Scotsman AC 125 Скачать руководство пользователя страница 8 | Manualshive

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background image

Basic electr.

Amps.

Start Amps

Watts

No of Wires

Amp. Fuse

SPECIFICATIONS (CONT'D)

Electr. power cons.

Kwh per 24 Hrs

230/50/1

5.3

29

850

18

3 x 1 m/m

16

Cubes per harvest: 36 large / 48 medium
* At 15

°

C (60

°

F) water temperature

Ice bin cap.

Water requirem

Kgs.

LTx24 HR

AC 175 AS

Air

S/Steel

0

160

*

3/4

28

AC 175 WS

Water

S/Steel

1000*

AC 175 - CUBER MACHINE SPECIFICATIONS

Model

Cond.

Finish

Comp. HP

FRONT VIEW

HEIGHT (without legs)

900 mm.

HEIGHT (with legs)

1020 mm.

WIDTH

675 mm.

DEPTH

520 mm.

WEIGHT

75 Kgs.

Page

0

7

2

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Содержание AC 125

Страница 1: ...SERVICE MANUAL ACM 85 AC 125 AC 175 AC 225 R 134 A R 404 A VERSIONS Electronic cubers with storage MS 1000 08 REV 03 98 ...

Страница 2: ...er pump ACM 85 Replacement of the water pump AC 125 AC 175 Replacement of the water pump AC 225 Replacement of water inlet solenoid valve Replacement of hot gas valve coil Replacement of water drain solenoid valve Replacement of fan motor Replacement of plastic curtain ACM 85 AC 125 175 Replacement of spray platform and chute ACM 85 AC 125 175 Replacement of spray bar AC 225 Replacement of drier R...

Страница 3: ...af up to a maximum of 10 at room temperatures higher than 32 C The daily ice making capacity is directly related to the condenser air inlet temperature water temperature and age of the machine To keep your SCOTSMAN CUBER at peak performance levels periodic maintenance checks must be carried out as indicated on page 38 of this manual Page 02 40 38 36 34 32 30 28 26 Kg 32 C AIR COOLED MODELS WATER T...

Страница 4: ...10 3 x 1 m m 10 2 Cubes per harvest 24 medium At 15 C 60 F water temperature ACM 85 CUBER MACHINE SPECIFICATION Model Cond Finish Comp HP Ice bin cap Water requirem Kgs LTx24 HR ACM 85 AS Air S Steel 140 3 8 14 ACM 85 WS Water S Steel 380 FRONT VIEW HEIGHT without legs 790 mm HEIGHT with legs 930 mm WIDTH 457 mm DEPTH 523 mm WEIGHT 44 Kgs ...

Страница 5: ... than 32 C The daily ice making capacity is directly related to the condenser air inlet temperature water temperature and age of the machine To keep your SCOTSMAN CUBER at peak performance levels periodic maintenance checks must be carried out as indicated on page 38 of this manual Production charts shown indicate the production of ACM models ice production of ACL and ACS models is 10 lower Page 0...

Страница 6: ... m 10 Cubes per harvest 36 large 48 medium 84 small At 15 C 60 F water temperature Ice bin cap Water requirem Kgs LTx24 HR AC 125 AS Air S Steel 160 1 2 28 AC 125 WS Water S Steel 680 AC 125 CUBER MACHINE SPECIFICATIONS Model Cond Finish Comp HP FRONT VIEW HEIGHT without legs 900 mm HEIGHT with legs 1020 mm WIDTH 675 mm DEPTH 520 mm WEIGHT 75 Kgs 2 ...

Страница 7: ...ity is directly related to the condenser air inlet temperature water temperature and age of the machine To keep your SCOTSMAN CUBER at peak performance levels periodic maintenance checks must be carried out as indicated on page 38 of this manual Production charts shown indicate the production of ACM models ice production of ACL and ACS models is 10 lower Page 06 87 5 Kg 32 10 C AIR COOLED MODELS W...

Страница 8: ...6 Cubes per harvest 36 large 48 medium At 15 C 60 F water temperature Ice bin cap Water requirem Kgs LTx24 HR AC 175 AS Air S Steel 0160 3 4 28 AC 175 WS Water S Steel 1000 AC 175 CUBER MACHINE SPECIFICATIONS Model Cond Finish Comp HP FRONT VIEW HEIGHT without legs 900 mm HEIGHT with legs 1020 mm WIDTH 675 mm DEPTH 520 mm WEIGHT 75 Kgs Page 07 2 ...

Страница 9: ...apacity is directly related to the condenser air inlet temperature water temperature and age of the machine To keep your SCOTSMAN CUBER at peak performance levels periodic maintenance checks must be carried out as indicated on page 38 of this manual Production charts shown indicate the production of ACM models ice production of ACL and ACS models is 10 lower Page 08 150 145 140 135 130 125 120 115...

Страница 10: ...m 16 Cubes per harvest 72 large 102 medium 198 small At 15 C 60 F water temperature 2 FRONT VIEW HEIGHT without legs 1006 mm HEIGHT with legs 1126 mm WIDTH 1078 mm DEPTH 660 mm WEIGHT 115 Kgs AC 225 CUBER MACHINE SPECIFICATIONS Model Cond Finish Comp HP Ice bin cap Water requirem Kgs LTx24 HR AC 225 AS Air S Steel 0250 1 70 AC 225 WS Water S Steel 1500 ...

Страница 11: ...ck that the compressor fits snugly onto all its mounting pads 8 Use clean damp cloth to wipe the surfaces inside the storage bin and the outside of the cabinet GENERAL INFORMATION AND INSTALLATION Page 010 9 See data plate on the rear side of the unit and check that local main voltage corresponds with the voltage specified on it CAUTION Incorrect voltage supplied to the icemaker will void your par...

Страница 12: ...of impurities it is advisable to consider the installation of an appropriate water filter or conditioner Page 11 WATERSUPPLY WATERCOOLEDMODELS The water cooled versions of SCOTSMAN Ice Makersrequiretwoseparateinletwatersupplies one for water sprayed for making the ice cubes and the other for the water cooled condenser Connect the 3 4 male fitting of the water inlet using the flexible tube supplied...

Страница 13: ...ure of at least 1 bar 14 psi 12 Hastheownerbeengiventhenameandthe phone number of the authorized SCOTSMAN Service Agency serving him WARNING This icemaker is not designed for outdoor installation and will not function in ambient temperatures below 10 C 50 F or above 40 C 100 F This icemaker will malfunction with water temperatures below 5 C 40 F or above 40 C 100 F 1 Hand shut off valve 2 Water fi...

Страница 14: ...ncoming surplus of water flows out through the overflow pipe into the drain line During the water filling phase the components energized are THE WATER INLET SOLENOID VALVE THE HOT GAS SOLENOID VALVE THE WATER DRAIN SOLENOID VALVE NOTE If in the 5 minutes lenght of the water filling phase the machine sump reservoir does not get filled with water up to the rim of the overflow pipe it is advisable to...

Страница 15: ...water in the water cooled condenser the condenser temperature rises and when it reaches 70 C 160 F for air cooled version or 62 C 145 F for water cooled version the condenser temperature sensor shuts off the ice maker with the consequent light up of the RED WARNING LIGHT Fig 3 After having diagnosed the reason of the rise of temperature and removed its cause it is necessary to turn the head of the...

Страница 16: ... 5 6 11 12 Rx Tx WATER IN VALVE HOT GAS VALVE CONTACTOR COIL FAN MOTOR WATER PUMP EVAPORATOR AMBIENT CONDENSER TEMPERATURE SENSORS BIN COMPRESSOR TRANSF DATA PROCESSOR ELECTR TIMER DIP SWITCH ELECTRONIC CARD L N RELAYS RELAY TRIAC WATER DRAIN VALVE 16 15 14 13 2 1 7 8 9 10 3 4 5 6 11 12 Rx Tx WATER IN VALVE HOT GAS VALVE CONTACTOR COIL FAN MOTOR WATER PUMP EVAPORATOR AMBIENT CONDENSER TEMPERATURE ...

Страница 17: ...nutes from the begin ning of the freezing cycle in an hypothetic ambient temperature of 21 C the defrost cycle takes place with the hot gas the water inlet and the water drain valves simoultaneously activated Fig 5 Theelectricalcomponentsinoperationonmodels are COMPRESSOR WATER INLET VALVE HOT GAS VALVE WATER DRAIN VALVE and the WATER PUMP on the first 15 seconds on model ACM 85 AC 125 175 and on ...

Страница 18: ...flows correctly into the sump reservoir in order to refill it and that the surplus overflows through the overflow drain tube I Checkthetextureoficecubesjustreleased They have to be in the right shape with a small depression of about 5 6 mm in their crown If not wait for the completion of the second cycle before performing any adjustment If required the lenght of the timed freezing cycle can be mod...

Страница 19: ...tion FREEZING CYCLE The hot gas refrigerant discharged out from the compressorreachesthecondenserwhere being cooled down condenses into liquid Flowing into the liquid line it passes through the drier filter then it goes all the way through the capillary tube where due to the heat exchanging action it loosessomeofitsheatcontentsothatitspressure and temperature are lowered as well Next the refrigera...

Страница 20: ...Page 19 FIG A FIG C FIG B FIG C FIG D FIG A ...

Страница 21: ...FIG A FIG E FIG C FIG F FIG G FIG H Page 20 ...

Страница 22: ...e approx 0 bar 0 psig on models ACM 85 AC 125 and AC 175 and to 1 7 bar 24 psig on AC 225 with the cubes fully formed in the cup molds The total length of the freezing cycle ranges from 20 to 25 minutes Page 21 DEFROST OR HARVEST CYCLE Fig E and G As the electronic timer has carried the system throughout the second phase of freezing cycle the defrost cycle starts ATTENTION In case the unit is able...

Страница 23: ...Air cooled only and TRIAC Hot Gas Valve Water Inlet Valve Water Drain Valve P C Board Relay 1 Coil P C Board Relay 2 3 Coil Water Pump Contactor Coil P C B Timer Elctronic Controls Sensors ON OFF Evaporator Sensor Condenser Sensor Ambient Sensor Ice Level Control TIMED FREEZE Electrical components Loads ON OFF Compressor Fan Motor Air cooled only and TRIAC Hot Gas Valve Water Inlet Valve Water Dra...

Страница 24: ...tion to the different current received the micro processor of the P C BOARD supplies through a TRIAC the power at high voltage to the fan motor so to cool the condenser and to reduce its temperature In case the condenser temperature rises and reaches 75 C 170 F on air cooled models or 62 C 145 F on water cooled models the current arriving to the micro processor is such to causeanimmediateandtotals...

Страница 25: ...of the different electrical componentsoftheicemaker compressor water pump solenoid valves etc By turning the program selector it is possible to put the unit in the following different situations CLEANING RINSING The water pump is the only electrical component in operation and it must be used during the cleaning or the rinsing procedure of the water system of ice machine STAND BY The unit remain un...

Страница 26: ...cle controlled by the electronic timer as detailed in the table B TAB B The DIP SWITCH keys 5 6 and 7 setting determines the length of the defrost cycle according to the ambient temperature sensor as specified in table C LENGTH OF DEFROST CYCLE IN SEC ACCORDING TO THE AMBIENT TEMPERATURE AND TO THE DIP SWITCH SETTING COMBINATIONS TAB C G WATER SPRAY SYSTEM Throughitsnozzles thewaterpumped isspraye...

Страница 27: ... motor can run at intermittance as the condenser pressure must be kept between two corresponding head pressure values Page 26 L COMPRESSOR The hermetic compressor is the heart of the refrigerant system and it is used to circulate and retrieve the refrigerant throughout the entire system It compresses the low pressure refrigerant vapor causing its temperature to rise and become high pressure hot va...

Страница 28: ... of freezing cycle 2nd phase on Table B 3 Set the same DIP SWITCH KEYS to correspond to the prior combination shown on Table B which allow an extention of two more minutes of the length of the freezing cycle 4 Observe the ice cubes in the next two harvests and eventually repeat steps 2 and 3 above until proper ice cubes size is achieved See figure II Ifthecubesareoversizesize Indentationis too ful...

Страница 29: ...enser 3 Trace the ambient sensor terminal plug on the rear side of the control box red color and remove it from its socket by carefully pulling out the terminal plug securing clip 4 To install the replacement ambient sensor follow the above steps in reverse E REPLACEMENTOFOPTICALICELEVEL CONTROL 1 Remove the front panel and on AC 225 the left side panel while on water cooled version of ACM 85 and ...

Страница 30: ...m the solenoid valve 4 Unscrew the two screws securing the inlet solenoid valve to the cabinet Page 29 5 Removethecorbinclampsandrubberhose the valve is now free 6 To install the replacement water inlet solenoid valve follow the above steps in reverse K REPLACEMENT OF THE HOT GAS VALVE COIL 1 Remove rear panel on ACM 85 and AC 125 175 and the left side panel on model AC 225 2 Unloose the nut secur...

Страница 31: ...eserpentineofevaporator and the suction discharge line from the other serpentine Page 30 N REPLACEMENT OF PLASTIC CURTAIN ACM 85 AC 125 175 1 Open the storage bin door to gain access to the curtain 2 Remove the plastic curtain from the clips holding it and take out 3 To install the replacement plastic curtain follow the above steps in reverse O REPLACEMENT OF SPRAY PLATFORM AND CHUTE ACM 85 AC 125...

Страница 32: ...he corbin clamps and disconnect the plastic hoses from the water cooled condenser 5 Recover the refrigerant from the system and transfer it in a container so to reclaim or recycle it 6 Unsolder the refrigerant lines from the condenser and remove it from the unit NOTE It is imperative to install a replace ment drier whenever the sealed refrigeration system is open Do not replace the drier until all...

Страница 33: ...4 Unsolder and disconnect both the suction line and the discharge line from the compressor 5 Removethefourcompressormountingbolts and the compressor from the unit base NOTE It is imperative to install a replace ment drier whenever the sealed refrigeration system is open Do not replace the drier until all other repairs or replacements have been completed 6 Toinstallthereplacementcompressorfollow th...

Страница 34: ...Page 33 WIRING DIAGRAM ACM 85 AIR AND WATER COOLED 230 50 1 ...

Страница 35: ...WIRING DIAGRAM AC 125 175 AC 225 AIR AND WATER COOLED 230 50 1 Page 34 ...

Страница 36: ...sor inoperative Replace it Short of refrigerant Compressor cycles intermittently Low voltage Check circuit for overloading Check voltage at the supply to the building If low contact the power company Contactor with burnt contacts Clean or replace Non condensable gas in system Purge the system Compressor starting device with Check for loose wires in starting loose wires device Mechanical problem Re...

Страница 37: ...or provide for hot location Red alarm LED glows more ventilation Overcharge of refrigerant Correct the charge Purge off slowly Capillary tube partially restricted Blow charge add new gas drier after evacuating system with vacuum pump Hot gas solenoid valve leaking Replace valve Undercharge of refrigerant Charge to data plate indication Spray bar not rotating AC 225 Remove spray bar jet bearing and...

Страница 38: ...ith open winding Replace valve Water solenoid valve not opening Valve coil with open winding Replace valve Incorrect discharge pressure Inoperative condenser sensor Replace sensor Inoperative P C Board Replace P C Board Water regulating valve misadjusted Adjust its setting stem Excessive water in unit base Water tubing leaking Check Tighten or replace Page 37 ...

Страница 39: ... for at least one minutes This should cause the ice maker to shut off and the light up of the 2nd LED yellow light IMPORTANT Perform the above check only at the end of harvest cycle or at the beginning of freezing cycle in order to do not cause to the unit to make a double freezing cycle A GENERAL Theperiodsandtheproceduresformaintenance and cleaning are given as guides and are not to be construed...

Страница 40: ...seofexternal contact flush with water KEEP OUT OF THE REACH OF CHILDREN 4 Scoop out all the ice cubes stored into the bin in order to prevent them from being contaminated with the cleaning solution then flush out the water from the sump reservoir by removing the overflow stand pipe or drain plug NOTE Within few seconds after the removal ofthehandfromtheInfraredsensinglightthe icemaker restarts in ...

Страница 41: ...der to rinse the entire water system 10 Flush out the rinsing water from the sump reservoir then turn the program selector on RE SET HI TEMPERATURE position and immediately afterward to FREEZING OPERATION NOTE By setting the selector on RE SET first and then to FREEZING OPERATION the ice maker will perform the 5 minutes WATER FILLING phase i e the water inlet solenoid valve opens to allow the inco...

Страница 42: ...ATTENTION In case the ice cubes are cloudy white and have an acid taste melt them immediately by pouring on them some warm water This to prevent that somebody could use them 15 Wipe clean and rinse the inner surfaces of the storage bin REMEMBER To prevent the accumulation of undesirable bacteria it is necessary to sanitize the interior of the storage bin with an anti algae disinfectant solution ev...

Страница 43: ...PE I C E S Y S T E M S Via Puccini 22 20010 Bettolino di Pogliano Milano Italy Tel 39 2 93 96 02 08 Telefax 39 2 93 55 05 00 Direct Line to Service Parts Tel 39 331 58 93 05 Fax 39 331 58 43 06 ISO 9001 Cert n 0080 ...

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