Hoshizaki DCM-750BAH-OS service manual DCM-750BWH-OS, Potable Water Water Cooled Condenser

Page 8

4. DCM-750BWH-OS

AC SUPPLY VOLTAGE

115/60/1

 

 

 

 

 

 

 

COMPRESSOR

120 V

10 RLA

 

 

60 LRA

GEAR MOTOR

120 V

3 FLA

 

 

1/4 HP

AGITATING MOTOR

120 V

1.8 FLA (Total)

 

110 W

DISPENSING MOTOR

120 V

0.9 FLA

 

 

55 W

OTHER

120 V

0.6 A

 

 

 

 

 

 

MAXIMUM FUSE SIZE

20 A

 

 

 

 

 

 

 

MAX. HACR BREAKER (USA ONLY)

20 A

 

 

 

 

 

 

 

MAX. CIRC. BREAKER (CANADA ONLY)

20 A

 

 

 

 

 

 

 

MINIMUM CIRCUIT AMPACITY

20 A

 

 

 

 

 

 

 

APPROXIMATE ICE PRODUCTION

Ambient

 

WATER TEMP. (°F)

 

 

PER 24 HR.

Temp.(°F)

50

70

 

90

 

lbs./day ( kg/day )

70

* 744

337

719

326

708

321

 

Reference without *marks

80

696

316

684

310

673

305

 

 

90

662

300

* 654

297

640

291

 

SHAPE OF ICE

100

630

286

620

281

* 573

260

 

Cubelet

(Compressed Flake Ice)

 

 

 

 

ICE QUALITY

Approx. 88%, Ice

(90/70°F, Conductivity 200 µs/cm)

APPROXIMATE STORAGE CAPACITY

95 lbs.

 

 

 

 

 

 

 

ELECTRIC & WATER CONSUMPTION

90/70°F

 

 

70/50°F

 

 

 

ELECTRIC W (kWH/100 lbs.)

1383 (5.1)

 

1410 (4.5)

 

 

 

POTABLE WATER

89 (12)

 

 

78 (12)

 

 

 

 

WATER - COOLED CONDENSER

606 (81.4)

 

325 (49.7)

 

 

 

gal./24HR (gal./100 lbs.)

 

 

 

 

 

 

 

 

EXTERIOR DIMENSIONS (WxDxH)

34-1/16" x 28-1/2" x 48-1/16" (865 x 723 x 1221 mm)

EXTERIOR FINISH

Stainless Steel; Galvanized Steel (Rear)

 

 

WEIGHT

Net 375 lbs. ( 170 kg ), Shipping 405 lbs. ( 184 kg )

CONNECTIONS - ELECTRIC

Permanent Connection

 

 

 

 

 

- WATER SUPPLY

Inlet 1/2" FPT

 

Condenser Inlet

1/2" FPT

- DRAIN

Drain Pan 3/4" FPT

Condenser Outlet

1/2" FPT

 

Bin Drain 3/4" FPT

 

 

 

 

 

 

ICE MAKING SYSTEM

Auger type

 

 

 

 

 

 

 

HARVESTING SYSTEM

Direct Driven Auger ( 1/4 HP Gear Motor )

 

 

ICE MAKING WATER CONTROL

Float Switch

 

 

 

 

 

 

COOLING WATER CONTROL

Water Regulating Valve

 

 

 

 

 

DISPENSER CONTROL SYSTEM

Photoelectric Sensor (Infrared)

 

 

 

 

BIN CONTROL SYSTEM

Mechanical Bin Control ( Proximity Sw. )

 

 

COMPRESSOR

Hermetic,

Model RS55C1E-PAA

 

 

 

CONDENSER

Water-cooled, Double tube type

 

 

 

 

EVAPORATOR

Copper Tube on Cylinder

 

 

 

 

 

REFRIGERANT CONTROL

Thermostatic Expansion Valve

 

 

 

 

REFRIGERANT CHARGE

R-404A,

1 lb. 2.7 oz.

(530 g)

 

 

 

 

DESIGN PRESSURE

High 460 PSIG, Low 290 PSIG

 

 

 

 

P.C. BOARD CIRCUIT PROTECTION

High Voltage Cut-off Relay

 

 

 

 

COMPRESSOR PROTECTION

Auto-reset Overload Protector

 

 

 

 

GEAR MOTOR PROTECTION

Manual reset Circuit Breaker

 

 

 

 

REFRIGERANT CIRCUIT PROTECTION

Auto-reset High Pressure Control Switch

 

 

LOW WATER PROTECTION

Float Switch and Timer

 

 

 

 

 

ACCESSORIES - SUPPLIED

Spare Fuse

 

 

 

 

 

 

 

- REQUIRED

Legs

 

 

 

 

 

 

 

OPERATING CONDITIONS

VOLTAGE RANGE

 

 

104 - 127 V

 

AMBIENT TEMP.

 

 

 

45 - 100° F

 

WATER SUPPLY TEMP.

 

 

45 - 90° F

 

WATER SUPPLY PRESSURE

 

10 - 113 PSIG

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

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Contents DCM-750BAH DCM-750BAH-OS DCM-750BWH DCM-750BWH-OS Hoshizaki AMERICA, INC Contents Page Specifications Icemaker DCM-750BAHDCM-750BAH-OS Water TEMP. FDCM-750BWH Potable Water WATER-COOLED CondenserDCM-750BWH-OS Potable Water Water Cooled CondenserII. General Information Construction DCM-750BWH-OS Ice Making Unit Sequence of Operation Startup Control Board Control Board Layout DCM-750BAH, DCM-750BWH Control BoardDCM-750BAH-OS, DCM-750BWH-OS Features LED LightsControls and Adjustments Portion Control Control Board Check ProcedurePower Supply Ice Making ComponentsDispensing Components DCM-750BAH, DCM-750BWH Float Switch Inlet Water Valve DCM-750BWH-OS Wiring Diagrams Wire Color CodeDCM-750BAH-OS, DCM-750BWH-OS Sequence of Electrical Circuit Ice Making DCM-750BWH-OSIce Purge Cycle Orange WHITE/BLACK Pink WHITE/BROWN RED WHITE/BLUE Violet Hour Drain Cycle / Drain Switch Shutdown Low Water Safety High Pressure Switch Sequence of Electrical Circuit Dispensing Continuous DispensePortion Dispense Performance Data 192Approximate IV. Service Diagnosis Diagnostic Procedure Ice Production Check Diagnostic Charts No Ice ProductionProblem Possible Cause Remedy Problem Possible Cause Remedy Low Ice Production Other Dispensing Opti Serve OS Sensors 5c. Water Dispensing 5a. Ice Dispensing Continuous Mode5b. Ice Dispensing Portion Mode Removal and Replacement of Components Service for Refrigerant LinesRefrigerant Recovery BrazingEvacuation and Recharge R-404A Removal and Replacement of Compressor Removal and Replacement of Expansion Valve Removal and Replacement of Evaporator Assembly Components Removal and Replacement of Extruding Head Upper Bearing Wear CheckRemoval and Replacement of Auger Removal and Replacement of EvaporatorPage 5b. Lower Housing Removal and Replacement of Gear Motor Page Removal and Replacement of Water-Cooled Condenser Page Adjustment of Water Regulating Valve Water-Cooled Model Only Removal and Replacement of Fan MotorRemoval and Replacement of Inlet or Dispensing Water Valve Removal and Replacement of Drain ValveDispensing or Agitating Motor Removal and Replacement of Dispensing SystemDispensing Auger and Agitator Page VI. Cleaning and Maintenance Cleaning and Sanitizing InstructionsCleaning Solution Water SystemSanitizing Solution Dispensing ComponentsBin Control Bracket Snap Pin Maintenance Frequency Area TaskPreparing the Icemaker for Long Storage