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 (S1 dip switch 1 & 2)
- 3. Pump-Out Time/Harvest Time During Pump-Out (S1 dip switch 3 & 4)
- 4. Pump-Out Frequency Control (S1 dip switch 5 & 6)
- 5. Harvest Pump Time Duration (Harvest Assist) (S1 dip switch 7 & 8)
- 6. Freeze Timer (S1 dip switch 9 & 10)
- 7. Pump-Out/Drain Selector (S2 dip switch 1)
- 8. Harvest Promotion Control (S2 dip switch 2)
- 9. Minimum Harvest Time (S2 dip switch 3)
- 10. Harvest Completion Detection Control (S2 dip switch 4)
- 11. Overfreeze Detection Control (S2 dip switch 5)
- 12. Slush Control (S2 dip switch 6)
- IV. Refrigeration Circuit and Component Service Information
- V. Maintenance
- VI. Preparing the Appliance for Periods of Non-Use
- VII. Disposal
- VIII. Technical Information
50
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-231BAJ
Specification Sheet
AC SUPPLY VOLTAGE 115/60/1
AMPERAGE 7.1 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.) 520 (8.40) 490 (5.50)
WATER gal./24HR (gal./100 lbs.) 35 (23.5) 58 (27.1)
ICE PRODUCTION PER CYCLE 3.3 lbs. (1.5 kg) 182pcs.
APPROXIMATE STORAGE CAPACITY 80 LBS.
BIN CONTROL SYSTEM Mechanical Bin Control
REFRIGERANT CHARGE R404A, 0 lb. 11.3 oz. (320g)
Performance Data Sheet
70/21 213 96 194 88 168 76
80/27 198 90 168 76 143 65
90/32 194 88 147 67 121 55
lbs./day kg./da
y
100/38 189 86 141 64 98 44
70/21
80/27
90/32
watts 100/38
70/21 58 0.22 51 0.19 45 0.17
80/27 52 0.20 42 0.16 39 0.15
90/32 51 0.19 35 0.13 30 0.11
gal./day m
3
/day
100/38 42 0.16 34 0.13 26 0.10
70/21
80/27
90/32
min. 100/38
70/21
80/27
90/32
min. 100/38
70/21 223 15.7 243 17.1 260 18.2
80/27 238 16.7 268 18.9 280 19.7
90/32 243 17.1 290 20.4 304 21.4
PSIG kg/cm
2
G
100/38 243 17.1 293 20.6 317 22.3
70/21 49 3.4 50 3.5 51 3.6
80/27 50 3.5 52 3.6 52 3.7
90/32 50 3.5 53 3.7 54 3.8
PSIG kg/cm
2
G
100/38 50 3.5 53 3.7 54 3.8
3,750 BTU/h [AT 90ºF (32ºC) / WT 70ºF (21ºC)]
TOTAL HEAT OF REJECTION FROM COMPRESSOR 620 BTU/h [AT 90ºF (32ºC) / WT 70ºF (21ºC)]
TOTAL HEAT OF REJECTION FROM CONDENSER
2.2 2.0 2.0
HEAD PRESSURE
SUCTION PRESSURE
HARVEST CYCLE TIME
2.4 2.3 2.3
2.3 2.1
2.3 2.0 2.0
APPROXIMATE WATER
CONSUMPTION PER 24 HR.
FREEZING CYCLE TIME
22 24 29
24 27 32
24 30 34
APPROXIMATE ELECTRIC
CONSUMPTION
490 499 517
497 510 532
499 520 541
APPROXIMATE ICE PRODUCTION
PER 24 HR.
AMBIENT TEMP.
(ºF/ºC)
WATER TEMP. (ºF/ºC)
50/10 70/21 90/32
2.2
505 525 560
26 31 39
ENG.F-011.1.0205