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Freezer Service Manual

1. E 8 2 1 Safety DetinitionS ede I eR Y a Fox d ira 8 2 2 ProductLabels x ses acc ae eae eae ee BRE RE RENE Pe A 9 2 39 Avoiding INJURY eR RES 9 4 ConfigUtallOlt ses cd 0 NARRA RARE 10 3 1 Modeland Input POWT 25 5 omoes FER RR Ren den Ra Ue S pte POR AU ERUNT TN 10 3 2 Control Systems oes ath AREE DEN EORR Rd S ad ad aded bol ee ion odes 10 3 2 1 i Series Monitoring System and Independent Temperature 10 3 2 2 Horizon Series Plasma Storage Monitoring System and Independent Temperature Controller 11 3 2 3 Horizon Series Laboratory Monitoring and Control 11 3 9 Temperature Probes Rech cop dod del CR cU CR do UR ecd 12 3 3 1 Fill Temperature Probe 12 3 3 2 Install Additional Probe Through 12 34 Chart Recorder scan gamed Re ERROR A rq RRS AIRE EUR RUE sd ea Seale 12 34 Chart Recorder Access vesc sean b ex res qda Pete Gea wae he ene oe edd d 13 34 2 Ins
2. a dade Bh ad thos URS T 40 10 4 3 EXEO og Re DRILL RUE Vn n Rd d e 40 104L4 INEO iso ak Pea ERA Reade E REAGAN hae REESE RAS 40 10 45 Door Gaskets u uu dde en kk Ba Se REC EROR es ac e I CUR Rd RORIS 41 10 5 Detrostthe Unit Cooler sisse eR RR ceeds 41 360087 1 R Helmer 10 6 Unit Cooler Cover Removal and Installation llis 42 10 6 1 Remove the Unit Cooler Cover 43 10 6 2 Install the Unit Cooler Cover 43 10 7 SUPPISS x uum RI Rn are URS Nus ce a Gos Aas whe 44 11 TroubleshoOolligi 08 9 19 EOD asino cae bo bed 44 11 1 General Operation Problems seste rr ns 44 11 2 Chamber Temperature Problems 00000 els 45 11 3 Alarm Activation Problems cec xr er We ena Ens a es 46 11 4 Testing Problems s 204 eec eee ORAL UR Re D Re RE add IR RR UA 49 11 5 Condensation Problems llllee eee rar 49 12 EE Ea Pes ER ed EU pe eee cte UE LEE 52 12 1 Fronte us sioe exe eG iR e UM AR Red REALE
3. PRX dead 65 15 3 1 Set the Time on the Independent Temperature 66 15 3 2 Set Scheduled Defrost Times llle aa 67 15 4 Move Drawers and Shelves lese leere 68 155 MoveSlidesand Brackets sse ullserucakemu e 49 wea Sa wee wed 69 15 6 Optional Adapter Kits for Medication Dispensing Locks 69 16 Temperature Monitor Settings 00 ccc eee es 70 16 1 Home Screen bete dope end Hee exe d Ra de Eg Eus id aes Ea EE 70 16 1 1 Home Screen FU rnctlols seo sc kam bdo s CES PRECOR S a DE RN RA d e 70 16 2 Main Screen dae nee Pe ead eee add dur e Rus did 71 16 3 Change Configuration Password 2 2 99 595 4 tee 71 16 4 Calibrate Chamber Temperature Probe iilslellleeel eee 72 16 5 Factory Default Settings bk e D eee ee 73 16 6 Restore Factory Default Settings lille ren 73 360087 1 R Helmer 16 7 Settings esset hlci RE MER da ud he bose bate bee dotes eire hdd 73 16 727 Alarm VOUM E a 5a mg po eee di ae Erb o da CT cod d ero ordeo ae dopo 3 16 72 Alam Pulse sereni ERR RR REG dead d ERA EG RR Re EROR E 74 16 7 3 High Chamber Temperature Alam 22 55 lt 5945 55935 tee 74 16 7 4 gt
4. ee ard 86 19 Troubleshooting cd vetusta a E yu RE RET EE ERO eee ch eee RS d 86 19 1 General Operation Problems 5 54 eer 86 19 2 Chamber Temperature Problems s iai 204 254 2 eee eee 87 19 3 Alarm Activation Problems 2 e banned Pees hace db bode bed ob qud EU 88 19 4 Condensation Problems 91 iE AUS a al ow she ae la aac Be ee a 93 20 1 on dte qu du nang 93 20 1 1 Bisplay oss tr etre XR RISE Rabe RR CR OR lathe eR sos ee 94 20 2 se oh es 95 20 3 ROSE edd 96 20 3 1 Electrical BOX LERRA Kates RES ER xS RN EEG ra Rd 97 360087 1 R Helmer 20 4 IMENO sso cd hdanrdesheadeaadnee ander he heme deus db eed sede Gada danse ed 98 204 1 nit Coolers dea moerore cote tedio euet eund eee utes iter ter Ech at eee eee 99 20 4 2 StOIaget cas Bien eae Read wa Eua E GU E EE 100 20 4 3 Door
5. 360087 1 R 93 Horizon Series Plasma Storage Models 20 1 1 Display 12 18 2003 300c 00000 Left Display assembly showing LCD and touchpad Right Display board Label Description Part Number aries us A LCD board 120452 K B Touchpad 3207 22 1 K C Display board Included in the control and display board kit K D Interface cable 400502 1 AF Not Display assembly Includes LCD 400509 1 K shown board and touchpad NOTICE The Horizon Series display assembly is sensitive to static electricity and can be damaged by electrostatic discharge Use proper ESD precautions when handling the display assembly NOTE Although the LCD display and touchpad may be replaced individually Helmer recommends replacing the entire display assembly 360087 1 R 94 Top features HPF120 4 model shown Horizon Series Plasma Storage Models Label Description Part Number Peeve A Monitoring system backup batteries 715031 AE B Compressor unit Contact Helmer Technical Service A Not Condensing unit fan motor 230 V 60 Hz 120493 U shown 230 V 50 Hz 120515 Solenoid valve 220547 Y Solenoid coil 120647 AJ 95 360087 1 R Helmer 20 3 360087 1 R Rear gt Rear features 120 4 model shown Horizon Series Plasma Storage Models Label Description Part Number External drai
6. 114 Helmer Horizon Series Laboratory and International Plasma Storage Models 24 4 3 24 5 24 5 1 24 5 2 360087 1 R Hysteresis gt Default setpoint is 2 0 C gt Allowable temperature variance on each side of the freezer setpoint NOTICE Hysteresis is factory preset and should not be changed unless directed by Helmer Technical Service Test Alarms Test alarms to ensure they are working correctly The freezer has alarms for chamber temperature power failure and door open time NOTICE Before testing alarms protect items in freezer from extended exposure to adverse temperature Chamber Temperature Alarm gt Independent thermometer calibrated and traceable per national standards gt 1 402 120 mL glass of product simulation solution 1 1 ratio of water to propylene glycol or equivalent low temperature fluid NOTICE Temperature probes are fragile handle with care Test the high alarm 1 Identify setting for high alarm setpoint 2 Immerse the independent thermometer in the glass of product simulation solution 3 Place the glass in the freezer and close the door 4 When the glass contents have stabilized at the chamber temperature remove the glass from the freezer 5 While stirring probe in product simulation solution allow the glass contents to warm up to room temperature and observe the temperature on the monitor 6 When high temperature alarm is activated note the tem
7. Helmer i Series amp All Models 8 13 8 15 9 1 360087 1 R Upgrade System Firmware Helmer may occasionally issue updates for the i Center firmware Follow upgrade instructions included with the firmware update Reset the i Center Monitoring System 1 Remove 1 battery from the monitoring system backup battery holder 2 Switch the AC ON OFF switch OFF 3 Switch the AC ON OFF switch ON 4 Reinstall the battery in the monitoring system backup battery holder View Manufacturer and Product Information 1 Press the MAIN button 2 Press the INC or DEC buttons to select the Product Company Information option Press the SELECT button gt Manufacturer contact information appears gt Software version appears Temperature Controller Setpoints Independent temperature controller The temperature controller is located in the electrical box on the back of the freezer Temperature controller setpoints are programmed at the factory Setpoints can be viewed and changed through the temperature controller Change the Freezer Setpoint NOTICE Do not change the setpoint to a value outside the temperature control range NOTE gt Default setpoint is 32 0 C which causes the freezer to maintain a temperature of 30 0 C gt When there is no interaction for four minutes the temperature controller exits program mode and returns to normal mode gt The reference temperature displayed on the temperature controller m
8. Label Description Part Number E A LCD board 120452 K B Touchpad 320722 1 K C Display board Included in the control and display board kit K D Interface cable 400502 1 AF Not Display assembly Includes LCD 400509 1 K shown board and touchpad NOTICE The i Center display assembly is sensitive to static electricity and can be damaged by electrostatic discharge Use proper ESD precautions when handling the display assembly NOTE Although the LCD display and touchpad may be replaced individually Helmer recommends replacing the entire display assembly 360087 1 R 53 i Series amp All Models Label Description Part Number Monitoring system backup batteries 715031 AE B Compressor unit Contact Helmer Technical Service A Not Condensing unit fan motor 230 V 60 Hz 120493 U shown 230 V 50 Hz 120515 Condenser probe with connector 400674 1 AC Solenoid valve 220547 Solenoid coil 120647 AJ 54 360087 1 R Helmer 12 3 360087 1 R Rear gt Rear features iPF120 4 model shown i Series amp AII Models Label Description Part Number External drain line fan 120511 Z B Drain line heater 120485 Electrical box Refer to subsequent section s for part numbers D Condensate evaporator kit Includes 400790 2 J the condensate evaporator and water evaporation tray E Main power switch 120478 Q F Circuit br
9. tee eee ewes eae teste 111 24 1 Monitor and Controller Interface 2 0 ee s 111 24 2 Freezer Setpoint 14s dds ee eee Addo eee Red Red a dee R GR 112 24 3 Temperature Alarm Setpoints 112 24 3 1 High Temperature Alarm 0 ttt 113 24 3 2 Low Temperature Alarm 0 000 ccc rs 113 24 4 Temperature Calibration Setpoints 0 0 0 0 00 eee 113 24 4 1 Monitor Offset nieu 23 wean ex eee ee eae Pa ee ae ES ERE Rd 114 24 4 2 Control S nsor Offset ek PA En we vedi ed Ct e PI RE DE a 5 114 24 4 3 ica os D RARO ME ARR REG ERU AREE REGARDE ETATE R A 115 24 5 Test AIaFtns ea QUT Sa Ced Cl d LC RR 115 24 5 1 Chamber Temperature Alarm a accise cerne ad 115 24 5 2 Power Fall re AIartmi o icio EE eo e HE Ree C rte ER EROR eed a Vo s 115 24 5 3 DoorOpen Alarm leen 116 25 Maititenall6B xu und dk 50000 0040 RR RR RR RADAR ACER AC ODS RO RC RR UR RR IRR RA 116 25 1 Recharge Refrigerant Rp PG des GRE ee a ae Pe ch 116 25 2 Test Monitoring System Backup n 117 25 3 Replace Monitoring system Backup 117 25 4 Olean tlie ae Yee edet eco ace IPC U
10. Connect to Remote Alarm Interface 1 Switch the AC ON OFF switch OFF Remove one battery from the monitoring system backup battery holder 2 On back of freezer locate the remote alarm terminals 3 Connect remote alarm wires to appropriate terminals according to requirements for your alarm system 4 Use a cable tie to relieve strain on alarm wires as necessary 5 Reinstall the battery in the monitoring system backup battery holder Switch the AC ON OFF switch ON 6 Touch MUTE to disable the high temperature alarm while freezer reaches operating temperature Automatic Defrost Cycle The number of programmed defrost events is dependent on environmental conditions and the frequency of usage The recommended number of daily defrost cycles is three to four at even intervals Defrost events should take place when the freezer door is opened infrequently NOTE Depending on the high temperature alarm setpoint and the actual temperature increase during the defrost cycle frequent door openings may trigger repeated high temperature alarms The independent temperature controller is located in the electrical box on the back of the freezer The controller can execute a maximum of four defrost events per day Specify the number of defrost events per day and the execution times The timing is based on the current time setting on the independent temperature controller 65 Horizon Series Plasma Storage Models 15 3 1 3600
11. Helmer I E NT I Freezer Service Manual i Series and Horizon Series Model Group i Series Horizon Series Plasma Storage iPF120 4 iPF120 8 iPF125 4 iPF125 8 HPF120 4 HPF120 8 HPF125 4 HPF125 8 iHPF120 4 iHPF 120 8 iHPF125 4 iHPF125 8 HHPF120 4 HHPF120 8 HHPF125 4 HHPF125 8 Laboratory iLF120 iLF125 HLF120 HLF125 HELMER SCIENTIFIC 14400 Bergen Boulevard Noblesville IN 46060 USA PH 1 317 773 9073 FAX 1 317 773 9082 9986 USA and Canada 800 743 5637 360087 1 R ISO 13485 2003 CERTIFIED Helmer Document History Revision Date Supersession Revision Description R supersedes A B C D E F T NP 02 2014 9415 GHIJKL Revised layout for ease of navigation and locating information M N O P Q Date submitted for Change Order review Actual release date may vary 360087 1 R Helmer Contents Section 1 General 1 8 About this RR RC dete bee US DR n eas ee ad eee 8 1 4 Intended Audiences 14 40 a5 22 4008 244 donee vende beds 8 12 Model References ioi etae riu So ona ced bee WE ER CURE Resa eee a ERRARE E RR AR SEAS 8 1 3 Copyright and Trademark 2 20 04 cee a e ege a ea 8 URR u cU
12. gt Maximum drawer or shelf load is 100 Ibs 46 kg NOTICE Before moving storage components protect stored items in freezer from extended exposure to adverse temperature Remove a drawer 1 Pull drawer out until it stops 2 Tilt the front of the drawer upward 3 Pull drawer free of the slides Install a drawer 1 Tiltthe front of the drawer upward 2 Set the wheels of the drawer in the slides in the cabinet 3 Lower the front of the drawer 4 Gently push the drawer into the chamber until it stops 5 Pull drawer out until it stops check for smooth operation Remove a shelf 1 With one hand lift front edge of the shelf from the front brackets 2 With the other hand reach under the shelf and bump rear edge of the shelf upward to disengage rear brackets Install a shelf 1 Insert shelf into chamber placing it on brackets 2 Gently bump rear edge of the shelf downward to engage brackets 3 Pulling shelf forward gently shelf should not disengage from rear brackets 21 Helmer 7 5 7 6 360087 1 R Move Slides and Brackets Remove drawer slides 1 Using a screwdriver remove front bracket retainers 2 Tap front brackets upward to disengage standards 3 Remove slides from standards Install drawer slides 1 Insert slides into standard at appropriate height 2 Tap front brackets downward to engage standards 3 Using a screwdriver install front bracket retainers Remove shelf brackets 1 U
13. CONTROL PROBE amp AB UPPER CHAMBER PROBE 22 MONITOR CONTROL END OF MANUAL 360087 1 R HEATER LIMIT THERMOSTAT TERMINAL STRIPS 1 EXTERNAL DRAIN FAN 2 USED 3 POWER LINE FILTER 7 NOT USED 8 DRAIN LINE HEATER 9 MULLION HEATER 10 NOT USED 11 NOT USED 1 POWER CORD L BOARD 4DEFROST CONTROLLER POWER LINE FILTER 5 TEMP CONTROL TRANSFORMER 6 CHART RECORDER TRANSFORMER 12 CONDENSATE EVAPORATOR UNIT COOLER F CONTROLLER DOOR 12 NOCNC EH E E 2 2 z um g DEFROST 1 EXTERNAL DRAIN FAN 2 USED 3 POWER LINE FILTER 4 DEFROST CONTROLLER 5 TEMP CONTROL TRANSFORMER 6 CHART RECORDER TRANSFORMER 7 COMPRESSOR 8 DRAIN LINE HEATER 9 MULLION HEATER 10 NOT USED 11 NOT USED 12 CONDENSATE EVAPORATOR TEMP CONTROL 2 9 E TRANSFORMER 125 REMOTE nc ALARM INTERFACE AE MONITOR BACKUP BATTERY optional feature BACKUP BATTERY AD CHART CHART RECORDER RECORDER TRANSFORMER Al CHART RECORDER PROBE AJ SOLENOID COIL Y SOLENOID VALVE U CONDENSING DAMO KE A COMPRESSOR DRAIN FAN J CONDENSATE Z EXTERNAL EVAPORATOR C MULLION HEATER O DRAIN LINE HEATER NWA L2 135 HELMER SCIENTIFIC 14400 Bergen Boulevard No
14. Control board is faulty gt Replace parts with those included in the control and display board kit Alarm buzzer is faulty gt Replace the alarm buzzer 46 Helmer Problem Possible Cause i Series All Models Action Freezer meets an alarm condition but the appropriate alarm Control board is faulty gt Replace parts with those included in the control and display board kit Alarm setpoint was gt Check the current setpoints for the alarms is not active changed Change the setpoints if necessary A component is gt Contact a qualified service technician faulty or internal connections are loose Alarm monitor is not Digital electronics are gt Reset the monitoring system responding locked because of an interruption in power Chamber temperature High temperature gt Check the current setpoint for the high temperature meets the high alarm alarm setpoint was alarm Change the setpoint if necessary condition but the high changed temperature alarm is not active High Temperature Connections for the gt Test the probe connections Secure the alarm activates when chamber temperature connections if necessary the door is opened probe are loose then clears shortly Chamber temperature Test the probe Replace the probe if necessary sid d door is probe is faulty TESTIS Unit cooler fan gt Test the door switch and unit cool
15. ROI a DER 80 17 2 Change the Hysteresis Value DU EEUU Ben AUC d doi dO EAD dn d gut 81 18 dar dean CR CR UE o ofr i ae 81 18 1 Recharge Refrig rant vo do tae gata aa epee ea Pee i RES RETE bee ERR 81 18 2 Test Monitoring System Backup Batteries 0 20 0 llli es 82 18 3 Replace Monitoring System Backup Batteries llle 82 18 4 Clean the Freezer lille hh 82 18 4 1 GCondenser Grill xe e sem EG RG bark xr dU 82 18 4 2 External Draini Line Fan PA EE XE dd 82 18 4 3 EXEO oe rore HOHER e rede o ren eod D e eed TERT E nno Ear Oro Ue 82 19 4 4 Interior A RU Rn RARO EGO NOR ORE 82 19 4 5 Door Gaskets iue ceste nma pude Eee nb SURE a Edu NER SE e ER Wu 82 18 5 Defrost the Unit Cooler LERRA GU pp ee eS 83 18 6 Unit Cooler Cover Removal and 84 18 6 1 Remove the Unit Cooler Cover 85 18 6 2 Install the Unit Cooler Cover 85 18 7 50
16. Reinstall the cover on the electrical box Switch the AC ON OFF switch ON Turn the Alarm Disable key switch ON Press the Mute button to disable the high temperature alarm while freezer reaches operating temperature Defrost controller with defrost times set to On position at 12 00 AM 8 00 AM and 4 00 PM 108 Horizon Series Laboratory and International Plasma Storage Models 23 4 360087 1 R Move Drawers Shelves and Baskets Storage features CAUTION gt Keep hands away from pinch points when closing the door Before moving drawers ensure they are completely empty for safe lifting Maximum drawer or shelf load is 100 Ibs 46 kg NOTICE Before moving storage components protect stored items in freezer from extended exposure to adverse temperature Remove a drawer 1 Pull drawer out until it stops 2 Tilt the front of the drawer upward 3 Pull drawer free of the slides Install a drawer 1 Tiltthe front of the drawer upward 2 Set the wheels of the drawer in the slides in the cabinet 3 Lower the front of the drawer 4 Gently push the drawer into the chamber until it stops 5 Pull drawer out until it stops check for smooth operation Remove a shelf 1 With one hand lift front edge of the shelf from the front brackets 2 With the other hand reach under the shelf and bump rear edge of the shelf upward to disengage rear brackets Install a shelf 1 Insert shel
17. gt 1 1 ratio of water to propylene glycol or equivalent low temperature fluid Clean and refill bottle Remove probe from bottle Remove bottle from bracket Clean bottle with water bleach solution Fill bottle with 4 oz 120 mL of product simulation solution Cap bottle tightly to minimize evaporation Place bottle in bracket Replace probe immersing at least 2 50 mm NO WN Defrost the Unit Cooler Defrost cycles are programed to occur at specific times A defrost cycle can be manually initiated outside of the programmed defrost times as described below Independent temperature controller defrost lamp circled Start a defrost event On the independent temperature controller press the P button to access the parameter menu is displayed Press the DOWN arrow button until P37 is displayed Press the P button Press the UP arrow button to start the defrost event gt The defrost lamp illuminates gt The defrost icon on the i Center monitoring system is displayed gt The defrost event is started 5 stop the defrost event do one of the following a Press the DOWN arrow button or b The defrost event will stop when the defrost cycle is complete gt 83 Horizon Series Plasma Storage Models 18 6 360087 1 R Unit Cooler Cover Removal and Installation If unit cooler cover is not removed as detailed in this procedure the drain port may b
18. 19 3 360087 1 R Problem Possible Cause Horizon Series Plasma Storage Models Action Chamber temperature does not stabilize at the freezer setpoint Solid state relay is faulty gt Confirm the relay is operating correctly Replace the relay if necessary Temperature defrost controller is faulty gt Confirm the monitor control board or temperature defrost controller is operating correctly Replace the board or controller if necessary Compressor fan is not running Check the compressor fan connections Replace the fan motor if necessary Unit cooler fan is not running Activate the door switch then check the voltage to the fan Replace the fan motor or door switch if necessary Refrigerant level is too gt Check the refrigerant level Recharge the low refrigerant if necessary Compressor motor gt Replace the compressor has seized Temperature control gt Confirm the probe is providing resistance in the probe is faulty range of 1191 O to 2000 O Replace the probe if necessary Condenser grill is gt Check the condenser grill Clean it if necessary dirty Circulation at the top Check if there are any items that may obstruct air of the chamber is not flow and remove them if necessary adequate gt Check the unit cooler fan is working If the fan is not working contact a qualified service technician Ambient air gt Confirm t
19. 360087 1 R i Series All Models Event Details UENT LOG DETAIL Alarm Reset No Battery Alarm 11 11 05 8 36AM Ipper Temp 30 Lover Temp 30 Condenser Temp 28 4 HOME BACK Event Log Detail screen Label Description A Event number Event type Alarm type Date and time of event Upper chamber probe temperature at time of event Lower chamber probe temperature at time of event Condenser temperature at time of event View an event 1 Press the MAIN button 2 Press the DOWN button to highlight Event Log Press the SELECT button 3 From the Event Log screen press the UP or DOWN buttons to highlight the desired event number Press the SELECT button gt The Event Log Detail screen for the selected event is displayed 4 Press the BACK button to return to the Event Log screen or press the HOME button to exit NOTE If the event is highlighted the alarm for that event was caused by a system self test initiated by an operator Defrost Log The Defrost Log screen displays information about the previous 50 defrost events View a defrost event 1 Press the MAIN button gt Logs is highlighted Press the SELECT button gt Event Log is highlighted Press the DOWN button to highlight Defrost Log Press the SELECT button gt The Defrost Log screen is displayed 36 Helmer i Series amp All Models The followi
20. Door Ajar Alarm vosu aban UCET A A A a Pe de 74 16 7 5 Power Failure Alamis eee eee aaa 5 16 7 6 ChartPaper Alarm ius ez brem RR REX OR Rae SACR DRUSI oe 75 16 8 TestAlarmmS iusso Rr AERE EXRICSEZ CY S ER bd Sida a 443 AGE EC 76 16 8 1 Manual Chamber Alarm Test 0 0 eee eee eee eee 76 16 8 2 Power Failure Alarm 77 16 9 3 DoorAjar Alarm Test gt wed ee iw ERRARE ERE Au NERO eda 77 16 9 Additional System Settings oss rererua nsr esarion eE gT ORAE rrr 77 16 941 Screen Contrast iz comede rr aa a Ere d day eta aa ys Se i a doe at 77 16 9 2 Date and Time illi ERE taki parre E 78 16 9 3 Display Eang age idisse ll ee eb Pada ed ERREUR ERA RE ER 78 16 9 4 Temperature Units sas y n Rh Rx XR Eee n s CERO EE eR RR 79 16 10 Upgrade System Firmware 0 0 00 cc 79 16 11 Reset the Horizon Series Monitoring 79 16 12 View Manufacturer and Product 79 17 Temperature Controller Setpoints 80 17 1 Change the Freezer Setpoint ede one eet
21. Plasma Storage Models 16 9 4 16 10 16 11 16 12 360087 1 R Temperature Units Available options are Celsius or Fahrenheit F The default temperature unit is Celsius Change temperature units Press the MAIN button Press the DOWN button to highlight Edit Configuration Press the SELECT button Enter the password when prompted Press the DOWN button to highlight System Options Press the SELECT button Press the DOWN button to highlight Temperature Units Press the INC or DEC buttons to select the desired temperature units Press the BACK button to return to the Edit Configuration screen or press the HOME button to exit The new setting is saved ah WN Upgrade System Firmware Helmer may occasionally issue updates for the Horizon Series monitoring system firmware Follow upgrade instructions included with the firmware update Reset the Horizon Series Monitoring System 1 Remove 1 battery from the monitoring system backup battery holder 2 Switch the AC ON OFF switch OFF 3 Switch the AC ON OFF switch ON 4 Reinstall the battery in the monitoring system backup battery holder View Manufacturer and Product Information 1 Press the MAIN button 2 Press the INC or DEC buttons to select the Product Company Information option Press the SELECT button gt Manufacturer contact information appears gt Software version appears 79 Horizon Series Plasma Storage Models 17 Te
22. Schematic Label Description Part Number Label A Unit cooler fan blade Serial number 982859 and earlier 220447 Serial number 982860 and later 220497 B Temperature control probe 400511 1 G C Defrost heater Serial number 982859 and earlier 120494 R Serial number 982860 and later 120567 D Defrost heater limit thermostat Serial number 982859 and earlier 120492 S Serial number 982860 and later 120566 E TXV expansion valve 220495 F Fan delay for defrost termination Serial number 982859 and earlier 120496 thermostat HLF models Serial number 982860 and later 120568 Not Unit cooler fan motor Serial number 982859 and earlier 120497 H shown Serial number 982860 and later 120548 NOTE gt Some freezers will include a capillary tube in place of the valve gt The part number for the capillary tube is 211117 1 360087 1 R 132 Horizon Series Laboratory and International Plasma Storage Models 27 4 2 Storage Storage features HHPF120 4 model shown Label Description Part Number A Full shelf includes hardware 120 models 400414 1 125 models 400414 2 B Drawer assembly includes drawer 2 slides and 120 models 400584 2 hardware 125 models 400584 1 Not Drawer slide assembly right side 120 models 400541 3 shown 125 models 400541 1 Drawer slide assembly left side 120 models 400541 4 125 models 400541 2 Roll out basket assembly optional includes 120 m
23. chamber temperature probe are loose gt Test the probe connections Secure the connections if necessary Temperature probe wiring is an open circuit gt Check the continuity of the probe wiring Replace the probe if necessary Probe bottles are empty or the amount of solution is too low gt Check the level of product simulation solution in the bottles Clean and refill the bottles if needed Monitor is not calibrated gt Confirm the upper temperature probe is reading correctly Calibrate the probe if necessary Solution in the probe bottle is frozen gt Refill the bottle with new solution Digital electronics are locked because of an interruption in power gt Reset the monitoring system A component is faulty or internal connections are loose gt Contact a qualified service technician Compressor runs continuously Freezer setpoint is set too low gt Confirm the setpoint is set within the operating range Change the setpoint if necessary Temperature control probe is faulty gt Confirm the probe is providing resistance in the range of 1191 O to 2000 O Replace the probe if necessary Temperature controller is faulty gt Confirm the temperature controller is operating correctly Replace the board s if necessary Solid state relay is faulty gt Confirm the relay is operating correctly Replace it if necessary 87 Helmer
24. could result in minor or moderate injury NOTICE The safety statement that follows this safety alert symbol indicates a situation which if 360087 1 R not avoided could result in damage to the product or stored inventory Helmer Product Labels 2 2 2 3 360087 1 R General Information Caution Risk of damage mom Caution Unlock all casters s BEFORE PUSHING to equipment or danger to operator Caution Hot surface Earth ground terminal Caution Shock electrical Protective earth ground hazard terminal Avoiding Injury vvv Review safety instructions before installing using or maintaining the equipment Before moving unit ensure door is closed and casters are unlocked and free of debris Before moving unit disconnect the AC power cord and secure the cord Never physically restrict any moving component Avoid removing electrical service panels and access panels unless so instructed Keep hands away from pinch points when closing the door Avoid sharp edges when working inside the electrical compartment and refrigeration compartment Ensure biological materials are stored at recommended temperatures determined by standards literature or good laboratory practices Proceed with caution when adding and removing samples from the freezer Use supplied power cord only Using the equipment in a manner not specified by Helmer Scientific may impair the protection pr
25. gt Check for ice buildup on the evaporator Shine a evaporator in the unit cooler is not working flashlight into the fan opening on the unit cooler and check for ice buildup Also feel behind the unit cooler for ice buildup If there is significant ice buildup in either area defrost the freezer 51 Helmer 12 NOTICE 12 1 360087 1 R Parts i Series All Models v temperature Before replacing parts protect items in freezer from extended exposure to adverse gt Allow freezer temperature to stabilize at setpoint after replacing parts or after extended door opening Front HELMERA Front features iPF120 4 model shown Schematic Label Description Part Number Label A Bezel with chart recorder door Contact Helmer Technical Service B Chart recorder door Contact Helmer Technical Service C i Center display Refer to subsequent section s for part K numbers D Chart recorder 400409 5 X E Chart paper 52 sheets 220419 F Chart recorder backup battery 120218 AD 9 V alkaline non rechargeable Not Caster swivel with brake Serial number 974891 and earlier 220380 shown Serial number 974892 and later 220467 52 Helmer i Series amp All Models 12 1 1 Display 12 18 2003 1 2 300 i Louer Temp 30 0 C MAIN MUTE 0000 i Left Display assembly showing LCD and touchpad Right Display board
26. handle with care Test the high alarm 1 Identify setting for high alarm setpoint 2 Immerse the independent thermometer in the glass of product simulation solution 3 Place the glass in the freezer and close the door 4 When the glass contents have stabilized at the chamber temperature remove the glass from the freezer 5 While stirring probe in product simulation solution allow the glass contents to warm up to room temperature and observe the temperature on the monitor 6 When high temperature alarm is activated note the temperature on the independent thermometer 7 Remove the probe from the glass 8 Place probe in probe bottle immersing it at least 2 50mm 8 9 3 Power Failure Alarm Test 360087 1 R NOTE gt During a power failure the power failure alarm activates and the batteries provide power to the monitoring system gt power fails the backup batteries will allow for continued data collection and temperature display gt Ifthe backup batteries fail data is not collected and the temperature is not displayed gt When power is restored the 24 hours of data prior to the power loss are retained in the system memory Stored temperature data is displayed on the graph and the monitoring system resumes data collection and display Confirm the freezer is connected to AC power Ensure the monitoring system backup batteries are installed Change Power Failure Timeout setting to 0 minutes Press th
27. with ice and is not exchanging heat gt Check for ice buildup on the evaporator Shine a flashlight into the fan opening on the unit cooler and check for ice buildup Also feel behind the unit cooler for ice buildup If there is significant ice buildup in either area defrost the freezer Excessive humidity on the door Humid air is entering the chamber gt Confirm the freezer is level and the door is aligned closing tightly and sealing correctly Correct issues as necessary Relative humidity around the freezer is too high gt Confirm the freezer is placed appropriately 91 Helmer 360087 1 R Problem Possible Cause Horizon Series Plasma Storage Models Action After defrosting no water flows into the water evaporation tray Drain line heater is faulty gt Confirm the connections are secure Tighten the connections if necessary gt Confirm the drain line heater is warm to the touch Replace the heater if necessary Defrost heater the gt After defrosting the freezer monitor the evaporator evaporator in the unit for repeated ice buildup cooler is faulty gt Confirm the connections are secure Tighten the connections if necessary gt Confirm the drain line heater is hot and is drawing the appropriate current during a defrost event approximately 3 9 A to 5 5 A gt Replace the heater if necessary Not enough time has Wait until app
28. A a Hold unit cooler cover in place to prevent it from dropping b Use the socket wrench to remove four screws securing the unit cooler cover c Carefully lower unit cooler cover to avoid damage to the fan wiring Install the Unit Cooler Cover 1 Verify unit cooler wiring is connected and routed correctly a Wiring should be routed above copper tube inside the unit cooler b Reconnect wires if they have separated Attach unit cooler cover a Lift unit cooler cover into place b Front edge of the cover should be behind the unit cooler case Use the socket wrench to install four screws to secure the unit cooler cover Insert the drain tube and drain hose through the hole in the cabinet a Push drain tube and drain hose upward at an angle toward the unit cooler drain port b Pivot the drain tube and drain hose downward then push the assembly upward c Inthe chamber push the drain hose onto the drain hose Attach the drain tube to the fan tube Insert the drain line heater in the drain tube a Insert the heater at an upward angle b The black heating element should no longer be visible On the back of the cabinet press putty around the drain tube and drain line heater 120 Helmer Reinstall top drawer basket or shelf 25 6 26 26 1 360087 1 R Horizon Series Laboratory and International Plasma Storage Models NOTE For HHPF models reinstall the Cold Shield panel 8 Reattach the pip
29. DEFROST CONTROL XFMR BREAKERS 6 CHART RECORDER TRANSFORMER 7 TEMP DEFROST CONTROLLER LINE L1 Q MAIN POWER SWITCH 8 DRAIN LINE HEATER H H S zi E ES D z H 9 MULLION HEATER o o o o o o o o o 10 NOT USED ioronononenoneneneneo o 11 NOT USED o 12 CONDENSATE EVAPORATOR AK POWER NEUTRAL 6 CHART RECORDER TRANSFORMER 8 DRAIN LINE HEATER 9 MULLION HEATER 10 UNIT COOLER 11 NOT USED I 7 COMPRESSOR 1 12 CONDENSATE EVAPORATOR I AD CHART CHART RECORDER RECORDER LINE FILTER BACKUP TRANSFORMER 12 BATTERY 26529 CONDENSING 12 l 7 B poggi UNITFAN 1 oT GS 2 22855 MOTOR AG UNIT COOLER Fi L12 ol o A COMPRESSOR AA ME UTE AJ SOLENOID Y SOLENOID VALVE f i B HEATER 1 m TEMPERATURE DRAIN FAN Neg H UNIT TEMPERATURE CONTROLLER COOLER FAN DEFROST TRANSFORMER 7 S DEFROST 2 I L17 HEATER LIMIT THERMOSTAT HEF compressor UNIT COOLER M DEFROST Im DISPLAY CONTROL Hs ASSEMBLY s 2 ER PROBE ZO pee L 1 100000 AF INTERFACE CABLE DOOR SWITCH REMOTE ALARM INTERFACE N NO COM E CONTROL BOARD D
30. G TEMPERATURE CONTROL PROBE J CONDENSATE EVAPORATOR C MULLION HEATER DW O DRAIN LINE HEATER 61 Helmer 14 i Center Screen Reference HOME screen MAIN button MAIN screen MUTE button changes mute timer MAIN screen Event Log option Press the SELECT button EVENT LOG screen System Alarm Test amp Status option SYSTEM ALARM TEST amp STATUS screen Edit Configuration option Enter the password CONFIGURATION screen View Configuration option VIEW CONFIGURATION screen Product Company Information option INFORMATION screen i Help Index option i Help screen EVENT LOG screen EVENT LOG DETAIL screen SYSTEM ALARM TEST amp STATUS screen Start High Alarm Auto Test option Cancel High Test option Chart Paper Days Left or Chart Paper Timer display Door Status display Condenser Temp display CONFIGURATION screen Set Date amp Time option SET DATE amp TIME screen System Options option SYSTEM OPTIONS screen Alarm Setpoints option SET ALARM SETPOINT screen Temperature Calibration option TEMPERATURE CALIBRATION screen Factory Default Settings option FACTORY DEFAULT SETTINGS screen Change Password option Enter a new password 360087 1 R i Series All Models 62 Helmer SYSTEM OPTIONS screen 360087 1 R Language option Date Format option Alarm Volume option Alarm Pulse option Temperature Units option Chart Paper Timer option SET ALARM SETPOINT screen
31. High Alarm Setpoint option Cond Alarm Setpoint option Door Ajar Timeout option Power Failure Timeout option Temperature Graph option TEMPERATURE CALIBRATION screen Select Temp Probe option Temperature option VIEW CONFIGURATION screen Clock Mode display Date Format display Door Ajar Timeout display Pwr Failure Timeout display High Alarm Setpoint display Cond Alarm Setpoint display Alarm Volume display Alarm Pulse display Chart Paper Days Left or Chart Paper Timer display Temperature Graph display i Series All Models 63 Horizon Series Plasma Storage Models Section Ill Horizon Series Plasma Storage Models 15 15 1 360087 1 R NOTE This section applies to HPF models Product Configuration Install Batteries for Backup Power The monitoring system and chart recorder each have a battery system enabling a period of continuous operation if power is lost NOTE The monitoring system will not start on battery power alone If the freezer was previously not connected to AC power and the batteries are installed the monitoring system will not run 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 NOTICE When installing replacement batteries use only batteries which meets the specifi
32. Possible Cause Action Door Open alarm is activating sporadically Door is not closing completely gt Confirm the door is aligned and the hinge cams are not damaged Replace if necessary Door is closing but not gt Confirm the door gasket seals completely sealing completely Replace the door gasket if necessary Connections for the gt Test the switch connections Secure the door switch are faulty connections if necessary Door switch is faulty gt Replace the door switch A component is gt Contact a qualified service technician faulty or internal connections are loose All alarms are Alarm system is faulty gt Confirm the circuit board and line connections are activating sporadically functioning correctly A component is gt Contact a qualified service technician faulty or internal connections are loose An alarm activated Temperature changed gt No action needed but the temperature slightly around the recorded at activation time of activation does not match the alarm setpoint High Temperature Upper chamber gt Confirm the probe bottle is full of solution and the alarm is activating temperature probe is probe is placed in it correctly sporadically not immersed in the product simulation solution A component is gt Contact a qualified service technician faulty or internal connections are loose Upper chamber gt Confirm the upper temperature probe
33. Press the SELECT button Press the DOWN button to highlight Alarm Volume Press the INC or DEC buttons to change the setting Press the BACK button to return to the Edit Configuration screen or press the HOME button to exit The new settings are saved NO oh WD 360087 1 R 73 Helmer Horizon Series Plasma Storage Models 16 7 2 16 7 3 16 7 4 360087 1 R Alarm Pulse The alarm pattern can be changed This is useful if several freezers with alarms are collocated and distinguishing the source of the alarm quickly is desirable gt Default setting is Single gt Setting can be changed between Single Double Triple and Constant Change the alarm pulse Press the MAIN button Press the DOWN button to highlight Edit Configuration Press the SELECT button Enter the password when prompted Press the DOWN button to highlight System Options Press the SELECT button Press the DOWN button to highlight Alarm Pulse Press the INC or DEC buttons to change the setting Press the BACK button to return to the Edit Configuration screen or press the HOME button to exit The new settings are saved NO High Chamber Temperature Alarm The High Alarm setpoint specifies the temperature at which the High Temperature Alarm activates If the temperature detected by the chamber probe is greater than or equal to this value the alarm activates gt Default setpoint is 20 0 C gt Setpoint can be changed fro
34. R A V R A Condenser temperature A V Low battery V No battery A V R AC power failure A V R A V R A Change chart paper V V 5 Compliance 5 1 Regulatory Compliance This device complies with the requirements of directive 93 42 EEC concerning C Medical Devices as amended by 2007 47 EC Sound level is less than 70 dB A 0086 Emergo Europe EC Molenstraat 15 2513 BH The Hague Netherlands 5 2 WEEE Compliance The WEEE waste electrical and electronic equipment symbol right indicates compliance with European Union Directive WEEE 2002 96 EC and applicable provisions The directive sets requirements for labeling and disposal of certain products in affected countries When disposing of this product in countries affected by this directive gt Do not dispose of this product as unsorted municipal waste gt Collect this product separately gt Use collection and return systems available locally For more information on the return recovery or recycling of this product contact your local distributor 360087 1 R 14 Helmer General Information 6 6 1 360087 1 R Warranty Rel i Product Warranty USA and Canada For technical service needs please contact Helmer at 800 743 5637 or www helmerinc com Have the model and serial number available when calling Rapid Resolution When a warranty issue arises it is our desire to respond quickly and appropriately The service
35. Unit Cooler Left Unit cooler Right Unit cooler parts Ere Schematic Label Description Part Number Label A Unit cooler fan blade Serial number 982859 and earlier 220447 Serial number 982860 and later 220497 B Temperature control probe 120495 G C Defrost heater Serial number 982859 and earlier 120494 R Serial number 982860 and later 120567 D Defrost control probe 120495 M E Defrost heater limit thermostat Serial number 982859 and earlier 120492 S Serial number 982860 and later 120566 F TXV expansion valve 220495 Not Unit cooler fan motor Serial number 982859 and earlier 120497 H shown Serial number 982860 and later 120548 NOTE gt Some freezers will include a capillary tube in place of the valve gt The part number for the capillary tube is 211117 1 360087 1 R 58 i Series amp All Models 12 4 2 Storage Storage features iPF120 4 model shown Label Description Part Number A Full shelf includes hardware 120 models 400414 1 125 models 400414 2 B Drawer assembly includes drawer 2 slides and 120 models 400584 2 hardware 125 models 400584 1 Not Drawer slide assembly right side 120 models 400541 3 shown 125 models 400541 1 Drawer slide assembly left side 120 models 400541 4 125 models 400541 2 Roll out basket assembly optional includes 120 models 400890 1 basket 2 slides and hardware 125 models 400
36. and HIinge ssx occi GEIGER ORE TAGS EDPRAMAX 101 21 SchieniatiCS uuu sooo REOR e LUCR CR DON E A Rc Rc Un 102 21 1 HPF Models 20 and 25 Cubic Feet 0 0 eee 102 22 Horizon Series Screen Reference 103 Section IV Horizon Series Laboratory and International Plasma Storage MoOtBIS ACA CE SECURE D cda vi D Rica t des 105 23 Product Configuration axes ence ex au deduce REA MARE REESE na RUE EE IE B E 105 23 1 Install Battery for Backup Power 1 0 2 0 et hr res 105 23 2 External Monitoring Devices 6 2 0 0 Rh n eres 106 23 2 1 Connect to Remote Alarm Interface llle 106 23 3 schedule Defrost Events 22 er roa Ae ce do EHE det Ue E Oe e 107 23 9 1 Set C rrent TIME ieu dace mn eso acce mac ce Rd A REN EU aw GO RO M ADR RC SG 107 23 3 2 Get Defrost TITIO erre eer ero Ch EOD odes var aca Rs ow No a EU E a 108 23 3 3 Schedule a Defrost Event svo ADIRE ERRORES Eq A WE 108 23 4 Move Drawers Shelves and 109 23 5 Move Slides and 1 110 23 6 Optional Adapter Kits for Medication Dispensing Locks 110 E up be
37. and is drawing the appropriate current approximately 0 21 A to 0 35 A Replace the heater if necessary Humid air is entering the chamber gt Confirm the freezer is level and the door is aligned closing tightly and sealing correctly Contact a qualified service technician to correct issues as necessary Excessive ice in the chamber Humid air is entering the chamber gt Confirm the freezer is level and the door is aligned closing tightly and sealing correctly Correct issues as necessary Drain port on the unit cooler was damaged during removal of the unit cooler cover gt Confirm the drain port on the unit cooler is intact External drain fan is faulty gt Confirm the external drain fan is running Hold a piece of paper in front of the fan and check that the paper is being drawn toward the freezer gt Confirm the connections are secure Tighten the connections if necessary gt Replace the external drain fan Connection between the unit cooler and the drain line is loose gt Confirm the connection is secure Contact a qualified service technician to tighten the connection if necessary Drain line is plugged gt Confirm the drain tube is free of debris Remove debris if necessary External drain fan is not running gt Confirm the external drain fan is running Contact a qualified service technician to correct issues as necessary Evaporator is covered
38. connection is secure Contact a qualified service technician to tighten the connection if necessary Drain line is plugged gt Confirm the drain tube is free of debris Remove debris if necessary External drain fan is not running gt Confirm the external drain fan is running Contact a qualified service technician to correct issues as necessary Evaporator is covered with ice and is not exchanging heat gt Check for ice buildup on the evaporator Shine a flashlight into the fan opening on the unit cooler and check for ice buildup Also feel behind the unit cooler for ice buildup If there is significant ice buildup in either area defrost the freezer Excessive humidity on the door 360087 1 R Humid air is entering the chamber gt Confirm the freezer is level and the door is aligned closing tightly and sealing correctly Correct issues as necessary Relative humidity around the freezer is too high gt Confirm the freezer is placed appropriately 125 Helmer 360087 1 R Problem Horizon Series Laboratory and International Plasma Storage Models Possible Cause Action After defrosting no water flows into the water evaporation tray Drain line heater is faulty gt Confirm the connections are secure Tighten the connections if necessary gt Confirm the drain line heater is warm to the touch Replace the heater if necessary D
39. department at Helmer is there for you Helmer will oversee the handling of your warranty service from start to finish Therefore Helmer must give advance authorization for all service calls and or parts needs relating to a warranty issue Any repeat service calls must also be authorized as well This allows for proper diagnosis and action Helmer will not be responsible for charges incurred for service calls made by third parties prior to authorization from Helmer Helmer retains the right to replace any product in lieu of servicing it in the field Compressor For the warranty period listed below Helmer will supply the refrigeration compressor if it is determined to be defective at no charge including freight Helmer will not be liable for installation refrigerant or miscellaneous charges required to install the compressor beyond the first year of the warranty period gt i Series model compressor warranty period is five 5 years gt Horizon Series model compressor warranty period is three 3 years Parts For a period of two 2 years Helmer will supply at no charge including freight any part that fails due to defects in material or workmanship under normal use with the exception of expendable items Expendable items such as glass filters light bulbs and door gaskets are excluded from this warranty coverage Inspection of defective parts by Helmer will be final in determining warranty status Warranty procedures must be followed
40. dig 27 8 7 Restore Factory Default Settings ll sl Rey ewe ee ee en 27 9 9 Alarm SunOS Wank aad PAG ea Gee ER Maa ae Kara 28 881 Alarm Vol ime x cu dae x eed ed wed RR pad Pee qe x ud deed 28 8 6 2 Alar Pulse used ere DRE hoa oe en OSes AAS 28 8 8 3 High Chamber Temperature Alarm 0 0 ee eae 29 8 8 4 Condenser Temperature Alarm 0 000 ccc 29 885 DoorAjar Alarm ovum ERR UR Lavi RU RIVE DURER RE eee Gees um a a rus x 29 886 Power Failure Alarm eR es ERREUR UY D Un 30 8 87 rr 30 9 9 5 Pd eee x E e Rd He dE GR aed Ra d 31 8 9 1 Automatic Chamber Temperature Alarm 5 31 8 9 2 Manual Chamber Alarm 32 8 9 3 Power Failure Alarm Test llle rr 32 894 DoorAjar Alaitm Test Gee yer ga X ea RR hes TES ed Eius 33 9 05 No Battery Alam TeSts 2 2 ee see PER Sead ERG l QURE und 33 8 10 Additional System Settings 0 0 0 hr 33 8 10 1 Screen Contrast 0 eana aa e ll rr 33 8 10 2 Date and TIME vs ui cee od kG eked rhe
41. drain tube to the cabinet 5 Remove the drain heater from the drain tube 6 Remove the drain tube by pulling it downward The drain tube should separate from the fan tube D at the 90 elbow leaving the fan tube D attached to the fan C a Separate the drain hose inside the cabinet from the unit cooler drain port B b Gently twist the drain hose from left to right to separate it from the unit cooler drain port c Pivot the drain tube and drain hose upward then remove the assembly from the cabinet 7 Remove the unit cooler cover A a Hold unit cooler cover in place to prevent it from dropping b Use the socket wrench to remove four screws securing the unit cooler cover c Carefully lower unit cooler cover to avoid damage to the fan wiring Install the Unit Cooler Cover 1 Verify unit cooler wiring is connected and routed correctly a Wiring should be routed above copper tube inside the unit cooler b Reconnect wires if they have separated Attach unit cooler cover a Lift unit cooler cover into place b Front edge of the cover should be behind the unit cooler case Use the socket wrench to install four screws to secure the unit cooler cover Insert the drain tube and drain hose through the hole in the cabinet a Push drain tube and drain hose upward at an angle toward the unit cooler drain port b Pivot the drain tube and drain hose downward then push the assembly upward c Inthe chamber push the drain hose onto the
42. models iHPF HPF HHPF P The chart recorder is optional on laboratory models iLF HLF iPF iLF iHPF models Open door by pressing and releasing it gt HPF HLF HHPF models Pull door open iPF iLF and iHPF chart HPF HLF and HHPF recorder door chart recorder door Install Chart Paper 1 Press and hold C button When stylus begins to move left release button The LED flashes to indicate current temperature range When stylus stops moving remove chart knob then move knob up and away Place chart paper on chart recorder Gently lift stylus and rotate paper so current time line corresponds to time line groove NOTE For accurate temperature reading ensure that current time is aligned with time line groove when chart knob is tightened 6 7 8 Confirm temperature range is set to the correct value Press and hold C button When stylus begins to move right release button Confirm stylus is marking temperature correctly 13 4 Helmer General Information 4 Alarm Reference If an alarm condition is met an alarm activates Some alarms are visual only others are visual and audible Some alarms are sent through the remote alarm interface The table indicates if an alarm is audible A visual V or sent through the remote alarm interface R Alarm Type Alarm iPF iHPF iLF HPF HHPF HLF Door Open A V R High temperature A V
43. not gt Using a general purpose grease lubricate the lubricated pivots in the hinges Hinge cam is faulty gt Confirm the hinge cam is not damaged Replace if necessary 121 Helmer 26 2 360087 1 R Horizon Series Laboratory and International Plasma Storage Models Chamber Temperature Problems Problem Possible Cause Action Prob appears on the display but the chamber temperature is set correctly Connections for the chamber temperature probe are loose gt Test the probe connections Secure the connections if necessary Temperature probe wiring is an open circuit gt Check the continuity of the probe wiring and connections Secure the connections or replace the probe if necessary Compressor runs continuously Freezer setpoint is set too low gt Confirm the setpoint is set within the operating range Change the setpoint if necessary Temperature control probe is faulty gt Replace the probe if necessary Temperature controller is faulty gt Confirm the temperature controller is operating correctly Replace the board s if necessary Solid state relay is faulty gt Confirm the relay is operating correctly Replace it if necessary Chamber temperature does not stabilize at the freezer setpoint Compressor starting relay is faulty gt Confirm the relay is operating correctly Replace the relay if necessary Monitor c
44. plates 120481 C shown Strike plate replacement kit includes strike 400687 1 plates with pre applied foam tape foil tape and replacement instructions 360087 1 R 98 Horizon Series Plasma Storage Models 20 4 1 Unit Cooler Left Unit cooler Right Unit cooler interior Ere Schematic Label Description Part Number Label A Unit cooler fan blade Serial number 982859 and earlier 220447 Serial number 982860 and later 220497 B Temperature control probe 120495 G C Defrost heater Serial number 982859 and earlier 120494 R Serial number 982860 and later 120567 D Defrost control probe 120495 M E Defrost heater limit thermostat Serial number 982859 and earlier 120492 S Serial number 982860 and later 120566 F TXV expansion valve 220495 Not Unit cooler fan motor Serial number 982859 and earlier 120497 H shown Serial number 982860 and later 120548 NOTE gt Some freezers will include a capillary tube in place of the valve gt The part number for the capillary tube is 211117 1 360087 1 R 99 Horizon Series Plasma Storage Models 20 4 2 Storage Storage features HPF120 4 model shown Label Description Part Number A Full shelf includes hardware 120 models 400414 1 125 models 400414 2 B Drawer assembly includes drawer 2 slides and 120 models 400584 2 hardware 125 models 400584 1 Not Drawer slide a
45. probe is correctly Calibrate the probe if necessary not calibrated 11 4 Testing Problems Problem Possible Cause Action Automatic Connections for gt Test the probe connections Secure the temperature test does the upper chamber connections if necessary not work temperature probe are loose Upper chamber gt Test the probe Replace the probe if necessary temperature probe is faulty Control board is faulty gt Replace parts with those included in the control and display board kit High Alarm setpoint is gt Confirm the alarm setpoint is set at the appropriate set significantly higher value than the default value Test the temperature alarm manually A component is gt Contact a qualified service technician faulty or internal connections are loose No Battery alarm is Battery voltage gt Replace the backup batteries for the monitoring activating sporadically level on the backup system batteries for the monitoring system is low 11 5 Condensation Problems Problem Possible Cause Action Excessive water in Heater in the gt Confirm the heater is hot and is drawing the the water evaporation evaporation tray is appropriate current approximately 0 21 A to tray faulty 0 35 A Replace the heater if necessary Humid air is entering gt Confirm the freezer is level and the door is 360087 1 R the chamber aligned closing tightly and sealing correctly Contact a qualified service technician to correct
46. section s for part L numbers B Alarm key switch 120227 W C Chart recorder 400409 6 X D Chart paper 52 sheets 220419 E Chart recorder backup battery 120218 AD 9 V alkaline non rechargeable Not Caster swivel with brake Serial number 974891 and earlier 220380 shown Serial number 974892 and later 220467 360087 1 R 127 Helmer 27 1 1 27 2 360087 1 R Horizon Series Laboratory and International Plasma Storage Models Laboratory Display Left Laboratory display with touchpad Right Rear view of display showing monitor control board Label Description Part Number mae A Monitor control board 120402 L Top A B s x a Top features HLF120 model shown Label Description Part Number as A Monitoring system backup battery 120399 AE B Compressor unit Contact Helmer Technical Service A Not Condensing unit fan motor 230 V 60 Hz 120493 U shown 230 V 50 Hz 120515 Solenoid valve 220547 Y Solenoid coil 120647 AJ 128 Helmer 27 3 360087 1 R Rear Horizon Series Laboratory and International Plasma Storage Models gt Rear features 120 4 model shown Label Description Part Number External drain fan 120511 Z B Drain line heater 120485 Electrical box Refer to subsequent section s for part numbers D Condensate evaporator kit Includes 400790 2 J the condens
47. temperature units Press the BACK button to return to the Edit Configuration screen or press the HOME button to exit The new setting is saved NO kh WN Event Log The Event Log shows information from alarm events gt 50 most recent events can be viewed the Event Log screen gt Number of door openings for the current and previous day can be viewed View the event log 1 Press the MAIN button 2 Press the DOWN button to highlight Event Log Press the SELECT button gt The Event Log screen is displayed Event log format EVENT LOG Door AA AA BB BB Openings D F GG HH HH HH IIIJ KK KK L Item Description AA AA Current date month and day BB BB Previous date month and day C Number of door openings on current date D Number of door openings on previous date EE Event number The most recent event is numbered as 1 Values can be 1 50 F Event S indicates the start of an alarm condition R indicates the alarm was reset and the system returned to normal GG Alarm Type DR Door Open HI High temperature CO Condenser temperature NB No Battery AC Power failure HH HH HH Date of event month and day and the last two digits of the year IH Time hours and minutes of event J Time appears for 12 hour format A indicates AM P indicates PM KK KK Chamber temperature at time of event L Temperature units C Celsius F Fahrenheit 35 Helmer 8 11 1
48. the current setting for the high alarm setpoint 2 Press the MAIN button 3 Press the DOWN button to select System Alarm Test amp Status Press the SELECT button gt The System Alarm Test amp Status screen appears 4 Press the DOWN button to select Start High Alarm Auto Test Press the SELECT button gt The High Alarm Test in Progress message appears gt The alarm will activate when the alarm setpoint is reached gt When the test is complete the message clears Cancel the test 1 Press the MAIN button 2 Press the DOWN button to select System Alarm Test amp Status Press the SELECT button gt The System Alarm Test amp Status screen appears 3 Press the DOWN button to select Cancel High Test Press the ENTER button gt The test is cancelled NOTE When cancelling an automatic test the message indicating the test is in progress clears immediately If a setpoint was reached before the test was cancelled the alarm activates and clears as described earlier 360087 1 R 31 Helmer i Series All Models 8 9 2 Manual Chamber Alarm Test NOTICE Before testing alarms protect items in freezer from extended exposure to adverse temperature Obtain gt Independent thermometer calibrated and traceable per national standards gt 1 4 120 mL glass of product simulation solution 1 1 ratio of water to propylene glycol or equivalent low temperature fluid NOTICE Temperature probes are fragile
49. the screen contrast to read too low Display on the Defrost probe gt Check the continuity of the probe wiring and temperature defrost or temperature connections Secure the connections if necessary controller is flashing probe wiring is an gt Confirm the probe is providing resistance in the open circuit or a component is faulty or internal connections are loose range of 1191 O to 2000 O Replace the probe if necessary 44 Helmer 11 2 360087 1 R Chamber Temperature Problems Problem Possible Cause i Series All Models Action Chamber temperature displayed is higher or lower than the actual temperature Connections for the chamber temperature probe are loose gt Test the probe connections Secure the connections if necessary Temperature probe wiring is an open circuit gt Check the continuity of the probe wiring Replace the probe if necessary Probe bottles are empty or the amount of solution is too low gt Check the level of product simulation solution in the bottles Clean and refill the bottles if needed Monitor is not calibrated gt Confirm the upper temperature probe is reading correctly Calibrate the probe if necessary Solution in the probe bottle is frozen gt Refill the bottle with new solution Digital electronics are locked because of an interruption in power gt Reset the monitoring system A component is fault
50. the top of the freezer remove six batteries and replace with six new batteries NOTICE When installing replacement batteries use only batteries which meets the specifications outlined in chapter 18 7 Supplies Clean the Freezer Condenser Grill In environments where freezer is exposed to excessive lint or dust condenser grill may require cleaning more frequently than stated in preventive maintenance schedule Clean the condenser grill using a soft brush and a vacuum cleaner External Drain Line Fan Clean the external drain line fan using a soft brush and a vacuum cleaner Exterior Clean exterior surfaces with soft cotton cloth and non abrasive liquid cleaner Interior Clean painted surfaces with mild detergent Clean stainless steel surfaces with a general purpose laboratory cleaner suitable for stainless steel Door Gaskets Clean with soft cloth and mild soap and water solution 82 Horizon Series Plasma Storage Models 18 4 5 18 5 360087 1 R Clean and Refill Probe Bottle NOTE A kit that includes a probe bottle and propylene glycol is available from Helmer Obtain gt Fresh water bleach solution not provided gt 1 9 ratio of bleach to water gt Bleach is 5 solution of commercial sodium hypochlorite NaOCl gt Equivalent oxidizing cleaner disinfectant approved by your organization may be substituted gt 402 120 mL of product simulation solution per bottle
51. to access the parameter menu is displayed Press the DOWN arrow button until P37 is displayed Press the P button Press the UP arrow button to start the defrost event gt The defrost lamp illuminates P The defrost icon on the i Center monitoring system is displayed gt The defrost event is started 5 stop the defrost event do one of the following a Press the DOWN arrow button or b defrost event will stop when the defrost cycle is complete gt 41 i Series amp All Models 10 6 360087 1 R Unit Cooler Cover Removal and Installation If unit cooler cover is not removed as detailed in this procedure the drain port may be damaged Improper drainage may result in excessive icing and freezer s inability to maintain temperature Required tools gt 5 16 socket wrench gt Tool to push putty away from the drain tube C A D B E F G Drain tube fan and heater components Label Description A Unit cooler cover Drain port Drain fan Fan tube Heater wires Heating element Qimimgi ou Drain tube 42 Helmer 10 6 1 i Series amp All Models Remove the Unit Cooler Cover A WARNING Disconnect the freezer from AC power when removing the unit cooler A CAUTION The condensate evaporator and water evaporation tray are hot NOTICE gt Before removing the unit cooler cover protect items in
52. to return to the Edit Configuration screen or press the HOME button to exit The new settings are saved hh WN 360087 1 R 28 Helmer i Series amp All Models 8 8 3 8 8 4 8 8 5 360087 1 R High Chamber Temperature Alarm The High Alarm setpoint specifies the temperature at which the High Temperature Alarm activates If the temperature detected by the chamber probe is greater than or equal to this value the alarm activates gt Default setpoint is 20 0 C gt Setpoint can be changed from 40 0 C to 0 0 C Change the setpoint Press the MAIN button Press the DOWN button to highlight Edit Configuration Press the SELECT button Enter the password when prompted Press the DOWN button to highlight Alarm Setpoints Press the SELECT button Press the DOWN button to highlight High Alarm Setpoint Press the INC or DEC buttons to change the setting Press the BACK button to return to the Edit Configuration screen or press the HOME button to exit The new settings are saved NO WD Condenser Temperature Alarm The Condenser Alarm setpoint specifies the temperature at which the Condenser Temperature Alarm activates If the temperature of the condenser discharge line is greater than or equal to this value the alarm activates gt Default setpoint is 50 C gt Setpoint can be changed from 40 C to 80 C NOTICE Condenser Temperature Alarm should not be changed unless directed by Helmer Tec
53. with capillary tube gt Low side 4 psi to 7 psi 30 kPa to 50 kPa gt High side 100 psi to 220 psi 690 kPa to 1520 kPa 5 Remove pressure gauge Test Monitoring System Backup Batteries The i Center monitoring system has visual indicators for battery charge level If the batteries deplete to a particular voltage output a flashing Low Battery alarm is initiated If the batteries are missing or nearly depleted the flashing No Battery alarm initiates Test backup batteries 1 Switch the AC ON OFF switch OFF gt Screen should continue to display information without backlight gt Ifthe display is blank replace the batteries 2 Switch the AC ON OFF switch ON Replace Monitoring System Backup Batteries On the top of the freezer remove six batteries and replace with six new batteries NOTICE When installing replacement batteries use only batteries which meets the specifications outlined in chapter 10 7 Supplies Clean the Freezer Condenser Grill In environments where freezer is exposed to excessive lint or dust condenser grill may require cleaning more frequently than stated in preventive maintenance schedule Clean the condenser grill using a soft brush and a vacuum cleaner External Drain Line Fan Clean the external drain line fan using a soft brush and a vacuum cleaner Exterior Clean exterior surfaces with soft cotton cloth and non abrasive liquid cleaner Interior Clean painted surfaces with
54. 87 1 R Independent temperature controller Defrost Event On Off Default Time 1 On 12 00 AM 2 On 8 00 AM 3 On 4 00 PM 4 Off Set the Time on the Independent Temperature Controller NOTE gt The current time on the independent temperature controller should be set to match the time on the Horizon Series monitoring system To change the value for a parameter first enter the program mode for that level When there is no interaction for four minutes the temperature controller exits program mode and returns to normal mode Defrost event times are based on the current time setting on the temperature defrost controller The current time is controlled by two parameters P34 and P35 Parameter Description Range P34 Hour setting for current time 24 hour format 00 midnight to 23 P35 Minute setting for current time 00 to 59 Set the current time 1 On the independent temperature controller press the P button to access the parameter menu gt is displayed where is a parameter number 2 Select the Hour parameter P34 a Press the UP or DOWN arrow buttons until P34 is displayed b Press the P button c current hour setting is displayed in 24 hour time Example 2 PM is displayed as 14 3 Change the Hour parameter a Press the UP or DOWN arrow buttons until the desired hour is displayed 4 Press the P button gt The setting is changed and P34 i
55. 890 2 Roll out basket slide assembly right side 120 models 400541 3 125 models 400541 1 Roll out basket slide assembly left side 120 models 400541 4 125 models 400541 2 Drawer slide wheel 320815 1 Half shelf includes hardware 400413 1 360087 1 R 59 Helmer 12 4 3 360087 1 R Door and Hinge Door and hinge features iPF120 4 model shown Label Description Part Number A Door handle with lock 220426 B Door bumper 220441 C Hinge bearing 220375 D Upper hinge bracket Right hinge 400376 1 Left hinge 400376 2 E Door gasket 321271 1 F Hinge cam 320742 1 G Door stop 320763 1 H Lower hinge bracket Right hinge 400377 1 Left hinge 400377 2 i Series amp AII Models 60 Helmer 13 13 1 360087 1 R Schematics iPF iLF and iHPF Models 20 and 25 Cubic Feet MAIN POWER 230 V ac 50 Hz 208 230 V ac 60 Hz TERMINAL STRIPS BREAKERS 6 CHART RECORDER TRANSFORMER 6 CHART RECORDER TRANSFORMER o 0 0000 0 iornonoenenenenene 7 TEMP DEFROST CONTROLLER 7 COMPRESSOR LINE L1 Lk POWER 1 EXTERNAL DRAIN FAN a 1 EXTERNAL DRAIN FAN CORD 2 COMPRESSOR RELAY 1 2 COMPRESSOR RELAY 1 3 POWER LINE FILTER 3 POWER LINE FILTER 4 CONTROL BOARD 4 CONTROL BOARD P CIRCUIT be 9 5 TEMP DEFROST CONTROL XFMR d 5 TEMP DEFROST CONTROL XFMR 4 a
56. ALARM BUZZER AE MONITOR BACKUP BATTERY 1 AH POWER SUPPLY BOARD 360087 1 R d eu FLASH CARD PORT AB UPPER SS CHAMBER PROBE ED G TEMPERATURE oO CONTROL PROBE J CONDENSATE EVAPORATOR C MULLION HEATER DAMO O DRAIN LINE HEATER AWN KE L2 102 Helmer Horizon Series Plasma Storage Models 22 Horizon Series Screen Reference HOME screen MAIN button MAIN screen MUTE button changes mute timer MAIN screen Edit Configuration option Enter the password CONFIGURATION screen View Configuration option VIEW CONFIGURATION screen Product Company Information option INFORMATION screen CONFIGURATION screen Set Date amp Time option SET DATE amp TIME screen System Options option SYSTEM OPTIONS screen Alarm Setpoints option SET ALARM SETPOINT screen Temperature Calibration option TEMPERATURE CALIBRATION screen Factory Default Settings option FACTORY DEFAULT SETTINGS screen Change Password option Enter a new password SYSTEM OPTIONS screen Language option Date Format option Alarm Volume option Alarm Pulse option Temperature Units option Chart Paper Timer option SET ALARM SETPOINT screen High Alarm Setpoint option Door Ajar Timeout option Power Failure Timeout option TEMPERATURE CALIBRATION screen Upper Temperature Probe display Temperature option 360087 1 R 103 Helmer VIEW CONFIGURATION screen Clock Mode display Date F
57. ARNING Disconnect the freezer from AC power when removing the unit cooler A CAUTION The condensate evaporator and water evaporation tray are hot NOTICE gt Before removing the unit cooler cover protect items in the freezer from extended 25 5 2 360087 1 R exposure to adverse temperature gt Allow freezer temperature to stabilize at setpoint after replacing unit cooler 1 Disconnect the backup battery Switch AC ON OFF switch OFF Disconnect the freezer from AC power 2 Remove the top drawer basket or shelf from the chamber NOTE For HHPF models remove the Cold Shield panel Loosen three screws securing the panel to the cabinet then slide the panel to free it from the screws 3 the back of the cabinet peel the putty back to expose the drain tube and drain heater 4 Verify the heating element is cool Remove the screws and loosen the pipe straps securing the drain tube to the cabinet 5 Remove the drain heater from the drain tube 6 Remove the drain tube G by pulling it downward The drain tube should separate from the fan tube D at the 90 elbow leaving the fan tube D attached to the fan C a Separate the drain hose inside the cabinet from the unit cooler drain port B b Gently twist the drain hose from left to right to separate it from the unit cooler drain port c Pivot the drain tube and drain hose upward then remove the assembly from the cabinet 7 Remove the unit cooler cover
58. Check the refrigerant level Recharge the low refrigerant if necessary Compressor motor gt Replace the compressor has seized Temperature control gt Confirm the probe is providing resistance in the probe is faulty range of 1191 O to 2000 O Replace the probe if necessary Condenser grill is gt Check the condenser grill Clean it if necessary dirty Circulation at the top Check if there are any items that may obstruct air of the chamber is not flow and remove them if necessary adequate gt Check the unit cooler fan is working If the fan is not working contact a qualified service technician Ambient air gt Confirm the freezer is placed appropriately temperature around the freezer is too high A component is gt Contact a qualified service technician faulty or internal connections are loose Evaporator is covered Check for ice buildup on the evaporator Shine a with ice and is not exchanging heat Alarm Activation Problems Problem Possible Cause flashlight into the fan opening on the unit cooler and check for ice buildup Also feel behind the unit cooler for ice buildup If there is significant ice buildup in either area defrost the freezer Action Freezer is in an alarm condition but alarms are not audible A component is faulty or internal connections are loose Confirm the circuit board and line connections are functioning correctly
59. 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 16 i Series amp All Models Section Il i Series All Models 7 1 360087 1 R NOTE This section applies to iPF iLF and iHPF models Product Configuration Install Batteries for Backup Power The monitoring system and chart recorder each have a battery system enabling a period of continuous operation if power is lost NOTE The monitoring system will not start on battery power alone If the freezer was previously not connected to AC power and the batteries are installed the monitoring system will not run on battery power Battery life varies by manufacturer as well as voltage level remaining Providing full power is available and no battery related a
60. N 52 12 1 1 Display ise Eme xe Paw Pia ee e Eee Rs Bake Pug 53 12 2 e ee eb ide PRESE a eed be 54 12 3 Rear nexu c PE ub Rd eed eu pe RUE E I A d adeb 55 12 3 1 Electrical Box ise AR Ra CR hee dee eae RR ate 56 12 4 IntetiOl dox S exeun mox Ae E Baa C Pana deor Aas Gund a E NUR Ce MEC RAE 57 12 4 1 Unit Coole es concra RR RAS Be OES CA we EBs SENE S VR Ya 58 12 4 2 Stordge i sess e movie P P RR RT X RO REFS Ra VOR ee RU UN 59 12 4 3 Door and Hinge ii x ex ba xr Ra Rn eiie Kap xa d RO apa di den DERU Re 60 13 Schema titS iino a eee ee een T T T I EI ISTE 61 13 1 and iHPF Models 20 and 25 Cubic 1 61 14 i Center Screen Reference lleeeeeeeeeeee ern 62 Section Ill Horizon Series Plasma Storage Models 64 15 Product ERE RE ERATES ERR E E 64 15 1 Install Batteries for Backup Power 64 15 2 External Monitoring Devices sslssssllee ees lle Rhen ha 65 15 2 1 Connect to Remote Alarm 65 15 3 Automatic Defrost Cycle 2 2 bed
61. OTE This section applies to iPF iLF and iHPF models i Series freezers are equipped with the i Center monitoring system and independent temperature controller 12 18 2003 10 23AM 30 00 Louer Temp 30 0 C 6666 i Center monitor Independent temperature controller 10 General Information 3 2 2 Horizon Series Plasma Storage Monitoring System and Independent Temperature Controller Horizon Series plasma storage freezers are equipped with the Horizon monitoring system and independent temperature controller NOTE This section applies to HPF models 66666 Horizon Series monitor Independent temperature controller 3 2 3 Horizon Series Laboratory Monitoring and Control System NOTE This section applies to HLF and HHPF models Horizon Series laboratory freezers and international Horizon Series plasma storage freezers are equipped with the laboratory monitor and temperature controller The combined laboratory system controls chamber temperature and monitors and displays operational information Laboratory monitoring and control system 360087 1 R 11 Eos Helmer General Information 3 3 3 3 1 3 3 2 3 4 360087 1 R Temperature Probes Number and location of probes varies by model External probes may be introduced through existing top port and immersed in existing probe bottle For each probe bottle use gt Approximately 4 oz 120 mL of product simulation soluti
62. Obtain gt Refrigerant gt Calibrated pressure gauge 0 psi to 220 psi 0 kPa to 1520 kPa Add refrigerant 1 Attach pressure gauge to the fittings on the refrigeration lines 2 Monitor the low side suction pressure through a full compressor cycle 3 Measure the pressure at the end of the next cycle immediately before the compressor stops NOTE Pressure varies depending on ambient air temperature 4 Add refrigerant Check the pressure on the low side and high side Models with TXV expansion valve gt Low side 2 psi to 4 psi 14 kPa to 28 kPa gt High side 170 psi to 220 psi 1172 kPa 1520 kPa Models with capillary tube gt Low side 4 psi to 7 psi 30 kPa to 50 kPa gt High side 100 psi to 220 psi 690 kPa to 1520 kPa 5 Remove pressure gauge 81 Helmer Horizon Series Plasma Storage Models 18 2 18 3 18 4 18 4 1 18 4 2 18 4 3 18 4 4 18 4 5 360087 1 R Test Monitoring System Backup Batteries The Horizon Series monitoring system does not have visual indicators for battery charge level If the batteries deplete to a particular voltage output the batteries will not provide power to the monitoring system Test backup batteries 1 Switch the AC ON OFF switch OFF gt Screen should continue to display information without backlight gt If the display is blank replace the batteries 2 Switch the AC ON OFF switch ON Replace Monitoring System Backup Batteries On
63. PF125 4 iHPF 125 8 HPF 125 4 HPF125 8 HHPF125 4 HHPF125 8 iLF125 HLF125 This manual covers all upright freezers which may be identified singly by their size or by their respective Series Copyright and Trademark Helmer i Series i Center Horizon Series and Rel i are registered trademarks or trademarks of Helmer Inc in the United States of America Copyright 2014 Helmer Inc All other trademarks and registered trademarks are the property of their respective owners Helmer Inc doing business as DBA Helmer Scientific and Helmer Safety The operator or technician performing maintenance or service on Helmer Scientific products must a inspect the product for abnormal wear and damage b choose a repair procedure which will not endanger his her safety the safety of others the product or the safe operation of the product and c fully inspect and test the product to ensure the maintenance or service has been performed properly Safety Definitions The following general safety alerts appear with all safety statements within this manual Read and abide by the safety statement that accompanies the safety alert symbol A WARNING The safety statement that follows this safety alert symbol indicates a hazardous situation which if not avoided could result in serious injury A CAUTION The safety statement that follows this safety alert symbol indicates a hazardous situation which if not avoided
64. Press the INC or DEC buttons to select Enabled Disabled or Reset Do one of the following gt If Enabled or Disabled is selected press the BACK button to return to the System Options screen or press the HOME button to exit The new setting is saved gt If Reset is selected Press the DOWN button b Press the PAPER CHANGED button The System Options screen appears with the Chart Paper Timer set to Enabled 8 Press the BACK button to return to the System Options screen or press the HOME button to exit The new setting is saved NO oh WD 360087 1 R 75 Helmer Horizon Series Plasma Storage Models 16 8 16 8 1 360087 1 R Test Alarms Test alarms to ensure they are working correctly The freezer has alarms for chamber temperature door open time and power failure NOTICE Before testing alarms protect items in the freezer from extended exposure to adverse temperature Manual Chamber Alarm Test NOTICE Before testing alarms protect items in freezer from extended exposure to adverse temperature Obtain gt Independent thermometer calibrated and traceable per national standards gt 1 4 120 mL glass of product simulation solution 1 1 ratio of water to propylene glycol or equivalent low temperature fluid NOTICE Temperature probes are fragile handle with care Test the high alarm 1 Identify setting for high alarm setpoint 2 Immerse the independent thermometer in the
65. TE gt The current temperature displayed by the monitoring system may change so that it no longer matches the new probe calibration value This is normal gt Ifa probe value is entered but not saved the new value will appear when the calibration setting for the probe is viewed This is normal 8 6 Factory Default Settings Settings listed below may be simultaneously returned to factory default values NOTE The factory default settings may not be the same as the settings that were factory calibrated before the freezer was shipped Setting Restored Value High Alarm Setpoint 20 0 C Condenser Alarm Setpoint 50 0 C Door Ajar Timeout 3 minutes Power Failure Timeout 3 minutes Chart Paper Timer 6 5 days 8 7 Restore Factory Default Settings Restore settings Press the MAIN button Press the DOWN button to highlight Edit Configuration Press the SELECT button Enter the password when prompted Press the DOWN button to highlight Factory Default Settings Press the SELECT button Do one of the following gt Press the ENTER button Factory default settings are restored gt Press the BACK button Factory default settings are not restored 0 360087 1 R 27 Helmer i Series All Models 8 8 Alarm Settings The following alarm settings may be changed by the operator The setpoint for temperature alarms may be changed where applicable as well as the time delay between when the alarm co
66. Test the battery 1 Switch the AC ON OFF switch OFF a Display should continue to display information b If the display is blank replace battery 2 Switch AC ON OFF switch ON Replace Monitoring system Backup Battery On the top of the freezer remove the battery and replace with a new battery NOTICE When installing a replacement battery use only a battery which meets the specifications outlined in chapter 25 6 Supplies Clean the Freezer Condenser Grill In environments where freezer is exposed to excessive lint or dust condenser grill may require cleaning more frequently than stated in preventive maintenance schedule Clean the condenser grill using a soft brush and a vacuum cleaner External Drain Line Fan Clean the external drain line fan using a soft brush and a vacuum cleaner Exterior Clean exterior surfaces with soft cotton cloth and non abrasive liquid cleaner Interior Clean painted surfaces with mild detergent Clean stainless steel surfaces with a general purpose laboratory cleaner suitable for stainless steel Door Gaskets Clean with soft cloth and mild soap and water solution 117 Helmer Horizon Series Laboratory and International Plasma Storage Models 25 4 5 360087 1 R Clean and Refill Probe Bottle NOTE A kit that includes a probe bottle and propylene glycol is available from Helmer Obtain gt Fresh water bleach solution not provided gt 1 9 ratio of bleac
67. Timeout specifies longest time the freezer can be without AC power before the alarm activates If the time elapsed since the last power failure is greater than or equal to this value the alarm activates gt Default delay setting is three minutes gt Setting can be changed from 0 minutes to 60 minutes Change the alarm delay Press the MAIN button Press the DOWN button to highlight Edit Configuration Press the SELECT button Enter the password when prompted Press the DOWN button to highlight Alarm Setpoints Press the SELECT button Press the DOWN button to highlight Power Failure Timeout Press the INC or DEC buttons to change the setting Press the BACK button to return to the Edit Configuration screen or press the HOME button to exit The new settings are saved NO Rh WD Chart Paper Alarm The default setting for the chart paper timer is Enabled One sheet of chart paper records temperatures continuously for seven days The timer activates an alarm 6 5 days from when the timer is reset The timer period cannot be changed NOTE gt Available options are Enabled Disabled and Reset gt Enabling the timer also resets the timer Change the setting Press the MAIN button Press the DOWN button to highlight Edit Configuration Press the SELECT button Enter the password when prompted Press the DOWN button to highlight System Options Press the SELECT button Press the DOWN button to highlight Chart Paper Ti
68. U qud Eos wa IC ORE o ri ee ETHER aC A Ra 117 25 4 1 Condenser Grill 5 6 117 25 4 2 External Drain Line lseeleeeeeeee RR RR RR RR se 117 2544 3 2 Li dau BEES ES aiia deri dea Y Eas 117 interior hE a EU Std e ROO pde od p cd Ee oW ded x 117 25 4 5 Door Gaskets sess Ra R eX cw Ed Ro Nee aa db Raw ace uc au Red Ra 117 25 5 Unit Cooler Cover Removal and 119 25 5 1 Remove the Unit Cooler Cover lille 120 25 5 2 Install the Unit Cooler Cover 0 0 00 rs 120 25 0 SUPPIICS ERR mE ERR OE ict RR RURSUS QURE REA n epus META UE ae E E RU ea 121 360087 1 R vi Helmer 25 IFGUBIGSNOOUNGs RE Rea RR RR Kd E 121 26 1 General Operation Problems 2 3 54 4554 aia hrs 121 26 2 Chamber Temperature Problems 4 s 122 26 3 Alarm Activation Problems 4 244293 123 26 4 Condensation Problems 2 ccc RR hh s 124 27 PANS 5000S oe 6 6 66 606s daas Rp See Che teas 127 2 3 n
69. an motor motor is faulty The condenser probe Confirm the condenser probe is reading correctly is not calibrated Calibrate the probe if necessary Compressor is gt Check the condenser grill Clean it if necessary overheating due to gt Confirm the freezer is placed appropriately lack of airflow gt Contact a qualified service technician to confirm the condenser fan is working Condenser alarm setpoint is too low Confirm the alarm setpoint is set at the appropriate value A component is faulty or internal connections are loose Contact a qualified service technician 48 Helmer Problem Possible Cause i Series All Models Action An alarm activated but the temperature recorded at activation Monitor is not calibrated gt Confirm the upper temperature probe is reading correctly Calibrate the probe if necessary Temperature changed gt action needed does not match the slightly around the alarm setpoint time of activation High Temperature Upper chamber gt Confirm the probe bottle is full of solution and the alarm is activating temperature probe is probe is placed in it correctly sporadically not immersed in the product simulation solution A component is gt Contact a qualified service technician faulty or internal connections are loose Upper chamber gt Confirm the upper temperature probe is reading temperature
70. ate evaporator and water evaporation tray E Main power switch 120478 Q F Circuit breaker 12 120220 P 129 Horizon Series Laboratory and International Plasma Storage Models 27 3 1 Electrical Box C D A B Electrical box features HLF120 model shown ae Schematic Label Description Part Number Label A Compressor relay 120426 AA B Power line filter 120400 AK C Alarm buzzer 120160 D D Defrost controller 800200 1 F 360087 1 R 130 Horizon Series Laboratory and International Plasma Storage Models 27 4 Interior F G Interior features HHPF120 4 model shown Label Description Part Number Schematic Label A Chart recorder probe 400855 1 Al B Chamber probe 400512 1 AB C Probe bottle and propylene glycol kit 400922 2 D Unit cooler Refer to subsequent section s for AG part numbers E Door switch 120380 F Storage parts Refer to subsequent section s for part numbers G Door Refer to subsequent section s for part numbers Not Mullion heater located under strike plates 120481 C shown Strike plate replacement kit Includes strike 400687 1 plates with pre applied foam tape foil tape and replacement instructions 360087 1 R 131 Horizon Series Laboratory and International Plasma Storage Models 27 4 1 Unit Cooler Left Unit cooler Right Unit cooler interior Ere
71. ay not be the same as the temperature displayed on the i Center monitoring system 1 Observe the chamber temperature displayed on the i Center monitoring system after the monitoring probe has been calibrated 2 Determine how much the freezer setpoint will be changed EXAMPLE gt Current setpoint is 30 0 gt Target setpoint is 28 0 C gt Setpoint adjustment value is 2 0 C 38 Helmer i Series amp All Models 9 2 10 10 1 360087 1 R 3 the temperature controller press and hold the P button gt is displayed where is a parameter value 4 Adjust the freezer setpoint a Press the UP or DOWN arrow buttons until is displayed b Press the P button gt current setpoint is displayed c Press the UP or DOWN arrow buttons to change the temperature setpoint by the same value as determined in step 2 d Press the P button gt The setpoint is changed and is displayed 5 Exit program mode a Press the UP or DOWN arrow buttons until P01 is displayed or b not press any buttons for four minutes Parameter 01 P01 is displayed Change the Hysteresis Value gt Default setpoint is 4 0 C gt Allowable temperature variance above the freezer setpoint NOTICE Hysteresis is factory preset and should not be changed unless directed by Helmer Technical Service Maintenance NOTICE gt Before performing maintenance protect items in
72. be reading Change some settings to the factory default values Change the password preventing unauthorized changes View Configuration Product Company Information View the date and time formats View alarm related setpoints and timers View the volume and pattern for audible alarms View the setting for the chart paper timer View the setting for the temperature graph display View the settings for temperature and time alarms View the software versions for control and display components of the monitoring system View information to contact Helmer i Help Viv VIVVVVVVIVVVVVVVVVVVVY VY Access the on board help system 24 Helmer i Series amp All Models 8 3 8 3 1 360087 1 R Temperature Graph 300 UL 2008 UL 200 6666 The Temperature Graph screen appears when gt The Temperature Graph feature is enabled gt There is no interaction for one minute on any screen gt There no active alarms NOTE While there is power to the monitoring system data from the chamber temperature probe is collected real time and the past 24 hours of collected data is stored and displayed In the event of an AC power failure the monitoring system continues to collect and display temperature data as long as battery power is available If AC power is restored before battery power fails there is no interruption in data collection The temperature that is displayed on the graph for eight
73. blesville IN 46060 USA PH 1 317 773 9073 FAX 1 317 773 9082 www helmerinc com e Cc E Imer N 1 F
74. cations outlined in chapter 18 7 Supplies The batteries are located on the top of the freezer behind the monitoring system Monitoring system backup batteries Five batteries are installed and one battery is included in the accessory package Install the sixth battery to provide power to the monitoring system in the event of an AC power failure 64 Helmer Horizon Series Plasma Storage Models 15 2 External Monitoring Devices A CAUTION gt The interface on the remote alarm monitoring system is intended for connection to 15 2 1 15 3 360087 1 R the end user s central alarm system s that uses normally open or normally closed dry contacts gt If an external power supply exceeding 30 V RMS 60 V DC is connected to the remote alarm monitoring system s circuit the remote alarm will not function properly may be damaged or may result in injury to the user NOTE In the event of a power failure the power failure alarm condition is transmitted through the remote alarm contacts The remote alarm interface is a relay switch with three terminals gt Common gt Normally Open NO gt Normally Closed NC Terminals are dry contacts and do not supply voltage Interface circuit is either normally open or normally closed depending on terminals used Requirements for your alarm system determine which alarm wires must connect to terminals gt 0 5Aat 30 V RMS 1 0A at 24 V DC
75. check for ice buildup Also feel behind the unit cooler for ice buildup If there is significant ice buildup in either area defrost the freezer 122 Helmer Horizon Series Laboratory and International Plasma Storage Models Alarm Activation Problems Problem Possible Cause Action Freezer is in an alarm condition but alarms are not audible A component is faulty or internal connections are loose gt Confirm the circuit board and line connections are functioning correctly Alarm buzzer is faulty gt Replace the alarm buzzer Alarm monitor is not responding Digital electronics are locked because of an interruption in power gt Reset the monitoring system Chamber temperature meets the high alarm condition but the high temperature alarm is not active High temperature alarm setpoint was changed gt Check the current setpoint for the high temperature alarm Change the setpoint if necessary Freezer meets an alarm condition but the appropriate alarm is not active Alarm setpoint was changed gt Check the current setpoints for the alarms Change the setpoints if necessary A component is faulty or internal connections are loose gt Contact a qualified service technician High Temperature alarm activates when the door is opened then clears shortly after the door is closed Connections for the chamber temperature probe are loose g
76. ctions are loose All alarms are Alarm system is faulty gt Confirm the circuit board and line connections are activating sporadically functioning correctly 360087 1 R Control board is faulty gt Replace parts with those included in the control and display board kit A component is gt Contact a qualified service technician faulty or internal connections are loose An alarm activated Monitor is not gt Confirm the upper temperature probe is reading but the temperature calibrated correctly Calibrate the probe if necessary recorded at activation Temperature changed gt No action needed does not match the slightly around the alarm setpoint time of activation High Temperature Upper chamber gt Confirm the probe bottle is full of solution and the alarm is activating temperature probe is probe is placed in it correctly sporadically not immersed in the product simulation solution A component is gt Contact a qualified service technician faulty or internal connections are loose Upper chamber gt Confirm the upper temperature probe is reading temperature probe is not calibrated correctly Calibrate the probe if necessary 90 Helmer Condensation Problems Problem Possible Cause Horizon Series Plasma Storage Models Action Excessive water in the water evaporation tray Heater in the evaporation tray is faulty gt Confirm the heater is hot
77. drain hose Attach the drain tube to the fan tube Insert the drain line heater in the drain tube a Insert the heater at an upward angle b The black heating element should no longer be visible On the back of the cabinet press putty around the drain tube and drain line heater 85 Helmer Reinstall top drawer basket or shelf 18 7 19 19 1 360087 1 R Horizon Series Plasma Storage Models NOTE Reinstall the Cold Shield panel 8 Reattach the pipe straps to secure the drain tube to the cabinet 9 Reconnect the freezer to AC power Switch AC ON OFF switch ON Reinstall the battery in the battery holder 10 Press the MUTE button to disable the high temperature alarm while freezer reaches operating temperature Supplies Refrigerant non CFC R 404A Chart paper 220419 52 sheets Propylene glycol solution 400922 2 Monitoring system batteries 6 1 5 V D cell non rechargeable alkaline batteries or equivalent 715031 Chart recorder battery optional 1 9 V non rechargeable alkaline or equivalent 120218 Troubleshooting CAUTION gt Review all safety instructions prior to troubleshooting Refer to chapter 2 Safety gt Troubleshooting should only be performed by trained refrigeration technicians General Operation Problems Problem Possible Cause Action Drawer does not slide easily Debris in the slides Pull the drawer out and confirm the slid
78. e Supplies Refrigerant non CFC R 404A Chart paper 220419 52 sheets Propylene glycol solution 400922 2 Monitoring system batteries 6 1 5 V D cell non rechargeable alkaline batteries or equivalent 715031 Chart recorder battery optional 1 9 V non rechargeable alkaline or equivalent 120218 Troubleshooting CAUTION gt Review all safety instructions prior to troubleshooting Refer to chapter 2 Safety gt Troubleshooting should only be performed by trained refrigeration technicians General Operation Problems Problem Possible Cause Action Drawer does not slide easily Debris in the slides Pull the drawer out and confirm the slides are free of debris Clean if necessary Ice buildup in the gt Pull the drawer out and confirm slides are free of slides ice De ice and clean if necessary Drawer is misaligned gt Confirm both slides for the drawer are mounted at or not level the same height A drawer slide is gt Confirm the slide is operating correctly Replace if faulty necessary Door does not open Debris in the hinges gt Confirm the hinges are free of debris Clean the easily hinges if necessary Door hinges are not gt Using a general purpose grease lubricate the lubricated pivots in the hinges Hinge cam is faulty gt Confirm the hinge cam is not damaged Replace if necessary Monitor display is hard Screen contrast is set gt Change
79. e MAIN button Press the DOWN button to highlight Edit Configuration Press the SELECT button Enter the password when prompted Press the DOWN button to highlight Alarm Setpoints Press the SELECT button Press the DOWN button to highlight Power Failure Timeout Press the DEC button to change the setting to O Switch the AC ON OFF switch OFF Power failure alarm will activate immediately Switch the AC ON OFF switch ON Power failure alarm will clear and audible alarm will cease Change the Power Failure Timeout setting to the original setting 0000929 32 Helmer i Series amp All Models 8 9 4 8 9 5 8 10 1 360087 1 R Door Ajar Alarm Test 1 Change Door Ajar Timeout setting to 0 minutes Press the MAIN button Press the DOWN button to highlight Edit Configuration Press the SELECT button Enter the password when prompted Press the DOWN button to highlight Alarm Setpoints Press the SELECT button Press the DOWN button to highlight Door Ajar Timeout Press the DEC button to change the setting to O Press the BACK button to return to the Edit Configuration screen or press the HOME button to exit New settings are saved 2 Open the door Door ajar alarm will activate immediately 3 Close the door Door ajar alarm will clear and audible alarm will cease 4 Change the Door Ajar Timeout setting to the original setting 000092 No Battery Alarm Test Test the no battery alarm to ensure the alarm provides war
80. e damaged Improper drainage may result in excessive icing and freezer s inability to maintain temperature Required tools gt 5 16 socket wrench gt Tool to push putty away from the drain tube C A D B E F G Drain tube fan and heater components Label Description A Unit cooler cover Drain port Drain fan Fan tube Heater wires Heating element Qimimgi ou Drain tube 84 Helmer 18 6 1 Horizon Series Plasma Storage Models Remove the Unit Cooler Cover A WARNING Disconnect the freezer from AC power when removing the unit cooler A CAUTION The condensate evaporator and water evaporation tray are hot NOTICE gt Before removing the unit cooler cover protect items in the freezer from extended 18 6 2 360087 1 R exposure to adverse temperature gt Allow freezer temperature to stabilize at setpoint after replacing unit cooler 1 Remove one battery from the battery holder Switch AC ON OFF switch OFF Disconnect the freezer from AC power 2 Remove the top drawer basket or shelf from the chamber NOTE Remove the Cold Shield panel Loosen three screws securing the panel to the cabinet then slide the panel to free it from the screws 3 the back of the cabinet peel the putty back to expose the drain tube and drain heater 4 Verify the heating element is cool Remove the screws and loosen the pipe straps securing the
81. e straps to secure the drain tube to the cabinet 9 Reconnect the freezer to AC power Switch AC ON OFF switch ON Reconnect the backup battery 10 Press the MUTE button to disable the high temperature alarm while freezer reaches operating temperature Supplies Refrigerant non CFC R 404A Chart paper 220419 52 sheets Propylene glycol solution 400922 2 Monitoring system battery 1 9 V non rechargeable lithium battery or equivalent 120399 Chart recorder battery optional 1 9 V non rechargeable alkaline or equivalent 120218 Troubleshooting CAUTION gt Review all safety instructions prior to troubleshooting Refer to chapter 2 Safety gt Troubleshooting should only be performed by trained refrigeration technicians General Operation Problems Problem Possible Cause Action Drawer does not slide easily Debris in the slides Pull the drawer out and confirm the slides are free of debris Clean if necessary Ice buildup in the gt Pull the drawer out and confirm slides are free of slides ice De ice and clean if necessary Drawer is misaligned gt Confirm both slides for the drawer are mounted at or not level the same height A drawer slide is gt Confirm the slide is operating correctly Replace if faulty necessary Door does not open Debris in the hinges gt Confirm the hinges are free of debris Clean the easily hinges if necessary Door hinges are
82. eaker 12 A 120220 P 55 Helmer 12 3 1 Electrical Box Electrical box features iLF120 model shown i Series All Models Label Description Part Number Defrost relay 120475 V B Compressor relay 120512 AA C Power line filter 120400 AK D Alarm buzzer 120457 D E Control board Included in the control and display E board kit F Power supply board 400633 1 AH G Temperature defrost controller programmed 400540 1 B Not Control and display board kit includes 400649 1 K E shown control board display board power supply board and interface cable 360087 1 R 56 Helmer 12 4 Interior gt Interior features iPF120 4 model shown i Series amp All Models I Schematic Label Description Part Number Label A Chart recorder probe 400855 1 Al B Upper chamber probe 400510 1 AB C Probe bottle and propylene glycol kit 400922 2 D Unit cooler Refer to subsequent section s for AG part numbers E Door switch 120380 F Storage parts Refer to subsequent section s for part numbers G Door Refer to subsequent section s for part numbers Not Lower chamber probe 800108 1 N shown Mullion heater located under strike plates 120481 Strike plate replacement kit includes strike 400687 1 plates with pre applied foam tape foil tape and replacement instructions 360087 1 R 57 i Series All Models 12 4 1
83. ed Press the DOWN button to select Change Password Press the SELECT button Enter the new password then re enter the new password when prompted gt If password entries match the update message is displayed gt If password entries do not match the incorrect match message is displayed Repeat the procedure to change the password 0 360087 1 R 71 Helmer Horizon Series Plasma Storage Models 16 4 360087 1 R Calibrate Chamber Temperature Probe Verify the temperature probe is reading chamber temperature correctly by comparing the chamber probe reading to temperature read by an independent thermometer If the chamber temperature probe is not reading correctly change the value displayed on the temperature monitoring system NOTE If the variance is within acceptable limits for your organization changing probe settings is optional gt Default setting for chamber temperature is 30 0 C P Value is factory preset Obtain gt Independent thermometer calibrated and traceable per national standards Measure the chamber temperature 1 Remove the probe from the probe bottle 2 Unscrew the cap from the bottle 3 Insert the thermometer and temperature probe in the bottle The probe and thermometer should be immersed at least 2 50 mm 4 Close the door and allow the chamber temperature to stabilize for 10 minutes 5 Observe and note the thermometer temperature EXAMPLE gt Measured tem
84. ed depending on terminals used Requirements for your alarm system determine which alarm wires must connect to terminals gt 0 5Aat 30 V RMS 1 0A at 24 V DC Connect to Remote Alarm Interface 1 Switch the AC ON OFF switch OFF Remove one battery from the monitoring system backup battery holder 2 On back of freezer locate the remote alarm terminals 3 Connect remote alarm wires to appropriate terminals according to requirements for your alarm system 4 Use a cable tie to relieve strain on alarm wires as necessary 5 Reinstall the battery in the monitoring system backup battery holder Switch the AC ON OFF switch ON 6 Touch MUTE to disable the high temperature alarm while freezer reaches operating temperature Automatic Defrost Cycle The number of programmed defrost events is dependent on environmental conditions and the frequency of usage The recommended number of daily defrost cycles is three to four at even intervals Defrost events should take place when the freezer door is opened infrequently NOTE Depending on the high temperature alarm setpoint and the actual temperature increase during the defrost cycle frequent door openings may trigger repeated high temperature alarms The independent temperature controller is located in the electrical box on the back of the freezer The controller can execute a maximum of four defrost events per day Specify the number of defrost events per day and the execution times The tim
85. ee ex REG Rad Ae ER Ea Roe A RR Ud 34 8 10 3 Display Language Ge di da ee bt ed ae 34 8 10 4 Temperature Units rrr 35 9 11 Event LOJ x deus uad REQUE RACE dee awa de aaa ee hae 35 98 11 1 Event 2 pe ER ERA EU On ERA RR RR REN ME XA a TUAM E 36 9 12 Detrost LOG vue eeu ENTIRE S UNT CURE NC RYE dE d 36 8 13 Upgrade System Firmware sa hk eg m ed e 4 O3 OR 38 8 14 Reset the i Center Monitoring System 1 0 0 0 hh 38 8 15 View Manufacturer and Product s 38 9 Temperature Controller Setpoints 38 9 1 Changethe Freezer Setpoint a eran adr RE RE ERO RR RM REG Ee Raa E BRE 38 92 Change the Hysteresis Value 2 244 ccd ee RR RE EEUU 39 10 Maintenant cocer ss e ERE dace wee ds EGRE REN xp E 39 10 1 Recharge Refrigerant 1 creek ede RR Rd Rex RR ER REOR GR OA ar LASER Ro le 39 10 2 Test Monitoring System Backup Batteries lille 40 10 3 Replace Monitoring System Backup Batteries llle 40 10 4 Clean the Freezer iei eb y Ve aec des ted eod E RR Gp C oe C Eo ie 40 10 4 1 Condenser Grill s es 40 10 4 2 External Drain Ling Fal
86. efrost heater the gt After defrosting the freezer monitor the evaporator evaporator in the unit for repeated ice buildup cooler is faulty gt Confirm the connections are secure Tighten the connections if necessary gt Confirm the drain line heater is hot and is drawing the appropriate current during a defrost event approximately 3 9 A to 5 5 A gt Replace the heater if necessary Not enough time has Wait until approximately 20 minutes after the elapsed since the end defrost cycle has ended of the defrost cycle Drain line is plugged gt Confirm the drain tube is free of debris Remove debris if necessary Defrost heater on the gt Check for ice buildup on the evaporator Shine a evaporator in the unit cooler is not working flashlight into the fan opening on the unit cooler and check for ice buildup Also feel behind the unit cooler for ice buildup If there is significant ice buildup in either area defrost the freezer 126 Helmer Horizon Series Laboratory and International Plasma Storage Models 27 Parts NOTICE gt Before replacing parts protect items in freezer from extended exposure to adverse temperature gt Allow freezer temperature to stabilize at setpoint after replacing parts or after extended door opening 27 1 Front Front features HLF120 model shown m Schematic Label Description Part Number Label A Laboratory display Refer to subsequent
87. er fan continues to run while connections Secure the connections if necessary the door is open Replace the door switch or fan motor if necessary Probe bottles are gt Check the level of product simulation solution in empty the bottles Refill the bottles if necessary A component is gt Contact a qualified service technician faulty or internal connections are loose High temperature gt Check the setpoint Change the setpoint if alarm setpoint is set necessary too low Freezer is connected Outlet connection is gt Verify power at the outlet Repair the original to power and turned faulty outlet or connect to a different outlet if necessary on but the AC Power Power supply board is gt Replace the power supply board Failure alarm is active faulty Circuit breaker was gt Confirm the circuit breaker is seated Push the tripped circuit breaker to reset it if necessary Power cord is faulty gt Confirm the power cord is connected securely Secure the power cord if necessary A component is gt Contact a qualified service technician faulty or internal connections are loose 47 Helmer Problem Possible Cause i Series All Models Action Door Open alarm is activating sporadically Door is not closing completely gt Confirm the door is aligned and the hinge cams are not damaged Replace if necessary Door is closing but not gt Confirm the door gasket seals complete
88. es are free of debris Clean if necessary Ice buildup in the gt Pull the drawer out and confirm slides are free of slides ice De ice and clean if necessary Drawer is misaligned gt Confirm both slides for the drawer are mounted at or not level the same height A drawer slide is gt Confirm the slide is operating correctly Replace if faulty necessary Door does not open Debris in the hinges gt Confirm the hinges are free of debris Clean the easily hinges if necessary Door hinges are not gt Using a general purpose grease lubricate the lubricated pivots in the hinges Hinge cam is faulty gt Confirm the hinge cam is not damaged Replace if necessary Monitor display is hard Screen contrast is set gt Change the screen contrast to read too low Display on the Defrost probe gt Check the continuity of the probe wiring and temperature defrost or temperature connections Secure the connections if necessary controller is flashing probe wiring is an gt Confirm the probe is providing resistance in the open circuit or a component is faulty or internal connections are loose range of 1191 O to 2000 O Replace the probe if necessary 86 Helmer 19 2 360087 1 R Chamber Temperature Problems Problem Possible Cause Horizon Series Plasma Storage Models Action Chamber temperature displayed is higher or lower than the actual temperature Connections for the
89. et if necessary on but the AC Power Power supply board is gt Replace the power supply board Failure alarm is active faulty Circuit breaker was gt Confirm the circuit breaker is seated Push the tripped circuit breaker to reset it if necessary Power cord is faulty gt Confirm the power cord is connected securely Secure the power cord if necessary A component is gt Contact a qualified service technician faulty or internal connections are loose 89 Helmer Problem Possible Cause Horizon Series Plasma Storage Models Action Door Open alarm is activating sporadically Door is not closing completely gt Confirm the door is aligned and the hinge cams are not damaged Replace if necessary Door is closing but not gt Confirm the door gasket seals completely sealing completely Replace the door gasket if necessary Connections for the gt Test the switch connections Secure the door switch are faulty connections if necessary Door switch is faulty gt Replace the door switch Control board is faulty gt Replace parts with those included in the control and display board kit Door Ajar Timeout is gt Check the current setpoint for the Door Ajar alarm set to zero causing Change the setpoint if necessary the alarm to activate immediately when the door is opened A component is gt Contact a qualified service technician faulty or internal conne
90. f into chamber placing it on brackets 2 Gently bump rear edge of the shelf downward to engage brackets 3 Pulling shelf forward gently shelf should not disengage from rear brackets 109 Helmer Horizon Series Laboratory and International Plasma Storage Models 23 5 23 6 360087 1 R Move Slides and Brackets Remove drawer slides 1 Using a screwdriver remove front bracket retainers 2 Tap front brackets upward to disengage standards 3 Remove slides from standards Install drawer slides 1 Insert slides into standard at appropriate height 2 Tap front brackets downward to engage standards 3 Using a screwdriver install front bracket retainers Remove shelf brackets 1 Using a screwdriver remove front bracket retainers 2 Tap front brackets upward to disengage standards 3 Remove front brackets from standards Install shelf brackets 1 Insert front brackets into standard at appropriate height 2 Tap front brackets downward to engage standards 3 Using a screwdriver install front bracket retainers Optional Adapter Kits for Medication Dispensing Locks Contact Helmer Technical Service or your distributor for service documentation pertaining to medication dispensing locks 110 Helmer Settings Through the Laboratory combined monitor and controller current settings may be viewed and changed 24 24 1 360087 1 R Horizon Series Laboratory and International Plasma Storage Models Monito
91. freezer from extended exposure to adverse temperature gt Allow freezer temperature to stabilize at setpoint after performing service or after extended door opening NOTE Refer to the operation manual for the preventive maintenance schedule Recharge Refrigerant CAUTION gt Review all safety instructions prior to recharging refrigerant Refer to chapter 2 Safety Maintenance should only be performed by trained refrigeration technicians NOTICE Use only non CFC R 404A refrigerant Full initial refrigerant charge varies by model and power requirements which can be found on the product specification label Model Initial Charge 120 125 29 0 oz 822 g Obtain gt Refrigerant gt Calibrated pressure gauge 0 psi to 220 psi 0 kPa to 1520 kPa 39 Helmer i Series amp All Models 10 2 10 3 10 4 10 4 1 10 4 2 10 4 3 10 4 4 360087 1 R Add refrigerant 1 Attach pressure gauge to the fittings on the refrigeration lines 2 Monitor the low side suction pressure through a full compressor cycle 3 Measure the pressure at the end of the next cycle immediately before the compressor stops NOTE Pressure varies depending on ambient air temperature 4 Addrefrigerant Check the pressure on the low side and high side Models with TXV expansion valve gt Low side 2 psi to 4 psi 14 kPa to 28 kPa gt High side 170 psi to 220 psi 1172 kPa to 1520 kPa Models
92. glass of product simulation solution 3 Place the glass in the freezer and close the door 4 When the glass contents have stabilized at the chamber temperature remove the glass from the freezer 5 While stirring probe in product simulation solution allow the glass contents to warm up to room temperature and observe the temperature on the monitor 6 When high temperature alarm is activated note the temperature on the independent thermometer Remove the probe from the glass 8 Place probe in probe bottle immersing it at least 2 50mm N 76 Helmer 16 8 2 16 8 3 16 9 16 9 1 360087 1 R Horizon Series Plasma Storage Models Power Failure Alarm Test NOTE gt During a power failure the power failure alarm activates and the batteries provide power to the monitoring system gt power fails the backup batteries will allow for continued data collection and temperature display gt Ifthe backup batteries fail data is not collected and the temperature is not displayed gt When power is restored the 24 hours of data prior to the power loss are retained in the system memory Stored temperature data is displayed on the graph and the monitoring system resumes data collection and display 1 Confirm the freezer is connected to AC power 2 Ensure the monitoring system backup batteries are installed 3 Change Power Failure Timeout setting to 0 minutes a Press the MAIN button b Press the DOWN button to h
93. gt During an AC power failure the screen contrast cannot be changed Change screen contrast On the HOME screen press the third button from the left to make the text appear lighter 2 HOME screen press the second button from the left to make the text appear darker 1 77 r Helmer Horizon Series Plasma Storage Models 16 9 2 16 9 3 360087 1 R Date and Time The Date Format setting controls the order in which the month mm and day dd are displayed gt Month is a 2 digit number 01 12 gt Day is a 2 digit number 01 31 gt Default date format is mm dd yyyy The Clock Mode setting controls whether the time is displayed in a 12 hour or 24 hour format gt When using the 12 hour format AM or PM must be specified gt Default setting is 12 hour Change date and time settings Press the MAIN button Press the DOWN button to highlight Edit Configuration Press the SELECT button Enter the password when prompted Press the DOWN button to highlight Set Date amp Time Press the SELECT button Press the UP or DOWN buttons to select the date and time settings to change Press the INC or DEC buttons to change the setting Press the BACK button to return to the Edit Configuration screen or press the HOME button to exit The new settings are saved NO WD Display Language The Horizon Series monitoring system stores two languages English is the default language If a different language is de
94. h to water gt Bleach is 5 solution of commercial sodium hypochlorite NaOCl gt Equivalent oxidizing cleaner disinfectant approved by your organization may be substituted gt 402 120 mL of product simulation solution per bottle gt 1 1 ratio of water to propylene glycol or equivalent low temperature fluid Clean and refill bottle Remove probe from bottle Remove bottle from bracket Clean bottle with water bleach solution Fill bottle with 4 oz 120 mL of product simulation solution Cap bottle tightly to minimize evaporation Place bottle in bracket Replace probe immersing at least 2 50 mm NO 118 Helmer Horizon Series Laboratory and International Plasma Storage Models 25 5 360087 1 R Unit Cooler Cover Removal and Installation If unit cooler cover is not removed as detailed in this procedure the drain port may be damaged Improper drainage may result in excessive icing and freezer s inability to maintain temperature Required tools gt 5 16 socket wrench gt Tool to push putty away from the drain tube C A D B E F G Drain tube fan and heater components Label Description A Unit cooler cover Drain port Drain fan Fan tube Heater wires Heating element Qimimgi ou Drain tube 119 Helmer 25 5 1 Horizon Series Laboratory and International Plasma Storage Models Remove the Unit Cooler Cover A W
95. he UP or DOWN arrow buttons until the desired hour is displayed 4 Press the P button gt The setting is changed and P34 is displayed 5 Select the Minute parameter P35 a Press the UP or DOWN arrow buttons until P35 is displayed b Press the P button c The current minute setting is displayed 6 Change the Minute parameter a Press the UP or DOWN arrow buttons until the desired minute is displayed 7 Press the P button gt The Hour and Minute parameters are changed and P35 is displayed 19 Helmer i Series amp All Models 8 Exit program mode a Press the UP or DOWN arrow buttons until P01 is displayed or b Do not press any buttons for four minutes Parameter 01 P01 is displayed 7 3 2 Set Scheduled Defrost Times Defrost event times are controlled by four parameters P24 P25 P26 and P27 Parameter Description Range Default Setting P24 Defrost event 1 time 000 to 235 or OFF 000 25 Defrost event 2 time 000 to 235 or OFF 080 P26 Defrost event 3 time 000 to 235 or OFF 160 P27 Defrost event 4 time 000 to 235 or OFF OFF Each parameter is set either to OFF indicating that the defrost event is disabled or a three digit number representing the time of the defrost event gt The first two digits represent the hour in 24 hour format gt The third digit represents the minute in 10 minute intervals NOTE 16X represents 4 PM XX2 represents 20 minutes 162 represen
96. he bottle 3 Insert the thermometer and temperature probe in the bottle The probe and thermometer should be immersed at least 2 50 mm 4 Close the door and allow the chamber temperature to stabilize for 10 minutes 5 Observe and note the thermometer temperature EXAMPLE gt Measured temperature at the probe bottle is 30 0 gt Displayed temperature is 32 0 C gt Change displayed temperature to 30 0 C Enter the new calibration value 1 Onthe HOME screen press the MAIN button 2 Press the DOWN button to highlight Edit Configuration Press the SELECT button 3 Enter the password when prompted 4 Press the DOWN button to highlight Temperature Calibration Press the SELECT button a Select Temp Probe Upper Lower option is highlighted b Press the INC or DEC buttons to select the Upper or Lower probe option c Press the DOWN button to highlight Temperature d Press the INC or DEC buttons to change the temperature calibration value 26 Helmer i Series amp All Models 5 Press the DOWN button to highlight Store Calibration a To save the new value press the ENTER button The Calibration Memorized message appears New settings are saved b discard the new value press the BACK button or HOME button to exit New settings are not saved 6 Remove thermometer and probe from bottle Replace bottle cap ensuring a tight fit 8 Place the probe in bottle immersing at least 2 50 mm N NO
97. he freezer is placed appropriately temperature around the freezer is too high A component is gt Contact a qualified service technician faulty or internal connections are loose Evaporator is covered Check for ice buildup on the evaporator Shine a with ice and is not exchanging heat Alarm Activation Problems Problem Possible Cause flashlight into the fan opening on the unit cooler and check for ice buildup Also feel behind the unit cooler for ice buildup If there is significant ice buildup in either area defrost the freezer Action Freezer is in an alarm condition but alarms are not audible A component is faulty or internal connections are loose Confirm the circuit board and line connections are functioning correctly Control board is faulty gt Replace parts with those included in the control and display board kit Alarm buzzer is faulty gt Replace the alarm buzzer 88 Helmer Problem Possible Cause Horizon Series Plasma Storage Models Action Freezer meets an alarm condition but the appropriate alarm Control board is faulty gt Replace parts with those included in the control and display board kit Alarm setpoint was gt Check the current setpoints for the alarms is not active changed Change the setpoints if necessary A component is gt Contact a qualified service techn
98. hnical Service Change the setpoint Press the MAIN button Press the DOWN button to highlight Edit Configuration Press the SELECT button Enter the password when prompted Press the DOWN button to highlight Alarm Setpoints Press the SELECT button Press the DOWN button to highlight Cond Alarm Setpoint Press the INC or DEC buttons to change the setting Press the BACK button to return to the Edit Configuration screen or press the HOME button to exit The new settings are saved kh WON Door Ajar Alarm The Door Ajar Timeout specifies longest time the freezer door can be open before the alarm activates If the time elapsed since the last door opening is greater than or equal to this value the alarm activates gt Default delay setting is three minutes gt Setting can be changed from 0 minutes to 60 minutes Change the alarm delay Press the MAIN button Press the DOWN button to highlight Edit Configuration Press the SELECT button Enter the password when prompted Press the DOWN button to highlight Alarm Setpoints Press the SELECT button Press the DOWN button to highlight Door Ajar Timeout Press the INC or DEC buttons to change the setting wh 29 Helmer i Series amp All Models 8 8 6 8 8 7 360087 1 R 7 Press the BACK button to return to the Edit Configuration screen or press the HOME button to exit The new settings are saved Power Failure Alarm The Power Failure
99. hours earlier was the temperature eight hours ago If battery power fails the monitoring system stops displaying temperature data and stops collecting new temperature data The past 24 hours of data temperature data is retained When AC power is restored the stored data is displayed and the monitor resumes collecting and displaying real time temperature data In this case there is an interruption in data collection the temperature displayed on the graph for eight hours earlier was the temperature at eight hours before the backup power failed Enable or Disable the Temperature Graph The i Center has a real time temperature graph which displays temperature probe readings for the past 24 hours of operation This graph appears on the bottom of the HOME screen when no button has been pressed for one minute and if no alarm is active The graph clears if a button is pressed or an alarm activates NOTE The temperature graph is enabled by default Enable or disable the temperature graph On the HOME screen press the MAIN button Press the DOWN button to select Edit Configuration Press the SELECT button Enter the password when prompted Press the DOWN button to select Alarm Setpoints Press the SELECT button Press the DOWN button to select Temperature Graph Press the INC or DEC buttons to select enable or disable the temperature graph Press the BACK button to return to the Edit Configuration screen or press the HOME button to exi
100. ician faulty or internal connections are loose Alarm monitor is not Digital electronics are gt Reset the monitoring system responding locked because of an interruption in power Chamber temperature High temperature gt Check the current setpoint for the high temperature meets the high alarm alarm setpoint was alarm Change the setpoint if necessary condition but the high changed temperature alarm is not active High Temperature Connections for the gt Test the probe connections Secure the alarm activates when chamber temperature connections if necessary the door is opened probe are loose then clears shortly Chamber temperature Test the probe Replace the probe if necessary sid d door is probe is faulty TESTIS Unit cooler fan gt Test the door switch and unit cooler fan continues to run while connections Secure the connections if necessary the door is open Replace the door switch or fan motor if necessary Probe bottles are gt Check the level of product simulation solution in empty the bottles Refill the bottles if necessary A component is gt Contact a qualified service technician faulty or internal connections are loose High temperature gt Check the setpoint Change the setpoint if alarm setpoint is set necessary too low Freezer is connected Outlet connection is gt Verify power at the outlet Repair the original to power and turned faulty outlet or connect to a different outl
101. ighlight Edit Configuration Press the SELECT button c Enter the password when prompted d Press the DOWN button to highlight Alarm Setpoints Press the SELECT button e Press the DOWN button to highlight Power Failure Timeout f Press the DEC button to change the setting to 0 4 Switch the AC ON OFF switch OFF Power failure alarm will activate immediately 5 Switch the AC ON OFF switch ON Power failure alarm will clear and audible alarm will cease 6 Change the Power Failure Timeout setting to the original setting Door Ajar Alarm Test 1 Change Door Ajar Timeout setting to 0 minutes a Press the MAIN button b Press the DOWN button to highlight Edit Configuration Press the SELECT button c Enter the password when prompted d Press the DOWN button to highlight Alarm Setpoints Press the SELECT button e Press the DOWN button to highlight Door Ajar Timeout f Press the DEC button to change the setting to 0 g Press the BACK button to return to the Edit Configuration screen or press the HOME button to exit New settings are saved 2 Open the door Door ajar alarm will activate immediately 3 Close the door Door ajar alarm will clear and audible alarm will cease 4 Change the Door Ajar Timeout setting to the original setting Additional System Settings Screen Contrast The screen contrast can be changed for easier viewing NOTE gt During an AC power failure the screen backlight is not illuminated to conserve backup battery power
102. 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 FOR A PARTICULAR PURPOSE NO WARRANTIES OF MERCHANTABILITY OR FITNESS FOR PARTICULAR PURPOSE SHALL APPLY THE LIABILITY IF ANY OF HELMER FOR DIRECT DAMAGES WHETHER ARISING FROMA 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 15 Helmer General Information 6 2 360087 1 R SERVICES IS LIMITED TO AN AMOUNT NOT TO EXCEED THE PRICE OF THE PARTICULAR
103. ing Install the Unit Cooler Cover 1 Verify unit cooler wiring is connected and routed correctly a Wiring should be routed above copper tube inside the unit cooler b Reconnect wires if they have separated Attach unit cooler cover a Lift unit cooler cover into place b Front edge of the cover should be behind the unit cooler case Use the socket wrench to install four screws to secure the unit cooler cover Insert the drain tube and drain hose through the hole in the cabinet a Push drain tube and drain hose upward at an angle toward the unit cooler drain port b Pivot the drain tube and drain hose downward then push the assembly upward c Inthe chamber push the drain hose onto the drain hose Attach the drain tube to the fan tube Insert the drain line heater in the drain tube a Insert the heater at an upward angle b The black heating element should no longer be visible On the back of the cabinet press putty around the drain tube and drain line heater 43 Helmer 7 Reinstall top drawer basket or shelf 10 7 11 360087 1 R i Series amp All Models NOTE For iPF models reinstall the Cold Shield panel 8 Reattach the pipe straps to secure the drain tube to the cabinet 9 Reconnect the freezer to AC power Switch AC ON OFF switch ON Reinstall the battery in the battery holder 10 Press the MUTE button to disable the high temperature alarm while freezer reaches operating temperatur
104. ing press SEL again optional Hold Up Arrow and Down Arrow for three seconds MONITOR lamp stops flashing to indicate exit from program mode Flashing Lamp Selected Setting HIGH TEMP and MONITOR High temp alarm setpoint LOW TEMP and MONITOR Low temp alarm setpoint MONITOR only Monitor offset CONTROL only Control sensor offset CONTROL only Control hysteresis 360087 1 R 113 Helmer Horizon Series Laboratory and International Plasma Storage Models 24 4 1 24 4 2 Monitor Offset gt Adjust if temperature displayed on the monitor does not match measured chamber temperature gt Value is factory set to match an independent thermometer gt Value can be changed from 10 0 C to 10 0 C NOTE gt Ifthe variance is within acceptable limits changing the offset value is optional P Probes in the bottle are connected to the monitoring system and sense chamber temperature These probes do not affect freezer setpoint Obtain gt Independent thermometer calibrated and traceable per national standards gt to attach thermometer to temperature probe Measure the chamber temperature 1 Remove the probe from the probe bottle 2 Unscrew the cap from the bottle 3 the thermometer to the temperature probe and place them in the bottle The probe and thermometer should be immersed at least 2 50 mm Close the door and allow the chamber temperature to stabilize for 10 minu
105. ing is based on the current time setting on the independent temperature controller 18 Helmer i Series amp All Models 7 3 1 360087 1 R Independent temperature controller Defrost Event On Off Default Time 1 On 12 00 AM 2 On 8 00 AM 3 On 4 00 PM 4 Off Set the Time on the Independent Temperature Controller NOTE gt The current time on the independent temperature controller should be set to match the time on the i Center monitoring system To change the value for a parameter first enter the program mode for that level When there is no interaction for four minutes the temperature controller exits program mode and returns to normal mode Defrost event times are based on the current time setting on the temperature defrost controller The current time is controlled by two parameters P34 and P35 Parameter Description Range P34 Hour setting for current time 24 hour format 00 midnight to 23 P35 Minute setting for current time 00 to 59 Set the current time 1 On the independent temperature controller press the P button to access the parameter menu gt PXX is displayed where is a parameter number 2 Select the Hour parameter P34 a Press the UP or DOWN arrow buttons until P34 is displayed b Press the P button c current hour setting is displayed in 24 hour time Example 2 PM is displayed as 14 3 Change the Hour parameter a Press t
106. ion requires a chamber temperature other than 30 0 gt The normal chamber temperature is too high or low after completing preventive maintenance and applicable troubleshooting tasks Confirm gt Freezer has been placed per location requirements in the operation manual gt Preventive maintenance has been completed per operation manual gt Troubleshooting items associated with chamber temperature have been reviewed if necessary Change setpoint 1 Determine the change in value to reach desired setpoint Adjustment should be the difference between current setpoint and new setpoint EXAMPLE gt Current setpoint is 30 0 gt Target setpoint is 28 0 C gt Setpoint adjustment value is 2 0 C 2 the monitoring system press and release SEL to change to Control mode CONTROL lamp will illuminate 3 Press and hold SET to display the reference temperature 4 Hold SET and press Up Arrow or Down Arrow as necessary to set the adjustment value determined in step 2 5 Release all buttons the setpoint is changed 6 Press and release SEL to return to Monitor mode MONITOR lamp will illuminate Temperature Alarm Setpoints View setpoints 1 Hold Up Arrow and Down Arrow for three seconds MONITOR lamp will flash to indicate entry into program mode Press SEL until desired setting appears Observe the setting To view another setting press SEL again optional Hold Up Arrow and Down Arrow for three seco
107. is reading temperature probe is correctly Calibrate the probe if necessary not calibrated Condensation Problems Problem Possible Cause Action Excessive water in Heater in the gt Confirm the heater is hot and is drawing the the water evaporation evaporation tray is appropriate current approximately 0 21 A to tray faulty 0 35 A Replace the heater if necessary Humid air is entering gt Confirm the freezer is level and the door is the chamber aligned closing tightly and sealing correctly Contact a qualified service technician to correct issues as necessary 124 Helmer Problem Horizon Series Laboratory and International Plasma Storage Models Possible Cause Action Excessive ice in the chamber Humid air is entering the chamber gt Confirm the freezer is level and the door is aligned closing tightly and sealing correctly Correct issues as necessary Drain port on the unit cooler was damaged during removal of the unit cooler cover gt Confirm the drain port on the unit cooler is intact External drain fan is faulty gt Confirm the external drain fan is running Hold a piece of paper in front of the fan and check that the paper is being drawn toward the freezer gt Confirm the connections are secure Tighten the connections if necessary gt Replace the external drain fan Connection between the unit cooler and the drain line is loose gt Confirm the
108. issues as necessary 49 Helmer Problem Possible Cause i Series All Models Action Excessive ice in the chamber Humid air is entering the chamber gt Confirm the freezer is level and the door is aligned closing tightly and sealing correctly Correct issues as necessary Drain port on the unit cooler was damaged during removal of the unit cooler cover gt Confirm the drain port on the unit cooler is intact External drain fan is faulty gt Confirm the external drain fan is running Hold a piece of paper in front of the fan and check that the paper is being drawn toward the freezer gt Confirm the connections are secure Tighten the connections if necessary gt Replace the external drain fan Connection between the unit cooler and the drain line is loose gt Confirm the connection is secure Contact a qualified service technician to tighten the connection if necessary Drain line is plugged gt Confirm the drain tube is free of debris Remove debris if necessary External drain fan is not running gt Confirm the external drain fan is running Contact a qualified service technician to correct issues as necessary Evaporator is covered with ice and is not exchanging heat gt Check for ice buildup on the evaporator Shine a flashlight into the fan opening on the unit cooler and check for ice buildup Also feel behind the unit cooler for ice build
109. larms are active backup power for the monitoring system is available for up to two hours NOTICE When installing replacement batteries use only batteries which meet the specifications outlined in chapter 10 7 Supplies The batteries are located on the top of the freezer behind the monitoring system Monitoring system backup batteries Five batteries are installed and one battery is included in the accessory package Install the sixth battery to provide power to the monitoring system in the event of an AC power failure 17 Helmer i Series amp All Models 7 2 External Monitoring Devices A CAUTION gt The interface on the remote alarm monitoring system is intended for connection to 7 2 1 7 3 360087 1 R the end user s central alarm system s that uses normally open or normally closed dry contacts gt If an external power supply exceeding 30 V RMS 60 V DC is connected to the remote alarm monitoring system s circuit the remote alarm will not function properly may be damaged or may result in injury to the user NOTE In the event of a power failure the power failure alarm condition is transmitted through the remote alarm contacts The remote alarm interface is a relay switch with three terminals gt Common gt Normally Open NO gt Normally Closed NC Terminals are dry contacts and do not supply voltage Interface circuit is either normally open or normally clos
110. ls the order in which the month mm and day dd are displayed gt Month is 2 digit number 01 12 gt Day is a 2 digit number 01 31 gt Default date format is mm dd yyyy The Clock Mode setting controls whether the time is displayed in a 12 hour or 24 hour format gt When using the 12 hour format AM or PM must be specified gt Default setting is 12 hour Change date and time settings Press the MAIN button Press the DOWN button to highlight Edit Configuration Press the SELECT button Enter the password when prompted Press the DOWN button to highlight Set Date amp Time Press the SELECT button Press the UP or DOWN buttons to select the date and time settings to change Press the INC or DEC buttons to change the setting Press the BACK button to return to the Edit Configuration screen or press the HOME button to exit The new settings are saved NO WD Display Language The i Center monitoring system stores two languages English is the default language If a different language is desired it must be loaded from the flash memory card If a flash memory card is not included with the freezer the languages may have been loaded to the i Center prior to shipment To obtain a flash memory card to load an alternate language contact Helmer Technical Service NOTE Each time the freezer is powered on the i Center display language must be selected Set the display language on power on 1 Connect the freeze
111. ly sealing completely Replace the door gasket if necessary Connections for the gt Test the switch connections Secure the door switch are faulty connections if necessary Door switch is faulty gt Replace the door switch Control board is faulty gt Replace parts with those included in the control and display board kit Door Ajar Timeout is gt Check the current setpoint for the Door Ajar alarm set to zero causing Change the setpoint if necessary the alarm to activate immediately when the door is opened A component is gt Contact a qualified service technician faulty or internal connections are loose All alarms are Alarm system is faulty gt Confirm the circuit board and line connections are activating sporadically functioning correctly 360087 1 R Control board is faulty gt Replace parts with those included in the control and display board kit A component is gt Contact a qualified service technician faulty or internal connections are loose Condenser alarm is Refrigerant level is too gt Check the refrigerant level Recharge the active low refrigerant if necessary Connections for gt Test the probe connections Secure the the condenser temperature probe are loose connections if necessary The condenser temperature probe is faulty Test the probe Replace the probe if necessary Condensing unit fan gt Replace the condensing unit f
112. m 40 0 C to 0 0 C Change the setpoint Press the MAIN button Press the DOWN button to highlight Edit Configuration Press the SELECT button Enter the password when prompted Press the DOWN button to highlight Alarm Setpoints Press the SELECT button Press the DOWN button to highlight High Alarm Setpoint Press the INC or DEC buttons to change the setting Press the BACK button to return to the Edit Configuration screen or press the HOME button to exit The new settings are saved NO Rh WD Door Ajar Alarm The Door Ajar Timeout specifies longest time the freezer door can be open before the alarm activates If the time elapsed since the last door opening is greater than or equal to this value the alarm activates gt Default delay setting is three minutes gt Setting can be changed from 0 minutes to 60 minutes Change the alarm delay Press the MAIN button Press the DOWN button to highlight Edit Configuration Press the SELECT button Enter the password when prompted Press the DOWN button to highlight Alarm Setpoints Press the SELECT button Press the DOWN button to highlight Door Ajar Timeout Press the INC or DEC buttons to change the setting Press the BACK button to return to the Edit Configuration screen or press the HOME button to exit The new settings are saved NO WD 74 Helmer Horizon Series Plasma Storage Models 16 7 5 Power Failure Alarm The Power Failure Timeout specifie
113. med by trained refrigeration technicians NOTICE Use only non CFC R 404A refrigerant Full initial refrigerant charge varies by model and power requirements which can be found on the product specification label Model Initial Charge 120 125 29 0 oz 822 g Obtain gt Refrigerant gt Calibrated pressure gauge 0 psi to 220 psi 0 kPa to 1520 kPa Add refrigerant 1 Attach pressure gauge to the fittings on the refrigeration lines 2 Monitor the low side suction pressure through a full compressor cycle 3 Measure the pressure at the end of the next cycle immediately before the compressor stops NOTE Pressure varies depending on ambient air temperature 116 Helmer Horizon Series Laboratory and International Plasma Storage Models 25 2 25 3 25 4 25 4 1 25 4 2 25 4 3 25 4 4 25 4 5 360087 1 R 4 Add refrigerant Check the pressure on the low side and high side Models with TXV expansion valve gt Low side 2 psi to 4 psi 14 kPa to 28 kPa P High side 170 psi to 220 psi 1172 kPa to 1520 kPa Models with capillary tube gt Low side 4 psi to 7 psi 30 kPa to 50 kPa P High side 100 psi to 220 psi 690 kPa to 1520 kPa 5 Remove pressure gauge Test Monitoring System Backup Battery The monitoring system does not indicate the charge level of the battery Regularly test the battery Replace battery if the test fails or if the battery has been in use for one year
114. mer Press the INC or DEC buttons to select Enabled Disabled or Reset Do one of the following gt If Enabled or Disabled is selected press the BACK button to return to the System Options screen or press the HOME button to exit The new setting is saved gt If Reset is selected a Press the DOWN button b Press the PAPER CHANGED button The System Options screen appears with the Chart Paper Timer set to Enabled 8 Press the BACK button to return to the System Options screen or press the HOME button to exit The new setting is saved NO oh WN 30 i Series amp All Models 8 9 Test Alarms Test alarms to ensure they are working correctly The freezer has alarms for chamber temperature compressor temperature door open time no battery and power failure NOTICE Before testing alarms protect items in the freezer from extended exposure to adverse temperature 8 9 1 Automatic Chamber Temperature Alarm Test NOTE gt Calibrate the chamber temperature probe prior to performing the Automatic Chamber alarm test The test can be aborted by selecting the Cancel High Test option gt The test takes less than five minutes When performing an automatic temperature alarm test the Peltier device heats or cools the temperature probe until the high or low alarm setpoint is reached An event is added to the Event Log to indicate a temperature alarm was activated Test the high alarm 1 Identify
115. mild detergent Clean stainless steel surfaces with a general purpose laboratory cleaner suitable for stainless steel 40 Helmer i Series amp All Models 10 4 5 10 4 6 10 5 360087 1 R Door Gaskets Clean with soft cloth and mild soap and water solution Clean and Refill Probe Bottles NOTE A kit that includes a probe bottle and propylene glycol is available from Helmer Obtain gt Fresh water bleach solution not provided gt 1 9 ratio of bleach to water gt Bleach is 5 solution of commercial sodium hypochlorite NaOCl gt Equivalent oxidizing cleaner disinfectant approved by your organization may be substituted gt 402 120 mL of product simulation solution per bottle gt 1 1 ratio of water to propylene glycol or equivalent low temperature fluid Clean and refill bottle Remove probe from bottle Remove bottle from bracket Clean bottle with water bleach solution Fill bottle with 4 oz 120 mL of product simulation solution Cap bottle tightly to minimize evaporation Place bottle in bracket Replace probe immersing at least 2 50 mm NO oh WN Defrost the Unit Cooler Defrost cycles are programed to occur at specific times A defrost cycle can be manually initiated outside of the programmed defrost times as described below Independent temperature controller defrost lamp circled Start a defrost event On the independent temperature controller press the P button
116. mperature Controller Setpoints Independent temperature controller The temperature controller is located in the electrical box on the back of the freezer Temperature controller setpoints are programmed at the factory Setpoints can be viewed and changed through the temperature controller 17 1 Change the Freezer Setpoint NOTICE Do not change the setpoint to a value outside the temperature control range NOTE gt Default setpoint is 32 0 C which causes the freezer to maintain a temperature of 30 0 gt When there is no interaction for four minutes the temperature controller exits program mode and returns to normal mode gt The reference temperature displayed on the temperature controller may not be the same as the temperature displayed on the i Center monitoring system 1 Observe the chamber temperature displayed on the Horizon Series monitoring system after the monitoring probe has been calibrated 2 Determine how much the freezer setpoint will be changed EXAMPLE gt Current setpoint is 30 0 C gt Target setpoint is 28 0 C gt Setpoint adjustment value is 2 0 C 3 the temperature controller press and hold the P button gt is displayed where is a parameter value 4 Adjust the freezer setpoint a Press the UP or DOWN arrow buttons until is displayed b Press the P button gt The current setpoint is displayed c Press the UP or DOWN arrow but
117. n Series Plasma Storage Models 16 2 Main Screen The Main screen displays functional options that allow access to all other screens in the system MA TN Edit Configuration View Configuration Product Company Information HOME UP DOWN SELECT 00000 MAIN screen functional options Option Function Edit Configuration password Change the language used for text required Change date and time information Change temperature units Change the volume and pattern for audible alarms Enable or disable the chart paper timer Change alarm related setpoints and timers Calibrate the temperature probe reading Change some settings to the factory default values Change the password preventing unauthorized changes View the date and time formats View alarm related setpoints and timers View the volume and pattern for audible alarms View the setting for the chart paper timer View the settings for temperature and time alarms View Configuration Product Company Information View the software versions for control and display components of the monitoring system View information to contact Helmer Y VIVVVVVIVVVVVVVVYV 16 3 Change Configuration Password The default password is 1234 A new password must use four digits ranging from 1 to 5 Change the password On the HOME screen press the MAIN button Press the DOWN button to select Edit Configuration Press the SELECT button Enter the password when prompt
118. n line fan 120511 Z B Drain line heater 120485 Electrical box Refer to subsequent section s for part numbers D Condensate evaporator kit Includes 400790 2 J the condensate evaporator and water evaporation tray E Main power switch 120478 Q F Circuit breaker 12 A 120220 P 96 Helmer 20 3 1 Electrical Box Electrical box features HLF120 model shown Horizon Series Plasma Storage Models Label Description Part Number Compressor relay 120512 AA B Power line filter 120400 AK C Alarm buzzer 120457 D D Control board Included in the control and display E board kit E Power supply board 400633 1 AH F Temperature defrost controller programmed 400540 1 B Not Control and display board kit Includes 400649 2 K E shown control board display board power supply board and interface cable 360087 1 R 97 Helmer 20 4 Interior Interior features HPF120 4 model shown Horizon Series Plasma Storage Models ee Schematic Label Description Part Number Label A Chart recorder probe 400855 1 Al B Chamber probe 800108 1 AB C Probe bottle and propylene glycol kit 400922 2 D Unit cooler Refer to subsequent section s for AG part numbers E Door switch 120380 F Storage parts Refer to subsequent section s for part numbers G Door Refer to subsequent section s for part numbers Not Mullion heater located under strike
119. nd connect the battery to provide power to the monitoring system in the event of an AC power failure 105 Helmer Horizon Series Laboratory and International Plasma Storage Models 23 2 External Monitoring Devices A CAUTION gt The interface on the remote alarm monitoring system is intended for connection to 23 2 1 360087 1 R the end user s central alarm system s that uses normally open or normally closed dry contacts gt If an external power supply exceeding 30 V RMS or 60 V DC is connected to the remote alarm monitoring system s circuit the remote alarm will not function properly may be damaged or may result in injury to the user NOTE In the event of a power failure the power failure alarm condition is transmitted through the remote alarm contacts The remote alarm interface is a relay switch with three terminals gt Common gt Normally Open NO gt Normally Closed NC Terminals are dry contacts and do not supply voltage Interface circuit is either normally open or normally closed depending on terminals used Requirements for your alarm system determine which alarm wires must connect to terminals gt 0 25 Aat 30 V RMS 0 25 A at 60 V DC Connect to Remote Alarm Interface 1 Switch the AC ON OFF switch OFF Disconnect the monitoring system backup battery 2 the electrical box locate the remote alarm terminals 3 Connect remote alarm wires to appropriate terminal
120. ndition commences and when the visual and audible alarms are initiated 8 8 1 Alarm Volume The alarm volume can be changed The Alarm Volume controls volume for all audible alarms gt Default setting is 10 gt Setting can be changed from 1 to 10 gt 1 is the quietest setting 10 is the loudest setting Change the alarm volume Press the MAIN button Press the DOWN button to highlight Edit Configuration Press the SELECT button Enter the password when prompted Press the DOWN button to highlight System Options Press the SELECT button Press the DOWN button to highlight Alarm Volume Press the INC or DEC buttons to change the setting Press the BACK button to return to the Edit Configuration screen or press the HOME button to exit The new settings are saved NO oa fh 8 8 2 Alarm Pulse The alarm pattern can be changed This is useful if several freezers with alarms are collocated and distinguishing the source of the alarm quickly is desirable gt Default setting is Single gt Setting can be changed between Single Double Triple and Constant Change the alarm pulse Press the MAIN button Press the DOWN button to highlight Edit Configuration Press the SELECT button Enter the password when prompted Press the DOWN button to highlight System Options Press the SELECT button Press the DOWN button to highlight Alarm Pulse Press the INC or DEC buttons to change the setting Press the BACK button
121. nds MONITOR lamp stops flashing to indicate exit from program mode cO Flashing Lamp Selected Setting HIGH TEMP and MONITOR High temp alarm setpoint LOW TEMP and MONITOR Low temp alarm setpoint MONITOR only Monitor offset CONTROL only Control sensor offset CONTROL only Control hysteresis NOTICE The Low Alarm Setpoint is not used in Helmer freezers 112 Helmer Horizon Series Laboratory and International Plasma Storage Models 24 3 1 High Temperature Alarm gt Specifies the temperature at which the High Temperature Alarm activates gt Default setpoint is 20 0 gt Setpoint can be changed from 40 0 C to 25 0 C Change the setpoint 1 Hold Up Arrow and Down Arrow for three seconds MONITOR lamp will flash to indicate entry into program mode 2 Press SEL until HIGH TEMP and MONITOR lamps flash 3 Hold SET then press Up Arrow or Down Arrow to change the setpoint 4 Release SET button 5 Hold Up Arrow and Down Arrow for three seconds MONITOR lamp stops flashing to indicate exit from program mode New settings are saved 24 3 2 Low Temperature Alarm NOTICE The Low Alarm Setpoint is not used in Helmer freezers 24 4 Temperature Calibration Setpoints View setpoints 1 a AOON Hold Up Arrow and Down Arrow for three seconds MONITOR lamp will flash to indicate entry into program mode Press SEL until desired setting appears Observe the setting To view another sett
122. ng is the format for the defrost log AA B CC CC CCCC DD DD E FF FF G Item Description AA Defrost event number The most recent event is numbered as 1 Values can be 1 50 B Defrost event S indicates the start of the defrost event E indicates the end of the defrost event CC CC CCCC Date of event DD DD Time hours and minutes of event E Time 12 Hour format only A indicates AM and P indicates PM FF FF Highest upper chamber temperature recorded since the previous event G Temperature measurement system C indicates Celsius F indicates Fahrenheit H Number of door openings since the previous event View defrost event details 1 From the Defrost Log screen press the UP or DOWN arrow buttons until the desired defrost event is displayed Press the SELECT button gt The Defrost Log Detail screen for the selected event is displayed gt Condenser Temp 34 Uer Max Upper Ter POEA Max Lower Temp 29 386 1 5 C HOME BACK Defrost Log Detail screen Label Description A Event number Event type Date and time of event Number of door openings during the event Highest upper chamber probe temperature recorded during the event Highest lower chamber probe temperature recorded during the event 360087 1 R Highest condenser temperature recorded during the event 37
123. ngage standards 3 Remove front brackets from standards Install shelf brackets 1 Insert front brackets into standard at appropriate height 2 Tap front brackets downward to engage standards 3 Using a screwdriver install front bracket retainers Optional Adapter Kits for Medication Dispensing Locks Contact Helmer Technical Service or your distributor for service documentation pertaining to medication dispensing locks Horizon Series Plasma Storage Models 69 Helmer 16 16 1 16 1 1 360087 1 R Temperature Monitor Settings Home Screen The HOME screen appears when gt The HOME button is pressed from any other screen gt There is no interaction for two minutes on any screen other than those used to enter a password A 123208 19 23AM 30 0 E MAIN MUTE 00000 HOME screen the monitoring system Label Description Screen name Chamber probe temperature display Button labels Buttons m O OJU Date and time display Home Screen Functions Horizon Series Plasma Storage Models NOTE Refer to chapter 22 Horizon Series Screen Reference for a complete list of screens in the Horizon Series monitoring system View current temperature readings View the current time and date View active alarms Mute audible alarms Adjust contrast Access Main screen to view and change settings 70 Helmer Horizo
124. ning of a low or no battery charge NOTE gt During an AC power failure the power failure alarm activates and the batteries provide power to the monitoring system gt power fails the backup batteries will allow for continued data collection and temperature display gt Ifthe backup batteries fail data is not collected and the temperature is not displayed Test the alarm 1 Ensure the monitoring system backup batteries are installed 2 Remove one battery from the monitoring system backup battery holder a lf the no battery alarm activates no further action is needed Reinstall the battery b If the no battery alarm does not activate contact Helmer Technical Service NOTICE When installing replacement batteries use only batteries which meet the specifications outlined in chapter 10 7 Supplies Additional System Settings Screen Contrast The screen contrast can be changed for easier viewing NOTE gt During an AC power failure the screen backlight is not illuminated to conserve backup battery power gt During an AC power failure the screen contrast cannot be changed Change screen contrast 1 Onthe HOME screen press the third button from the left to make the text appear lighter 2 the HOME screen press the second button from the left to make the text appear darker 33 Helmer i Series amp All Models 8 10 2 8 10 3 360087 1 R Date and Time The Date Format setting contro
125. o o o o o o Bo Bo o Q MAIN 8 DRAIN LINE HEATER 8 DRAIN LINE HEATER POWER 9 MULLION HEATER 9 MULLION HEATER SWITCH 10 Nor usED 10 UNIT COOLER Lolo o o loo o 11 NOT USED 11 DEFROST RELAY 12 CONDENSATE EVAPORATOR 12 CONDENSATE EVAPORATOR lo i Series amp All Models optional feature Al CHART RECORDER AD CHART CHART E RECORDER RECORDER E BACKUP TRANSFORMER L2 090 s FF U CONDENSING L27 i g s 59225f UNITFAN 01 9 2 3222 230 V ac AG UNIT COOLER 4848 MOTOR 11 EP loo 8o E A Nt amp E 8 COMPRESSOR COMPRESSOR T 1 RELAY DEFROST AJ SOLENOID COIL 57 m Y SOLENOID VALVE HEATER M Y TEMPERATURE Z EXTERNAL Fee DEFROST H UNIT DRAIN TEMPERATURE bord CONTROLLER COOLER FAN DEFROST H TRANSFORMER S DEFROST 2 I ED amp gt L17 HEATER LIMIT THERMOSTAT TE DISPLAY M DEFROST DISPLAY BOARD CONTROL ASSEMBLY 2 EA L NI 99 I DOOR AF INTERFACE 199900 SWITCH REMOTE ALARM NC INTERFACE No uuu FLASH CARD PORT V DEFROST RELAY D ALARM BUZZER AC CONDENSER Sy PROBE N LOWER SUPPLY BOARD 7 AB UPPER Sy CHAMBER PROBE D AE MONITOR BACKUP BATTERY UNIT COOLER FAN TEMPERATURE SENSORS
126. odels 400890 1 basket 2 slides and hardware 125 models 400890 2 Roll out basket slide assembly right side 120 models 400541 3 125 models 400541 1 Roll out basket slide assembly left side 120 models 400541 4 125 models 400541 2 Drawer slide wheel 320815 1 Half shelf includes hardware 400413 1 360087 1 R 133 Helmer 27 4 3 360087 1 R Door and Hinge Horizon Series Laboratory and International Plasma Storage Models Door and hinge features HLF120 model shown Label Description Part Number A Door handle with lock 220426 B Door bumper 220441 C Hinge bearing 220375 D Upper hinge bracket Right hinge 400376 1 Left hinge 400376 2 E Door gasket 321271 1 F Hinge cam 320742 1 G Door stop 320763 1 H Lower hinge bracket Right hinge 400377 1 Left hinge 400377 2 134 Helmer Horizon Series Laboratory and International Plasma Storage Models 28 Schematics 28 1 HLF and HHPF Models 20 and 25 Cubic Feet MAIN POWER 230 V ac 50 Hz 208 230 V ac 60 Hz L N POWER oo CORD 895 30 P CIRCUIT us BREAKERS Scy m o z FX Q MAIN POWER Hoo SWITCH HO 5 0 Ho o AK POWER 8 LINE FILTER AG UNIT COOLER T FAN DELAY DEFROST TERMINATION THERMOSTAT 3 DEFROST HEATER H UNIT COOLER FAN S DEFROST W ALARM KEY SWITCH 4 D ALARM i BUZZER G TEMPERATURE
127. on 1 1 ratio of water to propylene glycol or equivalent low temperature fluid PRIETO TS AR Left Probe bottle with temperature probe Right Access port as seen from top of freezer Fill Temperature Probe Bottle NOTICE Temperature probes are fragile handle with care 1 Remove all probes from bottle and remove bottle from bracket 2 Remove cap and fill with approximately 4 oz 120 mL of product simulation solution 3 Install cap and place bottle in bracket 4 Replace probes immersing at least 2 50 mm in solution Install Additional Probe Through Top Port 1 Peel back putty to expose port 2 Insert probe through port into chamber 3 Insert probe into bottle 4 Replace putty ensuring a tight seal Chart Recorder If installed refer to the Temperature Chart Recorder Operation and Service Manual on CD The chart recorder has a battery system enabling a period of continuous operation if power is lost Battery life varies by manufacturer as well as voltage level remaining Providing full power is available backup power for the temperature chart recorder is available for up to 14 hours Prior to use gt Install battery gt Add paper gt Install the chart recorder probe in the probe bottle gt Calibrate chart recorder to match chamber temperature 12 Helmer 3 4 1 3 4 2 360087 1 R General Information Chart Recorder Access NOTE P The chart recorder is standard on plasma storage
128. ontrol board is faulty gt Confirm the monitor control board or temperature defrost controller is operating correctly Replace the board or controller if necessary Compressor fan is not running gt Check the compressor fan connections Replace the fan motor if necessary Unit cooler fan is not running gt Activate the door switch then check the voltage to the fan Replace the fan motor or door switch if necessary Refrigerant level is too low gt Check the refrigerant level Recharge the refrigerant if necessary Compressor motor has seized gt Replace the compressor Temperature control probe is faulty gt Replace the probe if necessary Condenser grill is dirty gt Check the condenser grill Clean it if necessary Circulation at the top of the chamber is not adequate gt Check if there are any items that may obstruct air flow and remove them if necessary gt Check the unit cooler fan is working If the fan is not working contact a qualified service technician Ambient air temperature around the freezer is too high gt Confirm the freezer is placed appropriately A component is faulty or internal connections are loose gt Contact a qualified service technician Evaporator is covered with ice and is not exchanging heat gt Check for ice buildup on the evaporator Shine a flashlight into the fan opening on the unit cooler and
129. orage components protect stored items in freezer from extended exposure to adverse temperature Remove a drawer 1 Pull drawer out until it stops 2 Tilt the front of the drawer upward 3 Pull drawer free of the slides Install a drawer 1 Tiltthe front of the drawer upward 2 Set the wheels of the drawer in the slides in the cabinet 3 Lower the front of the drawer 4 Gently push the drawer into the chamber until it stops 5 Pull drawer out until it stops check for smooth operation Remove a shelf 1 With one hand lift front edge of the shelf from the front brackets 2 With the other hand reach under the shelf and bump rear edge of the shelf upward to disengage rear brackets Install a shelf 1 Insert shelf into chamber placing it on brackets 2 Gently bump rear edge of the shelf downward to engage brackets 3 Pulling shelf forward gently shelf should not disengage from rear brackets 68 Helmer 15 5 15 6 360087 1 R Move Slides and Brackets Remove drawer slides 1 Using a screwdriver remove front bracket retainers 2 Tap front brackets upward to disengage standards 3 Remove slides from standards Install drawer slides 1 Insert slides into standard at appropriate height 2 Tap front brackets downward to engage standards 3 Using a screwdriver install front bracket retainers Remove shelf brackets 1 Using a screwdriver remove front bracket retainers 2 Tap front brackets upward to dise
130. oring Devices 224 2 ses ye Ux s e eee hon 4 eee 18 7 21 Connect to Remote Alarm 18 7 3 Automatic Defrost Cycle sses lise hrs 18 7 9 1 Set the Time on the Independent Temperature 19 7 3 2 Set Scheduled Defrost Times 0 00 000 cette 20 7 4 Move Drawers and Shelves 21 7 5 Move Slides and lt 22 7 6 Optional Adapter Kits for Medication Dispensing Locks 22 360087 1 R Helmer 8 Temperature Monitor Settings 23 81 HOME SCREEN ees s aere EUR Om Odd Dn d RR e RADIO ae ae ee 23 8 1 1 Home Screen Functions i nsssssr e 865 shes a ae 23 8 2 M inSCreeti iussi ee a ob ox DEO Reb d den E od eke need Ree i IC oe RE un 24 8 3 Temperature Graph i isses senum eda ERA e ROAST EU ROGER OR RR 25 8 3 1 Enable or Disable the Temperature Graph liliis 25 8 4 Change Configuration Password 0 cee ae 26 8 5 Calibrate Chamber Temperature Probe 26 9 60 Factory Default Settings Ms Eee eee EORR NE Dewi ER
131. ormat display Door Ajar Timeout display Pwr Failure Timeout display High Alarm Setpoint display Alarm Volume display Alarm Pulse display Chart Paper Days Left or Chart Paper Timer display 360087 1 R Horizon Series Plasma Storage Models 104 Horizon Series Laboratory and International Plasma Storage Models Section IV Horizon Series Laboratory and International Plasma 23 23 1 360087 1 R Storage Models NOTE This section applies to HLF and HHPF models Product Configuration Install Battery for Backup Power The monitoring system and chart recorder each have a battery system enabling a period of continuous operation if power is lost NOTE The monitoring system will start on battery power alone If the freezer was previously not connected to AC power and the battery is connected the monitoring system will begin running on battery power Battery life varies by manufacturer as well as voltage level remaining Providing full power is available and no battery related alarms are active backup power for the monitoring system is available for up to two hours NOTICE When installing replacement batteries use only batteries which meets the specifications outlined in chapter 25 6 Supplies The battery is located on the top of the freezer behind the monitoring system Monitoring system backup battery Monitoring system battery is included in the accessory package Install a
132. ovided by the equipment Decontaminate parts prior to sending for service or repair Contact Helmer Scientific or your distributor for decontamination instructions and a Return Authorization Number Ensure biological materials are stored safely in accordance with all applicable organizational regulatory and legal requirements The freezer is not considered to be a storage cabinet for flammable or hazardous materials General Information 3 3 1 3 2 3 2 1 360087 1 R Configuration Model and Input Power NOTE Service information varies depending on the model and power requirements This information appears on the product specification label located on the rear of the freezer The model also appears on a label located in the chamber on the upper side of the right wall IPF125 4 000000 ed HELMERA www helmerinc com VOLT 208 230V Weight 531 Ib 241 kg HZ 60 Amps 43A C 0086 VER A Noblesville IN USA www helmerinc com Plasma Freezer Left Chamber label Right Product specification label located on the rear Label Description A Model REF B Serial number SN C Version D Power requirements Control System NOTE Service information varies depending on the control system Helmer freezers have one of three control systems installed The type of control system varies by model i Series Monitoring System and Independent Temperature Controller N
133. ox Rotate the time adjustment ring clockwise until the current time indicators show the current time Reinstall the cover on the electrical box Switch the AC ON OFF switch ON Turn the Alarm Disable key switch ON Press the Mute button to disable the high temperature alarm while freezer reaches operating temperature 360087 1 R 107 Helmer 23 3 2 23 3 3 360087 1 R Horizon Series Laboratory and International Plasma Storage Models Set Defrost Time Default setting of three defrost events per day Default times are 12 00 AM 8 00 AM 4 00 PM Defrost events can be added or removed Defrost events can be scheduled for any time of day in 15 minute intervals Defrost cycle lasts 15 to 30 minutes Defrost events must be at least one hour apart NOTICE Three defrost cycles are recommended for consistent freezer operation Schedule a Defrost Event 1 2 3 A NO Oi Switch defrost event switch es to the ON position outside to initiate a defrost event at that time Switch defrost event switch es to the OFF position inside to cancel a defrost event at that time Switch the AC ON OFF switch OFF Turn the Alarm Disable key switch OFF Remove the cover on the electrical box Add a defrost event gt Atthe appropriate time mark position the switch ON toward the outer ring Remove a defrost event gt Atthe appropriate time mark position the switch OFF toward the inside ring
134. perature at the probe bottle is 30 0 gt Displayed temperature is 32 0 C gt Change displayed temperature to 30 0 C Enter the new calibration value 1 the HOME screen press the MAIN button 2 Press the DOWN button to highlight Edit Configuration Press the SELECT button 3 Enter the password when prompted 4 Press the DOWN button to highlight Temperature Calibration Press the SELECT button gt Temperature is highlighted a Press the INC or DEC buttons to change the temperature calibration value 5 Press the DOWN button to highlight Store Calibration a save the new value press the ENTER button The Calibration Memorized message appears New settings are saved b discard the new value press the BACK button or HOME button to exit New settings are not saved 6 Remove thermometer and probe from bottle Replace bottle cap ensuring a tight fit 8 Place the probe in bottle immersing at least 2 50 mm gt The current temperature displayed by the monitoring system may change so that it no longer matches the new probe calibration value This is normal gt probe value is entered but not saved the new value will appear when the calibration setting for the probe is viewed This is normal 72 Helmer Horizon Series Plasma Storage Models 16 5 Factory Default Settings Settings listed below may be simultaneously returned to factory default values NOTE The facto
135. perature on the independent thermometer Remove the probe from the glass 8 Place probe in probe bottle immersing it at least 2 50mm Power Failure Alarm 1 Switch AC ON OFF switch OFF Power failure alarm will activate immediately and PoFF power off will appear on the display 2 Switch AC ON OFF switch ON Power failure alarm will cease and PoFF will clear from the display 115 Helmer Horizon Series Laboratory and International Plasma Storage Models 24 5 3 25 25 1 360087 1 R Door Open Alarm gt Factory set to three minutes gt Value can not be changed NOTICE Before testing alarms protect items in freezer from extended exposure to adverse temperature Test the alarm 1 Open freezer door and note the time 2 M After three minutes audible alarm will activate and DOOR ALARM lamp will flash 3 Close freezer door Audible door open alarm will cease and DOOR ALARM lamp will stop flashing Maintenance NOTICE gt Before performing maintenance protect items in freezer from extended exposure to adverse temperature gt Allow freezer temperature to stabilize at setpoint after performing service or after extended door opening NOTE Refer to the operation manual for the preventive maintenance schedule Recharge Refrigerant CAUTION gt Review all safety instructions prior to recharging refrigerant Refer to chapter 2 Safety gt Maintenance should only be perfor
136. r ace aos etre eee T d dubai ae inter ch 20 toda qid dried ed dd t 127 20411 Laboratory Display csse int RR RR RR RO WR RERO abe 128 2V2 NOPD rcm esL ws eee EILEEN teats 128 VUES ME p lt SAP OP ae NR CE 129 2734 dee ATO boil he a RC CR EE aU d 130 WME ORs i etal daar eat 131 2 41 Unit Coole ex e edi REDE be a he e ERE AAR de 132 21 42 StOlage dake 133 27 4 3 Door and Hinge 3 em eee 134 26 Sch mall6S desque cede ce Wa daa aa KU Ere do ard e 135 28 1 HLF and HHPF Models 20 and 25 Cubic 1 135 360087 1 R vii i Helmer General Information Section General Information 1 1 1 2 1 3 2 1 About this Manual Intended Audience This manual is intended for use by end users of the freezer and authorized service technicians Model References Generic references are used throughout this manual to group models that contain similar features For example 125 models refers to all models of that size iPF125 4 iPF125 8 iH
137. r and Controller Interface A B C D G K H L Label Description Function A COOL lamp Indicates the compressor is running B Display Displays real time temperature information setpoints and alarms C HIGH TEMP lamp Indicates when the freezer is in a high temperature alarm condition Also indicates high alarm temperature setpoint is being changed D LOW TEMP lamp Indicates when the freezer is in a low temperature alarm condition Also indicates low alarm temperature setpoint is being changed E DOOR ALARM lamp Indicates when the door is open F UP ARROW button Increases a temperature setting G DOWN ARROW Decreases a temperature setting Also mutes the audible alarm for five MUTE ALARM button minutes H SEL button Toggles between alarm monitor and control modes SET lamp Indicates when temperature setpoint or alarm setpoint is being changed J SET button Allows settings to be selected prior to changing settings K CONTROL lamp Indicates when the reading from the control temperature probe is displayed L MONITOR lamp Indicates when the display is showing temperature readings from the chamber probe Also indicates when alarm setpoints are being changed 111 Helmer Horizon Series Laboratory and International Plasma Storage Models 24 2 24 3 360087 1 R Freezer Setpoint NOTE Default setpoint is 30 0 Change the setpoint if gt Your organizat
138. r to AC power Switch the AC ON OFF switch ON 2 Install the monitoring system battery that is included in the accessory package gt The freezer powers on and the i Center will display the System Options screen 3 Press the INC or DEC buttons to select the desired language Press the SELECT button 4 Press the HOME button to return to the HOME screen 5 Ifa temperature alarm sounds press the MUTE button Change the display language Press the MAIN button Press the DOWN button to highlight Edit Configuration Press the SELECT button Enter the password when prompted Press the DOWN button to highlight System Options Press the SELECT button Press the UP or DOWN buttons to select Language Press the SELECT button Press the INC or DEC buttons to select the desired language Press the BACK button to return to the System Options screen or press the HOME button to exit The new settings are saved NO WD 34 Helmer i Series amp All Models 8 10 4 360087 1 R Temperature Units Available options are Celsius or Fahrenheit F The default temperature unit is Celsius Change temperature units Press the MAIN button Press the DOWN button to highlight Edit Configuration Press the SELECT button Enter the password when prompted Press the DOWN button to highlight System Options Press the SELECT button Press the DOWN button to highlight Temperature Units Press the INC or DEC buttons to select the desired
139. rent time and date View detailed information about current or previous alarm events View the remaining backup battery charge View active alarms Mute audible alarms Adjust contrast View 24 hour chamber temperature graph Access Main screen to view and change settings 23 Helmer Main Screen i Series amp All Models The Main screen displays functional options that allow access to all other screens in the system MAIN Of System Alarm Test amp Status Edit Configuration View Configuration Product Company Information i Help HOME st UP DOWN SELECT MAIN screen functional options Functions available from the Main screen Option Function Event Log System Alarm Test and Status View historical information about alarms operational events and defrost events Start or stop an automatic test for temperature alarms View the number of days remaining before the paper for the temperature chart recorder needs to be changed View the current status of the door OPEN or CLOSED View the current condenser temperature Edit Configuration password required Change the language used for text Change date and time information Change temperature units Change the volume and pattern for audible alarms Enable or disable the chart paper timer Enable or disable the temperature graph display Change alarm related setpoints and timers Calibrate the temperature pro
140. roximately 20 minutes after the elapsed since the end defrost cycle has ended of the defrost cycle Drain line is plugged gt Confirm the drain tube is free of debris Remove debris if necessary Defrost heater on the gt Check for ice buildup on the evaporator Shine a evaporator in the unit cooler is not working flashlight into the fan opening on the unit cooler and check for ice buildup Also feel behind the unit cooler for ice buildup If there is significant ice buildup in either area defrost the freezer 92 Horizon Series Plasma Storage Models 20 Parts NOTICE v Before replacing parts protect items in freezer from extended exposure to adverse temperature gt Allow freezer temperature to stabilize at setpoint after replacing parts or after extended door opening 20 1 Front D EF HeLMen m Front features HPF 120 4 model shown NM Schematic Label Description Part Number Label A Bezel with chart recorder door Contact Helmer Technical Service B Chart recorder door Contact Helmer Technical Service C Horizon Series display Refer to subsequent section s for part K numbers D Chart recorder 400409 6 X E Chart paper 52 sheets 220419 F Chart recorder backup battery 120218 AD 9 V alkaline non rechargeable Not Caster swivel with brake Serial number 974891 and earlier 220380 shown Serial number 974892 and later 220467
141. ry default settings may not be the same as the settings that were factory calibrated before the freezer was shipped Setting Restored Value High Alarm Setpoint 20 0 C Door Ajar Timeout 3 minutes Power Failure Timeout 3 minutes Chart Paper Timer 6 5 days 16 6 Restore Factory Default Settings Restore settings 1 Press the MAIN button 2 Press the DOWN button to highlight Edit Configuration Press the SELECT button 3 Enter the password when prompted 4 Press the DOWN button to highlight Factory Default Settings Press the SELECT button 5 Doone of the following gt Press the ENTER button Factory default settings are restored gt Press the BACK button Factory default settings are not restored 16 7 Alarm Settings The following alarm settings may be changed by the operator The setpoint for temperature alarms may be changed where applicable as well as the time delay between when the alarm condition commences and when the visual and audible alarms are initiated 16 7 1 Alarm Volume The alarm volume can be changed The Alarm Volume controls volume for all audible alarms gt Default setting is 10 gt Setting can be changed from 1 to 10 gt 1 is the quietest setting 10 is the loudest setting Change the alarm volume Press the MAIN button Press the DOWN button to highlight Edit Configuration Press the SELECT button Enter the password when prompted Press the DOWN button to highlight System Options
142. s according to requirements for your alarm system 4 Use a cable tie to relieve strain on alarm wires as necessary Reconnect the monitoring system backup battery Switch the AC ON OFF switch ON 6 Press the MUTE button to disable the high temperature alarm while freezer reaches operating temperature 106 Helmer Horizon Series Laboratory and International Plasma Storage Models 23 3 Schedule Defrost Events Defrost events may be scheduled to occur at specific times The defrost controller is located in the electrical box on the back of the freezer Specify the number of defrost events to execute per day as well as the time at which to initiate each defrost cycle The cycles are based on the current time settings on the defrost controller The defrost controller features two time indicators and a time adjustment ring The hour and minute hands show the current time in hours and minutes The outer ring shows the current time including AM or PM to the nearest 15 minute interval Defrost controller with current time set to approximately 9 30 AM Label Description A PM indicator B Current time indicator includes AM PM to the nearest 15 minute interval C Current time indicator hour and minutes only D AM indicator E Time adjustment ring 23 3 1 Set Current Time h Switch the AC ON OFF switch OFF Turn the Alarm Disable key switch OFF Remove the cover on the electrical b
143. s displayed 5 Select the Minute parameter P35 a Press the UP or DOWN arrow buttons until P35 is displayed b Press the P button c The current minute setting is displayed 6 Change the Minute parameter a Press the UP or DOWN arrow buttons until the desired minute is displayed 7 Press the P button gt The Hour and Minute parameters are changed and P35 is displayed 66 Helmer Horizon Series Plasma Storage Models 8 Exit program mode a Press the UP or DOWN arrow buttons until P01 is displayed or b Do not press any buttons for four minutes Parameter 01 P01 is displayed 15 3 2 Set Scheduled Defrost Times Defrost event times are controlled by four parameters P24 P25 P26 and P27 Parameter Description Range Default Setting P24 Defrost event 1 time 000 to 235 or OFF 000 25 Defrost event 2 time 000 to 235 or OFF 080 P26 Defrost event 3 time 000 to 235 or OFF 160 P27 Defrost event 4 time 000 to 235 or OFF OFF Each parameter is set either to OFF indicating that the defrost event is disabled or a three digit number representing the time of the defrost event gt The first two digits represent the hour in 24 hour format gt The third digit represents the minute in 10 minute intervals NOTE 16X represents 4 PM XX2 represents 20 minutes 162 represents 4 20 PM gt gt gt gt 000 represents midnight The defrost event time parameters are restricted
144. s longest time the freezer can be without AC power before the alarm activates If the time elapsed since the last power failure is greater than or equal to this value the alarm activates gt Default delay setting is three minutes gt Setting can be changed from 0 minutes to 60 minutes Change the alarm delay Press the MAIN button Press the DOWN button to highlight Edit Configuration Press the SELECT button Enter the password when prompted Press the DOWN button to highlight Alarm Setpoints Press the SELECT button Press the DOWN button to highlight Power Failure Timeout Press the INC or DEC buttons to change the setting Press the BACK button to return to the Edit Configuration screen or press the HOME button to exit The new settings are saved oh WD 16 7 6 Chart Paper Alarm The default setting for the chart paper timer is Enabled One sheet of chart paper records temperatures continuously for seven days The timer activates an alarm 6 5 days from when the timer is reset The timer period cannot be changed NOTE gt Available options are Enabled Disabled and Reset gt Enabling the timer also resets the timer Change the setting Press the MAIN button Press the DOWN button to highlight Edit Configuration Press the SELECT button Enter the password when prompted Press the DOWN button to highlight System Options Press the SELECT button Press the DOWN button to highlight Chart Paper Timer
145. sing a screwdriver remove front bracket retainers 2 Tap front brackets upward to disengage standards 3 Remove front brackets from standards Install shelf brackets 1 Insert front brackets into standard at appropriate height 2 Tap front brackets downward to engage standards 3 Using a screwdriver install front bracket retainers Optional Adapter Kits for Medication Dispensing Locks i Series amp All Models Contact Helmer Technical Service or your distributor for service documentation pertaining to medication dispensing locks 22 Helmer i Series amp All Models 8 8 1 360087 1 R Temperature Monitor Settings Home Screen The HOME screen appears when gt The HOME button is pressed from any other screen gt There is no interaction for two minutes on any screen other than those used to enter a password A 1271872008 B i19 220M 100 Louer Temp 30 0 H MUTE 6606 HOME screen on the monitoring system Label Description Screen name Battery voltage level Upper chamber probe temperature display Button labels Buttons Date and time display Defrost icon Lower chamber probe temperature display Home Screen Functions NOTE Refer to chapter 14 i Center Screen Reference for a complete list of screens in the i Center monitoring system View current temperature readings View the cur
146. sired it must be loaded from the flash memory card If a flash memory card is not included with the freezer the languages may have been loaded to the Horizon Series monitoring system prior to shipment To obtain a flash memory card to load an alternate language contact Helmer Technical Service NOTE Each time the freezer is powered on the Horizon Series monitoring system display language must be selected Set the display language on power on 1 Connect the freezer to AC power Switch the AC ON OFF switch ON 2 Install the monitoring system battery that is included in the accessory package gt The freezer powers on and the Horizon Series monitoring system will display the System Options screen 3 Press the INC or DEC buttons to select the desired language Press the SELECT button 4 Press the HOME button to return to the HOME screen 5 Ifa temperature alarm sounds press the MUTE button Change the display language Press the MAIN button Press the DOWN button to highlight Edit Configuration Press the SELECT button Enter the password when prompted Press the DOWN button to highlight System Options Press the SELECT button Press the UP or DOWN buttons to select Language Press the SELECT button Press the INC or DEC buttons to select the desired language Press the BACK button to return to the System Options screen or press the HOME button to exit The new settings are saved NO oh WN 78 Helmer Horizon Series
147. ssembly right side 120 models 400541 3 shown 125 models 400541 1 Drawer slide assembly left side 120 models 400541 4 125 models 400541 2 Roll out basket assembly optional includes 120 models 400890 1 basket 2 slides and hardware 125 models 400890 2 Roll out basket slide assembly right side 120 models 400541 3 125 models 400541 1 Roll out basket slide assembly left side 120 models 400541 4 125 models 400541 2 Drawer slide wheel 320815 1 Half shelf includes hardware 400413 1 360087 1 R 100 Helmer 20 4 3 360087 1 R Door and Hinge Horizon Series Plasma Storage Models Door and hinge features HPF120 4 model shown Label Description Part Number A Door handle with lock 220426 B Door bumper 220441 C Hinge bearing 220375 D Upper hinge bracket Right hinge 400376 1 Left hinge 400376 2 E Door gasket 321271 1 F Hinge cam 320742 1 G Door stop 320763 1 H Lower hinge bracket Right hinge 400377 1 Left hinge 400377 2 101 Helmer 21 Schematics 21 1 HPF Models 20 and 25 Cubic Feet MAIN POWER 230 V ac 50 Hz 208 230 V ac 60 Hz TERMINAL STRIPS Horizon Series Plasma Storage Models optional feature POWER HO 1 EXTERNAL DRAIN FAN 1 EXTERNAL DRAIN FAN CORD 2 COMPRESSOR RELAY 1 2 COMPRESSOR RELAY 1 3 POWER LINE FILTER 3 POWER LINE FILTER RECORDER 4 CONTROL BOARD 4 CONTROL BOARD P CIRCUIT 5 TEMP DEFROST CONTROL XFMR 5 TEMP
148. t NO ah WD 25 Helmer i Series amp All Models 8 4 8 5 360087 1 R Change Configuration Password The default password is 1234 A new password must use four digits ranging from 1 to 5 Change the password On the HOME screen press the MAIN button Press the DOWN button to select Edit Configuration Press the SELECT button Enter the password when prompted Press the DOWN button to select Change Password Press the SELECT button Enter the new password then re enter the new password when prompted gt If password entries match the update message is displayed gt If password entries do not match the incorrect match message is displayed Repeat the procedure to change the password 0 Calibrate Chamber Temperature Probe Verify the temperature probe is reading chamber temperature correctly by comparing the chamber probe reading to temperature read by an independent thermometer If the chamber temperature probe is not reading correctly change the value displayed on the temperature monitoring system NOTE If the variance is within acceptable limits for your organization changing probe settings is optional gt Default setting for chamber temperature is 30 0 C gt Value is factory preset Obtain gt Independent thermometer calibrated and traceable per national standards Measure the chamber temperature 1 Remove the probe from the probe bottle 2 Unscrew the cap from t
149. t Test the probe connections Secure the connections if necessary Chamber temperature probe is faulty gt Test the probe Replace the probe if necessary Unit cooler fan continues to run while the door is open gt Test the door switch and unit cooler fan connections Secure the connections if necessary Replace the door switch or fan motor if necessary Probe bottles are empty gt Check the level of product simulation solution in the bottles Refill the bottles if necessary A component is faulty or internal connections are loose gt Contact a qualified service technician High temperature alarm setpoint is set too low gt Check the setpoint Change the setpoint if necessary Freezer is connected to power and turned on but the AC Power Failure alarm is active Outlet connection is faulty gt Verify power at the outlet Repair the original outlet or connect to a different outlet if necessary Circuit breaker was tripped gt Confirm the circuit breaker is seated Push the circuit breaker to reset it if necessary Power cord is faulty gt Confirm the power cord is connected securely Secure the power cord if necessary A component is faulty or internal connections are loose gt Contact a qualified service technician 123 Helmer 26 4 360087 1 R Problem Horizon Series Laboratory and International Plasma Storage Models
150. tall Chart Paper dee RE ERG 3 Oe Che eee ae a ale 13 4 Alarm Reference cero cceveusetewe ees secs EE 14 Compliance RE NE RENE i 14 5 1 Regulatory Compliance vs PE dace XR TR Reg 14 5 2 WEEE Compliance i anede rasi aey ae e a a ORAL RU EC 14 6 TP 15 6 1 Reli Product Warranty USA 15 6 1 1 Rapid Resolution rra 15 6 1 2 RC RRARS e LIP PERS DUC di abd de 15 6 3 tes eb teres e b rtis des thi ia rid Fa etd des s 15 614 Laboris edm edd REA RR S AR ux dU RAW GO RR ate DURO E A RR qd 15 6 1 5 Additional Warranty Information kse essees arta are a E 15 0 2 Outside of USA and Canada suem s RR ERR RARI Y ERE S E A E 16 Section II i Series All 17 7 Product Configuration s 22 22 2 522623 22 ceccaediene noe wa RE RE RE EE ox 17 7 1 Install Batteries for Backup Power 00 nenna e nes 17 7 2 External Monit
151. tes Observe and note the thermometer temperature Remove thermometer and probe from bottle and remove tape Replace bottle cap ensuring a tight fit Place the probe in bottle immersing at least 2 50 mm ONORA Enter the new offset value gt Lower the offset value to lower the displayed monitor temperature P Raise the offset value to raise the displayed monitor temperature EXAMPLE gt Measured temperature at the probe bottle is 30 0 C gt Displayed temperature is 28 0 C gt Offset adjustment value is 2 0 C 1 Hold Up Arrow and Down Arrow for three seconds MONITOR lamp will flash to indicate entry into program mode Press SEL until only the MONITOR lamp flashes Hold SET then press Up Arrow or Down Arrow to change the setpoint Release SET button Hold Up Arrow and Down Arrow for three seconds MONITOR lamp stops flashing to indicate exit from program mode New settings are saved a AON Control Sensor Offset The temperature controller senses chamber temperature through a probe in the unit cooler The chamber setpoint typically varies from the measured temperature so an offset value is used by the control system to compensate for the difference gt Value is factory preset and varies for each unit gt Offset value can be changed from 10 0 C to 10 0 C NOTICE Control Sensor Offset is factory preset and should not be changed unless directed by 360087 1 R Helmer Technical Service
152. the freezer from extended 10 6 2 360087 1 R exposure to adverse temperature gt Allow freezer temperature to stabilize at setpoint after replacing unit cooler 1 Remove one battery from the battery holder Switch AC ON OFF switch OFF Disconnect the freezer from AC power 2 Remove the top drawer basket or shelf from the chamber NOTE For iPF models remove the Cold Shield panel Loosen three screws securing the panel to the cabinet then slide the panel to free it from the screws 3 the back of the cabinet peel the putty back to expose the drain tube and drain heater 4 Verify the heating element is cool Remove the screws and loosen the pipe straps securing the drain tube to the cabinet 5 Remove the drain heater from the drain tube 6 Remove the drain tube by pulling it downward The drain tube should separate from the fan tube D at the 90 elbow leaving the fan tube D attached to the fan C a Separate the drain hose inside the cabinet from the unit cooler drain port B b Gently twist the drain hose from left to right to separate it from the unit cooler drain port c Pivot the drain tube and drain hose upward then remove the assembly from the cabinet 7 Remove the unit cooler cover A a Hold unit cooler cover in place to prevent it from dropping b Use the socket wrench to remove four screws securing the unit cooler cover c Carefully lower unit cooler cover to avoid damage to the fan wir
153. through an access code To view and change these parameter settings the access code the last parameter must first be set to 88 Set the defrost time 1 360087 1 R Ensure that the current time programmed in the independent temperature controller is correct and matches the time programmed in the Horizon Series monitoring system Change the time if necessary Enter the access code a Press the UP or DOWN arrow buttons until the last parameter is displayed b Press the P button The parameter is displayed c Press the UP or DOWN arrow buttons to change the parameter to 88 d Press the P button The setpoint is changed and the last parameter is displayed Select the defrost time parameter setting P24 P25 P26 or P27 a Press the UP or DOWN arrow buttons to display the desired defrost parameter b Press the P button The current setting is displayed Press the UP or DOWN arrow buttons to adjust the setting for the selected parameter Press the P button The setting is changed and the parameter is displayed Repeat steps 3 5 for additional defrost parameters 67 Horizon Series Plasma Storage Models 15 4 360087 1 R Move Drawers and Shelves Storage features CAUTION gt Keep hands away from pinch points when closing the door gt Before moving drawers ensure they are completely empty for safe lifting gt Maximum drawer or shelf load is 100 Ibs 46 kg NOTICE Before moving st
154. tons to change the temperature setpoint by the same value as determined in step 2 d Press the P button gt The setpoint is changed and is displayed 5 Exit program mode a Press the UP or DOWN arrow buttons until P01 is displayed or b Do not press any buttons for four minutes Parameter 01 P01 is displayed 360087 1 R 80 Helmer Horizon Series Plasma Storage Models 17 2 18 18 1 360087 1 R Change the Hysteresis Value gt Default setpoint is 4 0 C gt Allowable temperature variance above the freezer setpoint NOTICE Hysteresis is factory preset and should not be changed unless directed by Helmer Technical Service Maintenance NOTICE gt Before performing maintenance protect items in freezer from extended exposure to adverse temperature gt Allow freezer temperature to stabilize at setpoint after performing service or after extended door opening NOTE Refer to the operation manual for the preventive maintenance schedule Recharge Refrigerant CAUTION gt Review all safety instructions prior to recharging refrigerant Refer to chapter 2 Safety Maintenance should only be performed by trained refrigeration technicians NOTICE Use only non CFC R 404A refrigerant Full initial refrigerant charge varies by model and power requirements which can be found on the product specification label Model Initial Charge 120 125 29 0 oz 822 g
155. ts 4 20 PM gt gt gt gt 000 represents midnight The defrost event time parameters are restricted through an access code To view and change these parameter settings the access code the last parameter must first be set to 88 Set the defrost time 1 360087 1 R Ensure that the current time programmed in the independent temperature controller is correct and matches the time programmed in the i Center monitoring system Change the time if necessary Enter the access code a Press the UP or DOWN arrow buttons until the last parameter is displayed b Press the P button The parameter is displayed c Press the UP or DOWN arrow buttons to change the parameter to 88 d Press the P button The setpoint is changed and the last parameter is displayed Select the defrost time parameter setting P24 P25 P26 or P27 a Press the UP or DOWN arrow buttons to display the desired defrost parameter b Press the P button The current setting is displayed Press the UP or DOWN arrow buttons to adjust the setting for the selected parameter Press the P button The setting is changed and the parameter is displayed Repeat steps 3 5 for additional defrost parameters 20 Helmer i Series amp All Models 7 4 360087 1 R Move Drawers and Shelves Storage features CAUTION gt Keep hands away from pinch points when closing the door gt Before moving drawers ensure they are completely empty for safe lifting
156. up If there is significant ice buildup in either area defrost the freezer Excessive humidity on the door 360087 1 R Humid air is entering the chamber gt Confirm the freezer is level and the door is aligned closing tightly and sealing correctly Correct issues as necessary Relative humidity around the freezer is too high gt Confirm the freezer is placed appropriately 50 Helmer 360087 1 R Problem Possible Cause i Series All Models Action After defrosting no water flows into the water evaporation tray Drain line heater is faulty gt Confirm the connections are secure Tighten the connections if necessary gt Confirm the drain line heater is warm to the touch Replace the heater if necessary Defrost heater the gt After defrosting the freezer monitor the evaporator evaporator in the unit for repeated ice buildup cooler is faulty gt Confirm the connections are secure Tighten the connections if necessary gt Confirm the drain line heater is hot and is drawing the appropriate current during a defrost event approximately 3 9 A to 5 5 A gt Replace the heater if necessary Not enough time has Wait until approximately 20 minutes after the elapsed since the end defrost cycle has ended of the defrost cycle Drain line is plugged gt Confirm the drain tube is free of debris Remove debris if necessary Defrost heater on the
157. y or internal connections are loose gt Contact a qualified service technician Compressor runs continuously Freezer setpoint is set too low gt Confirm the setpoint is set within the operating range Change the setpoint if necessary Temperature control probe is faulty gt Confirm the probe is providing resistance in the range of 1191 O to 2000 O Replace the probe if necessary Temperature controller is faulty gt Confirm the temperature controller is operating correctly Replace the board s if necessary Solid state relay is faulty gt Confirm the relay is operating correctly Replace it if necessary 45 Helmer 11 3 360087 1 R Problem Possible Cause i Series All Models Action Chamber temperature does not stabilize at the freezer setpoint Solid state relay is faulty gt Confirm the relay is operating correctly Replace the relay if necessary Temperature defrost controller is faulty gt Confirm the monitor control board or temperature defrost controller is operating correctly Replace the board or controller if necessary Compressor fan is not running Check the compressor fan connections Replace the fan motor if necessary Unit cooler fan is not running Activate the door switch then check the voltage to the fan Replace the fan motor or door switch if necessary Refrigerant level is too gt

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