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Ice Maker
Hoshizaki
KM-630MAH, KM-630MWH, KM-630MRH service manual Timing Chart
Models:
KM-630MAH
KM-630MRH
KM-630MWH
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Troubleshooting
Specifications
Install
Wiring Diagrams
V. Removal And Replacement Of Components
Maintenance
Problem
Cleaning And Sanitizing Procedures
2Defrost Timer
d CONTROLS AND ADJUSTMENTS
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3. TIMING CHART
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Contents
MODEL
KM-630MAH KM-630MWH KM-630MRH
HOSHIZAKI MODULAR CRESCENT CUBER
Page
CONTENTS
a REFRIGERANT RECOVERY
IV. SERVICE DIAGNOSIS
V. REMOVAL AND REPLACEMENT OF COMPONENTS
1. SERVICE FOR REFRIGERANT LINES
KM-630MAH
SPECIFICATIONS
2a. KM-630MWHSerial #L00001D - M20270B
2b. KM-630MWHSerial #M20301E
3. KM-630MRH
URC-6F
4. CONDENSER UNIT
MODEL URC-6F
SPECIFICATIONS
Mechanical Bin Control
II.GENERAL INFORMATION 1. CONSTRUCTION
aKM-630MAH
b KM-630MWH
Water Pump Mechanical
c KM-630MRH
Spray Tubes Control Switch
Expansion Valve Compressor Float Switch
b CONTROLLER BOARD
Features of Control Products “E” Controller Board
2. CONTROLLER BOARD
a SOLID-STATECONTROL
6LED Lights and Audible Alarm Safeties
2Defrost Timer
3High Temperature Safety - 127 ± 7F
4Low Water Safety
Reverse Pump Out
1 Minute Fill Cycle
Harvest Cycle
Freeze Cycle
Control Products HOS-001ABoard
cSEQUENCE 1st Cycle
2nd Cycle and after with pump drain
2nd Cycle and after with no pump drain
FOR MODELS WITH THERMOSTAT
d CONTROLS AND ADJUSTMENTS
FOR MODELS WITH MECHANICAL BIN CONTROL
1 Defrost Control
Switch Nos. 9 and
Temperature F
iDisconnect the connector K3 on the board
Dip Switch
2 Defrost Timer
SETTING
Dip Switch
MODELS WITH THERMOSTAT
e CHECKING THE CONTROLLER BOARD
MODELS WITH MECHANICAL BIN CONTROL
bEXPLANATION OF OPERATION
aPROXIMITY SWITCH
3. MECHANICAL BIN CONTROL
cTROUBLESHOOTING MECHANICAL BIN CONTROL ONLY
aKM-630MAH
III. TECHNICAL INFORMATION
1.WATER CIRCUIT AND REFRIGERANT CIRCUIT
b KM-630MWH
c KM-630MRH
2. WIRING DIAGRAMS
Page
PSIG
b1 KM-630MRHwith auxiliary codes L-0, M-0, M-1
Note Pressure Switch
Cut-out
b2 KM-630MRHwith auxiliary codes M-2and after
3. TIMING CHART
Page
1332
4.PERFORMANCE DATA
a KM-630MAH
1250
b1 KM-630MWHSerial #L00001D - M20270B
b2 KM-630MWHSerial #M20301E
1414
c KM-630MRH
APPROXIMATE ICE
1332
REMEDY
IV. SERVICE DIAGNOSIS 1. NO ICE PRODUCTION
PROBLEM
POSSIBLE CAUSE
REMEDY
PROBLEM
POSSIBLE CAUSE
REMEDY
PROBLEM
POSSIBLE CAUSE
2. EVAPORATOR IS FROZEN UP
5. OTHERS
3. LOW ICE PRODUCTION
4. ABNORMAL ICE
bEVACUATION AND RECHARGE R-404A
V. REMOVAL AND REPLACEMENT OF COMPONENTS
1.SERVICE FOR REFRIGERANT LINES
a REFRIGERANT RECOVERY
2. BRAZING DANGER
3.REMOVAL AND REPLACEMENT OF COMPRESSOR IMPORTANT
17Replace the panels in their correct positions
18Turn on the power supply
5.REMOVAL AND REPLACEMENT OF EXPANSION VALVE
4. REMOVAL AND REPLACEMENT OF DRIER
7Install the new Drier
14Turn on the power supply
1Turn off the power supply 2Remove the panels
6Install the new valve
7Install the new Drier
7.REMOVAL AND REPLACEMENT OF EVAPORATOR IMPORTANT
1Turn off the power supply
Page
1Turn off the power supply
11.REMOVAL AND REPLACEMENT OF THERMISTOR CAUTION
12. REMOVAL AND REPLACEMENT OF FAN MOTOR
14. REMOVAL AND REPLACEMENT OF PUMP MOTOR
13. REMOVAL AND REPLACEMENT OF WATER VALVE
15. REMOVAL AND REPLACEMENT OF SPRAY TUBES
1. PREPARING THE ICEMAKER FOR LONG STORAGE
VI. CLEANING AND MAINTENANCE INSTRUCTIONS
Page
2. CLEANING AND SANITIZING PROCEDURES
aCLEANING PROCEDURE
19Replace the Front Panel in its correct position
21Turn off the power supply after 3 minutes
23Move the Control Switch to the “Wash” position
26Turn off the power supply after 5 minutes
b SANITIZING PROCEDURE
3. MAINTENANCE