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Undercounter Refrigerator Service Manual i.Series and Horizon Series™ ® Model Group i.Series Horizon Series Blood Bank iB105 (Version A) HB105 (Version A) Laboratory/Pharmacy iLR105 (Version A) HLR105 (Version A) HELMER SCIENTIFIC 14400 Bergen Boulevard Noblesville, IN 46060 USA PH +1.317.773.9073 0086 FAX +1.317.773.9082...
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Document History Revision Date Supersession Revision Description Supersedes A, 16 JAN 2014* 8580 Revised layout for ease of navigation and locating information. B, C, D * Date submitted for Change Order review. Actual release date may vary. 360117-1/E...
► Proceed with caution when adding and removing samples from the refrigerator. ► Use supplied power cord only. ► Using the equipment in a manner not specified by Helmer Scientific may impair the protection provided by the equipment. ► Decontaminate parts prior to sending for service or repair. Contact Helmer Scientific or your distributor for decontamination instructions and a Return Authorization Number.
General Information Control System NOTE Service information varies depending on the control system. Helmer refrigerators have one of two control systems installed. The type of control system varies by model. 3.2.1 i.Series Control System i.Series refrigerators are equipped with the i.Center monitoring system and independent temperature controller.
General Information Temperature Probes Number and location of probes varies by model. External probes may be introduced through existing rear port and immersed in existing probe bottle. For each probe bottle, use: ► Approximately 4 oz. (120 mL) of product simulation solution (10:1 ratio of water to glycerin). Left: Probe bottle with temperature probe.
General Information 3.4.1 Chart Recorder Access Open door by pulling door open. 3.4.2 Install Chart Paper Press and hold C button. When stylus begins to move left, release button. The LED flashes to indicate current temperature range. When stylus stops moving, remove chart knob then move knob up and away. Place chart paper on chart recorder. Gently lift stylus and rotate paper so current time line corresponds to time line groove.
The table indicates if an alarm is audible (A), visual (V), or sent through the remote alarm interface (R). Alarm Alarm Type High Temperature A, V, R Low Temperature A, V, R Compressor Temperature A, V, R (i.Series) Door Open (Time) A, V, R Power Failure A, V, R Low Battery V (i.Series) No Battery A, V, R (i.Series)
► Horizon Series model compressor warranty period is five (5) years. 6.1.3 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. Inspection of defective parts by Helmer will be final in determining warranty status. Warranty...
LIMITATION DAMAGES RELATED TO LOST REVENUES OR PROFITS, OR LOSS OF PRODUCTS. This warranty does not cover damages caused in transit, during installation by accident, misuse, fire, flood, or acts of God. Further, this warranty will not be valid if Helmer determines that the failure was caused by a lack of performing recommended equipment maintenance (per Helmer manual) or by using the product in a manner other than for its intended use.
Models Section II: i.Series Models ® Product Configuration Install Battery for Backup Power The monitoring system and chart recorder each have a battery system, enabling a period of continuous operation if power is lost. NOTE The monitoring system will not start on battery power alone. If the refrigerator was previously not connected to AC power and the batteries are installed, the monitoring system will not run on battery power.
Models Terminals are dry contacts and do not supply voltage. Interface circuit is either normally open or normally closed, depending on terminals used. Requirements for your alarm system determine which alarm wires must connect to terminals. The terminals on the remote alarm interface have the following maximum load capacity: ► 0.5 A at 125 V (AC): 1 A at 250 V (DC)
Level the Refrigerator NOTE ► Leveling feet are optional. ► Helmer recommends the use of leveling feet. ► A bubble level may be used to ensure the refrigerator is level. Leveling feet must be adjusted to provide unit cooler drainage.
Side-to-side: Rotate the leveling feet to raise or lower leveling feet. When refrigerator is properly leveled, bottom of the unit cooler will be horizontal (parallel to the floor). Optional Adapter Kits for Medication Dispensing Locks Contact Helmer Technical Service or your distributor for service documentation pertaining to medication dispensing locks. Reverse Door Hinge and Handle NOTICE Before reversing door hinge and handle, protect stored items in refrigerator from extended exposure to adverse temperature.
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Models Remove door latch / door catch. Remove two screws holding the door latch plates and spacer bar on the cabinet. Set the latch plates and spacer bar aside. Cabinet Strike plate Remove 2 screws Door latch plate. With the door shut, remove the cover plate from both hinges.
Models Door Cabinet Hinge Remove 2 Remove 3 screws (long) screws (short) Shim Hinge plate Hinge removal (lower hinge shown with spring removed). Lay the door face-down in front of the cabinet. 7.8.2 Reinstall the Door and Hinges Install the hinges and hinge plates on the door.
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Tighten all screws attaching both hinges to the door and to the cabinet. NOTE If a shim is necessary to level the door after hinge reversal, contact Helmer Technical Service to obtain a shim. Install the door handle on the opposite side of the door.
► When stacking a refrigerator and freezer (104 and/or 105 models), place the heavier unit on the bottom. ► Do not open multiple, loaded drawers or baskets at the same time. Call Helmer or your distributor for more information on the stacking kit, and for methods to secure both units to the wall and/or the floor. Temperature Monitor Settings...
Models 8.1.1 Home Screen Functions NOTE Refer to chapter 14 (i.Center Screen Reference) for a complete list of screens in the i.Center monitoring system. ► View current temperature readings ► View the current time and date ► View detailed information about current or previous alarm events ► View the remaining backup battery charge...
► View the settings for temperature and time alarms ► View the software versions for control and display components of Product/Company Information the monitoring system ► View information to contact Helmer i.Help ► Access the on-board help system ► View historical event logs and details...
Models Enable or disable the temperature graph: On the HOME screen, press the MAIN button. Press the DOWN button to select Edit Configuration. Press the SELECT button. Enter the password when prompted. Press the DOWN button to select Temperature Graph. Press the INC or DEC buttons to select enable or disable the temperature graph.
Models Press the DOWN button to highlight Temperature Calibration. Press the SELECT button. The Upper Probe option is displayed and the Temperature option is highlighted. Press the INC or DEC buttons to change the displayed value to match the value measured by the independent thermometer.
Models Restore Factory Default Settings Restore settings: Press the MAIN button. Press the DOWN button to highlight Edit Configuration. Press the SELECT button. Enter the password when prompted. Press the DOWN button to highlight Factory Default Settings. Press the SELECT button. Do one of the following: ► Press the ENTER button. Factory default settings are restored.
► Default setpoint is 50 °C ► Setpoint can be changed from -40 °C to +80 °C NOTICE Condenser Temperature Alarm should not be changed unless directed by Helmer Technical Service. Change the setpoint: Press the MAIN button.
Models Press the INC or DEC buttons to change the setting. Press the BACK button to return to the Edit Configuration screen, or press the HOME button to exit. The new settings are saved. 8.8.6 Door Ajar Alarm The Door Ajar Timeout specifies longest time the refrigerator door can be open before the alarm activates. If the time elapsed since the last door opening is greater than or equal to this value, the alarm activates.
Models Press the DOWN button to highlight System Options. Press the SELECT button. Press the DOWN button to highlight Chart Paper Timer. Press the INC or DEC buttons to select Enabled, Disabled, or Reset. Do one of the following: ► If Enabled or Disabled is selected, press the BACK button to return to the System Options...
Models Press the DOWN button to select Start High Alarm Auto Test. Press the SELECT button. ► The “High Alarm Test in Progress” message appears. When the test is complete, the message clears. View the Event Log. Note the temperature at which the low alarm occurred. Compare the temperature to the high alarm setpoint.
Models Remove probe from warm water. Place temperature probe in probe bottle, immersing it at least 2” (50 mm). 8.9.3 Power Failure Alarm Test NOTE ► During a power failure, the power failure alarm sounds and the batteries provide power to the monitoring system.
Ensure the monitoring system backup batteries are installed. Remove one battery from the monitoring system backup battery holder. If the no battery alarm activates, no further action is needed. Reinstall the battery. If the no battery alarm does not activate, contact Helmer Technical Service. NOTICE When installing replacement batteries, use only batteries which meet the specifications outlined in chapter 10.7 (Supplies).
Models Set the display language on power-on: Switch the AC ON/OFF switch ON. Install the monitoring system battery that is taped next to the backup battery holder. ► The refrigerator powers on and the i.Center will display the System Options screen.
Models 8.11 Event Log The Event Log shows information from alarm events. ► 50 (most recent) events can be viewed on the Event Log screen. ► Number of door openings for the current and previous day can be viewed.
Models 8.11.1 Event Details Event Log Detail screen. Label Description Event number Event Alarm Type Date and time of event Chamber temperature at time of event Condenser temperature at time of event View an event: Press the MAIN button.
► Security (3) NOTICE Changing parameter values affects refrigerator operation. Do not change parameter values unless instructed in product documentation or by Helmer Technical Service. NOTE ► To change the value for a parameter, first enter the program mode for that level. ► When there is no interaction for 25 seconds, the temperature controller exits program mode and returns to normal mode.
Models Exit program mode: Press and hold the UP and DOWN arrow buttons simultaneously for approximately one second. The current chamber temperature is displayed. Operational (Level 1) Parameters and Values (OU) NOTE ► Parameters are listed in order of appearance.
If the variance is within acceptable limits for your organization, changing the offset value is optional. Change the Hysteresis Value ► Default setpoint is 2.0 °C ► Allowable temperature variance on each side of the refrigerator setpoint NOTICE Hysteresis is factory-preset and should not be changed unless directed by Helmer Technical Service. 360117-1/E...
► Calibrated pressure gauge (0 psi to 25 psi (0 kPa to 175 kPa)) NOTICE If the compressor has been changed, the refrigerant charge amount may be different than stated above. if the compressor has been changed, contact Helmer Technical Service for to verify the refrigerant charge amount. Add refrigerant: Attach pressure gauge to the fittings on the refrigeration lines.
Clean with soft cloth and mild soap and water solution. 10.5.5 Clean and Refill Probe Bottle NOTE A kit that includes a probe bottle and glycerin is available from Helmer. Obtain: ► Fresh water-bleach solution (not provided) ► 1:9 ratio of bleach to water ► Bleach is 5% solution of commercial sodium hypochlorite (NaOCl)
Models Clean and refill bottle: Remove probe from bottle. Remove bottle from bracket. Clean bottle with water-bleach solution. Fill bottle with 4 oz. (120 mL) of product simulation solution. Cap bottle tightly to minimize evaporation. Place bottle in bracket. Replace probe, immersing at least 2” (50 mm).
Models Remove the unit cooler cover. Hold unit cooler cover in place to prevent it from dropping. Use the socket wrench to remove four screws securing the unit cooler cover. Carefully lower unit cooler cover to avoid damage to the fan wiring.
Models Problem Possible Cause Action Door does not open Debris in the hinges. ► Confirm the hinges are free of debris. Clean the easily. hinges if necessary. A hinge is faulty. ► Confirm the hinge spring or pin is not damaged. Replace entire hinge (lower hinge only), if necessary. ► Replace the entire lower hinge spring and pin...
Models Problem Possible Cause Action Chamber temperature Probe bottle is empty, ► Check the level of product simulation solution in does not stabilize or the amount of the bottle. Clean and refill the bottle if necessary. at the refrigerator solution is too low. setpoint. ► Check the condenser grill. Clean it if necessary.
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Models Problem Possible Cause Action Refrigerator meets an The alarm setpoint ► Check the current setpoints for the temperature alarm condition, but was changed. alarms. Change the setpoints if necessary. the appropriate alarm A component is ► Contact a qualified service technician. is not active.
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► Clean as necessary, or order new ones from Condenser alarm is Condenser fins are active. dirty. Helmer or your distributor. ► Check to ensure the refrigerator is placed Ambient temperature is too high. according to the operating specifications in the operation manual. Condenser fan motor ► Replace the condenser fan motor.
Models Problem Possible Cause Action An alarm activated, Monitor settings are ► Confirm the temperature probe is reading correctly. but the temperature not calibrated. Calibrate the probe if necessary. recorded at activation Temperature changed ► No action needed. does not match the slightly around the alarm setpoint.
Models 11.5 Condensation Problems Problem Possible Cause Action Excessive water in Humid air is entering ► Confirm the refrigerator is level, and the door the water evaporation the chamber is aligned, closing tightly, and sealing correctly. tray inside the lower Correct issues as necessary. compartment in the back of the unit.
Models Parts NOTICE ► 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. 12.1 Front 12.1.1 Monitoring System Monitoring features.
The i.Center display assembly is sensitive to static electricity and can be damaged by electrostatic discharge. Use proper ESD precautions when handling the display assembly. NOTE Although the LCD display and touchpad may be replaced individually, Helmer recommends replacing the entire display assembly. 360117-1/E...
Models 12.1.3 Lower Panel Front panel features. Schematic Label Description Part Number Label Monitoring system backup batteries 715031 Flash port Circuit breakers (230 V models only; knockouts shown on 230 V / 50 Hz 120272 115 V model) 230 V / 60 Hz 120288...
Models 12.2 Rear Rear features. Schematic Label Description Part Number Label Nut flanges for brace bars used in stacking undercounter units (four shown) Rear access port Drain line (copper tube segment) 321190-1 Product specification label Power cord connector 120299 Compressor/component rear compartment door 321184-1 Remote alarm contacts i.Center monitoring system data port...
Models 12.2.1 Electrical Tray Kick plate (removed). Pull-out electrical components tray (open). WARNING Disconnect the refrigerator from AC power before accessing the electrical tray. NOTICE The control board is sensitive to static electricity and can be damaged by electrostatic discharge.
Models 12.3.1 Lighting Light features (partial views). Schematic Label Description Part Number Label Light assembly (includes circuit board and cover) 800023-1 Light cover shown 12.3.2 Unit Cooler Left: Unit cooler with fan guard. Middle: Unit cooler fan. Right: Temperature control probe.
Models 12.4 Door Hinges Hinge, hinge spring and pin assembly, and door handle with key lock. NOTE Spring tension is controlled at the point where the pin is stopped by the side plate (C, D). Label Description Part Number...
Models 12.5 Side Access Panel Undercounter refrigerators feature easy access for servicing, removal, and replacement of the compressor and condenser. The compressor is accessible from the rear and the side. Side access panel. 360117-1/E...
Models i.Center Screen Reference HOME screen MAIN button MAIN screen MUTE button (changes mute timer) LIGHT button (turns light on or off, if option installed) MAIN screen Event Log option (Press the SELECT button) EVENT LOG screen System Alarm Test & Status option SYSTEM ALARM TEST &...
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Models SYSTEM OPTIONS screen Language option Date Format option Alarm Volume option Alarm Pulse option Temperature Units option Chart Paper Timer option SET ALARM SETPOINT screen High Alarm Setpoint option Low Alarm Setpoint option Cond. Alarm Setpoint option Door Ajar Timeout option...
Horizon Series™ Models Section III: Horizon Series™ Models Product Configuration 15.1 Install Battery for Backup Power The monitoring system has a battery system, enabling a period of continuous operation if power is lost. NOTE The monitoring system will start on battery power alone. If the refrigerator was previously not connected to AC power and the battery is connected, the monitoring system will begin running on battery power.
Horizon Series™ Models Terminals are dry contacts and do not supply voltage. Interface circuit is either normally open or normally closed, depending on terminals used. Requirements for your alarm system determine which alarm wires must connect to terminals. The terminals on the remote alarm interface have the following maximum load capacity: ► 0.5 A at 125 V (AC): 1 A at 250 V (DC) 15.2.1 Connect to Remote Alarm Interface...
(toward the condensate drain line). Side-to-side: Rotate the leveling feet to raise or lower leveling feet. When refrigerator is properly leveled, bottom of the unit cooler will be horizontal (parallel to the floor). 15.6 Optional Adapter Kits for Medication Dispensing Locks Contact Helmer Technical Service or your distributor for service documentation pertaining to medication dispensing locks. 360117-1/E...
Horizon Series™ Models 15.7 Reverse Door Hinge and Handle NOTICE Before reversing door hinge and handle, protect stored items in refrigerator from extended exposure to adverse temperature. NOTE Refrigerator must be on the floor or on an elevated work surface with enough space in front of the refrigerator to lay the door face-down for disassembly. 15.7.1 Remove the Door and Hinges Open the lower front control panel.
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Horizon Series™ Models Remove the door handle assembly. Remove four screws holding the door handle assembly on the door. Set the door handle assembly aside. Remove Door handle assembly. Remove door latch / door catch. Remove two screws holding the door latch plates and spacer bar on the cabinet Set the latch plates and spacer bar aside.
Horizon Series™ Models 10 Remove the lower hinge. Support the door. Remove five screws attaching the lower hinge to the door and cabinet. Remove the lower hinge. Reverse the hinge manually (as if moving the hinge from a fully-closed to a fully-open position). Set the lower hinge aside. Continue to support the door. 11 Remove the upper hinge.
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Horizon Series™ Models Label Description Outer door frame Data cable (gray) Cable exit (corner of door) Additional cable slack Lay the door assembly face-down on a solid work surface. Remove remaining screws from both sides of the door assembly. Lift the inner door frame out of the outer door frame and set aside. A J-hook tool may be used along the bottom edge of the door assembly to lift the inner frame.
Horizon Series™ Models Left: Original cable routing (right-hinged door). Right: New cable routing (left-hinged door). Route the data cable out of the door. Slide the data cable through the slot in the door. Insert the door-side grommet into the hole in the door. Reinstall the inner door frame inside the outer door frame.
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Tighten all screws attaching both hinges to the door and to the cabinet. NOTE If a shim is necessary to level the door after hinge reversal, contact Helmer Technical Service to obtain a shim. Route the data cable across the front of the cabinet. Attach the cable to the zip tie holder under the cabinet on the hinge side.
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Horizon Series™ Models Washer Internal hex cap Spring Spring cap Bushing Use a J-hook tool in the spring cap to compress the spring upward (Figure C). While compressing the spring, slide the spring cap over the lower hex bolt in the lower hinge (Figure D).
► When stacking a refrigerator and freezer (104 and/or 105 models), place the heavier unit on the bottom. ► Do not open multiple, loaded drawers or baskets at the same time. Call Helmer or your distributor for more information on the stacking kit, and for methods to secure both units to the wall and/or the floor. Settings Through the Horizon Series monitoring and control system, current settings may be viewed and changed.
Horizon Series™ Models Label Description Function DOWN ARROW / Decreases a temperature setting. Also mutes the audible alarm for MUTE ALARM button five minutes. SET button Allows settings to be selected, prior to changing settings. NOTE The Alarm Disable key switch disables all audible alarms. This switch does not affect alarm lamps or signals sent through the remote alarm interface.
Horizon Series™ Models Flashing Lamp Selected Setting HIGH TEMP and MONITOR High Temp alarm setpoint LOW TEMP and MONITOR Low Temp alarm setpoint MONITOR only Monitor Offset CONTROL only Control Sensor Offset CONTROL only Control Hysteresis 16.3.1 High Temperature Alarm ► Specifies the temperature at which the High Temperature Alarm activates.
Horizon Series™ Models Flashing Lamp Selected Setting MONITOR only Monitor Offset CONTROL only Control Sensor Offset CONTROL only Control Hysteresis 16.4.1 Monitor Offset ► Adjust if temperature displayed on the monitor does not match measured chamber temperature. ► Value is factory-set to match an independent thermometer. ► Value can be changed from -10.0 °C to +10.0 °C.
Hysteresis ► Default setpoint is 1.0 °C ► Allowable temperature variance on each side of the refrigerator setpoint. NOTICE Hysteresis is factory-preset and should not be changed unless directed by Helmer Technical Service. 16.5 Test Alarms Test alarms to ensure they are working correctly. The refrigerator has alarms for chamber temperature, power failure, and door open (time).
Horizon Series™ Models Compare the temperature at which the alarm sounds to the low alarm setpoint. If values do not match, refer to chapter 18 (Troubleshooting). Test the high alarm: Identify setting for high alarm setpoint. While stirring probe in chilled water, add warm water so temperature increases 0.5 °C per minute. When high temperature alarm sounds, note the temperature on the monitoring system display.
► Calibrated pressure gauge (0 psi to 25 psi (0 kPa to 175 kPa)) NOTICE If the compressor has been changed, the refrigerant charge amount may be different than stated above. if the compressor has been changed, contact Helmer Technical Service for to verify the refrigerant charge amount. Add refrigerant: Attach pressure gauge to the fittings on the refrigeration lines.
Clean with soft cloth and mild soap and water solution. 17.4.5 Clean and Refill Probe Bottle NOTE A kit that includes a probe bottle and glycerin is available from Helmer. Obtain: ► Fresh water-bleach solution (not provided) ► 1:9 ratio of bleach to water ► Bleach is 5% solution of commercial sodium hypochlorite (NaOCl)
Horizon Series™ Models Place bottle in bracket. Replace probe, immersing at least 2” (50 mm). 17.5 Unit Cooler Cover Removal and Installation 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.
Horizon Series™ Models Attach unit cooler cover. Lift unit cooler cover into place. Front edge of the cover should be behind the unit cooler case. Use the socket wrench to install four screws to secure the unit cooler cover. Insert the drain hose through hole in the refrigerator. Push drain hose upward, toward the unit cooler drain port.
Horizon Series™ Models Troubleshooting CAUTION ► Review all safety instructions prior to troubleshooting. Refer to chapter 2 (Safety). ► Troubleshooting should only be performed by trained refrigeration technicians. 18.1 General Operation Problems Problem Possible Cause Action A drawer or basket Debris in the drawer ► Pull the drawer or basket out and confirm the does not slide easily.
Horizon Series™ Models Problem Possible Cause Action Chamber temperature Monitor/control board ► Confirm the monitor/control board is operating does not stabilize is faulty. correctly. Replace it if necessary. at the refrigerator Condensing unit fan is ► Check the condensing unit fan connections. setpoint. not running. Replace the fan motor if necessary.
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Horizon Series™ Models Problem Possible Cause Action Refrigerator meets an Monitor/control board ► Replace the monitor/control board. alarm condition, but is faulty. the appropriate alarm Alarm setpoint was ► Check the current setpoints for the temperature is not active. changed. alarms.
Horizon Series™ Models Problem Possible Cause Action Door Open alarm is Door is not closing ► Clean hinges if debris is present. ► Confirm door is aligned. activating sporadically. completely. ► Confirm hinge spring and/or pin are not damaged. Replace hinge (lower only) if necessary. Door is closing but not ► Confirm the door gasket seals completely.
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Horizon Series™ Models Problem Possible Cause Action Excessive moisture on Humid air is entering ► Confirm the refrigerator is level, and the door is the doors. the chamber. aligned, closing tightly, and sealing correctly. Relative humidity ► Confirm refrigerator location meets requirements. around refrigerator is too high. ► Confirm the refrigerator is level, and the door is Water leaks from Humid air is entering the bottom of the the chamber.
Horizon Series™ Models Parts NOTICE ► 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. 19.1 Front 19.1.1 Control System Display Top: Horizon Series combined controller and monitor.
Horizon Series™ Models 19.1.2 Control and Monitoring Label Description Part Number Schematic Label Horizon Series monitoring and control system Temperature chart recorder (standard on blood bank model, optional on laboratory / pharmacy model) Chart paper (52 sheets) 220366 Chart recorder backup battery 120218 shown 19.1.3...
Power cord connector 120299 Compressor/component rear compartment door 321184-1 Remote alarm contacts Power cord Condensate evaporator tray Compressor Contact Helmer Condensing unit fan motor Contact Helmer Compressor solid state relay 400842-1 shown Defrost timer 800120-1 Caster (optional, swivel with brake)
Horizon Series™ Models 19.2.1 Electrical Tray Kick plate (removed). Pull-out electrical components tray (open). WARNING Disconnect the refrigerator from AC power before accessing the electrical tray. NOTICE The control board is sensitive to static electricity and can be damaged by electrostatic discharge.
Horizon Series™ Models 19.3 Interior Interior features. Schematic Label Description Part Number Label Door Solid door Stainless steel: 400918-1 Powder coated: 400918-2 Glass door (optional) Stainless steel: 400919-1 Powder coated: 400919-2 Drawer (blood bank model) 400752-4 Door switch 120380 Roll-out basket (optional) 400815-1 Standard for shelf, drawer, or roll out basket 321173-1...
Horizon Series™ Models 19.3.1 Lighting (Optional) Light features (partial views). Schematic Label Description Part Number Label Light assembly (includes circuit board and cover) 800023-1 Light cover shown 19.3.2 Unit Cooler Left: Unit cooler with fan guard. Middle: Unit cooler fan. Right: Temperature control probe. Schematic Label Description...
Horizon Series™ Models 19.4 Door Hinges Hinge, hinge spring and pin assembly, and door handle with key lock. NOTE Spring tension is controlled at the point where the pin is stopped by the side plate (C, D). Label Description Part Number Hinge, covered, edge mount 220506 Hinge, uncovered, without spring assembly...
Horizon Series™ Models 19.5 Side Access Panel Undercounter refrigerators feature easy access for servicing, removal, and replacement of the compressor and condenser. The compressor is accessible from the rear and the side. Side access panel. 360117-1/E...
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