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Hoshizaki
KM-1300MAH, KM-1300MWH service manual c KM-1300MRHRemote air-cooled
Models:
KM-1300MRH
KM-1300MAH
KM-1300MWH
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Specs
Wiring Diagrams
V. Removal And Replacement Of Components
Maintenance
Complete and detailed explanation of the problem
aCLEANING PROCEDURE
2Defrost Timer
d CONTROLS AND ADJUSTMENTS
Setting
Cleaning
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[c]
KM-1300MRH
(Remote
air-cooled)
28
Page 27
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Contents
KM-1300MAH KM-1300MWH KM-1300MRH
MODULAR CRESCENT CUBER
HOSHIZAKI
MODEL
Complete and detailed explanation of the problem
HOSHIZAKI AMERICA, INC 618 Highway 74 South
Peachtree City, GA
Attn HOSHIZAKI Technical Support Department
CONTENTS
IV. SERVICE DIAGNOSIS
V. REMOVAL AND REPLACEMENT OF COMPONENTS
SERVICE FOR REFRIGERANT LINES
a REFRIGERANT RECOVERY
I.SPECIFICATIONS
1.KM-1300MAH Air-cooled
2a. KM-1300MWH Water-cooled
Serial No. L00001F to M10155C
2b. KM-1300MWH Water-cooled
Serial No. M10156D
3.KM-1300MRHRemote air-cooled
4.CONDENSING UNIT URC-12F
SPECIFICATIONS MODEL URC-12F
II.GENERAL INFORMATION 1.CONSTRUCTION
aKM-1300MAH Air-cooled
b KM-1300MWH Water-cooled
c KM-1300MRHRemote air-cooled
Features of Control Products “E” Controller Board
2. CONTROLLER BOARD
a SOLID-STATECONTROL
b CONTROLLER BOARD
2Defrost Timer
3High Temperature Safety - 127 ± 7F
4Low Water Safety
6LED Lights and Audible Alarm Safeties
1 Minute Fill Cycle
Harvest Cycle
Freeze Cycle
Reverse Pump Out
Control Products HOS-001ABoard
c SEQUENCE 1st Cycle
2nd Cycle and after with pump drain
2nd Cycle and after with no pump drain
d CONTROLS AND ADJUSTMENTS
Temperature F
iDisconnect the connector K3 on the board
2 Defrost Timer
SETTING
3 Drain Timer
SETTING
Dip Switch
Dip Switch
e CHECKING THE CONTROLLER BOARD
Page
1.WATER CIRCUIT AND REFRIGERANT CIRCUIT
III.TECHNICAL INFORMATION
aKM-1300MAH Air-cooled
b KM-1300MWH Water-cooled
c KM-1300MRHRemote air-cooled
2.WIRING DIAGRAMS
aKM-1300MAH Air-cooledand KM-1300MWH Water-cooled
b KM-1300MRHRemote air-cooled
Note Pressure Switch
Cut-out
412 ±21.3 PSIG
3. TIMING CHART
1 The Pump Motor waits for 2 seconds before starting a drain cycle. See “II. 2. d CONTROLS AND ADJUSTMENTS.”
4.PERFORMANCE DATA aKM-1300MAH Air-cooled
b KM-1300MWH Water-cooled
Serial # L00001F to M10155C
c KM-1300MWH Water-cooled
Serial # M10156D
d KM-1300MRHRemote air-cooled
IV. SERVICE DIAGNOSIS 1. NO ICE PRODUCTION
PROBLEM
POSSIBLE CAUSE
REMEDY
POSSIBLE CAUSE
PROBLEM
REMEDY
POSSIBLE CAUSE
PROBLEM
REMEDY
2. EVAPORATOR IS FROZEN UP
3. LOW ICE PRODUCTION
4. ABNORMAL ICE
5. OTHERS
1. SERVICE FOR REFRIGERANT LINES
V.REMOVAL AND REPLACEMENT OF COMPONENTS IMPORTANT
a REFRIGERANT RECOVERY
bEVACUATION AND RECHARGE R-404A
2.BRAZING DANGER
3.REMOVAL AND REPLACEMENT OF COMPRESSOR IMPORTANT
4. REMOVAL AND REPLACEMENT OF DRIER
5. REMOVAL AND REPLACEMENT OF EXPANSION VALVE
12Replace the panels in their correct positions
7.REMOVAL AND REPLACEMENT OF EVAPORATOR IMPORTANT
13Turn on the power supply
Page
1Turn off the power supply
1.Fragile, handle very carefully
12. REMOVAL AND REPLACEMENT OF FAN MOTOR
13. REMOVAL AND REPLACEMENT OF WATER VALVE
14. REMOVAL AND REPLACEMENT OF PUMP MOTOR
15. REMOVAL AND REPLACEMENT OF SPRAY TUBES
VI. MAINTENANCE AND CLEANING INSTRUCTIONS
1. PREPARING THE ICEMAKER FOR LONG STORAGE
3Wait 3 minutes
2. CLEANING
aCLEANING PROCEDURE
17 Close the Cleaning Valve
6Turn off the power supply after 15 minutes
11Close the Cleaning Valve
12Move the Control Switch to the “ICE” position
14Clean the Storage Bin with water
3. MAINTENANCE