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) (S4 dip switch 6)
- 6. Harvest Pump Time (Harvest Assist)/Freeze-Time Correction (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. Anti-Slush (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
55
2. KM-350MWJ
Specification Sheet
AC SUPPLY VOLTAGE 115/60/1
AMPERAGE 7.5 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.) 780 (4.90) 770 (4.47)
WATER gal./24HR (gal./100 lbs.) 59 (15.5) 96 (23.2)
WATER COOLED CONDENSER 415 (109) 139 (34)
gal./24HR (gal./100 lbs.)
ICE PRODUCTION PER CYCLE 10.5 lbs. (4.8 kg) 480pcs.
BIN CONTROL SYSTEM Ultra-Sonic Sensor
REFRIGERANT CHARGE R404A, 0 lb. 11.6 oz. (330g)
Performance Data Sheet
70/21 414 188 405 184 390 177
80/27 407 185 393 178 376 171
90/32 405 184 383 174 366 166
lbs./day kg./da
y
100/38 401 182 379 172 351 159
70/21
80/27
90/32
watts 100/38
70/21 236 0.89 306 1.16 416 1.57
80/27 289 1.09 398 1.51 516 1.95
90/32 306 1.16 475 1.80 592 2.24
gal./day m
3
/day
100/38 417 1.58 502 1.90 699 2.65
70/21
80/27
90/32
min. 100/38
70/21
80/27
90/32
min. 100/38
70/21 228 16.0 228 16.0 233 16.4
80/27 228 16.0 228 16.0 235 16.5
90/32 228 16.0 228 16.0 234 16.5
PSIG kg/cm
2
G
100/38 231 16.2 229 16.1 240 16.9
70/21 59 4.1 59 4.2 59 4.2
80/27 59 4.2 60 4.2 60 4.2
90/32 59 4.2 60 4.2 60 4.2
PSIG kg/cm
2
G
100/38 59 4.2 60 4.2 60 4.2
6,600 BTU/h [AT 90ºF (32ºC) / WT 70ºF (21ºC)]
TOTAL HEAT OF REJECTION FROM COMPRESSOR 900 BTU/h [AT 90ºF (32ºC) / WT 70ºF (21ºC)]
WATER FLOW FOR CONDENSER 27 gal./h [AT 100ºF (38ºC) / WT 90ºF (32ºC)]
2.1 2.0
HEAD PRESSURE
SUCTION PRESSURE
TOTAL HEAT OF REJECTION FROM CONDENSER
2.4
HARVEST CYCLE TIME
2.8 2.6 2.5
2.7 2.4 2.3
2.6 2.2 2.1
APPROXIMATE WATER
CONSUMPTION PER 24 HR.
FREEZING CYCLE TIME
34 35 36
35 36 37
35 37 38
APPROXIMATE ELECTRIC
CONSUMPTION
770 773 774
772 777 776
773 780 780
APPROXIMATE ICE PRODUCTION
PER 24 HR.
AMBIENT TEMP.
(ºF/ºC)
WATER TEMP. (ºF/ºC)
50/10 70/21 90/32
38
780 780
35 37
772
ENG.F-011.1.0205