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

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3. DCM-750BWH

AC SUPPLY VOLTAGE

115/60/1

 

 

 

 

COMPRESSOR

120 V

13.2 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. 90%, 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

 

 

 

BIN CONTROL SYSTEM

Mechanical Bin Control ( Proximity Sw. )

COMPRESSOR

Hermetic,

Model RS55C2E-CAA-219

CONDENSER

Air-cooled, Fin and 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 DCM-750BAH Specifications IcemakerWater TEMP. F DCM-750BAH-OSPotable Water WATER-COOLED Condenser DCM-750BWHPotable Water Water Cooled Condenser DCM-750BWH-OSII. General Information Construction DCM-750BWH-OS Ice Making Unit Sequence of Operation Startup Control Board Control Board Control Board Layout DCM-750BAH, DCM-750BWHDCM-750BAH-OS, DCM-750BWH-OS LED Lights FeaturesIce Making Components Controls and Adjustments Portion ControlControl Board Check Procedure Power SupplyDispensing Components DCM-750BAH, DCM-750BWH Float Switch Inlet Water Valve DCM-750BWH-OS Wire Color Code Wiring DiagramsDCM-750BAH-OS, DCM-750BWH-OS DCM-750BWH-OS Sequence of Electrical Circuit Ice MakingIce Purge Cycle Orange WHITE/BLACK Pink WHITE/BROWN RED WHITE/BLUE Violet Hour Drain Cycle / Drain Switch Shutdown Low Water Safety High Pressure Switch Continuous Dispense Sequence of Electrical Circuit DispensingPortion Dispense 192 Performance DataApproximate IV. Service Diagnosis Diagnostic Procedure Ice Production Check No Ice Production Diagnostic ChartsProblem Possible Cause Remedy Problem Possible Cause Remedy Low Ice Production Other Dispensing Opti Serve OS Sensors 5b. Ice Dispensing Portion Mode 5a. Ice Dispensing Continuous Mode5c. Water Dispensing Brazing Removal and Replacement of ComponentsService for Refrigerant Lines Refrigerant RecoveryEvacuation and Recharge R-404A Removal and Replacement of Compressor Removal and Replacement of Expansion Valve Removal and Replacement of Evaporator Assembly Components Upper Bearing Wear Check Removal and Replacement of Extruding HeadRemoval and Replacement of Evaporator Removal and Replacement of AugerPage 5b. Lower Housing Removal and Replacement of Gear Motor Page Removal and Replacement of Water-Cooled Condenser Page Removal and Replacement of Fan Motor Adjustment of Water Regulating Valve Water-Cooled Model OnlyRemoval and Replacement of Drain Valve Removal and Replacement of Inlet or Dispensing Water ValveDispensing Auger and Agitator Removal and Replacement of Dispensing SystemDispensing or Agitating Motor Page Cleaning and Sanitizing Instructions VI. Cleaning and MaintenanceWater System Cleaning SolutionDispensing Components Sanitizing SolutionBin Control Bracket Snap Pin Frequency Area Task MaintenancePreparing the Icemaker for Long Storage