Helmer i.series Service Manual
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Helmer i.series, iii 360127-1/A 15 Maintenance .................................................72 15.1 Rechargingrefrigerant.............................................................72 15.2 Checkingthemonitoringsystembackupbattery.........................................73 15.3 ReplacingLEDlamps .............................................................73 15.4 Cleaningtherefrigerator ...........................................................74 15.5 Removingandi
Helmer i.series, 87 360127-1/A 17.2 Top ABC Topfeatures. Label Description Replacement part numbers Label on schematic A Condenser fan motor 120 V 111 model: 120451 120 and 125 models: 120467 245 models: 120469 230 V 111 model: 120561 120 models: 120471 245 models: 120473 K B Compressor 120 V 111 model: 800005-1 120 and 125 models: 400670-1 245 models: 400671-1 230 V / 50 Hz 111 model: 800005-2 120 and 125 models: 400
Helmer i.series, 46 360127-1/A 8.4.4 Door and hinge parts C D E F G A B Doorandhingefeatures(iLR120modelshown). Label Description Replacement part numbers Label on schematic A Door lock 220540 - B Door handle pad 320684-1 - C Upper hinge assembly (includes hinge bearing, hinge pin, and upper hinge bracket) Left hinge: 400960-2 Right hinge: 400960-1 - D Door gasket 111 model: 321082-1 120, 125, 245, and 456 models: 320726-1 - E Lower hinge cam 320742-1 - F Door stop 320763-1 - G Lower hinge bracket Right hinge: 400377-1 Left hinge: 400377-2 - Refrigerator Service Manual
Helmer i.series, 56 360127-1/A 10.3.1 Testing temperature alarms automatically NOTE The automatic test can be aborted at any time by touching the Cancel Test button. When performing an automatic low alarm test, the Peltier device cools the probe until the low alarm setpoint is reached. An event is added to the Event Log indicating the low temperature alarm was initiated. The Alarm Test icon is displayed on the Temperature Graph, indicating the change in temperature was test- induced. When completed, the message “Test Complete” appears at the right side of the screen. T
Helmer i.series, 60 360127-1/A 11 Warranty 11.1 Rel.i™ Product Warranty USA and Canada For technical service needs, please contact Helmer at 800-743-5637 or www.helmerinc.com. Be sure to have the model and serial number available. 11.1.1 Rapid resolution When a warranty issue arises it is our desire to respond quickly and appropriately. The service department at Helmer is there for you. Helmer will oversee the handling of your warranty service from start to nish. Therefore, Helmer must give advance authorization for all service calls and/o
98 360127-1/A Label Description Function J SET lamp Indicates a control or alarm setpoint is being changed K SET button Accesses Conguration mode L CONTROL lamp Indicates when the display is showing the refrigerator setpoint M MONITOR lamp Indicates when the display is showing temperature readings from the monitor probe. Also indicates when alarm setpoints are being chang
Helmer i.series, 18 360127-1/A 5.1 Temperature setpoint settings NOTE When there is no interaction for two minutes, the Temperature Setpoint screen closes and returns to the home screen. ! CAUTION The hysteresis setpoint is factory-preset and should not be changed unless directed by Helmer Technical Service. 1 Touch i.C³ APPS, i.C³ Settings. Enter the Settings password then touch Temperature Setpoints. 2 Touch plus (+) or minus (-) on the Temperature Setpoint spin box . ► The setpoint is the temperature at
Helmer i.series, 101 360127-1/A 19.3.3 Calibrating the evaporator probe To ensure the refrigerator maintains the correct temperature, the evaporator temperature probe has been calibrated at the factory. Changing the calibration setting for the evaporator probe is not typically necessary, and should not be performed unless directed to do so by Helmer Technical Service. 19.4 Testing alarms Test the alarms to ensure they are working correctly. 19.4.1 Testing chamber temperature alarms The refrigerator has alarms that indicate if the chamber temperature becomes too high or too low. Test these alarms by placing the temperature probe in chilled or warm water and noting the temperature at wh
Helmer i.series, 33 360127-1/A Problem Possible Cause Action All alarms are activating sporadically. The alarm system is faulty. ► Conrm the monitor/controller board and line connections are functioning correctly. Replace the board if necessary. The temperature monitor/controller board is faulty. ► Conrm the temperature monitor/controller board is operating correctly. Replace the board if necessary. A component is faulty or internal connections are loose. ► Contact Helmer Technical Service. The condenser alarm is active. The refrigerant level is too low. ►
Helmer i.series, 70 360127-1/A 13.6 Door characteristics Some service information varies with respect to door characteristics. Depending on model, a refrigerator may have one or two doors, and pads may be installed on the door handles. Options include solid, glass, and heated glass doors. Single-door models may have hinges on the right or left side. The monitoring and control system interface is located above the door. Model group Door handle pads Blood Bank (HB) Laboratory (HLR) Pharmacy (HLR) Pads not available Model group Door type Blood Bank (HB) Laboratory (HLR) Pharmacy (HPR) Glass or heated glass or solid Numbe
42 360127-1/A 8.4 Interior FGH I A B C D E Interiorfeatures(iPR245modelshown). Label Description Replacement part numbers Label on schematic A Chart recorder probe 800024-1 CB B Upper chamber probe 800038-1 IK C Probe bottle and glycerin kit 400922-1 - D Lower cham
Helmer i.series, 40 360127-1/A 8.3 Rear A B C D E F G H I J Rearfeatures(iB111modelshown). Label Description Replacement part numbers Label on schematic A Electrical box See subsequent section(s) for part numbers. - B Power cable North American models 120 V: 120630 230 V: 120631 European models 230 V: 120156 A C Condensate evaporator kit (includes condensate evaporator, tray, and cover) 115 V 111 model: 400791-1 120, 125, 245, 256 models: 400790-1 230 V 111 model: 400791-2 120, 125, 245, 256 models: 400790-2 G D Remote alarm contacts - - E RJ-45 Ethernet port 800
Helmer i.series, 12 360127-1/A 4.2 Refrigeratorsetpointconguration The temperature controller adjusts chamber temperature around the refrigerator setpoint. The controller activates the compressor when the chamber probe registers temperature above the setpoint. The controller also senses unit cooler temperature through a probe in the cooler. The temperature in the unit cooler typically varies from the temperature in the chamber, so an offset value is used in the control system. The unit cooler temperature combined with the offset value establishes the refrigerator setpoint. NOTE The probes in the bottles are connected to the monitoring system and sense
Helmer i.series, 52 360127-1/A 10 Settings NOTE Information regarding descriptions and default values for general settings, alarm settings, and display settings is available in the i.C³ User Guide. 10.1 Navigating the Home screen The Home screen displays current information and is the starting screen for all interaction with the monitoring system. 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 those used to enter a password A B C Homescreenonthemonitoring
Helmer i.series, 43 360127-1/A 8.4.1 Light parts ! CAUTION Disconnect refrigerator from power when removing and replacing LED lamps. A Lightfeatures. Label Description Replacement part numbers Label on schematic A LED lamp 800049-1 P i.Series™ Models: Parts
35 360127-1/A 7.5 Troubleshooting condensation problems Problem Possible Cause Action There is excessive water in the water evaporation tray. The heater in the evaporation tray is faulty. ► Conrm the heater is hot and is drawing the appropriate current. ► For 115 V refrigerators, the current should be approximately 0.43 A to 0.55 A ► For 230 V refrigerators,
Helmer i.series, 23 360127-1/A 6.4 Cleaning the refrigerator Condenser grill ! CAUTION ► Disconnect power to the refrigerator to eliminate the potential of electric shock and injury from surrounding components. ► Cleaning the condenser grill requires power disconnection. Protect items in the refrigerator from extended exposure to adverse temperatures. The condenser grill is the nned surface at the rear of the unit. It must be kept clean for proper operation. Not cleaning condenser grill regularly signicantly reduces refrigerator life expectancy.
Helmer i.series, 17 360127-1/A 5 Temperature Controller Programs Left:TemperatureControllerProgramsscreen.Right:TemperatureCalibrationscreen. Settings The i.C³ temperature monitor and controller is programmed at the factory with the settings that are listed in this chapter. To change the value for a setting, rst enter the Settings mode for that setting. The method for accessing the Settings mode for each setting varies. NOTE The Settings screen may be password protected. A valid four-digit password must be entered to view settings. If viewing settings for the rst time, enter the factory default password of “1234�
Helmer i.series, 88 360127-1/A 17.3 Rear A B C D E F G Rearfeatures(HB111modelshown). Label Description Replacement part numbers Label on schematic A Electrical box See subsequent section(s) for part numbers. - B Power cable North American models 120 V: 120630 230 V: 120631 European models 230 V: 120156 A C Condensate evaporator kit (includes condensate evaporator, tray, and cover) 115 V 111 model: 400791-1 120, 125, 245, 256 models: 400790-1 230 V 111 model: 400791-2 120, 125, 245, 256 models: 400790-2 G D Remote alarm contacts - - E RS-232 seri
6 360127-1/A Refrigerator Service Manual 3.2.2 Horizon Series control system Horizon Series refrigerators feature the Horizon combined monitor and temperature controller. The Horizon Series system controls chamber temperature and monitors and displays operational information. The user interface for this system is located over the refrigerator door. HorizonSeriesmonit
Helmer i.series, 97 360127-1/A 19 Settings 19.1 Touring the monitoring and control system J K L M N A B C D E F G H I Label Description Function A COOL lamp Indicates the compressor is running B Display Displays real-time temperature information, setpoints, and alarms C HIGH TEMP lamp Indicates when the refrigerator is in a high temperature alarm condition. Also indicates the high alarm temperature setpoint is being changed D LOW TEMP lamp Indicates when the refrigerator is in a low temperature alarm condition. Also i
Helmer i.series, 71 360127-1/A 14 Temperature Controller Programs The refrigerator is shipped from the factory with preset temperature setpoints. These setpoints are specic to the refrigerator’s intended use. These setpoints may be changed depending on organizational requirements. NOTE The Control Offset and Control Hysteresis are factory preset and should not be changed. 14.1 Hysteresis 14.1.1 Blood bank models The hysteresis band (range) value for refrigerator model HB (blood bank) is factory preset at 2.0 °C. 14.1.2 Laboratory
Helmer i.series, 22 360127-1/A 6.2 Checking the monitoring system backup battery ! CAUTION Checking the monitoring system rechargeable backup battery requires that power be disconnected from the refrigerator, which may affect the chamber temperature. Before testing the alarm, take precautions to protect items in the refrigerator from extended exposure to adverse temperatures. The monitoring system has a visual indicator to indicate that the monitoring system is running on rechargeable battery power. 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
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