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 Timer (S4 dip switch 1 & 2)
- 3. Pump-Out Timer (S4 dip switch 3 & 4)
- 4. Pump-Out Frequency Control (S4 dip switch 5 & 6)
- 5. Harvest Pump Timer Operation (S4 dip switch 7)
- 6. Factory Use (S4 dip switch 8)
- 7. Freeze Timer (S4 dip switch 9 & 10)
- 8. Float Switch Selector (S5 dip switch 1)
- 9. Refill Counter (S5 dip switch 2, 3, and 5), Program Selector (4)
- D. Switches
- IV. Refrigeration Circuit and Component Service Information
- V. Maintenance
- VI. Preparing the Appliance for Periods of Non-Use
- VII. Disposal
- VIII. Technical Information
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Specification Sheet
AC SUPPLY VOLTAGE 208-230/60/1 (3 wire with neutral for 115V)
AMPERAGE 8.0 A ( 5 Min. Freeze AT 104°F / WT 80°F)
MINIMUM CIRCUIT AMPACITY 20 A
MAXIMUM FUSE SIZE 20 A
ELECTRIC & WATER CONSUMPTION 90/70°F 70/50°F
ELECTRIC W (kWH/100 lbs.) 1090(4.2) 1050(3.8)
WATER gal./24HR (gal./100 lbs.) 99(16.0) 195(29.1)
WATER COOLED CONDENSER 744(120) 436(65)
gal./24HR (gal./100 lbs.)
ICE PRODUCTION PER CYCLE 10.5 lbs. (4.8 kg) 480 pcs.
BIN CONTROL SYSTEM Thermostatic Bin Control
REFRIGERANT CHARGE R-404A, 1 lb. 6.0 oz. (625g)
Permormance Data Sheet
70/21 671 304
656 298 622 282
80/27 660 299 636 289 595 270
90/32 656 298 620 281 581 264
lbs./day kg./day
100/38 645 293 611 277 546 248
70/21
80/27
90/32
watts 100/38
70/21 631 2.39
693 2.62 1060 4.01
80/27 679 2.57 775 2.93 1298 4.91
90/32 693 2.62 843 3.19 1307 4.95
gal./day m
3
/day
100/38 907 3.43 952 3.60 1734 6.56
70/21
80/27
90/32
min. 100/38
70/21
80/27
90/32
min. 100/38
70/21 239 16.8
240 16.9 246 17.3
80/27 240 16.9 241 16.9 249 17.5
90/32 240 16.9 242 17.0 249 17.5
PSIG kg/cm
2
G
100/38 243 17.1 244 17.1 256 18.0
70/21 34 2.4 35 2.5 39 2.8
80/27 35 2.4 37 2.6 42 3.0
90/32 35 2.5 38 2.7 43 3.0
PSIG kg/cm
2
G
100/38 37 2.6 39 2.8 48 3.4
TOTAL HEAT OF REJECTION FROM COMPRESSOR 1,400 BTU/h [AT 90ºF (32ºC) / WT 70ºF (21ºC)]
WATER FLOW FOR CONDENSER 68.6 gal./h [AT 100ºF (38ºC) / WT 90ºF (32ºC)]
PRESSURE DROP OF COOLING WATER LINE less than 10 PSIG
APPROXIMATE ELECTRIC
CONSUMPTION
1050
APPROXIMATE ICE PRODUCTION
PER 24 HR.
AMBIENT TEMP.
(ºF/ºC)
WATER TEMP. (ºF/ºC)
50/10 70/21 90/32
1062 1073
1059 1077 1086
1062 1090 1100
1063 1092 1110
APPROXIMATE WATER
CONSUMPTION PER 24 HR.
FREEZING CYCLE TIME
20 21 22
21 21 23
21 22 24
21 22 25
HARVEST CYCLE TIME
3.2 2.9 2.8
3.0 2.5 2.5
2.9 2.1 2.1
2.5 2.1 2.1
HEAD PRESSURE
SUCTION PRESSURE
TOTAL HEAT OF REJECTION FROM CONDENSER 8,400 BTU/h [AT 90ºF (32ºC) / WT 70ºF (21ºC)]
ENG.F-011.1.0205
13. KML-631MWH