Helmer Scientific i.Series Service And Maintenance Manual

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Service and maintenance manual (70 pages)

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Pharmacy

i.Series

iPR226-GX

iPR458-GX

Horizon Series

HPR226-GX

HPR458-GX

Blood Bank

i.Series

iBR226-GX

iBR458-GX

Horizon Series

HBR226-GX

HBR458-GX

360379/A/C

Refrigerator Service and Maintenance Manual

i.Series

and Horizon Series™ - Pass-Thru

360429/A

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Page 1 Refrigerator Service and Maintenance Manual ® i.Series and Horizon Series™ - Pass-Thru Pharmacy i.Series iPR226-GX iPR458-GX Horizon Series HPR226-GX HPR458-GX Blood Bank i.Series iBR226-GX iBR458-GX Horizon Series HBR226-GX HBR458-GX 360429/A 360379/A/C...
Page 2 Helmer Scientific. Helmer Scientific assumes no responsibility or liability for any errors or inaccuracies that may appear in the informational content contained in this material. For the purpose of clarity, Helmer Scientific considers only the most recent revision of this document to be valid.
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 Audience .
Page 4 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Horizon Series™ Information ..............39 Installation and Configuration .
Page 5: About This Manual
Models are indicated by a distinguishing model number that corresponds to the series, type, number of doors, and capacity of the refrigerator. For example, “iBR226-GX” refers to an i.Series Blood Bank refrigerator with two doors total (one door on the clean room side of the unit, and one door on the control side of the unit) and an approximate capacity of 26 cu ft.
Page 6: Avoiding Injury
Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Safety Precautions Avoiding Injury • Do not use mechanical devices or other means to accelerate the defrosting process, other than those recommended by the manufacturer.
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: I.series ® Information
Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ ® i.Series Information Installation and Configuration Location Requirements Keep all ventilation openings in the enclosure or, in the structure for building-in, clear of obstruction. ♦ Has grounded outlet meeting the electrical requirements listed on the product specification label. ♦ Is clear of direct sunlight, high temperature sources, and heating and air conditioning vents.
Page 9: Connect Backup Power
Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Connect Backup Power The monitoring system and chart recorder each have a backup battery system enabling a period of continuous operation if power is lost.
Page 10 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Primary monitor probe Primary monitor probe Secondary monitor probe Solid Ballast (optional) (226 models) (458 models) Fill Probe Bottle (if included) 1. Remove all probes from bottle and remove bottle from bracket.
Page 11 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Install / Replace Chart Paper Note • For accurate temperature reading, ensure the current time is aligned with the time line groove when the chart knob is fully tightened.
Page 12: Configure Storage
Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ 2.5 Configure Storage NOTICE • Ensure drawers or shelves are completely empty before moving. • Maximum drawer or shelf load is 100 lbs (46 kg). Note Before moving storage components, protect stored items in refrigerator from extended exposure to adverse temperature.
Page 13 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Shelves Remove Shelf 1. With one hand, lift front edge of shelf from front brackets. 2. With other hand, reach under shelf and bump rear edge of shelf upward to disengage rear brackets.
Page 14: Controls
Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Controls i.Series models are equipped with the i.C monitoring and control system. The i.C system combines temperature control and monitoring into a single user interface. Note Please refer to the i.C User Guide for complete information regarding the i.C...
Page 15: Settings
Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Settings > Through the i.C³ monitoring and control system, current settings may be viewed and changed. To view settings, touch i.C³ APPS, Settings. Use a touch-drag motion to scroll up or down to select the desired setting.
Page 16 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Temperature Setpoint The setpoint is the temperature at which the refrigerator operates. The factory default setting for the primary monitor probe is 4.0 °C for iBR models and 5.0 °C for iPR models.
Page 17 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 18 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 Low Battery Rechargeable battery voltage is low Drive Space Low • Triggered if SD card containing downloadable historical date is approaching capacity •...
Page 19: Sensor Calibration
Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Sensor Calibration > Sensor calibration values are programmed at the factory. Calibration values can be viewed and changed through the i.C³ monitoring and control system. To view calibration settings, touch i.C³ APPS, Settings, and select Sensor Calibration.
Page 20 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Primary Monitor and Secondary Probes Verify primary monitor probe is reading chamber temperature correctly by comparing probe readings to the temperature measured by a calibrated reference thermometer. If the probe is not reading correctly, change the value displayed on the monitor.
Page 21 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ (probe bottle installed) (solid ballast installed) Calibrate Secondary Monitor Probe Calibrate Secondary Monitor Probe Remove Secondary Monitor Probe from probe bottle. Ensure Secondary Monitor Probe is securely installed in ballast.
Page 22 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Enter the New Offset Value: 1. Touch Home, i.C³ APPS, Settings. 2. Enter Settings password (default password is “1234”). 3. Touch Sensor Calibration. 4. Touch minus (-) or plus (+) on Control Probe Offset spin box.
Page 23 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 shipped.
Page 24: Maintenance
• Before performing maintenance, protect items in refrigerator from extended exposure to adverse temperature. • Allow refrigerator temperature to stabilize at setpoint after performing service or after extended door opening. Table 7. i.Series Preventive Maintenance Schedule Frequency Task...
Page 25: 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.
Page 26 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Manual Chamber Alarm Test NOTICE • Perform the low alarm test before the high alarm test to control the temperature more closely and complete testing more quickly.
Page 27: Test And Replace Backup Batteries
Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Test and Replace Backup Batteries Monitoring System Backup 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 28: Display Board Battery
Helmer may occasionally issue updates for the i.C³ firmware. Follow upgrade instructions included with the firmware update. Re-apply Silver Conductive Grease to Upper Door Hinge NOTICE • Conductive grease reapplication is only necessary on the upper door hinge of i.Series models, and only for the door that has the i.C display. • Use only conductive grease.
Page 29: Clean Refrigerator
Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Clean Refrigerator Note How to Properly Clean Your Helmer Scientific Refrigerator Additional information can be found on Helmer website at or by scanning the QR code below. Cabinet Exterior Clean glass surfaces with soft cotton cloth and glass cleaner. Clean exterior surfaces with soft cotton cloth and non-abrasive liquid cleaner.
Page 30: Service
Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Service Refrigerant Risk of fire or explosion. Flammable refrigerant used. To be repaired only by trained service personnel. DO NOT puncture refrigerant tubing. NOTICE • Review all safety instructions prior to recharging refrigerant. • Maintenance should only be performed by trained refrigeration technicians.
Page 31 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Remove Unit Cooler Cover 1. Switch AC power switch OFF. Switch backup battery switch OFF. 2. Remove top drawer or shelf from chamber. 3. Cut wire tie securing drain hose to unit cooler drain port and remove by pulling drain hose downward while gently twisting to disconnect from drain port.
Page 32: Troubleshooting
Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Troubleshooting NOTICE Review all safety instructions prior to troubleshooting. Access System Problems Problem Possible Cause Action i.Lock Interlock option not Key switch is turned OFF.
Page 33: Alarm Activation Problems
Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Alarm Activation Problems Problem Possible Cause Action A Battery alarm is active. The battery switch is in the Turn the switch to on “-” position.
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 ® ™ NOTICE Disconnect refrigerator from power when replacing LED light assembly. Letter Description Model Part Number Letter Description Part Number Unit cooler assembly 801103-1 LED light assembly 402394-1-069 226 quantity = 1;...
Page 36 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ NOTICE 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
Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Schematics 8.1 iBR and iPR Models; 226 and 458 Configurations MAIN POWER 115V~ (±10%) 60 Hz 230V~ (±10%) 50 Hz 230V~ (±10%) 60 Hz POWER CORD UNIT COOLER L2 IN L1 IN...
Page 38 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ (iL) Bezel Mount Components Reset Speaker (iM) USB Host i.C3 Display PCBA SD Memory Card i.C3 LCD w/ Touch Screen LCD Back Light USB Port...
Page 39: Ipr Models; 226 And 458 Configurations With I.lock™ Interlock
Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ 8.2 iPR Models; 226 and 458 Configurations with i.Lock™ Interlock N/L2 Battery BYPASS MAG-3 MAG-1 (iD) i.C3 Power PCBA MAG #3 MAG #1 DBL DR ONLY (AXb) (AXb) Magnetic Lock Magnetic Lock...
Page 40: Horizon Series™ Information
Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Horizon Series™ Information Installation and Configuration Location Requirements Keep all ventilation openings in the enclosure or, in the structure for building-in, clear of obstruction. ♦ Has grounded outlet meeting the electrical requirements listed on the product specification label. ♦ Is clear of direct sunlight, high temperature sources, and heating and air conditioning vents.
Page 41: Connect Backup Power
Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Connect Backup Power The monitoring system has a backup 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, backup 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 ® ™ Fill Probe Bottle (if included) 1. Remove all probes from bottle and remove bottle from bracket. 2. Remove cap and fill with 4 oz. (120 mL) of product simulation solution. 3. Install cap and place bottle in bracket.
Page 43 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Install / Replace Chart Paper Notes • For accurate temperature reading, ensure the current time is aligned with the time line groove when chart knob is tightened.
Page 44: Configure Storage
Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ 9.5 Configure Storage NOTICE • Ensure drawers or shelves are completely empty before moving. • Maximum drawer or shelf load is 100 lbs (46 kg). Note Before moving storage components, protect stored items in refrigerator from extended exposure to adverse temperature.
Page 45 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Move shelf brackets 1. Using a #2 Phillips screwdriver, remove bracket retainers. 2. Tap brackets upward to disengage standards. 3. Remove brackets from standards. 4. Insert brackets into standard at appropriate height.
Page 46: Controls
Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Controls Horizon Series models are equipped with a monitor and optional control system which allows users to view and change current settings. 10.1 Monitor and Control Interface...
Page 47 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Display Minimum and Maximum Monitor Temperature Recordings The minimum and maximum recording feature allows the user to view a minimum temperature occurrence and a maximum temperature occurrence within a given period of time.
Page 48: Alarm Reference
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 49 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ View settings and offset values 1. Press and hold Up and Down Arrows simultaneously for 3 seconds to enter program mode. 2. LED Display will show .C or .F to indicate Celsius or Fahrenheit.
Page 50 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Primary Monitor Probe Verify the primary monitor probe is reading chamber temperature correctly by comparing primary monitor probe readings to the temperature measured by a calibrated reference thermometer. If the primary monitor probe is not reading correctly, change the monitor offset value displayed.
Page 51 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Control Sensor The temperature controller senses unit cooler temperature through the control probe in the unit cooler. The unit cooler temperature typically varies from the chamber temperature, so an offset value is used by the control system to compensate for the difference. The temperature controller adjusts chamber temperature around the refrigerator setpoint.
Page 52: Maintenance
Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Maintenance Maintenance tasks should be completed according to the schedule below. NOTICE • Review all safety instructions prior to recharging refrigerant. • Maintenance should only be performed by trained refrigeration technicians.
Page 53: Alarm Tests
Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ 11.1 Alarm Tests Alarms should be tested to ensure they are working correctly. The refrigerator has alarms for chamber temperature, power failure, and door open (time).
Page 54: Test And Replace Backup Batteries
Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ 11.2 Test and Replace Backup 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 55 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Condenser Grill NOTICE Disconnect refrigerator from AC power when cleaning condenser grill. If the refrigerator is located in an environment where it is exposed to excessive lint or dust, the condenser grill may require cleaning more frequently than stated in preventive maintenance schedule.
Page 56: Service
Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Service 12.1 Refrigerant Risk of fire or explosion. Flammable refrigerant used. To be repaired only by trained service personnel. DO NOT puncture refrigerant tubing. NOTICE • Review all safety instructions prior to recharging refrigerant. • Maintenance should only be performed by trained refrigeration technicians.
Page 57: Remove / Replace Unit Cooler Cover
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 servicing the control probe, fan motor(s) or coil. NOTICE 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 refrigerator’s inability to maintain temperature.
Page 58: Troubleshooting
Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Troubleshooting NOTICE Review all safety instructions prior to troubleshooting. 13.1 Access System Problems Problem Possible Cause Action Door does not lock Lock mechanism is damaged.
Page 59: Condensation Problems
Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Problem Possible Cause Action Alarm is active, but not audible. Key switch is in the OFF Turn key switch to ON position. position Battery alarm is active.
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 ® ™ NOTICE Disconnect refrigerator from power when removing and replacing LED light assembly. Letter Description Model Part Number Letter Description Part Number Unit cooler assembly 801103-1...
Page 62 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ NOTICE • 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
Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Schematics 15.1 HBR and HPR Models 360429/A...
Page 64 Helmer Scientific i.Series and Horizon Series Refrigerator - Pass-Thru Service and Maintenance Manual ® ™ Double Door Only L1-4 Lighting Power Supply L2-4 INTERIOR LIGHT(S) +VDC -VDC (HD) (HJ) L1-2 N/L2 LIGHT SWITCH DC POWER L2-2 SUPPLY HIGH TEMP °C...
Page 65: Appendix A: Warranty
For the warranty period listed below, Helmer will supply the refrigeration compressor, if it is determined to be defective, at no charge, including freight. Helmer will not be liable for installation, refrigerant, or miscellaneous charges required to install the compressor beyond the first year of the warranty period. ♦ i.Series model compressor warranty period is seven (7) years. ♦ Horizon Series model compressor warranty period is five (5) years. Parts For a period of two (2) years, Helmer will supply at no charge, including freight, any part that fails due to defects in material or workmanship under normal use, with the exception of expendable items. Expendable items such as glass, filters, light bulbs,...

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Helmer Scientific i.Series Service And Maintenance Manual

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