NOTE: THESE CHARACTERISTICS MAY VARY DEPENDING ON OPERATING CONDITIONS.

Cycle Times

Freeze Time + Harvest Time = Cycle Time

AIR TEMP.

 

FREEZE TIME

 

HARVEST

ENTERING

WATER TEMPERATURE °F/°C

TIME

CONDENSER °F/°C

50/10.0

 

70/21.1

 

90/32.2

 

70/21.1

15.6-17.8

15.3-17.4

 

15.6-17.8

 

80/26.7

16.6-18.9

 

17.0-19.4

 

17.4-19.8

1.0-3.5

90/32.2

17.4-19.8

19.1-21.7

 

18.2-20.7

 

 

100/37.8

19.2-22.1

 

19.8-22.7

 

22.4-25.4

 

110/43.3

24.9-28.2

 

25.7-29.1

 

31.4-35.5

 

Times in minutes

 

 

 

 

 

 

24 Hour Ice Production

AIR TEMP. ENTERING

WATER TEMPERATURE °F/°C

CONDENSER °F/°C

50/10.0

70/21.1

90/32.2

70/21.1

53

54

53

80/26.7

50

49

48

90/32.2

48

44

46

100/37.8

40

39

38

110/43.3

35

34

28

Based on the average weight of 1 harvest cycle 0.63 – 0.71 lb. Nominal Individual Cube Weight 0.70 ounces

Cubes Per Harvest Cycle 16

Operating Pressures

AIR TEMP.

FREEZE CYCLE

HARVEST CYCLE

ENTERING

DISCHARGE

SUCTION

DISCHARGE

SUCTION

CONDENSER

PRESSURE

PRESSURE

PRESSURE

PRESSURE

°F/°C

PSIG

PSIG

PSIG

PSIG

50/10.0

125-70

18-0

50-75

20-55

70/21.1

135-95

18-0

65-85

35-60

80/26.7

165-115

19-2

75-100

40-70

90/32.2

195-135

20-3

85-120

40-70

100/37.8

235-165

24-5

100-135

50-80

110/43.3

255-185

28-7

110-155

50-90

Suction pressure drops gradually throughout the freeze cycle

67

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Image 67
Manitowoc Ice STH003 manual Cycle Times Freeze Time + Harvest Time = Cycle Time