Hoshizaki F-1000MAF-22C Bedienungsanleitung

SERVICE MANUAL

ISSUED: JULY. 13, 1999

MODEL

HOSHIZAKI

MODULAR FLAKER

F-1000MAF-22C

NO: 73088

DEC.15,2003

REVISED:

HOSHIZAKI AMERICA, INC.

618Highway74South

PeachtreeCity,GA 30269

Attn: HOSHIZAKITechnicalSupportDepartment

Phone: 1-800-233-1940TechnicalService

(770)487-2331

Fax: (770)487-3360

NOTE: Toexpediteassistance,allcorrespondence/communicationMUST includethefollowing

information:

• ModelNumber

• SerialNumber

• Completeanddetailedexplanationoftheproblem

IMPORTANT

Only qualified service technicians should attempt to service or maintain this icemaker.

No service or maintenance should be undertaken until the technician has

thoroughly read this Service Manual.

HOSHIZAKI provides this manual primarily to assist qualified service technicians in the

service and maintenance of the icemaker.

Should the reader have any questions or concerns which have not been satisfactorily

addressed, please call or write to the HOSHIZAKI Technical Support Department for

assistance.

CONTENTS PAGE

I. SPECIFICATIONS .................................................................................................... 4

1. ICEMAKER............................................................................................................. 4

II. GENERAL INFORMATION ...................................................................................... 5

1. CONSTRUCTION................................................................................................... 5

2. CONTROL BOX LAYOUT ...................................................................................... 6

III. TECHNICAL INFORMATION.................................................................................. 7

1. WATER CIRCUIT AND REFRIGERANT CIRCUIT ................................................ 7

2. WIRING DIAGRAM ................................................................................................ 8

3. SEQUENCE OF ELECTRICAL CIRCUIT............................................................... 9

4. TIMING CHART.................................................................................................... 19

5. PERFORMANCE DATA ....................................................................................... 22

IV. SERVICE DIAGNOSIS ......................................................................................... 23

1. NO ICE PRODUCTION ........................................................................................ 23

2. LOW ICE PRODUCTION ..................................................................................... 25

3. OTHERS............................................................................................................... 26

V. REMOVAL AND REPLACEMENT OF COMPONENTS ........................................ 27

1. SERVICE FOR REFRIGERANT LINES ............................................................... 27

[a] REFRIGERANT RECOVERY ......................................................................... 27

[b] EVACUATION AND RECHARGE ................................................................... 27

2. BRAZING.............................................................................................................. 28

3. REMOVAL AND REPLACEMENT OF COMPRESSOR....................................... 29

4. REMOVAL AND REPLACEMENT OF DRIER ..................................................... 30

5. REMOVAL AND REPLACEMENT OF EXPANSION VALVE............................... 31

6. REMOVAL AND REPLACEMENT OF EVAPORATOR ASSEMBLY ................... 32

7. REMOVAL AND REPLACEMENT OF FAN MOTOR ........................................... 36

8. REMOVAL AND REPLACEMENT OF CONTROL WATER VALVE .................... 36

9. REMOVAL AND REPLACEMENT OF FLUSH WATER VALVE .......................... 37

VII. MAINTENANCE AND CLEANING INSTRUCTIONS........................................... 38

1. PREPARING THE ICEMAKER FOR LONG STORAGE ...................................... 38

2. CLEANING INSTRUCTIONS ............................................................................... 39

3. MAINTENANCE ................................................................................................... 43

Please review this manual. It should be read carefully before the icemaker is serviced or

maintenance operations are performed. Only qualified service technicians should service

and maintain the icemaker. This manual should be made available to the technician prior

to service or maintenance.

I. SPECIFICATION

1. ICEMAKER

F-1000MAF-22

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

AC SUPPLY VOLTAGE 208-230/60/1 (3 wire with neutral for 115V)

COMPRESSOR 240 V 4.5 RLA 34 LRA

GEAR MOTOR 120 V 1.6 FLA 1/6 HP

FAN MOTOR 115 V 0.85FLA 1/15 HP

OTHER 120 V 0.03A

MAXIMUM FUSE SIZE 15 A

MAX. HACR BREAKER (USA ONLY) 15 A

MAX. CIRC. BREAKER (CANADA ONLY) 15 A

MINIMUM CIRCUIT AMPACITY 15 A

APPROXIMATE ICE PRODUCTION Ambient

WATER TEMP. (˚F)

PER 24 HR. Temp.(˚F) 50 70 90

lbs./day ( kg/day ) 70

*860 (390)

820 (360)

790 (348)

Reference without *marks 80 765 (338) 720 (327)

710 (317)

90 680 (307)

*670 (304)

635 (288)

100 615 (279) 585 (271) *555 (252)

SHAPE OF ICE Cubelet

ICE QUALITY Approx. 80%, 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.) 1205 (4.3)

1155 (3.2)

POTABLE WATER 80 (12) 103 (12)

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

EXTERIOR DIMENSIONS (WxDxH) 22" x 27-3/8" x 25-1/4" (560 x 695 x 642mm)

EXTERIOR FINISH Stainless Steel, Galvanized Steel (Rear)

WEIGHT Net 172 lbs. ( 78 kg ), Shipping 198 lbs. ( 90 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 ( 1/6 HP Gear Motor )

ICE MAKING WATER CONTROL Float Switch

COOLING WATER CONTROL N/A

BIN CONTROL SYSTEM Mechanical Bin Control ( Proximity Sw. )

COMPRESSOR Hermetic, Model REK3-0124-PFV

CONDENSER Air-cooled, Fin and tube type

EVAPORATOR Copper Tube on Cylinder

REFRIGERANT CONTROL Thermostatic Expansion Valve

REFRIGERANT CHARGE R-22 1 lb.7oz. (660g)

DESIGN PRESSURE High 400 PSIG, Low 230 PSIG

P.C. BOARD CIRCUIT PROTECTION High Voltage Cut-off Relay

COMPRESSOR PROTECTION Internal Protector

GEAR MOTOR PROTECTION Manual reset Circuit Breaker or Fuse 1.5A

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 187-253 V

AMBIENT TEMP. 45-100˚ F

WATER SUPPLY TEMP. 45-90˚ F

WATER SUPPLY PRESSURE 10-113 PSIG

II. GENERAL INFORMATION

1. CONSTRUCTION

F-1000MAF-22

Water Supply

Inlet

Junction Box

Condenser

Fan Motor

Compressor

Drier

Control Water Valve

Bin Control

Ice Chute

Evaporator

Expansion

Valve

Flush Water

Valve

Control Box

Gear Motor

2. CONTROL BOX LAYOUT

F-1000MAF-22

Note: The above component names are identical with the Wiring Label, but not with

the Parts List.

PRESSURE

SWITCH

CONNECTOR

START

CAPACITOR RUN

CAPACITOR

WATER CONTROL

RELAY

FLUSH

TIMER TRANSFORMER

GEAR

MOTOR

RELAY

GEAR

MOTOR

CAP.

FLUSH

ICE

FAN

MOTOR

CAP

GEAR MOTOR

PROTECT RELAY STARTER

CONTROL

TIMER

FUSE

(GEAR MOTOR)

FUSE

POWER

SWITCH

FLUSH

SWITCH

CIRCUIT PROTECT

RELAY

III. TECHNICAL INFORMATION

1. WATER CIRCUIT AND REFRIGERATION CIRCUIT

F-1000MAF-22

2. WIRING DIAGRAMS

F-1000MAF-22

3. SEQUENCE OF ELECTRICAL CIRCUIT

[a] When Power Switch is moved to “ON” position and Flush Switch to “ICE” position,

water starts to be supplied to Reservoir.

[b] When Reservoir has been filled, Gear Motor starts immediately.

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