Hoshizaki HFE-140B Series Скачать руководство пользователя страница 51 | Manualshive

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7. CONDENSER CLEANING PAN

The Condenser is designed to allow the Cleaning Pan at the bottom.

* Insert the Cleaning Pan (wastewater pan), and connect the Drain Hose to the drain

outlet. Use the Cleaning Pan (A) for the 280 mm wide Condenser [HRE-70B,
HRE-140B, HFE-70B], and connect the Cleaning Pan (A) and Cleaning Pan (B) for the
500 mm wide Condenser [HFE-140B].

* Cover the Cleaning Pan with a waste 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

Dimensions:

W280 x D255 x H16 (t 0.8) mm

Drain Outlet:

16 mm OD x 14 mm ID

Drain Hose:

16 mm DIA

Capacity: 1.0

L

8. OPTIONAL PARTS

[a] HINGE KIT

The Door Hinges for HRE-70B and HFE-70B can be moved to the other side of the Door
by using the following Hinge Kit. Please note that these Door Hinges are not
interchangeable with those for HRE-70A and HFE-70A.

Hinge Kit (R)

Door Hinge (R) - Lo

363989G01

1 pc

Door Hinge (R) - Up

339968G01

1 pc

Hinge Collar - Hinge

339948-01

2 pcs

Hinge Kit (L)

Door Hinge (L) - Lo

363991G01

1 pc

280 mm

510 mm

Insert

Cleaning Pan (A)

Cleaning Pan (A)

Cleaning Pan (B)

255 mm

280 mm

16 mm

16 mm OD

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Содержание HFE-140B Series

Страница 1: ...NO R003 746 ISSUED DEC 11 2007 REVISED DEC 1 2008 HOSHIZAKI COMMERCIAL REFRIGERATOR FREEZER SERVICE MANUAL MODEL HRE 70B F HRE 140B F HFE 70B HFE 140B ...

Страница 2: ... 17 c CONTROLLER BOARD 17 d REFRIGERATION UNIT 17 4 ELECTRONIC CONTROLS 18 a SET POINT TEMPERATURE 18 b CABINET TEMPERATURE DIFFERENTIAL 18 c DEFROST CYCLE 18 d DEFROST COMPLETION TEMPERATURE 18 e TEMPERATURE DISPLAY CYCLE 18 f COMPRESSOR SOFT START 19 g HIGH PRESSURE SWITCH 19 h CHECKING AND ADJUSTING SET POINT TEMPERATURE 20 i MANUAL DEFROST 20 j FRAME HEATER SETTING 20 k CANCELLING SOFT START 2...

Страница 3: ...OX 39 b REPLACEMENT OF CONTROL BOX 39 c THERMISTOR 39 2 RELAY BOX 41 a POWER SUPPLY BOARD 41 3 REFRIGERATION CIRCUIT 41 a COMPRESSOR 41 b CONDENSER AND DRIER 42 c EVAPORATOR 42 d CONDENSER FAN MOTOR 43 e DEFROST HEATER AND THERMAL FUSE HFE 43 4 EVAPORATION TANK 44 a DRAIN TANK HEATER 44 b THERMOSTAT 45 c THERMAL FUSE 45 5 AIR DUCT 45 a AIR DUCT 45 b INTERIOR FAN MOTOR 46 6 DOOR PARTS 46 a DOOR HAN...

Страница 4: ...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 5: ...ocks 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 megohm...

Страница 6: ... 2 DIMENSIONS SPECIFICATIONS a HRE 70B ...

Страница 7: ... b HRE 140B ...

Страница 8: ... c HFE 70B ...

Страница 9: ... d HFE 140B ...

Страница 10: ... e HRE 70B F ...

Страница 11: ... f HRE 140B F ...

Страница 12: ... II TECHNICAL INFORMATION 1 WIRING DIAGRAM a HRE 70B ...

Страница 13: ...10 b HRE 140B ...

Страница 14: ...11 c HFE 70B ...

Страница 15: ...12 d HFE 140B ...

Страница 16: ...13 e HRE 70B F ...

Страница 17: ...14 f HRE 140B F ...

Страница 18: ...15 2 REFRIGERATION CIRCUIT Refrigerant HFC 134a HRE series HFC 404A HFE series ...

Страница 19: ...inet temperatures mean the higher duty ratios The unit is factory adjusted to level 2 The user is allowed to choose between levels 2 and 3 only and service persons between levels 0 6 HRE series or 1 6 HFE series Reference Level 2 No condensation at ambient temperature 35 C relative humidity 70 Level 3 No condensation at ambient temperature 35 C relative humidity 80 Duty Ratio ON time sec OFF time ...

Страница 20: ...W with the same output Also the lower heating value prevents cabinet temperature rise and improves the refrigeration unit operating efficiency resulting in energy saving effects c CONTROLLER BOARD To save energy HRE series stops energizing the Frame Heater for a maximum of 15 minutes during a defrost cycle HFE series has an energizing control d REFRIGERATION UNIT Provided with the best matched Cap...

Страница 21: ...EFROST CYCLE Every 6 hours from the beginning of a cycle to the beginning of the next cycle d DEFROST COMPLETION TEMPERATURE Off cycle defrost HRE series 3 C Heater defrost HRE F series 30 C Heater defrost HFE series 20 C e TEMPERATURE DISPLAY CYCLE The Temperature Display Window renews its cabinet temperature display every 30 seconds The display remains the same for 30 seconds even if the actual ...

Страница 22: ...ce the load on the Compressor so that it can start easily in case of a short especially instantaneous power failure 2 Normal Control 2 5 min 2 5 min Compressor Condenser Fan Motor Interior Thermistor Set Point ON OFF When the Compressor turns off during normal control it has a mandatory 2 5 minute delay before startup For example if the Compressor turns off by its Thermistor and the Door is opened...

Страница 23: ...he Manual Defrost Button is pressed for more than 5 seconds the unit will start a manual defrost cycle The unit will start repeating automatic defrost cycles 6 hours after the Manual Defrost Button is pressed To cancel the manual defrost cycle turn off the power supply Wait for at least 30 seconds before turning the power back on j FRAME HEATER SETTING The duty ratio of the Frame Heater is control...

Страница 24: ...the power supply is turned off l ERROR CODES In case of trouble the Temperature Display Window will alternately flash every second between one of the following error codes and the cabinet temperature See III 1 ERROR CODES for further details Code Error Code Error E1 Cabinet Temperature Too High E7 Condenser Clogged E2 Cabinet Temperature Too Low E8 Defrost Thermistor Defective E3 Defrost Cycle Too...

Страница 25: ...otor Delay at Startup Interior Fan Motor and Frame Heater will not operate for 20 sec after Compressor starts Interior Fan Motor OFF after End of Control Interior Fan Motor will not operate for 2 min 4 Evaporation Signal HRE series Cam Timer for 7 min every 8 hrs HRE F series HFE series Defrost start signal every 6 hrs HRE HFE series 2 3 3 min 20 sec Power Supply Temp Display Frame Heater Compress...

Страница 26: ...mp Defrost until Thermistor detects Temp Display Temp Temp and dF alternately Temp HFE series 2 Update 3 20 sec OFF duty ratio Maintain previous duty ratio Update duty ratio Frame Heater Compressor Condenser Fan Motor Interior Fan Motor Defrost Heater Duct Heater Detects end of cycle 20 C Defrost Thermistor Temp Defrost Drain Interior Display until Thermistor detects 0 min FM delay delay 5 min 3 m...

Страница 27: ...il Interior Fan Motor delay ends HFE Prevent condensation Interior Fan Motor 4 Remains ON for 15 sec after Compressor starts following drain cycle HRE F Heater defrost Improve Compressor startability HRE F series Heater defrost 2 20 sec OFF 3 Update 1 duty ratio Max 15 min OFF duty ratio Update duty ratio Frame Heater Compressor Condenser Fan Motor 4 5 sec ON Interior Fan Motor Defrost Heater Dete...

Страница 28: ...rror press to cancel one by one Constant Frame Heater Long 3 sec Change Frame Heater level High Lamp ON raise default duty ratio by 1 level Low Lamp OFF default c CHECKING AND DELETING ERROR RECORDS To check error records 1 Press the Reset Button and Set Point Button at the same time for 5 seconds Reset Button first The Temperature Display Window will show F0 Temperature Control Button Temperature...

Страница 29: ...ne record For example errors in the order of E7 E7 E7 E4 E7 are recorded as E7 E4 E7 d ADJUSTING OPERATION SETTINGS The following settings are adjustable 1 Set Point Temperature 2 Frame Heater Duty Ratio Level 3 Soft Start Cancelation 4 Automatic Defrost Cycle Interval 5 E1 Cabinet Temperature Too High Occurrence Timing 6 E2 Cabinet Temperature Too Low Occurrence Timing 7 Buzzer Output External Ou...

Страница 30: ... is turned on Note If the power supply is turned off while the Compressor is running and immediately turned back on to cancel the soft start the high side and low side pressures cannot be equalized often resulting in Compressor starting failure Do not cancel the soft start for at least 2 5 minutes after the power supply is turned off 4 9 These adjustments are available by the following button oper...

Страница 31: ...error records E1 EE every 0 5 sec for 1 sec each max 8 records per compartment 2 Press Reset Button for more than 5 sec to delete error records 3 Press Manual Defrost Button to indicate F6 Fb Buzzer Output External Output AL Buzzer output for all errors default setting 1 2 Buzzer output for E1 and E2 only FC Defrost Backup Timer duration until forced de energization of Defrost Heater No backup no ...

Страница 32: ...ff the power supply and go back to step 2 4 Press the Reset Button for more than 3 seconds The Temperature Display Window will flash rc 5 Press the Reset Button again for more than 3 seconds The Temperature Display Window will flash oF 6 Turn off the power supply To check the model setting number 1 Hold down the Set Point Button and turn on the power supply 2 The Temperature Display Window will il...

Страница 33: ...ton Automatically resets when cabinet temp drops to lower limit E2 Cabinet Temp Too Low Cabinet temp stays 5K below set point for 1 hr Compressor control error Interior Thermistor defective Ambient temp too low Too many frozen items inside Press Reset Button Automatically resets when cabinet temp rises to upper limit E3 Defrost Cycle Too Long HFE series only Defrost Heater remains energized for 1 ...

Страница 34: ...ermistor Defective Defrost Thermistor circuit is open or shorted for 10 min or more Defrost Thermistor circuit open connector unplugged Defrost Thermistor circuit shorted dusty connector Automatically resets after cause is removed Reset Button will not work E9 Clog Thermistor Defective Clog Thermistor circuit is open or shorted for 10 min or more Clog Thermistor circuit open connector unplugged Cl...

Страница 35: ...ority EA Ed E5 E8 E9 E4 E7 E3 E1 E2 Error Detection Set Point HRE HFE R 134a R 404A E4 High pressure Clog Thermistor Immediately at 78 C Clog Thermistor Immediately at 73 C 5 min above 70 C E7 Clog Clog Thermistor 5 min above 56 C Clog Thermistor 5 min above 56 C ...

Страница 36: ...y Condenser Fan Motor output Clog Thermistor Abnormal resistance bad contact Pressure Switch HFE Defective No error indication See E4 error indication record above Interior Thermistor Location Compressor Locked etc Compressor runs with no E7 error indication record Ambient temp too high refrigeration high condensing temp Condensing capacity insufficient Heat source ventilation Air Filter Clogged C...

Страница 37: ...continuously E5 error indication record Interior Thermistor Open circuit short circuit High temp indication Interior Thermistor Location Normal temp indication Interior Thermistor Abnormal resistance Controller Board Defective Compressor stops No error indication Cold air outlet loaded Cold air inlet blocked Ambient temp too low Abnormal noise Compressor Condenser Fan Motor Interior Fan Motor Cond...

Страница 38: ... of Evaporator Correct Disconnected replaced with Defrost Thermistor etc Incorrect temp indication Immerse in ice water to check resistance 5 6 5kȍ Replace if necessary Short circuit temp displayed as HH Clean dry connector Replace Open circuit temp displayed as 60 Replace Clog Thermistor Abnormal resistance Immerse in ice water to check resistance 150 180kȍ Replace if necessary Short circuit Clea...

Страница 39: ...e Condenser Fan Motor Open circuit Correct Locked not rotating with voltage Replace Internal fuse blown coil not conductive Replace Abnormal noise Replace Interior Fan Motor Open circuit Correct Locked not rotating with voltage Replace Abnormal noise Replace Defrost Heater Open circuit Correct Conductivity Replace Insulation resistance 1Mȍ or more at 500V Replace Thermal Fuse Conductivity Replace ...

Страница 40: ...the floor To protect the pattern from damage place the Controller Board on a flat surface The Thermistor and Pressure Switch leads have a thin coating and potentially breakable Do not tension the leads The connectors must not be subjected to tension to prevent disconnection or breakage After servicing the Controller Board check for disconnected connectors The Thermistor is provided with single wir...

Страница 41: ...e water for 5 minutes at the center of the container 3 Use the Ω range of the tester to measure the resistance between the Thermistors 4 If the measured resistance is not within Interior Defrost Thermistor 5 6 5 kΩ standard 6 kΩ Clog Thermistor 150 180 kΩ standard 162 kΩ replace the Thermistor see the T R curve below T R Curve Interior Defrost Thermistor T R Curve Clog Thermistor The graph shows r...

Страница 42: ...a SERVICING CONTROLLER BOARD 2 Replace the Controller Board in the reverse order of the removal procedure with the following points in mind To replace the Control Box be sure to hook the two tabs on the grips Plug in the connectors until they lock in place Keep the wires inside the Rear Cover 3 Check that the Operation Panel is securely mounted 4 After replacing the Controller Board be sure to mak...

Страница 43: ...e center or outlet of the Condenser 6 Remove the Control Box and disconnect the Thermistor connectors Note 1 To replace the removed parts reverse the above procedure 2 To prevent the Evaporator from freezing use the Bush Thermistor to securely plug the wiring hole in the Refrigeration Unit Base Interior Thermistor Bulb Location Defrost Thermistor Bulb Location HRE Off cycle defrost HFE Interior Th...

Страница 44: ...te 1 The Power Supply Board is connected to a commercial power supply Be sure to disconnect the power supply before servicing 2 Some parts may have become hot just after operation Handle with care 3 REFRIGERATION CIRCUIT a COMPRESSOR 1 Unplug the unit 2 Remove the Front Panel 3 Remove the Top Panel 4 Remove the Protector Cover enclosing the electrical parts Remove the Overload Relay Starting Relay...

Страница 45: ...ve procedure Note The Capillary Tube is directly brazed to the Drier To prevent brazing material from clogging be sure to insert the Capillary Tube securely into the point of Stopper before brazing c EVAPORATOR 1 Unplug the unit 2 Remove the Front Panel 3 Recover the refrigerant from the low side Access Valve 4 Remove the Insulation Hoses on the Refrigeration Unit Base Disconnect the Evaporator us...

Страница 46: ... for abnormal noise or vibration noise by trial run e DEFROST HEATER AND THERMAL FUSE HRE F Heater defrost HFE 1 Unplug the unit 2 Disconnect the Defrost Heater at the back of the Refrigeration Unit The Defrost Heater and Thermal Fuse are connected in series and interchangeable without any operational problems 3 Remove the putty from the wire hole in the Refrigeration Unit Base and put the connect...

Страница 47: ...Unplug the unit 2 Unscrew and remove the Rear Panel 3 Unscrew the upper part of the Evaporation Tank Cover and lift off the Cover a DRAIN TANK HEATER 1 Unscrew and remove the Drain Tank Duct 2 Unscrew the Drain Tank Flange securing the Drain Tank Heater 3 Cut the Drain Tank Heater leads at their connection 4 Lift the Drain Tank Heater off the Drain Tank 5 Lift off the Drain Tank Heater together wi...

Страница 48: ...th 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 For the freezer compartment move the Gasket backward before inserting the Drain Pipe 5 Position the Air Duct to fit the six hooks on both sides Keep the Air Duct sl...

Страница 49: ...sulation 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 the Wire Retainer inside the Air Duct before fitting the Air Duct 6 DOOR PARTS a DOOR HANDLE The Door Handle is replaceable Order the new Door Handle and two Handle Caps The Handle Caps are damaged when removed and need to be replaced together ...

Страница 50: ... out Lift Hinge hinders smooth Door closing apply White Alcom Grease white grease used for industrial icemakers 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 d DOOR GASKET To replace the Door Gasket 1 Pinch and pull out the Door Gasket from the corners 2 Push the conve...

Страница 51: ...f 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 Dimensions W280 x D255 x H16 t 0 8 mm Drain Outlet 16 mm OD x 14 mm ID Drain Hose 16 mm DIA Capacity 1 0 L 8 OPTIONAL PARTS a HINGE KIT The Door Hinges for HRE 70B and HFE 70B can be moved to the other sid...

Страница 52: ...49 Door Hinge L Up 339971G01 1 pc Hinge Collar Hinge 339948 01 2 pcs b GASTRONOME PAN RAIL Rail R 369511M01 Rail L 369512M01 ...

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