Helmer Scientific Horizon Series Maintenance Manual

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Service manual (99 pages)

Service and maintenance manual (76 pages)

Operation manual (30 pages)

Table Of Contents

Table of Contents

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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

iBR113-GX, iBR120-GX, iBR125-GX,

iBR245-GX, iBR256-GX

Horizon Series

HBR113-GX, HBR120-GX, HBR125-GX,

HBR245-GX, HBR256-GX

360127-D/E

Refrigerator Service and Maintenance Manual

i.Series

and Horizon Series™ - Upright

360400/C

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Summary of Contents for Helmer Scientific Horizon Series

Page 1 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...
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 - Upright Service and Maintenance Manual ® ™ Contents About This Manual ................. . . 4 Intended Audience .
Page 4 Horizon Series Information ........
Page 5: About This Manual
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.
Page 6: Avoiding Injury
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...
Page 7: Model And Input Power
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...
Page 8: I.series Information
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.
Page 9: Prepare For Monitoring
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.
Page 10 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.
Page 11 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.
Page 12: Configure Storage
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).
Page 13: Optional Adapter Kits For Medication Dispensing Locks
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.
Page 14: Controls
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.
Page 15: Settings
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.
Page 16 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.
Page 17 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.
Page 18 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 •...
Page 19: Sensor Calibration
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.
Page 20 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.
Page 21 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.
Page 22 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.
Page 23 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.
Page 24: Maintenance
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.
Page 25: Alarm Tests
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).
Page 26 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.
Page 27: Test And Replace Backup Batteries
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.
Page 28: Check Probe Bottle (If Installed)
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.
Page 29: Clean 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.
Page 30: Service
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.
Page 31 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.
Page 32: Troubleshooting
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.
Page 33: Alarm Activation Problems
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.
Page 34: I.series Parts
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.
Page 35 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...
Page 36 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.
Page 37: Schematics
Helmer Scientific i.Series and Horizon Series Refrigerator - Upright Service and Maintenance Manual ® ™ Schematics iBR, iPR and iLR Models 360400/C...
Page 38 Helmer Scientific i.Series and Horizon Series Refrigerator - Upright Service and Maintenance Manual ® ™ 360400/C...
Page 39: Horizon Series Information
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.
Page 40: Prepare For Monitoring
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.
Page 41 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.
Page 42 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.
Page 43: Configure Storage
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).
Page 44: Optional Adapter Kits For Medication Dispensing Locks
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.
Page 45: Controls
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.
Page 46 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.
Page 47: Alarm Reference
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.
Page 48: Settings
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.
Page 49 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.
Page 50 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.
Page 51 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.
Page 52: 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 11. Horizon Series Preventive Maintenance Schedule Frequency Task...
Page 53: Alarm Tests
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).
Page 54: Test And Replace Backup Batteries
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.
Page 55: Check Probe Bottle (If Installed)
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.
Page 56: Service
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.
Page 57: Troubleshooting
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.
Page 58: Alarm Activation Problems
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.
Page 59: Horizon Series Parts
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.
Page 60 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...
Page 61 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.
Page 62: Schematics
Helmer Scientific i.Series and Horizon Series Refrigerator - Upright Service and Maintenance Manual ® ™ Schematics 15.1 HBR, HLR and HPR Mode 360400/C...
Page 63: Hbr, Hlr And Hpr Models (Without Access Control)
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...
Page 64: Hbr, Hlr And Hpr Models (With Access Control)
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...
Page 65: Appendix A: Warranty
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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