Hoshizaki F-800MAH Скачать руководство пользователя страница 4 | Manualshive

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V. SERVICE DIAGNOSIS .......................................................................................... 35

1. NO ICE PRODUCTION ........................................................................................ 35
2. LOW ICE PRODUCTION ..................................................................................... 37
3. OTHERS .............................................................................................................. 38

VI. REMOVAL AND REPLACEMENT OF COMPONENTS....................................... 39

1. SERVICE FOR REFRIGERANT LINES ............................................................... 39

[a] REFRIGERANT RECOVERY ......................................................................... 39
[b] EVACUATION AND RECHARGE .................................................................. 39

2. BRAZING .............................................................................................................. 40
3. REMOVAL AND REPLACEMENT OF COMPRESSOR ...................................... 41
4. REMOVAL AND REPLACEMENT OF DRIER ..................................................... 42
5. REMOVAL AND REPLACEMENT OF EXPANSION VALVE .............................. 43
6. REMOVAL AND REPLACEMENT OF WATER REGULATING VALVE

- WATER-COOLED MODEL ONLY ..................................................................... 44

7. REMOVAL AND REPLACEMENT OF CONDENSING PRESSURE

REGULATOR (C.P.R.) - REMOTE AIR-COOLED MODEL ONLY ....................... 45

8. REMOVAL AND REPLACEMENT OF EVAPORATOR ASSEMBLY .................. 46
9. REMOVAL AND REPLACEMENT OF FAN MOTOR ........................................... 50

10. REMOVAL AND REPLACEMENT OF CONTROL WATER VALVE ................... 50
11. REMOVAL AND REPLACEMENT OF FLUSH WATER VALVE ......................... 51

VII. MAINTENANCE AND CLEANING INSTRUCTIONS .......................................... 52

1. PREPARING THE ICEMAKER FOR LONG STORAGE ...................................... 52
2. CLEANING INSTRUCTIONS ............................................................................... 54
3. MAINTENANCE ................................................................................................... 58

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Содержание F-800MAH

Страница 1: ...Hoshizaki A Superior Degree of Reliability www hoshizaki com Models F 800MAH C F 800MWH C Modular Flaker Hoshizaki America Inc Number 73173 Issued 9 2 2009 SERVICE MANUAL...

Страница 2: ...planation of the problem IMPORTANT Only qualified service technicians should attempt to service or maintain this icemaker No service or maintenance should be undertaken until the technician has thorou...

Страница 3: ...0MWH C 15 3 SEQUENCE OF ELECTRICAL CIRCUIT 16 4 TIMING CHART 26 5 PERFORMANCE DATA 29 F 800MAH 29 F 800MWH 30 F 800MAH C 31 F 800MWH C 32 IV ADJUSTMENT OF COMPONENTS 33 1 ADJUSTMENT OF WATER REGULATIN...

Страница 4: ...ENT OF EXPANSION VALVE 43 6 REMOVAL AND REPLACEMENT OF WATER REGULATING VALVE WATER COOLED MODEL ONLY 44 7 REMOVAL AND REPLACEMENT OF CONDENSING PRESSURE REGULATOR C P R REMOTE AIR COOLED MODEL ONLY 4...

Страница 5: ...ing 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 MAK...

Страница 6: ...manent Connection W ATER SUPPLY Inlet 1 2 FPT Cond Inlet 1 2 FPT DRAIN Outlet 3 4 FPT Cond Outlet 3 8 18 NPT ICE MAKING SYSTEM Auger type HARVESTING SYSTEM Direct Driven Auger 1 6 HP Gear Motor ICE MA...

Страница 7: ...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 C...

Страница 8: ...Permanent Connection WATER SUPPLY Inlet 1 2 FPT Cond Inlet 1 2 FPT DRAIN Outlet 3 4 FPT Cond Outlet 3 8 18 NPT ICE MAKING SYSTEM Auger type HARVESTING SYSTEM Direct Driven Auger 1 6 HP Gear Motor ICE...

Страница 9: ...FORMATION 1 CONSTRUCTION F 800MAH C Water Supply Inlet Junction Box Condenser Fan Motor Compressor Drier Control Water Valve Bin Control Ice Chute Evaporator Expansion Valve Flush Water Valve Control...

Страница 10: ...10 F 800MWH C Water Supply Inlet Junction Box Water Regulator Compressor Drier Control Water Valve Bin Control Ice Chute Evaporator Expansion Valve Flush Water Valve Control Box Gear Motor...

Страница 11: ...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 PROT...

Страница 12: ...TOR START CAPACITOR RUN CAPACITOR WATER CONTROL RELAY TRANSFORMER GEAR MOTOR RELAY FLUSH ICE GEAR MOTOR PROTECT RELAY STARTER CONTROL TIMER FLUSH SWITCH POWER SWITCH FUSE FUSE GEAR MOTOR FLUSH TIMER C...

Страница 13: ...13 III TECHNICAL INFORMATION 1 WATER CIRCUIT AND REFRIGERATION CIRCUIT F 800MAH C...

Страница 14: ...14 F 800MWH C...

Страница 15: ...15 2 WIRING DIAGRAM F 800MAH C F 800MWH C...

Страница 16: ...16 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...

Страница 17: ...17 b When Reservoir has been filled Gear Motor starts immediately...

Страница 18: ...18 c Compressor starts about 60 sec after Gear Motor starts...

Страница 19: ...19 d Bin Control operates and about 6 sec later Compressor and Gear Motor stop simultaneously...

Страница 20: ...20 e Low Water Except Water cooled Model...

Страница 21: ...21 f Low Water Water cooled Model or Dirty Air Filter Air cooled Model Pressure Switch to OPEN Compressor and Gear Motor operates intermittently...

Страница 22: ...22 g When Flush Switch is moved to FLUSH position Flush Water Valve opens and flushes Reservoir and Evaporator...

Страница 23: ...23 h When Flush Timer operates for 15 min every 12 hours...

Страница 24: ...208 230V are supplied to Circuit Protect Relay it protects the circuit from miswiring If the power supply is properly connected the contact of Circuit Protect Relay does not move even when the coil is...

Страница 25: ...25 j When input voltage is too low Less than 70 Gear Motor Fuse 1 5A is blown causing the Compressor and Gear Motor to turn off immediately...

Страница 26: ...26 4 TIMING CHART...

Страница 27: ...27...

Страница 28: ...28...

Страница 29: ...9 261 64 242 gal day l day 100 61 231 59 221 55 206 EVAPORATOR OUTLET TEMP 70 16 9 17 8 17 8 F C 80 18 8 18 8 19 7 90 21 6 19 7 21 6 100 22 5 23 5 23 5 HEAD PRESSURE 70 221 15 5 221 15 5 221 15 5 80 2...

Страница 30: ...6 22 6 21 6 F C 80 22 6 22 6 22 6 90 21 6 22 6 22 6 100 23 5 23 5 22 5 HEAD PRESSURE 70 265 18 6 267 18 8 266 18 7 80 267 18 8 266 18 7 265 18 7 90 266 18 7 266 18 7 265 18 7 PSIG kg cm G 100 267 18...

Страница 31: ...242 gal day l day 100 61 231 59 221 55 206 EVAPORATOR OUTLET TEMP 70 16 9 17 8 17 8 F C 80 18 8 18 8 19 7 90 21 6 19 7 21 6 100 22 5 23 5 23 5 HEAD PRESSURE 70 221 15 5 221 15 5 221 15 5 80 254 17 8...

Страница 32: ...1 6 22 6 21 6 F C 80 22 6 22 6 22 6 90 21 6 23 5 22 6 100 23 5 23 5 23 5 HEAD PRESSURE 70 265 18 6 267 18 8 266 18 7 80 267 18 8 266 18 7 265 18 7 90 266 18 7 266 18 7 265 18 7 PSIG kg cm G 100 267 18...

Страница 33: ...are a thermometer to check the condenser drain temperature 2 Rotate the Adjustment Screw by using a flat blade screwdriver so that the pressure gauge shows 260 PSIG R 404A models F type or the thermom...

Страница 34: ...ng procedures 1 Remove the Bolt and the Cutter Head 2 The Cutter Head has two holes one for fine flake and the other for coarse flake size The unit is shipped from the factory in the fine flake positi...

Страница 35: ...2 Wait till water is supplied j Plug and Receptacle Control Box 1 Disconnected 1 Connect 2 Terminal out of Plug or Receptacle 2 Insert Terminal back in position 2 Water flow does not stop and the icem...

Страница 36: ...drier 8 Bad contacts 8 Check for continuity and replace 9 Loose connections 9 Tighten 6 Gear Motor starts but Compressor will not start or operates intermittently a X2 Relay on Control Timer 1 Bad co...

Страница 37: ...ondenser water temperature too warm 2 Get cooler 3 Condenser water pressure too low or off Water cooled model only 3 Check and get recommended pressure 4 Fan rotating too slow 4 See 3 1 a Fan Motor 5...

Страница 38: ...se SCALE AWAY or LIME A WAY solution to clean periodically If the water is found hard by testing install a softener 2 Overflow from Reservoir Water does not stop a Water Supply 1 Water pressure too hi...

Страница 39: ...AND RECHARGE R 404A 1 Attach Charging Hoses a Service Manifold and a Vacuum Pump to the system Be sure to connect Charging Hoses to both High side and Low side Access Valves IMPORTANT The vacuum leve...

Страница 40: ...ible leak 2 BRAZING DANGER 1 Refrigerant R 404A itself is not flammable at atmospheric pressure and temperatures up to 176 F 2 Refrigerant R 404A itself is not explosive or poisonous However when expo...

Страница 41: ...equipment WARNING When repairing a refrigerant system be careful not to let the burner flame contact any electrical wires or insulation 5 Remove the Bolts and Rubber Grommets 6 Slide and remove the C...

Страница 42: ...all other repairs or replacement have been made 1 Turn off the power supply and remove the panels 2 Recover the refrigerant and store it in an approved container if required by an applicable law 3 Re...

Страница 43: ...lve using brazing equipment 5 Braze the new Expansion Valve with nitrogen gas flowing at the pressure of 3 4 PSIG WARNING Always protect the valve body by using a damp cloth to prevent the valve from...

Страница 44: ...be using brazing equipment 4 Disconnect the Flare connections of the valve 5 Remove the screws and the valve from the Bracket 6 Install the new valve and braze the Capillary Tube 7 Install the new Dri...

Страница 45: ...nd store it in an approved container 4 Remove the C P R using brazing equipment 5 Braze the new C P R with nitrogen gas flowing at the pressure of 3 4 PSIG WARNING Always protect the C P R body by usi...

Страница 46: ...the Cutter 9 Remove the Rubber O ring and the Nylon Ring at the top of the Evaporator EXTRUDING HEAD 10 Remove the four Socket Head Cap Screws and lift off the Extruding Head 11 Replace the Bearing i...

Страница 47: ...Screws securing the Evaporator with the Bearing Lower 19 Lift off the Evaporator BEARING LOWER AND MECHANICAL SEAL 20 The Mechanical Seal consists of two parts One moves along with the Auger and the o...

Страница 48: ...n replacing the Evaporator a Braze the new Evaporator with nitrogen gas flowing at the pressure of 3 4 PSIG b Replace the Drier c Check for leaks using nitrogen gas 140 PSIG and soap bubbles d Evacuat...

Страница 49: ...echanical Seal O ring Bearing Lower Bolt Washer Coupling Spline Rubber O ring Nylon Ring Bolt Washer Cutter Extruding Head Washer Socket Head Cap Screw Evaporator Washer Socket Head Cap Screw Barrier...

Страница 50: ...Turn off the power supply remove the panels and close the Water Supply Line Shut off Valve 2 Disconnect the Terminals from the Control Water Valve 3 Loosen the Fitting Nut on the Control Water Valve I...

Страница 51: ...t 5 Remove the Drain Pipe from the Flush Water Valve 6 Connect the Drain Pipe to the new Flush Water Valve and place the valve in position 7 Connect the Hose to the Flush Water Valve and secure it wit...

Страница 52: ...n the icemaker with the Water Supply Line Shut off Valve closed 2 Open the Drain Valve and blow out the water inlet line by using air pressure 3 Turn off the power supply 4 Remove the Front Panel 5 Mo...

Страница 53: ...Water Supply Line Shut off Valve 4 OpentheDrainValveandquicklyblowthewatersupplylinefromtheDrainValvetodrain water in the Condenser 5 Follow the above steps 3 through 11 in Air cooled and Remote Air...

Страница 54: ...Hoshizaki Scale Away or LIME A WAY Economics Laboratory Inc with 0 8 gal of water This is a minimum amount Make more solution if necessary Sanitizing solution 2 5 fl oz of IMS II Sanitizer or a 5 25 s...

Страница 55: ...for about 10 minutes before the operation Then turn on the power supply and make ice using the solution until the icemaker stops icemaking 15 Remove the Front Panel 16 Move the Flush Switch to the FLU...

Страница 56: ...and supply water to the Reservoir 14 Turn off the power supply when the Gear Motor starts 15 Drain out all water from the water line See 4 through 7 in STEP 2 16 Move the Flush Switch to the ICE posit...

Страница 57: ...left on these parts they will rust 12 Replace the removed parts and the panels 13 Turn on the power supply and run the icemaker 14 Turn off the power supply after 30 minutes 15 Pour warm water into th...

Страница 58: ...intenancearerecommended Consult with your local distributor about inspection and maintenance service Toobtainthenameandphonenumberofyourlocaldistributor call Hoshizaki Technical Support at 1 800 233 1...

Страница 59: ...gged the icemaker s performance will be reduced Check the filter at least twice a month When clogged use warm water and a neutral cleaner to wash the filter 4 Condenser Except water cooled model Check...

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