Hoshizaki KM-630MWH, KM-630MRH, KM-630MAH service manual Sanitizing Procedure

Page 66

[b] SANITIZING PROCEDURE

Following Cleaning Procedure

1)Dilute a 5.25 % Sodium Hypochlorite solution with water (Add 1.5 fl. oz. of sanitizer to 3 gal. of water).

2)Remove the Insulation Panel, if it is in its usual position.

3)Pour the sanitizing solution into the Water Tank.

4)Replace the Insulation Panel and the Front Panel in their correct positions.

Note: Make sure that the Control Switch is in the “WASH” position and the Cleaning Valve is open.

5)Turn on the power supply, and start the sanitizing process.

6)Turn off the power supply after 15 minutes.

7)Remove the Front Panel and if necessary, the Insulation Panel.

8)Drain the Water Tank. See the above step 5) in “[a] CLEANING PROCEDURE.”

9)Replace the removed parts and the Insulation Panel in their correct position.

10)Repeat the above steps 17) through 29) in “[a] CLEANING PROCEDURE” two times to rinse thoroughly.

11)Close the Cleaning Valve.

12)Move the Control Switch to the “ICE” position.

13)Replace the Front Panel in its correct position.

14)Clean the Storage Bin with water.

15)Turn on the power supply, and start the automatic icemaking process.

66

Image 66
Contents KM-630MAH KM-630MWH KM-630MRH Hoshizaki AMERICA, INC Contents Maintenance Specifications KM-630MAH Water TEMP. F2a. KM-630MWH Serial #L00001D M20270B 2b. KM-630MWH Serial #M20301E KM-630MRH Condenser Unit URC-6FSpecifications II. General Information Construction KM-630MAHKM-630MWH KM-630MRH SOLID-STATE Control Features of Control Products E Controller BoardController Board Controller BoardPage Harvest Cycle Beep every 3 sec. = High Evaporator Temperature 127 FMinute Fill Cycle Freeze CycleControl Products HOS-001A Board Sequence 1st Cycle Important Water Valve opening is limited to 6 minutes2nd Cycle and after with pump drain 2nd Cycle and after with no pump drain Controls and Adjustments For Models with ThermostatPage Setting Time Models with Thermostat Models with Mechanical BIN Control Checking the Controller BoardProximity Switch Mechanical BIN ControlExplanation of Operation Troubleshooting Mechanical BIN Control only KM-630MAH KM-630MWH KM-630MRH Wiring Diagrams Page B1 KM-630MRH with auxiliary codes L-0, M-0, M-1 B2 KM-630MRH with auxiliary codes M-2 and after Timing Chart Page Performance Data 157B1 KM-630MWH Serial #L00001D M20270B Pressure Drop of Cooling Water LineB2 KM-630MWH Serial #M20301E 603 IV. Service Diagnosis 1. no ICE Production Problem Possible Cause RemedyController Board Problem Possible Cause Remedy Evaporator is Frozen UP ThermistorLOW ICE Production Abnormal ICEOthers Refrigerant Recovery Removal and Replacement of ComponentsService for Refrigerant Lines Evacuation and Recharge R-404ABrazing Removal and Replacement of Compressor Important Page Removal and Replacement of Drier Removal and Replacement of Expansion ValveRemoval and Replacement of HOT GAS Valve and Line Valve Page Removal and Replacement of Evaporator Important Page Adjustment of Water Regulating Valve WATER-COOLED Model only Page Removal and Replacement of Thermistor Caution Removal and Replacement of FAN Motor Removal and Replacement of Water Valve Removal and Replacement of Pump MotorRemoval and Replacement of Spray Tubes VI. Cleaning and Maintenance Instructions Preparing the Icemaker for Long StoragePage Cleaning and Sanitizing Procedures Cleaning Procedure Page Sanitizing Procedure Maintenance