Hoshizaki KM-320MWH, KM-320MAH service manual 352

Page 27

2. KM-320MWH

APPROXIMATE ICE

 

 

 

WATER TEMP. (ºF/ºC)

 

 

PRODUCTION PER 24 HR.

115-120/60/1

 

 

 

 

 

 

 

 

 

50/10

 

 

70/21

 

 

90/32

 

 

 

 

70/21

352

160

 

348

158

 

324

147

 

 

 

 

80/27

349

158

 

342

155

 

309

140

lbs./day

 

kg./day

 

90/32

348

158

 

337

153

 

308

140

 

 

100/38

337

153

 

330

150

 

281

127

 

 

APPROXIMATE ELECTRIC

70/21

 

730

 

 

727

 

 

722

CONSUMPTION

80/27

 

728

 

 

723

 

 

718

 

 

 

 

90/32

 

727

 

 

720

 

 

715

watts

 

 

 

100/38

 

726

 

 

719

 

 

710

APPROXIMATE WATER

70/21

430

1.63

 

476

1.80

 

682

2.58

CONSUMPTION PER 24 HR.

80/27

465

1.76

 

535

2.03

 

822

3.11

 

 

m3/day

90/32

476

1.80

 

585

2.21

 

842

3.19

gal./day

 

100/38

605

2.29

 

645

2.44

 

1078

4.08

FREEZING CYCLE TIME

70/21

 

27

 

 

28

 

 

30

 

 

 

 

80/27

 

28

 

 

30

 

 

32

 

 

 

 

90/32

 

28

 

 

31

 

 

33

min.

 

 

 

100/38

 

29

 

 

31

 

 

35

HARVEST CYCLE TIME

70/21

 

5.0

 

 

4.4

 

 

4.0

 

 

 

 

80/27

 

4.5

 

 

3.5

 

 

3.4

 

 

 

 

90/32

 

4.4

 

 

2.8

 

 

2.6

min.

 

 

 

100/38

 

3.6

 

 

2.8

 

 

2.4

HEAD PRESSURE

70/21

263

18.5

 

263

18.5

 

265

18.6

 

 

 

 

80/27

263

18.5

 

263

18.5

 

265

18.7

 

kg/cm2G

90/32

263

18.5

 

263

18.5

 

265

18.6

PSIG

100/38

264

18.6

 

263

18.5

 

267

18.8

SUCTION PRESSURE

70/21

53

3.7

 

54

3.8

 

55

3.9

 

 

 

 

80/27

54

3.8

 

56

3.9

 

56

3.9

 

kg/cm2G

90/32

54

3.8

 

57

4.0

 

58

4.0

PSIG

100/38

54

3.8

 

57

4.0

 

58

4.1

TOTAL HEAT OF REJECTION FROM CONDENSER

5,700 BTU/h [AT 90ºF (32ºC) / WT 70ºF (21ºC)]

TOTAL HEAT OF REJECTION FROM COMPRESSOR

1,000 BTU/h [AT 90ºF (32ºC) / WT 70ºF (21ºC)]

WATER FLOW FOR CONDENSER

45 gal./h [AT 100ºF (38ºC) / WT 90ºF (32ºC)]

PRESSURE DROP OF COOLING WATER LINE

less than 10 PSIG

Note: Pressure data is recorded at 5 minutes into freeze cycle. The data not in bold should be used for reference only.

We reserve the right to make changes in specifications and design without prior notice.

27

Image 27
Contents KM-320MAH KM-320MWH Hoshizaki AMERICA, INC Contents Page Approximate Storage Capacity Electric & Water Consumption Specifications KM-320MAH air-cooledWater Cooled Condenser KM-320MWH water-cooledKM-320MAH air-cooled II. General Information ConstructionKM-320MWH water-cooled Controller Board Features of Control Products E Controller BoardController Board Solid-State ControlHigh Temperature Safety 127 ± 7F 53 ± 4C LED Control Products HOS-001A Board Sequence 1st Cycle 2nd Cycle and after with pump drain 2nd Cycle and after with no pump drain Controls and Adjustments Defrost Control Drain Timer Checking the Controller Board Freeze TimerPage KM-320MAH KM-320MWH KM-320MAH, KM-320MWH Wiring DiagramTiming Chart Page 117 Performance Data352 Problem Possible Cause Remedy IV. Service Diagnosis No Ice ProductionProblem Possible Cause Remedy Problem Possible Cause Remedy Evaporator is Frozen Up Problem Possible Cause Remedy Low Ice Production Abnormal IceOther Evacuation and Recharge R-404A Removal and Replacement of ComponentsService for Refrigerant Lines Refrigerant RecoveryBrazing Removal and Replacement of Compressor Removal and Replacement of Expansion Valve Removal and Replacement of DrierRemoval and Replacement of Hot Gas Valve and Line Valve Removal and Replacement of Evaporator Removal and Replacement of Thermistor Removal and Replacement of Water Valve Removal and Replacement of Fan MotorRemoval and Replacement of Spray Tubes Removal and Replacement of Pump MotorPage Adjustment Of Water Regulating Valve Water-Cooled Model Only Preparing the Icemaker for Long Storage VI. Cleaning and Maintenance InstructionsPage Cleaning and Sanitizing Instructions Cleaning Procedure Sanitizing Procedure Following Cleaning Procedure Condenser except water-cooled model MaintenanceStainless Steel Exterior Storage Bin and Scoop
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KM-320MWH, KM-320MAH specifications

Hoshizaki, a leading manufacturer in the food service equipment sector, offers a diverse range of ice-making machines that excel in efficiency, durability, and innovative technology. Among the notable models are the Hoshizaki MWH KM-515MAH, MWH(-M), MRH KM-901MAH, MRH KM-600MAH, KM-650MAH, and KM-320MAH. Each model brings unique features designed to meet varying commercial ice production needs.

The Hoshizaki MWH KM-515MAH is particularly recognized for its high ice production capacity, generating up to 515 pounds of ice per day. This model incorporates advanced technology that ensures consistent ice quality and purity. The MWH(-M) variant often includes modifications to suit specific operational environments, ensuring reliability in diverse settings.

Similarly, the MRH KM-901MAH stands out with its ability to produce a staggering 901 pounds of ice per day, making it ideal for high-volume establishments. This model is equipped with Hoshizaki's unique "cubelet" technology, producing a soft, chewable ice perfect for beverages. It also features a robust stainless steel construction, enhancing its durability and resistance to corrosion.

The MRH KM-600MAH offers 600 pounds of daily ice output, while the KM-650MAH enhances that capacity to 650 pounds. Both machines prioritize energy efficiency and come with built-in energy-saving modes. These models feature advanced ice sensing technology that monitors production levels to optimize energy consumption and reduce waste.

On the other hand, the KM-320MAH is designed for smaller establishments, with a daily ice production rate of 320 pounds. Despite its smaller footprint, it maintains high production efficiency and is equipped with features like a built-in storage bin, saving space while ensuring a reliable ice supply.

Across these models, Hoshizaki employs various technologies, including air-cooled and water-cooled systems, offering flexibility depending on installation requirements. The ice machines are designed with user-friendly controls and features like self-cleaning capabilities, making maintenance straightforward and less time-consuming.

In summary, Hoshizaki's ice machines, including the MWH KM-515MAH, MRH KM-901MAH, and others, deliver exceptional ice production, durability, and efficiency tailored to meet the demands of any commercial kitchen or service establishment. With a commitment to quality, Hoshizaki continues to be a trusted choice for businesses needing reliable ice-making solutions.