Hoshizaki
KM-1300MAH, KM-1300MWH
service manual
KM-1300MRH Remote air-cooled
Specs
Wiring Diagrams
Maintenance
Problem Possible Cause Remedy
Cleaning Procedure
Controls and Adjustments
Setting Time
Cleaning
Refrigerant Recovery
Page 28
[c]
KM-1300MRH
(Remote
air-cooled)
28
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Page 27
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Contents
KM-1300MAH KM-1300MWH KM-1300MRH
Hoshizaki AMERICA, INC
Contents
Maintenance
Specifications
KM-1300MAH Air-cooled
2a. KM-1300MWH Water-cooled
2b. KM-1300MWH Water-cooled Serial No. M10156D
KM-1300MRH Remote air-cooled
Condensing Unit URC-12F
Specifications Model URC-12F
II. General Information Construction
KM-1300MWH Water-cooled
KM-1300MRH Remote air-cooled
Features of Control Products E Controller Board
Controller Board
SOLID-STATE Control
Controller Board
Page
Beep every 3 sec. = High Evaporator Temperature 127 F
Minute Fill Cycle
Harvest Cycle
Freeze Cycle
Control Products HOS-001A Board
Sequence 1st Cycle
2nd Cycle and after with pump drain
2nd Cycle and after with no pump drain
Controls and Adjustments
Setting Time
Setting Frequency
Checking the Controller Board
Page
III. Technical Information
KM-1300MWH Water-cooled
KM-1300MRH Remote air-cooled
Wiring Diagrams
KM-1300MAH Air-cooled and KM-1300MWH Water-cooled
Cut-out 412 ±21.3 Psig Cut-in 327±21.3 Psig
Timing Chart
Page
Performance Data
Serial # L00001F to M10155C
KM-1300MWH Water-cooled Serial # M10156D
KM-1300MRH Remote air-cooled
IV. Service Diagnosis No ICE Production
Problem Possible Cause Remedy
Controller Board
Problem Possible Cause Remedy
Evaporator is Frozen UP
LOW ICE Production
Abnormal ICE
Others
Refrigerant Recovery
Service for Refrigerant Lines
Evacuation and Recharge R-404A
Brazing
Removal and Replacement of Compressor Important
Removal and Replacement of Drier
Removal and Replacement of Expansion Valve
Removal and Replacement of HOT GAS Valve and Line Valve
Removal and Replacement of Evaporator Important
Page
Page
Page
Removal and Replacement of Thermistor Important
Removal and Replacement of FAN Motor
Removal and Replacement of Water Valve
Removal and Replacement of Pump Motor
Removal and Replacement of Spray Tubes
VI. Maintenance and Cleaning Instructions
Preparing the Icemaker for Long Storage
Page
Cleaning
Cleaning Procedure
Sanitizing Procedure Following Cleaning Procedure
Page
Maintenance
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