Service Manual
Table Of Contents
- Important Safety Information
- I. Construction and Water/Refrigeration Circuit Diagram
- II. Sequence of Operation and Service Diagnosis
- III. Controls and Adjustments
- A. Control Board Layout
- B. LED Lights and Audible Alarm Safeties
- C. Settings and Adjustments
- 1. Default Dip Switch Settings
- 2. Harvest Time (S4 dip switch 1 & 2)
- 3. Pump-Out Time/Harvest Time During Pump-Out (S4 dip switch 3 & 4)
- 4. Pump-Out Frequency Control (S4 dip switch 5)
- 5. Harvest Pump Time (Harvest Assist Duration) (S4 dip switch 6)
- 6. Harvest Pump Time (Harvest Assist) (S4 dip switch 7)
- 7. Factory Use (S4 dip switch 8)
- 8. Freeze Timer (S4 dip switch 9 & 10)
- 9. Pump-Out Pump Motor Direction (S5 dip switch 1)
- 10. Refill Counter (S5 dip switch 2 and 3)
- 11. Minimum Harvest Time (S5 dip switch 4)
- 12. Slush Control (S5 dip switch 5)
- IV. Refrigeration Circuit and Component Service Information
- V. Maintenance
- VI. Preparing the Appliance for Periods of Non-Use
- VII. Disposal
- VIII. Technical Information
45
VIII. Technical Information
We reserve the right to make changes in specications and design without prior notice.
A. Specication and Performance Data Sheets
Pressure data is recorded at 5 min. into freezing cycle. The data not in bold should be
used for reference only.
1. KM-520MAJ-E
Specification Sheet
AC SUPPLY VOLTAGE 230/1/50
AMPERAGE 8.4 A (5 Min. Freeze AT 104°F/WT 80°F)
MINIMUM CIRCUIT AMPACITY 15 A
MAXIMUM FUSE SIZE 15 A
ELECTRIC & WATER CONSUMPTION 90/70°F 70/50°F
ELECTRIC W (kWH/100 lbs.) 1180 (6.52) 1070 (4.88)
WATER gal./24HR (gal./100 lbs.) 124 (28.5) 211 (40.1)
APPROXIMATE ICE PRODUCTION
PER 24 HR. FOR EUROPE MARKET
10/10°C 20/15°C 30/25°C
lbs./day (kg/day) *555 (252) *515 (234) *424 (192)
SHAPE OF ICE Crescent Cube
ICE PRODUCTION PER CYCLE 10.9 lbs. (4.9 kg) 480pcs.
BIN CONTROL SYSTEM Ultra-Sonic Sensor
REFRIGERANT CHARGE R404A, 1 lb. 1.7 oz. (500g)
Performance Data Sheet
70/21 525 238 498 226 449 204
80/27 505 229 463 210 407 185
90/32 498 226 434 197 380 172
lbs./day kg./day
100/38 484 220 421 191 330 150
70/21
80/27
90/32
watts 100/38
70/21 211 0.80 185 0.70 165 0.63
80/27 191 0.72 152 0.57 140 0.53
90/32 185 0.70 124 0.47 108 0.41
gal./day m
3
/day
100/38 153 0.58 120 0.46 94 0.36
70/21
80/27
90/32
min. 100/38
70/21
80/27
90/32
min. 100/38
70/21 215 15.1 234 16.5 266 18.7
80/27 230 16.1 259 18.2 294 20.6
90/32 234 16.5 280 19.7 314 22.1
PSIG kg/cm
2
G
100/38 242 17.0 288 20.2 345 24.3
70/21 40 2.8 43 3.0 48 3.4
80/27 42 3.0 47 3.3 52 3.7
90/32 43 3.0 50 3.5 55 3.9
PSIG kg/cm
2
G
100/38 44 3.1 51 3.6 60 4.2
7,300 BTU/h [AT 90ºF (32ºC) / WT 70ºF (21ºC)]
TOTAL HEAT OF REJECTION FROM COMPRESSOR 1,400 BTU/h [AT 90ºF (32ºC) / WT 70ºF (21ºC)]
APPROXIMATE ICE PRODUCTION
PER 24 HR.
AMBIENT
TEMP. (ºF/ºC)
WATER TEMP. (ºF/ºC)
50/10
70/21
90/32
APPROXIMATE ELECTRIC
CONSUMPTION
1070
1102
985
1095
1145
937
1102
1180
1008
1024
1140
850
APPROXIMATE WATER
CONSUMPTION PER 24 HR.
FREEZING CYCLE TIME
22
23
26
23
25
28
23
26
29
24
27
32
HARVEST CYCLE TIME
3.4
3.0
2.8
3.0
2.4
2.5
3.0
2.0
2.0
TOTAL HEAT OF REJECTION FROM CONDENSER
2.5
2.0
2.0
HEAD PRESSURE
SUCTION PRESSURE
ENG.F-011.1.0205