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360142-D/D

6

General Information

Section I: General Information

1

About this Manual

1.1

Intended Audience

This manual is intended for use by end users of the freezer and authorized service technicians.

1.2

Model References

Generic references are used throughout this manual to group models that contain similar features. For
example, “105 models” refers to all models of that size (iPF105, HPF105, iLF105, HLF105). This manual

covers all undercounter freezers, which may be identified singly, by their size, or by their respective

“Series.”

1.3

Copyright and Trademark

Helmer

®

, i.Series

®

, i.C³

®

, Horizon Series™, and Rel.i™ are registered trademarks or trademarks of

Helmer, Inc. in the United States of America. Copyright © 2015 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.

1.4

Confidential / Proprietary Notices

Use of any portion(s) of this document to copy, translate, disassemble or decompile, or create or attempt

to create by reverse engineering or otherwise the information from Helmer Scientific products is expressly

prohibited.

1.5 Disclaimer

This manual is intended as a guide to provide the operator with necessary instructions on the proper use
and maintenance of certain Helmer Scientific products.
Any failure to follow the instructions as described could result in impaired product function, injury to the
operator or others, or void applicable product warranties. Helmer Scientific accepts no responsibility for

liability resulting from improper use or maintenance of its products.
The screenshots and component images appearing in this guide are provided for illustrative purposes

only, and may vary slightly from the actual software screens and/or product components.

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Содержание Horizon HLF105

Страница 1: ...3 FAX 1 317 773 9082 USA and Canada 800 743 5637 0086 ISO 13485 2003 CERTIFIED 360142 D D Undercounter Freezer Service Manual i Series and Horizon Series Model Group i Series Horizon Series Plasma Storage iPF105 Version D HPF105 Version D Laboratory iLF105 Version D HLF105 Version D ...

Страница 2: ...ith new Min Max temperature recording feature Added Document Updates to Document History page Added Confidential Proprietary Notice Section I Item 1 4 and Disclaimer Section I Item 1 5 Date submitted for Change Order review Actual release date may vary Document Updates The document is furnished for information use only is subject to change without notice and should not be construed as a commitment...

Страница 3: ...2 Install Chart Paper 10 4 References and Compliance 11 4 1 Alarm Reference 11 4 2 Regulatory Compliance 11 4 3 WEEE Compliance 11 5 Warranty 12 5 1 Rel i Product Warranty USA and Canada 12 5 1 1 Rapid Resolution 12 5 1 2 Compressor 12 5 1 3 Parts 12 5 1 4 Labor 12 5 1 5 Additional Warranty Information 12 5 2 Outside of USA and Canada 13 Section II i Series Models 14 6 Product Configuration 14 6 1...

Страница 4: ...System Firmware 34 7 6 Calibrate the Touchscreen 34 7 7 View Manufacturer and Product Information 34 8 Maintenance 35 8 1 Recharge Refrigerant 35 8 2 Check Optional Access Control System Battery 35 8 3 Check Monitoring System Battery 36 8 4 Clean the Freezer 36 8 4 1 Condenser Grill 36 8 4 2 Exterior 36 8 4 3 Interior 36 8 4 4 Door Gaskets 36 8 4 5 Clean and Refill Probe Bottle 36 8 4 6 i C Touchs...

Страница 5: ... Locks 61 12 8 Reverse Door Hinge and Handle 62 12 8 1 Remove the Door and Hinges 62 12 8 2 Reverse the Cable Routing in the Door 64 12 8 3 Reinstall the Door and Hinges 66 12 9 Stacked Undercounter Units 69 13 Settings 70 13 1 Monitor and Controller Interface 70 13 2 Display Minimum and Maximum Monitor Temperature Recordings 71 13 3 Freezer Setpoint 72 13 4 Table of Parameters 72 13 4 1 View Alar...

Страница 6: ...Problems 80 15 2 Chamber Temperature Problems 81 15 3 Alarm Activation Problems 83 15 4 Condensation and Icing Problems 85 16 Parts 86 16 1 Front 86 16 1 1 Control System Display 86 16 1 2 Control and Monitoring 87 16 1 3 Lower Panel 87 16 1 4 Access Control Option 88 16 2 Rear 88 16 3 Electrical Tray 89 16 3 1 Electrical Tray Components 90 16 4 Interior 91 16 5 Door and Hinge 93 17 Schematics 95 ...

Страница 7: ...r respective owners Helmer Inc doing business as DBA Helmer Scientific and Helmer 1 4 Confidential Proprietary Notices Use of any portion s of this document to copy translate disassemble or decompile or create or attempt to create by reverse engineering or otherwise the information from Helmer Scientific products is expressly prohibited 1 5 Disclaimer This manual is intended as a guide to provide ...

Страница 8: ...r to sending for service or repair Contact Helmer or your distributor for decontamination instructions and a Return Authorization Number 3 Configuration 3 1 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...

Страница 9: ...izon Series Control System Horizon Series freezers feature the Horizon combined monitor and temperature controller The Horizon Series system controls chamber temperature and monitors and displays operational information 3 3 Temperature Probes Number and location of probes varies by model External probes may be introduced through existing rear port and immersed in existing probe bottle For each pro...

Страница 10: ...rt probe through port into chamber 3 Insert probe into bottle 4 Replace putty ensuring a tight seal 3 4 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...

Страница 11: ...chart paper on chart recorder 4 Gently lift stylus and rotate paper so current time line corresponds to time line groove 5 Hold chart paper and reinstall chart knob NOTE For accurate temperature reading ensure that current time is aligned with time line groove when chart knob is tightened 6 Confirm temperature range is set to the correct value 7 Press and hold C button When stylus begins to move r...

Страница 12: ... This device complies with the requirements of directive 93 42 EEC concerning Medical Devices as amended by 2007 47 EC 0086 Sound level is less than 70 dB A EC REP Emergo Europe Molenstraat 15 2513 BH The Hague Netherlands 4 3 WEEE Compliance The WEEE waste electrical and electronic equipment symbol right indicates compliance with European Union Directive WEEE 2002 96 EC and applicable provisions ...

Страница 13: ...hat fails due to defects in material or workmanship under normal use with the exception of expendable items Expendable items such as glass filters light bulbs and door gaskets are excluded from this warranty coverage Inspection of defective parts by Helmer will be final in determining warranty status Warranty procedures must be followed in all events 5 1 4 Labor For a period of one 1 year Helmer w...

Страница 14: ... 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 n...

Страница 15: ...ilable and no battery related alarms are active backup power for the monitoring system is available for up to 20 hours the Low Battery alarm will activate after approximately 18 hours of battery use Providing full power is available backup power for the optional Access Control system is available for up to 2 5 hours CAUTION Before installing or replacing batteries switch the power and battery OFF ...

Страница 16: ...n defrost cycles 6 3 External Monitoring Devices The remote alarm interface is a relay switch with three terminals Common COM Normally Open NO Normally Closed NC Terminals are dry contacts and do not supply voltage Interface circuit is either normally open or normally closed depending on terminals used Requirements for your alarm system determine which alarm wires must connect to terminals NOTE Do...

Страница 17: ...lf 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 6 5 Move ...

Страница 18: ...ain line Side to side 1 Using a wrench raise or lower leveling feet 2 When freezer is properly leveled bottom of the unit cooler will be horizontal parallel to the floor 6 7 Optional Adapter Kits for Medication Dispensing Locks Contact Helmer Technical Service or your distributor for service documentation pertaining to medication dispensing locks 6 8 Reverse Door Hinge and Handle NOTE Before rever...

Страница 19: ...emove Remove 4 Remove plug from the access panel on the handle side of the cabinet Remove grommet from the hole on the hinge side of the cabinet Slide the braided sleeve out of the slot on the kick plate Pull plug out Pull grommet out Slide sleeve out of slot 5 Cut the zip tie inside the cabinet Cut zip tie 6 Remove the door handle assembly a Remove four screws holding the door handle assembly on ...

Страница 20: ...ook tool to engage any hole in the spring cap compress spring downward e Remove spring assembly from the lower hinge f Set the spring assembly aside NOTE A second person should assist by supporting the door while the hinges are removed The two screws holding the hinge on the door are longer than the three screws holding the hinge on the cabinet The screws must be installed in the same location whe...

Страница 21: ...n on the cable s passing from the cabinet to the door 6 8 2 Reverse the Cable Routing in the Door The door consists of an inner frame and outer frame The power cable and communication cable are connected to the display circuit board on the front of the door behind the LCD touchscreen The length of the cables inside the door is approximately three feet The cables follow a channel along the top and ...

Страница 22: ...door Set the plug aside Pull plug out 5 Pull the grommet out of the hole in the door Slide the braided sleeve out of the slot Pull grommet out Slide sleeve out of slot 6 Re route the power cable and communication cables a Route cables inside the door along the opposite side of the door frame and out through the slot in the corner opposite from where the cables had previously exited the door b Cabl...

Страница 23: ...the braided sleeve from moving along the cables A B C C A Braided sleeve detail 8 Reinstall the inner door frame inside the outer door frame Install screws in the unused holes on the door where hinges were originally installed 6 8 3 Reinstall the Door and Hinges 1 Install the hinges and hinge plates on the door a Hand thread two screws through each hinge and into the door b Leave the screws slight...

Страница 24: ... 3 screws short Hinge Cabinet Attach hinge to cabinet lower hinge shown 3 Align the door and tighten screws a Support the door so the top edge of the door is level b Level the door using a shim if necessary c Tighten all screws attaching both hinges to the door and to the cabinet NOTE If a shim is necessary to level the door after hinge reversal contact Helmer Technical Service to obtain a shim 4 ...

Страница 25: ...all the hinge spring and pin assembly a Close the door b Assemble the hinge spring assembly for the left side of the door Figure A c Orient the bend in the coil toward the front of the freezer Figure B d Slide the internal hex cap with washer on to the upper hex bolt in the lower hinge B A Washer Internal hex cap Pin Spring Spring cap Bushing e Use a J hook tool in the spring cap to compress the s...

Страница 26: ...and the door seals tightly 6 9 Stacked Undercounter Units CAUTION For a stacked configuration both units must have leveling feet installed The back brace bars and front stabilizing brackets must be installed PN 400821 1 blue or 400821 2 stainless steel When stacking a refrigerator and freezer 104 and or 105 models place the heavier unit on the bottom Do not open multiple loaded drawers or baskets ...

Страница 27: ...n or by Helmer Technical Service The i C temperature monitor and controller is programmed at the factory To change a setting first enter the Settings mode then the setting The method for accessing the Settings mode for each setting varies 7 1 Home Screen The Home screen appears when The Home button is touched from any other screen There is no interaction for two minutes on any screen other than th...

Страница 28: ...s the temperature at which the freezer operates 5 Touch or on the Hysteresis Setpoint spin box The hysteresis setpoint is the allowable fluctuation in temperature relative to the temperature setpoint A lower hysteresis setpoint will limit the temperature variation to a smaller range A higher setpoint will allow the temperature to vary across a larger range NOTE Hysteresis is factory preset and sho...

Страница 29: ...ged unless directed by Helmer Technical Service 7 3 1 Calibrate Monitor Probe Verify monitor probe is reading chamber temperature correctly by comparing monitor probe reading to temperature read by an independent thermometer If monitor probe is not reading correctly change the value displayed on the monitor NOTE Probe in the bottle is connected to the monitoring system and senses chamber temperatu...

Страница 30: ...ging the Control Sensor Offset The monitor temperature must be verified and accurate prior to adjusting the Control Sensor Offset 1 View and record the Freezer Setpoint Reference Section II Item 7 2 2 Allow the unit to run with calibrated monitor temperature for several compressor cycles and record the average monitor temperature 3 View and record the current Control Offset value 4 Subtract the Fr...

Страница 31: ... Temperature Calibration Values Values previously entered during setup Unit ID Serial number entered at factory Date Format MM DD YYYY Day Not affected maintained in real time clock Month Year Time Format 12 hour Minute Not affected maintained in real time clock Hour AM PM Language Language previously selected during setup Temperature Units C Password Protection for Settings screen On Temperature ...

Страница 32: ...nt to restore factory settings message appears Do one of the following Touch Yes The message screen closes and factory settings are restored Touch No The message screen closes and factory settings are not restored 7 3 6 Change Factory Settings Several of the freezer operating parameters are configured at the factory The settings listed below are set at the factory and may be changed at the directi...

Страница 33: ...int 2 Touch Home i C APPS Temperature Alarm Test 3 Touch Low Alarm Test 4 Peltier Test Probe Cooling message appears 5 When displayed temperature reaches the alarm setpoint temperature reading turns red 6 When completed Test Complete appears 7 Touch Home i C APPS Information Logs Event Log Touch the event to view event details 8 Observe the temperature at the time of the low temperature alarm even...

Страница 34: ...temperature on the i C display at which the high temperature alarm sounds 6 Compare the temperature at which the alarm sounds to the high alarm setpoint If values do not match refer to Section II Item 9 Troubleshooting 7 Remove probe from product simulation solution 8 Place monitor probe in probe bottle immersing it at least 2 50 mm 7 4 3 Power Failure Alarm Test NOTE During a power failure the po...

Страница 35: ...splayed on the i C 2 Wait 15 to 30 seconds for the calibration file to load 3 When the calibration screen appears remove the flash memory device from the USB port 4 Follow the on screen instructions touching the crosshair icons as they appear on the screen NOTE For accurate calibration results and to avoid damage to the touchscreen touch the crosshairs with the eraser end of a pencil 5 After all c...

Страница 36: ...0 kPa to 1520 kPa Add refrigerant 1 Attach pressure gauge to the fittings on the refrigeration lines 2 Monitor the low side suction pressure through a full compressor cycle 3 Measure the pressure at the end of the next cycle immediately before the compressor stops NOTE Pressure varies depending on ambient air temperature 4 Add refrigerant Check the pressure on the high side and the low side Low si...

Страница 37: ...tive maintenance schedule Clean the condenser grill using a soft brush and a vacuum cleaner 8 4 2 Exterior Clean glass surfaces with soft cotton cloth and glass cleaner Clean exterior surfaces with soft cotton cloth and non abrasive liquid cleaner 8 4 3 Interior Clean painted surfaces with mild detergent Clean stainless steel surfaces with a general purpose laboratory cleaner suitable for stainles...

Страница 38: ...ual Defrost Start button The Defrost icon will appear for the duration of the defrost cycle 3 To cancel touch the Manual Defrost Stop button 8 6 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 5 16 ...

Страница 39: ... 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 8 6 2 Install the Unit Cooler Cover 1 Verify unit cooler wiring is connected and routed correctly a Wiring should be routed above copper tube inside the unit cooler b Reconnect wires if they have separated 2 Attach unit cooler cover a Lif...

Страница 40: ...rectly Replace if necessary The door does not open easily Debris in the hinges Confirm the hinges are free of debris Clean the hinges if necessary Hinge is faulty Confirm the hinge spring or pin is not damaged Replace entire hinge lower hinge only if necessary Door hinges are not lubricated Using a general purpose grease lubricate the pivots in the hinges Lower hinge spring and or pin may be bent ...

Страница 41: ...bottle is frozen Refill the bottle with new solution Digital electronics are locked because of an interruption in power Reset the monitoring system Monitor is not calibrated Confirm the monitor probe is reading correctly Calibrate the monitor probe if necessary The chamber temperature meets an alarm condition but the appropriate temperature alarm is not active Temperature alarm setpoint was change...

Страница 42: ...ary Ambient air temperature around the freezer is too high Confirm freezer location meets requirements Refer to the operation manual A component is faulty or internal connections are loose Contact Helmer Technical Service 9 3 Alarm Activation Problems Problem Possible Cause Action The freezer is in an alarm condition but alarms are not audible Alarm system is faulty Confirm the circuit board and l...

Страница 43: ...m setpoint is set too low Check the setpoint Change the setpoint if necessary A component is faulty or internal connections are loose Contact Helmer Technical Service The freezer is connected to power but the AC Power Failure alarm is active Outlet connection is faulty Verify power at the outlet Repair the original outlet or connect to a different outlet if necessary Power cord is faulty Confirm t...

Страница 44: ...elmer Technical Service Door Ajar Timeout is set to zero causing the alarm to activate immediately when the door is opened Check the current setpoint for the Door Ajar alarm Change the setpoint if necessary All alarms are activating sporadically Alarm system is faulty Confirm the circuit board and line connections are functioning correctly Monitor control board is faulty Replace parts with those i...

Страница 45: ... Refer to the operation manual Condenser probe is not calibrated Confirm the condenser probe is reading correctly Calibrate the probe if necessary Condenser alarm setpoint is too low Confirm the alarm setpoint is at the appropriate value Condenser fan motor is faulty Replace the condenser fan motor A component is faulty or internal connections are loose Contact Helmer Technical Service An alarm ac...

Страница 46: ... the back of the unit Humid air is entering the chamber Confirm the freezer is level and the door is aligned closing tightly and sealing correctly Correct issues as necessary There is excessive ice in the chamber Humid air is entering the chamber Confirm the freezer is level and the door is aligned closing tightly and sealing correctly Correct issues as necessary Unit cooler drain line is damaged ...

Страница 47: ...y Drain line is plugged Confirm the drain tube is free of debris Remove debris if necessary Drain line heater is faulty Confirm the drain line heater is warm to the touch Contact Helmer Technical Service to resolve issues as necessary Defrost heater on the evaporator in the unit cooler is not working Check for ice buildup on the evaporator by looking through the fan grill with a flashlight If ther...

Страница 48: ...ze at setpoint after replacing parts or after extended door opening 10 1 Front 10 1 1 Control System Display A B C Left Front view LCD touchscreen Right Rear view showing display board Label Description Part Number Schematic Label A Interface cable 800010 1 IG B Power cable 800010 1 IH C Display assembly includes touchscreen display board interface cable speaker 800041 1 IQ ...

Страница 49: ...ng A B C Control and monitoring features Label Description Part Number Schematic Label A i C monitoring and control system B Temperature chart recorder standard on plasma freezer model optional on laboratory model 500613 1 C Chart paper 52 sheets 220419 Not shown Chart recorder backup battery 120218 10 1 3 Lower Panel A B C D Lower panel features Label Description Part Number Schematic Label A Bat...

Страница 50: ...sembly includes magnet and door handle 800139 1 AXb C Backup battery key switch 401220 1 AXa 10 2 Rear REF SN ILF105 2000000 Version D www helmerinc com M N O G H I J K L A B C D E F Rear features Label Description Part Number Schematic Label A Nut flanges for brace bars used in stacking undercounter units B Rear access port C Drain line fan 115 V 400909 1 230 V 400909 2 Q D Drain line heater 115 ...

Страница 51: ... Power cable with connector North American models 120 V 120630 230 V 120631 European models 230 V 120156 Chinese models 203 V 120547 Saudi Arabian models 230 V 120641 A M Condenser probe 800039 1 IL N Compressor 115 V 800012 1 230 V 50 Hz 800104 1 230 V 60 Hz 800105 1 J O Condenser fan motor 115 V 120608 230 V 50 Hz 120660 230 V 60 Hz 120661 K Not shown Caster optional swivel with brake 220467 10 ...

Страница 52: ...1 ID B Compressor relay 115 V 120426 230 V 50 Hz 120669 230 V 60 Hz 120671 L C i C control board 800034 1 IA Not shown Power line filter 115 V 120299 230 V 120677 B Not shown Compressor power line filter 120706 V NOTE The i C control board is sensitive to static electricity and can be damaged by electrostatic discharge Use proper ESD precautions when handling the board ...

Страница 53: ...ehind strike plates 115 V 800081 1 230 V 800106 1 U C Drawer blood bank model 400854 3 D Door switch 120380 M E Roll out basket optional 400890 3 F Standard for shelf drawer or roll out basket 321173 1 G Monitor probe 800038 1 IK H Drawer slide for drawer or roll out basket 400753 2 I Probe bottle and propylene glycol kit 400922 2 J Shelf 400814 1 Not shown Optional adapter kit for medication disp...

Страница 54: ...ooler fan motor 115 V 120540 230 V 120658 E D Control probe 800048 1 IT E Defrost heater 115 V 120633 230 V 120659 R F Defrost heater limit thermostat 800014 1 S Not shown Defrost temperature probe IL 10 5 Side Access Panel Undercounter freezers feature easy access for servicing removal and replacement of the compressor and condenser The compressor is accessible from the rear and the side Side acc...

Страница 55: ...n is stopped by the side plate C D Label Description Part Number A Hinge covered edge mount 220506 B Hinge uncovered without spring assembly C Hinge uncovered spring and pin assembly D Close up hinge spring and pin assembly E Door handle Magnetic offset latch with key lock 220426 F Door key lock with key close up Not shown Door gasket magnetic Not shown Door lock replacement kit 220439 ...

Страница 56: ...360142 D D 55 i Series Models 11 Schematics 11 1 iPF and iLF Models 105 Configuration ...

Страница 57: ...360142 D D 56 i Series Models Monitor Control Control ...

Страница 58: ... 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 Providing full power is available backup power for the optional Access Control system is available for up to 2 5 hours CAUTION Before installing or replacing batteries...

Страница 59: ...ost 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 A B C D E Defrost controller with current time set to approximately 9 30 PM...

Страница 60: ...ost events must be at least one hour apart NOTE Three defrost cycles are recommended for consistent freezer operation 12 2 3 Schedule a Defrost Event 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 1 Switch the AC ON OFF switch OFF Turn the Alarm Disab...

Страница 61: ...e 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 Switch AC ON OFF switch ON Reconnect the battery 6 Press the Mute button to disable the high temperature alarm while freezer reaches operating temperature 12 4 Move Drawers Shelves and Baskets Storage features CAUTION Before moving drawers ensure ...

Страница 62: ...ds 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 12 6 Level the Freezer NOTE Leveling feet are optional Helmer recommends the use of leveling feet unless casters are installed and wall and floor brackets PN 400472 2 for ...

Страница 63: ...AC ON OFF switch OFF Disconnect the battery 2 Remove four screws holding the kick panel on the cabinet Set the kick panel aside Remove Kick panel Remove 3 Remove six screws holding the access panel and cover on the cabinet Lay the panel in front of the cabinet ensuring there is no strain on the power switch wires Remove Remove Access panel Access panel Access panel cover Access panel cover Remove ...

Страница 64: ...spring assembly from the lower hinge a Use a J hook tool to engage the left most hole in the spring cap and rotate the spring cap from left to right and hold b Remove the pin from the spring cap c Allow the spring to relax d Use a J hook tool to engage any hole in the spring cap compress spring downward e Remove spring assembly from the lower hinge f Set the spring assembly aside NOTE A second per...

Страница 65: ...osition d Set the upper hinge aside Shim Remove 2 screws long Remove 3 screws short Cabinet Hinge plate Hinge Door Hinge removal lower hinge shown with spring removed 12 Lay the door face down in front of the cabinet Ensure that there is no strain on the cable s passing from the cabinet to the door 12 8 2 Reverse the Cable Routing in the Door The undercounter door consists of an inner frame and ou...

Страница 66: ...the door assembly to lift the inner frame 4 Remove the plug from the handle side of the door Set the plug aside Pull plug out 5 Pull the grommet out of the hole in the door Slide the data cable out of the slot Pull grommet out Slide cable out of slot 6 Re route the data cable a Route the data cable inside the door and out through the slot in the corner opposite from where the cable had previously ...

Страница 67: ...o screws through each hinge and into the door b Leave the screws slightly loose c If a shim was used on the lower hinge transfer the shim to the new hinge location NOTE Ensure that the upper and lower hinges are not interchanged when moving the hinges to the opposite side of the door 2 screws long Hinge plate Shim Door Hinge Attach hinge to door lower hinge shown NOTE A second person should assist...

Страница 68: ...le to the zip tie holder under the cabinet on the hinge side Secure cable with zip tie Data cable secured at the hinge side of the cabinet after hinge reversal 5 Install the data cable in the door a Slide the data cable through the slot in the access panel b Install the grommet in the hole c Install the plug in the access panel on the opposite side d Allow enough slack approximately 3 in the data ...

Страница 69: ... hook tool in the spring cap to compress the spring upward Figure C f While compressing the spring slide the spring cap over the lower hex bolt in the lower hinge Figure D D C g Use a J hook tool to engage the right most hole in the spring cap and rotate the spring cap from right to left and hold h Count four holes starting from and including the spring cap hole closest to the end of the coil i In...

Страница 70: ...cked configuration both units must have leveling feet installed The back brace bars and front stabilizing brackets must be installed PN 400821 1 blue or 400821 2 stainless steel When stacking a refrigerator and freezer 104 and or 105 models place the heavier unit on the bottom Do not open multiple loaded drawers or baskets at the same time Call Helmer or your distributor for more information on th...

Страница 71: ...cates low alarm temperature setpoint is being changed C DOOR ALARM lamp Indicates when the door is open D COOL lamp Indicates the compressor is running E SET lamp Indicates when temperature setpoint or alarm setpoint is being changed F Display Displays real time temperature information setpoints and alarms G SEL button Toggles between alarm monitor and control modes H CONTROL lamp Indicates when t...

Страница 72: ...ollowed by a single beep to indicate exit back to the temperature display 3 View recorded temperature timer NOTE The timer denotes the period of time that has elapsed It does not display the time at which a minimum or maximum temperature occurred The maximum period of time the timer can record is 99 59 99 hours and 59 minutes a Press and hold either the Up or Down Arrow button for 1 second b While...

Страница 73: ...MONITOR Lamp 10 0 to 10 0 C 18 to 18 F Varies Control Offset CONTROL Lamp 10 0 to 10 0 C 18 to 18 F Varies Hysteresis CONTROL Lamp 0 5 to 2 5 C 1 to 5 F 2 0 C 13 4 1 View Alarm Setpoints and Offset Values 1 Press and hold the Up and Down Arrows simultaneously for 3 seconds to enter program mode 2 The LED Display will show C or F to indicate Celsius or Fahrenheit 3 Press and release SEL to scroll t...

Страница 74: ...rature calibration setpoints indicate an acceptable margin of error between the actual temperature value and the desired temperature value 13 6 1 Monitor Offset Value is factory set to match a calibrated reference thermometer NOTE Ensure the product simulation bottle is full of solution Probes in the bottle are connected to the monitoring system and sense chamber temperature These probes do not af...

Страница 75: ...rd the current Control Offset value 4 Subtract the Freezer Setpoint from the average monitor temperature and record the difference 5 Add the current Control Offset value to the recorded difference determined in the previous step to establish the new Control Offset value EXAMPLE 1 Freezer Setpoint is 30 0 2 Average monitor temperature is 31 2 3 Current Control Offset is 0 3 4 Subtract 31 2 30 0 1 2...

Страница 76: ...n solution observe the temperature on the monitoring system display at which the high temperature alarm sounds 6 Compare the temperature at which the alarm sounds to the high alarm setpoint If values do not match refer to Section III Item 15 Troubleshooting 7 Remove probe from product simulation solution 8 Place monitor probe in probe bottle immersing it at least 2 50 mm 13 7 2 Power Failure Alarm...

Страница 77: ...gerant 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...

Страница 78: ...n preventive maintenance schedule Clean the condenser grill using a soft brush and a vacuum cleaner 14 4 2 Exterior Clean exterior surfaces with soft cotton cloth and non abrasive liquid cleaner 14 4 3 Interior Clean painted surfaces with mild detergent Clean stainless steel surfaces with a general purpose laboratory cleaner suitable for stainless steel 14 4 4 Clean and Refill Probe Bottle Obtain ...

Страница 79: ... element F Heater wires G Protective cover H Drain tube 14 5 1 Remove the Unit Cooler Cover 1 Switch AC ON OFF switch OFF Disconnect the battery 2 Remove the rear protective cover G on the rear of the cabinet a Loosen four screws b Slide the cover up and remove c Cut the wire ties securing the drain line to the cabinet 3 On the back of the cabinet peel the putty back to expose the drain tube H and...

Страница 80: ...cooler b Reconnect wires if they have separated 2 Attach unit cooler cover a Lift unit cooler cover into place b Front edge of the cover should be behind the unit cooler case c Use the socket wrench to install four screws to secure the unit cooler cover 3 Insert the drain tube through hole in the cabinet a Push drain tube upward at an angle toward the unit cooler drain port b Picot the drain tube ...

Страница 81: ...awer or basket out and confirm the slides are free of ice De ice if necessary Drawer or basket is misaligned or not level Confirm both slides for the drawer or basket are mounted at the same height Drawer or basket slide is faulty Confirm the slide is operating correctly Replace if necessary The door does not open easily Debris in the hinges Confirm the hinges are free of debris Clean the hinges i...

Страница 82: ...r temperature meets an alarm condition but the appropriate temperature alarm is not active Temperature alarm setpoint was changed Check the current setpoints for the temperature alarms Change the setpoints if necessary The compressor runs continuously Freezer setpoint is set too low Confirm the setpoint is set within the operating range and change it if necessary Control probe in the unit cooler i...

Страница 83: ...e the fan motor or door switch if necessary Compressor motor has seized Replace the compressor Control probe is out of calibration Confirm the probe is providing accurate temperature readings Control probe is faulty Confirm the probe is providing resistance in the range of 98 Ω to 110 Ω Replace the probe if necessary Refrigerant level is too low Check the refrigeration lines for leaks and repair t...

Страница 84: ...be is faulty Test the probe Replace the probe if necessary Unit cooler fan continues to run while the door is open Test the door switch and unit cooler fan connections Secure the connections if necessary Replace the door switch or fan motor if necessary Probe bottle is empty Check the level of product simulation solution in the bottle Clean and refill bottle if necessary High temperature alarm set...

Страница 85: ...lty Confirm the circuit board and line connections are functioning correctly Monitor control board is faulty Replace parts with those included in the control board kit or replace the monitor control board A component is faulty or internal connections are loose Contact Helmer Technical Service Compressor is overheating due to lack of airflow Check the condenser grill Clean if necessary Confirm free...

Страница 86: ...is being drawn toward the freezer Confirm the connections are secure Tighten connections if necessary Replace the drain line fan if necessary There is excessive moisture on the doors Humid air is entering the chamber Confirm the freezer is level and the door is aligned closing tightly and sealing correctly Relative humidity around freezer is too high Confirm freezer location meets requirements Aft...

Страница 87: ...ter extended door opening 16 1 Front 16 1 1 Control System Display A Top Display with touchpad Bottom Display board Label Description Part Number Schematic Label A Touchpad display board assembly 400838 1 HI Not shown Interface cable Without Access Control 800032 1 HL NOTE The display board is sensitive to static electricity and can be damaged by electrostatic discharge Use proper ESD precautions ...

Страница 88: ...dard on plasma freezer model optional on laboratory model 500613 1 C Chart paper 52 sheets 220419 Not shown Chart recorder backup battery 120218 16 1 3 Lower Panel A B C D Lower panel features Label Description Part Number Schematic Label A Monitoring system backup battery 120399 HH B Alarm disable key switch 120227 HD C Circuit breakers 230 V models only 120288 B D ON OFF AC power switch 120478 C...

Страница 89: ...mber Schematic Label A Door handle includes manual keyed lock 322000 1 B Keypad 800007 1 HM C Magnetic lock assembly includes magnet and handle 800139 1 AXb D Backup battery key switch 401220 1 AXa E Backup battery behind battery cover 120628 AXe 16 2 Rear REF SN ILF105 2000000 Version D www helmerinc com A B C D E F K L G H I J Rear features ...

Страница 90: ...ver 321184 1 H Remote alarm contacts I Power cable with connector North American models 120 V 120630 230 V 120631 European models 230 V 120156 Chinese models 203 V 120547 Saudi Arabian models 230 V 120641 A J Condensate evaporator tray K Compressor 115 V 800012 1 230 V 50 Hz 800104 1 230 V 60 Hz 800105 1 J L Condenser fan motor 115 V 120608 230 V 50 Hz 120660 230 V 60 Hz 120661 K Not shown Cover f...

Страница 91: ... 50 Hz 120669 230 V 60 Hz 120671 L B Temperature control transformer 115 V 401097 1 230 V 401098 1 HO C Control monitor board 800006 1 HA D Defrost timer 800015 1 HF E Alarm buzzer 120160 HE Not shown 12 V DC power supply for Access Control optional 800035 1 HN Not shown Power line filter 115 V 120299 230 V 120677 D NOTE The control board is sensitive to static electricity and can be damaged by el...

Страница 92: ...reezer model 400584 3 C Door switch 120380 M D Mullion heater behind strike plates 115 V 800081 1 230 V 800106 1 E Roll out basket optional 400890 3 F Standard for shelf drawer or roll out basket 321173 1 G Monitor probe 800029 1 HC H Drawer slide for drawer or roll out basket 400753 2 I Probe bottle and propylene glycol kit 400922 1 J Shelf laboratory pharmacy model 400814 1 Not shown Optional ad...

Страница 93: ... probe Label Description Part Number Schematic Label A Unit cooler assembly 115 V 120592 230 V 120657 F B Fan guard C Unit cooler fan motor 115 V 120540 230 V 120658 E D Control probe 800028 1 HB E Defrost heater 115 V 120633 230 V 120659 R F Defrost heater limit thermostat 800014 1 S Not shown Fan delay defrost termination thermostat 800085 1 HJ ...

Страница 94: ... pin is stopped by the side plate C D Label Description Part Number A Hinge covered edge mount 220506 B Hinge uncovered without spring assembly C Hinge uncovered spring and pin assembly D Close up hinge spring and pin assembly E Door handle Magnetic offset latch with key lock 220426 F Door key lock with key close up Not shown Door gasket magnetic Not shown Door lock replacement kit 220439 ...

Страница 95: ... Series Models 16 6 Side Access Panel Undercounter freezers feature easy access for servicing removal and replacement of the compressor and condenser The compressor is accessible from the rear and the side Side access panel ...

Страница 96: ...360142 D D 95 Horizon Series Models 17 Schematics 17 1 HPF and HLF Models 105 Configuration Without Access Control MONITOR ...

Страница 97: ...360142 D D 96 Horizon Series Models 17 1 HPF and HLF Models 105 Configuration With Access Control MONITOR END OF MANUAL ...

Страница 98: ......

Страница 99: ...HELMER SCIENTIFIC 14395 Bergen Boulevard Noblesville IN 46060 USA Phone 1 317 773 9073 Fax 1 317 773 9082 www helmerinc com ...

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