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Hoshizaki
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Ice Maker
Hoshizaki
KM-1300MWH b KM-1300MRHRemote air-cooled, Note Pressure Switch, Cut-out, 412 ±21.3 PSIG
Models:
KM-1300MRH
KM-1300MAH
KM-1300MWH
1
30
62
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62 pages
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Specification
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 30
Image 30
[b]
KM-1300MRH
(Remote
air-cooled)
Note: Pressure Switch
Cut-out
412 ±21.3 PSIG
Cut-in
327±21.3 PSIG
30
Page 29
Page 31
Page 30
Image 30
Page 29
Page 31
Contents
HOSHIZAKI
KM-1300MAH KM-1300MWH KM-1300MRH
MODULAR CRESCENT CUBER
MODEL
Peachtree City, GA
Complete and detailed explanation of the problem
HOSHIZAKI AMERICA, INC 618 Highway 74 South
Attn HOSHIZAKI Technical Support Department
CONTENTS
SERVICE FOR REFRIGERANT LINES
IV. SERVICE DIAGNOSIS
V. REMOVAL AND REPLACEMENT OF COMPONENTS
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
a SOLID-STATECONTROL
Features of Control Products “E” Controller Board
2. CONTROLLER BOARD
b CONTROLLER BOARD
4Low Water Safety
2Defrost Timer
3High Temperature Safety - 127 ± 7F
6LED Lights and Audible Alarm Safeties
Freeze Cycle
1 Minute Fill Cycle
Harvest 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
2 Defrost Timer
Temperature F
iDisconnect the connector K3 on the board
SETTING
Dip Switch
3 Drain Timer
SETTING
Dip Switch
e CHECKING THE CONTROLLER BOARD
Page
III.TECHNICAL INFORMATION
1.WATER CIRCUIT AND REFRIGERANT CIRCUIT
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
Cut-out
b KM-1300MRHRemote air-cooled
Note Pressure Switch
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
POSSIBLE CAUSE
IV. SERVICE DIAGNOSIS 1. NO ICE PRODUCTION
PROBLEM
REMEDY
PROBLEM
POSSIBLE CAUSE
REMEDY
PROBLEM
POSSIBLE CAUSE
REMEDY
2. EVAPORATOR IS FROZEN UP
3. LOW ICE PRODUCTION
4. ABNORMAL ICE
5. OTHERS
a REFRIGERANT RECOVERY
1. SERVICE FOR REFRIGERANT LINES
V.REMOVAL AND REPLACEMENT OF COMPONENTS IMPORTANT
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
12Move the Control Switch to the “ICE” position
6Turn off the power supply after 15 minutes
11Close the Cleaning Valve
14Clean the Storage Bin with water
3. MAINTENANCE