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. Float Switch Selector (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 Icemaker for Periods of Non-Use
- VII. Disposal
- VIII. Technical Information
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3. KMD-860MRJ
Specification Sheet
AC SUPPLY VOLTAGE 208-230/60/1
AMPERAGE 10 A
MINIMUM CIRCUIT AMPACITY 20 A
MAXIMUM FUSE SIZE 20 A
ELECTRIC & WATER CONSUMPTION 90/70°F 70/50°F
ELECTRIC W (kWH/100 lbs.) 1810 (5.10) 1690 (4.19)
WATER gal./24HR (gal./100 lbs.) 155 (18.2) 329 (34.1)
ICE PRODUCTION PER CYCLE 12.8 lbs. (5.8 kg) 720pcs.
BIN CONTROL SYSTEM Mechanical Lever Switch
REFRIGERANT CHARGE TOTAL R404A, 9 lb. 14.6 oz. (4497g)
ICEMAKER, 5 lb. 15.9 oz. (2718g)
CONDENSER, 3 lb. 14.8 oz. (1779g)
Performance Data Sheet
70/21 967 439
933 423 882 400
80/27 941 427 888 403 835 379
90/32 933 423 850 386 797 362
lbs./day kg./day
100/38 922 418 838 380 749 340
70/21
80/27
90/32
watts 100/38
70/21 329 1.25
278 1.05 259 0.98
80/27 290 1.10 211 0.80 220 0.83
90/32 278 1.05 155 0.59 151 0.57
gal./day m
3
/day
100/38 223 0.84 154 0.58 148 0.56
70/21
80/27
90/32
min. 100/38
70/21
80/27
90/32
min. 100/38
70/21 205 14.4
222 15.6 244 17.1
80/27 218 15.3 244 17.1 265 18.7
90/32 222 15.6 262 18.4 284 20.0
PSIG kg/cm
2
G
100/38 226 15.9 267 18.8 305 21.4
70/21 36 2.5 39 2.7 43 3.1
80/27 38 2.7 42 3.0 47 3.3
90/32 39 2.7 45 3.2 50 3.5
PSIG kg/cm
2
G
100/38 40 2.8 46 3.2 55 3.9
13,000 BTU/h [AT 90ºF (32ºC) / WT 70ºF (21ºC)]
TOTAL HEAT OF REJECTION FROM COMPRESSOR 2,000 BTU/h [AT 90ºF (32ºC) / WT 70ºF (21ºC)]
2.4 2.0 2.0
HEAD PRESSURE
SUCTION PRESSURE
TOTAL HEAT OF REJECTION FROM CONDENSER
HARVEST CYCLE TIME
3.1 2.7 2.7
2.8 2.3 2.4
2.7 2.0 2.0
21
18 20 22
18 20 23
1801 1860 2220
APPROXIMATE WATER
CONSUMPTION PER 24 HR.
FREEZING CYCLE TIME
17 18 19
17 19
APPROXIMATE ELECTRIC
CONSUMPTION
1690 1725 1896
1717 1771 2010
1725 1810 2024
APPROXIMATE ICE PRODUCTION
PER 24 HR.
AMBIENT TEMP.
(ºF/ºC)
WATER TEMP. (ºF/ºC)
50/10 70/21 90/32
ENG.F-011.1.0205