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Hoshizaki
KM-1300MAH, KM-1300MWH service manual c KM-1300MRHRemote air-cooled
Models:
KM-1300MRH
KM-1300MAH
KM-1300MWH
1
13
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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
Page 13
Image 13
[c]
KM-1300MRH
(Remote
air-cooled)
13
Page 12
Page 14
Page 13
Image 13
Page 12
Page 14
Contents
MODULAR CRESCENT CUBER
KM-1300MAH KM-1300MWH KM-1300MRH
HOSHIZAKI
MODEL
HOSHIZAKI AMERICA, INC 618 Highway 74 South
Complete and detailed explanation of the problem
Peachtree City, GA
Attn HOSHIZAKI Technical Support Department
CONTENTS
V. REMOVAL AND REPLACEMENT OF COMPONENTS
IV. SERVICE DIAGNOSIS
SERVICE FOR REFRIGERANT LINES
a REFRIGERANT RECOVERY
1.KM-1300MAH Air-cooled
I.SPECIFICATIONS
Serial No. L00001F to M10155C
2a. KM-1300MWH Water-cooled
Serial No. M10156D
2b. KM-1300MWH Water-cooled
3.KM-1300MRHRemote air-cooled
4.CONDENSING UNIT URC-12F
SPECIFICATIONS MODEL URC-12F
aKM-1300MAH Air-cooled
II.GENERAL INFORMATION 1.CONSTRUCTION
b KM-1300MWH Water-cooled
c KM-1300MRHRemote air-cooled
2. CONTROLLER BOARD
Features of Control Products “E” Controller Board
a SOLID-STATECONTROL
b CONTROLLER BOARD
3High Temperature Safety - 127 ± 7F
2Defrost Timer
4Low Water Safety
6LED Lights and Audible Alarm Safeties
Harvest Cycle
1 Minute Fill 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
iDisconnect the connector K3 on the board
Temperature F
2 Defrost Timer
SETTING
SETTING
3 Drain Timer
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
aKM-1300MAH Air-cooledand KM-1300MWH Water-cooled
2.WIRING DIAGRAMS
Note Pressure Switch
b KM-1300MRHRemote air-cooled
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
Serial # L00001F to M10155C
b KM-1300MWH Water-cooled
Serial # M10156D
c KM-1300MWH Water-cooled
d KM-1300MRHRemote air-cooled
PROBLEM
IV. SERVICE DIAGNOSIS 1. NO ICE PRODUCTION
POSSIBLE CAUSE
REMEDY
POSSIBLE CAUSE
PROBLEM
REMEDY
POSSIBLE CAUSE
PROBLEM
REMEDY
3. LOW ICE PRODUCTION
2. EVAPORATOR IS FROZEN UP
5. OTHERS
4. ABNORMAL ICE
V.REMOVAL AND REPLACEMENT OF COMPONENTS IMPORTANT
1. SERVICE FOR REFRIGERANT LINES
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
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. MAINTENANCE AND CLEANING INSTRUCTIONS
3Wait 3 minutes
2. CLEANING
aCLEANING PROCEDURE
17 Close the Cleaning Valve
11Close the Cleaning Valve
6Turn off the power supply after 15 minutes
12Move the Control Switch to the “ICE” position
14Clean the Storage Bin with water
3. MAINTENANCE