Hoshizaki KMD-700MWH, KMD-900MAH, KMD-700MAH, KMD-700MRH, KMD-900MWH, KMD-900MRH service manual 886

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[e] KMD-900MWH

APPROXIMATE ICE

AMBIENT TEMP.

 

 

WATER TEMP. (ºF/ºC)

 

 

PRODUCTION PER 24 HR.

(ºF/ºC)

 

50/10

 

 

70/21

 

90/32

 

 

 

 

 

70/21

886

402

 

859

390

 

816

370

 

 

 

 

80/27

865

392

 

823

373

 

777

352

lbs./day

 

kg./day

 

90/32

859

390

 

793

360

 

747

339

 

100/38

848

385

 

782

355

 

705

320

 

 

 

 

 

 

 

 

 

 

APPROXIMATE ELECTRIC

70/21

 

1950

 

 

1950

 

1977

 

CONSUMPTION

80/27

 

1950

 

 

1950

 

1992

 

 

 

 

 

90/32

 

1950

 

 

1950

 

1986

 

watts

 

 

 

100/38

 

1965

 

 

1959

 

2020

 

APPROXIMATE WATER

70/21

978

3.70

 

1023

3.87

 

1260

4.77

CONSUMPTION PER 24 HR.

80/27

1013

3.83

 

1083

4.10

 

1417

5.36

 

 

 

 

90/32

1023

3.87

 

1132

4.28

 

1430

5.41

gal./day

 

m3/day

100/38

1166

4.41

 

1202

4.55

 

1704

6.45

FREEZING CYCLE TIME

70/21

 

14

 

 

15

 

16

 

 

 

 

 

80/27

 

14

 

 

15

 

16

 

 

 

 

 

90/32

 

15

 

 

16

 

17

 

min.

 

 

 

100/38

 

15

 

 

16

 

18

 

HARVEST CYCLE TIME

70/21

 

3.2

 

 

3.0

 

2.5

 

 

 

 

 

80/27

 

3.0

 

 

2.7

 

2.4

 

 

 

 

 

90/32

 

3.0

 

 

2.4

 

2.3

 

min.

 

 

 

100/38

 

2.7

 

 

2.4

 

2.2

 

HEAD PRESSURE

70/21

275

19.3

 

276

19.4

 

285

20.0

 

 

 

 

80/27

276

19.4

 

277

19.5

 

290

20.4

 

 

 

 

90/32

276

19.4

 

278

19.5

 

289

20.4

PSIG

kg/cm2G

100/38

280

19.7

 

281

19.7

 

300

21.1

SUCTION PRESSURE

70/21

32

2.2

 

33

2.3

 

39

2.7

 

 

 

 

80/27

33

2.3

 

34

2.4

 

43

3.0

 

 

 

 

90/32

33

2.3

 

35

2.5

 

43

3.0

PSIG

kg/cm2G

100/38

36

2.5

 

37

2.6

 

50

3.5

TOTAL HEAT OF REJECTION FROM CONDENSER

13,480 BTU/h [AT 90ºF (32ºC) / WT 70ºF (21ºC)]

TOTAL HEAT OF REJECTION FROM COMPRESSOR

2,440 BTU/h [AT 90ºF (32ºC) / WT 70ºF (21ºC)]

WATER FLOW FOR CONDENSER

61 GAL./HR [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.

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Contents Item # Issued June 2, 2003 Revised July 28 Hoshizaki AMERICA, INC Contents Page Specifications 1. KMD-700MAH Approximate Storage Capacity Electric & Water ConsumptionKMD-700MWH Water Cooled CondenserKMD-700MRH KMD-900MAH KMD-900MWH KMD-900MRH Condensing Unit URC-12FModel URC-12F II. General Information Construction KMD-700MAHKMD-700MWH KMD-700MRH KMD-900MAH KMD-900MWH KMD-900MRH Solid-State Control Features of Control Products E Controller BoardController Board Controller BoardPage LED Control Products HOS-001A Board Sequence 1st Cycle Important Water valve opening is limited to 6 minutes2nd Cycle and after with pump drain 2nd Cycle and after with no pump drain Controls and Adjustments Setting Time Setting Frequency 60 min Checking the Controller Board Explanation of Operation Proximity SwitchMechanical Bin Control Troubleshooting KMD-700MAH and KMD-900MAH KMD-700MWH and KMD-900MWH KMD-700MRH and KMD-900MRH Wiring Diagrams A1 KMD-700MAH and KMD-700MWH auxiliary code R-0 and earlierA2 KMD-700MAH and KMD-700MWH auxiliary code R-1 and later B1 KMD-700MRH auxiliary code R-0 and earlier B2 KMD-700MRH auxiliary code R-1 and later C1 KMD-900MAH and KMD-900MWH auxiliary code R-0 and earlier C2 KMD-900MAH and KMD-900MWH auxiliary code R-1 and later D1 KMD-900MRH auxiliary code R-0 and earlier D2 KMD-900MRH auxiliary code R-1 and later Timing Chart Page Performance Data 202701 730 875 886 906 IV. Service Diagnosis No Ice Production Problem Possible Cause RemedyProblem Possible Cause Remedy From Controller Board Defective See II.2e Checking Previous Evaporator is Frozen Up Other Low Ice ProductionAbnormal Ice Refrigerant Recovery Removal and Replacement of ComponentsService for Refrigerant Lines Evacuation and Recharge R-404ABrazing Removal and Replacement of Compressor Page Removal and Replacement of Drier Removal and Replacement of Expansion ValveRemoval and Replacement of Hot Gas Valve and Line Valve Page Removal and Replacement of Evaporator Page Adjustment of Water Regulating Valve Water-Cooled Model Only Page Removal and Replacement of Thermistor Removal and Replacement of Fan Motor Removal and Replacement of Water Valve Removal and Replacement of Pump MotorRemoval and Replacement of Spray Tubes Removal and Replacement of Bin Control Page Page Top View Cleaning Instructions Cleaning ProcedurePage Page Sanitizing Procedure Following Cleaning Procedure Maintenance
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KMD-900MRH, KMD-900MWH, KMD-700MRH, KMD-700MWH, KMD-700MAH specifications

The Hoshizaki KMD series offers a range of high-performance ice machines designed to meet the needs of various commercial applications, including restaurants, bars, and healthcare facilities. Models such as the KMD-700MAH, KMD-700MRH, KMD-900MRH, KMD-900MWH, and KMD-900MAH are equipped with innovative technologies and features that ensure efficient ice production and reliable operation.

The KMD-700MAH model is known for its adaptability and efficiency, producing flake ice that is ideal for use in various applications like food preservation, cooling drinks, and more. With a production capacity of up to 700 pounds of ice per day, this model is perfect for medium-sized establishments. Its advanced design incorporates a unique evaporator that enhances ice production while minimizing energy consumption.

Similarly, the KMD-700MRH offers versatility with a similar production capacity, focusing on reliability and performance. This model uses a high-efficiency compressor and a self-contained refrigeration system, ensuring consistent ice production across different ambient conditions. The KMD-700MRH is especially suitable for locations that require frequent and reliable ice replenishment.

The KMD-900 series takes performance a step further, with the KMD-900MRH and KMD-900MAH providing a higher production capacity of up to 900 pounds per day. These machines leverage Hoshizaki’s patented air-cooled technology, which enhances efficiency and reduces operating costs. The robust construction and advanced features make them ideal for high-demand environments.

The KMD-900MWH variant offers an innovative water-cooled option, suitable for businesses in areas with high ambient temperatures or those where air-cooled machines might struggle. By utilizing a water cooling system, it ensures stable performance even in challenging conditions, making it a dependable choice for busy kitchens.

All models in the KMD series feature an easy-to-use digital control panel, which allows for effortless monitoring and adjustments to operations. This technology not only simplifies management but also enables users to receive real-time alerts regarding machine status and maintenance needs, ultimately minimizing downtime.

In summary, the Hoshizaki KMD-700MAH, KMD-700MRH, KMD-900MRH, KMD-900MWH, and KMD-900MAH models are equipped with advanced ice-making technologies designed to deliver high production rates, efficient energy consumption, and reliable performance. Whether it's for a restaurant, bar, or healthcare application, these machines bring together reliability and versatility, making them indispensable tools for any commercial kitchen environment.
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