Manuals
/
Hoshizaki
/
Kitchen Appliance
/
Ice Maker
Hoshizaki
service manual KM-630MAF KM-630MWF KM-630MRF, Hoshizaki Modular Crescent Cuber
Models:
KM-630MRF
KM-630MWF
KM-630MAF
1
1
61
61
Download
61 pages
5.91 Kb
1
2
3
4
5
6
7
8
<
>
Specs
Install
Wiring Diagrams
V. Removal And Replacement Of Components
Maintenance
Problem
Check a thermistor for resistance by using the following procedures
Defrost Timer
d CONTROLS AND ADJUSTMENTS
Setting
Page 1
Image 1
NO.:
73082
ISSUED: MAR. 19, 1999
REVISED: DEC. 15, 2003
HOSHIZAKI
MODULAR CRESCENT CUBER
MODEL
KM-630MAF
KM-630MWF
KM-630MRF
SERVICE MANUAL
Page 2
Page 1
Image 1
Page 2
Contents
KM-630MAF KM-630MWF KM-630MRF
SERVICE MANUAL
HOSHIZAKI MODULAR CRESCENT CUBER
MODEL
HOSHIZAKI AMERICA, INC 618 Highway 74 South Peachtree City, GA
PAGE
CONTENTS
SERVICE FOR REFRIGERANT LINES
V. REMOVAL AND REPLACEMENT OF COMPONENTS
a REFRIGERANT RECOVERY
REMOVAL AND REPLACEMENT OF COMPRESSOR
I. SPECIFICATIONS 1. KM-630MAF
2. KM-630MWF
3. KM-630MRF
4. CONDENSER UNIT URC-6F
MODEL URC-6F
SPECIFICATIONS
a KM-630MAF
II. GENERAL INFORMATION 1. CONSTRUCTION
b KM-630MWF
c KM-630MRF
2. CONTROLLER BOARD
Features of Control Products “E” Controller Board
a SOLID-STATE CONTROL
b CONTROLLER BOARD
3 High Temperature Safety - 127 ± 7F
2 Defrost Timer
4 Low Water Safety
6 LED Lights and Audible Alarm Safeties
1 Minute Fill Cycle
1 beep every 3 sec. = High Evaporator Temperature 127 F
Harvest Cycle
Freeze Cycle
Control Products HOS-001A Board
IMPORTANT Water Valve opening is limited to 6 minutes
c SEQUENCE 1st Cycle
IMPORTANT Water Valve opening is limited to 6 minutes
2nd Cycle and after with pump drain
IMPORTANT Water Valve opening is limited to 6 minutes
2nd Cycle and after with no pump drain
d CONTROLS AND ADJUSTMENTS
Check a thermistor for resistance by using the following procedures
Temperature F
i Disconnect the connector K3 on the board
2 Defrost Timer
The Drain Timer is factory-adjusted, and no adjustment is required
3 Drain Timer
SETTING
Dip Switch
e CHECKING THE CONTROLLER BOARD
After the 1 minute water supply cycle, the defrost cycle starts
At this point, the unit should start the defrost cycle
1. WATER CIRCUIT AND REFRIGERANT CIRCUIT a KM-630MAF
III. TECHNICAL INFORMATION
b KM-630MWF
c KM-630MRF
a KM-630MAF and KM-630MWF
2. WIRING DIAGRAMS
U1GMA0179608
b KM-630MRF
If Float Sw. is OFF
3. TIMING CHART
From Defrost Cycle To Defrost Cycle
To Freeze Cycle From Freeze Cycle
4. PERFORMANCE DATA a KM-630MAF
b KM-630MWF
c KM-630MRF
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
PROBLEM
PROBLEM
5. OTHERS
4. ABNORMAL ICE
Solenoid Valve, water system
1. SERVICE FOR REFRIGERANT LINES
V. REMOVAL AND REPLACEMENT OF COMPONENTS
a REFRIGERANT RECOVERY
b EVACUATION AND RECHARGE R-404A
2. BRAZING DANGER
3. REMOVAL AND REPLACEMENT OF COMPRESSOR IMPORTANT
17 Replace the panels in their correct positions
18 Turn on the power supply
5. REMOVAL AND REPLACEMENT OF EXPANSION VALVE
4. REMOVAL AND REPLACEMENT OF DRIER
KM9311
6. REMOVAL AND REPLACEMENT OF HOT GAS VALVE AND LINE VALVE
3 Recover the refrigerant and store it in an approved container
1 Turn off the power supply 2 Remove the panels
5 Disconnect the Hot Gas Valve or Line Valve using brazing equipment
6 Install the new valve
7. REMOVAL AND REPLACEMENT OF EVAPORATOR IMPORTANT
Page
9. ADJUSTMENT OF WATER REGULATING VALVE - WATER-COOLED MODEL ONLY
Page
Thermistor Lead
11. REMOVAL AND REPLACEMENT OF THERMISTOR CAUTION
Cable Tie
Foam Insulation
Min. 4-3/4 Liquid Bypass Flow
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
7 Move the Control Switch to the “ICE” position
2 Move the Control Switch, on the Control Box, to the “OFF” position
3 Drain the Potable Water Tank 1 Turn off the power supply
2 Move the Control Switch to the “OFF” position
CLOSED POSITION OPEN POSITION
2. CLEANING
a CLEANING PROCEDURE
21 Turn off the power supply after 3 minutes
20 Turn on the power supply to fill the Water Tank with water
22 Remove the Front Panel, and fully open the Cleaning Valve
23 Move the Control Switch to the “Wash” position
b SANITIZING PROCEDURE - Following Cleaning Procedure
3. MAINTENANCE