Installation and Operation Manual
Contents
1. A field proven cascade refrigeration system design All upright models include a pressure equalization port to combat the vacuum created after door openings 2 Safety Precautions In this manual and on labels attached to this product the words WARNING and CAUTION mean the following WARNING a potentially hazardous situation which if not avoided could result in serious injury or death CAUTION a potentially hazardous situation which if not avoided may result in minor or moderate injury or damage to the equipment Before installing using or maintaining this product please be sure to read this manual and product warning labels carefully Failure to follow these instructions may cause this product to malfunction which could result in injury or damage Below are important safety precautions that apply to this product Use this product only in the way described in the product literature and in this manual Before using it verify that this product is suitable for its intended use Do not modify system components especially the controller Use OEM exact replacement equipment or parts Before use confirm that the product has not been altered in any way Your unit must be properly grounded in conformity with national and local electrical codes Never connect the unit to overloaded power sources Disconnect the unit from all power sources before cleaning troubleshooting or performing other maintenance on the pr2. The Supply On Indicator lights when the backup system is operating on battery power The Backup System Battery Low Indicator lights when the backup system battery charge is low The built in battery charger recharges the battery to full charge when power is restored to the system Note Since rechargeable batteries degrade over time the battery should be replaced after approximately three years The Backup System Empty Indicator lights when the standby CO or LN bottle is empty CO Inlet Conn Copper Tubing Factory Supplied 0 25 O D 24 Figure 4 Location of CO Connection Site Chest Models Only MACHINE COMPARTMENT REAR VIEW Table 1 Backup System Flow Rates Cryogenic Freezers Lbs hr 75xF Ambient Temperature Flow Rate anios UI 150 C 140xC 130x C 120xC Liquid LN Chest Freezers Empty 110 9 5 8 4 73 5f 1 2 Full 9 3 8 0 70 6 1 Full 6 5 5 9 5 1 4 5 Empty 113 10 0 9 0 8 0 7 ft 1 2 Full 9 7 8 6 76 6 8 Full 78 6 8 6 0 5 2 Empty 15 2 18 5 119 10 3 1of 1 2 Full 12 0 10 4 9 4 8 3 Full 8 9 78 70 6 1 Thermo Scientific Revco Chest and Upright Freezers Installation and Operation Table 2 Backup System Flow Rates Lbs hr 75xF Ambient Temperature Lbs hr 75xF Ambient Temperature Flow Rate Flow Rate Center Air Temperature 50xC 60xC 70x
3. 6593 LN Backup System Choose built in or free standing Injects liquid nitrogen into cabinet when cabinet temperature warms to pre set level Automatic shut off on door or lid opening Adjustable LN setpoint in 1 C increments to 150 C with digital display and actual cabinet temperature at the push of a button Indicator lights when system is activated System is powered by continually recharged battery Includes all hardware except low pressure liquid nitrogen cylinder AES Catalog Description No LN Backup built in panel mounted factory installed Revco Ultima and Elite only Low battery indicator lights when battery needs replacing Empty cylinder indicator lights when cylinder is exhausted 6595 LN Backup free standing field installed Specify freezer model number and voltage when ordering 6214 Low Voltage Protection Built in voltage safeguards are standard on all Revco Ultima models Optional on all other models Voltage Safeguard Helps protect electrical equipment from damage by boosting low voltage automatically Panel light flashes to indicate when deficient line voltage is being corrected Specify when ordering freezer Standard on all Revco Elite and Value models Optional on all other models Bat Catalog Description No Built in factory installed for Revco Elite and Value 86 C to 40 C models only 6240 Free standing Helps protect electrical equipme
4. par celles ci Davantage d informations sur laconformit de Thermo Fisher Scientific ces directives les recycleurs dans votre pays et les informations sur les produits Thermo Scientific qui peuvent aider le d tection des substances sujettes la directive RoHS sont disponibles sur www thermo com Great Britain Deutschland EM Italia Lid France 16 Important For your future reference and when contacting the factory please have the following information readily available Model Number Serial Number Date Purchased The above information can be found on the dataplate attached to the equipment If available please provide the date purchased the source of purchase manufacturer or specific agent rep organization and purchase order number IF YOU NEED ASSISTANCE SALES DIVISION Phone 828 658 2711 800 252 7100 FAX 828 645 3368 LABORATORY PARTS and SERVICE Phone 800 438 4851 FAX 828 658 2576 TECHNICAL SUPPORT Phone 800 438 4851 Thermo Scientific Revco Chest and Upright Freezers Installation and Operation WEEE Compliance WEEE Compliance This product is required to comply with the European Union s Waste Electrical amp Electronic Equipment WEEE Directive 2002 96EC It is marked with the following symbol Thermo Fisher Scientific has contracted with one or more recycling disposal companies in each EU Member State and this product should be disposed of or recycled throu
5. Contact Sales if original product purchase you have special delivery and or installation requirements Through the network of factory Under this contract the manufacturer agrees to furnish a authorized service centers testing prior to delivery and compressor FOB our factory to replace one which has been installation within your facility can be arranged 6095 determined to be defective by manufacturer or a factory authorized Service Agency 15 Thermo Scientific Revco Chest and Upright Freezers Installation and Operation WEEE Compliance WEEE Compliance This product is required to comply with the European Union s Waste Electrical amp Electronic Equipment WEEE Directive 2002 96EC It is marked with the following symbol Thermo Fisher Scientific has contracted with one or more recycling disposal companies in each EU Member State and this product should be disposed of or recycled through them Further information on Thermo Fisher Scientific compliance with these Directives the recyclers in your country and information on Thermo Scientific products which may assist the detection of substances subject to the RoHS Directive are available at www thermo com WEEE Konformitt t Dieses Produkt muss die EU Waste Electrical amp Electronic Equipment WEEE Richtlinie 2002 96EC erf llen Das Produkt ist durch folgendes Symbol gekennzeichnet Thermo Fisher Scientific hat Vereinbarungen getroffen mit Verwertungs Entsorgungsanlagen
6. check the alarm battery Refer to Section 8 4 Alarm Battery Low indicator is on Low incoming line voltage to the freezer Call an Electronics Technician to check the power supply Voltage Boost indicator is on 10 Thermo Scientific Revco Chest and Upright Freezers Installation and Operation 9 Chart Recorders Panel mounted six inch seven day recorders are available as options for all freezer models 9 1 Set Up and Operation To prepare the recorder to function properly complete the following steps 1 Open the recorder door to access the recorder 2 Connect the nine volt DC battery located at the recorder s upper right corner This battery provides backup power 3 Install clean chart paper refer to Section 9 3 below 4 Remove the plastic cap from the pen stylus and close the recorder door Recorder operation begins when the system is powered on The recorder may not respond until the system reaches temperatures within the recorder s range 9 Volt Battery Chart Buttons Imprinting Stylus Reference Mark Hub Nut and Chart Retaining Wire Figure 6 Chart Recorder CHANGE CHART 9 e qe Figure 7 Chart Buttons CAUTION Do not use sharp or pointed objects to depress the chart buttons This may cause permanent damage to the recorder 9 2 Power Supply The recorder normally uses AC power when the system is operating If AC power fails the LED in
7. connect the freezer to a dedicated separate circuit Each freezer is equipped with a service cord and plug designed to connect it to a power outlet which delivers the correct voltage Supply voltage must be within 10 5 of the freezer rated voltage If you have known voltage stability problems which are outside the limits of the freezer rated voltage we recommended that the freezer be equipped with a Voltage Safeguard Order the Voltage Safeguard refer to Section 10 1 3 on page 12 for ordering information Note Revco Ultima II Series freezers are equipped with a standard built in Voltage Safeguard circuit to detect and adjust low line voltage CAUTION Never cut the grounding prong from the A service cord plug If the prong is removed the warranty is invalidated 5 3 Leveling The unit must be level both front to back and side to side To level chest models leave the casters in place and shim the low wheel s with strips of sheet metal cut at least 1 2 in wider than the caster Upright models have adjustable leveling feet which are located adjacent to the front casters Thermo Scientific Revco Chest and Upright Freezers Installation and Operation 5 4 Door Operation Upright Models Upright freezer models are equipped with an advanced Cryolatch assembly specifically designed for ultra low temperature freezers Features include One hand operation A front accessible lock keyed to match the freezer cont
8. et 8 1 1 Cleaning the Condenser s s 8 1 2 Cleaning the Condenser Filter 8 2 Gasket Maintenance esris ersin aa eni ee 8 3 Defrosting the Freezer 6 ke 8 4 Alarm Battery Maintenance 220000200e 8 5 Troubleshooting Procedures 0 cee ee eee 9 Chart Recorders ccc eee eee ee tenes 9 1 SetUp and Operation 0 eee 9 2 Power9 pply ocio da ba eur oe best 9 3 Changing Chart Paper sees 9 4 Calibration Adjustment 0 eee eee 10 Optional Equipment 2 2 2 eee eee 10 1Backup Protection Devices 00000000 00s 10 1 1 Liquid Nitrogen LN2 0 00000000000 10 1 2 Liquid CO 10 2Remote Alarm orenen A ee eee 11 Accessories uni a a a eee WR ee Rea RAS 10 1 3 Voltage Safeguard 2 eee eee Thermo Scientific Revco Chest and Upright Freezers Installation and Operation 1 About Legaci 3 General Recommendations All of the ultra low temperature freezers described in this manual feature the Legaci refrigeration system a combination of advanced technologies designed specifically to provide optimal reliability in low temperature applications Legaci systems include Copeland compressors custom designed for to minimize bearing wear and operate efficiently under heavy work loads DuPont Suva refrigerants selected to provide maximum cooling capacity under low temperature conditions
9. guard alert Q off Cx nes on Q power failure O 20 21 cabinet temperature control set point alarm on O CX s security temperature failure G warm alarm set point cold alarm set point c Setpoint BACKUP SYSTEM extreme ambient alert clean filter Q O voltage boost Ol alarm battery low Figure 2 Revco Ultima Il Series Control Panel with Optional Backup System Before the initial start up take some time to become familiar with the controls on your freezer Figure 2 illustrates the Revco Ultima II Chest and Upright Freezer control panel Note Figure 2 shows all possible functions These functions vary depending on the model and options You may not have all of the functions on your equipment Revco Elite models do not include the Check Fuse indicator light 6 or the Voltage Boost light 19 as these models do not come standard with these options Likewise only Revco Ultima II models will include the Set Point Security 9 10 11 12 13 feature 23 Life Guard Alert indicator light 5 and the Extreme Ambient Alert indicator light 16 The CO or LN Backup System lights 20 21 22 represent status indicators for a built in CO or LN backup system which is optional on Revco Ultima II and Elite models Three position keyed Pow
10. in dangerous conditions To preclude hazard and minimize risk follow all instructions and operate within the design limits noted on the dataplate 5 1 Location Install the unit in a level area free from vibration with a minimum of six inches of space on the sides rear and top Refer to Section 5 3 for further instructions on leveling cabinets Allow enough clearance so that door or lid can swing open at least 90 degrees Do not position the equipment in direct sunlight or near heating diffusers radiators or other sources of heat The ambient temperature range at the location must be 59 to 90 F 15 to 32 C CAUTION To allow for proper air flow a minimum A of six inches of clearance space is required behind the freezer 5 2 Wiring CAUTION Connect the equipment to the correct power source Incorrect voltage can result in severe damage to the equipment CAUTION For personal safety and trouble free A operation this unit must be properly grounded before it is used Failure to ground the equipment may cause personal injury or damage to the equipment Always conform to the National Electrical Code and local codes Do not connect the unit to overloaded power lines Your freezer is equipped with one of five NEMA style plugs refer to Figure 1 These plugs meet UL requirements 15A 125V 20A 125V 15A 250V 20A 250V 30A 250V NEMA 5 15P NEMA 5 20P NEMA6 15P NEMA 6 20P NEMA 6 30P Figure 1 NEMA Style Plugs Always
11. shelf After loading each shelf allow the freezer to recover to the desired setpoint before loading the next shelf Repeat this process until the freezer is fully loaded CAUTION Failure to follow these procedures or overloading the unit may cause undue stress on the compressors or jeopardize user product safety Thermo Scientific Revco Chest and Upright Freezers Installation and Operation 4 Pre Installation 4 1 Unpacking At delivery examine the exterior for physical damage while the carrier s representative is present If exterior damage is present carefully unpack and inspect the unit and all accessories for damage If there is no exterior damage unpack and inspect the equipment within five days of delivery If you find any damage keep the packing materials and immediately report the damage to the carrier Do not return goods without written authorization When submitting a claim for shipping damage request that the carrier inspect the shipping container and equipment CAUTION Do not discard the sublids from A chest style units The sublids are necessary to maintain correct temperature moisture control and economy of operation Upright models do not include sublids as they utilize built in metal inner doors 5 Installation Do not exceed the electrical and temperature ratings printed on the dataplate located on the lower left side of the unit CAUTION Improper operation of the equipment could result
12. upright ultra low temperature freezer door is opened room temperature air rushes into the storage compartment When the door is closed the fixed volume of air is cooled rapidly Pressure drops below atmospheric pressure resulting in a substantial vacuum Re entry into the cabinet is impossible until internal pressures are returned to atmospheric pressure Without a pressure equalization mechanism it can take several minutes before the door can easily be reopened All upright models feature a port that provides vacuum relief after door openings The pressure equalization port is located in the bottom left side of the storage chamber Although the port is designed to self defrost excessive frost accumulation in the bottom of the chamber could eventually restrict air flow Therefore you should periodically inspect the port and brush away any loose frost using a stiff nylon brush to obstruct the port Push any storage racks near the A WARNING To ensure proper operation be sure not port all the way to the rear of the cabinet WARNING When the freezer is in operation avoid A touching the lower left side of the cabinet exterior near the hot surface warning label The port can get hot immediately after it is activated Thermo Scientific Revco Chest and Upright Freezers Installation and Operation 6 Operation Revco Ultima Il and Revco Elite Freezers 6 1 Control Panel Features 2 6 1112 13 Ultim life
13. when the digital temperature display window shows the correct setpoint value Note fno keys are pressed within ten seconds the temperature display reverts to the cabinet temperature 6 2 3 Setting the Alarms To set the cold alarm complete the following steps 1 For Revco Ultima II units only confirm that the key switch is at the Power On position Setpoint Security disabled 2 Press and hold the Cold Alarm Setpoint pad The LED next to this pad lights The temperature display shows the Cold Alarm value 3 Press and hold ZX or xz to adjust the Cold Alarm Setpoint 4 Release both pads when the digital temperature display window shows the correct setpoint value To set the warm alarm complete the following steps 1 For Revco Ultima II units only confirm that the key switch is at the Power On position Setpoint Security disabled 2 Press and hold the Warm Alarm Setpoint pad The LED next to this pad lights The temperature display shows the Warm Alarm value 3 Press and hold Z or xz to adjust the Warm Alarm Setpoint 4 Release both pads when the digital temperature display window shows the correct setpoint value When the cabinet temperature drops below the Warm Alarm setting turn the key switch to ALARM ON The freezer is ready to operate Note Ifa power failure lasting over 30 seconds occurs the POWER ON light goes out the POWER FAILURE light and digital temperature display flash simultaneously and a buzzer so
14. 0 438 4851 TECHNICAL SUPPORT Phone 1 800 438 4851 Thermo Fisher Scientific Inc 275 Aiken Road Asheville NC 28804 United States www thermofisher com 39125HO1 Rev M
15. 5 5 Pressure Equalization Port 6 Operation Revco Ultima Il and Revco Elite Freezers 1 ce eee 6 1 Control PaneliF atures ando ela eee ee ME eR ca Fe ie a Bee Ae 6 2 Start Ups 24 32 42 iy Neate b Rue emp eer p eMehiber eie P eh ib 6 244 Turning the Power On xem A AR de E REDE EA A RR eae 6 2 2 Setting the Cabinet Temperature 0 mm 6 2 Setting the Al rmS zoreti rae A kd Rem xu er RE UTERINE WERE 6 2 4 Alarm Reset amp Status Lights Revco Ultima Il and Elite Freezers 6 2 5 Alarm Test Revco Ultima Il and Elite Freezers 2 0 tees 6 3 Backup System Optional nrnna Rr ed ERR A be REA RR Ro RP RR RR DRE eee 6 3 1 COzand LN Precautions eer cin rete re e NER parer ea YE CM EN E E as 6 32 Installation 4 205 54 int be pas eee be no eren ght ad eee eie de 6 33 Operation C cpnirer iostan thi p Yes a edge aa vee sn wad be Melb duie og Mele dice eu tema ters ae 6 3 4 System Status Lights 2 5 ects A ERAS A A A ea Ee Thermo Scientific Revco Chest and Upright Freezers Installation and Operation 7 Operation Revco Value Series Freezers 7 1 Control Panel Features 0 002002 e eee eee 7 2 Start Up iii ie ite Ae ee SG do rd 7 2 1 Turning the Power On 2 ee ee eee 7 2 Setting the Cabinet Temperature 7 23 Optional Alarm eee 8 Maintenance and Troubleshooting 8 1 Condenser Maintenance 1
16. Box Capacity Single split rack holds 6 2 in boxes for all chest models except 3 1 and 4 5 cu ft 6230 6110 1 Plasma Rack 20 12 Box Capacity Single split rack holds 4 3 in boxes for all chest models except 3 1 and 4 5 cu ft 6231 6111 1 Plasma Rack 25 16 Box Capacity Basket Rail Kit for 6 8 cu ft chest freezers 6217 Ki a Example A 13 7 cu ft plasma chest freezer holds 24 total Basket Rail Kit for 10 3 cu ft chest freezers 6218 Catalog No 6098 Plasma Racks Basket Rail Kit for 13 7 cu ft chest freezers 6190 Basket Rail Kit for 17 1 cu ft chest freezers 6191 Basket Rail Kit for 20 5 cu ft chest freezers 6192 13 Thermo Scientific Revco Chest and Upright Freezers Installation and Operation Temperature Recorders All six inch recorders utilize pressure sensitive chart paper 1 box 50 charts included no inking is required except Catalog No 6183 which utilizes an inked pen e Catalog Description No Temperature recorder 6 in circular chart seven day drive panel mounted Factory installed 6171 Temperature recorder 6 in circular chart seven day drive for 120 C 140 C and 150 C models only panel mounted Factory installed 6183 Temperature recorder 6 in circular chart seven day drive free standing for all ULT freezers 40 C to 90 C Customer installed 6170 Temperature recorder 6 in circular chart seven day drive free stand
17. C Center Air Temperature 60xC 70xC 80xC Liquid CO Liquid LN Chest Freezers Chest Freezers Empty 2 83 2 96 3 1 Empty 27 3 1 3 5 3 tt 1 2 Full 24 2 7 3 1 3 ft 1 2 Full 2 2 2 6 2 9 Full 1 8 2 1 24 Full 17 19 2 2 Empty 4 1 4 7 5 5 Empty 3 9 4 5 4 1 7192 1 2 Full 3 5 4 0 4 6 718 1 2 Full 3 3 3 8 4 3 Full 2 6 3 0 3 5 Full 2 5 2 8 3 2 Empty 4 9 5 6 6 6 Empty 4 7 5 4 6 1 10 ft 1 2 Full 4 2 4 8 5 5 10 ft 1 2 Full 4 0 4 5 5 1 Full 3 1 3 6 4 1 Full 3 0 3 4 3 8 Empty 5 6 6 5 75 Empty 5 4 6 2 70 14 18 1 2 Full 4 8 5 5 6 3 14 f 1 2 Full 4 5 5 2 5 9 Full 3 5 4 2 4 8 Full 3 4 3 9 4 4 Empty 6 5 75 8 7 Empty 6 2 71 8 1 17 ft 1 2 Full 5 5 6 3 73 17 ft 1 2 Full 5 3 6 0 6 8 Full 4 1 4 8 5 5 Full 3 9 4 4 5 1 Empty 73 8 4 9 8 Empty 70 8 0 9 1 20 ft 1 2 Full 6 2 71 8 2 20 ft 1 2 Full 5 9 6 7 76 Full 4 6 5 4 6 2 Full 4 4 5 0 5 7 Upright Freezers Upright Freezers Empty 74 8 5 9 7 Empty 70 79 8 9 13 ft 1 2 Full 6 5 74 8 3 13 ft 1 2 Full 6 1 6 8 76 Full 5 1 5 9 6 7 Full 4 8 5 4 6 1 Empty 8 3 9 5 10 9 Empty 77 8 7 9 8 17 ft 1 2 Full 73 8 3 9 3 17 f 1 2 Full 6 7 75 8 4 Full 5 8 6 6 75 Full 5 3 5 9 6 7 Empty 8 9 10 2 11 7 Empty 8 4 9 5 10 7 21 ft 1 2 Full 78 8 9 10 0 21 ft 1 2 Full 73 8 2 9 2 Full 6 2 71 8 1 Full 5 8 6 5 73 Empty 9 5 10 9 12 5 Empty 9 1 10 3 11 6 25 ft 1 2 Full 8 3 9 5 10 7 25 f 1 2 Full 79 8 9 10 0 Full 6 6 76 8 7 Full 6 3 71 79 Thermo Scientific Revco Chest and Upright Freezers Installation and Operation 7 Operatio
18. Installation and Operation Manual Thermo Scientific Revco Chest and Upright Ultra Low Temperature Freezers Part of Thermo Fisher Scientific 2010 Thermo Fisher Scientific All rights reserved Suva is a registered trademark of DuPont Armaflex is a registered trademark of Armacell International GmBH All other trademarks are the property of Thermo Fisher Scientific Inc and its subsidiaries Thermo Scientific Revco Chest and Upright Freezers Installation and Operation Table of Contents 1 About Legaci n ed eV edd ead Od ae RARE ae UK ARIS Sade RD IRR ao c 2 Safety Precautions sssrin Se eset Ate wae Ses een ME Re ee ta ee ee eee eo 3 General Recommendations eee hh hh eee eee 3 1 Temperature Monitoring 0 00 ccc ehh hr 3 2 General Operation scio kgs mel Rez Exe ered ee Eee ene bebe eser ee e Pere e eae E 3 3 Initial Loading 42 4 Seka belt beet bed od p RRe d Mere MR RI ARP Renee heed PE bee Tees 4 Pre Installationi ee en tor eR A RNA T EN 4 1 UNPACKING ci arsiv nap swiatag E apps aspas ap dap Pease mee PSD a J 5 Installation ce0 cee Re ke REA RR E A eG Re ee A A Eee 5 1 Eocatlon tania Rt ARM A AR eae ee bree ea ne AA A ae Rey Ee 5 2 WINING Sox A bala kale bacha bh el Pod hide Bh MSIFESrevepebeg etse 9 3 Leveling erase ewer reed A Bek eh oe et Te wee a era as a eer aoe 5 4 Door Operation Upright Models 5 4 1 Opening the Door 5 4 2 Closing the Door
19. ON Maintenance should only be performed by trained personnel 8 1 Condenser Maintenance 8 1 1 Cleaning the Condenser Clean the condenser at least every six months more often if the laboratory area is extremely dust prone To clean the condenser complete the following steps 1 Pull the grill open 2 Remove the filter Check the fans If a fan is not operating contact an Authorized Service Company immediately 3 Vacuum the condenser 4 Replace the filter and close the grill 8 1 2 Cleaning the Condenser Filter Clean the condenser filter every two or three months 1 Pull the grill open 2 Remove the filter 3 Shake the filter to remove loose dust rinse the filter in clean water shake the excess water from the filter and replace the filter 4 Close the grill 8 2 Gasket Maintenance Periodically check the gaskets around the door or lid for punctures or tears Leaks are indicated by a streak of frost which forms at the point of gasket failure Make sure that the cabinet is level refer to Section 5 3 on page 2 for leveling information Keep the lid and door gaskets clean and frost free by wiping gently with a soft cloth 8 3 Defrosting the Freezer Defrost the freezer once or year or whenever the ice buildup exceeds 3 8 To defrost complete the following steps Remove all products and place in another cabinet Turn off the freezer Open the outer door and all inner doors Let the free
20. aese e informazioni sui prodotti Thermo Scientific che possono essere utili alla rilevazione di sostanze soggette alla Direttiva RoHS sono disponibili sul sito www thermo com Conformit WEEE Ce produit doit tre conforme la directive europ enne 2002 96EC des D chets d Equipements Electriques et Electroniques DEEE Il est marqu par le symbole suivant Thermo Fisher Scientific s est associ avec une ou plusieurs compagnies de recyclage dans chaque tat membre de l union europ enne et ce produit devrait tre collect ou recycl par celles ci Davantage d informations sur laconformit de Thermo Fisher Scientific ces directives les recycleurs dans votre pays et les informations sur les produits Thermo Scientific qui peuvent aider le d tection des substances sujettes la directive RoHS sont disponibles sur www thermo com Great Britain Deutschland FERES Italia p France 16 Important For your future reference and when contacting the factory please have the following information readily available Model Number Serial Number Date Purchased The above information can be found on the dataplate attached to the equipment If available please provide the date purchased the source of purchase manufacturer or specific agent rep organization and purchase order number IF YOU NEED ASSISTANCE SALES DIVISION Phone 1 866 984 3766 866 9 THERMO LABORATORY PARTS and SERVICE Phone 1 80
21. alf Rack 4 3 in boxes 24 36 48 60 72 For ULT Upright Freezers 20 6112 1 12 2 in or 9 3 in boxes 20 25 30 6113 1 16 2 in or 12 3 in boxes 12 Thermo Scientific Revco Chest and Upright Freezers Installation and Operation Inventory Component Description Ultra Low Temperature PIN Catalog Freezers Description No Description catalog For Upright Models i Adjustable single stack holds 12 2 in or 9 3 in boxes For All Models for 13 4 cu ft upright models 6112 1 Fiberboard boxes and grid dividers are packaged in lots of one Adjustable single stack holds 16 2 in or 12 3 in boxes dozen for 17 2 20 2 and 24 4 cu ft upright models 6113 1 Fiberboard box 5 1 4 in square x 2 in high one dozen 5954 Solid stainless steel shelf Fiberboard box 5 1 4 in square x 3 in high one dozen 5956 for 13 4 cu ft upright models only 6667 Grid divider fiberboard 100 cell 7 16 in holds 100 12 mm for 172 cu ft upright models only 6668 ial d Miu ipis 5998 for 20 2 cu ft upright models only 6669 id divider fiberboard 4 Il in holds 49 1 an visis ph bbs pera 3 8 in holds 49 16 mm 5959 for 24 4 cu ft upright models only 6670 Grid divider f
22. alog No is 80 of setpoint on 40 C and 50 C models and 90 of AE setpoint on 75 C and 86 C models includes remote alarm 6077 contacts For Revco Value Series ultra low freezer models only 50xC Catal 75xC BEF atalog 6078 Description No 86xC Factory installed built in Must specify when ordering 120xC 6079 freezer 6278 40xC Field installed specify freezer model and voltage when icone 6221 ordering 6406 ees Remote Alarm Monitoring Tatai aa atalog Description Description catalog No Extended 12 Month Comprehensive Coverage for all Standard Remote Alarm Provides audible and visual models provides additional 12 month warranty signal in the event of temperature rise or power failure coverage parts and labor Contact Sales for details 6613 Adaptable to telephone switchboard Can be located up to 1 3 mile 1760 ft 536 m from freezer Must be U 2 used with factory installed electronic alarm system and Interior Options connected to normally open or normally closed Catalo remote alarm contacts Wire not included Specify Description No 9 freezer model number and voltage when ordering 5612 Deluxe Electronic Remote Alarm System User Chost FreezerIntoriors programmable to sound alarm in the event of Stainless steel interior 3 1 cu ft chest 6121 temperature rise or power failure Can dial up to four a TET telephone numbers to advise of alarm condition across Stainless steel interior 4 5 cu ft chest 6646 any telephone system whi
23. ch accepts pulse dialing Stainless steel interior 6 8 cu ft chest 6122 One system can monitor up to four individual freezers or up to three groups of freezers Contact Sales for Stainless steel interior 10 3 cu ft chest 6123 detailed sp cifications 6224 Stainless steel interior 13 7 cu ft chest 6124 inl teel interior 17 1 cu ft chest 6125 RS 232 Data Port and Software Sainless steel interior 171 Cuf ches Catalog Stainless steel interior 20 5 cu ft chest 6126 Description No Upright Freezer Interiors For use with Revco Elite models only Monitors freezer Stainless steel interior 13 4 cu ft upright 6179 setpoint high and low limit setpoints and power supply Advises of temperature deviation voltage Stainless steel interior 17 2 cu ft upright 6180 boost on surge intercept low alarm battery and clean Stainless steel interior 20 2 cu ft upright 6181 filter functions Auto status report adjustable in increments of 5 seconds to 2 hours 6405 Stainless steel interior 24 4 cu ft upright 6645 Extended Warranty Options Miscellaneous Ultra Low Temperature Freezer Options Note In addition to the standard 13 Month full warranty on the Description Catalog sr No complete product USA and Canada an additional four year protection on compressor and compressor parts can be supplied Additional freezer porthole 1 in diameter 6105 This additional coverage must be purchased at the time of Inside delivery price quoted by region
24. dicator flashes to alert you to a power failure The recorder continues sensing cabinet temperature and the chart continues turning for approximately 24 hours with back up power provided by the nine volt battery The LED indicator glows continuously when main power is functioning and the battery is charged When the battery is low the LED flashes to indicate that the battery needs to be changed 9 3 Changing Chart Paper To change the chart paper complete the following steps 1 Locate the pressure sensitive buttons at the front upper left of the recorder panel 2 Press and hold the Change Chart button 3 for one second The pen will move off the scale 3 Unscrew the center nut remove the old chart paper and install new chart paper Carefully align the day and time with the reference mark a small groove on the left side of the recorder panel 4 Replace the center nut and hand tighten Press the Change Chart button again to resume temperature recording 9 4 Calibration Adjustment This recorder has been accurately calibrated at the factory and retains calibration even during power interruptions If required however adjustments can be made as follows 1 Run the unit continuously at the control setpoint temperature Continue steady operation for at least two hours to provide adequate time for recorder response 2 Measure cabinet center temperature with a calibrated temperature monitor 3 Compare the recorder temperat
25. e respectively during the error condition will be saved Prior to the temperature failure being reset the temperature extreme may be viewed by pressing the Cabinet Temperature pad in conjunction with either the Warm Alarm Setpoint pad or the Cold Alarm Setpoint pad Note Once the Alarm Reset button is depressed the extreme temperature value is reset to the current cabinet temperature Thermo Scientific Revco Chest and Upright Freezers Installation and Operation 6 2 5 Alarm Test Revco Ultima Il and Elite Freezers To test the cold and warm alarms complete the following steps 1 Press and hold the Alarm Test pad The digital temperature display indicates rising temperature When the temperature reaches the warm alarm value the alarm sounds Note The temperature of the refrigerated space does not change during this procedure Only the sensor is heated 2 Release the Alarm Test pad the sensor and display return to cabinet temperature in a few minutes You can press the Audio Silence pad to silence the alarm but the alarm will ring back in five to seven minutes You can silence the alarm in this manner as many times as necessary until the sensor cools below the warm alarm temperature The alarm quits automatically when the sensor cools below the warm alarm value Note There is a limit on the alarm test feature The alarm test will not commence if the warm alarm setpoint is more than 15 degrees warmer than the operating t
26. ection 6 2 2 on page 5 Cabinet Temperature Indicator This indicator lights when the temperature display window is showing the cabinet temperature refer to Section 6 2 1 on page 5 Digital Temperature Display Window This window displays chamber temperature alarm values etc depending on the operating status of the freezer and the procedure being performed Decrement Pad x7 Use this pad to decrease temperature values Increment Pad 43 Use this pad to increase temperature values Extreme Ambient Alert Revco Ultima II Models only This indicator lights when the ambient temperature has exceeded the upper limit of the recommended operating range If the Extreme Ambient Alert is activated the ambient environment needs to be improved for proper function of the freezer Clean Filter Indicator This indicator lights when the air cooled condenser filter is dirty refer to Section 8 on page 10 Alarm Battery Low Indicator This indicator lights when the charge on the alarm battery is low Press this button to display the percent of full battery charge in the digital display window Voltage Boost Indicator This indicator lights when incoming voltage is low and the Voltage Safeguard has been activated refer to Section 8 on page 10 Press this pad to display the current line voltage in the digital display window Alarm On Set Point Security Indicator This indicator lights when the alarm is activated Also indicates that Setp
27. emperature setpoint 6 3 Backup System Optional When you purchase a built in CO or LN optional backup system for the freezer the backup system control panel is located behind a hinged panel adjacent to the grill refer to Figure 3 Note Always purchase the cylinders which are equipped with siphon tubes for withdrawing liquid from the bottom of the cylinder CO cylinders must be kept at room temperature to function properly LN bottles are functional at any reasonable temperature Use this panel to set the backup initiation temperature usually 10 to 15 C warmer than the operating setpoint Digital Temperature Calibration Pot Display M i 85 TEMPERATURE C POWER PUSH OFF TO SET SETPOINT ON ADJUST X Power Temperature Control Temperature Control Switch Set Button Setpoint Screw Figure 3 Control Panel for Optional Built In Backup System Note Revco Value Series units use free standing field installed Backup Systems 6 3 1 CO and LN Precautions The following are precautions for using liquid CO and LN backup systems WARNING Ifa CO or LNe cylinder falls and a A valve is knocked off the cylinder becomes a deadly and completely unguided missile Transport the cylinders in a handtruck or cart with secure chain ties for the cylinder After cylinders are connected to the equipment securely attach them with chains to a solid stationary object such as a building co
28. er On Switch 2 Power On Indicator This indicator lights when power is connected to the freezer 14 15 16 3 Temperature Failure Indicator This indicator lights when the freezer temperature deviates either above or below the alarm temperature settings 4 Power Failure Indicator This indicator lights when there is a power failure to the freezer refer to Section 8 on page 10 5 Life Guard Alert Indicator Revco Ultima II Models only This indicator lights when the first stage compressor has gone into a cautionary state of operation to help prevent failure 6 Check Fuse Light Revco Ultima II and Ultima Models only This indicator lights when the surge protector on the main electronic panel is blown by a power surge refer to Section 8 on page 10 7 Alarm Test Pad Press this pad to start an alarm test refer to Section 5 2 5 on page 6 8 Alarm Reset Pad Press this pad to reset s owly blinking indicators Slowly blinking indicators denote that the 17 19 23 condition has occurred but is now within the given operating parameters This pad is also depressed to temporarily silence the audible alarm refer to Section 6 2 4 on page 5 Cold Alarm Setpoint Press this pad to set the cold alarm refer to Section 6 2 3 on page 5 Warm Alarm Setpoint Press this pad to set the warm alarm refer to Section 6 2 3 on page 5 Control Setpoint Press this pad to set the cabinet temperature refer to S
29. gh them Further information on Thermo Fisher Scientific compliance with these Directives the recyclers in your country and information on Thermo Scientific products which may assist the detection of substances subject to the RoHS Directive are available at www thermo com WEEE Konformittat Dieses Produkt muss die EU Waste Electrical amp Electronic Equipment WEEE Richtlinie 2002 96EC erfiillen Das Produkt ist durch folgendes Symbol gekennzeichnet Thermo Fisher Scientific hat Vereinbarungen getroffen mit Verwertungs Entsorgungsanlagen in allen EU Mitgliederstaaten und dieses Produkt muss durch diese Firmen widerverwetet oder entsorgt werden Mehr Informationen tiber die Einhaltung dieser Anweisungen durch Thermo Fisher Scientific die Verwerter und Hinweise die Ihnen n tzlich sein k nnen die Thermo Scientific Produkte zu identifizieren die unter diese RoHS Anweisungfallen finden Sie unter www thermo com Conformita WEEE Questo prodotto deve rispondere alla direttiva dell Unione Europea 2002 96EC in merito ai Rifiuti degli Apparecchi Elettrici ed Elettronici WEEE E marcato col seguente simbolo Thermo Fisher Scientific ha stipulato contratti con una o diverse societa di riciclaggio smaltimento in ognuno degli Stati Membri Europei Questo prodotto verra smaltito o riciclato tramite queste medesime Ulteriori informazioni sulla conformita di Thermo Fisher Scientific con queste Direttive l elenco delle ditte di riciclaggio nel Vostro p
30. iberboard 64 cell 9 16 in holds 64 14 mm Viale one dozen 5960 Inventory Components Blood Bank Red Cell and Plasma EDU Freezers Grid divider fiberboard 81 cell 1 2 in holds 81 13 mm vials one dozen 6212 Description ae Stainless steel box 5 1 4 in square x 2 in high each 5955 Plasma Rack single holds 13 plasma boxes for all Stainless steel box 5 1 4 in square x 3 in high each 5957 chest models 6098 Stainless steel box cover each 5953 Plasma Rack single holds 12 plasma boxes for For Chest Models 13 4 cu ft upright models 6110 1 Plasma Rack single holds 16 plasma boxes for 17 2 and Single full rack holds 7 2 in boxes for 3 1 and 4 5 cu ft 20 2 cu ft upright models 6111 1 chest models only 5972 Single full rack holds 5 3 in boxes for 3 1 and 4 5 cu ft Red cell press 6225 chest models only 5973 Single full rack holds 11 2 in boxes for all chest models Blood Bank Freezer Inventory Capacity except 3 1 and 4 5 cu ft 5978 Freezers Cu ft Total Capacity Single full rack holds 8 3 in boxes for all chest models Rack Catalog No and Chest Upright except 3 1 and 4 5 cu ft 6096 Description 6 8 13 7 20 5 13 4 20 2 Single full rack holds 8 plasma boxes for 3 cu ft chest Cu ft Cuft Cuft Cu ft Cu ft model 6097 6225 Red Cell Press 92 204 334 200 Single full rack holds 13 plasma boxes for all chest models except 3 1 and 4 5 cu ft 6098 6098 Plasma Rack 13 12 24 36 ET _
31. in allen EU Mitgliederstaaten und dieses Produkt muss durch diese Firmen widerverwetet oder entsorgt werden Mehr Informationen ber die Einhaltung dieser Anweisungen durch Thermo Fisher Scientific die Verwerter und Hinweise die Ihnen niitzlich sein k nnen die Thermo Scientific Produkte zu identifizieren die unter diese RoHS Anweisungfallen finden Sie unter www thermo com Conformita WEEE Questo prodotto deve rispondere alla direttiva dell Unione Europea 2002 96EC in merito ai Rifiuti degli Apparecchi Elettrici ed Elettronici WEEE E marcato col seguente simbolo Thermo Fisher Scientific ha stipulato contratti con una o diverse societ di riciclaggio smaltimento in ognuno degli Stati Membri Europei Questo prodotto verra smaltito o riciclato tramite queste medesime Ulteriori informazioni sulla conformita di Thermo Fisher Scientific con queste Direttive l elenco delle ditte di riciclaggio nel Vostro paese e informazioni sui prodotti Thermo Scientific che possono essere utili alla rilevazione di sostanze soggette alla Direttiva RoHS sono disponibili sul sito www thermo com Conformit WEEE Ce produit doit tre conforme la directive europ enne 2002 96EC des D chets d Equipements Electriques et Electroniques DEEE Il est marqu par le symbole suivant Thermo Fisher Scientific s est associ avec une ou plusieurs compagnies de recyclage dans chaque tat membre de l union europ enne et ce produit devrait tre collect ou recycl
32. ing for 120 C 140 C and 150 C models 6236 only Customer installed Chart Paper SUE Catalog Description No Chart paper package of 50 for 6 in seven day recorder 115 C to 50 C 6185 Chart paper package of 50 6 in seven day recorder 150 C to 20 C 6186 Special Voltages Standard voltages are listed under Voltage in Specification Charts associated with each product category Standard voltages are available at no charge alternative voltages may be available at an extra charge All voltages must be specified when ordering Contact Customer Sales for more information Electronic Backup Systems CO Backup System Choose built in or free standing Injects liquid CO into cabinet when cabinet temperature warms to pre set level Automatic shut off on door or lid opening Adjustable CO setpoint in 1 C increments to 75 C with digital display and actual cabinet temperature at the push of a button Indicator lights when system is activated System is powered by continually recharged battery Includes all hardware except CO cylinder RO Catalog Description No CO Backup built in panel mounted factory installed Revco Ultima and Elite only Low battery indictor lights when battery needs replacing Empty cylinder indicator lights when cylinder is exhausted 6594 CO Backup free standing field installed Specify freezer model number and voltage when ordering
33. lumn WARNING CO and LN liquids are non poisonous A but are very cold and will burn unprotected skin Always wear protective eyewear and clothing when changing cylinders or working on the piping systems attached to an active source of liquid refrigerant WARNING The gases produced by evaporation of A CO or LN are non poisonous but displace the oxygen in a confined space and can cause asphyxiation Do not store the cylinders in subsurface or enclosed areas CAUTION When closing the cylinder valve make A sure that the injection solenoid is energized to allow all the liquid to bleed off instead of being trapped in the supply tubing Failure to do this results in activation of the pressure relief device which could damage the freezer and requires replacing if it is activated CAUTION For chest and upright models ordered A with factory installed built in backup systems the flow of liquid CO or LN gt will be discontinued if the door or lid is opened during operation of the backup system For units operated with free standing field installed type backup system the flow of liquid CO or LN will be discontinued upon door or lid opening only if the switch provided with the free standing package is installed on the freezer Thermo Scientific Revco Chest and Upright Freezers Installation and Operation 6 3 2 Installation Field installed systems are supplied with complete installation and operating instructions If your s
34. n Revco Value Series Freezers 71 Control Panel Features Before the initial start up take some time to become familiar with the controls on your freezer Figure 5 illustrates the Revco Value Series Chest and Upright Freezer control panel Bb OFF l POWER ON lt CONTROL ALARM ON SETPOINT O SETPOINT DISPLAY 1 3 Figure 5 Revco Value Series Control Panel Shown with Optional Alarm 1 Keyed Power On Alarm On switch 2 LED digital temperature display 3 Recessed temperature control setpoint adjustment 4 Temperature setpoint adjust button 5 Calibration potentiometer 72 Start Up Refer to Figure 5 as you complete the following procedures 7 2 1 Turning the Power On To start up the Revco Value Series Freezers complete the following steps 1 Plug the freezer into the power outlet refer to Section 5 2 on page 2 2 Turn the key switch to the POWER ON position The digital temperature display shows 00 until the unit cools down to 1 C after that the actual cabinet temperature is displayed Note The alarm function is active at this time but the alarm sill only sound when the key is turned to the Alarm position 7 2 2 Setting the Cabinet Temperature To set the cabinet temperature complete the following steps 1 Insert a small screwdriver into the slotted screw labeled Control Setpoint and simultaneously press and hold the Setpoint Display button The tem
35. nt from damage by boosting low voltage automatically Provided with terminal board for direct wiring Field installed Specify freezer model number and voltage when ordering For Revco Elite and Value only 5575 Surge Protection Surge Protector Provides protection against external electrical spikes temporary high voltage condition Built in surge protection is standard on Revco Ultima II models free standing surge protection is optional on all other models Catalog Description No Free standing for Revco Elite and Value models only Field installed by qualified electrician or factory authorized service center Specify freezer model number and voltage when ordering 6402 14 Thermo Scientific Revco Chest and Upright Freezers Installation and Operation Alarm Systems Battery Operated Alarm Local audible alarm responds to temperature rise in freezer System operates off continually recharged battery to maintain function in case of power failure Note Extended 4 Year Compressor Parts Warranties are standard on Revco Ultima II and Ultima Series Freezers These Extended Warranty Options apply to Revco Elite and Value Series products only Alarm point automatically tracks control setpoint Pre set alarm Operating Temperature Cat
36. oduct or its controls 3 4 Temperature Monitoring IMPORTANT NOTE We recommend the use of a redundant and independent temperature monitoring system so that the freezer can be monitored continuously for performance commensurate with the value of product stored 3 2 General Operation The refrigeration system is designed to maintain ultra low temperatures with safety in a 32 C 90 F ambient environment only when the freezer is used for storage WARNING This unit is not a rapid freeze device A Freezing large quantities of liquid or high water content items will temporarily increase the chamber temperature and will cause the compressors to operate for a prolonged time period Avoid opening the door for extended time periods since chamber temperature air will escape rapidly Room air which is higher in humidity replacing chamber air may cause frost to develop in the chamber more rapidly 3 3 Initial Loading After reading and completing the Safety Considerations Pre Installation Installation and Operation sections of this manual turn the Key Switch to the POWER ON position and adjust the temperature setpoint if necessary The setpoint should be no warmer than 50 C for two stage freezers or 10 C for single stage freezers Allow the freezer to operate at the desired temperature for a minimum of 12 hours before loading If your freezer is an upright model load the freezer one shelf at a time beginning with the top
37. oint Security is activated Revco Ultima II Models only Thermo Scientific Revco Chest and Upright Freezers Installation and Operation The following indicators are available only when the freezer is equipped with the optional backup system refer to Section 6 3 4 on page 7 20 Backup System Supply On Indicator 21 Backup System Empty Indicator 22 Backup System Battery Low Indicator 6 2 Start Up Refer to Section 6 1 and Figure 2 on page 4 as you complete the following procedures 6 2 1 Turning the Power On To start up the Revco Ultima II Ultima and Elite Series Freezers complete the following steps 1 Plug the freezer into the power outlet refer to Section 4 2 on page 2 2 Turn the key switch to the POWER ON position The Power On LED and the Cabinet Temperature LED illuminate Note The alarm function is not active at this time Refer to Section 5 2 3 for information about setting the alarms In addition for Revco Ultima II units only the Setpoint Security will be deactivated in this key position 6 2 2 Setting the Cabinet Temperature To set the cabinet temperature complete the following steps 1 For Revco Ultima II units press and hold the Control Setpoint pad 2 The Control setpoint LED lights and the Cabinet Temperature LED goes out 3 Press and hold A to increase the temperature or 7 to decrease the temperature The digital display scrolls through temperature settings 4 Release both pads
38. perature display changes to read the existing setpoint value 2 Turn the setpoint screw clockwise for a colder setting and counterclockwise for a warmer setting until the desired setpoint shows in the digital temperature display 3 Release the Setpoint Display button The digital temperature display returns to the cabinet temperature 7 2 3 Optional Alarm The optional Revco Value Series Alarm is operated by the freezer electronic control system The alarm is preset at the factory with a warm alarm setpoint For units designed to operate at 75 C and 85 C the alarm setpoint is approximately 90 of the freezer temperature setpoint For example if the freezer setpoint is 80 C the alarm setpoint is 72 C For units designed to operate at 50 C and warmer the alarm setpoint is 80 of the freezer temperature setpoint For example if the freezer setpoint is 45 C the alarm setpoint is 36 C To activate the alarm wait until the freezer reaches operating temperature and turn the key switch to the ALARM ON position WARNING You must turn the three position key A switch to the ALARM ON position to activate the alarm and place it in operation Thermo Scientific Revco Chest and Upright Freezers Installation and Operation 8 Maintenance and Troubleshooting WARNING Unauthorized repair of your freezer will A invalidate your warranty Contact Technical Service at 1 800 438 4851 for additional information CAUTI
39. rol lock e Hasps for a standard padlock to provide additional security Durable construction for reliable operation and safe product storage CAUTION When moving the freezer always grasp A cabinet surfaces never pull the freezer by the latch handle 5 4 1 Opening the Door 1 Remove the padlock if you have one 2 Move the key into the open position by rotating it counter clockwise 3 Grasp the latch handle preferably with your left hand and pull it toward yourself until the latch disengages from the cabinet strike 4 Keep pulling by the latch handle or the integrated door handle to open the main door 5 4 2 Closing the Door Note that the latch does not self engage automatically when you close the door You must rotate the latch into the open position first 1 Grasp the latch handle preferably with your left hand and pull it toward yourself rotating the latch into the open position 2 Move the freezer door into the closed position and gently push the handle away from you making sure that the latch engages fully with the cabinet strike CAUTION Closing the door without making sure A the latch engages fully with the strike can result in substantial prying forces on the door 3 Keep applying gentle pressure to the latch handle until the latch is securely in closed position 4 Insert the key and rotate clockwise to lock 5 Replace the padlock if you are using one 5 5 Pressure Equalization Port When an
40. tainers hold liquid at room temperature and high pressure Several bottles can be connected together increasing the effective length of standby refrigeration 10 1 3 Voltage Safeguard This fully automatic device monitors the supply voltage and increases voltage if necessary so the freezer always operates within the factory recommended limits Revco Ultima II models are factory equipped with this device CAUTION The Voltage Safeguard unit does not allow you to operate a 115 volt product on 230 volts or vice versa It is designed to provide 5 to 15 voltage correction depending on the freezer model 10 2 Remote Alarm The remote alarm terminals on the back of the freezer are connected to freezer internal dry contacts You can connect a remote alarm package with a separate 24 volt power supply For accessories and options not described herein or for special modifications contact Customer Sales Inventory Rack Capacity Chart for Revco Ultima Elite and Value Series Rack Catalog No Cubic Foot Capacity Rack Quantity Box Size in 1 34 4 5 6 8 10 3 13 7 171 20 5 13 4 172 20 2 24 4 For ULT Chest Freezers 5972 Full Rack 7 2 in boxes mE 9 12 5973 Full Rack 5 3 in boxes 9 12 5978 Full Rack 11 2 in boxes 12 18 24 30 36 6096 Full Rack 8 3 in boxes 12 18 24 30 36 6230 Half Rack 6 2 in boxes 24 36 48 60 72 6231 H
41. unds WARNING You must turn the three position key A switch to the ALARM ON SETPOINT SECURITY position to activate the alarm and place it in security operation 6 2 4 Alarm Reset amp Status Lights Revco Ultima Il and Elite Freezers The alarm reset feature ensures user acknowledgment of the occurrence of certain alarm conditions This provides greater monitoring power by alerting the user if an alarm condition has occurred during periods when the freezer must be left unattended The alarm conditions incorporating this feature are Temperature Failure Warm Alarm Temperature Failure Cold Alarm Voltage Low Power Failure Life Guard Alert Revco Ultima II only Extreme Ambient Alert Revco Ultima II only During any of these alarm conditions the corresponding indicator will flash quickly approximately 90 times per minute If the alarm condition then disappears the flash rate will decrease to approximately 15 times per minute The indicator will then remain flashing at this rate unless the condition reoccurs until the Alarm Reset button is pressed Once this has occurred the indicator will no longer be lit Inthe case of TEMPERATURE FAILURE WARM ALARM and TEMPERATURE FAILURE COLD ALARM if these conditions have occurred but are now within the given limits the two indicators will alternately flash 180 out of phase In addition for these two temperatures failures the highest temperature and lowest temperatur
42. ure to the measured cabinet temperature If necessary adjust recorder by pressing the left 1 and right 2 chart buttons Note The stylus does not begin to move until the button is held for five seconds 11 Thermo Scientific Revco Chest and Upright Freezers Installation and Operation 10 Optional Equipment In addition to the optional chart recorder the following equipment is available for some freezer models Refer to the Accessories section on page 12 for more information on these and other options including inventory racks and storage boxes For additional information contact your dealer or Customer Sales at 1 800 252 7100 10 1 Backup Protection Devices Liquid Nitrogen and Liquid CO systems are available to protect your product in case of a prolonged power failure These systems are powered by a rechargeable battery with a built in automatic charger Refer to Section 6 3 4 on page 7 for additional information 10 1 1 Liquid Nitrogen LN This system uses portable and locally refillable bottles These containers keep the liquid at low temperature and pressure by continually venting a small amount of gaseous N gt You must check the liquid level indicator daily to assure an adequate emergency supply 11 Accessories Note 10 1 2 Liquid CO This system uses portable and locally refillable bottles that are not vented and have a virtually unlimited standby life unless they develop a leak These con
43. ystem is factory installed the freezer is shipped with a coiled length of tubing to connect the freezer to the bottles 3 8 in OD copper tubing for connection to the COs supply 5 8 in OD copper tubing covered with Armaflex insulating tubing for connection to the LN supply Straighten the coiled tubing and connect one end to the labeled connection on the freezer and the other end to the supply bottle or building supply fitting 6 3 3 Operation To activate the optional backup system complete the following steps 1 Push the Power Switch to the ON position The digital temperature display window shows the current cabinet temperature 2 Press and hold the Push to Set button to display the setpoint temperature in the digital temperature display window 3 Use a small screwdriver to rotate the Setpoint Adjust screw until the correct backup operating temperature shows in the display window The recommended setpoint is 10 to 15 C above normal cabinet temperature Note The temperature shown in the display window is accurate to 1 C The backup system can run for a minimum of eight hours on battery power WARNING You must push the Power Switch to the ON position in order to activate the backup system 6 3 4 System Status Lights In addition to the backup control system the built in backup system includes main control panel system status lights These lights are only available when the backup system is installed
44. zer stand with doors open for at least 24 hours This allows both the interior and foamed refrigerant system to warm to room temperature 5 Dispose of the ice and wipe out any water standing in the bottom of the cabinet 6 If there is freezer odor wash the interior with a solution of baking soda and warm water Clean the exterior with any common household cleaning wax 7 Close the doors restart the freezer and reload following the instructions in Section 3 3 on page 1 A uN 8 4 Alarm Battery Maintenance Have a technician check the condition of the alarm battery at least once a year To replace the alarm battery complete the following steps 1 Pull open the front grill The alarm battery is located directly behind the grill The terminals are the push on type 2 Grasp the terminal with pliers and work it gently back and forth while pulling it off The fittings are tight 3 Remove the battery and put the new battery in place Note You may have to cut a strip of silicone rubber in order to remove the battery 4 Connect the battery terminals and replace the front grill 8 5 Troubleshooting Procedures Table3 Troubleshooting Procedures Problem Solution Check Fuse Surge protector is blown Call an Electronics indicator is on Technician to check the equipment Clean Filter indicator is On Condenser filter is dirty Refer to Section 8 1 2 Alarm battery is low on charge Have a technician
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