Reliability is a beautiful thingTM
STACKABLE CRESCENT CUBER KM-2400SRF3 KM-2400SRH3 SERVICE MANUAL
NUMBER ISSUED DEC. 23 REVISED DEC, 14
Phone 1-800-233-1940 Technical Service
Complete and detailed explanation of the problem
HOSHIZAKI AMERICA, INC 618 Highway 74 South Peachtree City, GA
Attn HOSHIZAKI Technical Support Department
CONTENTS
REMOVAL AND REPLACEMENT OF EVAPORATOR
REMOVAL AND REPLACEMENT OF CONDENSING PRESSURE
REMOVAL AND REPLACEMENT OF THERMISTOR
REMOVAL AND REPLACEMENT OF FAN MOTOR
I. SPECIFICATIONS
KM-2400SRF3, KM-2400SRH3 Remote air-cooled, 3 phase
2. CONDENSING UNIT, URC-24F
SPECIFICATIONS MODEL URC-24F
II. GENERAL INFORMATION 1. CONSTRUCTION
Float SwitchPressure Switch Cleaning Valve Control Box
Evaporator Spray Tube
Water Valve
Features of Control Products “E” Controller Board
2. CONTROLLER BOARD
a SOLID-STATE CONTROL
b CONTROLLER BOARD
2 Defrost Timer
3 High Temperature Safety - 127 ± 7F
4 Low Water Safety
6 LED Lights and Audible Alarm Safeties
1 beep every 3 sec. = High Evaporator Temperature 127 F
1 Minute Fill Cycle
Harvest Cycle
Freeze Cycle
Control Products HOSHIZAKI001 Board
Control Products HOS-001A Board
c SEQUENCE 1st Cycle
2nd Cycle and after with pump drain
IMPORTANT Water Valve opening is limited to 6 minutes
2nd Cycle and after with no pump drain
IMPORTANT Water Valve opening is limited to 6 minutes
KM-2400SRH3
d CONTROLS AND ADJUSTMENTS
KM-2400SRF3
Resistance k Ω
3 Drain Timer
The Drain Timer is factory-adjusted, and no adjustment is required
SETTING
Dip Switch
e CHECKING THE CONTROLLER BOARD
At this point, the unit should start the defrost cycle
After the 1 minute water supply cycle, the defrost cycle starts
III. TECHNICAL INFORMATION
1. WATER CIRCUIT AND REFRIGERANT CIRCUIT
2. WIRING DIAGRAM
High Pressure Switch ACB-2UB09 Cut-out 412 +210 PSIG
Cut-in
327 ± 21 PSIG
3. TIMING CHART
Page
4. PERFORMANCE DATA
IV. SERVICE DIAGNOSIS 1. NO ICE PRODUCTION
PROBLEM
POSSIBLE CAUSE
REMEDY
REMEDY
PROBLEM
POSSIBLE CAUSE
REMEDY
PROBLEM
POSSIBLE CAUSE
2. EVAPORATOR IS FROZEN UP
PROBLEM
POSSIBLE CAUSE
REMEDY
3. LOW ICE PRODUCTION
4. ABNORMAL ICE
5. OTHERS
Solenoid Valve, water system
V. REMOVAL AND REPLACEMENT OF COMPONENTS
1. SERVICE FOR REFRIGERANT LINES
a REFRIGERANT RECOVERY
b EVACUATION 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
6. REMOVAL AND REPLACEMENT OF HOT GAS VALVE AND LINE VALVE
7. REMOVAL AND REPLACEMENT OF EVAPORATOR IMPORTANT
8. REMOVAL AND REPLACEMENT OF CONDENSING PRESSURE REGULATOR C.P.R
9. REMOVAL AND REPLACEMENT OF THERMISTOR CAUTION
10. REMOVAL AND REPLACEMENT OF FAN MOTOR
11. REMOVAL AND REPLACEMENT OF WATER VALVE
12. REMOVAL AND REPLACEMENT OF PUMP MOTOR
15. REMOVAL AND REPLACEMENT OF SPRAY TUBES
VI. CLEANING AND MAINTENANCE INSTRUCTIONS IMPORTANT
1. PREPARING THE ICEMAKER FOR LONG STORAGE
2 Drain the Potable Water Tank 1 Turn off the power supply
2 Move the Control Switch to the “OFF” position
5 Remove all ice from the Storage Bin, and clean the Storage Bin
4 Replace the removed parts in their correct positions
2. CLEANING PROCEDURE
a CLEANING PROCEDURE
19 Turn on the power supply to fill the Water Tank with water
20 Turn off the power supply after 3 to 5 minutes
21 Remove the Front Panel, and fully open the Cleaning Valve
22 Move the Control Switch to the “Wash” position
b SANITIZING PROCEDURE - Following Cleaning Procedure
3. MAINTENANCE
