JWE- DISHWASHER BASIC TRAINING
Contents
1. DISHWASHER BASIC TRAINING gt 5 HIGH TEMP DISHWASHER HIGH TEMP USES HOT WATER TO SANITIZE THE DISHES 185 F ITS MORE ECONOMICAL USE HOT WATER TO SANITIZE THAN TO BUY CHEMICAL SANITIZERS IT S MORE ENVIRONMENTALLY FRIENDLY USE HOT WATER TO SANITIZE NSF ANSI 3 ETL ENERGY STAR BUILD FEATURES ALL STAINLESS CONSTRUCTION eSLOPED TOP ENCLOSED DOOR SPRINGS BUILT IN BOOSTER HEATER ELECTRONIC CONTROLS 18 DOOR OPENING LOW WATER CONSUMPTION ELECTRICAL SPECIFICATIONS REFER TO PAGE 4 IN SERVICE MANUAL 3PHASE 208 230V CIRCUIT BREAKER SWITCH ALSO HAS GFCI PROTECTION WATER SPECIFICATIONS SUPPLY Upper Wash Spray Arm R FNPT 8 5GPM 140 F TEMP 110 167 F RANGE 68 5 PPM WATER HARDNESS OR LESS 10 70PSI WATER PRESSURE Lower Wash Spray Am DRAIN MNPT GRAVITY FEED OVERFLOW PIPE BASIC UNIT CONSTRUCTION FRONT VIEW a ELECTRONIC VERTICAL SLIDING CONTROLLER DOOR DOOR HANDLE FRONT COVER BREAKER GFCI COVER NAME PLATE DOOR PILLAR WITH ENCLOSED DOOR SPRING SOAP PORT ONE ON LEFT AND RIGHT SIDE BASIC UNIT CONSTRUCTION SIDE VIEW SLOPED TOP Allows water to shed to the front and helps stop soap dripping on clean dishes LEFT SIDE PANEL2. BASIC UNIT CONSTRUCTION REAR VIEW gt DOOR PILLARS WITH ENCLOSED DOOR SPRINGS 5 2 POWER CORD Will not be on production model BASIC UNIT CONSTRUCTION BOOSTER TANK OPENING OVERFLOW FOR SOAP amp RINSE AID ACCESS INLET WATER MAIN DRAIN CONNECTION 1165 18 DOOR HEIGHT INDUSTRY HAMBER LEADER LOWER WASH TANK ASSEMBLY OVERFLOW PIPE RACK RAIL LOWER RINSE SPRAY ARM LOWER WASH SPRAY ARM Strainers The upper and lower arms are threaded They hold the wash arm in position HAND TIGHT ONLY WASH TANK SEPARATOR WASH TANK HEATER 6 9KW FLUSH PIPE DRAIN OVERFLOW PIPE REMOVED WASH TANK THERMISTOR FRONT OF UNIT WATER LEVEL WASH PUMP SENSOR SUCTION FILTER SPRAY ARM UPPER RINSE SPRAY ARM FLUSH PIPE TO REMOVE FRONT PANEL 1 REMOVE BOTH 5 TRUSS HEAD SCREWS 2 SLIGHTLY TILT OUT THE BOTTOM OF THE PANEL 3 PULL DOWN ON PANEL UNTIL IT CLEARS WASH TANK 5 TRUSS HEAD SCREWS FRONT PANEL HINGED BREAKER COVER FRONT PANEL REMOVED INSTRUCTION SHEET FOR SOAP CONNECTIONS INLET WATER VALVE BOOSTER HEATER TANK RINSE PUMP DOOR SWITCH WASH PUMP CONTROL BOX INSTRUCTION SHEET REMOVED PANEL VOLTAGE TAP TERMINAL SWITCH BLOCK FOR SOAP CONNECTIONS RINSE AID PORT 272 Center tap switch CLOSE UP OF VOLTAGE TAP
3. STOP AND RESUME ONCE IT IS CLOSED AUTO FILL CYCLE The unit energizes the inlet water valve letting water enter the booster tank When the float Switch is closed the water valve will denergize and the rinse pump will energize and spray this water through the rinse spray arms into the wash tank The number of fill cycles is pre set in the control board The default number of fill cycles is 28 The AUTO FILL light flashes during the fill cycle During AUTO FILL no heaters are energized AUTO FILL COMPLETE READY LIGHT ON WASH CYCLE 4 E 1 ww h WASH PUMP MOTOR STARTS LIFT VERTICAL SLIDING DOOR RUNNING 41sec PLACE DISH RACK IN WASH wr READY LIGHT OFF WASH LIGHT BLINKING CLOSE DOOR PAUSE 5566 READY LIGHT OFF RINSE PUMP STARTS RUNNING UNIT WILL START WASHING 6sec TWO BEEPS RINSE LIGHT BLINKING PAUSE 1sec CYCLE COMPLETE WASH CYCLE TIME IS ADJUSTABLE 53sec IS DEFAULT k Control Board Input output Layout The major inputs and outputs ex connectors are laid out on the Control Board as follows Signal Input XA Connector 89 Buzzer Output XA Connector 39 Signal Input XA Connector 1 Power Input VH Connector aP Thermistor Signal Input X
4. Verify Power coming in AND TERMINAL BLOCK and switch accordingly Connection for Wash Detergent and Rinse aid 208 230 VAC If Used CONTROL PANEL LAYOUT Upward Set Switch Ready Lamp aa Downward Set Switch READY E AUTO FILL Wash ST Rinse 1867 Auto Fill Lamp Temperature Display RINSE CJ R WASH STANDARD Mode Lamp Z tac Mode Select Switch Paus Lamp Pause Cleaning Switch 6 Operation Switch ON OFF BUTTON POWERS UP UNIT HOSHIZAKI READY AUTO FILL RINSE WASH STANDARD Lona PAUSE BUTTON PAUSES UNIT DURING NORMAL OPERATION USED AS START SWITCH WHEN SETTING 11 IS IN THE OFF POSITION USED TO EXIT AND SAVE DATA IN THE MAINTENANCE MODE USED TO ENTER THE SELF CLEANING MODE 5 HOSHIZAKI READY AUTO FILL RINSE MODE BUTTON HOSHIZAKI USED TO TOGGLE UNIT INTO LONG WASH AND RINSE ONLY READY USED TO ENTER MAINTENANCE MODE RINSE ENTERS DATA CHANGES IN THE MAINTENANCE MODE WASH 8 Savono USED ENTER THE PREVENTIVE CLEANING MODE DISPLAY DISPLAYS WASH TANK TEMP BY DEFAULT DISPLAY ALL DATA DISPLAYS ALL ERRORS HOSHIZAKI READY AUTO FILL RINSE WASH STANOAAD MODE Lona ARROWS USED TO SCROLL THROUGH MENUS CLEARS ERROR LOG BOTH PRESSED USED TO ENTER THE PREVENTATIVE CLEANING MO
5. A Connector 4P EI Power input Conner EP High Lot Output YH Connector Output VH Connector 5P gt operation Board XA Connector 5P XH Connector 2 not in use Connector not in use Heater Control Signal Input Connector BP Communication Operation Board Booster Tank Hester WESA US Fins 1 4 shared 3 phase contra 1 4 open Booster Tank contra CN6 Z BB 5 CN12 2 Power POWODY Wash Tank Heater Booster Tank Switch Water Level Conton Connectors CN 1 4 are VH Connectors p gt CYCLE R Pl I IIT IS iii tontin E E BOOSTER HEATER VOLTAGE Tech Support hopes that this gives you a good understanding of the basic layout and operation of the Dishwasher JWE units If you have any guestions concerning this or any other technical information please send e mail to techsupport hoshizaki com or call the Technical Support Department at 1 800 233 1940
6. DE BOTH PRESSED USED TO ENTER INPUT SIGNALS MODE BOTH PRESSED HOSHIZAKI READY AUTO FILL RINSE WASH 8 MODE UP ARROW ONLY HOSHIZAKI USED TO DISPLAY NUMBER READY OF OPERATIONS o FILL RINSE Lona DOWN ARROW ONLY DISPLAYS OPPOSITE WATER TEMP OF SETTING 12 CLEARS THE INPUT SIGNAL MODE STOPS ERROR BUZZER LED S HOSHIZAKI INDICATES THE MODE OF gt OPERATION THE UNIT IS IN READY AUTO FILL RINSE Lona 6 ERROR CODES If the Control Board detects a trouble with the dishwasher one of the following error codes is displayed with a beep sound The unit operation in case of error depends on the type of error Code Error Wash Tank auto fill error Condition Operation Water level in Wash Tank does not reach Water Level Sensor after Rinse Pump has preset number of cycles Reset ONOFF Button JOFF Booster Tank fauto fill error Wash Tank water error Booster Tank auto fil cycle does not complete within 10 min Water level in Wash Tank goes below Water Level Sensor range in standby ON OFF Button Auto fl cycle lends Overflow Switch Water Level Switch ON Water level in Booster Tank reaches overflow icc lievel both Water Level Switch and Overflow Switch remain ON for 1 min ON OFF Button OFF JOverfiow Switc
7. completing the data setting press the Slandby Cleaning Button to store the set value The Temperature Display goes off E Sating Fange Wash ae tma andar made 02 Wash cyclo time ong mode 60 seconds sos No 08 formulipier 5 60 05 Rinse tomporature 32 185 F 0 85 C 32 185 07 Auto fill cycles 5 30 cycles 5 30 08 cycle time unit standard mode EN 10 140 poo m OFF switch ON West ene n stran on 12 Water temperature display GFF nee lene Trata rd com to st poi 40 rank energy saving 0 down to set 286 v 17 0 38 Foster Tak wa 82 50 leo wes BASIC UNIT OPERATION START UP 1 PLACE THE VOLTAGE TAP SWITCH IN THE PROPER LOCATION 2 PLACE THE BREAKER SWITCH IN THE ON POSITION 3 PRESS THE OPERATION SWITCH ON THE ELECTRONIC CONTROL PANEL HOSHIZAKI LOWER BUTTON IS THE OPERATION SWITCH WHAT HAPPENS UNIT WILL CHECK THE PHASE ROTATION AN ALARM WILL SOUND IF IT IS OFF AND THE DISPLAY WILL READ H7 UNIT WILL STOP THE UNIT WILL RUN AN AUTO FILL CYCLE THE ELECTRONIC CONTROLLER WILL DISPLAY A READY LIGHT WHEN COMPLETE IF THE VERTICAL SLIDING DOOR IS OPEN THE UNIT WILL NOT FILL IF THE DOOR IS OPENED DURING THE AUTO FILL CYCLE WILL
8. h lerror Water Level Switch OFF Wash Tank Water Level Switch is OFF and water level lor above 230 F 1100 Thermistor error lor below 6 F 21 C ON OFF Button Tharmistor Booster Tank Thermistor senses abnormal temperature at lor above 230 F 110 C jermistor error EEPROM error Phase reversal lerror z EEPROM fails ROM RAM error Control Board ROM RAM fails Power supply phase is reversed enses normal temperature Control Board resumes normal operation Power reset 5 MAINTENANCE MODE The maintenance mode is available as a data setting function of the Control Board The detailed data setting instructions are also specified on the label DISHWASHER PROGRAMMABLE CONTROLS provided with the dishwasher Always turn off the ON OFF Button Power Switch GFCI on before entering the maintenance mode 1 Press and hold the Mode Button on the Operation Panel and press the ON OFF Button The Temperature Display illuminates the setting number 01 2 Press the Up or Down Y Button to display the desired setting number 3 Press the Mode Button flash the set value for the selected setting number 4 Press the Up A or Down Y Button to change the set value within the setting range Note Press and hold the Up A or Down Y Button for quick change 5 Press the Mode Button again to return to the setting number 6 After
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