Helmer i Series Service And Maintenance Manual
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Helmer i Series Service And Maintenance Manual

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Pharmacy
i.Series
iPR225, iPR456
Horizon Series
HPR225, HPR456
Blood Bank
i.Series
iB225, iB456
Horizon Series
HB225, HB456
360379/A/C
Refrigerator Service and Maintenance Manual
®
i.Series
and Horizon Series™ - Pass-Thru
360379/D

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  • Page 1 Refrigerator Service and Maintenance Manual ® i.Series and Horizon Series™ - Pass-Thru Pharmacy i.Series iPR225, iPR456 Horizon Series HPR225, HPR456 Blood Bank i.Series iB225, iB456 Horizon Series HB225, HB456 360379/D 360379/A/C...
  • Page 2 , Horizon Series™, and Rel.i™ are registered trademarks or trademarks ® of Helmer, Inc. in the United States of America. All other trademarks and registered trademarks are the property of their respective owners. Helmer, Inc., doing business as (DBA) Helmer Scientific and Helmer.

  • Page 3: Table Of Contents

    Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Contents About this Manual ....................4 Intended Use .
  • Page 4 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Installation and Configuration ..................39 Location Requirements .

  • Page 5: About This Manual

    Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense. Helmer refrigerators are intended for the storage of blood products and other medical and scientific products. Safety Symbols and Precautions...
  • Page 6 ♦ Use manufacturer supplied power cord only. ♦ Using the equipment in a manner not specified by Helmer Scientific may impair the protection provided by the equipment. ♦ Ensure biological materials are stored safely, in accordance with all applicable organizational, regulatory, and legal requirements.

  • Page 7: Model And Input Power

    Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Model and Input Power Note Service information varies depending on the model and power requirements. Table 1. Model and Input Power Current Model Voltage Frequency...

  • Page 8: Installation And Configuration

    Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ ® i.Series Information Installation and Configuration Location Requirements ♦ Grounded outlet meeting the electrical requirements listed on the product specification label. ♦ Clear of direct sunlight, high temperature sources, and heating and air conditioning vents.

  • Page 9: Prepare For Monitoring

    Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ The back-up battery is located on top of the refrigerator. Monitoring system back-up battery i.Lock interlock key switch (supplies power to optional i.Lock interlock) Prepare for Monitoring The back-up battery switch is switched off for shipping.
  • Page 10 • For accurate temperature reading, ensure the current time is aligned with the time line groove when chart knob is tightened. • Contact Helmer Customer Service to reorder chart paper; part number 220366 (52 sheets) Chart recorder stylus and time line groove 1.

  • Page 11: 2.5 Configure Storage

    Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ 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.

  • Page 12: Optional Adapter Kits For Medication Dispensing Locks

    4. Insert front brackets into standard at appropriate height. 5. Tap front brackets downward to engage standards. 6. 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. 360379/D...

  • Page 13: Controls

    Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Controls monitoring and control system. The i.C i.Series models are equipped with the i.C system combines temperature control and monitoring into a single user interface.

  • Page 14: Alarm Reference

    • Changing temperature settings affects operation of the refrigerator. Do not change settings unless instructed in product documentation or by Helmer Technical Service. The i.C³ temperature monitor and controller is programmed at the factory. To change a setting, first enter the Settings screen, then select the setting.
  • Page 15 The duty cycle is the percentage of time the compressor will run in the event of a temperature control probe failure. Note Hysteresis, Delay on Start-up, and Duty Cycle During Control Probe Error are factory-preset and should not be changed unless directed by Helmer Technical Service. 360379/D...
  • Page 16 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ User Configurable 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.
  • Page 17 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Non-Configurable Alarms The following alarms indicate operational conditions which require the attention of the operator or a qualified service technician. Table 5. Non-Configurable Alarm Alarm Description Rechargeable battery voltage is low...

  • Page 18: Sensor Calibration

    • After one hour of no interaction, the Home screen or Temperature Graph screensaver (if enabled) is displayed. • Compressor Probe offset is factory-preset and should not be changed unless directed by Helmer Technical Service. Primary Monitor and Secondary Probes Verify primary monitor and secondary probes are reading chamber temperature correctly by comparing probe readings to the temperature measured by a calibrated reference thermometer.
  • Page 19 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Calibrate Primary Monitor Probe: 1. Remove primary monitor probe from the upper probe bottle. 2. Unscrew the cap from the bottle. 3. Attach a calibrated independent reference thermometer traceable per national standards to the primary monitor probe, and place them in the bottle.
  • Page 20 ♦ Raise the offset value to lower chamber temperature; lower the offset value to raise chamber temperature. 5. Touch Home to return to home screen. Compressor Probe The compressor probe has been factory-calibrated. Changing the calibration settings is not typically necessary and should not be performed unless directed by Helmer Technical Service. 360379/D...
  • Page 21 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ 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 refrigerator was shipped.
  • Page 22 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Additional Factory Default Settings for Models with Low Humidity Option Table 7. Low Humidity Unit Default Settings Setting Restored Value Defrost Event #1 On/Off Defrost Event #1 Start Time...

  • Page 23: Maintenance

    ü Electrical Compartment • Inspect electrical components and wiring terminals in the electrical box for discoloration. Contact Helmer Technical Service if any discoloration is found. • Inspect all wiring terminals for secure connection. Tighten wiring terminal connections as necessary. ü...

  • Page 24: Alarm Tests

    Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Alarm Tests > Test alarms to ensure they are working correctly. The refrigerator has alarms for chamber temperature, compressor temperature, door open (time), power failure, low battery, and power failure. To initiate alarm tests, touch i.C³ APPS, Temperature Alarm Test.

  • Page 25: Upgrade System Firmware

    3. Close door. Alarm will clear, and audible alarm will cease. 4. Change the Door Open (Time) setting to the original setting. Upgrade System Firmware Helmer may occasionally issue updates for the i.C³ firmware. Follow upgrade instructions included with the firmware update. 360379/D...

  • Page 26: Test And Replace Back-Up Batteries

    Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Test and Replace Back-up Batteries Monitoring System Back-up Battery On all i.C³ screens, the Battery icon will appear in the header bar when the system is running on battery power and the screen brightness will automatically be reduced.
  • Page 27 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Door Gasket Clean with soft cloth and mild soap and water solution. Probe Bottles Clean and Refill Probe Bottles 1. Remove all probes from bottle. 2. Remove bottle from bracket and empty any remaining solution.

  • Page 28: Service

    • If a refrigerant leak is suspected, Helmer recommends finding and fixing the leak prior to recharging the unit. Full initial refrigerant charge varies by model and power requirements, which can be found on the product specification label and in the table below.
  • Page 29 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Remove Unit Cooler Cover 1. Switch AC ON/OFF switch OFF. Switch battery switch OFF. 2. Remove top drawer, basket, or shelf from the chamber. 3. Remove drain hose from unit cooler drain port by pulling drain hose downward while gently twisting to remove from drain port.

  • Page 30: Troubleshooting

    Digital electronics are locked Reset the monitoring system. because of an interruption in power. Contact Helmer Technical Service. A component is faulty or internal connections are loose. The chamber temperature Condenser grill is dirty. Check the condenser grill. Clean the grill if necessary.

  • Page 31: Chamber Temperature Problems

    Connections for the monitor probe are loose. Test the probe. Replace the probe if necessary. Monitor probe is faulty. Contact Helmer Technical Service. A component is faulty or internal connections are loose. The refrigerator is connected Turn the ON/OFF AC power switch to the ON position.

  • Page 32: Testing Problems

    Condenser alarm setpoint is too low. Condenser fins are dirty. Clean as necessary, or order new ones from Helmer or your distributor. Compressor is overheating due Check the condenser grill and clean if necessary. to a lack of air flow.

  • Page 33: Condensation Problems

    Confirm the refrigerator is level, and the door is aligned, closing tightly, and Water leaks from the bottom of Humid air is entering the the refrigerator. chamber. sealing correctly. Excessive water is found in Contact Helmer Technical Service to correct issues as necessary. the evaporation tray inside the refrigerator. 360379/D...

  • Page 34: I.series ® Parts

    Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ i.Series ® Parts Notes • Before replacing parts, protect items in refrigerator from extended exposure to adverse temperature. • Allow refrigerator temperature to stabilize at setpoint after replacing parts or after extended door opening.
  • Page 35 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ CAUTION Disconnect refrigerator from power when replacing LED lamps. Letter Description Model Part Volts Letter Description Part Number Number Unit cooler assembly 800831-1 Bridge shelf...
  • Page 36 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ CAUTION • Disconnect the refrigerator from AC power before opening the electrical box. Note The i.C control board is sensitive to static electricity and can be damaged by electrostatic discharge. User proper ESD precautions when handling the board.

  • Page 37: Schematics

    5 6 7 8 9 10 09S039/D THESE DRAWINGS AND SPECIFICATIONS ARE THE SOLE PROPERTY OF HELMER INC. AND SHALL NOT BE REPRODUCED OR USED AS THE BASIS FOR MANUFACTURE OR SALES OF APPARATUS WITHOUT THE APPROVAL OF HELMER INC. 360379/D...

  • Page 38: These Drawings And Specifications Are The Sole Property Of Helmer Inc. And Shall Not Be Reproduced Or

    Double Door/Pass Thru Only L1-2 09S039/D THESE DRAWINGS AND SPECIFICATIONS ARE THE SOLE PROPERTY OF HELMER INC. AND SHALL NOT BE REPRODUCED OR USED AS THE BASIS FOR MANUFACTURE OR SALES OF APPARATUS WITHOUT THE APPROVAL OF HELMER INC. 360379/D...

  • Page 39: Ib And Ipr Models; 225 And 456 Configurations With I.lock™ Interlock

    DBL DR ONLY ROOM MAG 0v MAG-4 09S039/D THESE DRAWINGS AND SPECIFICATIONS ARE THE SOLE PROPERTY OF HELMER INC. AND SHALL NOT BE REPRODUCED OR USED AS THE BASIS FOR MANUFACTURE OR SALES OF APPARATUS WITHOUT THE APPROVAL OF HELMER INC. 360379/D...
  • Page 40 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Horizon Series™ Information Installation and Configuration Location Requirements ♦ Grounded outlet meeting the electrical requirements listed on the product specification label. ♦ Clear of direct sunlight, high temperature sources, and heating and air conditioning vents.
  • Page 41 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Connect Back-Up Power The monitoring system has a back-up 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 battery power is available, back-up power for the monitoring system is available for up to two hours.
  • Page 42 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ 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.
  • Page 43 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ External Monitoring Devices The remote alarm interface is a relay switch with 3 terminals: ♦ Common (COM) ♦ Normally Open (NO) ♦ Normally Closed (NC) Terminals are dry contacts and do not supply voltage.
  • Page 44 4. Insert front brackets into standard at appropriate height. 5. Tap front brackets downward to engage standards. 6. 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. 360379/D...
  • Page 45 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Controls Horizon Series models are equipped with a monitor and control system which allows users to view and change current settings. 10.1 Monitor and Control Interface Table 9.
  • Page 46 • This feature is standard on Horizon Series™ models with serial numbers of 2015494 or higher. Some exceptions may exist. For confirmation on your unit, please contact Helmer Technical Service. • Units that do not include the minimum and maximum recording feature will not display .C or .F when entering the program mode.
  • Page 47 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ 10.2 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.
  • Page 48 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Temperature setpoint The default setpoint for the refrigerator is 4.0 °C. This can be changed if your organization requires a chamber temperature other than 4.0 °C.
  • Page 49 Determine control sensor offset: Notes • Control Sensor Offset is factory-preset and changing this value is not recommended. Contact Helmer Technical Service for questions regarding the Control Sensor Offset. 1. View and record the Refrigerator Setpoint. (Reference Section 10.3) 2.
  • Page 50 Hysteresis is the allowable temperature control variance on each side of the refrigerator setpoint. Note The Hysteresis value is factory-preset and should not be changed unless directed by Helmer Technical Service. Non-Configurable Alarms The Power Failure and Door Open alarms indicate operational conditions which may require the attention of the operator or a qualified service technician.
  • Page 51 ü Electrical Compartment • Inspect electrical components and wiring terminals in the electrical box for discoloration. Contact Helmer Technical Service if any discoloration is found. • Inspect all wiring terminals for secure connection. Tighten wiring terminal connections as necessary. ü...
  • Page 52 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ 11.1 Alarm Tests Test alarms to ensure they are working correctly. The refrigerator has alarms for chamber temperature, power failure, and door open (time). Chamber Temperature Alarm Test NOTICE •...
  • Page 53 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ 11.2 Test and Replace Back-up Batteries Check Monitoring System Battery The monitoring system does not indicate the charge level of the battery. Regularly test the battery and replace if the test fails or if the battery has been in use for one year.
  • Page 54 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Probe Bottles Clean and Refill Probe Bottles 1. Remove all probes from bottle. 2. Remove bottle from bracket and empty any remaining solution 3. Clean bottle with a 1:9 ratio of bleach to water solution or a company approved equivalent oxidizing cleaner/disinfectant.
  • Page 55 • If a refrigerant leak is suspected, Helmer recommends finding and fixing the leak prior to recharging the unit. Full initial refrigerant charge varies by model and power requirements, which can be found on the product specification label.
  • Page 56 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ 12.3 Remove / Replace Unit Cooler Cover The unit cooler cover must be removed when service to the control probe, fan motor(s) or coil is performed.
  • Page 57 Digital electronics are locked Reset the monitoring system. because of an interruption in power. Contact Helmer Technical Service. A component is faulty or internal connections are loose. Contact Helmer Technical Service. “Prob” appears on the display, A component is faulty or internal but the chamber temperature connections are loose.

  • Page 58: Power Cord

    Audible alarms have been muted. Verify the Alarm Disable key switch is not turned Off. alarm is not audible or active. Contact Helmer Technical Service. A component is faulty or internal connections are loose. The High Temperature alarm Check level of product simulation solution in the bottle.
  • Page 59 Confirm the refrigerator is level, and the door is aligned, closing tightly, and Water leaks from the bottom of Humid air is entering the the refrigerator. chamber. sealing correctly. Excessive water is found in Contact Helmer Technical Service to correct issues as necessary. the evaporation tray inside the refrigerator. 360379/D...

  • Page 60: Horizon Series™ Parts

    Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Horizon Series™ Parts Notes • Before replacing parts, protect items in refrigerator from extended exposure to adverse temperature. • Allow refrigerator temperature to stabilize at setpoint after replacing parts or after extended door opening.
  • Page 61 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ CAUTION Disconnect refrigerator from power when removing and replacing LED lamps Letter Description Model Part Volts Letter Description Part Number Number Two-way roll-out basket assembly...
  • Page 62 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ CAUTION • Disconnect the refrigerator from AC power before opening the electrical box. Note Circuit boards are sensitive to static electricity and can be damaged by electrostatic discharge. Use proper ESD precautions when handling these boards.

  • Page 63: Schematics

    230V~ / 50 Hz 09S029/G 230V~ / 60 Hz THESE DRAWINGS AND SPECIFICATIONS ARE THE SOLE PROPERTY OF HELMER INC. AND SHALL NOT BE REPRODUCED OR USED AS THE BASIS FOR MANUFACTURE OR SALES OF APPARATUS WITHOUT THE APPROVAL OF HELMER INC. 360379/D...

  • Page 64: 15.3 Defrost Timer For Hpr Model; 225 And 456 Configuration

    Contact Helmer Technical Service at techservice@helmerinc.com for details. Unit Cooler THESE DRAWINGS AND SPECIFICATIONS ARE THE SOLE PROPERTY OF HELMER INC. AND SHALL NOT BE REPRODUCED OR USED AS THE BASIS FOR MANUFACTURE OR SALES OF APPARATUS WITHOUT THE APPROVAL OF HELMER INC.

  • Page 65: Compliance

    For more information on the return, recovery, or recycling of this product, contact your local distributor. 16.3 EMC Compliance Helmer Scientific Refrigerators meet the applicable requirements of IEC61326 and EN55011 and are intended for use in the electromagnetic environment specified in 8.1 Operatiing Standards. The customer or the user of these devices should assure they are used in such environment.

  • Page 66: Appendix A: Warranty

    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.
  • Page 67 Helmer Scientific 14400 Bergen Boulevard, Noblesville, IN 46060 USA 360379/D Copyright © 2019 Helmer, Inc.

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