Hoshizaki F-80 I MAH (-c), F-80 I MWH (-c) service manual I. Specification 1. Icemaker, F-801MAH

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I. Specification

1. Icemaker

F-801MAH

AC SUPPLY VOLTAGE

115/60/1

 

 

 

 

 

 

 

 

 

COMPRESSOR

120 V

9.4 RLA

51 LRA

 

 

 

GEAR MOTOR

120 V

3 FLA

 

 

1/4 HP

 

 

 

FAN MOTOR

115 V

0.85 FLA

1/15 HP

 

 

 

OTHER

120 V

0.03 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

* 823

(373)

 

786

(357)

 

748

(339)

 

Reference without *marks

80

711

(323)

 

677

(307)

 

644

(292)

 

 

90

613

(278)

*

599

(272)

 

555

(252)

 

SHAPE OF ICE

100

528

(239)

 

502

(228)

*

471

(214)

 

Flake

 

 

 

 

 

 

 

 

 

ICE QUALITY

Approx. 70%, Ice

(90/70°F, Conductivity 200 µs/cm)

APPROXIMATE STORAGE CAPACITY

N/A

 

 

 

 

 

 

 

 

 

ELECTRIC & WATER CONSUMPTION

90/70°F

 

 

 

70/50°F

 

 

 

ELECTRIC W (kWH/100 lbs.)

1131 (4.5)

 

 

 

1089 (3.2)

 

 

 

 

POTABLE WATER

72 (12)

 

 

 

99 (12)

 

 

 

 

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

 

 

 

 

 

 

 

 

 

 

EXTERIOR DIMENSIONS (WxDxH)

22" x 27-3/8" x 25-15/16" (560 x 695 x 658mm)

EXTERIOR FINISH

Stainless Steel, Galvanized Steel (Rear)

 

 

 

WEIGHT

Net 176 lbs. ( 80 kg ), Shipping 207 lbs. ( 94 kg )

CONNECTIONS - ELECTRIC

Permanent - Connection

 

 

 

 

 

 

- WATER SUPPLY

Inlet 1/2" FPT

 

 

 

 

 

 

 

 

- DRAIN

Outlet 3/4" FPT

 

 

 

 

 

 

 

 

ICE MAKING SYSTEM

Auger type

 

 

 

 

 

 

 

 

 

HARVESTING SYSTEM

Direct Driven Auger ( 1/4HP Gear Motor )

 

 

 

ICE MAKING WATER CONTROL

Float Switch

 

 

 

 

 

 

 

 

COOLING WATER CONTROL

N/A

 

 

 

 

 

 

 

 

 

BIN CONTROL SYSTEM

Mechanical Bin Control ( Proximity Sw. )

 

 

 

COMPRESSOR

Hermetic,

Model RS43-C2E-CAA

 

 

 

CONDENSER

Air-cooled, Fin and Tube Type

 

 

 

 

 

EVAPORATOR

Copper Tube on Cylinder

 

 

 

 

 

 

REFRIGERANT CONTROL

Thermostatic Expansion Valve

 

 

 

 

 

REFRIGERANT CHARGE

R-404A,

1lb 12oz

(800 g)

 

 

 

DESIGN PRESSURE

High 427 PSIG, Low 230 PSIG

 

 

 

 

 

PC BOARD CIRCUIT PROTECTION

High Voltage Cut-off Relay

 

 

 

 

 

 

COMPRESSOR PROTECTION

Auto-reset Overload Protector

 

 

 

 

 

GEAR MOTOR PROTECTION

Fuse (3A)

 

 

 

 

 

 

 

 

 

REFRIGERANT CIRCUIT PROTECTION

Auto-reset High Pressure Control Switch

 

 

 

LOW WATER PROTECTION

Float Switch and Timer

 

 

 

 

 

 

ACCESSORIES - SUPPLIED

Spare Fuse

 

 

 

 

 

 

 

 

- REQUIRED

Ice Storage Bin

 

 

 

 

 

 

 

 

OPERATING CONDITIONS

VOLTAGE RANGE

 

 

 

104 - 127 V

 

AMBIENT TEMP.

 

 

 

 

 

45 - 100° F

 

WATER SUPPLY TEMP.

 

 

 

45 - 90° F

 

WATER SUPPLY PRESSURE

 

 

10 - 113 PSIG

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

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Contents “A Superior Degree of Reliability” Number Issued RevisedModular Flaker Models F-801MAH-C F-801MWH-C HoshizakiHoshizaki America, IncComplete and detailed explanation of the problem Phone 1-800-233-1940 Technical Service 770 487-2331 FaxHOSHIZAKI AMERICA, INC 618 Highway 74 South Peachtree City, GA Attn HOSHIZAKI Technical Support DepartmentCONTENTS 7. Removal and Replacement of Evaporator Assembly 5. Removal and Replacement of Expansion Valve8. Removal and Replacement of Fan Motor 9. Removal and Replacement of Control Water ValveF-801MAH I. Specification 1. IcemakerF-801MWH F-801MAH-C F-801MWH-C F-801MAH/-C II. General Information 1. ConstructionWater Supply Inlet Junction Box Water Regulator Compressor Drier F-801MWH/-CGEAR MOTOR 2. Control Box LayoutRUN CAPACITOR CONTROL TIMERFLUSH III. Technical Information 1. Water Circuit and Refrigeration Circuit F-801MWH/-C F-801MAH/-C, F-801MWH/-C 2. Wiring Diagrams3. Sequence of Electrical Circuit b When reservoir has been filled, gear motor starts immediately c Compressor starts about 60 sec. after gear motor starts Page e Low water except water-cooled model Page Page h When flush timer operates for 15 min. every 12 hours Page Page Proper wiring. The unit starts 4. Timing ChartMiswiring. Circuit Protect Relay operates 60 sec 150 sec1 sec 1. CIRCUIT PROTECT RELAY 2. WATER LEVEL UPPER 3. FLOAT SWITCH LOWER 5. Performance Data WATER FLOW FOR CONDENSER F-801MAH-C F-801MWH-C 1. Adjustment of Water Regulating Valve water-cooled model only IV. Adjustment of Components2. Adjustment of Flake Size PROBLEM V. Service Diagnosis 1. No Ice ProductionPOSSIBLE CAUSE REMEDYREMEDY 2. Low Ice Production PROBLEMPOSSIBLE CAUSE REMEDY3. Other 1. Service for Refrigerant Lines VI. Removal and Replacement of Componentsa Refrigerant Recovery b Evacuation and Recharge R-404A2. Brazing DANGER 3. Removal and Replacement of Compressor 4. Removal and Replacement of Drier 5. Removal and Replacement of Expansion Valve Page Cutter 7. Removal and Replacement of Evaporator AssemblyExtruding Head AugerGear Motor Bearing-Lower and Mechanical Sealc Check for leaks using nitrogen gas 140 PSIG and soap bubbles 27 When replacing the evaporator28 Move the flush switch to the ICE position 30 Turn on the power supplyCoupling - Spline Auger Mechanical Seal O-ring Bearing Lower Bolt WasherRubber O-ring Nylon Ring Bolt Washer Cutter Extruding Head Washer Socket Head Cap Screw Evaporator Washer Socket Head Cap Screw Barrier9. Removal and Replacement of Control Water Valve 8. Removal and Replacement of Fan Motor10. Removal and Replacement of Flush Water Valve 1. Preparing the Icemaker for Long Storage VII. Cleaning and Maintenancea Cleaning Solution 2. Cleaning and Sanitizing Instructionsb Cleaning Procedure d Sanitizing Procedure - Initial c Sanitizing Solutione Sanitizing Procedure - Final 19 Turn off the power supply after 30 minutes 18 Move the flush switch to the “ICE” position and run the icemaker21 Flush out any solution from the storage bin 22 Turn on the power supply and start the automatic icemaking process3. Maintenance 4 Condenser except water-cooled model 3 Air Filter air-cooled model only