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
55
2. KMD-860MWJ
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.) 1400 (3.90) 1410 (3.60)
WATER gal./24HR (gal./100 lbs.) 176 (20.5) 254 (27.0)
ICE PRODUCTION PER CYCLE 12.8 lbs. (5.8 kg) 720pcs.
BIN CONTROL SYSTEM Mechanical Lever Switch
REFRIGERANT CHARGE TOTAL R404A, 1 lb. 12.2 oz. (800g)
ICEMAKER, 1 lb. 12.2 oz. (800g)
Performance Data Sheet
70/21 940 426
917 416 870 395
80/27 923 418 887 402 831 377
90/32 917 416 862 391 809 367
lbs./day kg./day
100/38 902 409 850 385 760 345
70/21
80/27
90/32
watts 100/38
70/21 884 3.34
1027 3.89 1072 4.06
80/27 993 3.76 1217 4.61 1176 4.45
90/32 1027 3.89 1374 5.20 1371 5.19
gal./day m
3
/day
100/38 1179 4.46 1374 5.20 1368 5.18
70/21
80/27
90/32
min. 100/38
70/21
80/27
90/32
min. 100/38
70/21 237 16.7
238 16.8 248 17.5
80/27 238 16.7 240 16.9 255 17.9
90/32 238 16.8 242 17.0 255 17.9
PSIG kg/cm
2
G
100/38 243 17.1 245 17.2 266 18.7
70/21 39 2.7 40 2.8 44 3.1
80/27 40 2.8 42 3.0 47 3.3
90/32 40 2.8 44 3.1 48 3.4
PSIG kg/cm
2
G
100/38 42 2.9 45 3.2 52 3.7
11,000 BTU/h [AT 90ºF (32ºC) / WT 70ºF (21ºC)]
TOTAL HEAT OF REJECTION FROM COMPRESSOR 1,600 BTU/h [AT 90ºF (32ºC) / WT 70ºF (21ºC)]
2.3 2.1 2.1
HEAD PRESSURE
SUCTION PRESSURE
TOTAL HEAT OF REJECTION FROM CONDENSER
HARVEST CYCLE TIME
2.6 2.4 2.4
2.5 2.2 2.3
2.4 2.1 2.1
20
18 19 20
18 20 21
1387 1388 1300
APPROXIMATE WATER
CONSUMPTION PER 24 HR.
FREEZING CYCLE TIME
17 18 19
18 19
APPROXIMATE ELECTRIC
CONSUMPTION
1410 1407 1367
1408 1403 1344
1407 1400 1348
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