Undercounter_Worktop Instruction Manual
Contents
1. 19 PS 1 1 copes etn e tebe se ce EEA etree setae tase octet 19 VIE TOR tate cete cxtecetcceete aves 19 2 HIER unterer E E EER 19 3 Door Drawer Gaskets a a 19 4 SNEIVES aerae RER R 20 20 a a 2 A SEE 20 T Drawers ee a eaa aeae ee eaaa Ee 20 Maintenance 1 Air Filter 2 Power Supply Connection 3 Other l Installation Instructions A Unpacking and Checks Before Installation CAUTION Unit is heavy Use care when lifting or positioning Work in pairs when needed to prevent injury to persons lifting and to prevent damage to the unit Hold the bottom of the unit Do not hold doors drawers they could become deformed or come off Do not tilt the unit by more than 45 1 All tape and packaging should be removed from the machine prior to installation The equipment should be inspected for any damage which may have occurred during shipment Concealed damage claims must be filed with the carrier a Visually check that the refrigerant lines do not rub or touch other lines or surfaces and that the fan blades turn freely b Check that the compressor is snug on all mounting pads 2 Remove all accessory containers before disca2. Superior Degree of Reliability www hoshizaki com op E Hoshizaki America Inc Commercial Refrigerators amp Freezers Undercounter amp Worktop Series Models Refrigerators HUR40A D HWR40A D HUR68A D HWR68A D HUR96A D HWR96A D Freezers HUF40A D HWF40A D HUF68A D HWF68A D INSTRUCTION MANUAL Issued 6 24 2003 Revised 7 8 2005 IMPORTANT Only qualified service technicians should attempt to install service or maintain this unit No installation service or maintenance should be undertaken until the technician has thoroughly read this Instruction Manual Likewise the owner manager should not proceed to operate the unit until the installer has instructed them on its proper operation HOSHIZAKI provides this manual primarily to assist qualified service technicians in the installation maintenance and basic service of the unit Should the reader have any questions or concerns which have not been satisfactorily addressed please call or write to the HOSHIZAKI Technical Support Department for assistance HOSHIZAKI AMERICA INC 618 Highway 74 South Peachtree City GA 30269 Attn HOSHIZAKI Technical Support Department Phone 1 800 233 1940 Technical Service 770 487 2331 Fax 1 800 843 1056 770 487 3360 Web Site www hoshizakiamerica com NOTE expedite assistance all correspondence communication MUST include the following information Model Numb
3. Temperature Display Window shows dF during defrost cycle E MANUAL DEFROST Hold down Manual Defrost Button for 5 seconds to start defrost cycle E ERROR CODE DISPLAY MANUAL a Temperature Display Window flashes alternately between one of the error codes from to E9 and cabinet temperature in case of trouble D E RO ST E1 Cabinet temperature too high button Door s left open Warm or hot foods inside Installed near high heat producing equipment E7 Condenser clogged or ambient temperature too high Air Filter clogged Installed near high heat producing equipment if an error code other than or E7 is displayed contact an authorized Hoshizaki service company EHOW TO RESET ERROR CODE Et Automatically resets when a proper cabinet temperature is resumed E7 After checks and corrections turn power supply off and back on again If the error code still appears contact an authorized Hoshizaki service company touch the Condenser or Evaporator Fins directly Risk of injury A A not put anything inside The Fan is rotating rapidly inside ew WARNING A d unpiug the unit o ct rain power 354126 018 1 Temperature Display The factory setting is F To change the display to C follow the steps below 1 Press and hold both the button and the unmarked blank button for 5 seconds F5 appears in the display window If FO is displaye
4. ae 10 eye MIE ee rE EE EEE EEEE E E EAE E EA RERE EEEE EE AE 11 C Food Storage een anaa Eaa ee 12 D SSA OWI erresen E E E E A EA EEN 12 E Electronic Control Operation unten 13 1 Temperat re DISplay ae ae en 13 2 Adjusting the Setpoint 14 RS NUE 87010 gt ata disease renerne A E EEEE tdci dled seek TIER 14 4 NN 312 14 5 Start up Delay nee een nad detente neni eamnteebecenmaeteceats 15 6 Compressor Short Cycle Timer unu een 15 7 Safety DeVIc BE nee ee een 15 a Pressure so cccniessesicieininsndscainanedaujasninssinengusiigasniuseanss vabanas banenetnabeasadnahanandnats 15 b Compressor Protector u nk nhnen naeh en 15 Defrost Protecto scssi reeeo a ee ee engen nen 15 8 Energy Saving Mode ars suiasete starteten nenne kernel innen 15 ee erh rrr rant 16 1 Unit Fails to Operate een re er 16 2 Alarm Code Appears in Display 17 3 Poor Cooling 18 4 GMA GTS ANGI 18 5 cic e eet anc ace eed eset Le EHE SELTENER 18 Ill Cleaning and Maintenance
5. 6 Condenser Check the condenser located behind the air filter once a year and use a brush or vacuum cleaner to clean the unit as required 7 Drawers On units with drawers the drawers can be removed for cleaning either individually or as an entire assembly To remove an individual drawer first remove all food product from the drawer Pull the drawer out to its fully extended position and lift up on the handle to disengage the drawer Before removing the drawer carefully support the rear and front of the drawer and then slowly remove it from the cabinet To remove the drawer frame assembly first remove the drawers and then remove the fasteners in the thermal break and in the rear of the cabinet Carefully slide the frame out of the cabinet making sure not to damage the thermal break Reinstall in the reverse order making sure not to overtighten the screws in the thermal break To remove the drawer slide center slide containing rollers for cleaning rotate the top of the slide away from the frame while the slide is completely inside the cabinet Drawer slides do not require lubrication but slides should be kept clean and free of food Note Drawer slides are dishwasher safe B Maintenance 1 Air Filter The air filter promotes clean condenser surfaces and efficient unit operation by removing dirt and grease from circulating air The filter should be checked monthly and cleaned when necessary as described in A C
6. be sure to pull the attachment plug and do not jerk the power cord It could be damaged and cause fire or electric shock When shutting down the unit for more than one week turn OFF the power switch and unplug the unit Do not plug in unplug the unit to start stop operation This could cause electric shock or short circuit 1 Before shutting down the unit move the stored food into another refrigerator freezer 3 2 Open the front panel and turn the power switch to OFF The unit will shut down Unplug the unit or disconnect the main power source 4 Close the front panel IMPORTANT When preparing the unit for long storage clean the cabinet liner shelves and door drawer gaskets 12 Electronic Control Operation The display panel is located on the face of the refrigeration circuit behind the front panel Upon opening the front panel the display panel can be accessed From the display panel various controls and functions can be adjusted Follow the instructions and warnings below and on the display panel for safe and efficient operation of the unit E CABINET TEMPERATURE SETTING Push SET Point Button to display the current set point temperature Hold down SET Point Button and press Temperature Control Button 4 until Temperature Display TEMP CONTROL setting buttons Window shows the desired temperature CABINET temperature TEMP display window blank button DEFROST
7. filter sensor has failed EEPROM Write Error Alarm Call a qualified service technician Control board is defective EEPROM Verification or Read Error Alarm Call a qualified service technician High Pressure Alarm Clean filter if necessary Allow time for pressure switch to react then turn power off and back on Compressor discharge pressure is outside again to reset E4 normal operating range Pressure switch has been triggered 5 or more times in 1 hour If switch trips 5 times in 1 hour and the above Condenser filter may need cleaning steps do not clear the alarm code call a Control board is defective 17 3 Poor Cooling Performance Door s drawers opened too often Door s drawer left open Close Too packed with food or air inlet outlet blocked Allow some space between items containers to ensure good air flow Warm or hot foods inside Take them out until they cool down Ambient temperature too high Avoid installation near high heat producing equipment exposure to direct sunlight Cabinet temperature setting too high Readjust it to a lower temperature Unit in defrost process The cabinet temperature may rise temporarily during defrost cycle but this will not affect the food inside 4 Condensation Door s drawer left open Close Ambient humidity too high Condensation may occur a humid or rainy day Wipe off occasionally 5 Noise Operating
8. FF the power switch and unplug the unit or disconnect the main power source and immediately contact an authorized Hoshizaki service company To prevent possible electric shock or fire do not keep the unit in operation This unit should be disassembled or repaired only by qualified service personnel to prevent the risk of injury electric shock or fire Do not make any alterations to the unit This could cause water leak electric shock or fire prevent electric shock do not touch the attachment plug power switch or other electrical parts with damp hands IMPORTANT In case of insufficient refrigeration performance move the stored food product into another unit to prevent its deterioration When contacting a service company let them know the model name serial number date of installation See warranty card and the nature of the trouble error code etc 1 Unit Fails to Operate Power failure Wait until power supply is resumed Unplugged Plug in 16 2 Alarm Code Appears in Display If an error occurs the alarm code and cabinet temperature are displayed 1 second intervals When an error occurs check the error code and follow the instructions below If more than one abnormal condition exists alarm codes will be displayed in order of priority Alarm Code Problem Notes High Temperature Alarm When temperature returns to setpoint range alarm code E1 will clear Cabinet tem
9. be above a preset limit determined by Hoshizaki specifications a pressure switch will activate causing power to be interrupted to the compressor relay This power interruption will shut down the compressor for a minimum of 5 minutes After 5 minutes if pressure is no longer above the preset limit the pressure switch will reset automatically When the pressure switch resets power will be resupplied to the compressor b Compressor Protector When a combined temperature amperage value is above the limit specified by the compressor manufacturer a protector will operate independently turning off the compressor The compressor will restart when this protector has reset Note The compressor protector resets automatically e f the condenser fan is operating and the compressor is off it is most likely that the protector has operated c Defrost Protection Primary defrost termination is controlled by the defrost thermistor However two additional safeties are also present 1 Time Termination 1 hour maximum 2 Temperature Termination Measured by a separate device that is in line with the heaters and independent of the control board 8 Energy Saving Mode On some units the evaporator fan and or other components may operate intermittently as a means to reduce energy consumption This setting is made at the factory and such operation is automatic 15 Troubleshooting WARNING If the unit does not work properly turn O
10. cleaning the cabinet interior move the stored foods into another clean refrigerator freezer 1 Exterior The exterior is exposed to grease moisture and dust Even stainless steel needs periodic cleaning to prevent possible corrosion Wipe the exterior occasionally with a clean soft cloth Use a damp cloth containing a neutral cleaner to wipe off oil or dirt build up Clean the worktop as often as necessary to maintain a clean sanitary work surface 2 Interior Spills should be wiped up promptly to avoid unpleasant odors The cabinet interior should be cleaned periodically with a mild soap or detergent 3 Door Drawer Gaskets Remnants of food on the gaskets or cabinet will accelerate aging Door drawer gaskets should be cleaned regularly with mild soap and water to remove dirt and grease 19 4 Shelves Remove and clean regularly 5 Air Filter As the air filter becomes clogged with dirt or dust the unit s performance will be reduced Do not operate the unit with the air filter removed This will accelerate clogging of the condenser and result in failure Check the filter at least twice each month If it is dirty use warm water and a neutral cleaner to wash the filter To avoid damaging the air filter do not use water hotter than 104 F 40 C The filter is located behind the front panel This filter can be removed by opening the front panel and lifting the filter away from the condenser Reinstall the filter after cleaning
11. d press the MANUAL DEFROST button repeatedly until F5 appears 2 Press the unmarked blank button to display the current setting default F Press the down button to switch to C Press the amp unmarked blank button again to save the setting 13 3 Press and hold both the button and the unmarked blank button for 5 seconds The cabinet temperature will be displayed using the newly saved temperature scale 4 Affix the C label supplied with the unit to the display panel covering F but not the display window Note The cabinet temperature is updated every 30 seconds 2 Adjusting the Setpoint Temperature The setpoint temperature is the temperature at which the compressor turns on To set the setpoint temperature follow the steps below 1 Press the Ger button to display the current setpoint temperature 2 To change the setpoint press and hold the ser button while pressing the up or V down button to raise or lower the setpoint Allowable Setpoint Range Default I 2 N gt Door Unit Drawer uni 1310 HoF Refrigerator auxiliary code Q5 and 21 to 53 F 6 to 12 C Refrigerator auxiliary code Q6 and 3 After 10 seconds the new setpoint will be saved automatically Note For freezers with doors the temperature differential for the compressor to turn off is 6 3 F 3 5 C below the setpoint For freezers wi
12. e range at the location should be between 45 F 7 C and 100 F 38 The unit should not be near ovens grills other high heat producing equipment or in direct sunlight The unit may be safely installed and operated flush with walls but for maximum performance install a minimum of 4 inches 102 mm from all walls Allow at least 20 inches 50 cm at the front for proper air circulation E Setup 1 Position the unit in the selected location For units with casters no adjustment is necessary Units with legs can be levelled in both the front to back and side to side directions The feet are provided with hex flats in order to facilitate adjustment Viewed from the bottom turn clockwise to lower each leg and counterclockwise to raise each leg 2 Install the shelves using the shelf support clips provided in the accessory pack Shelves are adjustable in one inch increments Adjust to the height of stored items IMPORTANT 1 Casters must be installed flush to unit If floor irregularity requires adjustment of caster height add caster shims as necessary provided with unit and retighten casters completely 2 Attach the shelf clips properly to make shelves level 3 Slant shelves when placing into cabinet in order to clear door frame opening Electrical Connection Cord connected units should only be plugged into a 115 volt 60 Hz circuit with a national and local electrical code approved grounded wall rece
13. er Serial Number Complete and detailed explanation of the problem ENERGY STAR Products earning the ENERGY STAR prevent greenhouse gas emissions by meeting strict energy efficiency guidelines set by the U S Environmental Protection Agency and the U S Department of Energy Several models of Hoshizaki undercounter and worktop models have earned the ENERGY STAR To easily determine if your unit has earned the ENERGY STAR see the nameplate attached to the right wall on the inside of the cabinet A 2 Please review this manual It should be read carefully before the unit is installed and operated Only qualified service technicians should install service and maintain the unit This manual should be made available to the technician prior to installation maintenance or service Keep this manual with the unit for later reference CONTENTS l Installation INSHUCHONS verreisen 5 A Unpacking and Checks Before Installation 5 Opening and Removing the Front Panel ann 6 Moving the Unit in a Narrow Elevator or 6 DE GCAO ee E 7 veneer aaah deawaaanes 7 Electrical Connectionin n een 8 Connection ses rae EAEEREN 9 A Final CHScKlist nennen ee ee 9 IE Operating Instruslians see ee 10 Operation For Safety and Best Results
14. eration unit Support the evaporator as it clears the evaporator case Be careful not to damage the refrigeration circuit tubing Front Panel 5 After taking out the refrigeration unit secure the doors drawers with tape Note Remove all accessories from inside the cabinet 6 Place the unit upright on a cart and roll it into the elevator 7 Carry the unit to the installation site Refit the removed parts in the reverse order of which they were removed Note Before placing the unit upright on a cart lay acloth on the cart to protect the unit from damage When standing or carrying the unit be sure to work in pairs WARNING The installation must be carried out by qualified personnel in accordance with this Instruction Manual Improper installation may cause water leak electric shock or fire After the installation make a trial run to check for proper operation and instruct the user on how to use and maintain the unit according to the Instruction Manual CAUTION This unit is not intended for outdoor installation The air temperature should be within a 45 F 7 C to 100 F 38 C range Extended periods of operation at temperatures exceeding these limitations may cause unsatisfactory results For best operating results The machine should be on a flat level and solid firm foundation The unit should not be located in a corrosive environment The air temperatur
15. g on the controller prior to loading it with food products For more information on electronic control operation see section E 11 Food Storage Do not block the air inlet and outlet with food or cooling performance may be reduced e f the cabinet temperature is set to maintain a subfreezing temperature do not store vegetables or any foods that should not be frozen or these foods may deteriorate Do not tightly pack the cabinet with food Allow some space between items containers to ensure good air flow Also allow space between food product and interior surfaces Do not put warm or hot foods in the unit Let them cool first or they will raise the cabinet temperature and could deteriorate other foods in the cabinet or overload the refrigerator All foods should be wrapped in plastic film or packed in a container Otherwise foods may dry up pass their smells onto other foods cause frost to develop result in poor unit performance or increase the likelihood of cross contamination Certain dressings and food ingredients if not stored in containers may accelerate corrosion of the evaporator resulting in failure D Shutdown WARNING When preparing the unit for long storage prevent the doors drawers from closing tightly to reduce the risk of children getting trapped To prevent electric shock do not touch the attachment plug power switch or other electrical parts with damp hands To unplug the unit
16. ge to existing wiring CAUTION To unplug the unit be sure to pull the attachment plug and do not jerk the power cord It could be damaged and cause fire or electric shock The maximum allowable voltage variation should not exceed 10 of the rated voltage Operation outside of this range may result in failure or reduction of refrigeration performance Drain Connection This unit is provided with an energy efficient automatic condensate water disposal system and normally requires no drain connection H Final Checklist 1 Is the unit level 2 Is the unit located in a site where the ambient temperature will be within the 45 F to 100 F 7 C to 38 C range year round 3 Have all shipping cartons tapes and packing materials been removed from the unit 4 Has the power supply been checked or tested against the nameplate rating 5 Has the unit been checked for shipping damage 6 Has the Owner s Warranty Registration been filled out and forwarded to the factory ll Operating Instructions A Operation For Safety and Best Results IMPORTANT Do not leave the doors drawers open Open and close the doors drawers with care Doors drawers opened too quickly or forcefully may cause injury or damage to the unit or surrounding equipment Doors drawers may be hard to open just after they have been closed Try again after 15 seconds TO prevent deformation or cracks do not spray insecticide ont
17. leaning 5 Air Filter 20 2 Power Supply Connection WARNING 1 Check periodically that the power cord plug blades and their vicinity are free of dust and that the plug is securely plugged into the receptacle Dusty blades or a loose connection may cause electric shock or fire 2 Do not damage the power cord It should not be altered jerked bundled weighed down pinched or tangled Such actions could result in electric shock or fire 3 The unit must have a separate power supply or receptacle of proper capacity Branching off the power cord using an extension cord or sharing a single power supply with other appliances may result in electric shock heat generation or fire If the plug or power cord is damaged immediately contact an authorized Hoshizaki service company and ask for repairs 3 Other All other maintenance or service on this unit should be performed in accordance with the Hoshizaki Service Manual by a qualified service technician 21 HOSHIZAKI AMERICA INC 618 Hwy 74 S Peachtree City GA 30269 USA TEL 770 487 2331 FAX 770 487 3360 www hoshizaki com 91A3FA10C
18. n of other food Do not use combustible spray or place volatile and flammable substances near the unit They might catch fire Do not put anything into the machine compartment or the condenser air inlet outlet The fan rotating rapidly inside might cause injury or heat 10 WARNING Additional Warning For Units with Drawers 1 Do not hang on or push down on the drawers and do not load any single drawer with more than 150 Ib 68 kg of product 2 Depending on the weight of product in the drawers secure the unit as necessary to prevent it from overturning 3 Do not open more than one drawer at a time and never stand on the drawers B Startup WARNING Do not splash water directly onto the unit It may cause short circuit electric shock corrosion or failure CAUTION Do not put anything into the air inlet outlet The fan rotating rapidly inside may cause injury After installation wipe the interior with a soft cloth containing cold or warm water This unit is equipped with an electronic control which has been preset at the factory to maintain a specified cabinet storage temperature After the power cord is plugged securely into the closest outlet off the floor open the front panel for access to the power switch located on the control box front and turn the switch on IMPORTANT There is a 2 minute normal delay before the refrigeration system starts Allow the unit to pull down and start cyclin
19. o the plastic parts or let them come into contact with oil This unit is designed only for temporary storage of food Employ sanitary methods Use for any other purposes for example storage of chemicals or medical supplies such as vaccine and serum could cause deterioration of stored items avoid damage to the gasket use only the door drawer handle do not grab the top of the door drawer directly when opening and closing WARNING For All Units 1 If the unit does not work properly turn OFF the power switch and unplug the unit or disconnect the main power source then contact an authorized Hoshizaki service company To prevent possible electric shock or fire do not keep the unit in operation Do not hang on or push down on the doors drawers The doors drawers might be damaged fall off or the unit could tip over causing injury prevent electric shock do not touch the attachment plug power switch or other electrical parts with damp hands Do not store any volatile or flammable substances such as benzine ether alcohol adhesives or LPG in the unit They are potential sources of explosion or fire Do not throw anything onto the shelves or load any single shelf with more than 120 Ib 54 5 kg of product They might fall off and cause injury Do not store food or food containers near the air outlet They might freeze up and crack or break causing a risk of injury or contaminatio
20. perature has exceeded set temperature by 18 F 10 C for more than x If temperature is not back in range and obvious minutes The default value of x is 2 120 corrections do not bring temperature back in minutes range call a qualified service technician Low Temperature Alarm When temperature returns to setpoint range alarm code E2 will clear Cabinet temperature has remained below setpoint by 9 F 5 C for more than minutes lf temperature is not back in range and obvious The default value of y is 1 60 minutes corrections do not bring temperature back in range call a qualified service technician Defrost Alarm Call a qualified service technician Defrost has taken longer than 1 hour Control Note that E3 may alternate with dF instead of board has terminated defrost the temperature qualified service technician Clogged Filter Alarm Clean filter Allow time for sensor to react then turn power off and back on again to reset Condenser temperature is outside of normal operating range Condenser filter needs If this alarm occurs frequently it is cleaning recommended that a qualified service technician be called Defrost Temperature Sensor Malfunction Alarm Call a qualified service technician After replacing sensor alarm will reset Defrost temperature sensor has failed Clogged Filter Sensor Malfunction Alarm Call a qualified service technician After replacing sensor alarm will reset Clogged
21. ptacle A separate circuit with its own circuit breaker HACR type or fuse LP CC type should be provided Refer to the nameplate located inside the cabinet for the proper electrical specifications Hardwired units should only be wired into the proper conduit with its own circuit breaker HACR type or fuse LP CC type Refer to the nameplate for the proper electrical specifications WARNING Make sure the power switch is off before making electrical connections to prevent possible electric shock The connections must be made to a separate power supply or receptacle in accordance with the national and local electrical code requirements and this Instruction Manual Branching off the power cord using an extension cord or sharing a single power supply with other appliances may result in electric shock heat generation or fire This unit should be disassembled or repaired only by qualified service personnel to prevent the risk of electric shock or fire Do not make any alterations to the unit Alterations could result in water leak electric shock or fire Do not damage the power cord It should not be altered jerked bundled weighed down pinched or tangled Such actions could result in electric shock or fire prevent electric shock do not touch the attachment plug power switch or other electrical parts with damp hands Failure to use a proper breaker or fuse can result in a tripped breaker blown fuses or dama
22. rding the packing materials Dispose of all packing materials in a proper and environmentally responsible manner 3 Check for missing or damaged accessories 4 To remove the unit from the pallet a Move as close to the final location as possible b Remove the bolts that secure the cabinet to the pallet c Block the cabinet securely at a height of 8 inches 203 mm off the floor d Attach the casters or adjustable legs to the bottom of the cabinet as necessary 5 Remove the protective plastic film from the exterior and interior If the unit has been exposed to the sun or to heat remove the film after the unit cools Opening and Removing Front Panel 1 Grip outer edge of the front panel near the bottom and top and pull open approximately 1 2 inch 13 mm until it is disengaged 2 Swing the panel open completely and lift up approximately 1 2 inch 13 mm to remove completely C Moving the Unit in a Narrow Elevator or Hallway Hoshizaki undercounter and worktop models have a cartridge type removable refrigeration unit When the space in an elevator or hallway is limited the unit can be carried as follows 1 Turn off the power supply and unplug the unit Refrigeration Unit 2 Remove the front panel then remove the wire guard located below the display panel 3 Unhook the wiring connectors at the control box then remove the two hex head M6 attachment nuts and the M5 bolt 4 Very carefully slide out the refrig
23. sounds from compressor condenser fan motor or evaporator fan motor This is not a sign of failure e Installed on an unsteady floor Contact an authorized Hoshizaki service company Not leveled in the left to right or front to rear directions Contact an authorized Hoshizaki service company 18 lll Cleaning and Maintenance Instructions A Cleaning WARNING Do not splash water directly onto the unit This might cause short circuit electric shock corrosion or failure When cleaning or inspecting the unit turn OFF the Power Switch and unplug the unit or disconnect the main power source to prevent electric shock by unexpected entrance of water into the unit or injury by any moving parts prevent frostbite do not touch foods or containers especially metallic in the freezer compartment with damp hands Before using a sanitizer such as inert soap and sodium hypochlorite thoroughly read the manufacturer s instructions on the proper usage and amount IMPORTANT prevent damage to the painted or plastic surfaces do not use the following thinner benzine alcohol petroleum soap powder polishing powder alkaline cleaner acid scouring pad and especially those strong cleaners for use on a ventilating fan or a cooking range Also to prevent corrosion do not use a chlorine bleach such as sodium hypochlorite on the stainless steel surfaces Use clean cloth and hands for cleaning Before
24. th drawers the temperature differential for the compressor to turn off is 3 6 F 2 0 C below the setpoint For refrigerators it is 4 5 F 2 5 C below the setpoint for auxiliary code Q5 and before and 3 6 F 2 0 C below the setpoint for auxiliary code Q6 and later 3 Alarm Codes See the troubleshooting section for an explanation of the alarm codes 4 Defrost This unit is preset at the factory to defrost every 6 hours for general conditions the first defrost occurring 6 hours after power to the unit is turned on Note that the defrost is a heated defrost and therefore will have a tendency to raise the cabinet temperature Cabinet temperature is not displayed during defrost dF is displayed in its place Defrost may be initiated manually by holding down the MANUAL DEFROST button for 5 seconds 14 5 Start up Delay The start circuit of the compressor is timed such that at power up and during any compressor off time there will be at least a 2 minute delay before the compressor will start 6 Compressor Short Cycle Timer There is a2 minute minimum off time and on time for the compressor Note Any time the compressor is started it will keep running for a minimum of 2 minutes Any time the compressor is turned off it will stay off for a minimum of 2 minutes Time may vary with pressure switch activation 7 Safety Devices a Pressure Switch When pressure on the high side of the unit is detected to
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