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Refrigerator Service Manual

1. 105 360127 1 A Helmer iv Refrigerator Service Manual This page left blank intentionally Helmer 360127 1 A Section I General Information 1 Section General Information 360127 1 A Helmer 2 Refrigerator Service Manual This page left blank intentionally Helmer 360127 1 A 1 1 1 2 1 2 1 1 2 2 1 2 3 1 3 General Information About this Manual 3 About this Manual This chapter explains the symbols and conventions used in this manual copyright information about this document and trademark information for products supplied by Helmer Intended audience This manual is intended for use by authorized end users and qualified service technicians and is to be used in conjunction with the i C ru User Guide Refrigerator Operation Manual Chart Recorder Operation Manual and the Horizon Access Control Keypad User Guide available on the CD shipped with the refrigerator Symbols and conventions Cautions A Caution is used to call attention to a condition or possible situation that could damage or destroy the eguipment or the operator s work CAUTION Temperature probes are fragile Handle them with care Notes Notes contain additional information about a topic Notes are used to provide information about how a topic relates to another topic or background information about a design characteristic NOTE Spare parts are available for purchase through Helmer
2. 82 16 5 Troubleshooting condensation problemsS Y YF n 84 T PANS DD AU EU YRU P ER 85 17 1 FAE Eb eee oe de co ed ob E e 85 1752 du WR Pedes T og Eod teed EE ok as ie od oe x Rd ka ds 87 Tod RERUM Ed ea NE Ea Sade X qam a unde 88 WA d tenor uis seh GG Eu S Fed SEE me EE DD den NR Te ae OD 90 16 Schemall6S 2acsveorEPIE a3 RR hes PF EFE ERR PEDE E QUEE EE 95 18 1 HB HLR and HPR models 120 125 245 and 256 configurationS eee 95 18 2 HLR and HPR models 111 configuration YF FF FFF eee 96 19 SettiNgS EE ME 97 19 1 Touring the monitoring and control system 97 19 2 Viewingcurrentsetting8 FY I FF FF FFF e au 98 19 3 Changing Settings ew ROY ds PG GS Sane e kon ioa DD eed dae PUn 99 19 4 Testing alar llS s esum uc Gay are Sean We M OE reel ee we ane 101 FP Esa 22 AR RW Mg dB ARDD AN OD er 103 20 1 Rel i Product Warranty USA and Canada 103 20 2 Outside of USA and Canada 0 FF FI ner hh 104 21 References and 105 21 1 A rmref rence asisssstsrkaar rederne veske dnd Ru a Mer bus o EMA 105 21 2 Energy conservation and regulatory
3. L2 NEUTRAL TERMINAL STRIP i C3 Power PCBA 5 Solid State Relay 1 o E Interior Light Power Supply iS Pass Thru s i C3 Power PCBA t ___Non Control Side amp i Heater z i C3 J18 Pin 9 i i Option Mr is gt i i Right Door lt lt Option vr gt 1 VS iv LT i iR Pass Thru Control Side i C3 J18 Pin 2 pope LT d a em EE Ea Left Heater i Option I mn gt gt COMPRESSOR LlLDIDLIL l LEN en Interior Light Power Supply Condensate 6 Evaporator From i C3 J18 Pin 4 GROUND TERMINAL 16 2 3 4 5 6 7 8G 9 10 o o oo oc 5188 g 3 o x X rz Z 8 28 aln 22 Q A 88 25 5 3 E 360127 1 A venus iM Np HELMER n E INC 400937 1 SD Memory Card i C3 Display PCBA iQ Bezel Mount Components i Series Models Schematics 111 120 Speaker w Touch Screen 51 Series Refrigerator iB iPR and iLR 125 245 and 256 models Page 2 of 2 i C
4. 70 14 Temperature Controller Programs 71 14 1 FYSteresis MC Pr CY SEO ye ad SR O GY eh O se par GALED 71 14 2 Highalam Setpoint ine iY RO GAD EDDU FED ED ESAME 71 14 3 Low alarm Setpoint a avsa ee daw GAU A ly GA ACA RR AUR AU RC I e REN 71 14 4 Control temperature offset value FFFF Y ln 71 14 5 Monitor temperature offset Y Y uu 71 Helmer 360127 1 A Contents iii 15 Maintenance ce tes ces RG DU DO EFE 72 15 1 Recharging refrigerants sus RR x Pk ed od ke de ek e kl 72 15 2 Checking the monitoring system backup 73 15 3 ReplacingLEDlamps LY rn eee 73 15 4 Cleaning the refrigerator YFY FFF rn nr nr hr 74 15 5 Removing and installing the unit cooler 75 15 6 Removing and replacing the Access Control cartridge 76 15 7 Supplies cis cm ne e e eee ne BR RE debe ades due dde d RS 79 16 Troubleshooting 224 29 xo utor xx ERES SERES S REPRE EUER 80 16 1 Troubleshooting general operation problems YYF FF nike 80 16 2 Troubleshooting chamber temperature problems 81 16 3 Troubleshooting alarm activation
5. R FANS Snubber Circuit L COMPRESSOR SSR HK OO Pass Thru O 2 Compressor SSR 1 INon Control Side JO Heater 3 Lighting Power Supply Option O 4 TEMP CONTROL XFMR O 6 CHART RECORDER XFMR O O 7 Defrost Timer O Right Non Control Side Door Heater HJ iol Left Non Control Side Door Heater Pass Thru oo Control Side O Orig Left Control Side Door L1 OUT L2 OUT O 2 Compressor lol D 3 Lighting Power Supply RFI FILTER O 4 TEMP CONTROL XFMR Q 5 unit Cooler Fan GND L2IN Jot O 6 CHART RECORDER XFMR i lol O 7 Defrost Timer JOL right Non Control Side Left Non Control Side MAIN POWER O Door Heater NO Door Heater SWITCH Left Control Side Door O Ott eater Heater HJ Hester Er Right Control Side Door Heater JOT Right Control Side Door Heater Left Door Option oo or 12V DC POWER SUPPLY oo or 12V DC POWER SUPPLY Heater O12 CONDENSATE EVAPORATOR O O14 CON
6. CAUTION Do not change setpoint to a value outside the temperature control range 1 Determine the new setpoint temperature Determine the change in value to reach the desired setpoint The adjustment will be the difference For example if the desired normal temperature is 4 0 but the current setpoint is 4 5 C then the difference is 0 5 C The setpoint adjustment value is therefore 0 5 9C 3 On the monitoring system change to Control mode by pressing and releasing the SEL button until the CONTROL lamp is lit 4 Press and hold the SET button A reference temperature displays which is typically higher than the chamber temperature 5 While holding the SET button press the Up Arrow and Down Arrow buttons as needed to enter the adjustment value determined in step 2 The button increments are 0 1 C 6 When finished release all buttons The setpoint is changed 7 Return to Monitor mode by pressing and releasing the SEL button until the MONITOR lamp is lit External monitoring devices CAUTION Do not connect any monitoring device that exceeds the maximum load capacity for your model The refrigerator provides a remote alarm interface to send information to external devices such as the Helmer Remote Alarm Monitoring System For more information and availability contact Helmer or your local distributor The remote alarm interface is a relay switch with three terminals Common COM Normally Open NO and Normally Closed N
7. Helmer Refrigerator Service Manual i Series and Horizon Series Blood Bank Models e i Series iB111 Version B iB120 iB125 iB245 iB256 Version C Horizon Series HB111 Version B HB120 HB125 HB245 HB256 Version C Laboratory Models i Series iLR111 Version B iLR120 iLR125 iLR245 iLR256 Version Horizon Series HLR111 Version B HLR120 HLR125 HLR245 HLR256 Version C Pharmacy Models i Series iPR111 Version B iPR120 iPR125 iPR245 iPR256 Version Horizon Series HPR111 Version B HPR120 HPR125 HPR245 HPR256 Version C Model SIN HELMER INC m 14395 Bergen Boulevard 0086 Noblesville IN 46060 USA Phone 1 317 773 9073 ISO 13485 2003 CERTIFIED USA and Canada 800 743 5637 360127 1 A Contents i Contents Section I General 1 1 1 AboutthisManual FF es 3 SACL dk NPS o RO OO Fa FE eae be 4 2 1 Labels uses es Sess aka E on ER eae ee UD ew bole E E a UU AE 4 2 2 Avoiding INJURY TEE CET 4 ce ID rS ER RY WED AU AED UR A EUO AE 5 3 1 Finding model and input power 5 3 2 Identifying the control system YFFFFFE FF m ues 5 3 3 Preparing temperature nrk 6 3 4 Preparing the chart recorder za nao ves cia sake RE sage EARNE VERS kG
8. 2 screws securing the cartridge assembly to the side of the cabinet Cut zip tie Remove 6 Remove the cartridge from the cabinet To install the replacement Access Control cartridge 1 Insert a screw through the upper hole in the cartridge body then through the door latch and latch bushings 2 Inserta screw through the lower hole in the cartridge body and the nylon spacer o Hold the cartridge against the refrigerator cabinet and align the screws with the holes in the cabinet 3 Hand thread each screw into the corresponding hole in the cabinet Latch Metal latch yL bushing Hand thread Nylon spacer screws NOTE Ensure the wires will not be pinched between the cartridge body and the cabinet 4 Tighten both screws to attach the cartridge to the cabinet 5 Connect the electrical wires from the cabinet to the wires from the cartridge Bundle the excess wiring and secure it to the back of the cartridge with a zip tie NOTE The latch must be in the unlocked position rotated toward the back of the freezer before installing the cartridge cover 6 Install the cover over the Access Control cartridge Hold the cover over the cartridge and align the three screw holes with the corresponding holes in the cabinet Install 3 three screws and tighten to secure the cover 7 Close the refrigerator door and return the refrigerator to normal operation to provide power to the Access Control lock Connect the refrigerator to outlet power
9. 3 Test installation by pulling the shelf forward gently The shelf should not disengage from rear brackets Drawer labels Drawers feature a label groove labels not provided Drawer with sample label Drawer weight NOTE Maximum drawer load is 100 Ibs 46 kg Moving slides and brackets To remove a set of slides 1 Using a screwdriver remove the retainers for the front brackets 2 Tap the front brackets upward to disengage them from the standard 3 Remove the slide from the standards To install a set of slides 1 Insert the slides into the appropriate height in the standard 2 the front brackets downward to engage them in the standards 3 Using a screwdriver install the retainers for the front brackets 360127 1 A Helmer 16 Refrigerator Service Manual To remove a set of shelf brackets 1 Using a screwdriver remove the retainers for the front brackets 2 the front brackets upward to disengage them from the standards 3 Remove the front brackets from the standards To install a set of shelf brackets 1 Insert the front brackets into the appropriate height in the standards 2 the front brackets downward to engage them in the standards 3 Using a screwdriver install the retainers for the front brackets 4 5 Leveling the refrigerator After the refrigerator has been placed the leveling feet must be adjusted in order to provide proper drainage of condensation from the evaporator coil inside the un
10. An event is added to the event log indicating the power failure alarm condition reset 5 Change the Power Failure Time Delay setting back to the original value Helmer 360127 1 A 10 3 4 10 4 10 5 10 6 i Series Models Settings 59 Testing the door open alarm CAUTION Testing the door open alarm requires the refrigerator door to be left open for an extended period of time which may affect the chamber temperature Before testing the alarm take precautions to protect items in the refrigerator from extended exposure to adverse temperatures 1 Identify the current setting for the Door Open Time delay 2 Change the setting to zero minutes For instructions refer to the i C User Guide 3 Open the refrigerator door The door open alarm should activate immediately causing the audible alarm to sound and the Door Open alarm message to appear on the Home screen An event is added to the event log indicating the door open alarm condition started 4 Close the refrigerator door The door open alarm should clear causing the audible alarm to clear and the Door Open alarm message to clear from the Home screen An event is added to the event log indicating the door open alarm condition reset 5 Change the Door Open Time setting back to the original value Upgrading the system firmware Helmer may occasionally issue updates for the i C firmware In the case of updated firmware follow the upgrade instructions included with the firmware upd
11. Horizon Series control system Horizon Series refrigerators feature the Horizon combined monitor and temperature controller The Horizon Series system controls chamber temperature and monitors and displays operational information The user interface for this system is located over the refrigerator door Horizon Series monitoring and control system display Preparing temperature probes Temperature probes monitor chamber temperature Number and location of probes varies by model In addition to using standard probes installed by Helmer external probes may be introduced through existing top ports and immersed in existing probe bottles Probes can also be inserted through a side access port availability varies by model For cach probe bottle obtain gt Approximately 4 oz 120 ml of product simulation solution Solution is a 10 1 ratio of water to glycerin Am Left Probe bottle with temperature and chart recorder probes Middle Access port as seen from the top of the refrigerator Right Access port on side of refrigerator The number and location of ports varies by model To install an additional external probe through the top 1 Peel back the putty to expose the port and insert probe through the port into chamber 2 Insert probe into the bottle 3 Replace putty ensuring a tight seal To install an additional external probe through the side 1 Remove the interior and exterior plugs to expose the side access port and ins
12. 10 1 oz 286 g 230 V 50 Hz 230 V 60 Hz Double door models 245 and 256 115 V 60 Hz 12 5 oz 354 g 230 V 50 Hz Double door models 245 and 256 230 V 60 Hz 12 5 oz 354 g Obtain gt Refrigerant of the appropriate type and quantity calibrated pressure gauge capable of reading 0 lb in to 25 Ib in 0 kPa to 175 kPa 1 Attach the pressure gauge to the refrigeration lines 2 Monitor the low side suction pressure through a full compressor cycle 3 Atthe end of the next cycle before the compressor stops measure the pressure The pressure varies depending on the ambient air temperature The low side pressure should be 16 Ib ir to 18 Ib in 110 kPa to 125 kPa Add refrigerant so the pressure is within the acceptable range 360127 1 A Helmer 22 Refrigerator Service Manual 6 2 Checking the monitoring system backup battery UN CAUTION Checking the monitoring system rechargeable backup battery requires that 6 3 Helmer power be disconnected from the refrigerator which may affect the chamber temperature Before testing the alarm take precautions to protect items in the refrigerator from extended exposure to adverse temperatures The monitoring system has a visual indicator to indicate that the monitoring system is running on rechargeable battery power On all 1 C screens the Battery icon will appear in the header bar when the system is running on battery power and the screen brightness will autom
13. Noblesville IN 46060 USA Phone 1 317 773 907 Fax 1 317 773 9082 www helmerinc com Helmer
14. be replaced if necessary The lock cartridge is an assembly that is installed on the outside of the refrigerator cabinet AN CAUTION Review all safety instructions prior to replacing the Access Control cartridge See chapter 2 Safety gt Power the refrigerator off and disconnect AC power before performing service The chamber temperature will increase above the allowable temperature range for stored inventory while performing this procedure Take precaution to protect items in the refrigerator from extended exposure to adverse temperature The following is reguired to remove and replace the Access Control cartridge gt Wire cutter 2 Phillips screwdriver To remove the Access Control cartridge 1 On the electrical box on the back of the refrigerator switch the AC ON OFF power switch OFF Disconnect the refrigerator from outlet power as well Disable the power failure alarm by touching the Mute button 2 Open the refrigerator door and prop the door open If the door is in a locked state use the manual override key to override the Access Control lock then open the refrigerator door 3 Remove the 3 screws securing the cover over the Access Control cartridge on the side of the refrigerator cabinet then remove the cover Remove 4 Cut the zip tie securing the bundled wires to the back of the cartridge Separate the two pairs of spade connectors Helmer 360127 1 A i Series Models Maintenance 27 5 Remove the
15. cover to avoid damaging the unit cooler fan wiring To reinstall the unit cooler cover 1 In the chamber verify the wiring for the unit cooler fan is connected and routed correctly The wiring should be routed above the copper tube inside the unit cooler If the wires have separated reconnect them the two wires marked with wire ties should be connected to each other 2 Reinstall the unit cooler fan cover Lift the unit cooler cover into place making sure the front of the cover is behind the lip on the unit cooler Using the socket wrench tighten the screws to secure the cover in place Make sure the screws are tight enough so the unit cooler does not move when bumped If the unit cooler is not tightly in place the tubing will be more difficult to install 3 On the rear insert the vinyl tube C through the hole in the refrigerator Push the tube upward at an angle so the end slides over the drain port In the chamber the drain port should be completely covered by the tube AN CAUTION The water evaporation tray and condensate evaporator may be hot 4 In the chamber press the putty around the vinyl tube and partially into the hole to ensure a tight seal 5 Connect the refrigerator to outlet power and switch the AC ON OFF switch ON Switch the battery backup switch ON 360127 1 A Helmer 26 Refrigerator Service Manual 6 6 Removing and replacing the Access Control cartridge The Access Control lock cartridge is a serviceable part and may
16. eae Y Deine 7 Section ll i Series Models FF ud 9 Product Configuration won besos 11 4 1 Installing batteries for backup 11 4 2 Refrigerator setpoint configuration lY FY I FF FE rn 12 4 3 External monitoring deviceS YY FFR hh 14 4 4 Moving drawers shelves and baskets YY FFF Y ns 14 4 5 Leveling the retmigerator i acer ret FR meagan nk agi giat band AYN RR WDD A geared 16 4 6 i 00r charactefiStlCS 2 ua sies Ke tela ete le SEG sh e nna AD do 16 4 7 Optional adapter kits for medication dispensing 16 5 Temperature Controller Programs 17 5 1 Temperature setpoint settings 000 cette eee 18 5 2 Temperature calibration settings 0 0 cette 19 6 Maintenance ci Ea ore RW EUR d eet REOR are Re EUREN E E EE Ps 21 6 1 Recharging retrigerant ac xen Rx RR ER RARE MO RU qaa RE OUR RR Rp RAN UR Nd 21 6 2 Checking the monitoring system backup 22 6 3 Replacing LED lamps mis siram tiii on RORIS PR IRR UTR Re Ek ROSS AA aan G 22 6 4 Cleaning the refrigerator 2 224 220 RR YRRIR e REA REX IRAE ERE 23 6 5 Removing and installing the unit cooler 24 6
17. if gt Your organization requires a chamber temperature different from 4 0 The normal chamber temperature is too high or low even after completing preventive maintenance and applicable troubleshooting tasks Before changing setpoint confirm Refrigerator has been placed per location requirements See operation manual Preventive maintenance has been completed See operation manual gt Troubleshooting items associated with chamber temperature have been reviewed The temperature controller is integrated into the monitoring and control system The temperature setpoint is configured through the 1 C screen CAUTION Do not change setpoint to a value outside the temperature control range 1 Determine the new setpoint temperature Determine the change in value to reach the desired setpoint The adjustment should be about half of the difference between the current setpoint and the new setpoint For example if the desired normal temperature is 4 0 but the current setpoint is 4 5 9C then the difference is 0 5 and the setpoint adjustment value would be approximately 0 3 3 On the i C screen touch i C APPS i C Settings Enter the Settings password then touch Temperature Setpoints NOTE The Settings screen may be password protected A valid four digit password must be entered to view settings If viewing settings for the first time enter the factory default password of 1234 4 Touch plus or mi
18. in the bottle immersing them at least 2 inches 50 mm in the solution 360127 1 A Helmer 54 Refrigerator Service Manual 10 2 2 Calibrating the compressor and evaporator probe To ensure the refrigerator maintains the correct temperature the compressor and evaporator temperature probes have been calibrated at the factory Changing the calibration settings for the compressor or evaporator probe is not typically necessary and should not be performed unless directed to do so by Helmer Technical Service 10 2 3 Restoring factory defaults The settings listed below may be simultaneously changed to the factory default value This setting Is restored to this value Home Screen Application Icons i C APPS Temperature Alarm Test Temperature Graph Information Logs Download Display Brightness Password for Settings screen Sounds Alarm Volume Alarm Tone 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 Minute Not affected maintained in real time clock Hour AM PM Language Temperature Units Password Protection for Settings screen Temperature Graph Screensaver Access Control as Home Page Light Off Delay on off Light Off Delay High Temperature Alarm Setpoint High Temperature Alarm Time Delay Low Temperature Alarm Setpoint Low Temperature Alarm Time Dela
19. is seven 7 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 WITHOUT LIMITATION ANY WARRANTY OF MERCHANTABILITY OR FITNESS FO
20. or Contact Helmer Technical Service internal connections are loose The temperature gt Confirm the temperature monitor controller monitor controller board board is operating correctly Replace the board is faulty if necessary The alarm setpoint was Check the current setpoints for the alarms changed Change the setpoints if necessary A component is faulty or gt Contact Helmer Technical Service internal connections are loose 360127 1 A Helmer 32 Refrigerator Service Manual Possible Cause The High Temperature The connections for Test the probe connections Secure the alarm activates when chamber temperature connections if necessary the door is opened then probe are loose clears shortly after the The chamber temperature Test the probe Replace the probe if necessary door is closed probe is faulty The unit cooler fan gt Test the door switch and unit cooler fan continues to run while connections Secure the connections if the door is open necessary Replace the door switch or fan motor if necessary The probe bottles are Check level of product simulation solution in empty the bottles Refill bottles if needed The high temperature Check the setpoint Change the setpoint if alarm setpoint is set too necessary low A component is faulty or Contact Helmer Technical Service internal connections are loose The refrigerator is The outlet connection is Verify
21. s inability to maintain the temperature setpoint This drain port fits into a piece of vinyl tubing that directs the condensate into the J shaped drain line on the rear of the refrigerator Before removing the unit cooler cover first remove the vinyl tubing The following is reguired to remove and reinstall the unit cooler cover 5 16 socket wrench Tool to push putty away from the tubing Unit cooler features Left Unit cooler A with drain port B Right drain tubing C 360127 1 A i Series Models Maintenance 25 To remove the unit cooler cover 1 In the lower front control panel switch the ON OFF AC switch OFF Disconnect the refrigerator from outlet power as well Switch the battery backup switch OFF Peel the putty back to expose the vinyl tube inside the chamber The putty may be hardened from exposure to cold temperature allow enough time for the putty to soften Remove the vinyl tube from the unit cooler drain port B by pulling it downward to separate it from the unit cooler Twisting the tube somewhat makes it easier to pull The drain port on the unit cooler should now be visible Push the excess slack in the tubing out through the hole in the rear of the chamber Remove the top drawer basket or shelf from the chamber While holding the unit cooler cover in place to prevent it from dropping use the socket wrench to remove the four screws securing the cover to the unit cooler Gently lower the
22. temperature readings The upper chamber gt Confirm the probe is reading correctly temperature probe is faulty Calibrate the probe if necessary Confirm the probe is providing resistance in the range of 98 Q to 110 Q Replace the probe if necessary The temperature monitor Confirm the temperature monitor controller controller board is faulty board is operating correctly Replace the board if necessary The High Alarm setpoint gt Confirm the alarm setpoints are set at the is set significantly higher appropriate values than the default value or Test the temperature alarms manually the Low Alarm setpoint is set significantly lower than the default value Helmer 360127 1 A i Series Models Troubleshooting 35 7 5 Troubleshooting condensation problems Possible Cause There is excessive water in the water evaporation tray There is excessive water in the chamber There is excessive humidity on the doors Water leaks from the bottom of the refrigerator The heater in the gt Confirm the heater is hot and is drawing the evaporation tray is appropriate current faulty For 115 V refrigerators the current should be approximately 0 43 A to 0 55 A B For 230 V refrigerators the current should be approximately 0 21 A to 0 35 A Humid air is entering the Confirm the refrigerator is level and the chamber doors are aligned closing tightly and sealing correctly Correct issues as neces
23. the slides The drawer or basket is Confirm both slides for the drawer or basket misaligned or not level are mounted at the same height A door does not open There is debris in the gt Confirm the hinges are free of debris Clean easily hinges the hinges if necessary The door hinges are not Using a general purpose grease lubricate the lubricated pivots in the hinges A hinge cam is faulty gt Confirm the hinge cam is not damaged Replace the cam if necessary The monitor display is The screen brightness is Change the screen brightness hard to read set too low The alarm monitor is not Digital electronics are P Reset the monitoring system responding locked because of an interruption in power The chamber The temperature alarm Check the current setpoints for the temperature temperature meets an setpoint was changed alarms Change the setpoints if necessary alarm condition but the appropriate temperature alarm is not active The chamber The probe bottles are Check the level of product simulation solution temperature displayed is empty or the amount of in the bottles Refill the bottles if necessary higher or lower than the solution is too low actual temperature The monitor is not Confirm the upper temperature probe is reading calibrated correctly Calibrate the probe if necessary Digital electronics are gt Reset the monitoring system locked because of an interruption in power A co
24. then switch the AC ON OFF switch ON Cancel the high temperature alarm by touching the Mute button 360127 1 A Helmer 28 Refrigerator Service Manual 8 Once the refrigerator has reached operating temperature enable the high temperature alarm by touching the Mute button to cancel the alarm UN CAUTION Allow the refrigerator temperature to stabilize at the setpoint before moving 6 7 Helmer contents back into the refrigerator Supplies Refrigerant non CFC R 134A Chart paper 220366 52 sheets Glycerin solution 400922 1 LED lamp 400954 1 1 3 W NOTE Number of LEDs will vary depending on refrigerator model Monitoring system backup battery One 12 V 7 Ah rechargeable sealed lead acid battery 120628 Chart recorder backup battery One 9 V non rechargeable alkaline or equivalent 120218 360127 1 A i Series Models Troubleshooting 29 7 Troubleshooting N CAUTION Review all safety instructions prior to completing troubleshooting recommendations See chapter 2 Safety 7 1 Troubleshooting general operation problems Possible Cause A drawer or basket does A drawer slide is faulty Confirm the slide is operating correctly not slide easily Replace if necessary There is debris in the gt Pull the drawer or basket out and confirm the drawer slides slides are free of debris Clean the slides if necessary The drawer slides are Using a lightweight oil lubricate the bearings not lubricated in
25. value for refrigerator model HB blood bank is factory preset at 2 0 Laboratory pharmacy models The hysteresis value for refrigerator model 111 laboratory pharmacy is factory preset at 0 8 This value represents each side of the refrigerator setpoint value for a combined total band range value of approximately 1 5 Likewise the hysteresis value for all other Horizon Series laboratory pharmacy refrigerator models HLR and HPR models referenced in this manual is factory preset at 2 0 These values should not be changed High alarm setpoint The High Alarm setpoint specifies the activation point of the high temperature alarm The default setting is 5 5 The setpoint may be changed to a value from 40 0 to 40 0 Low alarm setpoint The Low Temp alarm setpoint specifies the activation point of the Low Temperature Alarm The default setting is 1 5 9C for blood bank models and 2 0 9C for pharmacy and laboratory models Control temperature offset value The Control Offset is used to control chamber temperature This value is factory preset and should not be changed Monitor temperature offset value If the temperature displayed on the monitor does not match the actual chamber temperature the setting for the Monitor Offset can be changed so they match The monitor offset can be changed to a value from 10 0 C to 10 0 C 360127 1 A Helmer 72 Refrigerator Service Manual 15 AN 15 1 Maintenan
26. 11 model 120536 120 and 125 models 120594 245 models 120595 230 V 111 model 120553 120 and 125 models 120615 245 models 120616 Unit cooler fan motor 115 V models 120540 230 V models 120560 Temperature control probe 800028 1 Helmer 360127 1 A 17 4 3 Storage parts Label Not Half shelf includes hardware 120 125 245 and 256 models 400413 1 Full shelf includes hardware Roll out basket assembly includes basket 2 slides and hardware Drawer assembly includes drawer 2 slides and hardware Slide kit includes 2 slides Horizon Series Models Parts 93 Replacement part numbers 111 model 4004 14 3 120 and 245 models 400414 1 125 and 256 models 400414 2 111 model 400751 1 120 and 245 models 400415 1 125 and 256 models 400415 2 111 model 400752 2 120 and 245 models 400370 3 125 and 256 models 400370 4 111 model 400753 1 120 and 245 models 400714 1 125 and 256 models 400714 2 Not Bridge shelf 18 depth 400845 1 shown 24 depth 400845 2 360127 1 A Helmer 94 Refrigerator Service Manual 17 4 4 Door and hinge parts TR Door and hinge features HLR120 model shown Label Description Replacement part Label on numbers schematic 220540 Upper hinge bracket Left hinge 400960 2 Right hinge 400960 1 Upper hinge bearing 220541 G Lower hinge bracket Right hinge 400377 1 Left hinge 400377 2 Door gasket 111 model 321082 1 120 1
27. 19 4 3 CAUTION Testing the power failure alarm reguires that users disconnect power from the refrigerator which may affect the chamber temperature Before testing the alarm take precautions to protect items in the refrigerator from extended exposure to adverse temperatures NOTE During a power failure the backup battery should continue to provide power to the monitoring system Test the power failure alarm to ensure it activates when AC power is lost 1 Disconnect the refrigerator from power by switching the AC ON OFF switch on the electrical box to OFF The power failure alarm should activate causing the audible alarm to sound and FFF power off to appear on the display Power the refrigerator on by switching the AC ON OFF switch ON The power failure alarm should clear causing F GFF to clear from the display Testing the door open alarm CAUTION Testing the door open alarm reguires the refrigerator door be left open for an extended period of time which may affect the chamber temperature Before testing the alarm take precautions to protect items in the refrigerator from extended exposure to adverse temperatures Test the door open alarm to ensure it activates at the appropriate time The default timer value is set at 3 minutes and cannot be changed 1 Open the refrigerator door and note the time When the timer value is reached the door open alarm should activate causing the audible alarm to sound and t
28. 25 245 and 456 models 320726 1 Helmer 360127 1 A 18 Schematics 18 1 Horizon Series Models Schematics 95 N Door Lock 12VAC G CONDENSATE EVAPORATOR CHART RECORDER XFMR CC aint CD CHART RECORDER 23 BATTERY BACKUP Solenoid HN Option 12V DC POWER SUPPLY Option EM HE AUDIBLE ALARM 12VACI E HO TEMP CONTROL XFMR HD ALARM KEY SWITCH 2 HA o COM EXTERIOR CONTROL MONITOR BOARD g NC ALARM HB TEMPERATURE No CONTACTS CONTROL PROBE CONTROL 1 RTD x f MONITOR o U RTD CHAMBER S PROBE E lt e HM Door Access Keypad Option HH MONITOR ooo BATTERY ooo BACKUP ooo ooo ME ee CB CHART RECORDER PROBE HB HLR and HPR models 120 125 245 and 256 configurations P INTERIOR LIGHT ielstejste un I Double Door Only Option HG LIGHT SWITCH HLR HPR MODELS gt 2 HB MODELS HF DEFROST TIMER 3 4 1 J COMPRESSOR CONDENSING UNIT FAN MOTOR Pass Thru damer sa
29. 3 LCD i i i qa USB Po od er t cis eco Back Light I 119 10004 i g Pouer To LCD us E I 5 i LCD Touch Screen J 9 PURIS 1 ic iF Power Cable Lo HELMER INC 400956 1 Ethernet Port a USB Data Cable IB o o Bow a ne Bo Ly NIL Pas 7 Bater HV 5232 ESO Option 8 o ol tt n Tus af iE in o 3 USB Port Ms
30. 360127 1 A Helmer 24 6 5 Helmer Refrigerator Service Manual AN AN Clean and refill probe bottles NOTE A replacement kit that includes a probe bottle and glycerin is also available from Helmer CAUTION Protect stored items from extended exposure to adverse temperatures Obtain Fresh water bleach solution not provided Solution is a 10 bleach solution 1 part bleach to 9 parts water where bleach means a 5 solution of commercial sodium hypochlorite NaOCI Otherwise use an equivalent oxidizing cleaner disinfectant approved for use by your organization Approximately 4 oz 120 ml of product simulation solution per bottle Solution is a 10 1 ratio of water to glycerin CAUTION Temperature probes are fragile Handle with care Remove all probes from bottle Remove bottle from bracket and clean with water bleach solution Fill with approximately 4 oz 120 ml of product simulation solution Cap tightly to minimize evaporation 0 Place bottle in bracket and replace probes immersing at least 2 inches 50 mm solution i C touchscreen Clean the touchscreen with a soft dry cotton cloth Removing and installing the unit cooler cover The unit cooler cover has a port to drain condensation generated in the cooling process If the unit cooler cover is not removed correctly the drain port may be damaged Improper drainage may result in excessive icing in the refrigerator and the refrigerator
31. 4 depth 400845 2 Not Pole mast for chromatography ILR 400478 1 shown model with chromatography option 360127 1 A Helmer 46 Refrigerator Service Manual 8 4 4 Door and hinge parts Replacement part Label on numbers schematic 220540 320684 1 Left hinge 400960 2 Right hinge 400960 1 111 model 321082 1 120 125 245 and 456 models 320726 1 320742 1 320763 1 Right hinge 400377 1 Left hinge 400377 2 Helmer 360127 1 A i Series Models Parts 47 Unit cooler assembly 115 V 111 model 120536 120 and 125 models 120594 245 models 120595 230 V 111 model 120553 120 and 125 models 120615 245 models 120616 Unit cooler fan motor 115 V models 120540 E 230 V models 120560 Temperature control probe 800028 1 360127 1 A Helmer 48 Refrigerator Service Manual 8 4 3 Storage parts Replacement part numbers F3 Half shelf includes hardware 120 125 245 and 256 models 400413 1 shown Full shelf includes hardware 111 model 400414 3 120 and 245 models 400414 1 125 and 256 models 400414 2 Roll out basket assembly includes 111 model 400751 1 basket 2 slides and hardware 120 and 245 models 400415 1 125 and 256 models 400415 2 Drawer assembly includes drawer 2 111 model 400752 2 slides and hardware 120 and 245 models 400370 3 125 and 256 models 400370 4 Slide kit includes 2 slides 111 model 400753 1 120 and 245 models 400714 1 125 and 256 models 400714 2 N
32. 4 7 Optional adapter kits for medication dispensing locks Call Helmer or your distributor for specific system information Helmer 360127 1 A i Series Models Temerature Controller Programs 17 Temperature Controller Programs Control Senser Probe 4 0 C Control Serene t saper stor Dett Lower Temperature Lamzrenser Prose 4 Tergerature Left Temperature Controller Programs screen Right Temperature Calibration screen H H Settings The 1 C temperature monitor and controller is programmed at the factory with the settings that are listed in this chapter To change the value for a setting first enter the Settings mode for that setting The method for accessing the Settings mode for each setting varies NOTE The Settings screen may be password protected A valid four digit password must be entered to view settings If viewing settings for the first time enter the factory default password of 1234 Hysteresis The hysteresis band range value for i Series upright refrigerator models is factory preset according to the model and cabinet size This value represents each side of the refrigerator setpoint value for a combined total band range This value should not be changed AN CAUTION Changing temperature settings affects the operation of the refrigerator Do not change settings unless instructed to do so in product documentation or by a Helmer Technical Services representative 3
33. 5 10 4 Upgrading the system 59 10 5 Calibrating the touchscreen isses eds Saka DER x KRG DAGGER EUR fig Ge eee 59 10 6 Viewing manufacturer and product 59 11 Warranty MER TET OTT o OT TUTTI 60 11 1 Rel i Product Warranty USA and Canada FF FF en 60 11 2 Outside of USA and Canada sesion Rue ED RR DO OUD PARE RE AER ROS 61 12 References and 62 12 1 Alarm reference sos d eee hend eR CA YG EORR XR dade dae Rc 62 12 2 Energy conservation and regulatory 62 Section Ill Horizon Series 63 13 Product Configuration xum hoa Rm RUN RR RW RR eee RR 65 13 1 Installing batteries for backup 65 13 2 Refrigerator setpoint configuration LIF FY eee 66 13 3 External monitoring devices ie d Rh RW Rae kb ERR hk and 67 13 4 Moving drawers shelves and baskets YY FF FY uu 68 13 5 Leveling the refrigefator ois eee pea Ron Chae RR ee ieee Y CR Re Rd 69 13 6 Door characteristics ed esser LADD YOUR Paes 70 13 7 Optional adapter kits for medication dispensing
34. 6 Removing and replacing the Access Control cartridge 26 6 7 EL UT 28 7 Troubleshooting ua doe 3909908 ere RR RR E 29 7 1 Troubleshooting general operation 29 7 2 Troubleshooting chamber temperature problems 30 7 3 Troubleshooting alarm activation 31 7 4 Troubleshooting testing problems YYFF e mn 34 7 5 Troubleshooting condensation 35 360127 1 A Helmer ii Refrigerator Service Manual DU PARIS ee adt ROM 36 8 1 FFODU d Ies 36 8 2 ee oe L ADN OD 39 8 3 R NNE 40 8 4 INLCNOR sa cera ddos a ia dds 4 d ds ekte delse baka des eddik 42 9 SCHCMAUCS ERR E SR Dead E eI RE E M cd 50 9 1 iB iLR and iPR models 111 120 125 245 and 256 50 SCUINGS E 52 10 1 Navigating the Home screen iiis lue kl eevee Selek x ew X da ME XR OR Y REOR D Eg P 52 10 2 Viewing and changing settings lise HH ur 53 10 3 Testing alarins ec hace ee ddo ks ke tea Re EGG NR AC RR Sih ae Rae 5
35. 60127 1 A Helmer 18 Refrigerator Service Manual 5 1 Temperature setpoint settings NOTE When there is no interaction for two minutes the Temperature Setpoint screen closes and returns to the home screen N CAUTION The hysteresis setpoint is factory preset and should not be changed unless directed by Helmer Technical Service 1 Touchi C APPS i C Settings Enter the Settings password then touch Temperature Setpoints Touch plus or minus on the Temperature Setpoint spin box gt The setpoint is the temperature at which the refrigerator operates 3 Touch plus or minus on the Hysteresis Setpoint spin box gt The hysteresis setpoint is the allowable fluctuation in temperature relative to the temperature setpoint A lower hysteresis setpoint will limit the temperature variation to a smaller range a higher setpoint will allow the temperature to vary across a larger range 4 Touch plus or minus on the Delay on Start Up spin box The refrigerator compressor startup is delayed to allow the 1 C monitoring and control system to start first 5 Touch plus or minus on the Duty Cycle of Control Relay during Probe Error spin box The duty cycle is the percentage of time the compressor will run in the event of a temperature control probe failure Setting O Setting description Initial factory setting Temperature Setpoint Temperature at which the 4 C refrigerator operates Hysteresis Setpoint Allowable te
36. C These terminals are dry contacts and do not supply voltage The interface circuit is either normally open or normally closed depending on which terminals are used The reguirements for your alarm system determine which wires must connect to which terminals To connect to the remote alarm interface 1 Switch the AC ON OFF switch OFF 2 Disconnect the backup power to the monitoring system by removing the battery 3 On the electrical box locate the remote alarm interface 4 Connect the remote alarm wires to the appropriate terminals according to the requirements for your alarm system Using cable tie secure the wires together for stability as needed o Reconnect the backup power to the monitoring system by reinstalling the battery 7 Switch the AC ON OFF switch ON 360127 1 A Helmer 68 Refrigerator Service Manual Moving drawers shelves and baskets Not all containers are available for all models 13 4 Helmer Storage features availability of shelves drawers and baskets varies by model CAUTION Before moving drawers shelves baskets slides or brackets protect stored items from extended exposure to adverse temperatures Before moving drawers be sure they are completely empty for safe lifting To remove a drawer or basket 1 Pull the drawer or basket all the way out until it stops 2 On the right rail locate the release tab and press it downward 3 While holding the right release tab downw
37. DENSATE EVAPORATOR B Option TI og ON CIRCUIT TERMINAL TERMINAL o o4 BREAKER STRIP STRIP GROUND TERMINAL 1 8 2 3 4 5 6 7 e S 9 19 292 FF Horizon Series Refrigerator iio ii POWER CORD p EF 88 29a gag RR HB HLR and HPR sie ERE H g 5 g MAIN POWER 120 125 245 and 256 models E MAN PEOWER E 230V 50 Hz 230V 60 Hz 360127 1 A Helmer 96 18 2 Helmer Refrigerator Service Manual HLR and HPR models 111 configuration N Door Lock Solenoid s Option HN 12V DC POWER SUPPLY Option ieijefjeijeijoi P INTERIOR LIGHT HE AUDIBLE 0 o ALARM Lighting Power Supply HG LIGHT SWITCH 12VAC t HO TEMP CONTROL XFMR LARM KEY HD CH g 230V 115V HA o CONTROLIMONITOR BOARD ERR S5 4 HB JTEMPERATURE No CONTACTS J CONTROL HF 1 OFF Ti PROBE CONTROL DEFROST TIMER 1 RTD HLRIHPR OFF 6 l ET BYPASS SWITCH DEFROST c MONITOR 8 RO 1 RTD HC CHAMBER a PROBE E aL J COMPRESSOR HM 8 Door Acc
38. EMPECHER LE RENVERSEMENT Caution unlock all casters Earth ground terminal Protective earth ground terminal Avoiding injury Review safety instructions before installing using or maintaining the equipment Before performing procedures review any specific safety instructions Do not open multiple loaded drawers at the same time Before moving unit ensure casters are free of debris Do not move a unit whose load exceeds 900 Ibs 408 kg single door units or 1350 Ibs 612 kg double door units Avoid removing electrical service panels and access panels unless so instructed Use supplied power cords only Notify appropriate safety personnel when handling or disposing of materials that are infectious toxic vvv pathological radioactive or otherwise biologically or environmentally harmful CAUTION Decontaminate parts prior to sending for service or repair Items not decontaminated appropriately will not be accepted Documentation stating contents are not contaminated and are safe to handle must accompany returns Contact Helmer or your distributor for decontamination instructions and a Return Authorization Number 360127 1 A 3 2 3 2 1 General Information Configuration 5 Configuration Finding model and input power information Service information varies depending on the model and input power requirements This information appears on the product specification label located on the rear of the refri
39. INCLUDING WITHOUT LIMITATION ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE NO WARRANTIES OF MERCHANTABILITY OR FITNESS FOR PARTICULAR PURPOSE SHALL APPLY 360127 1 A Helmer 104 Refrigerator Service Manual 20 2 Helmer 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 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 360127 1 A 21 21 1 21 2 Horizon Series Models References and Compliance 105 References and Compliance Alarm reference If an
40. 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 1B125 HB125 iLR125 HLR125 iPR125 HPR125 This manual covers all upright refrigerators which may be identified singly by their size or by their respective Series Model Group Blood Bank 1 111 1B120 iB125 1B245 iB256 HB111 HB120 HB125 HB245 HB256 iLR111 iLR120 iLR125 iLR245 iLR256 HLR111 HLR120 HLR125 HLR245 HLR256 iPR111 iPR120 iPR125 iPR245 iPR256 HPR111 HPR120 HPR125 HPR245 HPR256 Copyright and trademark information Helmer i Series i C rm Horizon Series and Rel i are registered trademarks or trademarks of Helmer Inc in the United States of America Copyright O 2012 Helmer Inc All other trademarks and registered trademarks are the property of their respective owners 360127 1 A Helmer 4 Refrigerator Service Manual 2 1 2 2 Helmer Safety This chapter describes general safety information for servicing the refrigerator The Refrigerator Operation Manual includes additional safety information for operating the refrigerator Your organization may provide additional safety information Labels Caution risk of danger Caution hot surface Caution shock hazard UNLOCK ALL CASTERS BEFORE PUSHING TO PREVENT OVERTURNING OUVREZ TOUTES LES ROULETTES AVANT LE DEPLACEMENT POUR
41. Possible Cause The compressor runs The refrigerator setpoint gt Confirm the setpoint is set within the operating continuously is set too low range and change it if necessary The temperature Confirm the probe is providing accurate control probe is out of temperature readings calibration The temperature control Confirm the probe is providing resistance in probe is faulty the range of 98 Q to 110 Q Replace the probe if necessary The temperature monitor Confirm the temperature monitor controller controller board is faulty board is operating correctly Replace the board if necessary The compressor starting Confirm the relay is operating correctly relay is faulty Replace the relay if necessary The defrost timer is Replace the defrost timer faulty 16 3 Troubleshooting alarm activation problems Possible Cause The refrigerator is in The alarm system is Confirm the monitor controller board and line an alarm condition but faulty connections are functioning correctly Replace alarms are not audible the board if necessary The temperature monitor Confirm the temperature monitor controller controller board is faulty board is operating correctly Replace the board if necessary The alarm buzzer is Replace the alarm buzzer faulty Audible alarms have Verify audible alarms are not muted Verify the been muted Alarm Disable key switch is not turned OFF A component is faul
42. R A PARTICULAR PURPOSE NO WARRANTIES OF MERCHANTABILITY OR FITNESS FOR PARTICULAR PURPOSE SHALL APPLY 360127 1 A i Series Models Warranty 61 THE LIABILITY IF ANY OF HELMER FOR DIRECT DAMAGES WHETHER ARISING FROM 11 2 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 SERVICES IS LIMITED TO AN AMOUNT NOT TO EXCEED THE PRICE OF THE PARTICULAR GOODS OR SERVICES GIVING RISE TO THE LIABILITY INNO 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 360127 1 A Helmer 62 Refrigerator Service Manual 12 12 1 12 2 Helmer References and Compliance Alarm reference If an alarm condition is met an alarm activates Some alarms are visual only while others are visual a
43. When installing a replacement battery for the monitoring system use only a battery which meets the specifications outlined in chapter 6 7 Supplies The battery holder is located on the top of the refrigerator behind the front bezel For 111 models a service cover covers the components and an access panel provides access to the monitoring system backup battery Monitoring system backup battery Models J Monitoring system Battery requirements IB iLR and iPR Combined alarm monitoring and One rechargeable 12 V lead acid control system sealed battery The rechargeable backup battery is switched off for shipping Switch the battery ON to provide the monitoring system with backup power in the event of a main power failure 360127 1 A Helmer 12 Refrigerator Service Manual 4 2 4 2 1 Helmer Refrigerator setpoint configuration The temperature controller adjusts chamber temperature around the refrigerator setpoint The controller activates the compressor when the chamber probe registers temperature above the setpoint The controller also senses unit cooler temperature through a probe in the cooler The temperature in the unit cooler typically varies from the temperature in the chamber so an offset value is used in the control system The unit cooler temperature combined with the offset value establishes the refrigerator setpoint NOTE The probes in the bottles are connected to the monitoring system and sense cham
44. a set of shelf brackets 1 Using a screwdriver remove the retainers for the front brackets 2 the front brackets upward to disengage them from the standards 3 Remove the front brackets from the standards To install a set of shelf brackets 1 Insert the front brackets into the appropriate height in the standards 2 the front brackets downward to engage them in the standards 3 Using a screwdriver install the retainers for the front brackets Drawer weight NOTE Maximum drawer load is 100 Ibs 46 kg Leveling the refrigerator After the refrigerator has been placed the leveling feet must be adjusted in order to provide proper drainage of condensation from the evaporator coil inside the unit cooler NOTE Helmer recommends the use of leveling feet Level the refrigerator front to back 1 Use a wrench to adjust the leveling feet 2 A bubble level may be used to ensure the refrigerator is level 3 When the refrigerator is properly leveled from front to back the bottom of the unit cooler will slope downward from front to back toward the condensate drain line located in the back of the cabinet Level the refrigerator side to side 1 Use a wrench to adjust the leveling feet 2 A bubble level may be used to ensure the refrigerator is level 3 When the refrigerator is properly leveled from side to side the bottom of the unit cooler will be horizontal parallel to the floor 360127 1 A Helmer 70 Refrigerator Servi
45. abel Description Replacement part numbers Label on schematic Temperature chart recorder standard on 120 V models 800026 1 blood bank models optional on laboratory 230 V models 800026 2 and pharmacy models all models except 111 Not Temperature chart recorder 111 model 120 V models 800025 1 CA shown 230 V models 800025 2 Not Chart recorder backup battery 120218 CC shown Not Chart paper 52 sheets 220366 shown Horizon Series monitoring and control See subsequent section s for part system numbers Bezel all models except 111 With chart recorder 800072 1 Without chart recorder 80007 1 1 Bezel 111 model With chart recorder 800056 1 Without chart recorder 800055 1 D Caster swivel with brake 220467 360127 1 A Helmer 86 Refrigerator Service Manual 17 1 1 Access Control option Optional Access Control door lock and keypad Label Description Replacement part number Label on schematic Access Control cartridge cover Cn _ B Access Control door catch doorsid Not Access Control cartridge assembly includes Left hinged door 800020 1 N shown manual override key Right hinged door 800020 2 Without chart recorder 800073 1 peice 7 NN Without chart recorder 800057 1 D Access control keypad _ 8000071 EM 17 1 2 Control system display parts Left Display with touchpad Right Rear view of display showing monitor control board Label Descripti
46. additional information on changing the chart paper see the Temperature Chart Recorder Operation and Service Manual on CD Helmer 360127 1 A Section ll i Series Models 9 Section ll i Series Models 360127 1 A Helmer 10 Refrigerator Service Manual This page left blank intentionally Helmer 360127 1 A i Series Models Product Configuration 11 Product Configuration Installing batteries for backup power The monitoring systems and chart recorder each have a battery backup system enabling a period of continuous operation if power is lost NOTE The monitoring systems will start on battery power alone If the refrigerator was previously not connected to AC power and the backup battery is connected or 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 is available for up to 20 hours the Low Battery alarm will activate after approximately 18 hours of battery use Backup power for the temperature chart recorder is available for up to 14 hours NOTE If AC power is lost the monitoring system will automatically disable some features to prolong backup battery power Data collection functions will continue until backup battery power is depleted CAUTION gt Before installing or replacing batteries disconnect power to the refrigerator
47. age level B Replace the backup battery for the monitoring activating sporadically on the rechargeable system backup battery for the monitoring system is low The condenser alarm is The compressor is Check the condenser grill Clean it if active overheating due to lack necessary of airflow Confirm the refrigerator is placed appropriately The condenser alarm gt Confirm the alarm setpoint is set at the setpoint is too low appropriate value The refrigerant level is amp Check refrigeration lines for leaks and repair too low if necessary Check the refrigerant level Recharge refrigerant if necessary The condenser probe 15 Confirm the probe is providing accurate out of calibration temperature readings The condenser probe is Confirm the probe is reading correctly not calibrated Calibrate the probe if necessary Confirm the probe is providing resistance in the range of 98 O to 110 O Replace the probe if necessary A component is faulty or Contact Helmer Technical Service internal connections are loose 360127 1 A Helmer 34 Refrigerator Service Manual 7 4 Troubleshooting testing problems Possible Cause The automatic The connections for the Test the probe connections Secure the temperature tests do not upper chamber temperature connections if necessary work probe are loose The upper chamber probe Confirm the probe is providing accurate is out of calibration
48. alarm condition is met an alarm activates Some alarms are visual only while others are visual and audible Some alarms are sent through the remote alarm interface The table below indicates if an alarm for a particular model is audible A visual V or sent through the remote alarm interface R Compressor Tempera Low Battery o Probe Failure No Cellular Service 4 Energy conservation and regulatory compliance This device complies with the requirements of directive 93 42 EEC concerning Medical Devices as amended by 2007 47 EC This product is certified to applicable UL and CSA standards by a NRTL Insulation Type 2 0086 Pollution Degree 2 for use in USA and Canada only Sound level is less than 70 dB A 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 the labeling and disposal of certain products in affected countries ERES When disposing of this product in countries affected by this directive gt Do not dispose of this product as unsorted municipal waste Collect this product separately Use the collection and return systems available locally For more information on the return recovery or recycling of this product contact your local distributor END OF MANUAL 360127 1 A Helmer HELMER INC 14395 Bergen Boulevard
49. alue can be changed to a value from 100 0 to 50 0 Obtain gt An independent thermometer calibrated and traceable per national standards This is used to secure the probe to the thermometer 1 Measure the temperature of the upper probe bottle contents a Remove all probes and the cap from the bottle b Tape the independent thermometer to the temperature probe and replace them in the bottle so their ends are immersed at least 2 inches 50 mm in the solution Allow the chamber temperature to stabilize for approximately 10 minutes d Obtain the reading from the independent thermometer 2 Enter and save the reading from the independent thermometer into the monitoring and control system a From the Home screen touch i C APPS Settings Temperature Calibration The Temperature Calibration screen appears b Touch plus or minus on the Upper Temperature spin box to increase or decrease the value to match the measured value C The message New Setting Saved appears next to the spin box indicating that the new temperature calibration setting is saved NOTE Shortly after saving the new temperature value the displayed temperature may change so it no longer matches the new value This is normal 3 Replace the probes in the probe bottle a Remove the thermometer and probe from the bottle and remove the tape from them b Screw the cap on the bottle ensuring it fits tightly to minimize evaporation C Place the probes
50. amber temperature connections if necessary temperature is set probe are loose correctly The temperature probe Check the continuity of the probe wiring and wiring is an open circuit connections Secure the connections or replace the probe if necessary The chamber The compressor starting Confirm the relay is operating correctly temperature does relay is faulty Replace the relay if necessary not stabilize at the The temperature monitor Confirm the temperature monitor controller refrigerator setpoint controller board is faulty board is operating correctly Replace the board if necessary The condensing unit fan Check the condensing unit fan connections is not running Replace the fan motor if necessary The unit cooler fan is Check the voltage to the fan when door switch not running is activated Replace the fan motor or door switch if necessary The compressor motor Replace the compressor has seized The temperature Confirm the probe is providing accurate control probe is out of temperature readings calibration The temperature control Confirm the probe is providing resistance in probe is faulty the range of 98 Q to 110 Q Replace the probe if necessary The refrigerant level is Check the refrigeration lines for leaks and too low repair them if necessary Check the refrigerant level Recharge the refrigerant if necessary 360127 1 A Helmer 82 Refrigerator Service Manual
51. aner CAUTION The condensate evaporator and the 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 door gaskets with a soft cloth and mild soap and water solution Clean and refill probe bottles NOTE A replacement kit that includes a probe bottle and glycerin is also available from Helmer CAUTION Removing the temperature probe from the bottle may cause the chamber temperature to fluctuate Protect stored items from extended exposure to adverse temperatures Obtain Fresh water bleach solution not provided Solution is a 1096 bleach solution 1 part bleach to 9 parts water where bleach means a 5 solution of commercial sodium hypochlorite NaOCI Otherwise use an equivalent oxidizing cleaner disinfectant approved for use by your organization Approximately 4 oz 120 ml of product simulation solution per bottle Solution is a 10 1 ratio of water to glycerin CAUTION Temperature probes are fragile Handle with care Helmer 360127 1 15 5 Horizon Series Models Maintenance 75 Remove all probes from bottle Remove bottle from bracket and clean with water bleach solution Fill with approximately 4 oz 120 ml of product simulation solution Cap tightly to minimize evaporation Oc Place bottle in bracket and replace probes immersing a
52. ard locate the release tab on the left rail and press it upward 4 Pull the drawer or basket free of the slides To install a drawer or basket 1 Align the end guides on the drawer or basket with the slides 2 Gently push the drawer or basket into the chamber until it stops 3 To ensure proper installation pull drawer or basket back out until it stops then push it back in again To remove a shelf 1 With one hand lift the front edge of the shelf from the front brackets 2 With the other hand reach under the shelf and gently bump the rear edge of the shelf upward to disengage it from the rear brackets To install a shelf 1 Insert the shelf into the chamber placing it on the brackets 2 Gently bump the rear edge of the shelf downward to engage it with the rear brackets 3 Test installation by pulling the shelf forward gently The shelf should not disengage from rear brackets 360127 1 A 13 4 1 13 4 2 13 5 Horizon Series Models Product Configuration 69 Moving slides and brackets To remove a set of slides 1 Using a screwdriver remove the retainers for the front brackets 2 Tap the front brackets upward to disengage them from the standard 3 Remove the slide from the standards To install a set of slides 1 Insert the slides into the appropriate height in the standard 2 Tap the front brackets downward to engage them in the standards 3 Using a screwdriver install the retainers for the front brackets To remove
53. ate Calibrating 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 1 C touchscreen or display circuit board is replaced after the refrigerator 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 Perform the following procedure to calibrate the touchscreen 1 Insert the flash memory device with the calibration program into the USB port on the i C bezel The flash memory device can be inserted while any screen displayed on the 1 C3 2 Wait approximately 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 1 C will reboot and display the language screen NOTE If the screen was unintentionally touched outside of any of the crosshair icons during calibration the screen may be recalibrated using the process outlined above Viewing manufacturer and product information View version information for contacting Helmer 1 From the Home screen touch i C APPS Con
54. atically be reduced The monitoring system will automatically disable some features to extend battery life Regularly test whether the backup battery is functioning and replace it if the test fails or if the battery has been in use for two years Test whether the backup battery is functioning 1 Disconnect the refrigerator from AC power by disconnecting the AC power cord from the wall outlet or by switching the AC ON OFF switch OFF The display should continue to display information with the screen backlight at reduced brightness The battery icon will appear in the header bar of the screen If the display is blank replace the battery 2 Re connect the refrigerator to AC power CAUTION When installing a replacement battery for the monitoring system use only a battery which meets the specifications outlined in chapter 6 7 Supplies Replacing LED lamps Depending on the refrigerator configuration the refrigerator is shipped with one or two LED lamp strips installed Replacement LEDs are available from Helmer CAUTION Follow all chemical handling and disposal requirements and procedures specified by your organization See chapter 2 Safety Replacing lamps requires power disconnection Protect items in the refrigerator from extended exposure to adverse temperatures Disconnect the power Using a screwdriver detach the lamp strip from the chamber Unsnap the defective LED from the strip and disconnect the wires Snap new LED
55. ature detected by the upper chamber probe is less than or equal to this value the alarm activates The default setpoint for blood bank models is 1 5 9C The default setpoint for laboratory pharmacy models is 2 0 The value can be changed to a value from 40 0 to 25 0 To change a temperature alarm setpoint 1 Press and hold both the Up Arrow and Down Arrow buttons for three seconds The MONITOR lamp flashes to indicate program mode enable 2 Press and release the SEL button until the desired setting appears If this lamp is flashing Then this setting is selected HIGH TEMP and MONITOR High Temp alarm setpoint LOW TEMP and MONITOR Low Temp alarm setpoint MONITOR only Monitor Offset CONTROL only Control Offset CONTROL only Control Hysteresis 3 While pressing and holding the SET button press and release the Up Arrow or Down Arrow button to change the value for the parameter 4 When changes are complete release the SET button 5 Optional To change the value for another setting repeat steps 2 4 6 Press and hold both the Up Arrow and Down Arrow buttons for three seconds The MONITOR lamp stops flashing to indicate an exit from program mode The new settings are saved 360127 1 A Helmer 100 Refrigerator Service Manual 19 3 2 Helmer Calibrating the monitor readout To ensure the high and low temperature alarms are activated properly the chamber temperature that is read by the temperature probe must be acc
56. ber temperature These probes do not impact the refrigerator setpoint Determining current refrigerator setpoint First confirm Refrigerator has run for at least 24 hours to stabilize chamber temperature Chamber temperature is not fluctuating because of excessive door openings and closings Refrigerator has been placed per location requirements See operation manual Preventive maintenance has been completed See operation manual v v v v y Troubleshooting items associated with chamber temperature have been reviewed Obtain An independent thermometer calibrated and traceable per national standards gt This is used to secure the probe to the thermometer 1 Remove all probes from the upper probe bottle 2 Unscrew the cap from the bottle 3 the independent thermometer to the temperature probe and replace them in the bottle so their ends are immersed at least 2 inches 50 mm A On the independent thermometer monitor temperature for about 10 minutes to determine an approximate range From the range calculate an approximate average temperature This 1s the current setpoint Remove thermometer and probe from the bottle and remove tape Replace bottle cap ensuring a tight fit oN OO Place probes in bottle immersing at least 2 inches 50 mm 360127 1 A 4 2 2 i Series Models Product Configuration 13 Changing refrigerator setpoint The default setpoint is 4 0 Change the setpoint
57. ce 19 2 Viewing current settings The monitoring and control system has alarms which activate 1f the chamber temperature is too high or too low View the setpoints for these alarms as well as other settings used to control and display the temperature The High Temp alarm setpoint specifies the temperature at which the High Temperature Alarm should activate If the temperature detected by the chamber probe is greater than or equal to this value the alarm activates The default setpoint is 5 5 C The Low Temp alarm setpoint specifies the temperature at which the Low Temperature Alarm should activate If the temperature detected by the chamber probe is less than or equal to this value the alarm activates The default setpoint for HB blood bank models is 1 5 C The default setpoint for HLR and HPR laboratory and pharmacy models is 2 0 The Monitor Offset is used to calibrate the displayed temperature with the measured temperature If the temperature displayed on the monitor does not match the actual chamber temperature the setting for the Monitor Offset can be changed so they match View the value for this setting The default value varies for each refrigerator The Control Offset and Control Hysteresis are used to control the temperature of the chamber while the refrigerator is in use These values are factory preset and should not be changed The Control Offset default value varies for each refrigerator 1 Press and hold both
58. ce CAUTION See operation manual for the preventive maintenance PM schedule Recharging refrigerant CAUTION The procedures in this chapter should only be completed by trained refrigeration technicians who are chapter with the terminology and processes described here as well as with local and organizational regulations regarding refrigerant leaks Use only non CFC R 134A refrigerant The amount of the full initial charge varies by model and power reguirements which can be found on the product specification label The initial charge is Model J Power requirements initial charge Single door models 111 115 V 60 Hz 7 5 oz 213 g 230 V 50 Hz 230 V 60 Hz Single door models 120 and 125 115 V 60 Hz 10 1 oz 286 g 230 V 50 Hz 230 V 60 Hz Double door models 245 and 256 115 V 60 Hz 12 5 oz 354 g 230 V 50 Hz Double door models 245 and 256 230 V 60 Hz 12 5 oz 354 g Obtain Refrigerant of the appropriate type and guantity A calibrated pressure gauge capable of reading 0 lb in to 25 Ib in 0 kPa to 175 kPa Attach the pressure gauge to the refrigeration lines Monitor the low side suction pressure through a full compressor cycle yy At the end of the next cycle before the compressor stops measure the pressure The pressure varies depending on the ambient air temperature The low side pressure should be 16 Ib in to 18 1b in 110 kPa to 125 kPa 4 Add refrigerant so the pressure is w
59. ce Manual 13 6 Door characteristics Some service information varies with respect to door characteristics Depending on model a refrigerator may have one or two doors and pads may be installed on the door handles Options include solid glass and heated glass doors Single door models may have hinges on the right or left side The monitoring and control system interface is located above the door Model group Door handle pads Blood Bank HB Pads not available Laboratory HLR Pharmacy HLR Model group Door type Blood Bank HB Glass or heated glass or solid Laboratory HLR Pharmacy HPR Number of doors Hinge location Single door 111 120 and 125 Right hinge or left hinge Double door 245 and 256 Left door has left hinge right door has right hinge 13 7 Optional adapter kits for medication dispensing locks Call Helmer or your distributor for specific system information Helmer 360127 1 A 14 14 1 14 1 1 14 1 2 14 2 14 3 14 4 14 5 Horizon Series Models Temperature Controller Programs 71 Temperature Controller Programs The refrigerator is shipped from the factory with preset temperature setpoints These setpoints are specific to the refrigerator s intended use These setpoints may be changed depending on organizational requirements NOTE The Control Offset and Control Hysteresis are factory preset and should not be changed Hysteresis Blood bank models The hysteresis band range
60. chapter 2 Safety 16 1 Troubleshooting general operation problems Possible Cause A drawer or basket does A drawer slide is faulty Confirm the slide is operating correctly not slide easily Replace if necessary There is debris in the gt Pull the drawer or basket out and confirm the drawer slides slides are free of debris Clean the slides if necessary The drawer slides are Using a lightweight oil lubricate the bearings not lubricated in the slides The drawer or basket is Confirm both slides for the drawer or basket misaligned or not level are mounted at the same height A door does not open There is debris in the Confirm the hinges are free of debris Clean easily hinges the hinges if necessary The door hinges are not Using a general purpose grease lubricate the lubricated pivots in the hinges A hinge cam is faulty Confirm the hinge cam is not damaged Replace the cam if necessary The chamber The temperature alarm Check the current setpoints for the temperature temperature meets an setpoint was changed alarms Change the setpoints if necessary alarm condition but the appropriate temperature alarm is not active The chamber The probe bottles are Check the level of product simulation solution temperature displayed is empty or the amount of in the bottles Refill the bottles if necessary higher or lower than the solution is too low actual temperature The monitor is not C
61. chapter 2 Safety gt Replacing lamps requires power disconnection Protect items in the refrigerator from extended exposure to adverse temperatures Disconnect the power Using a screwdriver detach the lamp strip from the chamber Unsnap the defective LED from the strip and disconnect the wires Snap new LED on to the lamp strip Reconnect the wires Reattach the lamp strip to the chamber kh OND Connect power to refrigerator and test the new lamp 360127 1 A Helmer 74 Refrigerator Service Manual 15 4 A AN Cleaning the refrigerator Condenser grill CAUTION gt Disconnect power to the refrigerator to eliminate the potential of electric shock and injury from surrounding components Cleaning the condenser grill requires power disconnection Protect items in the refrigerator from extended exposure to adverse temperatures The condenser grill is the finned surface at the rear of the unit It must be kept clean for proper operation Not cleaning condenser grill regularly significantly reduces refrigerator life expectancy In environments where the refrigerator 1s exposed to excessive lint or dust condenser grill may need to be cleaned more frequently than stated on the PM schedule Clean the condenser grill using a soft brush and a vacuum cleaner Exterior Clean glass surfaces with a soft cotton cloth and glass cleaner Clean other exterior surfaces with a soft cotton cloth and a non abrasive liquid cle
62. e Test Complete appears at the right side of the screen I View the Event Log by touching Home i C APPS Information Logs Event Log Touch the event to view the Event Log Detail screen 8 Observe the temperature at the time of the low temperature alarm event Compare this value to the alarm setpoint If the values do not match refer to chapter 7 Troubleshooting for information on how to proceed NOTE If the temperature alarm test does not automatically complete within two minutes restart the i C monitoring system 360127 1 A 10 3 2 i Series Models Settings 57 To automatically test the high temperature alarm Identify the current setting for the high alarm setpoint Touch Home i C APPS Temperature Alarm Test The Temperature Alarm Test screen is displayed Touch the High Alarm Test button to start the high alarm test The button begins to flash In the Alarm Condition area a Peltier Test Probe Warming message appears When the displayed temperature reaches the alarm setpoint the temperature reading turns red and event is added to the Event Log indicating the high temperature alarm was initiated o When completed the message Test Complete appears at the right side of the screen 7 View the Event Log by touching Home i C APPS Information Logs Event Log Touch the event to view the Event Log Detail screen 8 Observe the temperature at the time of the high temperature alarm even
63. e Graph indicating the change in temperature was test induced When completed the message Test Complete appears at the right side of the screen The test process takes less than five minutes When performing an automatic high alarm test the Peltier device heats the probe until the high alarm setpoint is reached An event is added to the Event Log indicating the low temperature alarm was initiated The Alarm Test icon is displayed on the Temperature Graph indicating the change in temperature was test induced When completed the message Test Complete appears at the right side of the screen The test process takes less than five minutes 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 To automatically test the low temperature alarm Identify the current setting for the low alarm setpoint Touch Home i C APPS Temperature Alarm Test The Temperature Alarm Test screen is displayed Touch the Low Alarm Test button to start the low alarm test The button begins to flash In the Alarm Condition area a Peltier Test Probe Cooling message appears coc 0 When the displayed temperature reaches the alarm setpoint the temperature reading turns red and an event is added to the Event Log indicating the low temperature alarm was initiated o When completed the messag
64. e alarm system is Confirm the monitor controller board and line sporadically faulty connections are functioning correctly Replace the board if necessary The temperature Confirm the temperature monitor controller monitor controller board board is operating correctly Replace the board is faulty if necessary A component is faulty or Contact Helmer Technical Service internal connections are loose 360127 1 A Helmer 84 Refrigerator Service Manual Possible Cause An alarm is activated The temperature No action needed but the temperature changed slightly around recorded at activation the time of activation does not match the alarm setpoint 16 5 Troubleshooting condensation problems Possible Cause There is excessive water The heater in the gt Confirm the heater is hot and is drawing the in the water evaporation evaporation tray is appropriate current tray faulty For 115 V refrigerators the current should be approximately 0 43 A to 0 55 A For 230 V refrigerators the current should be approximately 0 21 A to 0 35 A Humid air is entering the Confirm the refrigerator is level and the chamber doors are aligned closing tightly and sealing correctly Correct issues as necessary There is excessive water Humid air is entering the Confirm the refrigerator is level and the in the chamber chamber doors are aligned closing tightly and sealing correctly Correct issues as nece
65. e by 0 5 to match the thermometer reading P Example 2 increase by 1 0 to match the thermometer reading 3 Enter and save the offset value a Press and hold both the Up Arrow and Down Arrow buttons for three seconds The MONITOR lamp flashes to indicate program mode enable b Press and release the SEL button until only the MONITOR lamp flashes The monitor offset parameter is selected While pressing and holding the SET button do one of the following Press and release the Down Arrow button to decrease the offset value Press and release the Up Arrow button to increase the offset value When changes are complete release the SET button e Press and hold both the Up Arrow and Down Arrow buttons for three seconds The MONITOR lamp stops flashing to indicate an exit from program mode The new setting is saved 4 Replace the probes in the probe bottle a Remove the thermometer and probe from the bottle and remove the tape from them b Screw the cap on the bottle ensuring it fits tightly to minimize evaporation C Place the probes in the bottle immersing them at least 2 inches 50 mm in the solution 360127 1 A 19 3 3 19 4 19 4 1 Horizon Series Models Settings 101 Calibrating the evaporator probe To ensure the refrigerator maintains the correct temperature the evaporator temperature probe has been calibrated at the factory Changing the calibration setting for the evaporator probe is not typically necessary and should not be p
66. e putty around the vinyl tube and partially into the hole to ensure a tight seal 5 Connect the refrigerator to outlet power and switch the AC ON OFF switch ON Reconnect the backup battery or turn the Alarm Disable key switch ON 15 6 Removing and replacing the Access Control cartridge The Access Control lock cartridge is a serviceable part and may be replaced if necessary The lock cartridge is an assembly that is installed on the outside of the refrigerator cabinet AN CAUTION Review all safety instructions prior to replacing the Access Control cartridge See chapter 2 Safety gt Power the refrigerator off and disconnect AC power before performing service The chamber temperature will increase above the allowable temperature range for stored inventory while performing this procedure Take precaution to protect items in the refrigerator from extended exposure to adverse temperature The following is required to remove and replace the Access Control cartridge Wire cutter 2 Phillips screwdriver Helmer 360127 1 A Horizon Series Models Maintenance 77 To remove the Access Control cartridge 1 On the electrical box on the back of the refrigerator switch the AC ON OFF switch OFF Disconnect the refrigerator from outlet power as well Disable the power failure alarm by disconnecting the backup battery or turning the Alarm Disable key switch OFF 2 Open the refrigerator door and prop the door open If the door is in a
67. ej ae iD 12 Uu s usa pots gt a i C3 Power PCBA o 19 ort D 1 av lt gt 1 2 3 P ISLA Charging s Ir Hh fuse i C3 Control PCBA a 3 a EM SO Hic aa 3 iT LN Battery Switch f SN nd 1 Chamber Temp Probe RECORDER 1 Deva 5 Option k p Double Door la IK L 49v Fass i SPV Water Bottle Probe gd TT i Models Only iB MONITOR QUE O BATTERY CC una BACKUP CHART CB HELMER INC RECORDER CHART bre 400936 1 pu BATTERY 9V RECORDER eae 0936 1 BACKUP PROBE Fs a T i ET eo eo eo ven P i i a LLAI Lower Chamber Probe 20 25 45 56FT3 Models Only al c3 Ph Double Door Only HT Condensor T Tn Discharge Probe Door Lock on T gt Solenoid 7 5 Option Nc D pue AS No 9 le O o EXTERIOR ALARM 0 CONTACTS CH Lighting Power Supply INTERIOR LIGHT 55 g Es 52 3 J COMPRESSOR jei oijei oi o nm o 3 2BVDC L ji 58 8 mH COMPRESSOR F1 HW CONDENSING UNIT eg P SSR FAN MOTOR ouble Door Pass Thru g a Mud M Only E V 360127 1 A Helmer 52 Refrigerator Service Manual 10 Settings NOTE Information regarding descriptions and default values for general settings alarm settings and display settings is available in the 1 C User Guide 10 1 Navigating the Home screen The Home screen displays current informati
68. er chamber temperature lower the offset value to raise chamber temperature Example measured temperature at the upper probe bottle refrigerator setpoint offset value Example 4 5 4 0 0 5 Touch plus or minus on the Upper Temperature spin box The value for the probe should match the temperature measured in the upper probe bottle by an independent thermometer Touch plus or minus on the Lower Temperature spin box The value for the probe should match the temperature measured in the lower probe bottle by an independent thermometer Touch plus or minus on the Evaporator Defrost spin box gt The value should match the temperature measured in the unit cooler at the defrost coil sensor by an independent thermometer 360127 1 A Helmer 20 Refrigerator Service Manual 9 The Evaporator Defrost Offset value is set at the factory and should not be changed unless directed by Helmer Technical Service Setting Setting description Default value Control Sensor Calibrated temperature of the Varies set at the factory to match temperature control sensor independent calibrated thermometer measured at the evaporator Control Sensor Offset Adjustment value used if the Varies set at the factory difference refrigerator setpoint is not equal between setpoint and temperature to the temperature measured by an measured at the control sensor independent thermometer Upper Temperature Calib
69. erformed unless directed to do so by Helmer Technical Service Testing alarms Test the alarms to ensure they are working correctly Testing chamber temperature alarms The refrigerator has alarms that indicate if the chamber temperature becomes too high or too low Test these alarms by placing the temperature probe in chilled or warm water and noting the temperature at which the alarm activates CAUTION Testing alarms requires power disconnection Protect items from extended exposure to adverse temperatures IMPORTANT Complete the low alarm test before the high alarm test in order to control the temperature more easily and complete the testing more quickly Obtain gt An independent thermometer calibrated and traceable per national standards Tape This is used to secure the probe to the thermometer P One 8 oz 250 ml glass half filled with chilled water to hold the water used to measure temperature One glass filled with crushed ice This is used to cool the water One 8 oz 250 ml glass half full of warm water CAUTION Temperature probes are fragile Handle them with care 1 Identify the current settings for the low alarm setpoint and high alarm setpoint 2 Remove the chamber temperature probe from the probe bottle 3 Tape the temperature probe to the thermometer and immerse them in the glass of chilled water so their ends are toward the bottom of the glass The warm water is used to warm the water in the probe gla
70. eries Models Settings 53 Viewing and changing settings Through the i C monitoring system the current settings may be viewed and changed To view settings touch Home i C APPS Settings Details for each setting are displayed Use a touch drag motion to scroll up or down to display additional settings The settings can be changed through the same screen that they are viewed in Refer to the i C User Guide for instructions in changing settings as well as descriptions and default values for each setting NOTE The Settings screen may be password protected A valid four digit password must be entered to view settings If viewing settings for the first time enter the factory default password of 1234 Calibrating the settings for the chamber temperature probes To ensure the high and low temperature alarms are activated properly the chamber temperature that is read by the temperature probes must be accurate Verify the probes are reading correctly by comparing the readings to those from an independent thermometer After determining the appropriate temperature change the value displayed on the monitor for the temperature probes NOTE If the variance is within acceptable limits for your organization changing the probe settings is optional The default setting for the chamber temperature probes is 4 0 This value is set at the factory to match the reading from an independent thermometer which may vary from the default value The v
71. ert third party probe through port into chamber 3 Insert probe into bottle 4 Replace plugs ensuring a tight seal 360127 1 A General Information Configuration 7 To fill a temperature probe bottle AN CAUTION Clean bottle first as required gt Temperature probes are fragile handle with care Remove all probes from bottle Remove bottle from bracket and fill with approximately 4 oz 120 ml of product simulation solution Cap tightly to minimize evaporation NO Place bottle in bracket and replace probes immersing at least 2 inches 50 mm in solution 3 4 Preparing the chart recorder If installed see the Temperature Chart Recorder Operation and Service Manual on CD Complete these tasks to prepare recorder for use gt Installing the backup battery Adding paper gt Calibrating the chart recorder to match the upper chamber temperature 3 4 1 i Series chart recorder access For iB iLR and iPR models except 111 model open the door by pressing and releasing it For iB111 models pull the door open Left i Series chart recorder access except 111 model Right i Series chart recorder access iB111 model 360127 1 A Helmer 8 Refrigerator Service Manual 3 4 2 Horizon Series chart recorder access For HB HLR HPR models pull the door open Horizon Series chart recorder access 3 4 3 Changing chart paper One piece of chart paper records temperatures continuously for seven days For
72. ervice internal connections are loose The refrigerator is The outlet connection is Verify power at the outlet Repair the original connected to power but faulty outlet or connect to a different outlet if necessary the AC Power Failure The power cord is faulty B Confirm the power cord is connected securely alarm is active Secure the power cord if necessary The temperature control amp Replace the power supply board or the transformer HB HLR temperature control transformer HPR models is faulty The circuit breaker was Confirm the circuit breaker is seated Push the tripped 230 V models circuit breaker to reset it if necessary A component is faulty or Contact Helmer Technical Service internal connections are loose The Door Open alarm is The doors are not gt Confirm the hinge cams are not damaged activating sporadically closing completely Replace the cams if necessary The doors are closing but gt Confirm the door gasket seals completely not sealing completely Replace the door gasket if necessary The connections for the Test the switch connections Secure the door switch are faulty connections if necessary One or both door Replace the door switch or switches switches are faulty The temperature Confirm the temperature monitor controller monitor controller board board is operating correctly Replace the board is faulty if necessary All alarms are activating Th
73. ess Keypad Option Hug HJ MONITOR ooo BATTERY CONDENSING UNIT om0 BACKUP FAN MOTOR Odd ZO CB Dr CHART RECORDER PROBE UNIT COOLER 30 F L Md 12VA COMPRESSOR SSR CHART RECORDER XFMR E pA mm UNIT COOLER RECORDER 23 FAN BATTERY BACKUP HJ LEFT Door HK RIGHT Heater HK Option G CONDENSATE EVAPORATOR SAW V L1 TERMINAL STRIP Horizon Refrigerator HLR and HPR 111 models 360127 1 A UT L2 OUT Compressor SSR 1 Compressor D Lighting Power Supply Lighting Power Supply RFI FILTER TEMP CONTROL XFMR TEMP CONTROL XFMR Unit Cooler Fan Defrost Mode Unit Cooler Fan L1IN GND L2IN CHART RECORDER XFMR CHART RECORDER XFMR Defrost Timer Defrost Timer DOOR HEATER DOOR HEATER C MAIN POWER SWITCH 12V DC POWER SUPPLY 12V DC POWER SUPPLY CONDENSATE EVAPORATOR CONDENSATE EVAPORATOR B ON CIRCUIT TERMINAL pi in PBREASED STRIP GROUND TERMINAL 2 3 4 5 6 7 8S 9 10 39S 9 E A 882 8 POWER CORD 329 r 58238 F 8 382 z m 3 MAIN POWER 3 115V 60 Hz 5 230V 50 Hz 230V 60 Hz Horizon Ser
74. frigerator Operation Manual The chamber The compressor starting amp Confirm the relay is operating correctly temperature does relay is faulty Replace the relay if necessary not stabilize at the The temperature monitor Confirm the temperature monitor controller refrigerator setpoint controller board is faulty board is operating correctly Replace the board if necessary The condensing unit fan Check the condensing unit fan connections is not running Replace the fan motor if necessary The unit cooler fan is Check the voltage to the fan when door switch not running is activated Replace the fan motor or door switch if necessary The compressor motor Replace the compressor has seized The temperature Confirm the probe is providing accurate control probe is out of temperature readings calibration The temperature control Confirm the probe is providing resistance in probe is faulty the range of 98 Q to 110 Q Replace the probe if necessary The refrigerant level is Check the refrigeration lines for leaks and too low repair them if necessary Check the refrigerant level Recharge the refrigerant if necessary Helmer 360127 1 A i Series Models Troubleshooting 31 Possible Cause The compressor runs continuously The refrigerator setpoint gt Confirm the setpoint is set within the operating is set too low range and change it if necessary The temperature Confirm the
75. gerator below the electrical box The model also appears on a label located in the chamber on the upper side of the right wall ILR125 EN 000000 ud Helmer www helmerinc com Noblesville IN USA Laboratory Refrigerator Voltage 115 D Weight 476 Ib 216 kg HZ 60 Amps 75A ILR125 000000 OUT Version B www helmerinc com Certified UL 61010 1 CSA 61010 1 Left Chamber label Right Product Specification label Description Model REF Serial number Version Power reguirements Identifying the control system Service information varies depending on the control system Helmer refrigerators have one of two control systems installed The type of control system varies by model Model group Control system iB iLR iPR monitoring and control system HB HLR HPR Horizon Series monitoring and control system i C control system i Series refrigerators are equipped with the i C monitoring and control system The i C system combines temperature control and monitoring into a single interface displaying multiple information logs with historical information in full color The touchscreen monitor located on the refrigerator door displays operational information The chamber temperature controller is integrated into the 1 C system 2 00 pm 031 03 201 4 0 i C monitoring and control system display 360127 1 A Helmer 6 Refrigerator Service Manual 3 2 2 3 3 Helmer
76. he DOOR ALARM lamp to flash Close the refrigerator door The door open alarm should clear causing the audible alarm to clear and the DOOR ALARM lamp to stop flashing Helmer 360127 1 A 20 20 1 20 1 1 20 1 2 20 1 3 20 1 4 20 1 5 Horizon Series Models Warranty 103 Warranty Rel i Product Warranty USA and Canada For technical service needs please contact Helmer at 800 743 5637 or www helmerinc com Be sure to have the model and serial number available Rapid resolution When a warranty issue arises it is our desire to respond guickly 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
77. hen the door is opened Helmer 360127 1 i Series Models Troubleshooting 33 Possible Cause All alarms are activating The alarm system is Confirm the monitor controller board and line sporadically connections are functioning correctly Replace the board if necessary The temperature Confirm the temperature monitor controller monitor controller board board is operating correctly Replace the board is faulty if necessary A component is faulty or Contact Helmer Technical Service internal connections are loose The condenser alarm is The refrigerant level is Check refrigeration lines for leaks and repair active too low if necessary Check the refrigerant level Recharge refrigerant if necessary The connections for the Test the probe connections Secure the condenser temperature connections if necessary probe are loose The condenser Test the probe Replace the probe if necessary temperature probe is faulty The condenser probe is Confirm the condenser probe is reading not calibrated correctly Calibrate the probe if necessary An alarm is activated The temperature monitor gt Confirm the upper temperature probe is reading but the temperature is not calibrated correctly Calibrate the probe if necessary recorded at activation The temperature action needed does not match the changed slightly around alarm setpoint the time of activation The No Battery alarm is The battery volt
78. ies Models Settings 97 19 Settings 19 1 Touring the monitoring and control system A J B C D E F K G L H M N abei Description mn COOL lamp Indicates the compressor is running pe Display Displays real time temperature information setpoints and alarms C HIGH TEMP lamp Indicates when the refrigerator is in a high temperature alarm condition Also indicates the high alarm temperature setpoint is being changed LOW TEMP lamp Indicates when the refrigerator is in a low temperature alarm condition Also indicates the low alarm temperature setpoint is being changed DOOR ALARM lamp Indicates when the door is open for greater than three minutes UP ARROW button G DOWN ARROW button Decreases a temperature setting Also mutes the audible alarm for five minutes SEL button Toggles between alarm monitor and control modes I ALARM DISABLE key Disables all audible alarms This switch does not affect alarm switch lamps or signals sent through the remote alarm interface 360127 1 A Helmer 98 Refrigerator Service Manual Label Descipton Funston M MONITOR lamp Indicates when the display is showing temperature readings from the monitor probe Also indicates when alarm setpoints are being changed LIGHT switch Turns the chamber light on or off NOTE The Alarm Disable key switch disables all audible alarms This switch does not affect alarm lamps or signals sent through the remote alarm interfa
79. ing system Battery requirements HB HLR and HPR Combined alarm monitoring and One non rechargeable 9 V control system lithium or equivalent battery The battery is taped next to the battery holder Connect the battery to the battery wires 360127 1 A Helmer 66 Refrigerator Service Manual 13 2 13 2 1 Helmer Refrigerator setpoint configuration The temperature controller adjusts chamber temperature around the refrigerator setpoint The controller activates the compressor when the chamber probe registers temperature above the setpoint The controller also senses unit cooler temperature through a probe in the cooler The temperature in the unit cooler typically varies from the temperature in the chamber so an offset value is used in the control system The unit cooler temperature combined with the offset value establishes the refrigerator setpoint NOTE The probes in the bottles are connected to the monitoring system and sense chamber temperature These probes do not impact the refrigerator setpoint Determining current refrigerator setpoint First confirm Refrigerator has run for at least 24 hours to stabilize chamber temperature Chamber temperature is not fluctuating because of excessive door openings and closings Refrigerator has been placed per location requirements See operation manual Preventive maintenance has been completed See operation manual v v v v y Troubleshooting items associated with chamber tem
80. it cooler NOTE Helmer recommends the use of leveling feet Level the refrigerator front to back 1 Use a wrench to adjust the leveling feet 2 A bubble level may be used to ensure the refrigerator is level 3 When the refrigerator is properly leveled from front to back the bottom of the unit cooler will slope downward from front to back toward the condensate drain line located in the back of the cabinet Level the refrigerator side to side 1 Use a wrench to adjust the leveling feet 2 A bubble level may be used to ensure the refrigerator is level 3 When the refrigerator is properly leveled from side to side the bottom of the unit cooler will be horizontal parallel to the floor 4 6 Door characteristics Some service information varies with respect to door characteristics Depending on model a refrigerator may have one or two doors and pads may be installed on the door handles Options include solid glass and heated glass doors Single door models may have hinges on the right or left side The monitoring and control system interface is located on the door Model group Door handle pads Blood Bank iB Pads included Laboratory iLR Pharmacy iPR Model group Door type Blood Bank iB Glass or heated glass or solid Laboratory iLR Pharmacy iPR Number of doors Hinge location Single door 111 120 and 125 Right hinge or left hinge Double door 245 and 256 Left door has left hinge right door has right hinge
81. ithin the acceptable range Helmer 360127 1 Horizon Series Models Maintenance 73 15 2 Checking the monitoring system backup battery AN CAUTION Checking the monitoring system backup battery requires that power be disconnected from the refrigerator which may affect the chamber temperature Before testing the alarm take precautions to protect items in the refrigerator from extended exposure to adverse temperatures The monitoring system does not have visual indicators for the status of the backup battery Regularly test whether the backup battery is functioning and replace it if the test fails or if the battery has been in use for one year Test whether the backup battery is functioning 1 Disconnect the refrigerator from AC power by disconnecting the AC power cord from the wall outlet or by switching the AC ON OFF switch OFF The display should continue to display information If the display is blank replace the battery 2 Re connect the refrigerator to AC power N CAUTION When installing a replacement battery for the monitoring system use only a battery which meets the specifications outlined in chapter 15 7 Supplies 15 3 Replacing LED lamps Depending on the refrigerator configuration the refrigerator is shipped with one or two LED lamp strips installed Replacement LEDs are available from Helmer N CAUTION Follow all chemical handling and disposal requirements and procedures specified by your organization See
82. le door models 7 A 120478 Do not remove the cover from the condensate evaporator tray Horizon Series Models Parts 89 17 3 1 Electrical box parts Label Description Replacement part numbers Label on schematic 120160 Chart recorder transformer optional eo 12 V DC power supply for Access 120505 HN Control optional HF HO L Defrost timer 115 V 111 model 800030 1 120 125 245 245 models 800016 1 230 V 120 125 245 245 models 800016 2 Temperature control transformer 115 V models 800086 1 230 V models 800086 2 Compressor relay 120426 E 12 V cabinet lighting power supply 120624 O Power line filter 120400 D 360127 1 A Helmer 90 Refrigerator Service Manual 17 4 Interior numbers schematic Unit cooler ee subsequent section s for part numbers 120380 See subsequent section s for part numbers IK IJ F M Lamp assemblies See subsequent section s for part numbers Helmer 360127 1 A Horizon Series Models Parts 91 17 4 1 Light parts AN CAUTION Disconnect refrigerator from power when removing and replacing LED lamps numbers Label Description Replacement part Label on schematic LED lamp 800049 1 360127 1 A Helmer 92 Refrigerator Service Manual 17 4 2 Unit cooler parts Left Unit cooler single door model shown Center and right Unit cooler parts Label Description Replacement part numbers Label on schematic Unit cooler assembly 115 V 1
83. locked state use the manual override key to override the Access Control lock then open the refrigerator door 3 Remove the 3 screws securing the cover over the Access Control cartridge on the side of the refrigerator cabinet then remove the cover Remove 4 Cut the zip tie securing the bundled wires to the back of the cartridge Separate the two pairs of spade connectors 5 Remove the 2 screws securing the cartridge assembly to the side of the cabinet Cut zip tie Remove 6 Remove the cartridge from the cabinet 360127 1 A Helmer 78 Refrigerator Service Manual 1 Insert a screw through the upper hole in the cartridge body then through the door latch and latch bushings 2 Insert a screw through the lower hole in the cartridge body and the nylon spacer 3 Hold the cartridge against the refrigerator cabinet and align the screws with the holes in the cabinet 3 Hand thread each screw into the corresponding hole in the cabinet Latch Metal latch peeing bushing Hand thread Nylon spacer screws NOTE Ensure the wires will not be pinched between the cartridge body and the cabinet 4 Tighten both screws to attach the cartridge to the cabinet 5 Connect the electrical wires from the cabinet to the wires from the cartridge Bundle the excess wiring and secure it to the back of the cartridge with a zip tie NOTE The latch must be in the unlocked position rotated toward the back of the freezer before installing the cartridge c
84. mperature fluctuation Varies according to model and relative to the temperature setpoint cabinet size Delay on Start Up Time in minutes that a compressor 2 minutes start will be delayed after a power interruption Duty Cycle of Control Percentage of time the compressor 50 Relay during Probe Error will run during a probe error Helmer 360127 1 A 5 2 i Series Models Temerature Controller Programs 19 Temperature calibration settings NOTE When there is no interaction for two minutes the Temperature Calibration screen closes and returns to the home screen CAUTION The Control Sensor and Control Sensor Offset Evaporator Defrost and RON Evaporator Defrost Offset and Compressor Probe Temperature settings are factory preset and should not be changed unless directed by Helmer Technical Service Touch Home i C APPS Settings Enter the Settings password Touch Temperature Calibration Touch plus or minus on the Control Sensor spin box The value for the probe should match the temperature measured in the unit cooler at the control sensor by an independent thermometer calibrated and traceable per national standards Touch plus or minus on the Control Sensor Offset spin box The value for the offset should be equal to the difference between the refrigerator setpoint and the temperature as measured by an independent thermometer at the upper probe bottle Raise the offset value to low
85. mponent is faulty or Contact Helmer Technical Service internal connections are loose 360127 1 A Helmer 30 Refrigerator Service Manual Possible Cause The chamber The condenser grill is Check the condenser grill Clean the grill if temperature does dirty necessary not stabilize at the The air circulation at the Check if there are any items that may obstruct refrigerator setpoint top of the chamber is not air flow and remove them if necessary adeguate The ambient air gt Confirm the refrigerator is placed appropriately temperature around the refrigerator is too high Therefrigerantlevelis Check refrigeration lines for leaks and repair too low if necessary Check the refrigerant level Recharge refrigerant if necessary A component is faulty or Contact Helmer Technical Service internal connections are loose 7 2 Troubleshooting chamber temperature problems Possible Cause The chamber The connections for the Test the probe connections Secure the temperature displayed is chamber temperature connections if necessary higher or lower than the probe are loose actual temperature The temperature probe Check the continuity of the probe wiring wiring is an open circuit Replace the probe if necessary The probe bottles are Check the level of product simulation solution empty or the amount of in the bottles Refill the bottles if necessary solution is too low See the Re
86. n Series Models 63 Section lll Horizon Series Models 360127 1 A Helmer 64 Refrigerator Service Manual This page left blank intentionally Helmer 360127 1 A 13 13 1 Horizon Series Models Product Configuration 65 Product Configuration Installing batteries for backup power The monitoring systems and chart recorder each have a battery backup system enabling a period of continuous operation if power is lost NOTE The monitoring systems will start on battery power alone If the refrigerator was previously not connected to AC power and the backup battery is connected or 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 two hours Backup power for the temperature chart recorder is available for up to 14 hours CAUTION Before installing or replacing batteries disconnect power to the refrigerator gt When installing a replacement battery for the monitoring system use only a battery which meets the specifications outlined in chapter 15 7 Supplies The battery holder is located on the top of the refrigerator behind the front bezel For 111 models a service cover covers the components and an access panel provides access to the monitoring system backup battery Models J Monitor
87. nd audible Some alarms are sent through the remote alarm interface The table below indicates if an alarm for a particular model is audible A visual V or sent through the remote alarm interface R Messages for visual alarms if applicable appear in the table as well A V Low Temperature R A V Door Open R A V Power Failure A V Probe Failure R A V Cell Service R Energy conservation and regulatory compliance This device complies with the requirements of directive 93 42 EEC concerning C Medical Devices as amended by 2007 47 EC This product is certified to applicable UL and CSA standards by a NRTL Insulation Type 2 0086 Pollution Degree 2 for use in USA and Canada only Sound level is less than 70 dB A WEEE compliance The WEEE waste electrical and electronic eguipment symbol right indicates compliance with European Union Directive WEEE 2002 96 EC and applicable provisions The directive sets requirements for the labeling and disposal of certain products in affected countries Sa When disposing of this product in countries affected by this directive gt Do not dispose of this product as unsorted municipal waste Collect this product separately Use the collection and return systems available locally For more information on the return recovery or recycling of this product contact your local distributor 360127 1 A Section lll Horizo
88. nus on the Temperature Setpoint spin box until the correct value appears The button increments are 0 1 C 5 The setpoint is changed Touch Home to return to the home screen 360127 1 A Helmer 14 Refrigerator Service Manual 4 3 External monitoring devices AN 4 4 AN CAUTION Do not connect any monitoring device that exceeds the maximum load capacity for your model The refrigerator provides a remote alarm interface to send information to external devices such as the Helmer Remote Alarm Monitoring System For more information and availability contact Helmer or your local distributor The remote alarm interface is a relay switch with three terminals Common COM Normally Open NO and Normally Closed NC These terminals are dry contacts and do not supply voltage The interface circuit is either normally open or normally closed depending on which terminals are used The requirements for your alarm system determine which wires must connect to which terminals To connect to the remote alarm interface 1 Switch the AC ON OFF switch OFF 2 Switch the battery backup switch OFF 3 On the electrical box locate the remote alarm interface 4 Connect the remote alarm wires to the appropriate terminals according to the requirements for your alarm system 5 Using a cable tie secure the wires together for stability as needed 6 Switch the battery backup switch ON 7 Switch the AC ON OFF switch ON Moving drawer
89. of the warranty period Horizon Series model compressor warranty period is five 5 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
90. on Replacement part Label on numbers schematic Touchpad board assembly 800027 1 HA HA B Light switch 120202 HG Alarm key switch 120227 Helmer 360127 1 Horizon Series Models Parts 87 17 2 Top features Label Description Replacement part numbers Label on schematic Condenser fan motor 120 V 111 model 120451 120 and 125 models 120467 245 models 120469 230 V 111 model 120561 120 models 120471 245 models 120473 Compressor 120 V 111 model 800005 1 120 and 125 models 400670 1 245 models 40067 1 1 230 V 50 Hz 111 model 800005 2 120 and 125 models 400670 2 245 models 40067 1 2 230 V 60 Hz 111 model 800005 3 120 and 125 models 400670 3 245 models 400671 3 Monitoring system backup battery 120399 HH HJ 360127 1 A Helmer 88 Refrigerator Service Manual Label Description Replacement part numbers Label on schematic See subsequent section s for part numbers North American models 120 V 120630 230 V 120631 European models A 230 V 120156 115 V G 111 model 400791 1 120 125 245 256 models 400790 1 230 V 111 model 400791 2 120 125 245 256 models 400790 2 120478 C 17 3 Rear Rear features HB111 model shown A Electrical box Power cable Condensate evaporator kit includes condensate evaporator tray and cover RS 232 serial port G Circuit breaker 230 V models N CAUTION Helmer 360127 1 Single door models 6 A 120429 Doub
91. on and is the starting screen for all interaction with the monitoring system The Home screen appears when 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 Home screen on the monitoring system esi anion Information header Allows access to information logs Indicates new logged alarm events Provides date time and unit ID information Display zone Displays upper and lower probe temperature Indicates refrigerator operational status Application icons Displays customizable i C application button icons Turn chamber light on or off 10 1 1 Understanding functions available from the Home screen Mute active audible alarms Identifies active alarm conditions VVVIVVVVY NOTE See the i C User Guide for options available on all i C screens From the Home screen View current readings from the temperature probes View the current time and date for the system 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 backup battery power Mute audible alarms Turn the chamber light on and off View graph of the chamber temperature for the past 24 hours or past 7 days of operation Helmer 360127 1 10 2 10 2 1 i S
92. on to the lamp strip Reconnect the wires Reattach the lamp strip to the chamber NO Connect power to refrigerator and test the new lamp 360127 1 A 6 4 i Series Models Maintenance 23 Cleaning the refrigerator Condenser grill CAUTION gt Disconnect power to the refrigerator to eliminate the potential of electric shock and injury from surrounding components Cleaning the condenser grill requires power disconnection Protect items in the refrigerator from extended exposure to adverse temperatures The condenser grill is the finned surface at the rear of the unit It must be kept clean for proper operation Not cleaning condenser grill regularly significantly reduces refrigerator life expectancy In environments where the refrigerator is exposed to excessive lint or dust condenser grill may need to be cleaned more freguently than stated on the PM schedule Clean the condenser grill using a soft brush and a vacuum cleaner Exterior Clean glass surfaces with a soft cotton cloth and glass cleaner Clean other exterior surfaces with a soft cotton cloth and a non abrasive liguid cleaner CAUTION The condensate evaporator and the 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 door gaskets with a soft cloth and mild soap and water solution
93. onfirm the upper temperature probe is reading calibrated correctly Calibrate the probe if necessary Digital electronics are Reset the monitoring system locked because of an interruption in power A component is faulty or Contact Helmer Technical Service internal connections are loose i appears on the A component is faulty or Contact Helmer Technical Service display but the chamber internal connections are temperature is set loose correctly Helmer 360127 1 A Horizon Series Models Troubleshooting 81 Possible Cause The chamber The condenser grill is Check the condenser grill Clean the grill if temperature does dirty necessary not stabilize at the The air circulation at the Check if there are any items that may obstruct refrigerator setpoint top of the chamber is not air flow and remove them if necessary adequate The ambient air gt Confirm the refrigerator is placed appropriately temperature around the refrigerator is too high The refrigerant level 15 Check refrigeration lines for leaks and repair too low if necessary Check the refrigerant level Recharge refrigerant if necessary A component is faulty or Contact Helmer Technical Service internal connections are loose 16 2 Troubleshooting chamber temperature problems Possible Cause FY appears on the The connections for the Test the probe connections Secure the display but the chamber ch
94. ot Bridge shelf 18 depth 400845 1 shown 24 depth 400845 2 Helmer 360127 1 A 8 4 4 i Series Models Parts 49 Door and hinge parts Door and hinge features HLR120 model shown Label Description Replacement part Label on numbers schematic 220540 Upper hinge bracket Left hinge 400960 2 Right hinge 400960 1 C Upper hinge bearing 220541 320742 1 320763 1 G Lower hinge bracket Right hinge 400377 1 Left hinge 400377 2 E F Door gasket 111 model 321082 1 120 125 245 and 456 models 320726 1 360127 1 A Helmer 50 9 9 1 Helmer Refrigerator Service Manual Schematics iB iLR and iPR models 111 120 125 245 and 256 configurations MAIN POWER 115V 21096 60 Hz 230V 21096 50 Hz 230V 21096 60 Hz A POWER CORD TV CIRCUIT O BREAKERS 230V ONLY MAIN POWER SWITCH 1 L2IN GND D RFI Filter L2 OUT L1 IN L1 OUT Double Door i Series Refrigerator F iB iPR and iLR 111 120 125 245 and 256 models Page 1 of 2 UNIT COOLER JUNCTION BOX SNUBBER CIRCUIT gt From i C3 J18 Pin 5 E UNIT COOLER FANS
95. over 6 Install the cover over the Access Control cartridge Hold the cover over the cartridge and align the three screw holes with the corresponding holes in the cabinet Install 3 three screws and tighten to secure the cover 7 Close the refrigerator door and return the refrigerator to normal operation to provide power to the Access Control lock Connect the refrigerator to outlet power then switch the AC ON OFF switch ON Cancel the high temperature alarm by turning the Alarm Disable key switch OFF 8 Once the refrigerator has reached operating temperature enable the high temperature alarm by turning the Alarm Disable key switch ON AN CAUTION Allow the refrigerator temperature to stabilize at the setpoint before moving Helmer To install the replacement Access Control cartridge contents back into the refrigerator 360127 1 A Horizon Series Models Maintenance 79 15 7 Supplies Refrigerant non CFC R 134A Chart paper 220366 52 sheets Glycerin solution 400922 1 LED lamp 400954 1 1 3 W NOTE Number of LEDs will vary depending on refrigerator model Monitoring system backup battery One 9 V non rechargeable lithium or equivalent battery 120399 Chart recorder backup battery One 9 V non rechargeable alkaline or equivalent battery 120218 360127 1 A Helmer 80 Refrigerator Service Manual 16 Troubleshooting UN CAUTION Review all safety instructions prior to completing troubleshooting recommendations See
96. perature have been reviewed Obtain An independent thermometer calibrated and traceable per national standards gt This is used to secure the probe to the thermometer 1 Remove all probes from the upper probe bottle 2 Unscrew the cap from the bottle 3 the independent thermometer to the temperature probe and replace them in the bottle so their ends are immersed at least 2 inches 50 mm A On the independent thermometer monitor temperature for about 10 minutes to determine an approximate range From the range calculate an approximate average temperature This 1s the current setpoint Remove thermometer and probe from the bottle and remove tape Replace bottle cap ensuring a tight fit oN OO Place probes in bottle immersing at least 2 inches 50 mm 360127 1 A 13 2 2 13 3 Horizon Series Models Product Configuration 67 Changing refrigerator setpoint The default setpoint is 4 0 Change the setpoint if gt Your organization requires a chamber temperature different from 4 0 The normal chamber temperature is too high or low even after completing preventive maintenance and applicable troubleshooting tasks Before changing setpoint confirm Refrigerator has been placed per location requirements See operation manual Preventive maintenance has been completed See operation manual gt Troubleshooting items associated with chamber temperature have been reviewed
97. power at the outlet Repair the original connected to power but faulty outlet or connect to a different outlet if necessary the AC Power Failure The power cord is faulty amp Confirm the power cord is connected securely alarm is active Secure the power cord if necessary The power supply board Replace the power supply board or the is faulty temperature control transformer The circuit breaker was Confirm the circuit breaker is seated Push the tripped 230 V models circuit breaker to reset it 1f necessary A component is faulty or Contact Helmer Technical Service internal connections are loose The Door Open alarm is The doors are not Confirm the hinge cams are not damaged activating sporadically closing completely Replace the cams if necessary The doors are closing but gt Confirm the door gasket seals completely not sealing completely Replace the door gasket if necessary The connections for the Test the switch connections Secure the door switch are faulty connections if necessary One or both door Replace the door switch or switches switches are faulty The temperature Confirm the temperature monitor controller monitor controller board board is operating correctly Replace the board is faulty if necessary The Door Open Timeout amp Check the time delay for the Door Open alarm is set to zero causing Change the time delay if necessary the alarm to activate immediately w
98. probe is providing accurate control probe is out of temperature readings calibration The temperature control Confirm the probe is providing resistance in probe is faulty the range of 98 Q to 110 Q Replace the probe if necessary The temperature monitor Confirm the temperature monitor controller controller board is faulty board is operating correctly Replace the board if necessary The compressor starting Confirm the relay is operating correctly relay is faulty Replace the relay if necessary The temperature Confirm the temperature monitor controller monitor controller board board is operating correctly Replace the board is faulty if necessary 7 3 Troubleshooting alarm activation problems Possible Cause The refrigerator is in an alarm condition but alarms are not audible The refrigerator meets an alarm condition but the appropriate alarm is not active The alarm system is gt Confirm the monitor controller board and line faulty connections are functioning correctly Replace the board if necessary The temperature monitor Confirm the temperature monitor controller controller board is faulty board is operating correctly Replace the board if necessary The alarm speaker is Replace the speaker faulty Audible alarms have Verify audible alarms are not muted Touch the been muted Mute button repeatedly until the Mute timer indicates no time delay A component is faulty
99. rated temperature for the upper 4 0 C chamber probe Lower Temperature Calibrated temperature for the lower 4 0 C chamber probe Evaporator Defrost Calibrated temperature for the Varies set at the factory to match evaporator defrost probe measured independent calibrated thermometer at the evaporator defrost heater Evaporator Defrost Offset Adjustment value used by the Varies set at the factory factory to limit the maximum evaporator defrost temperature Compressor Probe Calibrated temperature for the Varies set at the factory to match Temperature compressor probe measured at the independent calibrated thermometer condenser Helmer 360127 1 A i Series Models Maintenance 21 6 Maintenance N CAUTION See operation manual for the preventive maintenance PM schedule 6 1 Recharging refrigerant AN CAUTION The procedures in this chapter should only be completed by trained refrigeration technicians who are familiar with the terminology and processes described here as well as with local and organizational regulations regarding refrigerant leaks Use only non CFC R 134A refrigerant The amount of the full initial charge varies by model and power reguirements which can be found on the product specification label The initial charge is Model J Power requirements initial charge Single door models 111 115 V 60 Hz 7 5 oz 213 g 230 V 50 Hz 230 V 60 Hz Single door models 120 and 125 115 V 60 Hz
100. re controller screen Through the 1 C monitoring system the current settings may be viewed and changed The factory settings can be changed through the same screen that they are viewed in Contact Helmer Technical Service to verify if changing factory settings is necessary and for instructions in accessing the factory settings page Testing alarms Test the alarms to ensure they are working correctly The refrigerator has alarms that indicate if the chamber temperature becomes too high or too low Test these alarms using the built in Peltier device The Peltier device physically heats or cools the upper temperature probe it is unnecessary to insert the probe in chilled or warm water This automatic method does not affect the chamber temperature The alarms may also be tested by placing the upper temperature probe in chilled or warm water and noting the displayed temperature at which the alarm activates 360127 1 A Helmer 56 Refrigerator Service Manual 10 3 1 Helmer Testing temperature alarms automatically 4 0 C vg Alarm Test Test Alun Conoticn Canon Tesi e NOTE The automatic test can be aborted at any time by touching the Cancel Test button When performing an automatic low alarm test the Peltier device cools the probe until the low alarm setpoint is reached An event is added to the Event Log indicating the low temperature alarm was initiated The Alarm Test icon is displayed on the Temperatur
101. robe from the water and remove the tape from them Place the probe in the bottle immersing it at least 2 inches 50 mm in the solution Compare each recorded thermometer value to its corresponding setpoint If the values do not match see chapter 7 Troubleshooting for information on how to proceed 10 3 3 Testing the power failure alarm AN CAUTION Testing the power failure alarm requires that power be disconnected from the refrigerator which may affect the chamber temperature Before testing the alarm take precautions to protect items in the refrigerator from extended exposure to adverse temperatures Test the power failure alarm to ensure it activates at the appropriate time During a power failure the backup battery continues to provide power to the monitoring system 1 Identify the current setting for the Power Failure Time Delay 2 Change the setting to zero minutes For instructions refer to the i C User Guide 3 Disconnect the refrigerator from power by switching the AC ON OFF switch on the electrical box OFF The power failure alarm should activate immediately causing the audible alarm to sound and the Power Failure alarm message to appear on the Home screen An event is added to the event log indicating a power failure alarm condition 4 Power the refrigerator on by switching the AC ON OFF switch ON The power failure alarm will clear causing the audible alarm to clear and the Power Failure alarm message to clear from the Home screen
102. s shelves and baskets Not all containers are available for all models Storage features availability of shelves drawers and baskets varies by model CAUTION Before moving drawers shelves baskets slides or brackets protect stored items from extended exposure to adverse temperatures Before moving drawers be sure they are completely empty for safe lifting Helmer 360127 1 4 4 1 4 4 2 4 4 3 i Series Models Product Configuration 15 To remove a drawer or basket 1 Pull the drawer or basket all the way out until it stops 2 On the right rail locate the release tab and press it downward 3 While holding the right release tab downward locate the release tab on the left rail and press it upward 4 Pull the drawer or basket free of the slides To install a drawer or basket 1 Align the end guides on the drawer or basket with the slides 2 Gently push the drawer or basket into the chamber until it stops 3 To ensure proper installation pull drawer or basket back out until it stops then push it back in again To remove a shelf 1 With one hand lift the front edge of the shelf from the front brackets 2 With the other hand reach under the shelf and gently bump the rear edge of the shelf upward to disengage it from the rear brackets To install a shelf 1 Insert the shelf into the chamber placing it on the brackets 2 Gently bump the rear edge of the shelf downward to engage it with the rear brackets
103. sary Humid air is entering the Confirm the refrigerator is level and the chamber doors are aligned closing tightly and sealing correctly Correct issues as necessary The connection between Confirm the connection is secure Tighten the the unit cooler and the connection if necessary drain tube is loose The temperature gt Confirm the temperature monitor controller monitor controller board board is operating correctly Replace the board is faulty if necessary The drain line is gt Confirm the drain tube is free of debris plugged Remove debris if necessary Humid air is entering the Confirm the refrigerator is level and the doors are aligned closing tightly and sealing correctly Correct issues as necessary The relative humidity gt Confirm the refrigerator is placed properly See around the refrigerator is the refrigerator Operation Manual too high Humid air is entering the Confirm the refrigerator is level and the door is aligned closing tightly and sealing correctly Excessive water is found Contact Helmer Technical Service to correct in the evaporation tray issues as necessary inside the refrigerator 360127 1 A Helmer 36 Refrigerator Service Manual 8 Parts This chapter concerns replaceable parts and part numbers It also includes references to schematics as appropriate See chapter 9 Schematics N CAUTION Before replacing parts that affect chamber temperature
104. schematic A Electrical box See subsequent section s for part numbers Power cable North American models 120 V 120630 230 V 120631 European models 230 V 120156 Condensate evaporator kit includes 115 V G condensate evaporator tray and cover 111 model 400791 1 120 125 245 256 models 400790 1 230 V 111 model 400791 2 120 125 245 256 models 400790 2 Remo aiam conas F E RS 232 serial port optional Circuit breaker 230 V models Single door models 6 A 120429 Double door models 7 A 120478 AN CAUTION Do not remove the cover from the condensate evaporator tray Helmer 360127 1 i Series Models Parts 41 8 3 1 Electrical box parts oom a an numbers schematic 800035 1 Power line filter sf 20400 Lighting power supply 12004 o 360127 1 A Helmer 42 Refrigerator Service Manual 8 4 Interior Label Description Replacement part Label on numbers schematic Unit cooler See subsequent section s for part numbers 120380 See subsequent section s for part numbers IK IJ F M Lamp assemblies See subsequent section s for part numbers Helmer 360127 1 A i Series Models Parts 43 8 4 1 Light parts AN CAUTION Disconnect refrigerator from power when removing and replacing LED lamps Light features Label Description Replacement part Label on numbers schematic LED lamp 800049 1 360127 1 A Helmer 44 Refrigerator Service Man
105. ss 4 Activate the Low Temperature Alarm with this method While constantly stirring the thermometer and probe in the chilled water and watching the temperature on the monitor slowly add ice so the temperature decreases 0 5 C per minute This is approximately 1 teaspoon 5 ml of ice every 15 to 25 seconds Be sure to keep the end of the thermometer and probe in the lower liquid and not in the upper ice When the temperature reaches the low alarm setpoint an alarm sounds and the LOW TEMP lamp flashes 5 Note the temperature on the independent thermometer when the alarm was triggered 6 Activate the High Temperature Alarm with this method While constantly stirring the thermometer and probe in the chilled water and watching the temperature on the monitor slowly add warm water so the temperature increases 0 5 C per minute When the temperature reaches the high alarm setpoint an alarm sounds and the HIGH TEMP lamp flashes Note the temperature on the independent thermometer when the alarm was triggered Remove the thermometer and probe from the water and remove the tape from them Place the probe in the bottle immersing it at least 2 inches 50 mm in the solution 0 Compare each thermometer value to its corresponding setpoint If the values do not match see chapter 16 Troubleshooting for information on how to proceed 360127 1 A Helmer 102 Refrigerator Service Manual Testing the power failure alarm 19 4 2 N
106. ssary The connection between gt Confirm the connection is secure Tighten the the unit cooler and the connection if necessary drain tube is loose The defrost timer is gt Replace the defrost timer faulty The drain line is Confirm the drain tube is free of debris plugged Remove debris if necessary There is excessive Humid air is entering the Confirm the refrigerator is level and the humidity on the doors chamber doors are aligned closing tightly and sealing correctly Correct issues as necessary The relative humidity gt Confirm the refrigerator is placed properly See around the refrigerator is the refrigerator Operation Manual too high Water leaks from Humid air is entering the Confirm the refrigerator is level and the the bottom of the chamber door is aligned closing tightly and sealing refrigerator correctly Excessive water is found Contact Helmer Technical Service to correct in the evaporation tray issues as necessary inside the refrigerator Helmer 360127 1 A Horizon Series Models Parts 85 17 Parts This chapter concerns replaceable parts and part numbers It also includes references to schematics as appropriate See chapter 18 Schematics N CAUTION Before replacing parts that affect chamber temperature take precautions to protect items in the refrigerator from extended exposure to adverse temperatures 17 1 Front Front features HB120 model shown L
107. t Compare this value to the alarm setpoint If the values do not match refer to chapter 7 Troubleshooting for information on how to proceed NOTE If the temperature alarm test does not automatically complete within two minutes restart the i C monitoring system To cancel an automatic test in progress 1 Touch Home i C APPS Temperature Alarm Test 2 Touch the Cancel Test button The test is cancelled Testing temperature alarms manually CAUTION The door must be left open during testing which may affect the chamber temperature Before testing the alarms manually take precautions to protect items in the refrigerator from extended exposure to adverse temperatures Complete the low alarm test before the high alarm test in order to control the temperature more easily and complete the testing more guickly Obtain gt An independent thermometer calibrated and traceable per national standards This is used to secure the probe to the thermometer One 8 oz 250 ml glass half full of chilled water This holds the water used to measure the temperature One glass filled with crushed ice This is used to cool the water One 8 oz 250 ml glass half full of warm water This is used to heat the water AN CAUTION Temperature probes are fragile Handle them with care 1 Identify the current settings for the low alarm setpoint and high alarm setpoint 2 Remove the upper chamber temperature probe from the probe bo
108. t least 2 inches 50 mm in solution Removing and installing the unit cooler cover The unit cooler cover has a port to drain condensation generated in the cooling process If the unit cooler cover is not removed correctly the drain port may be damaged Improper drainage may result in excessive icing in the refrigerator and the refrigerator s inability to maintain the temperature setpoint This drain port fits into a piece of vinyl tubing that directs the condensate into the J shaped drain line on the rear of the refrigerator Before removing the unit cooler cover first remove the vinyl tubing The following is reguired to remove and reinstall the unit cooler cover 5 16 socket wrench Tool to push putty away from the tubing Unit cooler features Left Unit cooler A with drain port B Right drain tubing C To remove the unit cooler cover 1 In the lower front control panel switch the AC ON OFF switch OFF Disable the power failure alarm by disconnecting the backup battery or turning the Alarm Disable key switch OFF 2 Peel the putty back to expose the vinyl tube inside the chamber The putty may be hardened from exposure to cold temperature allow enough time for the putty to soften 3 Remove the vinyl tube from the unit cooler drain port by pulling it downward to separate it from the unit cooler Twisting the tube somewhat makes it easier to pull The drain port on the unit cooler should now be visible 4 Push the e
109. tact Helmer 2 The manufacturer contact information appears 3 The software version appears 360127 1 A Helmer 60 Refrigerator Service Manual 11 11 1 11 1 1 11 1 2 11 1 3 11 1 4 11 1 5 Helmer Warranty Rel i Product Warranty USA and Canada For technical service needs please contact Helmer at 800 743 5637 or www helmerinc com Be sure to have the model and serial number available 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 i Series model compressor warranty period
110. take precautions to protect items in the refrigerator from extended exposure to adverse temperatures 8 1 Front Front features Left iB120 refrigerator Center iB111 refrigerator Top right Chart recorder and door except 111 model Bottom right 111 model chart recorder and door Label Description Replacement part Label on numbers schematic Temperature chart recorder standard on blood bank 120 V 800026 1 models except iB111 optional on laboratory and 230 V 800026 2 pharmacy models except iLR 111 and iPR111 1 C monitoring and control system See subsequent section s for part numbers Bezel all models except 111 With chart recorder door 400999 1 Without chart recorder door 400998 1 Temperature chart recorder standard on iB111 120 V 800025 1 CA model optional on iLR111 and iPR111 model 230 V 800025 2 Bezel 111 model With chart recorder door 800056 1 Without chart recorder door 800055 1 Chart recorder door assembly 111 model 800070 1 FE Chart recorder door assembly all models except 111 800070 1 Helmer 360127 1 A i Series Models Parts 37 Label Description Replacement part Label on numbers schematic Chart paper 52 sheets 220366 Chart recorder backup battery 120218 Caster swivel with brake 220467 Access Control option A B j Optional Access Control door lock Label Description Replacement part Label on number schematic Access Control car
111. the Up Arrow and Down Arrow buttons for three seconds The MONITOR lamp flashes to indicate program mode is enabled 2 Press and release the SEL button until the desired setting appears If this lamp is flashing Then this setting is selected HIGH TEMP and MONITOR High Temp alarm setpoint LOW TEMP and MONITOR Low Temp alarm setpoint MONITOR only Monitor Offset CONTROL only Control Offset CONTROL only Control Hysteresis 3 Optional To view the value for another setting repeat step 2 4 Press and hold both the Up Arrow and Down Arrow buttons for three seconds The MONITOR lamp stops flashing to indicate an exit from program mode Helmer 360127 1 19 3 19 3 1 Horizon Series Models Settings 99 Changing settings NOTE The Control Offset and Control Hysteresis are factory preset and should not be changed Changing setpoints for chamber temperature alarms The monitoring and control system has alarms which activate if the temperature is too high or too low The setpoints for these alarms may be changed The High Alarm setpoint specifies the temperature at which the High Temperature Alarm should activate If the temperature detected by the upper chamber probe is greater than or equal to this value the alarm activates The default setpoint is 5 5 The setpoint can be changed from 40 0 to 25 0 The Low Alarm setpoint specifies the temperature at which the Low Temperature Alarm should activate If the temper
112. tridge cover Be Access Control door catch door side FENG PE Not Access Control cartridge assembly includes Left hinged door 800020 1 IN shown manual override key Right hinged door 800020 2 360127 1 A Helmer 38 Refrigerator Service Manual 8 1 2 Control system display parts Label Description Replacement part Label on number schematic Interface cable 800010 1 800010 1 Q C Display assembly includes touchscreen display 800041 1 I board interface cable speaker NOTE Although the touchscreen and display board may be replaced independently of the 1 C display assembly Helmer recommends replacing the complete assembly Helmer 360127 1 A i Series Models Parts 39 Top features Label Description Replacement part numbers Label on schematic Condenser probe 800039 1 mn Condenser fan motor 120 V 111 model 120451 120 and 125 models 120467 245 models 120469 230 V 111 model 120561 120 models 120471 245 models 120473 C Compressor 120 V 111 model 800005 1 120 and 125 models 400670 1 245 models 400671 1 230 V 50 Hz 111 model 800005 2 120 and 125 models 400670 2 245 models 40067 1 2 230 V 60 Hz 111 model 800005 3 120 and 125 models 400670 3 245 models 400671 3 Monitoring system backup battery 120628 360127 1 A Helmer 40 Refrigerator Service Manual 8 3 Rear Rear features iB111 model shown Label Description Replacement part numbers Label on
113. ttle 3 Tape the temperature probe to the thermometer and immerse them in the glass of chilled water so their ends are toward the bottom of the glass 360127 1 A Helmer 58 Refrigerator Service Manual 4 Activate the Low Temperature Alarm with this method While constantly stirring the thermometer and probe in the chilled water and watching the temperature on the monitor slowly add ice so the temperature decreases 0 5 9C per minute This is approximately 1 teaspoon 5 ml of ice every 15 to 25 seconds Be sure to keep the end of the thermometer and probe in the lower liguid and not in the upper ice When the temperature reaches the low alarm setpoint an alarm sounds and the temperature reading turns red An event is added to the event log indicating the low temperature alarm was started Note the temperature on the independent thermometer when the alarm was triggered Activate the High Temperature Alarm with this method While constantly stirring the thermometer and probe in the chilled water and watching the temperature on the monitor slowly add warm water so the temperature increases 0 5 9C per minute When the temperature reaches the high alarm setpoint an alarm sounds and the temperature reading turns red An event is added to the event log indicating the high temperature alarm was started The test is complete Note the temperature on the independent thermometer when the alarm was triggered Remove the thermometer and p
114. ty or P Contact Helmer Technical Service internal connections are loose The refrigerator meets The temperature Confirm the temperature monitor controller an alarm condition but monitor controller board board is operating correctly Replace the board the appropriate alarm is is faulty if necessary not active The alarm setpoint was Check the current setpoints for the alarms changed Change the setpoints if necessary A component is faulty or Contact Helmer Technical Service internal connections are loose Helmer 360127 1 A Horizon Series Models Troubleshooting 83 Possible Cause The High Temperature The connections for Test the probe connections Secure the alarm activates when chamber temperature connections if necessary the door is opened then probe are loose clears shortly after the The chamber temperature Test the probe Replace the probe if necessary door is closed probe is faulty The unit cooler fan gt Test the door switch and unit cooler fan continues to run while connections Secure the connections if the door is open necessary Replace the door switch or fan motor if necessary The probe bottles are Check level of product simulation solution in empty the bottles Refill bottles if needed The high temperature Check the setpoint Change the setpoint if alarm setpoint is set too necessary low A component is faulty or Contact Helmer Technical S
115. ual 8 4 2 Unit cooler parts Left Unit cooler single door model shown Right Unit cooler parts Label Description Replacement part numbers Label on schematic Unit cooler assembly 115 V 111 model 120536 120 and 125 models 120594 245 model 120595 230 V 111 model 120553 120 and 125 models 120615 245 model 120616 Unit cooler fan motor 115 V models 120540 E 230 V models 120560 C Temperature control probe includes 800048 1 IT connector Helmer 360127 1 A 8 4 3 i Series Models Parts 45 Storage parts Storage features iPR245 model shown Label Replacement part numbers Not Half shelf includes hardware 120 125 245 and 256 models 400413 1 shown Full shelf includes hardware 111 model 400414 3 120 and 245 models 400414 1 125 and 256 models 400414 2 Roll out basket assembly includes 111 model 400751 1 basket 2 slides and hardware 120 and 245 models 400415 1 125 and 256 models 400415 2 Drawer assembly includes drawer 2 111 model with glass door 400752 1 slides and hardware 120 and 245 models with glass doors 400370 1 125 and 256 models with glass doors 400370 2 111 model with solid door 400752 2 120 and 245 models with solid doors 400370 3 125 and 256 models with solid doors 400370 4 Not Slide kit includes 2 slides 111 model 400753 1 shown 120 and 245 models 400714 1 125 and 256 models 400714 2 Not Bridge shelf 18 depth 400845 1 shown 2
116. urate Verify the probe is reading correctly by comparing the reading to that from an independent thermometer After determining the appropriate temperature change the monitor offset to match the value displayed on the monitor NOTE If the variance is within acceptable limits changing the offset value is optional The monitor offset can be changed to a value from 10 0 C to 10 0 C Obtain An independent thermometer calibrated and traceable per national standards This is used to secure the probe to the thermometer To calibrate the monitor readout 1 Measure the temperature of the probe bottle contents a Remove all probes and the cap from the bottle b Tape the independent thermometer to the temperature probe and replace them in the bottle so their ends are immersed at least 2 inches 50 mm in the solution c Allow the chamber temperature to stabilize for approximately 10 minutes d Obtain the reading from the independent thermometer 2 Determine how to adjust the offset value a Compare the reading from the thermometer to that on the monitor gt Example 1 monitor reading is too high the monitor reading is 5 0 C and the thermometer reading is 4 5 C Example 2 monitor reading is too low the monitor reading is 3 0 C and the thermometer reading is 4 0 C b Determine how much to increase or decrease the offset value to make the monitor reading match the thermometer reading Example 1 decreas
117. xcess slack in the tubing out through the hole in the rear of the chamber o Remove the top drawer basket or shelf from the chamber 6 While holding the unit cooler cover in place to prevent it from dropping use the socket wrench to remove the four screws securing the cover to the unit cooler Gently lower the cover to avoid damaging the unit cooler fan wiring 360127 1 A Helmer 76 Refrigerator Service Manual To reinstall the unit cooler cover 1 In the chamber verify the wiring for the unit cooler fan is connected and routed correctly The wiring should be routed above the copper tube inside the unit cooler If the wires have separated reconnect them the two wires marked with wire ties should be connected to each other 2 Reinstall the unit cooler fan cover Lift the unit cooler cover into place making sure the front of the cover is behind the lip on the unit cooler Using the socket wrench tighten the screws to secure the cover in place Make sure the screws are tight enough so the unit cooler does not move when bumped If the unit cooler is not tightly in place the tubing will be more difficult to install 3 On the rear insert the vinyl tube C through the hole in the refrigerator Push the tube upward at an angle so the end slides over the drain port In the chamber the drain port should be completely covered by the tube AN CAUTION The water evaporation tray and condensate evaporator may be hot 4 In the chamber press th
118. y Power Failure Alarm Time Delay Probe Failure Alarm Time Delay Door Open Time Alarm Time Delay Compressor Temperature Alarm Setpoint Compressor Temperature Alarm Time Delay Chamber Chamber Hysteresis Delay on Start Up Helmer 360127 1 A 10 2 4 10 2 5 10 3 i Series Models Settings 55 Additional defaults for laboratory and pharmacy models This includes laboratory iLR and pharmacy iPR models that were originally set at 2 0 NOTE Defrost event settings are only applicable to laboratory iLR and pharmacy iPR refrigerators 1 Touch Home i C APPS Settings Restore Factory Settings 2 you sure you want to restore factory settings message appears Do one of the following To restore the factory default settings touch the Yes button The message screen closes and the settings are saved cancel restoring factory default settings touch the No button The message screen closes and the settings are not saved Changing factory settings Several of the refrigerator 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 O Toggle the lower temperature probe on or off Lower Probe Alarm Toggle the lower temperature probe alarm on or off Light Icon Toggle the light icon on or off Temperature Controller Page Enable or disable the temperatu

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