If the user presses enter at this point the display will be
19. red parts will be warranted for only the unexpired portion of the original warranty ADDITIONAL THREE YEAR COMPRESSOR WARRANTY In addition to the two 2 year warranty stated above Horizon Scientific Inc warrants its hermetically and semi hermetically sealed compressors to be free from defects in both material and workmanship under normal use and service for a period of three 3 additional years from the end of the initial two 2 year warranty period but not to exceed five 5 years after shipment from Horizon Scientific Inc Compressors determined by Horizon Scientific Inc to have been defective within this extended time period will at Horizon Scientific Inc s option be either repaired or replaced with a compressor or compressor parts of similar design and capacity The three 3 year extended compressor warranty applies only to hermetically and semi hermetically sealed parts of the compressor and does not apply to any other parts or components including but not limited to cabinet paint finish temperature control refrigerant metering device driers motor starting equipment fan assembly or any other electrical components Horizon Scientific Inc s sole obligation under this warranty is limited to either repair or replacement of parts subject to the additional limitations below This warranty neither assumes nor authorizes any person to assume obligations other than expressly covered by this warranty NO CONSEQUENTIAL DAMAG
20. setting is ON 1 Navigate to the SETTINGS mode line and press ENTER 2 Scroll to the SET ACC CODE and press ENTER 3 Set the access code by using the UP and DOWN keys to change the value of each digit and using the ENTER key to move to the next value You may also use the BACK key to move back through the digits UP BACK ENTER DOWN CONFIGURE MODE ADJUST gt PASSWRD SECURITY ON USING UP amp DOWN SYSTEM NORMAL RUN MODE 2 SETTINGS MODE SETTINGS MODE SET TIME 00 00 00 gt ACC CODE 1234 HI ALRM SET 40 SETTINGS MODE ADJUST gt ACC CODE 1234 USING UP amp DOWN Control menus Note that the RUN mode provides a view only menu in which you can verify settings This is the normal mode of operation for the freezer To make changes in the settings themselves you must move to one of the other operation modes CALIBRATE CONFIGURE or SETTINGS Operating modes and mode menus System Normal 5 CALIBRATE CONFIGUR SETTINGS View only See calibration Ring back delay Version details Set time chapter for Password security control Set date calibration details Access code Condenser temp Access code LCD contrast Heat exchanger temp status message Run battery test Ambient temp High alarm Battery back up Control temp Temperature set Sample Line voltage Low alarm Cycle period Battery life Alarms A series of alarms monitor the various operating conditions of the freezer These a
21. splay any valid information This will serve as the indication of a display board initialization problem If the main board fails to initialize properly it will not be able to communicate with the display board and the display board will report a communication problem as described elsewhere Door Open A door open message is displayed in the message center whenever the door is opened If the door remains open for more than 1 minute an audible alarm will sound subject to normal silence and ring back functions If the door remains open continuously for 30 minutes the remote alarm contacts will activate 11 Sensor Errors In addition to any alarms the control will take the following action if it detects any of the unit s sensors as being in error Alarm Result Control Probe failure Both compressors will turn on and remain on Heat exchanger probe failure Compressor control during pull down will revert to timed staging Condenser probe failure Alarm only no change in compressor control Ambient probe failure Alarm only no change in compressor control Sample probe failure Alarm only no change in compressor control Line boost voltage sensing Unit will operate normally with boost voltage circuit Off AC Line Failure Alarm If AC power input to the freezer has failed hardware on the main control board will immediately cause a changeover to battery power Both compressors will be turned off Upon res
22. ss code numerical password Keys The ENTER key serves to 1 accept menu selections and value changes and 2 advance the active value through a row of values The BACK key permits you to scroll back through the values or menu UP and DOWN keys BACK and ENTER keys The UP and DOWN keys permit you to make numeric steps in settings and selections in the menu Warning lights are provided for Voltage boost which means you should speak to your maintenance department about low line voltage The Low battery warning light indicates that you need to replace the battery the procedure for which is explained in the chapter on Maintenance Alarms Your freezer is protected with 21 alarm monitors In the event of an alarm an ALARM MESSAGE will appear in the message line at the top of the screen and an alarm will sound Consult your owner s manual Consult the chapter on Alarms in this manual Control operation Setting the time and date 1 Using the DOWN key scroll to SETTINGS and press ENTER 2 Scroll to SET TIME and press ENTER 3 The active value in the date display hours will blink on and off Set the value using the UP and DOWN keys and Press ENTER to set the value hour and move to the next value minutes Set minutes using UP and DOWN keys press ENTER to save The active value will automatically scroll to the next settable value which is SET DATE 4 Follow the same process to set the date Pressing BACK
23. tandard performance of your freezer 2 damage to your freezer and stored items and also 3 possible injury to operating personnel Placement clearance The freezer must have a clearance of 5 in the rear and 6 ys on each side so that sufficient air circulation is maintained for the removal of A exchange heat Start up Plug the ULT into power and engage the power switch breaker located above the power cord The freezer will start and the control panel will illuminate in the default status with the words SYSTEM NORMAL in the message line which is the top line of the control display The other lines will display available operating modes You will note a pointer gt on the third line The third line is always the active line which means that you will enter that mode or menu by pressing ENTER The default status Temperature Set Point SP 80 C High temp alarm SP 10 C Low temp alarm SP 10 C Password security OFF Access code 1234 Power The ULT requires a dedicated power outlet and circuit breaker 20 amp circuit for 115V mocels and 15 amp circuit for 230V models Control overview The SYSTEM NORMAL display is a monitoring and access screen from which you may enter any of the 4 control modes CONFIGURE CALIBRATE RUN SETTINGS The default setting will be sufficient for many hours while your freezer cools You may familiarize yourself with the control by setting the time the date and perhaps setting an acce
24. tion available in this mode will be displayed on the message center as follows Control probe temperature Ambient probe temperature Heat exchanger probe temperature Condenser probe temperature Sample probe temperature if installed Control probe temperature default in line 3 position 17 Sensed line voltage Sensed compensated voltage The menu has the ability to scroll in reverse chronological order through all logged events The display in this mode will consist only of the date time stamp and the event message and will not include the sensor readings as described as output through the RS232 port To enter DIAGNOSTICS MODE While in RUN mode press the BACK and SILENCE keys simultaneously The display will change to ENTER DIAG MODE CALIBRATION MODE RUN MODE SETTINGS MODE After this display is showing the operator then must press the BACK and DOWN keys simultaneously The display will then change to ENTER DIAG MODE PRESS ENTER TO START BACK TO CANCEL OR ABORT If the user then presses the ENTER key the unit will change to DIAGNOSTIC mode DIAGNOSTIC MODE SAMPLE TEMP 79 0 CONTROL TEMP 80 0 LINE VOLTAGE 120 Note that the active line designator gt does not appear in diagnostic mode except for the DUMP EVENT LOG CLEAR EVENT LOG and DISPLAY EVENT LOG lines as described below Scrolli
25. umption of AC power the compressors will be sequenced using the normal start up method and the battery charging process will be started 12 V PS Failure Alarm If AC power input to the freezer has NOT failed but the 12V AD DC Power supply has failed hardware on the main control board will immediately cause a changeover to battery power Both compressors will still be controlled as normal until the battery reaches the Monitor Only threshold At this point both compressors will be turned off Upon resumption of AC power the compressors will be sequenced using the normal start up method and the battery charging process will be started 12 Contacts and communications ONLY Authorized trained electricians should attempt any connection behind the service panels Remote alarm contacts The Remote Alarm provides a NO normally open output a NC normally closed output and a Common The Schematic below represents the alarm state and wire colors Note 1 The Remote Alarm contacts will have a 30 minute delay once they are tripped 2 Always double check the continuity of the NO and NC contacts 3 This procedure is for the Alarm only There is no analog output of the freezer temperatures WIRE COLORS 4 NC YELLOW 5 COMMON BLACK 6 NO ORANGE REMOTE ALARM CONTACTS 30VDC 3A MAXIMUM IN ALARM 4 5 CLOSED 5 6 OPEN A 4 20mA signal is available RS 232 Communication is available at the main control box
26. ure probe The temperature is displayed in tenths of a degree Then Press Enter to accept the calibration for the control probe Note1 The large temperature display may change value when you press Enter depending on how much calibration is required Note2 The maximum calibration on the temperature probes is 5 C If further calibration is required contact the technical service department for assistance Options Sample probe There is access to a probe port at the rear of the freezer It is uncovered when the access plate held in place with 6 Phillips head screws is removed Chart recorder The 7 day chart recorder is added at the factory See manufacturer s owner s manual 16 Service and troubleshooting Chart recorder fuse The system fuse is located to the left of the power switch Power switch 115V power supply for optional chart recorder and its associated fuse Troubleshooting For information in addition to that listed in this manual please call the manufacturer and request help There is an additional technical troubleshooting guide available for qualified serving personnel Diagnostic mode ONLY Authorized trained technicians should access the Diagnostic mode This mode provides the service technician access to detailed information for the purpose of evaluating the operation of the freezer and troubleshooting problems This mode is accessible only by means of a special set of key presses The informa
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