Hoshizaki HW-320B Service Manual
  1. Manuals
  2. Brands
  3. Hoshizaki Manuals
  4. Commercial Food Equipment
  5. HW-320B
  6. Service manual
Hoshizaki HW-320B Service Manual

Hoshizaki HW-320B Service Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
HW-320B Service Manual

Advertisement

Table of Contents
loading

Related Manuals for Hoshizaki HW-320B

Summary of Contents for Hoshizaki HW-320B

  • Page 1 HW-320B Service Manual...

  • Page 2: Table Of Contents

    INDEX 1.Tecnical features and device dimensions------------------------ 1 2.Dishwasher Working Principle------------------------------------------ 3 3.General İnformation for Dishwasher -------------------------------- 4 3.a.İnternal Booster Tank---------------------------------------------- 6 3.b.Washing tank --------------------------------------------------------7 4. Removal and Replacement of Components--------------------8 5. Electrical Diagram Touch model ---------------------------------- 21 6. Cleaning and maintaince --------------------------------------------22 7- Quick user manual touch type-------------------------------------- 23 8 –...

  • Page 3: Tecnical Features And Device Dimensions

    1-Tecnical features and device dimensions: MODEL HW 320B PDRT HW 320B PDRT HW 320B PDRT HW 320B PDRT Total Rating 220V NPE 50 Hz 240V NPE 50 Hz 220V NPE 60 Hz 240V NPE 60 Hz Total Rating(kW) 5.01 5.83 5.01 5.83 Washing Capacity (Plate/Hour)

  • Page 5: Dishwasher Working Principle

    2-Dishwasher Working Principle : Water Path 1-Water inlet valve 2-Rinse pump 3-İnternal booster 4-Wash pump 5- Drain pump 6-Lower spray arm 7-Upper spray arm • The wash water is sprayed by the wash pump from the upper and lower wash spray arms into the wash compartment. •...

  • Page 6: General İnformation For Dishwasher

    3-General İnformation for Dishwasher : Washing/Rinsing pipe Touch screen panel Handle Pressure switch Washing tank cover Softstart box Washing Hose Drain pump Electrical Boiler tank İnternal booster tank Detergent and Rinse aid pumps control panel cover...
  • Page 7 Rinsing Hose Soft start option Drain outlet Washing pump Water inlet valve Water inlet hose...

  • Page 8: Nternal Booster Tank

    3.a-İnternal Booster Tank Thermal protector Rinse aid enter Thermistor (hot water temperature control for Heater boiler ) Gasket Drain outlet Heater cover...

  • Page 9: B.washing Tank

    3.b Washing tank Thermistor (hot water temperature controlfor washing tank ) Detergent feeding hole Stainless steel filter Air Trap,( Pressure Switch Sensing ) Overflow Pipe Pump Filter Washing tank heater...

  • Page 10: Removal And Replacement Of Components

    4- Removal and Replacement of Components 1. This unit should be diagnosed and repaired only by qualified service personnel to reduce the risk of death, electric shock, serious injury, or fire. 2. Turn off the power supply before servicing. Lockout/Tagout to prevent the power from being turned back on inadvertently.
  • Page 11 2 ) forward the top plate and remove the top panel from the side panels hook. 3 ) To replace, reverse the above procedure. Bye removing the top panel you can reach the Touch screen panel. The hooks on side panels...
  • Page 12 By Removing the top panel you can Access 1 – Washing L pipe 2 – Upper rinsing hose 3 – Touch screen Touch screen Upper Rinsing Washing L pipe hose 4.b. Removal of the kick plate 1)The top panel is secured with 2 screws.
  • Page 13 2)Pull the kickplate to youself HW-320 B is a service friendly product because by removing kickplate you can reach lots of components. By Removing the kick plate you can access 1) Control panel ( contactors , electric inlet terminal,main card ) 2) Drain pump 3) Pressure switch 4) Rinse aid pump and Detergent pump...
  • Page 14 Pressure switch Boiler and boiler heater Drain pump Detergent pump Rinse aid pump Washing heater Electrical Control panel ( contactors , pressure switch electric inlet terminal,main card ) 4.b1. Electrical control panel 1) Turn off the power supply. Lockout/Tagout to prevent the power from being turned back on inadvertently.
  • Page 15 4b2. Removal and Replacement of Internal Booster Tank 1) Turn off the power supply. Lockout/Tagout to prevent the power from being turned back on inadvertently. 2) Close the water supply line shut-off valve. 3 )Remove the kickplate. 4 ) Drain the internal booster tank from the drain outlet (prepare a container) To avoid possible burns, allow the internal booster tank water temperature to fall below 40°C before draining.
  • Page 16 5) Loosen the hose bands, and remove the water supply and overflow hoses. 6 ) Remove the heater , bi metal thermostat switch and thermistor wires. 7 ) Remove one screw, and pull out the internal booster tank.( there is a hook at the back of the boiler tank ) To replace, reverse the above procedure.
  • Page 17 4b3. Removal and Replacement of Internal Rinse Pump 1) Turn off the power supply. Lockout/Tagout to prevent the power from being turned back on inadvertently. 2) Close the water supply line shut-off valve. 3 )Remove the kickplate. 4 ) Drain the internal booster tank from the drain outlet (prepare a container) To avoid possible burns, allow the internal booster tank water temperature to fall below 40°C before draining.
  • Page 18 7) Unscrew the two screws that connect the rinse pump to the basement.Then remove the rinse pump. 4.c. Removal of the back panel. 1) Remove the top panel 2) Unscrew the 8 screws that is at the back of the Dishwasher. 3 ) Pull back panel up and through to you and remove.
  • Page 19 4.d. Removal of the side panels. 1) Remove the top panel. 2) Remove the back panel. 3) Remove the kickplate. 4) Unscrew 4 screws in front of the machine and then unsvrew two screw at the back of the machine and remove side panels. By removing the side panels;...
  • Page 20 5) tilt the machine to its right side 5) Loosen the hose bands, and remove the suction and discharge hoses. 6 ) Remove the two screws, and disconnect the wash pump motor. 7 ) To replace, reverse the above procedure. 8 ) Make a trial run, and check for water leaks.
  • Page 21 Washing Pump tecnical info :...
  • Page 22 Rinsing Pump tecnical info :...

  • Page 23: Electrical Diagram Touch Model

    5. Electrical Diagram ( Touch type ) :...

  • Page 24: Cleaning And Maintaince

    6. CLEAN-UP AND MAINTENANCE 6.1 Periodical Maintenance and Clean-up Daily maintenance should be carried out by people informed about safety instructions following, after disconnecting power supply and water connections. 6.1.1 Daily Maintenance: Daily maintenance should be carried by the user. In order to clean up the machine within the day following should be carried out periodically after the washing operation:...

  • Page 25: 7- Quick User Manual Touch Type

    7- Touch user manual 7- Operation: 7.1 Description of the Appliance Unlike domestic appliances, industrial dish and glass washers are designed for almost uninterrupted operation. 7.2 Control Panel Before starting the appliance, first get familiar with the control buttons and symbols on the front panel. In addition, get familiar with the location of power and water cut-off switches.
  • Page 26 Appliance heats first the boiler and then the washing tank water. Washing operation will not start until washing temperature reaches ‘Factory Settings’. 7.3 Initial Preparation for Use: At initial start of the appliance everyday, wait 25-30 min (depending on the dishwasher model) for the supplied water to warm up.
  • Page 27 Note: It is recommended to operate the appliance at an ambient temperature range of 5°C - 40°C, and ambient moisture of 65%. 5.8 5.8 Draining: Excess water will automatically be drained during the operation. At the end of the day, leave the appliance with its door open for draining and drying.

  • Page 28: Accessing The Touch Setting Menu

    8-Accessing The Settinse Menu of Touch Panel Press and hold the settings icon for 3 sec. Changing Parameters You will see the pasword screen.Enter “3” for password. up and down buttons to enter “3”. You will see the pasword screen.Enter “3” for password. Hold 3 sec.
  • Page 29 Service Menu Chart By using the settings menu you can reach the below values. P01 Tank Temperature set : Tank temperature value can be adjusted from settings menu.The value can be between 4 °C and 100 °C. This setting is made separately for each program. P02 Boiler Temperature set : Boiler temperature value can be adjusted from settings menu.The value can be between 4 °C and 100 °C.
  • Page 30 P03 Washing Time : Washing time can be adjusted from settings menu.The value can be between 1 second and 250 second. This setting is made separately for each program. P04 Rinse Time : Rinsing time can be adjusted from settings menu.The value can be between 1 second and 250 second.
  • Page 31 P08 Getting detergent time - P09 Getting Rinse aid time : Detergent and rinse aid pumps are timed. It can be adjusted between 0 and 250 seconds. This means that the rinse aid / detergent is given to the system as much as the set value (seconds) you entered.
  • Page 32 P16 Temperature unit : It changes the temperature unit of your machine, you can use either Fahrenheit or Celcius units. P17 Start bye door : If you set “0” this value ; To start washing programme you should touch the drop icon on control panel screen. If you set “1”...

This manual is also suitable for:

Hw 320b pdrt

Table of Contents