Summary of Contents for Helmer Scientific Horizon Series
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Refrigerator Service and Maintenance Manual ® i.Series and Horizon Series™ - Upright Laboratory i.Series iLR113-GX, iLR120-GX, iLR125-GX, iLR245-GX, iLR256-GX Horizon Series HLR113-GX, HLR120-GX, HLR125-GX, HLR245-GX, HLR256-GX Pharmacy i.Series iPR113-GX, iPR120-GX, iPR125-GX, iPR245-GX, iPR256-GX Horizon Series HPR113-GX, HPR120-GX, HPR125-GX, HPR245-GX, HPR256-GX Blood Bank i.Series...
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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.
Helmer Scientific i.Series and Horizon Series Refrigerator - Upright Service and Maintenance Manual ® ™ Contents About This Manual ................. . . 4 Intended Audience .
Helmer Scientific i.Series and Horizon Series Refrigerator - Upright Service and Maintenance Manual ® ™ About This Manual Intended Audience ® ™ This manual provides information on how to use i.Series and Horizon Series upright laboratory, blood bank, and pharmacy refrigerators.
Helmer Scientific i.Series and Horizon Series Refrigerator - Upright Service and Maintenance Manual ® ™ Symbols found on the unit The following symbols may be found on the refrigerator or refrigerator packaging: Warning: Crushing of hands / fingers Caution: Risk of damage to equipment or...
Helmer Scientific i.Series and Horizon Series Refrigerator - Upright 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...
Helmer Scientific i.Series and Horizon Series Refrigerator - Upright 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 a 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.
Helmer Scientific i.Series and Horizon Series Refrigerator - Upright Service and Maintenance Manual ® ™ Prepare for Monitoring The backup battery switch is switched OFF for shipping. Switch the backup battery switch ON to provide the monitoring system and optional Access Control system with backup power in the event of an AC power failure.
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Helmer Scientific i.Series and Horizon Series Refrigerator - Upright Service and Maintenance Manual ® ™ Chart Recorder (if included) Note • For complete information, refer to the Temperature Chart Recorder Operation and Service Manual. • If the chart recorder has been operating on battery power, the battery should be replaced to ensure the backup source has proper charge.
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Helmer Scientific i.Series and Horizon Series Refrigerator - Upright 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.
Helmer Scientific i.Series and Horizon Series Refrigerator - Upright Service and Maintenance Manual ® ™ 2.5 Configure Storage NOTICE • Before moving drawers or shelves, ensure they are completely empty for safe lifting. • Maximum drawer or shelf load is 100 lbs (46 kg).
Helmer Scientific i.Series and Horizon Series Refrigerator - Upright 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.
Helmer Scientific i.Series and Horizon Series Refrigerator - Upright 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.
Helmer Scientific i.Series and Horizon Series Refrigerator - Upright 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.
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Helmer Scientific i.Series and Horizon Series Refrigerator - Upright 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 iLR and iBR models, or 5.0 °C for iPR models.
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Helmer Scientific i.Series and Horizon Series Refrigerator - Upright 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.
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Helmer Scientific i.Series and Horizon Series Refrigerator - Upright 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 Monitoring system rechargeable battery voltage is low Drive Space Low • Triggered if SD card containing downloadable historical date is approaching capacity •...
Helmer Scientific i.Series and Horizon Series Refrigerator - Upright 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.
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Helmer Scientific i.Series and Horizon Series Refrigerator - Upright Service and Maintenance Manual ® ™ Primary and Secondary Monitor Probes Verify primary monitor probe is reading chamber temperature correctly by comparing the probe reading to the temperature measured by a calibrated reference thermometer. If the probe is not reading correctly, change the value displayed on the monitor.
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Helmer Scientific i.Series and Horizon Series Refrigerator - Upright Service and Maintenance Manual ® ™ Calibrate Secondary Monitor Probe Calibrate Secondary Monitor Probe (probe bottle installed) (solid ballast installed) Remove Secondary Monitor Probe from probe bottle. Ensure Secondary Monitor Probe is securely installed in ballast.
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Helmer Scientific i.Series and Horizon Series Refrigerator - Upright Service and Maintenance Manual ® ™ Enter New Offset Value: 1. Touch 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.
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Helmer Scientific i.Series and Horizon Series Refrigerator - Upright 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.
Helmer Scientific i.Series and Horizon Series Refrigerator - Upright Service and Maintenance Manual ® ™ Maintenance Maintenance tasks should be completed according to the schedule below. Refer to the i.C³ User Guide for more detail on completing various tasks. NOTICE Maintenance should only be performed by trained refrigeration technicians.
Helmer Scientific i.Series and Horizon Series Refrigerator - Upright Service and Maintenance Manual ® ™ Alarm Tests Test alarms to ensure they are working correctly. The refrigerator has alarms for chamber temperature, compressor temperature, power failure, probe failure, and door open (time).
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Helmer Scientific i.Series and Horizon Series Refrigerator - Upright 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 the testing more quickly.
Helmer Scientific i.Series and Horizon Series Refrigerator - Upright 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.
Helmer Scientific i.Series and Horizon Series Refrigerator - Upright Service and Maintenance Manual ® ™ Check Probe Bottle (if installed) Remove the probe bottle from the bracket and inspect for cracks. Replace the bottle if necessary. Ensure the probe bottle has approximately 4 oz. (120 mL) of product simulation solution (10:1 ratio of water to glycerin). The glycerin is used to create a solution which simulates the product stored in the refrigerator.
Helmer Scientific i.Series and Horizon Series Refrigerator - Upright Service and Maintenance Manual ® ™ Clean the Refrigerator Cabinet Exterior Clean glass surfaces with soft cotton cloth and glass cleaner. Clean exterior surfaces with soft cotton cloth and non-abrasive liquid cleaner.
Helmer Scientific i.Series and Horizon Series Refrigerator - Upright 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 familiar with hydrocarbon refrigerants.
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Helmer Scientific i.Series and Horizon Series Refrigerator - Upright Service and Maintenance Manual ® ™ Install Unit Cooler Cover 1. Verify unit cooler wiring is connected and routed correctly. 2. Lift unit cooler cover into place. Front edge of cover should be behind unit cooler case.
Helmer Scientific i.Series and Horizon Series Refrigerator - Upright Service and Maintenance Manual ® ™ Troubleshooting NOTICE Review all safety instructions prior to troubleshooting. Refer to Section 1. Access System Problems Problem Possible Cause Action Door does not lock Lock mechanism is Inspect lock/latch, Replace if necessary.
Helmer Scientific i.Series and Horizon Series Refrigerator - Upright 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.
Helmer Scientific i.Series and Horizon Series Refrigerator - Upright 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.
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Helmer Scientific i.Series and Horizon Series Refrigerator - Upright Service and Maintenance Manual ® ™ NOTICE Disconnect unit from AC power when replacing LED lamps. Letter Description Model Part Number Letter Description Model Part Number Door Lock 220540 Lower Hinge Assembly...
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Helmer Scientific i.Series and Horizon Series Refrigerator - Upright Service and Maintenance Manual ® ™ Risk of fire or explosion. Flammable refrigerant used. To be repaired only by trained service personnel. DO NOT puncture refrigerant tubing. NOTICE Disconnect unit from AC power before accessing the electrical panel. Note Circuit boards are sensitive to static electricity and can be damaged by electrostatic discharge. User proper ESD precautions when handling board.
Helmer Scientific i.Series and Horizon Series Refrigerator - Upright 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 a 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.
Helmer Scientific i.Series and Horizon Series Refrigerator - Upright Service and Maintenance Manual ® ™ Prepare for Monitoring Monitoring system backup battery is included in the accessories box, or installed on the unit but not connected. Install and connect the battery and switch the audible alarm key switch to ON to provide monitoring system with backup power and alarm capability in the event of AC power failure.
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Helmer Scientific i.Series and Horizon Series Refrigerator - Upright Service and Maintenance Manual ® ™ Set up and Operation Access chart recorder by pulling the door open. Install Battery Connect leads to battery to provide backup power to chart recorder.
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Helmer Scientific i.Series and Horizon Series Refrigerator - Upright 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.
Helmer Scientific i.Series and Horizon Series Refrigerator - Upright Service and Maintenance Manual ® ™ 9.5 Configure Storage NOTICE • Before moving drawers or shelves, ensure they are completely empty for safe lifting. • Maximum drawer or shelf load is 100 lbs (46 kg).
Helmer Scientific i.Series and Horizon Series Refrigerator - Upright Service and Maintenance Manual ® ™ Shelves Remove a 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.
Refrigerator - Upright 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 A B C F G H Table 9.
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Helmer Scientific i.Series and Horizon Series Refrigerator - Upright 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.
Helmer Scientific i.Series and Horizon Series Refrigerator - Upright 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.
Helmer Scientific i.Series and Horizon Series Refrigerator - Upright Service and Maintenance Manual ® ™ 10.3 Settings Temperature Setpoint The default setpoint for the refrigerator is 4.0 °C for HBR and HLR models, and 5.0 °C for HPR models. This can be changed if your organization requires a chamber temperature other than the default setting.
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Helmer Scientific i.Series and Horizon Series Refrigerator - Upright Service and Maintenance Manual ® ™ Alarm Settings The high and low temperature alarm settings may be changed by the operator. Temperature alarm setpoints specify the temperature at which an alarm activates. The setpoint for temperature alarms may be changed.
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Helmer Scientific i.Series and Horizon Series Refrigerator - Upright Service and Maintenance Manual ® ™ Enter the New Offset Value: 1. Press and hold Up and Down Arrows simultaneously for 3 seconds to enter program mode. 2. Display will show .C or .F to indicate Celsius or Fahrenheit.
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Helmer Scientific i.Series and Horizon Series Refrigerator - Upright Service and Maintenance Manual ® ™ Upper Rail The Upper Rail Limit is the maximum control temperature at which the compressor will turn on. Lower Rail The Lower Rail Limit is the minimum control temperature at which the compressor will turn off. NOTICE The Upper Rail and Lower Rail values are factory-preset and should not be changed unless directed by Helmer Technical Service.
• 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 11. Horizon Series Preventive Maintenance Schedule Frequency Task...
Helmer Scientific i.Series and Horizon Series Refrigerator - Upright 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).
Helmer Scientific i.Series and Horizon Series Refrigerator - Upright 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 battery if the test fails or if the battery has been in use for one year.
Helmer Scientific i.Series and Horizon Series Refrigerator - Upright Service and Maintenance Manual ® ™ 11.3 Check Probe Bottle (if installed) Remove the probe bottle from the bracket and inspect for cracks. Replace the bottle if necessary. Ensure the probe bottle has approximately 4 oz. (120 mL) of product simulation solution (10:1 ratio of water to glycerin). The glycerin is mixed with water to create a solution which simulates the product stored in the refrigerator.
Helmer Scientific i.Series and Horizon Series Refrigerator - Upright 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 familiar with hydrocarbon refrigerants.
Helmer Scientific i.Series and Horizon Series Refrigerator - Upright Service and Maintenance Manual ® ™ Troubleshooting NOTICE Review all safety instructions prior to troubleshooting. Refer to Section 1. 13.1 Access System Problems Problem Possible Cause Action Door does not lock Lock mechanism is Inspect lock/latch, Replace if necessary.
Helmer Scientific i.Series and Horizon Series Refrigerator - Upright Service and Maintenance Manual ® ™ 13.3 Alarm Activation Problems Problem Possible Cause Action Probe failure alarm is active Faulty probe or wiring Check corresponding probe connection. (ER01 monitor or ER02 control) connection.
Helmer Scientific i.Series and Horizon Series Refrigerator - Upright 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.
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Helmer Scientific i.Series and Horizon Series Refrigerator - Upright Service and Maintenance Manual ® ™ NOTICE Disconnect unit from AC power when removing and replacing LED lamps. Letter Description Model Part Number Letter Description Model Part Number Door Lock 220540...
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Helmer Scientific i.Series and Horizon Series Refrigerator - Upright Service and Maintenance Manual ® ™ Risk of fire or explosion. Flammable refrigerant used. To be repaired only by trained service personnel. DO NOT puncture refrigerant tubing. NOTICE • Disconnect unit 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 the board.
Helmer Scientific i.Series and Horizon Series Refrigerator - Upright Service and Maintenance Manual ® ™ Schematics 15.1 HBR, HLR and HPR Mode 360400/C...
Helmer Scientific i.Series and Horizon Series Refrigerator - Upright Service and Maintenance Manual ® ™ 15.2 HBR, HLR and HPR Models (without Access Control) 360400/C...
Helmer Scientific i.Series and Horizon Series Refrigerator - Upright Service and Maintenance Manual ® ™ 15.3 HBR, HLR and HPR Models (with Access Control) 360400/C...
Helmer Scientific i.Series and Horizon Series Refrigerator - Upright Service and Maintenance Manual ® ™ Appendix A: 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.
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