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Refrigerator Service Manual

1. F UNIT COOLER lo D 4 Y HJ FAN DELAY THERMOSTAT DEFROST 120 and 125 models V END OF MANUAL JUNCTION BOX HD C AUDIBLE 12V DC 12VACI R ALARM 23 DEFROST SNUBBER HEATER CIRCUIT S HO TEMP CONTROL XFMR HA CONTROL MONITOR BOARD Z o COM HB TEMPERATURE Fa EXTERIOR CONTROL 2 be PROBE No CONTACTS CONTROL E UNIT COOLER RTD YELLOW FAN HC UPPER S DEFROST HEATER CHAMBER LIMIT THERMOSTAT PROBE 5 l o a MONITOR RTD E E HM M Door Access Keypad DOOR SWITCH Option ooo ur DEFROST ggg 9v L CONTROL D HH MONITOR COMPRESSOR Fla BATTERY 3 A SN ooo 1 202 BACKUP e 1 et 2 LI 5 7 d LR IT CANA TIMER cB XL TIMER CHART RELEASE 33 J COMPRESSOR RELAY G RECORDER Basch PROBE V SOLENOID COI RECORDER W SOLENOID VALVE Ta n H K CONDENSING UNIT BATTERY 12VAC wh FAN MOTOR
2. m olojo 12 2 1 Set Current Time Switch the AC ON OFF switch OFF Turn the Alarm Disable key switch OFF Remove the electrical box cover on the back of the freezer Rotate the time adjustment ring clockwise until the current time indicators show the current time Replace the electrical box cover Switch the AC ON OFF switch ON Turn the Alarm Disable key switch ON Press the Mute button to disable the high temperature alarm while freezer reaches operating temperature OO Om P Go M 12 2 2 Set Defrost Time Default setting of 3 defrost events per day Default times are 12 00 AM 8 00 AM 4 00 PM Defrost events can be added or removed Defrost events can be scheduled for any time of day in 15 minute intervals Defrost cycle lasts 15 to 30 minutes Defrost events must be at least 1 hour apart vVvvvvvv NOTE Three defrost cycles are recommended for consistent freezer operation 12 2 3 Schedule a Defrost Event gt Switch defrost event switch es to the ON position outside to initiate a defrost event at that time gt Switch defrost event switch es to the OFF position inside to cancel a defrost event at that time 1 Switch the AC ON OFF switch OFF Turn the Alarm Disable key switch OFF 2 Remove the electrical box cover on the back of the freezer 360144 D B 51 gt Helmer Horizon Series Models 12 3 12 3 1 360144 D B 3 Add a defrost event gt A e appropriate time mark position the swi
3. Helmer I E NTI Freezer Service Manual i Series and Horizon Series Helmer Helmer Helmer Helmer E a Model Group i Series Horizon Series Plasma Storage iPF120 iPF125 Version D HPF120 HPF125 Version D Laboratory iLF120 iLF125 Version D HLF120 HLF125 Version D HELMER SCIENTIFIC 14400 Bergen Boulevard atal Noblesville IN 46060 USA PH 1 317 773 9073 FAX 1 317 773 9082 USA and Canada 800 743 5637 360144 D B ISO 13485 2003 CERTIFIED Sr Helmer Document History Revision Date CO Supersession Revision Description A 11 DEC 2012 8187 n a Initial release B 22 APR 2013 8300 B supersedes A Revised electrical schematics for Horizon Series freezer Date submitted for Change Order review Actual release date may vary 360144 D B Helmer Contents Section I General Information llle eere 6 1 About this Man al insu sor US EE SE USE RR ee CR D aan EN Ed ee ad eee 6 1 1 Intended Audiences 14 40 a5 40 4008 244 RE RR dE NEI EE ENEE ES RE SERA ERR veda gous 6 12 Model ReferenCess s iso etae EXER onda EATEN WE EC E ERR E EOS ROAR Wee ER REP BEA SO 6 1 3 Copyright and Trademark EEN ENEE EEN EE Ropa ea 6 2 Sally sectaria rr EUER de ERE EE REEF P EDEPd T qe e REEAFENEE 6 24 Labels i cum o e Ra a a CROP OE GC d CERE ENER CX ORA CR S RYE E 6 KC SE ele tuell ie EE 6 3 el TE EE 7 3 1 Model and Input Power 7 3
4. Monitor control board is faulty Replace parts with those included in the control board kit or replace the monitor control board Alarm setpoint was gt Check the current setpoints for the alarms is not active changed A component is gt Contact Helmer Technical Service faulty or internal connections are loose The High Temperature Connections for the gt Test the chamber temperature probe connections alarm activates when the door is opened then clears shortly after the door is closed chamber temperature probe are loose Secure the connections if necessary Chamber probe is faulty Test the probe Replace the probe if necessary Unit cooler fan continues to run while the door is open Test the door switch and unit cooler fan connections Secure the connections if necessary Replace the door switch or fan motor if necessary Probe bottle is empty Check the level of product simulation solution in the bottle Clean and refill bottle if necessary 360144 D B High temperature gt Check the setpoint Change the setpoint if alarm setpoint is set necessary too low A component is gt Contact Helmer Technical Service faulty or internal connections are loose The freezer is Outlet connection is gt Verify power at the outlet Repair the original connected to power faulty outlet or connect to a different outlet if necessary but the AC Power
5. Clean as necessary or order new ones from dirty Helmer or your distributor Compressor is gt Check the condenser grill and clean if necessary overheating due toa Confirm the freezer is correctly located Refer to lack of air flow the operation manual Condenser probe is gt Confirm the condenser probe is reading correctly not calibrated Calibrate the probe if necessary Condenser alarm gt Confirm the alarm setpoint is at the appropriate setpoint is too low value Condenser fan motor gt Replace the condenser fan motor is faulty A component is gt Contact Helmer Technical Service faulty or internal connections are loose An alarm activated Monitor settings are gt Confirm the temperature probe is reading correctly but the temperature not calibrated Calibrate the probe if necessary recorded at activation Temperature changed gt No action necessary does not match the slightly around the alarm setpoint time of activation The No Battery Battery voltage level gt Replace the backup battery for the monitoring alarm is activating on the backup battery system sporadically for the monitoring system is low The High Temperature Upper chamber gt Confirm the probe bottle is full of solution and the alarm is activating temperature probe is probe is placed in the bottle correctly sporadically not immersed in the product simulation solution A component is gt Contact Helmer Technical Service faulty or internal c
6. Description Part Number pne A Unit cooler assembly 120476 F B Unit cooler fan motor 120548 E C Temperature control probe 800048 1 IT D Defrost heater limit thermostat 800014 1 S E Defrost heater 120567 R F Expansion valve 120495 Not Defrost temperature probe IL shown 360144 D B 45 Helmer i Series Models 10 4 2 Storage Helmer Helmer Storage features left LF125 model shown right iPF125 model shown Label Description Part Number A Full shelf includes hardware 120 model 400414 1 125 model 400414 2 B Drawer assembly includes drawer 2 120 model 400584 2 slides hardware 125 model 400584 1 Not Drawer slide assembly right side 120 model 400541 3 shown 125 model 400541 1 Not Drawer slide assembly left side 120 model 400541 4 shown 125 model 400541 2 Not Roll out basket assembly optional 120 model 400890 1 shown includes basket 2 slides hardware 125 model 400890 2 Not Roll out basket slide assembly right side 120 model 400541 3 shown 125 model 400541 1 Not Roll out basket slide assembly left side 120 model 40054 1 4 shown 125 model 40054 1 2 Not Drawer slide wheel 320815 1 shown Not Half shelf includes hardware 400413 1 shown 360144 D B 46 Helmer i Series Models 10 4 3 Door and Hinge Helmer QW TO nm ug Door and hinge features PF125 model shown Label Descri
7. Section I General Information 1 1 1 2 1 3 2 1 2 2 About this Manual Intended Audience This manual is intended for use by end users of the freezer and authorized service technicians Model References Generic references are used throughout this manual to group models that contain similar features For example 125 models refers to all models of that size iPF125 HPF125 iLF125 HLF125 This manual covers all upright freezers which may be identified singly by their size or by their respective Series Copyright and Trademark Helmer i Series i C s Horizon Series and Rel i are registered trademarks or trademarks of Helmer Inc in the United States of America Copyright O 2013 Helmer Inc All other trademarks and registered trademarks are the property of their respective owners Helmer Inc doing business as DBA Helmer Scientific and Helmer Safety Includes general safety information for freezer operation Labels Caution Risk of damage mos Caution Unlock all casters to equipment or danger to N exis 7 operator EH Caution Shock electrical hazard Protective earth ground terminal Caution Hot surface lI Earth ground terminal Avoiding Injury Review safety instructions before installing using or maintaining the equipment Do not open multiple loaded drawers at the same time Do not move a unit whose load exceeds 900 Ibs 408 kg Before moving unit ensure casters
8. on the Delay on Start Up spin box gt Compressor startup is delayed to allow the i C monitoring and control system to start first 7 Touch or on the Duty Cycle of Control Relay during Probe Failure spin box gt The duty cycle is the percentage of time the compressor will run in the event of a temperature control probe failure 8 Touch plus or on the Defrost Time spin box gt The defrost time is the maximum allowable duration which the defrost probe will heat the evaporator This value is set to prevent the chamber temperature from increasing excessively due to a long defrost cycle 7 3 Setting Initial Factory Value Temperature Setpoint 30 0 C Hysteresis Setpoint 2 0 C Delay on Start Up 2 minutes Duty Cycle of Control Relay during Probe Failure 10096 Defrost Time 15 minutes Temperature Calibration Temperature calibration values are programmed at the factory Calibration values can be viewed and changed through the i C monitoring and control system To view calibration settings touch Home i C APPS Settings Details for each setting are displayed 01 01 2010 833297 Calibrated ULL 30 0 C 50 0 C 80 0 C Control Sensor Evaporator Defrost Upper Temperature Lower Temperature Compressor Probe Temperature Temperature Calibration screen NOTE gt Ifthe Settings screen is password protected or if viewing settings for the first time enter factory
9. 2 Como SYSTEM aa a EA ead t dee 7 Ka Mei tel DEE 7 3 2 2 Horizon Series Control System 104 aa la a a A 8 3 3 Temperature Probes o o o oo lr ete ee G 8 3 3 4 Fill Temperature Probe Botte 8 3 3 2 Install Additional Probe Through Top Port 8 3 4 Chart Recorder esee URL n ehe ee day edis e de heh de code bre el ede 9 3 4 1 Chart Recorder Access 9 3 42 Install Chart Paper acis aed sucks 44 1a Ge CE SR Nee A AA NUR Lond ON 9 4 References and Compliance eene 10 41 Alarmrmfeterence esser deese Qa s Ge aa howe as A Sex Se CEU RENE A 10 42 Regulatory Compliance e eysa stans NEE AEN ANER AT NENT d ANNE NEE eduxi ERE SERES 10 43 WEEE Compliance saaa se aaia AA AA A UR OPE a Wald ENEE RIS EA A MR SR 10 S Wa dni soos ns sordo rbd 11 5 1 Reli Product Warranty USA and Canada o ooocccoccc e 11 5 1 41 Rapid Resolution gi carrida eenia rr 11 5 1 2 COMPFESSOE s is usa dass x xen doe eie E Nue S a RU RODA a SCENE oe Khe oa ee Ra 11 DTS TEE 11 5 1 4 L t or ok eC Res P em bod Ro b ded ee ERROR ed bb Gd i doe had 11 5 1 5 Additional Warranty Information lisse eee ae 11 5 2 Outside of USA and Canada WEE 12 Section Il i Series Models 225252 ERREUR EE dd 13 6 Product Configuration EE 13 6 1 Install Battery for Backup Power AER ee bbe oe bbe NEEN EIER eb AA 13 6 2 Automatic Defrost Cycle irian rart a A E EE CES ETE 14 6 3 External Monitoring DEVICES issue dee ee eee de IER ai 14 6 3 1 Connect to Remot
10. BACKUP CHART RECORDER XFMR E S O LT OUT 12 OUT O O 2 COMPRESSOR D jol EXTERNAL DRAIN FAN O Q3 EXTERNAL DRAIN FAN RFI FILTER uy MULLION ol HEATER TEMP CONTROL XFMR Q O 4 TEMP CONTROL XFMR jol QOs LIIN GND L2IN 3 p JOL O ANA CHART RECORDER XFMR L O 6 CHART RECORDER XFMR iot DEFROST CONTROL Q Q 7 DEFROST CONTROL m DRAIN LINE jol HEATER DRAIN LINE HEATER 9 Q 8 DRAIN LINE HEATER C iO MULLION HEATER O O 9 MULLION HEATER MAIN POWER 3 AAA C o SWITCH Q Ord 12V DC POWER SUPPLY O Onl 12V DC POWER SUPPLY G CONDENSATE m JOL O12 CONDENSATE EVAPORATOR O12 CONDENSATE EVAPORATOR L B EVAPORATOR uu oe O Co CIRCUIT TERMINAL TERMINAL oY BREAKER CY E STRIP STRIP GROUND TERMINAL g Q EXTERNAL DRAIN FAN V Ge 11213141 5 6 7 8S 9119 CD POSER a 32832 POWER CORD H 23823 NEMA 6 15 Horizon Series Freezer E aigi nog 2 m E a5 HPF and HLF E MAIN POWER i 230V 50 Hz 208 230V 60 Hz 360144 D B 81 HELMER SCIENTIFIC 14400 Bergen Boulevard Noblesville IN 46060 USA PH 1 317 773 9073 FAX 1 317 773 9082 www helmerinc com e Cc E Imer N 1 F C
11. Verify power at the outlet Repair the original connected to power but the AC Power Failure alarm is active faulty outlet or connect to a different outlet if necessary Power cord is faulty gt Confirm the power cord is connected securely Secure the power cord if necessary ON OFF AC power gt Replace the ON OFF AC power switch switch located inside the front lower panel is faulty ON OFF AC power gt Turn the ON OFF AC power switch to the ON switch is OFF position A component is gt Contact Helmer Technical Service faulty or internal connections are loose Circuit breaker was gt Confirm the circuit breaker switch is seated tripped Push the circuit breaker switch to reset the circuit breaker 70 Helmer 360144 D B Problem Possible Cause Horizon Series Models Action The Door Open alarm is activating sporadically Door is not closing completely Confirm the hinge cams are not damaged Replace the cams if necessary Door is closing but not gt Confirm the door gasket seals completely sealing completely Replace the door gasket if necessary Connections for the gt Test the switch connections Secure the door switch are faulty connections if necessary Door switch is faulty gt Replace the door switch Monitor control board Replace parts with those included in the control is fa
12. are free of debris Never physically restrict any moving component Avoid removing electrical service panels and access panels unless so instructed Use supplied power cords only LA A AA A AAA UN CAUTION Decontaminate parts prior to sending for service or repair Contact Helmer or your 360144 D B distributor for decontamination instructions and a Return Authorization Number gt Helmer General Information 3 3 1 3 2 3 2 1 360144 D B Configuration Model and Input Power NOTE Service information varies depending on the model and power requirements This information appears on the product specification label located on the rear of the freezer below the electrical box The model also appears on a label located in the chamber on the upper side of the right wall REF IPF125 REF IPF125 2 yis Helmer REF SN 2000000 ee Boulevard Version D www helmerinc com Version D Pharmacy Freezer Voltage 230 V D l Weight 551 Ib 250 kg HZ 60 www helmerinc com Amps 43A Power 0 99 kW e Refrigerant Type 404A Certified UL 61010 1 CSA 61010 1 Made in USA Left Chamber label Right Product Specification label Label Description A Model REF Serial number B C Version D Power requirements Control System NOTE Service information varies depending on the control system Helmer freezers have one of two control systems installed The type of control sy
13. bottle correctly sporadically in the product simulation solution A component is gt Contact Helmer Technical Service faulty or internal connections are loose Chamber temperature gt Confirm the temperature probe is reading correctly probe is not calibrated Calibrate the probe if necessary 71 Helmer 15 4 360144 D B Condensation and Icing Problems Problem Possible Cause Horizon Series Models Action There is excessive water in the water evaporation tray inside the lower compartment in the back of the unit Humid air is entering the chamber gt Confirm the freezer is level and the door is aligned closing tightly and sealing correctly Correct issues as necessary Heater in the water evaporation tray is faulty gt Confirm the heater is hot and is drawing the correct current approximately 0 21 A to 0 35 A Replace the heater if necessary There is excessive ice in the chamber Humid air is entering the chamber gt Confirm the freezer is level and the door is aligned closing tightly and sealing correctly Correct issues as necessary Unit cooler drain line is damaged or restricted gt Confirm the unit cooler drain line is free of debris and is not restricted Remove debris if necessary Drain line is plugged gt Confirm the drain tube is free of debris Remove debris if necessary External drain fan is faulty gt Confirm
14. defrost events is dependent on environmental conditions and the frequency of usage The recommended number of daily defrost cycles is 3 to 4 at even intervals Defrost events should take place when the freezer door is opened infrequently NOTE Depending on the high temperature alarm setpoint and the actual temperature increase during the defrost cycle frequent door openings may trigger repeated high temperature alarms The i C monitoring and control system can perform a maximum of four defrost cycles per day For information in setting the system time and the time at which each defrost cycle occurs refer to the i C User Guide Defrost Event On Off Default Time 1 On 12 00 AM 2 On 8 00 AM 3 On 4 00 PM 4 Off 6 00 PM NOTE There must be a minimum of 4 hours between defrost cycles External Monitoring Devices The remote alarm interface is a relay switch with 3 terminals gt Common COM gt Normally Open NO gt Normally Closed NC Terminals are dry contacts and do not supply voltage Interface circuit is either normally open or normally closed depending on terminals used Requirements for your alarm system determine which alarm wires must connect to terminals NOTE Do not connect any monitoring device that exceeds the maximum load capacity The terminals on the remote alarm interface have the following maximum load capacity gt 0 5Aat 125 V AC 1 A at 250 V DC Connect to Remote A
15. free drawer slides of ice De ice if necessary Drawer is misaligned gt Confirm both slides for the drawer are mounted at or not level the same height Drawer slide is faulty gt Confirm the slide is operating correctly Replace if necessary The door does not Debris in the hinges gt Confirm the hinges are free of debris Clean the open easily hinges if necessary Door hinges are not gt Using a general purpose grease lubricate the lubricated pivots in the hinges Hinge cam is faulty gt Confirm the hinge cam is not damaged Replace the cam if necessary The monitor display is Screen brightness is gt Change the screen brightness hard to read set too low The alarm monitor is Digital electronics are Reset the monitoring system not responding locked because of an interruption in power Probe Failure is Defrost probe or gt Check the continuity of the probe wiring and displayed on the temperature probe connections Secure the connections if necessary monitor wiring is an open gt Confirm the probe is providing resistance in the circuit range of 86 O to 110 O Replace the probe if necessary 32 Helmer Chamber Temperature Problems Problem Possible Cause i Series Models Action The chamber temperature displayed is higher or lower than the actual temperature Chamber temperature probe s is not calibrated gt Check the chamber temperat
16. i C3 J18 Pin 9 T Drain Line Heater L1 TERMINAL STRIP Q EXTERNAL DRAIN FAN U Mullion Heater CD y COMPRESSOR i C3 Power PCBA J Condensate Evaporator From i C3 J18 Pin 4 GROUND TERMINAL ii 4 L2 NEUTRAL TERMINAL STRIP 10 a o a E HOSS3HdMWO2 e Alddns YIMOd OG 360144 D B 48 Helmer 360144 D B Q Bezel Mount iM r H 1 H i H i 1 1 1 H i H i i H 1 i H 1 H H 1 i H 1 H H i i H i H H i i H i H H i i H i H i d i i H i H i i H H 1 H i 1 H d 1 H i 1 H d 1 H H i H L le 5 w R SD Memory Card HEEM o gg i C3 Display PCBA LABEL SERIAL NUMBER 5 ucr D Geh LCD Touch Screen i Series Freezer CR2032 en T I Components e e C A jw ome iPF and iLF E p WEM uu 120 and 125 models aN CO i HELMER I
17. i Series Models Check the battery 1 Switch AC ON OFF switch OFF a Screen should continue to display information with reduced brightness b Battery icon will appear on the screen c If the display is blank replace battery 2 Switch AC ON OFF switch ON NOTE Use a battery which meets specifications outlined in chapter 8 7 Supplies 8 3 Clean the Freezer 8 3 1 Condenser Grill NM CAUTION Disconnect freezer from AC power when cleaning In environments where freezer is exposed to excessive lint or dust condenser grill may require cleaning more frequently than stated in preventive maintenance schedule Clean the condenser grill using a soft brush and a vacuum cleaner 8 3 2 Exterior Clean glass surfaces with soft cotton cloth and glass cleaner Clean exterior surfaces with soft cotton cloth and non abrasive liquid cleaner 8 3 3 Interior Clean painted surfaces with mild detergent Clean stainless steel surfaces with a general purpose laboratory cleaner suitable for stainless steel 8 3 4 Door Gaskets Clean with soft cloth and mild soap and water solution 8 3 5 Clean and Refill Probe Bottles NOTE A kit that includes a probe bottle and propylene glycol is available from Helmer Obtain gt Fresh water bleach solution not provided gt 1 9 ratio of bleach to water gt Bleach is 5 solution of commercial sodium hypochlorite NaOCl gt Equivalent oxidizing cleaner disinfectant approved by your organi
18. into the USB port on the i C bezel The flash memory device can be inserted while any screen displayed on the i C 2 Wait 15 to 30 seconds for the calibration file to load 3 When the calibration screen appears remove the flash memory device from the USB port 4 Follow the on screen instructions touching the crosshair icons as they appear on the screen NOTE For accurate calibration results and to avoid damage to the touchscreen touch the crosshairs with the eraser end of a pencil 5 After all crosshairs have been touched the i C will reboot and display the language screen NOTE gt For accurate calibration results and to avoid damage to the touchscreen touch the crosshairs with the eraser end of a pencil gt Ifthe screen was unintentionally touched outside of any of the crosshair icons the screen may be recalibrated using the process outlined above 25 F Helmer i Series Models 7 7 8 1 8 2 360144 D B View Manufacturer and Product Information View version information for contacting Helmer 1 Touch LC APPS Contact Helmer 2 Manufacturer contact information appears 3 Software version appears Maintenance NOTE gt Refer to the operation manual for the preventive maintenance schedule gt Before performing maintenance protect items in freezer from extended exposure to adverse temperature gt Allow freezer temperature to stabilize at setpoint after performing serivce or after extended
19. so ehe CR Bod XUI NNN Red NN ANEN NEEN NNN dU 25 7 7 View Manufacturer and Product Informati0N o oooococoooooooo seres 26 B Maitenal6B seaccsebaasxees dr eusSwescUsevetcSeE S Ed a RUE RODA WU Re i 26 98 1 Recharge Rerrigerant 25 b EENS REEL AE EE EE dada ide 26 8 2 Check Monitoring System Battery liliis ra 26 8 3 Clean the Freezer sie sce cese bee nea ea heal bee ee ea ee ea E 27 8 3 1 Condenser Grill eege iaa da es hae eA NEE a hear ek Ae a EUR 27 B32 IEXICHOR EE 27 A EE 27 8 3 4 Door Gaskets 22378 a A ORC REA A REN RA 27 8 35 Clean and Refill Probe Bottles nor 27 9 3 0 TC 3s TOUCOSCIS Ny decia hx ERAS a a EE A e EE OCA E EE RAUS RES 28 8 4 Defrost the Unit Cooler i c one oe eC oes pd Ee EEN d ER ie e n 28 8 5 Unit Cooler Removal and Installation 0 00000 ccc tees 28 8 5 1 Remove the Unit Cooler Cover 29 8 5 2 Install the Unit Cooler Cover 29 8 6 Access Control Cartridge Removal and Installation llle 30 6 1 Cartridge Remioval 3 mde et bechte EE ie MR ee EE EE 30 8 6 2 Cartridge Installation EEN NEIE REENEN RER dd 30 8 17 S PpllOS ce ui iue ls a A RR RR A AAA AA tier RU A a do eh Bg 31 9 Troubleshooting cri e a ii is a ia E 32 9 1 General Operation Problems ooocoooocooo er nes 32 9 2 Chamber Temperature Problems 33 9 3 Alarm Activation Problems 34 94 Testing Problems aas ht Ene AA n Rank RR RR PT UR ERRARE NA aad RU ESAE 38 9 5 Condensati
20. the external drain fan is running Hold a piece of paper in front of the fan and confirm that the paper is being drawn toward the freezer gt Confirm the connections are secure Tighten connections if necessary gt Replace the drain line fan if necessary Connection between the unit cooler and the drain line is loose gt Confirm the connection is secure Tighten the connection if necessary There is excessive moisture on the door Humid air is entering the chamber gt Confirm the freezer is level and the door is aligned closing tightly and sealing correctly Relative humidity around freezer is too high gt Confirm freezer location meets requirements After a defrost cycle no water flows into the water evaporation tray Not enough time has elapsed since the end of the defrost cycle gt Allow approximately 20 minutes after the end of the defrost cycle to check for water in the evaporation tray Drain line is plugged gt Confirm the drain tube is free of debris Remove debris if necessary Drain line heater is faulty gt Confirm the drain line heater is warm to the touch Contact Helmer Technical Service to resolve issues as necessary Defrost heater on the evaporator in the unit cooler is not working gt Check for ice buildup on the evaporator by looking through the fan grill with a flashlight If there is significant ice buildup inside or behind the unit c
21. the holes in the cabinet Latch Metal latch Nylon latch bushing bushing Nylon spacer Hand thread screws NOTE Ensure wires are not pinched between the cartridge and the cabinet 5 Using a screwdriver tighten the screws 6 Connect the electrical wires from the cabinet to the wires from the cartridge 7 Bundle the excess wiring and secure it to the back of the cartridge with a zip tie NOTE Latch must be in the unlocked position rotated toward the back of freezer before installing cartridge cover 8 Install the Access Control cartridge cover a Place the cover over the cartridge and align the screw holes with the holes in the cabinet b Hand thread 3 screws into the holes in the cabinet c Using a screwdriver tighten the screws 9 Close freezer door 10 Switch AC ON OFF switch ON Reconnect the battery 11 Press the Mute button to disable the high temperature alarm while freezer reaches operating temperature Supplies Refrigerant non CFC R 404A Chart paper 220419 52 sheets Propylene glycol solution 400922 2 1 9 V non rechargeable lithium or equivalent battery 120399 1 9 V non rechargeable alkaline or equivalent battery 120218 66 gt Helmer 15 Troubleshooting N CAUTION Horizon Series Models Review all safety instructions prior to troubleshooting Refer to chapter 2 Safety 15 1 General Operation Problems Problem Possible Cause Action A
22. toward the condensate drain line Side to Side 1 Using a wrench raise or lower leveling feet 2 When freezer is properly leveled bottom of the unit cooler will be horizontal parallel to the floor Optional Adapter Kits for Medication Dispensing Locks Contact Helmer Technical Service or your distributor for service documentation pertaining to medication dispensing locks 16 gt Helmer i Series Models 7 Settings Through the i C monitoring and control system current settings may be viewed and changed To view settings touch Home i C APPS Settings Use a touch drag motion to scroll up or down to display additional settings NOTE If the Settings screen is password protected or if viewing settings for the first time enter factory default password of 1234 When there is no interaction for two minutes the Temperature Setpoint screen closes and returns to the Home screen Default values for general settings alarm settings and display settings are available in the i C User Guide Changing temperature settings affects operation of the freezer Do not change settings unless instructed in product documentation or by Helmer Technical Service Yy wv v v The i C temperature monitor and controller is programmed at the factory To change a setting first enter the Settings mode then the setting The method for accessing the Settings mode for each setting varies 7 1 Home Screen The Home screen appears when g
23. years gt Horizon Series model compressor warranty period is three 3 years Parts For a period of two 2 years Helmer will supply at no charge including freight any part that fails due to defects in material or workmanship under normal use with the exception of expendable items Expendable items such as glass filters light bulbs and door gaskets are excluded from this warranty coverage Inspection of defective parts by Helmer will be final in determining warranty status Warranty procedures must be followed in all events Labor For a period of one 1 year Helmer will cover repair labor costs including travel and the cost of refrigerant and supplies necessary to perform authorized repairs Repair service must be performed by an authorized Helmer service agency following the authorization process detailed above Alternatively your facility s staff may work with a Helmer technician to make repairs Labor costs for repairs made by unauthorized service personnel or without the assistance of a Helmer technician will be the responsibility of the end user Additional Warranty Information The time periods set forth above begin two 2 weeks after the original date of shipment from Helmer Warranty procedures set forth above must be followed in all events THERE ARE NO WARRANTIES WHICH EXTEND BEYOND THE DESCRIPTION ON THE FACE HEREOF THIS WARRANTY IS EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING WIT
24. 3 shown 125 model 400541 1 Not Roll out basket slide assembly left side 120 model 400541 4 shown 125 model 400541 2 Not Drawer slide wheel 320815 1 shown Not Half shelf includes hardware 400413 1 shown 360144 D B 79 Helmer 16 4 3 Door and Hinge Helmer Door and hinge features HPF120 model shown mu Horizon Series Models lI omn Label Description Part Number ie ue A Door lock functions as Access Control manual 220540 override lock on models equipped with Access Control option B Upper hinge bracket Left hinge 400376 2 Right hinge 400376 1 C Hinge bearings 220375 D Door gasket 320726 1 E Door bumper 220441 F Lower hinge cam quantity 2 320742 1 G Door stop 320763 1 H Lower hinge bracket Right hinge 400377 1 Left hinge 400377 2 Not Access Control 12 V power supply included with 120505 HN shown Access Control option Not Access Control lock cartridge assembly cabinet Left hinge 800020 1 N shown side included with Access Control option Right hinge 800020 2 360144 D B 80 Helmer Horizon Series Models 17 17 1 Schematics N Door Lock Solenoid Option O ALARM KEY HE SWITCH O HN 12V DC POWER SUPPL Option HPF and HLF Models 120 and 125 Configurations
25. 7 Helmer Horizon Series Models Label Description Part Number Ee Not Strike plate replacement kit includes strike 400687 1 shown plates 2 vertical 2 horizontal with pre applied foam tape foil tape and instructions Not Unit cooler F shown 16 4 1 Unit Cooler A Left Unit cooler Center and right Unit cooler parts TT Schematic Label Description Part Number Label A Unit cooler assembly 120476 F B Unit cooler fan motor 120548 E C Fan delay defrost termination thermostat 800085 1 HJ D Temperature control probe 800028 1 HB E Defrost heater limit thermostat 800014 1 S F Defrost heater 120567 R G Expansion valve 320495 360144 D B 78 Kes Helmer Horizon Series Models 16 4 2 Storage Helmer Helmer 5 Storage parts left HLF125 model right HPF125 model Label Description Part Number A Full shelf includes hardware 120 model 400414 1 125 model 400414 2 B Drawer assembly includes drawer 2 120 model 400584 2 slides hardware 125 model 400584 1 Not Drawer slide assembly right side 120 model 400541 3 shown 125 model 400541 1 Not Drawer slide assembly left side 120 model 400541 4 shown 125 model 400541 2 Not Roll out basket assembly optional 120 model 400890 1 shown includes basket 2 slides hardware 125 model 400890 2 Not Roll out basket slide assembly right side 120 model 400541
26. CEET 55 13 1 Monitor and Controller Interface o o o o ne eee eens 55 13 2 Freezer Setpoint 2d tas e Re darian ada sd 56 13 3 Temperature Alarm Setpoints o o o o ooooo eel 56 13 3 1 High Temperature Alarm eek A RA AR AR a RUE AER RA 57 13 3 2 Low Temperature Alarm sa siias A XR A a ae RO o a Goel 57 13 4 Temperature Calibration Setpoints oooocoooocoooo lh 57 TAT Monitor OMSet ruda ii ER ECCE PCIE voe e EE E eg el ee 58 13 4 2 Control Sensor Offset 59 Uer EM uu Ier 60 13 5 Test Alarms 22 Rei REY dr NEE ba dara daa aaa ea REA Ar 60 13 5 4 Chamber Temperature AlarM o oo ooooocooo ellen 60 13 5 2 Power Failure Alarm 60 13 5 3 Door Open Al Mis Duro te dan ER bs Oba p ERR er doa UR Re CR EEN 61 14 NISSEN TO TTL TT ER ek eee E eae AN 61 14 1 Recharge Refrigerant curia id 6 E Ur ii A A AA Ee 61 14 2 Check Monitoring System Battery liiis hr rs 62 14 3 Clean the Freezer i us v ces EY OUR IRE SCENE Sce eS ce AA ded UA Pe oou o Rte 62 14 3 2 EXterlot cles 5 Mak ERR ERE e RR RR Rien IO RR eo Pak oS ee ta 62 14 3 3 lt le 62 14 3 4 DOOrGAaskKets 31 ch AC ugt a ea ri aaa sede a eg dake 62 14 3 5 Clean and Refill Probe Botte 62 14 4 Unit Cooler Removal and Installation o oooooooooooooorr ee eee eens 63 14 4 1 Remove the Unit Cooler Cover 64 14 4 2 Installthe Unit Cooler Cover i vius uu EXER A ESAE PE 64 14 5 Access Control Cartridge Removal and
27. Ges 400936 BATTERY RECORDER ile e SE 3 Evap Defrost BACKUP PROBE Cde me ca Control Probe 2 iJ X Ma luso op ep op sco oca enm gt 1 18 E 1 Lower Chamber Probe M DOOR SWITCH m iL gt N Door Lock Condensor Solenoid as 4 Discharge Probe Ser t In Option com ap EI Er E S lo p eO EXTERIOR ALARM CONTACTS To Unit Cooler Fan To Condensate Evaporator V J COMPRESSOR EH V SOLENOID CO a d Em JN 0 3 fi msoLenolo vave LES H K CONDENSING UNIT E E AL A FAN MOTOR COMPRESSOR E na SSR H e 49 Helmer Horizon Series Models Section IIl Horizon Series Models 12 12 1 Product Configuration Install Battery for Backup Power The monitoring system has a battery system enabling a period of continuous operation if power is lost NOTE The monitoring system will start on battery power alone If the freezer was previously not connected to AC power and the battery is connected the monitoring system will begin running on battery power Battery life varies by manufacturer as well as voltage level remaining Providing full power is available and no battery related alarms are active backup power for the monitoring system is available for up to 2 hours AN CAUTION gt Before installing or replacing batteries switch the power OFF Disconnect 12 2 360144 D B the freezer from AC po
28. HOUT LIMITATION ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE NO WARRANTIES OF MERCHANTABILITY OR FITNESS FOR PARTICULAR PURPOSE SHALL APPLY THE LIABILITY IF ANY OF HELMER FOR DIRECT DAMAGES WHETHER ARISING FROM A BREACH OF ANY SALES AGREEMENT BREACH OF WARRANTY NEGLIGENCE OR INDEMNITY STRICT LIABILITY OR OTHER TORT OR OTHERWISE WITH RESPECT TO THE GOODS OR ANY 11 gt Helmer General Information 5 2 360144 D B SERVICES IS LIMITED TO AN AMOUNT NOT TO EXCEED THE PRICE OF THE PARTICULAR GOODS OR SERVICES GIVING RISE TO THE LIABILITY IN NO EVENT SHALL HELMER BE LIABLE FOR ANY INDIRECT INCIDENTAL CONSEQUENTIAL OR SPECIAL DAMAGES INCLUDING WITHOUT LIMITATION DAMAGES RELATED TO LOST REVENUES OR PROFITS OR LOSS OF PRODUCTS This warranty does not cover damages caused in transit during installation by accident misuse fire flood or acts of God Further this warranty will not be valid if Helmer determines that the failure was caused by a lack of performing recommended equipment maintenance per Helmer manual or by using the product in a manner other than for its intended use Installation and calibration are not covered under this warranty agreement Outside of USA and Canada Consult your local distributor for warranty information 12 Helmer i Series Models Section Il i Series Models 6 1 360144 D B Product Configuration Install Battery for Backup Power The monitoring system and c
29. Installation llle 65 14 5 1 Cartridge Removal iue Re Reg Re ad e ER eR a e RR RR RR IR 65 14 5 2 Cartridge Installatiori 4 e NNN Rd Re RR RR MN EE eee CR o RUE eas d 66 14 6 Supplies se se aie pRiesibiueewseev9 iv betta e RSS E RS PRU QR ELE brad ada 66 360144 D B Helmer 15 Troubleshooting deer rees Kg das er eri e 67 15 1 General Operation ProbleMS o oooooooooo ees 67 15 2 Chamber Temperature Problems o o o ooococoo nh 67 15 3 Alarm Activation Problems o o ooooooooo hr rn s 70 15 4 Condensation and Icing Problems 72 16 PANS 605920008 oneness Sen tse tated ce eete takes te seewiees b600eadwewweaeese 73 16 1 FIOM is ri sao Gowda Cheha had Geta Eod e Ere C sist aed tat abad odis A 73 16 1 1 Access Control Option 0 000 ete 74 16 1 2 Control System Display Rate oir sp a E eee bee RU ea ee 74 16 2 TOD sx irene net ad AAA AA AA AA AAA AAA AA AAA Ai 75 16 3 RO iii A 24 Al A ALA Ds BAR A eda Pe AE 75 16 3 1 Electrical Be 2 ix a A A A A RRR Ree A ee Rb AA 76 16 4 BteriOr s ER A RR A Eq RGUURERqGq A RARA AA er 77 1641 UNECO o aee 2244 eere ERE RII ead bo Zeg ni Re Ooh ob ANER we edd A 78 16 4 2 Storage cesa ku RE ER A ese NEE e dao a OX E e RE ee EN d cde ewes 79 16 4 3 Door and HINGES erissa irr Kerr ba a Ra Ri A HERR a Abba n ACA RR AL 80 EE fnm 81 17 1 HPF and HLF Models 120 and 125 Configurations llli esee 81 360144 D B gt Helmer General Information
30. NC PE Ll Page2of2 400937 1 Speaker i C3 LCD w Touch Screen gees i Series Models ic iF Power Cable HELMER INC 400956 1 i USB Data Cable Etnemmet Por en T AC in Y Re N L2 m V A HV Li RS232 Option o i ie o S USB Port j La ib 3 1 2 Y al e i C3 Power PCBA a Gies USB Port 3 E 4 ln A 23 Uie i SLA Charging 3 3 o o A fe EJ USB Port 4 i C3 Control PCBA E E E 25 we D CA iT zz iT z x Battery Switch CHART Chamber Temp Probe RECORDER nas T X Option I E LJ m 12V Fee e Pp H LII Oo ger d Water Bottle Probe iB MONITOR D Que E BATTERY cc ue 3 BACKUP CHART CB Er py HELMER C EX it RECORDER ev CHART
31. Not affected maintained in real time clock Hour AM PM Language Language previously selected during setup Temperature Units C Password Protection for Settings screen On Temperature Graph Screensaver On Access Control optional as Home Page On High Temperature Alarm Setpoint 20 0 C High Temperature Alarm Time Delay 0 minutes Low Temperature Alarm Setpoint 35 0 C Low Temperature Alarm Time Delay 0 minutes Power Failure Alarm Time Delay 1 minute Probe Failure Alarm Time Delay 0 minutes Door Open Time Alarm Time Delay 3 minutes Compressor Temperature Alarm Setpoint 50 0 C Compressor Temperature Alarm Time Delay 0 minutes Chamber Setpoint 30 0 C Chamber Hysteresis 2 0 C Delay on Start Up 2 minutes Control Relay Probe Failure Duty Cycle 100 Defrost Event 1 On Off On Defrost Event 1 Start Time 12 00 AM 22 Helmer i Series Models 7 3 5 7 3 6 7 4 7 4 1 360144 D B Setting Restored Value Defrost Event 2 On Off On Defrost Event 2 Start Time 8 00 AM Defrost Event 3 On Off On Defrost Event 3 Start Time 4 00 PM Defrost Event 4 On Off Off Defrost Event 4 Start Time 6 00 PM Defrost Time Defrost Safety Operation Time 15 minutes Restore Factory Default Settings 1 Touch Home i C APPS Settings Restore Factory Settings 2 A Are you sure you want to restore factory settings message appears Do one of the following gt Touch Yes The message screen closes and fa
32. ONITOR High Temp alarm setpoint LOW TEMP and MONITOR Low Temp alarm setpoint MONITOR only Monitor Offset CONTROL only Control Sensor Offset CONTROL only Control Hysteresis Monitor Offset gt Adjust if temperature displayed on the monitor does not match measured chamber temperature gt Value is factory set to match an independent thermometer gt Value can be changed from 10 0 C to 10 0 C NOTE gt lf the variance is within acceptable limits changing the offset value is optional gt Probes in the bottle are connected to the monitoring system and sense chamber temperature These probes do not affect freezer setpoint Obtain gt Independent thermometer calibrated and traceable per national standards gt Tape to attach thermometer to temperature probe Measure the chamber temperature 1 Remove the probe from the probe bottle 2 Unscrew the cap from the bottle 3 Tape the thermometer to the temperature probe and place them in the bottle The probe and thermometer should be immersed at least 2 50 mm 4 Close the door and allow the chamber temperature to stabilize for 10 minutes Observe and note the thermometer temperature 6 Lower the Offset Value to lower displayed monitor temperature raise the Offset Value to raise displayed monitor temperature al EXAMPLE gt Measured temperature at the upper probe bottle is 28 0 C gt Displayed temperature is is 30 0 C gt Offset ad
33. Power cable North American models 800002 1 A European models 800003 1 G Remote alarm contacts H Main power switch 120478 C Circuit breaker 12 A 120220 B UN CAUTION Do not remove the cover from the condensate evaporator tray 16 3 1 Electrical Box A B C D E Electrical box features HPF111 model shown AN CAUTION Disconnect the freezer from AC power before opening the electrical box 360144 D B 76 Helmer 16 4 360144 D B Horizon Series Models Label Description Part Number PEE A Alarm buzzer 120227 HD B Defrost timer 800015 2 HF C Compressor relay 120426 E D Temperature control transformer 800086 1 HO E Power line filter 120400 D Not 12V DC power supply for Access 120505 HN shown Control optional NOTE The control board is sensitive to static electricity and can be damaged by electrostatic discharge Use proper ESD precautions when handling the board Interior Interior parts iLF125 model shown Label Description Part Number SES A Chart recorder probe 800024 1 CB B Chamber probe 800029 1 HC C Probe bottle and propylene glycol kit 400922 1 D Mullion heater behind strike plates 800082 1 U E Unit cooler Refer to subsequent section s F for part numbers F Door switch 120380 M G Door Refer to subsequent section s for part numbers H Storage parts Refer to subsequent section s for part numbers 7
34. Power cord is faulty gt Confirm the power cord is connected securely Failure alarm is active Secure the power cord if necessary ON OFF AC power gt Replace the ON OFF AC power switch switch located inside the front lower panel is faulty ON OFF AC power gt Turn the ON OFF AC power switch to the ON Switch is OFF position A component is gt Contact Helmer Technical Service faulty or internal connections are loose A component is gt Contact Helmer Technical Service faulty or internal connections are loose Circuit breaker is gt Reset or replace the circuit breaker tripped 35 Helmer Problem Possible Cause i Series Models Action The Door Open alarm is activating sporadically Doors are nat closing completely Confirm the hinge cams are not damaged Replace the cams if necessary Doors are closing but gt Confirm the door gasket seals completely not sealing completely Replace the door gasket if necessary Connections for the gt Test the switch connections Secure the door switch are faulty connections if necessary Door switch is faulty gt Replace the door switch Temperature monitor gt Replace parts with those included in the control controller board is board kit or replace the monitor control board faulty Door Open Timeout gt Check the time delay for the Door Open alarm is set to zero causing Change the ti
35. ain port Drain fan Fan tube Heater wires Heating element Qimimocgjiou Drain tube 28 Helmer i Series Models 8 5 1 8 5 2 360144 D B Remove the Unit Cooler Cover 1 Switch AC ON OFF switch OFF Switch battery switch OFF 2 On the back of the cabinet peel the putty back to expose the drain tube G and drain heater F CAUTION The condensate evaporator and water evaporation tray are hot 3 Verify the heating element is cool Remove the screws and loosen the pipe straps securing the drain tube to the cabinet 4 Remove the drain heater from the drain tube 5 Remove the drain tube G by pulling it downward The drain tube should separate from the fan tube D at the 90 elbow leaving the fan tube D attached to the fan C a Separate the drain hose inside the cabinet from the unit cooler drain port B b Gently twist the drain hose from left to right to separate it from the unit cooler drain port c Pivot the drain tube and drain hose upward then remove the assembly from the cabinet 6 Remove top drawer basket or shelf from the chamber NOTE For iPF models remove the Cold Shield panel Loosen 3 screws securing the panel to the cabinet then slide the panel to free it from the screws 7 Remove the unit cooler cover A a Hold unit cooler cover in place to prevent it from dropping b Use the socket wrench to remove 4 screws securing the unit cooler cover c Carefully lower unit cooler cover t
36. amp will flash to indicate entry into program mode Press SEL until HIGH TEMP and MONITOR lamps flash Hold SET then press Up Arrow or Down Arrow to change the setpoint Release SET button Hold Up Arrow and Down Arrow for 3 seconds MONITOR lamp stops flashing to indicate exit from program mode New settings are saved a P WN Low Temperature Alarm gt Specifies the temperature at which the Low Temperature Alarm activates gt Default setpoint for is 40 0 C gt Setpoint can be changed from 40 0 C to 40 0 C Change the setpoint 1 Hold Up Arrow and Down Arrow for 3 seconds MONITOR lamp will flash to indicate entry into program mode Press SEL until LOW TEMP and MONITOR lamps flash Hold SET then press Up Arrow or Down Arrow to change the setpoint Release SET button Hold Up Arrow and Down Arrow for 3 seconds MONITOR lamp stops flashing to indicate exit from program mode New settings are saved a P WN Temperature Calibration Setpoints View setpoints 1 Hold Up Arrow and Down Arrow for 3 seconds MONITOR lamp will flash to indicate entry into program mode Press SEL until desired setting appears Observe the setting To view another setting press SEL again optional Hold Up Arrow and Down Arrow for 3 seconds MONITOR lamp stops flashing to indicate exit from program mode a P WN 57 gt Helmer Horizon Series Models 13 4 1 360144 D B Flashing Lamp Selected Setting HIGH TEMP and M
37. are functioning correctly Monitor control board gt Replace parts with those included in the control is faulty board kit or replace the monitor control board Alarm buzzer is faulty gt Replace the alarm buzzer or speaker A component is gt Contact Helmer Technical Service faulty or internal connections are loose Alarm Disable key is gt Turn the Alarm Disable key to the ON position in the OFF position Alarm setpoint was gt Check the current setpoints for the alarms changed The High Temperature Connections for the gt Test the chamber temperature probe connections alarm activates when the door is opened then clears shortly after the door is closed chamber temperature probe are loose Secure the connections if necessary Chamber probe is faulty Test the probe Replace the probe if necessary Unit cooler fan continues to run while the door is open Test the door switch and unit cooler fan connections Secure the connections if necessary Replace the door switch or fan motor if necessary Probe bottle is empty Check the level of product simulation solution in the bottle Clean and refill bottle if necessary High temperature gt Check the setpoint Change the setpoint if alarm setpoint is set necessary too low A component is gt Contact Helmer Technical Service faulty or internal connections are loose The freezer is Outlet connection is gt
38. ary Temperature monitor control board is faulty gt Confirm the temperature controller or monitor control board is operating correctly Replace it if necessary Compressor starting relay is faulty gt Confirm the relay is operating correctly Replace the relay if necessary Defrost timer is faulty gt Replace the defrost timer 33 Helmer 9 3 360144 D B Problem Possible Cause i Series Models Action The chamber temperature does not stabilize at the freezer setpoint Temperature monitor control board is faulty gt Confirm the temperature controller or monitor control board is operating correctly Replace it if necessary Condensing unit fan is not running gt Check the condensing unit fan connections Replace the fan motor if necessary Unit cooler fan is not running gt Check the voltage to the fan when door switch is activated Replace the fan motor or door switch if necessary Compressor motor has seized gt Replace the compressor Temperature control probe is faulty gt Replace the probe if necessary Refrigerant level is too low gt Check the refrigeration lines for leaks and repair them if necessary Check the refrigerant level Recharge the refrigerant if necessary Compressor starting relay is faulty gt Confirm the relay is operating correctly Replace the relay if necessary Condenser gril
39. ary The compressor runs continuously Freezer setpoint is set too low gt Confirm the setpoint is set within the operating range and change it if necessary Temperature control probe in the unit cooler is faulty gt Confirm the unit cooler probe is providing resistance in the range of 98 O to 110 O Replace the probe if necessary Temperature monitor control board is faulty gt Confirm the temperature controller or monitor control board is operating correctly Replace it if necessary Compressor starting relay is faulty gt Confirm the relay is operating correctly Replace the relay if necessary 68 Helmer Problem Possible Cause Horizon Series Models Action The chamber temperature does not stabilize at the freezer setpoint Monitor control board is faulty gt Confirm the temperature controller or monitor control board is operating correctly Replace it if necessary Compressor starting relay is faulty gt Confirm the relay is operating correctly Replace the relay if necessary Temperature monitor controller board is faulty gt Confirm the temperature monitor controller board is operating correctly Replace the board if necessary Condensing unit fan is not running gt Check the condensing unit fan connections Replace the fan motor if necessary Unit cooler fan is not running gt Check the voltage to the fan wh
40. average temperature 7 Remove thermometer and probe from bottle and remove tape 8 Replace bottle cap ensuring a tight fit 9 Place probes in bottle immersing at least 2 50 mm 10 Determine the change in value to reach desired setpoint EXAMPLE gt Current setpoint is 30 0 C gt Average temperature is 25 0 C gt Offset adjustment value is 5 0 C Enter the new offset value 1 Touch Home C APPS Settings 2 Enter the Settings password 3 Touch Temperature Calibration 4 Touch or on the Control Sensor spin box gt Value is factory preset to match the temperature measured in the unit cooler at the control sensor by an independent thermometer NOTE Control Sensor and Control Sensor Offset are factory preset and should not be changed unless directed by Helmer Technical Service 5 Touch or on the Control Sensor Offset spin box gt The offset should be equal to the difference between the freezer setpoint and the average temperature measured by an independent thermometer at the upper probe bottle gt Raise the offset value to lower chamber temperature lower the offset value to raise chamber temperature EXAMPLE gt Measured temperature at the upper probe bottle is 28 0 C gt Current setpoint is 30 0 C Offset adjustment value is 2 0 C 6 Touch Home to return to home screen 360144 D B 20 Helmer i Series Models 7 3 2 7 3 3 360144 D B Calibrat
41. crews securing the panel to the cabinet then slide the panel to free it from the screws 7 Remove the unit cooler cover A a Hold unit cooler cover in place to prevent it from dropping b Use the socket wrench to remove 4 screws securing the unit cooler cover c Carefully lower unit cooler cover to avoid damage to the fan wiring Install the Unit Cooler Cover 1 Verify unit cooler wiring is connected and routed correctly a Wiring should be routed above copper tube inside the unit cooler b Reconnect wires if they have separated 2 Attach unit cooler cover a Lift unit cooler cover into place b Front edge of the cover should be behind the unit cooler case c Use the socket wrench to install 4 screws to secure the unit cooler cover 3 Insert the drain tube and drain hose through the hole in the cabinet a Push drain tube and drain hose upward at an angle toward the unit cooler drain port b Pivot the drain tube and drain hose downward then push the assembly upward c Inthe chamber push the drain hose onto the drain hose 4 Attach the drain tube to the fan tube 5 Insert the drain line heater in the drain tube a Insert the heater at an upward angle b The black heating element should no longer be visible 6 On the back of the cabinet press putty around the drain tube and drain line heater 7 Reinstall top drawer basket or shelf if previously removed NOTE For HPF models reinstall the Cold Shield panel 8 Reattach the pipe straps
42. ctory settings are restored gt Touch No The message screen closes and factory settings are not restored Change Factory Settings Several of the freezer operating parameters are configured at the factory The settings listed below are Set at the factory and may be changed at the direction of Helmer Technical Service Setting Description Temperature Controller Page Enable or disable the temperature controller screen Factory settings may be viewed and changed Contact Helmer Technical Service to verify if changing factory settings is necessary and for instructions in accessing Factory Settings screen Test Alarms Test alarms to ensure they are working correctly The freezer has alarms for chamber temperature compressor temperature door open time power failure low battery and power failure Automatic Chamber Temperature Alarm Test 30 a po C High Alarm Test Alarm Condition Temperature Alarm Test 01 01 2010 Test Complete Low Alarm Test ST Cancel Test ouo NOTE Test can be aborted by touching Cancel Test Test takes less than 5 minutes If the temperature alarm test does not automatically complete within 2 minutes restart the i C monitoring system vvv When performing an automatic temperature alarm test the Peiltier device heats or cools the temperature probe until the high or low alarm setpoint is reached An event is added to the Event Log to indicate a temperature alar
43. default password of 1234 When there is no interaction for two minutes the Temperature Setpoint Screen closes and returns to the Home screen Control Sensor and Control Sensor Offset Evaporator Defrost and Evaporator Defrost Offset and Compressor Probe Temperature calibration settings are factory preset and should not be changed unless directed by Helmer Technical Service 7 3 1 Control Sensor Offset The temperature controller senses unit cooler temperature through a probe in the unit cooler The unit cooler temperature typically varies from the chamber temperature so an offset value is used by the control system to compensate for the difference The temperature controller adjusts chamber temperature around the freezer setpoint by activating the compressor when the unit cooler probe registers above the setpoint 360144 D B 19 Helmer i Series Models Obtain gt Independent thermometer calibrated and traceable per national standards gt Tape to attach thermometer to temperature probe Perform the following 1 Remove probes from upper probe bottle 2 Unscrew cap from bottle 3 Tape independent thermometer to temperature probe and place in bottle Probe and thermometer should be immersed at least 2 50 mm 4 Close door and allow chamber temperature to stabilize for 10 minutes 5 Observe independent thermometer temperature for 10 minutes and determine temperature range 6 From the range calculate the
44. door opening Recharge Refrigerant CAUTION gt Review all safety instructions prior to recharging refrigerant Refer to chapter 2 Safety gt Maintenance should only be performed by trained refrigeration technicians NOTE Use only non CFC R 404A refrigerant Full initial refrigerant charge varies by model and power requirements which can be found on the product specification label Power Model Requirements Initial Charge 120 and 125 models Any 29 0 oz 822 g Obtain gt Refrigerant gt Calibrated pressure gauge 0 Ibs in to 220 Ibs in 0 kPa to 1520 kPa Add refrigerant 1 Attach pressure gauge to the fittings on the refrigeration lines 2 Monitor the low side suction pressure through a full compressor cycle 3 Measure the pressure at the end of the next cycle immediately before the compressor stops NOTE Pressure varies depending on ambient air temperature 4 Add refrigerant Check the pressure on the high side and the low side gt Low side 2 Ibs in to 4 Ibs in 14 kPa to 28 kPa gt High side 180 Ibs in to 220 Ibs in 1241 kPa to 1520 kPa 5 Remove pressure gauge Check Monitoring System Battery On all i C screens the Battery icon will appear in the header bar when the system is running on battery power and the screen brightness will automatically be reduced The monitoring system will automatically disable some features to extend battery life 26 Helmer
45. drawer does not Debris in the drawer gt Pull the drawer out and confirm the slides are free slide easily slides of debris Clean if necessary Drawer slides are not gt Using a multi purpose grease lubricate the lubricated bearings in the slides Ice buildup in the gt Pull the drawer out and confirm the slides are free drawer slides of ice De ice if necessary Drawer is misaligned gt Confirm both slides for the drawer are mounted at or not level the same height Drawer slide is faulty gt Confirm the slide is operating correctly Replace if necessary The door does not Debris in the hinges gt Confirm the hinges are free of debris Clean the open easily hinges if necessary Door hinges are not gt Using a general purpose grease lubricate the lubricated pivots in the hinges Hinge cam is faulty gt Confirm the hinge cam is not damaged Replace the cam if necessary 15 2 Chamber Temperature Problems 360144 D B Problem Possible Cause Action The chamber temperature displayed is higher or lower than the actual temperature Connections for the chamber temperature probe are loose gt Test the chamber probe connections Secure the connections if necessary Temperature probe wiring is an open circuit gt Check the continuity of the probe wiring Replace the probe if necessary Probe bottle is empty or the amount of solution is too low gt Check the level of product simulation sol
46. ds and the battery provides power to the monitoring system 1 Change Power Failure delay setting to O minutes a Touch Home Settings Alarm Settings b Touch or on the Power Failure spin box to change the value to 0 2 Switch AC ON OFF switch OFF Power failure alarm will activate immediately 3 Switch AC ON OFF switch ON Power failure alarm will clear and audible alarm will cease 4 Change Power Failure time delay to the original setting Door Open Alarm Test 1 Change Door Open Time delay setting to 0 minutes a Touch Home Settings Alarm Settings b Touch or on the Door Open Time spin box to change the value to 0 2 Open door Alarm will activate immediately 3 Close door Alarm will clear and audible alarm will cease 4 Change the Door Open Time setting to the original setting Upgrade System Firmware Helmer may occasionally issue updates for the i C firmware Follow upgrade instructions included with the firmware update Calibrate the Touchscreen The i C touchscreen has been calibrated at the factory to ensure that when the screen is touched the desired key touch is selected If the i C touchscreen or display circuit board is replaced after the freezer has been shipped from the factory the touchscreen must be recalibrated If the screen must be recalibrated contact Helmer Technical Service to obtain the calibration file Calibrate the screen 1 Insert the flash memory device with the calibration program
47. e Alarm Interface 14 6 4 Move Drawers Shelves and BasketS ers 15 6 5 Move Slides and Brackets 0 0 iru e Aa rrr 16 6 6 Level the Freezer eege EE ERENNERT XO E RR RRR RAE SEENEN REN dean 16 6 7 Optional Adapter Kits for Medication Dispensing Locke 16 360144 D B Helmer de SOUNDS cds ss sr oe eke tee eRe EE EE 17 GA HOME Screen enses sad nana Ub Kaha DR awe NNN d La e 3 NUR OR Rae aid ok d 17 LiT Home Screen Funclons 40432642000 AE SE A A EE EEN A A 17 7 2 Temperature Settings EEN EELER E Roe a ea EEN EE ee ee DEA ee 18 7 3 Temperature Calibration 2 44 cecus ek pe d dea om A 19 7 39 1 Control Sensor Offset 19 7 9 2 Calibrate Chamber Temperature Probes 0000 cece ele 21 7 3 3 Calibrate Compressor and Evaporator Probe 00000 llle 21 C34 Factory Default Settings sis RU ERN XD RARE RE E RC AEG ERES hae IERA has He 22 1 3 5 Restore Factory Default Settings E ENEE REESEN NEEN bg eR ERR eee da 23 T36 Change Factory SENOS csset I cp RR EE EE EE ones ee PCI SQ CRI 23 GA Test Alarms 2 22222 cep 64 B44 DR od ee REDI ES AA eive E E edu v 23 7 4 1 Automatic Chamber Temperature Alarm Test 23 7 4 Manual Chamber Alarm Test 24 44 3 PowerfFailure Alarm TeSt Nd RR REA AREE dada tae eee ERE REG ES 25 7 44 Door Open Alarm Test 25 7 3 Upgrade System Firmwares idus ss mt ROG we RON RERE EREA AUR PUDE RUN IR ER EELER UR Rc 25 7 0 Calibrate the To chsereen iss
48. e Chamber Temperature Probes Verify temperature probes are reading chamber temperature correctly by comparing chamber probe readings to temperature read by an independent thermometer If chamber temperature probes are not reading correctly change the value displayed on the monitor NOTE gt lf the variance is within acceptable limits for your organization changing probe settings is optional gt Probes in the bottles are connected to the monitoring system and sense chamber temperature These probes do not affect freezer setpoint gt Default setting for chamber temperature probes is 30 0 C P Value is factory preset gt Value can be changed from 50 0 C to 50 0 C Obtain gt Independent thermometer calibrated and traceable per national standards gt Tape to attach thermometer to temperature probe Calibrate probes 1 Remove probe from the upper probe bottle 2 Unscrew the cap from the bottle 3 Tape the thermometer to the temperature probe and place them in the bottle The probe and thermometer should be immersed at least 2 50 mm Close the door and allow the chamber temperature to stabilize for 10 minutes Observe and note the thermometer temperature Touch i C APPS Settings Temperature Calibration Touch or on the Upper Temperature spin box to increase or decrease the value to match the measured value The message New Setting Saved appears next to the spin box joo P NOTE After
49. e and PoFF will clear from the display 360144 D B 60 gt Helmer Horizon Series Models 13 5 3 14 14 1 360144 D B Door Open Alarm gt Factory set to 3 minutes gt Value can not be changed Test the alarm 1 Open freezer door and note the time 2 M After 3 minutes audible alarm will activate and DOOR ALARM lamp will flash 3 Close freezer door Audible door open alarm will cease and DOOR ALARM lamp will stop flashing Maintenance NOTE gt Refer to the operation manual for the preventive maintenance schedule gt Before performing maintenance protect items in freezer from extended exposure to adverse temperature gt Allow freezer temperature to stabilize at setpoint after performing serivce or after extended door opening Recharge Refrigerant CAUTION gt Review all safety instructions prior to recharging refrigerant Refer to chapter 2 Safety gt Maintenance should only be performed by trained refrigeration technicians NOTE Use only non CFC R 404A refrigerant Full initial refrigerant charge varies by model and power requirements which can be found on the product specification label Power Model Requirements Initial Charge 120 and 125 models 230 V 60 Hz 29 0 oz 822 g Obtain gt Refrigerant gt Calibrated pressure gauge 0 Ibs in to 220 Ibs in 0 kPa to 1520 kPa Add refrigerant 1 Attach pressure gauge to the fittings on the refrigeration lin
50. el Test NOTE When cancelling an automatic test the message indicating the test is in progress clears immediately If a setpoint was reached before the test was cancelled the alarm activates and clears as described earlier Manual Chamber Alarm Test NOTE Before testing alarms protect items in freezer from extended exposure to adverse temperature Obtain gt 1 40z 125 ml glass of product simulation solution propylene glycol NOTE Temperature probes are fragile handle with care Test the high alarm 1 Identify setting for high alarm setpoint 2 Place the glass of product simulation solution in the freezer 3 When the product simulation solution has stabilized at the chamber temperature remove the solution from the freezer 4 Remove the chamber temperature probe from the probe bottle and insert into the product simulation solution 5 While stirring probe in the product simulation solution observe the temperature on the i C display at which the high temperature alarm sounds 6 Compare the temperature at which the alarm sounds to the high alarm setpoint If values do not match refer to chapter 9 Troubleshooting 24 Helmer i Series Models 7 4 3 7 4 4 7 5 7 6 360144 D B 7 Remove probe from product simulation solution 8 Place temperature probe in probe bottle immersing it at least 2 50 mm Power Failure Alarm Test NOTE During a power failure the power failure alarm soun
51. ems available locally For more information on the return recovery or recycling of this product contact your local distributor 360144 D B 10 gt Helmer General Information 5 5 1 360144 D B Warranty Rel i Product Warranty USA and Canada For technical service needs please contact Helmer at 800 743 5637 or www helmerinc com Have the model and serial number available when calling Rapid Resolution When a warranty issue arises it is our desire to respond quickly and appropriately The service department at Helmer is there for you Helmer will oversee the handling of your warranty service from start to finish Therefore Helmer must give advance authorization for all service calls and or parts needs relating to a warranty issue Any repeat service calls must also be authorized as well This allows for proper diagnosis and action Helmer will not be responsible for charges incurred for service calls made by third parties prior to authorization from Helmer Helmer retains the right to replace any product in lieu of servicing it in the field Compressor For the warranty period listed below Helmer will supply the refrigeration compressor if it is determined to be defective at no charge including freight Helmer will not be liable for installation refrigerant or miscellaneous charges required to install the compressor beyond the first year of the warranty period gt i Series model compressor warranty period is five 5
52. en door switch is activated Replace the fan motor or door switch if necessary Compressor motor has seized gt Replace the compressor Temperature control probe is out of calibration gt Confirm the probe is providing accurate temperature readings Temperature control probe is faulty gt Confirm the probe is providing resistance in the range of 98 O to 110 O Replace the probe if necessary Refrigerant level is too low gt Check the refrigeration lines for leaks and repair them if necessary Check the refrigerant level Recharge the refrigerant if necessary Probe bottle is empty gt Refill the probe bottle The condenser grill is dirty gt Check the condenser grill Clean the grill if necessary Air circulation at the top of the chamber is not adequate gt Check if there are any items that may obstruct air flow and remove them if necessary Ambient air temperature around the freezer is too high gt Confirm the freezer is placed appropriately A component is faulty or internal connections are loose gt Contact Helmer Technical Service 69 Helmer 15 3 360144 D B Alarm Activation Problems Problem Possible Cause Horizon Series Models Action The freezer is in an alarm condition but the appropriate alarm is not audible or active Alarm system is faulty gt Confirm the circuit board and line connections
53. es 2 Monitor the low side suction pressure through a full compressor cycle 3 Measure the pressure at the end of the next cycle immediately before the compressor stops NOTE Pressure varies depending on ambient air temperature 4 Add refrigerant Check the pressure on the high side and the low side gt Low side 2 Ibs in to 4 Ibs in 14 kPa to 28 kPa gt High side 180 Ibs in to 220 Ibs in 1241 kPa to 1520 kPa 5 Remove pressure gauge 61 gt Helmer Horizon Series Models 14 2 14 3 14 3 1 14 3 2 14 3 3 14 3 4 14 3 5 360144 D B Check Monitoring System Battery The monitoring system does not indicate the charge level of the battery Regularly test the battery Replace battery if the test fails or if the battery has been in use for 1 year Test the battery 1 Switch the AC ON OFF switch OFF a Display should continue to display information b Ifthe display is blank replace battery 2 Switch AC ON OFF switch ON NOTE Use a battery which meets specifications outlined in chapter 14 6 Supplies Clean the Freezer Condenser Grill CAUTION Disconnect freezer from AC power when cleaning In environments where freezer is exposed to excessive lint or dust condenser grill may require cleaning more frequently than stated in preventive maintenance schedule Clean the condenser grill using a soft brush and a vacuum cleaner Exterior Clean glass surfaces with soft cotto
54. hart recorder each have a battery system enabling a period of continuous operation if power is lost NOTE The monitoring system will start on battery power alone If the freezer was previously not connected to AC power and the battery is switched on the monitoring system will begin running on battery power Battery life varies by manufacturer as well as voltage level remaining Providing full power is available and no battery related alarms are active backup power for the monitoring system is available for up to 20 hours the Low Battery alarm will activate after approximately 18 hours of battery use CAUTION gt Before installing or replacing batteries switch the power and battery OFF Disconnect the freezer from AC power gt When installing a replacement battery use only a battery which meets the specifications outlined in chapter 8 7 Supplies NOTE If AC power is lost the monitoring system will automatically disable some features to prolong battery power Data collection will continue until battery power is depleted The battery is located on the top of the freezer Models Battery iPF and iLF 1 rechargeable 12 V lead acid sealed battery Battery is switched off for shipping Switch battery on to provide monitoring system with backup power in the event of AC power failure 13 Helmer i Series Models 6 2 6 3 6 3 1 360144 D B Automatic Defrost Cycle The number of programmed
55. icing and freezer s inability to maintain temperature Required tools gt 5 16 socket wrench gt Tool to push putty away from the drain tube C A D B E F G Drain tube fan and heater components Label Description A Unit cooler cover Drain port Drain fan Fan tube Heater wires Heating element Qimimg ou Drain tube 360144 D B 63 gt Helmer Horizon Series Models 14 4 1 A 14 4 2 360144 D B Remove the Unit Cooler Cover 1 Switch AC ON OFF switch OFF Disconnect the battery 2 On the back of the cabinet peel the putty back to expose the drain tube G and drain heater F CAUTION The condensate evaporator and water evaporation tray are hot 3 Verify the heating element is cool Remove the screws and loosen the pipe straps securing the drain tube to the cabinet 4 Remove the drain heater from the drain tube 5 Remove the drain tube G by pulling it downward The drain tube should separate from the fan tube D at the 90 elbow leaving the fan tube D attached to the fan C a Separate the drain hose inside the cabinet from the unit cooler drain port B b Gently twist the drain hose from left to right to separate it from the unit cooler drain port c Pivot the drain tube and drain hose upward then remove the assembly from the cabinet 6 Remove top drawer basket or shelf from the chamber NOTE For HPF models remove the Cold Shield panel Loosen 3 s
56. justment value is 2 0 C 7 Remove thermometer and probe from bottle and remove tape 8 Replace the probe in probe bottle 9 Replace bottle cap ensuring a tight fit 10 Place the probe in bottle immersing at least 2 50 mm Enter the new offset value 1 Hold Up Arrow and Down Arrow for 3 seconds MONITOR lamp will flash to indicate entry into program mode Press SEL until only the MONITOR lamp flashes Hold SET then press Up Arrow or Down Arrow to change the setpoint Release SET button Hold Up Arrow and Down Arrow for 3 seconds MONITOR lamp stops flashing to indicate exit from program mode New settings are saved a P WS DN 58 gt Helmer Horizon Series Models 13 4 2 360144 D B Control Sensor Offset gt Controls chamber temperature gt Factory preset P Varies for each freezer Determine control sensor offset NOTE Control Sensor Offset is factory preset and should not be changed unless directed by Helmer Technical Service Obtain gt Independent thermometer calibrated and traceable per national standards gt Tape to attach thermometer to temperature probe Measure the chamber temperature 1 Remove probes from probe bottle 2 Unscrew cap from bottle 3 Tape independent thermometer to temperature probe and place in bottle Probe and thermometer should be immersed at least 2 50 mm 4 Close door and allow chamber temperature to stabilize for 10 minutes 5 Observe independe
57. l is dirty Check the condenser grill Clean it if necessary Circulation in the chamber is not adequate gt Check if there are any items that may obstruct air flow and remove them if necessary Ambient air temperature around the freezer is too high gt Confirm freezer location meets requirements Refer to the operation manual A component is faulty or internal connections are loose gt Contact Helmer Technical Service Evaporator is covered with ice and is not exchanging heat Alarm Activation Problems Problem Possible Cause gt Initiate a freezer defrost cycle Action The freezer is in an alarm condition but alarms are not audible Alarm system is faulty gt Confirm the circuit board and line connections are functioning correctly Monitor control board is faulty gt Replace parts with those included in the control board kit or replace the monitor control board Speaker is faulty gt Replace the speaker A component is faulty or internal connections are loose gt Contact Helmer Technical Service Audible alarms are muted P Verify that audible alarms are not muted If time remaining is greater than 5 minutes change MUTE timer value to 5 minutes and wait until timer resets 34 Helmer Problem Possible Cause i Series Models Action The freezer meets an alarm condition but the appropriate alarm
58. larm Interface 1 Switch AC ON OFF switch OFF Switch battery switch OFF 2 Onthe electrical box locate the remote alarm terminals 3 Connect remote alarm wires to appropriate terminals according to requirements for your alarm system 4 Usea cable tie to relieve strain on alarm wires as necessary Switch AC ON OFF switch ON Switch battery switch ON 6 Touch Mute to disable the high temperature alarm while freezer reaches operating temperature al 14 gt Helmer i Series Models 6 4 360144 D B Move Drawers Shelves and Baskets Helmer i t Helmer P Storage features CAUTION gt Before moving drawers ensure they are completely empty for safe lifting gt Maximum basket drawer or shelf load is 100 Ibs 46 kg NOTE Before moving storage components protect stored items in freezer from extended exposure to adverse temperature Remove a Drawer or Basket 1 Pull drawer or basket out until it stops 2 Tiltthe front of the drawer or basket upward 3 Pull drawer or basket free of the slides Install a Drawer or Basket 1 Align end guides on drawer or basket with the slides 2 Gently push drawer or basket into chamber until it stops 3 Pull drawer or basket out until it stops check for smooth operation Remove a Shelf 1 With one hand lift front edge of the shelf from the front brackets 2 With the other hand reach under the shelf and bump rear edge of the shelf upward to dise
59. ligned closing tightly and sealing correctly Correct issues as necessary gt Confirm the heater is hot and is drawing the correct current approximately 0 21 A to 0 35 A Replace the heater if necessary There is excessive ice in the chamber Humid air is entering the chamber gt Confirm the freezer is level and the door is aligned closing tightly and sealing correctly Correct issues as necessary Unit cooler drain line is damaged or restricted gt Confirm the unit cooler drain line is free of debris and is not restricted Remove debris if necessary Drain line is plugged gt Confirm the drain tube is free of debris Remove debris if necessary External drain fan is faulty gt Confirm the external drain fan is running Hold a piece of paper in front of the fan and confirm that the paper is being drawn toward the freezer gt Confirm the connections are secure Tighten connections if necessary gt Replace the drain line fan if necessary Connection between the unit cooler and the drain line is loose gt Confirm the connection is secure Tighten the connection if necessary There is excessive moisture on the door 360144 D B Humid air is entering the chamber gt Confirm the freezer is level and the door is aligned closing tightly and sealing correctly Relative humidity around freezer is too high gt Confirm freezer location meets requirement
60. lock cartridge is a serviceable assembly installed on the cabinet Required tools gt Wire cutter gt 2 Phillips screwdriver 8 6 1 Cartridge Removal 1 Switch AC ON OFF switch OFF Switch battery switch OFF 2 Open freezer door and prop the door open gt If door is locked use the key to override the Access Control lock then open door 3 Use a screwdriver to remove 3 screws securing the Access Control cartridge cover 4 Remove cover Remove 5 Cut the zip tie securing the bundled wires to the cartridge Separate the spade connectors 6 Use a screwdriver to remove 2 screws securing the cartridge assembly Cut zip tie Remove 7 Remove cartridge assembly 8 6 2 Cartridge Installation 1 Insert upper screw through gt Upper hole in cartridge body gt Metal latch bushing gt Door latch gt Nylon latch bushing 2 Insert lower screw through gt Lower hole in cartridge body gt Nylon spacer 3 Place the cartridge against the cabinet and align the screws with the holes in the cabinet 360144 D B 30 Helmer i Series Models 8 7 360144 D B 4 Hand thread 2 screws into the holes in the cabinet Latch Metal latch Nylon latch bushing bushing Nylon spacer Hand thread screws NOTE Ensure wires are not pinched between the cartridge and the cabinet 5 Using a screwdriver tighten the screws 6 Connect the electrical wires from the cabinet to the wires from the cartridge 7 Bundle the excess
61. m was activated The Alarm Test icon is displayed on the Temperature Graph to indicate the temperature alarm was test induced 23 Helmer i Series Models 7 4 2 360144 D B Test the low alarm 1 Identify current setting for low alarm setpoint 2 Touch Home C APPS Temperature Alarm Test 3 Touch Low Alarm Test 4 Peltier Test Probe Cooling message appears 5 When displayed temperature reaches the alarm setpoint temperature reading turns red 6 When completed Test Complete appears 7 Touch Home i C APPS Information Logs Event Log Touch the event to view event details 8 Observe the temperature at the time of the low temperature alarm event Compare this to the alarm setpoint If values do not match refer to chapter 9 Troubleshooting Test the high alarm 1 Identify current setting for high alarm setpoint 2 Touch Home i C APPS Temperature Alarm Test 3 Touch High Alarm Test 4 Peltier Test Probe Warming message appears 5 When displayed temperature reaches the alarm setpoint the temperature reading turns red 6 When completed Test Complete appears 7 Touch Home i C APPS Information Logs Event Log Touch the event to view event details 8 Observe the temperature at the time of the high temperature alarm event Compare this to the alarm setpoint If values do not match refer to chapter 9 Troubleshooting Cancel the test 1 Touch Home i C APPS Temperature Alarm Test 2 Touch Canc
62. me delay if necessary the alarm to activate immediately when the door is opened All alarms are Alarm system is faulty gt Confirm the circuit board and line connections are activating sporadically functioning correctly Monitor control board gt Replace parts with those included in the control is faulty board kit or replace the monitor control board A component is gt Contact Helmer Technical Service faulty or internal connections are loose Compressor is gt Check the condenser grill Clean if necessary overheating due to gt Confirm freezer location meets requirements lack of airflow Condenser alarm gt Confirm the alarm setpoint is set at the expected setpoint is too low or correct value Refrigerant level is too Check refrigeration lines for leaks and repair if 360144 D B low necessary Check the refrigerant level Recharge refrigerant if necessary 36 Helmer Problem Possible Cause i Series Models Action The condenser alarm is active Refrigerant level is too low gt Check refrigeration lines for leaks and repair if necessary Check refrigerant level Recharge if 360144 D B low Connections for gt Test the probe connections Secure the the condenser connections if necessary temperature probe are loose Condenser gt Test the probe Replace the probe if necessary temperature probe is faulty Condenser fins are gt
63. n cloth and glass cleaner Clean exterior surfaces with soft cotton cloth and non abrasive liquid cleaner CAUTION The condensate evaporator and water evaporation tray are hot Interior Clean painted surfaces with mild detergent Clean stainless steel surfaces with a general purpose laboratory cleaner suitable for stainless steel Door Gaskets Clean with soft cloth and mild soap and water solution Clean and Refill Probe Bottle NOTE A kit that includes a probe bottle and propylene glycol is available from Helmer Obtain gt Fresh water bleach solution not provided gt 1 9 ratio of bleach to water gt Bleach is 5 solution of commercial sodium hypochlorite NaOCl gt Equivalent oxidizing cleaner disinfectant approved by your organization may be substituted gt 4o0z 120 ml of product simulation solution per bottle gt Solution is a 1 1 ratio of water to propylene glycol 62 Helmer Horizon Series Models Clean and refill bottle Remove probe from bottle Remove bottle from bracket Clean bottle with water bleach solution Fill bottle with 4 oz 120 ml of product simulation solution Cap bottle tightly to minimize evaporation Place bottle in bracket Replace probe immersing at least 2 50 mm Joco P GM 14 4 Unit Cooler Removal and Installation If unit cooler cover is not removed as detailed in this procedure the drain port may be damaged Improper drainage may result in excessive
64. ng system press and release SEL to change to Control mode CONTROL lamp will illuminate 4 Press and hold SET to display the reference temperature NOTE Reference temperature is typically higher than the chamber temperature 5 Hold SET and press Up Arrow and Down Arrow as necessary to set the adjustment value determined in step 2 6 Release all buttons the setpoint is changed 7 Press and release SEL to return to Monitor mode MONITOR lamp will illuminate Temperature Alarm Setpoints View setpoints 1 Hold Up Arrow and Down Arrow for 3 seconds MONITOR lamp will flash to indicate entry into program mode Press SEL until desired setting appears Observe the setting To view another setting press SEL again optional Hold Up Arrow and Down Arrow for 3 seconds MONITOR lamp stops flashing to indicate exit from program mode a P WN 56 gt Helmer Horizon Series Models 13 3 1 13 3 2 13 4 360144 D B Flashing Lamp Selected Setting HIGH TEMP and MONITOR High Temp alarm setpoint LOW TEMP and MONITOR Low Temp alarm setpoint MONITOR only Monitor Offset CONTROL only Control Sensor Offset CONTROL only Control Hysteresis High Temperature Alarm gt Specifies the temperature at which the High Temperature Alarm activates gt Default setpoint is 20 0 C gt Setpoint can be changed from 40 0 C to 40 0 C Change the setpoint 1 Hold Up Arrow and Down Arrow for 3 seconds MONITOR l
65. ngage rear brackets Install a Shelf 1 Insert shelf into chamber placing it on brackets 2 Gently bump rear edge of the shelf downward to engage brackets 3 Pulling shelf forward gently shelf should not disengage from rear brackets 15 Helmer i Series Models 6 5 6 6 6 7 360144 D B Move Slides and Brackets Remove Drawer Slides 1 Using a screwdriver remove front bracket retainers 2 Tap front brackets upward to disengage standards 3 Remove slides from standards Install Drawer Slides 1 Insert slides into standard at appropriate height 2 Tap front brackets downward to engage standards 3 Using a screwdriver install front bracket retainers Remove Shelf Brackets 1 Using a screwdriver remove front bracket retainers 2 Tap front brackets upward to disengage standards 3 Remove front brackets from standards Install Shelf Brackets 1 Insert front brackets into standard at appropriate height 2 Tap front brackets downward to engage standards 3 Using a screwdriver install front bracket retainers Level the Freezer NOTE gt Leveling feet are optional gt Helmer recommends the use of leveling feet gt A bubble level may be used to ensure the freezer is level Leveling feet must be adjusted to provide unit cooler drainage Front to Back 1 Using a wrench raise or lower leveling feet 2 When freezer is properly leveled bottom of the unit cooler will slope downward from front to back
66. nt thermometer temperature for 10 minutes and determine temperature range 6 From the range calculate the average temperature 7 Remove thermometer and probe from bottle and remove tape 8 Replace bottle cap ensuring a tight fit 9 Place probes in bottle immersing at least 2 50 mm 10 Determine the change in value to reach desired setpoint EXAMPLE gt Current setpoint is 30 0 C gt Average temperature is 25 0 C gt Offset adjustment value is 5 0 C Enter the new offset value 1 Hold Up Arrow and Down Arrow for 3 seconds MONITOR lamp will flash to indicate entry into program mode 2 Press SEL until only the CONTROL lamp flashes NOTE gt Ensure Control Sensor Offset is being changed and not Hysteresis gt Control Sensor Offset and Hysteresis have the same visual indicator 3 Hold SET then press Up Arrow or Down Arrow to change the setpoint Release SET button 5 Hold Up Arrow and Down Arrow for 3 seconds CONTROL lamp stops flashing to indicate exit from program mode New settings are saved A 59 gt Helmer Horizon Series Models 13 4 3 Hysteresis gt Default setpoint is 2 0 C gt Allowable temperature variance on each side of the freezer setpoint NOTE Hysteresis is factory preset and should not be changed unless directed by Helmer Technical Service 13 5 Test Alarms Test alarms to ensure they are working correctly The freezer has alarms for chamber temperature powe
67. o avoid damage to the fan wiring Install the Unit Cooler Cover 1 Verify unit cooler wiring is connected and routed correctly a Wiring should be routed above copper tube inside the unit cooler b Reconnect wires if they have separated 2 Attach unit cooler cover a Lift unit cooler cover into place b Front edge of the cover should be behind the unit cooler case c Use the socket wrench to install 4 screws to secure the unit cooler cover 3 Insert the drain tube and drain hose through the hole in the cabinet a Push drain tube and drain hose upward at an angle toward the unit cooler drain port b Pivot the drain tube and drain hose downward then push the assembly upward c Inthe chamber push the drain hose onto the drain hose 4 Attach the drain tube to the fan tube 5 Insert the drain line heater in the drain tube a Insert the heater at an upward angle b The black heating element should no longer be visible 6 On the back of the cabinet press putty around the drain tube and drain line heater 7 Reinstall top drawer basket or shelf if previously removed NOTE For iPF models reinstall the Cold Shield panel 8 Reattach the pipe straps to secure the drain tube to the cabinet 9 Switch AC ON OFF switch ON Switch battery switch ON 10 Touch Mute to disable the high temperature alarm while freezer reaches operating temperature 29 S Helmer i Series Models 8 6 Access Control Cartridge Removal and Installation The Access Control
68. on and Icing Problems 38 10 Parts ASA a a aa a a D D E a E a i 39 101 JEFODE maana a E ea A E ROG grace bee eae hee dees at 39 10 1 1 Access Control Option sss e a A Ge A a in AAA 40 10 1 2 Control System and DisSplaY o oocoooccoo mes 40 102 TOD DEER 41 10 3 Reap ai AAA A KE o ada Ai ic a 42 10 3 1 Electrical BOX i 3 sr A ta dE eh se E ENEE ou ds 43 360144 D B Helmer 10 4 Rue EENHEETEN 44 10 41 Unit Cooler cdi aca dd A A 45 MOA SOTO tara dd o ita coa 46 10 4 3 grand Hinge ss s ENEE AAA AA AAA A AAA AAA oR ee A 47 ah E EE 48 11 1 PF and iLF Models 120 and 125 Configurations liliis 48 Section Ill Horizon Series Models o 50 12 Product Configuration x 312 s RR Rer ern ERR urn nd dnm ek rk eso E Ras E RUE dU d 50 12 1 Install Battery for Backup Power 50 12 2 Schedule Defrost Events sc d aM s score et aan dd aoe ENEE Nd as CR LSU CUR e ee a a a me d 50 12 21 Set Curent TIME deducere kd EN R3AUd EE dr Ee a E E Saee E dade 51 12 2 2 Set Defrost TMC 3 voe o Eee tei Diac ecu a e edo boa Bob ed bios 51 12 2 3 Schedule a Defrost Event 51 12 3 External Monitoring DEVICES 22 zv Pure cede ed RUNE d RO Roue Urt PED ee a P RR d 52 12 3 1 Connect to Remote Alarm Interface 52 12 4 Move Drawers Shelves and BasketS o ooooooror eee 53 12 5 Move Slides and Bracket 54 12 6 Level the Freezer 54 12 7 Optional Adapter Kits for Medication Dispensing Locke 54 KE
69. onnections are loose Upper chamber gt Confirm the upper temperature probe is reading temperature probe is not calibrated correctly Calibrate the probe if necessary 37 Helmer 9 4 Testing Problems Problem Possible Cause i Series Models Action The automatic temperature tests do not work Connections for the chamber temperature probe are loose gt Test the chamber temperature probe connections Secure the connections if necessary Chamber temperature probe is faulty gt Test the chamber temperature probe Replace the probe if necessary Monitor control board is faulty gt Replace parts with those included in the control board kit or replace the monitor control board High Alarm setpoint is set significantly higher than the default value or the Low Alarm setpoint is set significantly lower than the default value gt Confirm the alarm setpoints are set at the expected or correct values gt Test the temperature alarms manually A component is faulty or internal connections are loose 9 5 Condensation and Icing Problems Problem Possible Cause gt Contact Helmer Technical Service Action There is excessive water in the water evaporation tray inside the lower compartment in the back of the unit Humid air is entering the chamber Heater in the water evaporation tray is faulty gt Confirm the freezer is level and the door is a
70. ooler initiate a defrost cycle of the freezer Defrost heater on the evaporator in the unit cooler is faulty gt Confirm the drain line heater is hot and is drawing the appropriate current during a defrost event approximately 3 3 A to 5 5 A gt Replace the defrost heater if necessary 72 Helmer Horizon Series Models 16 Parts NOTE gt Before replacing parts protect items in freezer from extended exposure to adverse temperature gt Allow freezer temperature to stabilize at setpoint after replacing parts or after extended door opening 16 1 Front A BC D Front features HLF125 model shown Label Description Part Number aire A Temperature chart recorder standard on 800083 1 CA plasma freezer models optional on laboratory models B Horizon Series monitoring and control system Refer to subsequent section s HA for part numbers C Bezel with chart recorder door 800093 1 Bezel without chart recorder door 800092 1 Not Chart paper 52 sheets 220419 shown Not Chart recorder backup battery 120218 CC shown D Alarm disable key switch 120227 HE E Caster swivel with brake 220467 360144 D B 73 ZA Helmer Horizon Series Models 16 1 1 Access Control Option Helmer 9 2 o Optional Access Control door lock and keypad nti Schematic Label Description Part Number Label A Access Control cartridge cover B Acce
71. or 39 Helmer i Series Models Label Description Part Number Te A Temperature chart recorder standard on plasma 800084 1 CA freezer model optional on laboratory model B i C monitoring and control system Refer to subsequent IQ section s for part numbers C Bezel with chart recorder door 800069 2 Bezel without chart recorder door 400998 2 D Chart recorder door assembly 800070 1 E Chart paper 52 sheets 220419 F Chart recorder backup battery 120218 CC G Caster swivel with brake 220467 10 1 1 Access Control Option A B Optional Access Control door lock Seat Schematic Label Description Part Number Label A Access Control cartridge cover B Access Control door catch door side Not Access Control cartridge assembly includes Left hinged door 800020 1 N shown manual override key Right hinged door 800020 2 10 1 2 Control System and Display Ip SE ua 01 01 2010 30 0 C B Ge Cc BBE Left Front view LCD touchscreen Right Rear view showing display board 360144 D B 40 Helmer i Series Models Label Description Part Number SEG A Interface cable 800010 1 IG B Power cable 800010 1 IH C Display assembly includes touchscreen 800042 1 IQ display board interface cable speaker NOTE gt Thei C display assembly is sensitive to static electricity and can be damaged by electrostatic discharge Use prope
72. ove Drawer Slides 1 Using a screwdriver remove front bracket retainers 2 Tap front brackets upward to disengage standards 3 Remove slides from standards Install Drawer Slides 1 Insert slides into standard at appropriate height 2 Tap front brackets downward to engage standards 3 Using a screwdriver install front bracket retainers Remove Shelf Brackets 1 Using a screwdriver remove front bracket retainers 2 Tap front brackets upward to disengage standards 3 Remove front brackets from standards Install Shelf Brackets 1 Insert front brackets into standard at appropriate height 2 Tap front brackets downward to engage standards 3 Using a screwdriver install front bracket retainers Level the Freezer NOTE gt Leveling feet are optional gt Helmer recommends the use of leveling feet gt A bubble level may be used to ensure the freezer is level Leveling feet must be adjusted to provide unit cooler drainage Front to Back 1 Using a wrench raise or lower leveling feet 2 When freezer is properly leveled bottom of the unit cooler will slope downward from front to back toward the condensate drain line Side to Side 1 Using a wrench raise or lower leveling feet 2 When freezer is properly leveled bottom of the unit cooler will be horizontal parallel to the floor Optional Adapter Kits for Medication Dispensing Locks Contact Helmer Technical Service or your distributor for service documentation per
73. ption Part Number Ae A Door lock functions as Access Control manual override 220540 lock on models equipped with Access Control option B Upper hinge assembly includes pin and bracket Left hinge 400960 2 Right hinge 400960 1 C Upper hinge bearing 220541 D Door gasket 320726 1 E Door bumper 220441 F Lower hinge cam quantity 2 320742 1 G Lower hinge bearing 220375 H Door stop 320763 1 Lower hinge bracket Right hinge 400377 1 Left hinge 400377 2 Not Access Control lock cartridge assembly cabinet side Left hinge 800020 1 N shown included with Access Control option Right hinge 800020 2 360144 D B 47 Kes Helmer i Series Models 11 Schematics 11 1 iPF and iLF Models 120 and 125 Configurations MAIN POWER i Series Freezer 230V 50 Hz 208 230V 60 Hz iPF and iLF c 120 and 125 models a Page 1 of 2 POWER CORD n i C3 J18 Pin 2 F UNIT COOLER N po 0 B 17 l IL CIRCUIT Sc Y BREAKERS JUNCTION BOX L 30v oNLY R DEFROST SNUBBER HEATER Se c MAIN a SA POWER SWITCH G L2IN GND L1IN WHITE D RFI Filter L2OUT L1OUT E UNIT COOLER oN YELLOW FAN S DEFROST HEATER LIMIT THERMOSTAT From i C3 J18 Pin 5 Solid State Relay 1 i C3 Power PCBA
74. r failure and door open time NOTE Before testing alarms protect items in freezer from extended exposure to adverse temperature 13 5 1 Chamber Temperature Alarm Obtain gt 1 4 oz 125 ml glass of product simulation solution propylene glycol NOTE Temperature probes are fragile handle with care Test the high alarm 1 Identify setting for high alarm setpoint 2 Place the glass of product simulation solution in the freezer 3 When the product simulation solution has stabilized at the chamber temperature remove the solution from the freezer 4 Remove the chamber temperature probe from the probe bottle and insert into the product simulation solution 5 While stirring probe in the product simulation solution observe the temperature on the monitoring System display at which the high temperature alarm sounds 6 Compare the temperature at which the alarm sounds to the high alarm setpoint If values do not match refer to chapter 15 Troubleshooting 7 Remove probe from product simulation solution 8 Place temperature probe in probe bottle immersing it at least 2 50 mm 13 5 2 Power Failure Alarm NOTE During a power failure the battery should continue to provide power to the monitoring system 1 Switch AC ON OFF switch OFF Audible power failure alarm will activate immediately and PoFF power off will appear on the display 2 Switch AC ON OFF switch ON Audible power failure alarm will ceas
75. r ESD precautions when handling the display assembly gt Although the touchscreen and display board may be replaced independently of the i C display assembly Helmer recommends replacing the complete assembly 10 2 Top Top features Label Description Part Number ME sue A Condenser fan motor 230 V 50 Hz 120515 K 230 V 60 Hz 120493 B Compressor 230 V 50 Hz 400672 3 J 230 V 60 Hz 400672 4 C Monitoring system backup battery 120628 IB Not Condenser probe 800039 1 IL shown Not Solenoid valve 220547 W shown Not Solenoid coil 800096 1 V shown 360144 D B 41 Helmer i Series Models 10 3 Rear nm mo OUD Rear features iPF120 model shown Label Description Part Number SE A Electrical box Refer to subsequent section s for part numbers B Drain line fan 120511 Q C Drain line heater 120485 T D Drain line E Condensate evaporator assembly 400790 2 J includes condensate evaporator tray and cover F Power cable North American models 800002 1 A European models 800003 1 G Remote alarm contacts H RJ 45 Ethernet port 800008 1 IF USB port 120633 IE J RS 232 serial port optional K Battery backup switch 120202 IC L Main power switch 120478 C M Circuit breaker 12 A 120220 B UN CAUTION Do not remove the cover from the condensate evaporator tray 360144 D B 42 Helmer 10 3 1 Electrical Box Elect
76. rical box features iPF120 model shown i Series Models N CAUTION Disconnect the freezer from AC power before opening the electrical box Label Description Part Number e nas A Power supply board 800035 1 ID B Compressor relay 120426 L C Power line filter 120400 D Monitor control board 800034 1 IA NOTE The i C control board is sensitive to static electricity and can be damaged by electrostatic discharge Use proper ESD precautions when handling the board 360144 D B 43 Helmer i Series Models 10 4 Interior Helmer Interior features iPF125 model shown Label Description Part Number artes ers A Chart recorder probe 800024 1 CB B Upper chamber probe 800038 1 IK C Probe bottle and propylene glycol kit 400922 1 D Lower chamber probe 800037 1 lJ E Mullion heater behind strike plates 800082 1 U F Door switch 120380 M G Door Refer to subsequent section s for part numbers H Storage parts Refer to subsequent section s for part numbers Not Strike plate replacement kit includes strike 400687 1 shown plates 2 vertical 2 horizontal with pre applied foam tape foil tape and instructions Not Unit cooler Refer to subsequent section s F shown for part numbers 360144 D B 44 Helmer i Series Models 10 4 1 Unit Cooler A B Left Unit cooler Center and right Unit cooler parts Label
77. robe into bottle 4 Replace putty ensuring a tight seal Helmer General Information 3 4 3 4 1 3 4 2 360144 D B Chart Recorder If installed refer to the Temperature Chart Recorder Operation and Service Manual on CD The chart recorder has a battery system enabling a period of continuous operation if power is lost Battery life varies by manufacturer as well as voltage level remaining Providing full power is available backup power for the temperature chart recorder is available for up to 14 hours Prior to use gt Install battery gt Add paper gt Calibrate chart recorder to match upper chamber temperature Chart Recorder Access Open door by either pressing and releasing or by pulling door open Install Chart Paper 1 Press and hold C button When stylus begins to move left release button The LED flashes to indicate current temperature range 2 When stylus stops moving remove chart knob then move knob up and away 3 Place chart paper on chart recorder 4 Gently lift stylus and rotate paper so current time line corresponds to time line groove 5 Hold chart paper and reinstall chart knob NOTE gt For accurate temperature reading ensure that current time is aligned with time line groove when chart knob is tightened gt Do not overtighten knob 6 Confirm temperature range is set to the correct value 7 Press and hold C button When stylus begins to move right release button 8 Confirm s
78. s 38 Helmer 10 10 1 360144 D B Problem i Series Models Possible Cause Action After a defrost cycle no water flows into the water evaporation tray Not enough time has Allow approximately 20 minutes after the end elapsed since the end of the defrost cycle of the defrost cycle to check for water in the evaporation tray Drain line is plugged Confirm the drain tube is free of debris Remove debris if necessary Drain line heater is faulty Confirm the drain line heater is warm to the touch Contact Helmer Technical Service to resolve issues as necessary Defrost heater on the evaporator in the unit cooler is not working Check for ice buildup on the evaporator by looking through the fan grill with a flashlight If there is significant ice buildup inside or behind the unit cooler initiate a defrost cycle of the freezer Defrost heater on the evaporator in the unit cooler is faulty Confirm the drain line heater is hot and is drawing the appropriate current during a defrost event approximately 3 3 A to 5 5 A Replace the defrost heater if necessary Parts NOTE gt Before replacing parts protect items in freezer from extended exposure to adverse temperature gt Allow freezer temperature to stabilize at setpoint after replacing parts or after extended door opening Front Helmer 3 Left iPF120 freezer Right Chart recorder and do
79. s a chamber temperature other than 30 0 C gt The normal chamber temperature is too high or low after completing preventive maintenance and applicable troubleshooting tasks Confirm gt Freezer has been placed per location requirements in the operation manual gt Preventive maintenance has been completed per operation manual gt Troubleshooting items associated with chamber temperature have been reviewed if necessary NOTE If the Settings screen is password protected or if viewing settings for the first time enter factory default password of 1234 Perform the following 1 Touch i C APPS i C Settings 2 Enter the Settings password 3 Touch Temperature Setpoints 4 Touch or on the Temperature Setpoint spin box gt The setpoint is the temperature at which the freezer operates EXAMPLE gt Current setpoint is 30 0 C gt Target temperature is 25 0 C gt Setpoint adjustment value is 5 0 C 5 Touch or on the Hysteresis Setpoint spin box P The hysteresis setpoint is the allowable fluctuation in temperature relative to the temperature setpoint gt Alower hysteresis setpoint will limit the temperature variation to a smaller range gt Ahigher setpoint will allow the temperature to vary across a larger range NOTE Hysteresis is factory preset and should not be changed unless directed by Helmer Technical Service 360144 D B 18 Helmer i Series Models 6 Touch or
80. saving the new temperature value the displayed temperature may not match the new value This is normal 8 Replace the probe in probe bottle 9 Remove thermometer and probe from bottle and remove tape 10 Replace bottle cap ensuring a tight fit 11 Place probe in bottle immersing at least 2 50 mm Calibrate Compressor and Evaporator Probe The compressor and evaporator temperature probes have been factory calibrated Changing the calibration settings is not typically necessary and should not be performed unless directed by Helmer Technical Service 21 Helmer 7 3 4 360144 D B Factory Default Settings i Series Models Settings listed below may be simultaneously returned to factory default values NOTE The factory default settings may not be the same as the settings that were factory calibrated before the freezer was shipped Setting Restored Value Home Screen Application Icons i c APPS Temperature Alarm Test Temperature Graph Information Logs Download Display Brightness High 3 symbols Password for Settings screen 1234 Sounds On Alarm Volume 9 Alarm Tone On Temperature Calibration Values Values previously entered during setup Unit ID Serial number entered at factory Date Format MM DD YYYY Day Not affected maintained in real time clock Month Year Time Format 12 hour Minute
81. ss Control door catch door side Not Access Control cartridge assembly includes Left hinged door 800020 1 N shown manual override key Right hinged door 800020 2 C Bezel With chart recorder 800074 1 Without chart recorder 800057 1 D Access control keypad 800007 1 HM 16 1 2 Control System Display Parts A Left Control board Right Display with touchpad Label Description Part Number Schematic Label A Control board assembly 800006 1 HA NOTE The display board is sensitive to static electricity and can be damaged by electrostatic discharge Use proper ESD precautions when handling the board 360144 D B 74 Helmer 16 2 Top Top features Horizon Series Models Label Description Part Number gi ice A Condenser fan motor 230 V 50 Hz 120515 K 230 V 60 Hz 120493 B Compressor 230 V 50 Hz 400672 3 J 230 V 60 Hz 400672 4 C Monitoring system backup battery 120399 HH Not Solenoid valve 220547 W shown Not Solenoid coil 800096 1 V shown 16 3 Rear nm mo OWS Rear features HPF125 model shown 360144 D B 75 Helmer Horizon Series Models Label Description Part Number EES A Electrical box Refer to subsequent section s for part numbers B Drain line fan 120511 Q C Drain line heater 120485 T D Drain line E Condensate evaporator assembly includes 400790 2 J condensate evaporator tray and cover F
82. stem varies by model C Control System i Series freezers are equipped with the i C monitoring and control system The i C system combines temperature control and monitoring into a single interface Home 833297 01 01 2010 30 0 C 30 1 C Lower Temp m Kes Helmer General Information 3 2 2 3 3 3 3 1 3 3 2 360144 D B Horizon Series Control System Horizon Series freezers feature the Horizon combined monitor and temperature controller The Horizon Series system controls chamber temperature and monitors and displays operational information Temperature Probes Number and location of probes varies by model External probes may be introduced through existing top ports and immersed in existing probe bottles For each probe bottle use gt Approximately 4 oz 120 ml of product simulation solution 1 1 ratio of water to propylene glycol Left Probe bottle with temperature and chart recorder probes Right Top access port Fill Temperature Probe Bottle NOTE Temperature probes are fragile handle with care 1 Remove all probes from bottle and remove bottle from bracket 2 Remove cap and fill with approximately 4 oz 120 ml of product simulation solution 3 Install cap and place bottle in bracket 4 Replace probes immersing at least 2 50 mm in solution Install Additional Probe Through Top Port 1 Peel back putty to expose port 2 Insert probe through port into chamber 3 Insert p
83. t The Home button is touched from any other screen gt There is no interaction for two minutes on any screen other than those used to enter a password 01 01 2010 2 Lower Temp 7 1 1 Home Screen Functions NOTE Refer to the i C User Guide for options available on all i C screens View current temperature readings View the current system time and date Access any of the five customizable applications touch i C APPS for additional applications View detailed information about current or previous alarm events or door open data View whether the monitoring system is running on battery power Mute audible alarms Turn the chamber light on and off View a graph of the chamber temperature LA AA AA A A AAA 360144 D B 17 F Helmer i Series Models 7 2 Temperature Settings Temperature setpoint values are programmed at the factory Setpoints can be viewed and changed through the i C monitoring and control system To view temperature setpoints touch Home i C APPS Settings Details for each setpoint are displayed Temperature Controller Programs 833297 01 01 2010 30 0 C Temperature 30 0 C Control Sensor Probe o Hysteresis ASAS 30 0 C Setpoint Evaporator Defrost EE Walp sda 30 0 C Probe Error Duty 100 cycle pete me D Temperature Controller Programs screen NOTE Default chamber temperature setpoint is 30 0 C Change the setpoint if gt Your organization require
84. t is being changed J SET button Allows settings to be selected prior to changing settings K CONTROL lamp Indicates when the reading from the temperature probe is displayed E MONITOR lamp Indicates when the display is showing temperature readings from the monitor probe Also indicates when alarm setpoints are being changed 55 gt Helmer Horizon Series Models 13 2 13 3 360144 D B NOTE The Alarm Disable key switch disables all audible alarms This switch does not affect alarm lamps or signals sent through the remote alarm interface Freezer Setpoint NOTE Default setpoint is 30 0 C Change the setpoint if gt Your organization requires a chamber temperature other than 30 0 C gt The normal chamber temperature is too high or low after completing preventive maintenance and applicable troubleshooting tasks Confirm gt Freezer has been placed per location requirements in the operation manual gt Preventive maintenance has been completed per operation manual gt Troubleshooting items associated with chamber temperature have been reviewed if necessary Change setpoint 1 Determine the new setpoint 2 Determine the change in value to reach desired setpoint Adjustment should be the difference between current setpoint and new setpoint EXAMPLE gt Current setpoint is 30 0 C gt Target setpoint is 25 0 C gt Setpoint adjustment value is 5 0 C 3 On the monitori
85. taining to medication dispensing locks 54 Sr Helmer Settings Through the Horizon Series monitoring and control system current settings may be viewed and changed 13 13 1 360144 D B Horizon Series Models NOTE gt Control Sensor Offset and Hysteresis settings are factory preset and should not be changed unless directed by Helmer Technical Service gt Changing temperature settings affects operation of the freezer Do not change settings unless instructed in product documentation or by Helmer Technical Service Monitor and Controller Interface A B E HIGH TEMP E LOW TEMP DOOR ALARM F J G K L Label Description Function A COOL lamp Indicates the compressor is running B Display Displays real time temperature information setpoints and alarms C HIGH TEMP lamp Indicates when the freezer is in a high temperature alarm condition Also indicates the high alarm temperature setpoint is being changed D LOW TEMP lamp Indicates when the freezer is in a low temperature alarm condition Also indicates the low alarm temperature setpoint is being changed E DOORALARM lamp Indicates when the door is open F UP ARROW button Increases a temperature setting G DOWN ARROW Decreases a temperature setting Also mutes the audible alarm for button five minutes H SEL button Toggles between alarm monitor and control modes SET lamp Indicates when temperature setpoint or alarm setpoin
86. tch ON toward the outer ring 4 Remove a defrost event gt A e appropriate time mark position the switch OFF toward the inside ring 5 Replace the electrical box cover 6 Switch the AC ON OFF switch ON Turn the Alarm Disable key switch ON 7 Press the Mute button to disable the high temperature alarm while freezer reaches operating temperature GRASSLIN d 1 AS Defrost controller with defrost times set to On position at 12 00 AM 8 00 AM and 4 00 PM External Monitoring Devices The remote alarm interface is a relay switch with 3 terminals gt Common COM gt Normally Open NO gt Normally Closed NC Terminals are dry contacts and do not supply voltage Interface circuit is either normally open or normally closed depending on terminals used Requirements for your alarm system determine which alarm wires must connect to terminals NOTE Do not connect any monitoring device that exceeds the maximum load capacity The terminals on the remote alarm interface have the following maximum load capacity gt 0 5Aat 125 V AC 1 Aat 250 V DC Connect to Remote Alarm Interface Switch AC ON OFF switch OFF Disconnect the battery On the electrical box locate the remote alarm terminals Connect remote alarm wires to appropriate terminals according to requirements for your alarm system Use a cable tie to relieve strain on alarm wires as necessary Switch AC ON OFF switch ON Reconnect the battery Press
87. the Mute button to disable the high temperature alarm while freezer reaches operating temperature joco P Ww 52 Helmer Horizon Series Models 12 4 360144 D B Move Drawers Shelves and Baskets Helmer Helmer as E Storage features CAUTION gt Before moving drawers ensure they are completely empty for safe lifting gt Maximum basket drawer or shelf load is 100 Ibs 46 kg NOTE Before moving storage components protect stored items in freezer from extended exposure to adverse temperature Remove a Drawer or Basket 1 Pull drawer or basket out until it stops 2 Tiltthe front of the drawer or basket upward 3 Pull drawer or basket free of the slides Install a Drawer or Basket 1 Align end guides on drawer or basket with the slides 2 Gently push drawer or basket into chamber until it stops 3 Pull drawer or basket out until it stops check for smooth operation Remove a Shelf 1 With one hand lift front edge of the shelf from the front brackets 2 With the other hand reach under the shelf and bump rear edge of the shelf upward to disengage rear brackets Install a Shelf 1 Insert shelf into chamber placing it on brackets 2 Gently bump rear edge of the shelf downward to engage brackets 3 Pulling shelf forward gently shelf should not disengage from rear brackets 53 Helmer Horizon Series Models 12 5 12 6 12 7 360144 D B Move Slides and Brackets Rem
88. to secure the drain tube to the cabinet 9 Switch AC ON OFF switch ON Reconnect the battery 10 Press the Mute button to disable the high temperature alarm while freezer reaches operating temperature 64 Helmer Horizon Series Models 14 5 Access Control Cartridge Removal and Installation The Access Control lock cartridge is a serviceable assembly installed on the freezer cabinet Required tools gt Needle nose pliers gt 10 spanner driver 14 5 1 Cartridge Removal 1 Switch AC ON OFF switch OFF Disconnect the battery 2 Open freezer door and prop the door open gt If door is locked use the key to override the Access Control lock then open door 3 Use a screwdriver to remove 3 screws securing the Access Control cartridge cover 4 Remove cover Remove 5 Cut the zip tie securing the bundled wires to the cartridge Separate the spade connectors 6 Use a screwdriver to remove 2 screws securing the cartridge assembly Cut zip tie Remove 7 Remove cartridge assembly 360144 D B 65 gt Helmer Horizon Series Models 14 5 2 14 6 360144 D B Cartridge Installation 1 Insert upper screw through gt Upper hole in cartridge body gt Metal latch bushing gt Door latch gt Nylon latch bushing 2 Insert lower screw through gt Lower hole in cartridge body Nylon spacer 3 Place the cartridge against the cabinet and align the screws with the holes in the cabinet 4 Hand thread 2 screws into
89. tylus is marking temperature correctly F Helmer General Information 4 References and Compliance 4 1 Alarm Reference If an alarm condition is met an alarm activates Some alarms are visual only others are visual and audible Some alarms are sent through the remote alarm interface The table indicates if an alarm is audible A visual V or sent through the remote alarm interface R Alarm Alarm Type High Temperature A V R Low Temperature A V R Compressor Temperature A V R i Series Door Open Time A V R Power Failure A V R Low Battery V i Series No Battery A V R i Series Probe Failure A V R Communication Failure A V R i Series 4 2 Regulatory Compliance This device complies with the requirements of directive 93 42 EEC concerning Medical Devices as amended by 2007 47 EC Sound level is less than 70 dB A 0086 Emergo Europe EC REP Molenstraat 15 2513 BH The Hague Netherlands 4 3 WEEE Compliance The WEEE waste electrical and electronic equipment symbol right indicates compliance with European Union Directive WEEE 2002 96 EC and applicable provisions The directive sets requirements for labeling and disposal of certain products in affected countries E When disposing of this product in countries affected by this directive gt Do not dispose of this product as unsorted municipal waste gt Collect this product separately gt Use collection and return syst
90. ulty board kit or replace the monitor control board A component is gt Contact Helmer Technical Service faulty or internal connections are loose All alarms are Alarm system is faulty Confirm the circuit board and line connections are activating sporadically functioning correctly Monitor control board gt Replace parts with those included in the control is faulty board kit or replace the monitor control board A component is gt Contact Helmer Technical Service faulty or internal connections are loose Compressor is gt Check the condenser grill Clean if necessary overheating due to gt Confirm freezer location meets requirements lack of airflow Condenser alarm gt Confirm the alarm setpoint is set at the expected setpoint is too low or correct value Refrigerant level is too Check refrigeration lines for leaks and repair if low necessary Check the refrigerant level Recharge refrigerant if necessary Condenser probe is gt Contact Helmer Technical Service to confirm not calibrated the condenser probe is reading correctly and to calibrate the probe if necessary An alarm activated Temperature changed gt No action necessary but the temperature slightly around the recorded at activation time of activation does not match the alarm setpoint The High Temperature Chamber temperature gt Confirm the probe bottle is full of solution and the alarm is activating probe is not immersed probe is placed in the
91. ure calibration Change the calibration if necessary Connections for the chamber temperature probe are loose gt Test the chamber probe connections Secure the connections if necessary Temperature probe wiring is an open circuit gt Check the continuity of the probe wiring Replace the probe if necessary Probe bottle is empty or the amount of solution is too low gt Check the level of product simulation solution in the bottle Clean and refill the bottle if necessary Solution in the probe bottle is frozen gt Refill the bottle with new solution Digital electronics are locked because of an interruption in power gt Reset the monitoring system Monitor is not calibrated gt Confirm the temperature probe is reading correctly Calibrate the chamber probe if necessary A component is faulty or internal connections are loose gt Contact Helmer Technical Service The chamber temperature meets an alarm condition but the appropriate temperature alarm is not active Temperature alarm setpoint was changed gt Check the current setpoints for the temperature alarms Change the setpoints if necessary The compressor runs continuously Freezer setpoint is set too low gt Confirm the setpoint is set within the operating range and change it if necessary Temperature control probe in the unit cooler is faulty gt Replace the probe if necess
92. ution in the bottle Clean and refill the bottle if necessary Solution in the probe bottle is frozen gt Refill the bottle with new solution Digital electronics are locked because of an interruption in power gt Reset the monitoring system Monitor is not calibrated gt Confirm the temperature probe is reading correctly Calibrate the chamber probe if necessary A component is faulty or internal connections are loose gt Contact Helmer Technical Service 67 Helmer 360144 D B Problem Possible Cause Horizon Series Models Action Prob appears on the display but the chamber temperature is set correctly Connections for the chamber temperature probe are loose gt Test the probe connections Secure the connections if necessary Temperature probe wiring is an open circuit gt Check the continuity of the probe wiring and connections Secure the connections or replace the probe if necessary A component is faulty gt Contact Helmer Technical Service An error code displays on the monitor A component is faulty or internal connections are loose gt Contact Helmer Technical Service The chamber temperature meets an alarm condition but the appropriate temperature alarm is not active Temperature alarm setpoint was changed gt Check the current setpoints for the temperature alarms Change the setpoints if necess
93. wer gt When installing a replacement battery use only a battery which meets the specifications outlined in chapter 14 6 Supplies The battery is located on the top of the freezer Models Battery HPF and HLF 1 non rechargeable 9 V lithium or equivalent battery Battery is taped next to the battery holder Install and connect the battery to provide monitoring system with backup power in the event of AC power failure Schedule Defrost Events Defrost events may be scheduled to occur at specific times Access to the defrost controller is available from the back of the freezer in the electrical box Specify the number of defrost events to execute per day as well as the time at which to initiate each defrost cycle The cycles are based on the current time settings on the defrost controller The defrost controller features two time indicators and a time adjustment ring The hour and minute hands show the current time in hours and minutes The outer ring shows the current time including AM or PM to the nearest 15 minute interval 50 Horizon Series Models A g B SS E m E lt a 2 5 i xm E as C am p GE A z z 4 a 2 D vo E Defrost controller with current time set to approximately 9 30 PM Label Description A PM indicator Current time indicator includes AM PM to the nearest 15 minute interval Current time indicator hour and minutes only AM indicator Time adjustment ring
94. wiring and secure it to the back of the cartridge with a zip tie NOTE Latch must be in the unlocked position rotated toward the back of freezer before installing cartridge cover 8 Install the Access Control cartridge cover a Place the cover over the cartridge and align the screw holes with the holes in the cabinet b Hand thread 3 screws into the holes in the cabinet c Using a screwdriver tighten the screws 9 Close freezer door 10 Switch AC ON OFF switch ON Switch battery switch ON 11 Touch Mute to disable the high temperature alarm while freezer reaches operating temperature Supplies Refrigerant non CFC R 404A Chart paper 220419 52 sheets Propylene glycol solution 400922 2 LED lamp 400954 1 1 3 W 1 12 V 7 Ah rechargeable sealed lead acid battery 120628 1 9 V non rechargeable alkaline or equivalent 120218 31 Helmer 9 Troubleshooting i Series Models N CAUTION General Operation Problems 9 1 360144 D B Review all safety instructions prior to troubleshooting Refer to chapter 2 Safety Problem Possible Cause Action A drawer does not slide easily Debris in the drawer slides Pull the drawer out and confirm the slides are free of debris Clean if necessary Drawer slides are not gt Using a multi purpose grease lubricate the lubricated bearings in the slides Ice buildup in the gt Pull the drawer out and confirm the slides are
95. zation may be substituted gt 4o0z 120 ml of product simulation solution per bottle gt Solution is a 1 1 ratio of water to propylene glycol Clean and refill bottles Remove probe from bottle Remove bottle from bracket Clean bottle with water bleach solution Fill bottle with 4 oz 120 ml of product simulation solution Cap bottle tightly to minimize evaporation Place bottle in bracket Replace probe immersing at least 2 50 mm NO oh WN 360144 D B 27 gt Helmer i Series Models 8 3 6 8 4 8 5 360144 D B i C e Touchscreen Clean touchscreen with a soft dry cotton cloth Defrost the Unit Cooler Defrost events may be scheduled to occur at specific times A defrost event can be triggered on demand without affecting a programmed defrosting schedule 1 Touch i C APPS Temperature Setpoints 2 Touch the Manual Defrost Start button gt The Defrost icon will appear for the duration of the defrost cycle 3 To cancel touch the Manual Defrost Stop button Unit Cooler Removal and Installation If unit cooler cover is not removed as detailed in this procedure the drain port may be damaged Improper drainage may result in excessive icing and freezer s inability to maintain temperature Required tools gt 5 16 socket wrench gt Tool to push putty away from the drain tube C A D B E F G Drain tube fan and heater components Label Description A Unit cooler cover Dr

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