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Explanation for Model Name

* * * - * * * * * * - * * *

Product Classification

Door Type

HRE: Refrigerator

HD: Half door type

HFE: Freezer

LD: Long door type

HRFE: Refrigerator/Freezer

Power Supply Type

C: Chinese Plug (220V±10% 50Hz)
S: UK Plug (230V±10% 50Hz)
T: Taiwanese Plug (220V±10% 60Hz)
P: Philippine Plug (230V±10% 60Hz)

Custom Type

F: Two freezer compartments

Body Dimensions

Product Type

Width Depth

B: High class series

70: 700 mm

800 mm

MA: A-FIT series

77: 700 mm

750 mm

127:  1200 mm  750 mm
140:  1400mm  800 mm
147:  1400 mm  750 mm
187:  1800mm  750 mm

Содержание HFE-127MA-CHD

Страница 1: ...NO R262 841 ISSUED MAY 31 2011 REVISED APR 30 2014 HOSHIZAKI COMMERCIAL REFRIGERATOR FREEZER SERVICE MANUAL MODEL HRE MA series HFE MA series HRFE MA series ...

Страница 2: ...87MA CHD 16 d HFE 77MA CHD 16 e HFE 127MA CHD HFE 147MA CHD 17 f HFE 187MA CHD 17 g HRFE 77MA CHD 18 h HRFE 127MAF CHD HFE 147MAF CHD 19 i HRFE 187MAF CHD 20 Forced drain water evaporation models 21 j HRE 77MA CHD 21 k HRE 127MA CHD HRE 147MA CHD 22 l HRE 187MA CHD 23 m HFE 77MA CHD 24 n HFE 127MA CHD HFE 147MA CHD 25 o HFE 187MA CHD 26 2 REFRIGERATION CIRCUIT 27 3 ELECTRONIC CONTROLS 29 a SET POI...

Страница 3: ...ONTROLLER 49 b CHECKING THERMISTOR 50 IV REMOVAL AND REPLACEMENT OF COMPONENTS 51 1 CONTROLLER AND THERMISTOR 51 a CONTROLLER 51 b THERMISTOR 51 2 REFRIGERATION CIRCUIT 54 a COMPRESSOR 54 b CONDENSER AND DRIER 54 c EVAPORATOR 55 d CONDENSER FAN MOTOR 55 e DEFROST HEATER AND THERMAL FUSE 56 3 AIR DUCT 57 a AIR DUCT 57 b INTERIOR FAN MOTOR Except HRFE 77MA 58 c INTERIOR FAN MOTOR HRFE 77MA 59 4 DOOR...

Страница 4: ...r Power Supply Type C Chinese Plug 220V 10 50Hz S UK Plug 230V 10 50Hz T Taiwanese Plug 220V 10 60Hz P Philippine Plug 230V 10 60Hz Custom Type F Two freezer compartments Body Dimensions Product Type Width Depth B High class series 70 700 mm 800 mm MA A FIT series 77 700 mm 750 mm 127 1200 mm 750 mm 140 1400mm 800 mm 147 1400 mm 750 mm 187 1800mm 750 mm ...

Страница 5: ...eaning be sure to unplug the unit or disconnect the main power supply before servicing the unit to prevent electric shocks 3 If the unit must be energized for inspection of the electric circuit use rubber gloves to avoid contact with any live parts resulting in electric shocks 4 Keep the following in mind when servicing the refrigeration circuit 1 Be sure to recover the refrigerant Do not discharg...

Страница 6: ...hocks 4 Be sure to replace damaged or deteriorated power cords and lead wires to prevent fire heat or electric shocks 5 Cut off lead wires must be bound using closed end connectors or the like with their closed ends up to avoid entrance of moisture that could lead to electric leaks or fire 6 After servicing always use a megohmmeter 500V DC to check for the insulation resistance of at least 1 megoh...

Страница 7: ...3 2 DIMENSIONS SPECIFICATIONS Representative standard models only a HRE 77MA CHD Model Code R262 C501 ...

Страница 8: ...4 b HRE 127MA CHD Model Code R263 C501 参考図ホシザキ電機 2013 09 16 ...

Страница 9: ...5 c HRE 147MA CHD Model Code R264 C501 ...

Страница 10: ...6 d HRE 187MA CHD Model Code R265 C501 ...

Страница 11: ...7 e HFE 77MA CHD Model Code R266 C501 ...

Страница 12: ...8 f HFE 127MA CHD Model Code R267 C501 ...

Страница 13: ...9 g HFE 147MA CHD Model Code R268 C501 ...

Страница 14: ...10 h HFE 187MA CHD Model Code R269 501 ...

Страница 15: ...11 i HRFE 77MA CHD Model Code R281 C501 ...

Страница 16: ...12 j HRFE 127MAF CHD Model Code R282 C501 ...

Страница 17: ...13 k HRFE 147MAF CHD Model Code R283 C501 ...

Страница 18: ...14 l HRFE 187MAF CHD Model Code R284 C501 ...

Страница 19: ...AL INFORMATION 1 WIRING DIAGRAM Standard models model names and model codes for representative models only a HRE 77MA CHD Model Code R262 C501 b HRE 127MA CHD Model Code R263 C501 HRE 147MA CHD Model Code R264 C501 ...

Страница 20: ...16 d HFE 77MA CHD Model Code R266 C501 c HRE 187MA CHD Model Code R265 C501 ...

Страница 21: ...17 e HFE 127MA CHD Model Code R267 C501 HFE 147MA CHD Model Code R268 C501 f HFE 187MA CHD Model Code R269 501 ...

Страница 22: ...18 g HRFE 77MA CHD Model Code R281 C501 ...

Страница 23: ...19 h HRFE 127MAF CHD Model Code R282 C501 HRFE 147MAF CHD Model Code R283 C501 ...

Страница 24: ...20 i HRFE 187MAF CHD Model Code R284 C501 ...

Страница 25: ...21 Forced drain water evaporation models model names and model codes for representative models only j HRE 77MA CHD Model Code R262 C571 ...

Страница 26: ...22 k HRE 127MA CHD Model Code R263 C571 HRE 147MA CHD Model Code R264 C571 ...

Страница 27: ...23 l HRE 187MA CHD Model Code R265 C571 ...

Страница 28: ...24 m HFE 77MA CHD Model Code R266 C571 ...

Страница 29: ...25 n HFE 127MA CHD Model Code R267 C571 HFE 147MA CHD Model Code R268 C571 ...

Страница 30: ...26 o HFE 187MA CHD Model Code R269 C571 ...

Страница 31: ...rier Compressor Heat Exchange Fan Motor Condenser Evaporator Drier Compressor Refrigerator Evaporator Heat Exchange Condenser Drier Refrigerant HFC 134a HRE series HRFE refrigerator HFC 404A HFE series HRFE freezer There may be exceptions for some customized models HRE HFE HRFE 77MA ...

Страница 32: ...28 HRFE 127 147 187MAF Compressor Freezer Heat Exchange Fan Motor Condenser Evaporator Drier Compressor Refrigerator Heat Exchange Fan Motor Condenser Evaporator Drier ...

Страница 33: ... cabinet temperature will be around the set point temperature 2 C c DEFROST CYCLE The unit automatically defrosts the evaporator 3 hours refrigerator or 6 hours freezer after the refrigeration starts The defrost indicator light on the operation panel comes on when the defrost cycle starts d DEFROST TERMINATION TEMPERATURE Off cycle defrost HRE series HRFE series refrigerator 5 Heater defrost HFE s...

Страница 34: ...ol When the compressor turns off during normal control it has a mandatory 3 minute delay before startup For example if the compressor turns off by its thermistor and the door is opened immediately after causing the cabinet temperature to immediately exceed the restart temperature the compressor will still not start until 3 minutes have passed since its shutdown g HIGH PRESSURE SWITCH HFE series HR...

Страница 35: ...s the set key again to display the set point temperature on the screen After 10 seconds the screen displays the cabinet temperature again Use the controller on the left side to set the refrigerator compartment temperature Refer to the standard model instruction manual for temperature setting details Use the controller on the right side to set the freezer compartment temperature Refer to the standa...

Страница 36: ...Defrost termination temperature is invalid Press any key to stop beep See III 1 ERROR CODES for further details HFE series HRFE series freezer Code Possible Cause Operation and Remedy HHH Cabinet sensor interior thermistor error Compressor cycles on for 45 minutes and off for 15 minutes Check cabinet temperature See III 1 ERROR CODES for further details LLL HHH With 6 down key pressed Cabinet sens...

Страница 37: ...or HRE series HRFE series refrigerator Interior Fan Motor Interior Thermistor Temp Set Point Temp 4 K Set Point Temp HFE series HRFE series freezer 1 min Drain Pipe Heater Interior Fan Motor Interior Thermistor Temp Set Point Temp 4 K Set Point Temp 1 Standby at Startup Only temperature indication is available for 3 min not a sign of failure ...

Страница 38: ...FE series freezer Heater defrost Frame Heater Compressor Condenser Fan Motor Interior Fan Motor Defrost Heater Duct Heater Detects end of cycle 30 C 20 C for HFE 187MA Defrost Interior Thermistor Temp Defrost Drain Until Thermistor detects 10 min 5 min 3 min Temp Display Temp dF Temp Forced drain water evaporation model only Evaporation HRE HFE Signal Evaporation Pan Heater Evaporation Pan Thermos...

Страница 39: ...el keypad lock function 55 NC F02 Temperature value setting 2 to 12 1 C F03 Temperature return difference setting 1 to 15 4 C F04 Delay time of compressor startup 1 to 15 3 min F05 Cabinet temperature calibration 5 to 5 1 C F06 Maximum defrost time 1 to 60 60 min F07 Defrost cycle 1 to 30 6 30 min F08 Defrost termination temperature 20 to 30 5 C F09 Whether activate evaporator sensor or not 00 ina...

Страница 40: ...sor 2 After entering the menu setting status press the up or down key to choose the desired menu item from F01 to F09 3 After choosing the desired menu item press the set key to set parameter value Press the up or down key to adjust parameter value and then repress the set key to go back to the menu setting status 4 Under the setting status press the defrost reset key or perform no operation for 3...

Страница 41: ...en the cabinet sensor errors happen the controller will flashing indicate the alarm code E1 with the buzzer doing nothing close the compressor when the troubleshooting is over system will recalculate the compressor delay time When the door trip alarms the controller will flashing indicate the alarm code E2 with the buzzer ringing after running the time of F5 Alarm code Reason Output mode E1 Cabine...

Страница 42: ... Setting Mode Set Enter parameter setting Save parameter and return to setting interface Set 3 sec Enter user setting Exit setting Exit setting Set Down 10 sec Enter administrator setting Down Check menu item Calibrate parameter Down 3 sec Fast forward menu item Quickly calibrate parameter Up Upload copy key Check menu item Calibrate parameter Up 3 sec See Note Start stop forced refrigeration Fast...

Страница 43: ...20 Defrost termination temp only HFE 187MA dFd Rt 0 Normal display of room temp It 1 Defrost start temp SEt 2 Display set point dEF 3 Display dF dEF Display delay after defrosting dAd 0 to 255 min 18 Display delay time after defrosting Fdt 0 to 255 min 10 Draining time after defrost dPo y 0 Immediately n 1 Later n Defrost cycle at initial startup dAF 0 to 24 hrs 0 Defrost delay after forced refrig...

Страница 44: ...Compressor delay time exceeds the set delay time b Under non defrost mode the room temperature is higher than the set point temperature return difference c Forced refrigeration starts when the room temperature is higher than the set point temperature d In defrost cycle Stop condition Compressor relay opens when any of the following conditions is met a Room temperature is lower than the set point t...

Страница 45: ...larm temperature limit and the set alarm delay time runs out LED displays HHH when the room temperature exceeds the upper limit of measured temperature or the thermistor short circuits and runs out of the thermistor error delay time LED displays LLL when the room temperature is lower than the lower limit of measured temperature or the thermistor short circuits and runs out of the thermistor error ...

Страница 46: ...ibit using the machine under the environment of over damp high temp strong electromagnetism interference or strong corrosion Notices 1 The power supply should conform to the voltage value indicated in the instruction and make sure the power supply steady 2 To avoid the possible interference the sensor down lead and power wire should be kept a distance Size 1 Product size 75 34 5 85mm 2 Mounting si...

Страница 47: ...sible Cause Reset HHH Interior thermistor defective Repeats starting and stopping operation at certain interval Interior thermistor circuit shorted dusty connector Automatically resets after cause is removed LLL Repeats starting and stopping operation at certain interval Interior thermistor circuit open connector unplugged Automatically resets after cause is removed HHH With 6 down key pressed Def...

Страница 48: ...ntilation 14 Air Filter Clogged Internal load too large Door gap 4 Interior Thermistor Location 9 Interior Fan Motor Open circuit defective 2 Controller Defective 12 Refrigeration Circuit Capillary drier 13 Refrigerant Leak 8 Condenser Fan Motor Locked open circuit 7 Compressor Defective Poor refrigeration Slow refrigeration Set point is reached Interior overloaded Set point is not reached See Com...

Страница 49: ...ot energized Open circuit Frame heater is energized Duty ratio too high Water leak from rear Drain water is not evaporated Sheath heater is not energized 17 Cam Timer HRE only Open circuit defective 16 Thermostat Contact 3 Relay Output 11 Thermal Fuse Conductivity 15 Sheath Heater Open circuit defective ...

Страница 50: ...kly every forced refrigeration After cancellation 0 5 second No button defrost cycle starts automatically operation See II 5 b No error indication Ambient temp too high Condensing capacity insufficient Heat source ventilation 14 Air Filter Clogged Internal load too large Door gap 4 Interior Thermistor Location 9 Interior Fan Motor Open circuit defective 2 Controller Defective 12 Refrigeration Circ...

Страница 51: ... output interior fan motor Replace See wiring label Connector disconnected Correct Connector dusty dirty Remove 7 segment display partially totally off Replace Electronic parts defective burnt out 3 Relay Fast on terminal pin disconnected Correct Connector dusty dirty Remove Open circuit Correct Output to each load Replace Check with wiring diagram timing chart Abnormal noise 4 Interior Thermistor...

Страница 52: ...or Open circuit Correct Locked not rotating with voltage Replace Abnormal noise Burning smelｌ 9 Interior Fan Motor Open circuit Correct Locked not rotating with voltage Replace Abnormal noise Burning smelｌ 10 Defrost Heater Open circuit Correct Conductivity Insulation resistance 1MΩ or more at 500V Replace 11 Thermal Fuse Conductivity Replace Contact welding of relay Replace relay 12 Refrigeration...

Страница 53: ...arth before servicing Electrostatic discharge will cause severe damage to the controller The controller and thermistor can be replaced separately Do not drop the controller on the floor The thermistor and pressure switch leads have a thin coating and are potentially breakable Do not tension the leads The connectors must not be subjected to tension to prevent disconnection or breakage After servici...

Страница 54: ... container 3 Use the Ω range of the tester to measure the resistance between the thermistors 4 If the measured resistance is not within 25 30 kΩ standard 27 kΩ replace the thermistor see the T R curve below T R Curve Interior Defrost Thermistor The graph shows reference values only and may differ from actual values 0 10 20 30 40 50 60 70 80 90 100 110 120 40 30 20 10 0 10 20 30 40 50 60 70 80 Temp...

Страница 55: ...the air duct inside the cabinet See 3 a AIR DUCT 2 Remove the interior thermistor bulb on the ceiling in front of the evaporator by unhooking the two tabs securing the thermistor holder 3 Remove the defrost thermistor bulb inside the evaporator fins by pinching off the thermistor holder 4 Pull out the thermistors through the hole in the refrigeration unit base Be careful not to press hard on the b...

Страница 56: ...low for indication Interior Thermistor Bulb Location Defrost Thermistor Bulb Location Interior Thermistor Sensor Vinyl Tape White Terminal Side Defrost Thermistor Fan Motor Side 70 Bottom 150 Defrost Thermistor Fan Motor Side Bottom HRE HRFE 127 147 187MAF refrigerator HFE HRFE 77MA 127 147 187MAF freezer ...

Страница 57: ...53 HRFE 77MA refrigerator Defrost Thermistor Interior Thermistor ...

Страница 58: ...exagon bolts securing the compressor 8 To replace the removed parts reverse the above procedure b CONDENSER AND DRIER 1 Unplug the unit 2 Remove the front panel 3 Recover the refrigerant from the low side access valve 4 Unscrew the condenser 5 Disconnect the condenser from the upper inlet pipe connection using brazing equipment 6 Remove the condenser and drier from the refrigeration unit base and ...

Страница 59: ...e evaporator 8 To replace the removed parts reverse the above procedure d CONDENSER FAN MOTOR 1 Unplug the unit 2 Remove the front panel 3 Disconnect the condenser fan motor 4 Remove the two screws securing the bracket on the refrigeration unit base 5 Pull up the fan motor together with the bracket 6 Loosen the nut securing the fan motor shaft and remove the fan motor 7 Remove the fan motor from t...

Страница 60: ...ator bottom by loosening the screws at the front and unhooking the backside 6 Remove the defrost heater from the evaporator by pulling each U bend from the front to the back 7 Unscrew and remove the thermal fuse from the evaporator and bracket 8 Pull out the wire through the hole in the refrigeration unit base 9 To replace the removed parts reverse the above procedure Note Locate the defrost heate...

Страница 61: ... a gasket in the drain pipe and must be pulled hard to remove 3 To prevent tension on the wires place the removed air duct on a shelf 4 To replace the air duct first insert the drain pipe into the drain outlet at the rear of the unit 5 Fit the air duct in the back 6 Tighten all the screws Note Be careful not to catch the interior fan motor leads in the air duct Gasket HFE only ...

Страница 62: ...over and remove the fan cover 7 Remove the interior fan motor from the air duct 8 To replace the removed parts reverse the above procedure Keep the fan 5 mm from the end of the motor shaft as shown Cover the interior fan motor leads with the insulation tube as a cushion through the hole in the refrigeration unit Note To prevent the leads from being caught between the fan blades fix the leads with ...

Страница 63: ...fan motor 5 Cut the fan motor leads at their connection Keep the lead re connectable 6 Loosen the screws securing the fan cover and remove the fan cover 7 Remove the interior fan motor from the air duct 8 To replace the removed parts reverse the above procedure Note 1 To prevent water from coming in the lead terminals must be caulked and covered with plastic bag Be sure to connect the leads outsid...

Страница 64: ...ase or equivalent food grade grease If the lift hinge is severely worn out replace the hinge collar lift hinge on both the door and hinge sides Apply White Alcom Grease also when the door is replaced in the field c DOOR GASKET To replace the door gasket 1 Pinch and pull out the door gasket from the corners 2 Push the convex of the new door gasket into the concave of the door interior Insert the co...

Страница 65: ...er off the drain tank 5 Lift off the drain tank heater together with the heater bush from the drain tank flange 6 Remove the heater bush from the drain tank heater 7 To replace the removed parts reverse the above procedure b THERMOSTAT 1 Unscrew the thermostat attached to the drain tank bottom 2 Cut the thermostat leads at their connection 3 To replace the removed parts reverse the above procedure...

Страница 66: ...cloth to prevent wastewater from splashing around especially the compressor and condenser fan motor The cleaning pan has a capacity of about 1 L and takes 1 minute to drain Do not allow a large amount of water into the cleaning pan The cleaning pan is not provided in the unit and must be ordered by the following part numbers Cleaning Pan A 354309G01 Cleaning Pan B 354310G01 for connection only Dim...

Страница 67: ...SUS H 90 4Y2043 01 4 pcs 6 pcs c CASTER Width 700 1200 1400mm 1800mm Caster P00635 01 4 pcs 6 pcs Plain Washer FWPL20F0 4 pcs 6 pcs Spacer Caster 471512M01 4 pcs 6 pcs Spanner 471513M01 1 pc 1 pc To adjust the height of the unit use the spanner accessory to loosen the casters and insert the spacers accessory The unit should always be level from side to side and back to front All the four casters a...

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