Related Manuals for Scotsman ACM 85
Summary of Contents for Scotsman ACM 85
- Page 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...
-
Page 2: Table Of Contents
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 Replacement of hot gas valve body... - Page 3 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 4 HEIGHT (without legs) 790 mm. HEIGHT (with legs) 930 mm. WIDTH 457 mm. DEPTH 523 mm. WEIGHT 44 Kgs. ACM 85 - CUBER MACHINE SPECIFICATION Ice bin cap. Water requirem Model Cond. Finish Comp. HP Kgs. LTx24 HR ACM 85 AS...
-
Page 5: Specifications
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 6 Page 05 SPECIFICATIONS (CONT'D) FRONT VIEW HEIGHT (without legs) 900 mm. HEIGHT (with legs) 1020 mm. WIDTH 675 mm. DEPTH 520 mm. WEIGHT 75 Kgs. AC 125 - CUBER MACHINE SPECIFICATIONS Ice bin cap. Water requirem Model Cond. Finish Comp. HP Kgs.
- Page 7 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 8 Page 07 SPECIFICATIONS (CONT'D) FRONT VIEW HEIGHT (without legs) 900 mm. HEIGHT (with legs) 1020 mm. WIDTH 675 mm. DEPTH 520 mm. WEIGHT 75 Kgs. AC 175 - CUBER MACHINE SPECIFICATIONS Ice bin cap. Water requirem Model Cond. Finish Comp. HP Kgs.
- Page 9 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 10 Page 09 SPECIFICATIONS (CONT'D) 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 Ice bin cap. Water requirem Model Cond. Finish Comp. HP Kgs.
-
Page 11: General Information And Installation
SCOTSMAN ACM 85, AC 125, AC 175 and CAUTION. Incorrect voltage supplied to AC 225 icemakers. the icemaker will void your parts The Electronic Cubers are quality designed, replacement program. -
Page 12: Electrical Connections
ELECTRICAL CONNECTIONS WATER SUPPLY - WATER COOLED MODELS See data plate for current requirements to The water cooled versions of SCOTSMAN Ice determine wire size to be used for electrical Makers require two separate inlet water supplies, connections. All SCOTSMAN icemakers require one for water sprayed for making the ice cubes a solid earth wire. -
Page 13: Installation Practice
10°C (50¯F) even in winter months? 12. Has the owner been given the name and the phone number of the authorized SCOTSMAN 10. Is there at least a 15 cm (6") clearance Service Agency serving him? G. -
Page 14: Operating Instructions
Page 13 OPERATING INSTRUCTIONS START UP sump reservoir to fill it up and also that the incoming surplus of water flows out through the After having correctly installed the ice maker and overflow pipe into the drain line. completed the plumbing and electrical During the water filling phase the components connections, perform the following “Start-up”... -
Page 15: Operational Checks
(condensing) pressure between 8.5 and 9.5 bar (110 ÷ 130 psig) on models ACM 85, The machine restarts with the usual 5 minutes AC 125 and AC 175 and between 15 and 17 water filling phase in order to provide enough bar on model AC 225. - Page 16 Check to see through the ice discharge also make sure that the plastic curtain opening that the spray system is correctly (ACM 85 & AC 125-175) is hanging freely seated and that the water jets uniformely and there is not excessive water spilling reach the interior of the inverted mold cups;...
- Page 17 This one takes over the control of the freezing cycle up to the on the first 15 seconds on model ACM 85 & complete formation of the ice cubes (Fig.4). AC 125-175 and on the first 30 seconds on model AC 225.
- Page 18 Page 17 beam; the RED LIGHT, located in the front of the Check, during the defrost cycle, that the P.C.BOARD, will glow immediately. incoming water flows correctly into the sump After approximately 6 seconds the ice maker reservoir in order to refill it and that the surplus overflows through the overflow drain tube.
-
Page 19: Freezing Cycle
Page 18 PRINCIPLE OF OPERATION How it works In the SCOTSMAN cube ice makers the water The timer, which is built-in the P.C. BOARD, used to make the ice is kept constantly in takes over from the evaporator temperature circulation by an electric water pump which primes... - Page 20 Page 19 FIG. B FIG. A FIG. A FIG. C FIG. C FIG. D...
- Page 21 Page 20 FIG. E FIG. A FIG. F FIG. C FIG. G FIG. H...
-
Page 22: Harvest Cycle
1 bar - NOTE. The length of the defrost cycle, 14 psig on models ACM 85, AC 125 and AC 175 factory set, can change according to the and to 2.5 bar (35 psig) on model AC 225 then it... -
Page 23: Control Sequence
Page 22 OPERATION - CONTROL SEQUENCE TIMED FREEZE At the start of freezing cycle the evaporator Electrical components (Loads) temperature sensor controls the length of the first • Compressor ..........part of the freezing cycle. As it reaches a • •... -
Page 24: Component Description
Page 23 COMPONENTS DESCRIPTION OPERATING CHARACTERISTICS EVAPORATOR TEMPERATURE SENSOR ACM 85, AC 125 and AC 175 The evaporator temperature sensor probe, Freeze Cycle located in contact with the evaporator serpentine, detects the dropping of the evaporator tempera- Average Discharge ture during the freezing cycle and signals it by... - Page 25 Page 24 ICE BIN LEVEL LIGHT CONTROL RE-SET/HI TEMPERATURE. To be selected to resume the unit operation when the ice maker The electronic ice bin level control, located into shuts off due to the intervention of the condenser the storage bin, has the function to stop the temperature sensor (too high condensing tem- operation of the ice machine when the light beam perature) or evaporator temperature sensor (too...
- Page 26 15 seconds of the defrost cycle It is recommended that the pump motor bearings (ACM 85, AC 125 & AC 175) - position OFF - and be checked at least every six months. for the first 30 seconds - position ON (AC 225).
- Page 27 Page 26 COMPRESSOR WATER INLET SOLENOID VALVE - 3/4 MALE FITTING The hermetic compressor is the heart of the refrigerant system and it is used to circulate and The water inlet solenoid valve is activated by the retrieve the refrigerant throughout the entire micro processor of the P.C.
-
Page 28: Adjustment, Removal And Replacement Procedures
Page 27 ADJUSTMENT, REMOVAL AND REPLACEMENT PROCEDURES ADJUSTMENT OF THE CUBE SIZE CAUTION. Before performing actual adjustment of the cube size , check other possible causes for cube size problems, refer to the Service Diagnosis Section for problem review and analysis. Do not perform any adjustment till the icemaking system has progressed SMALL... -
Page 29: Replacement Of Evaporator Temperature Sensor
ACM 85 and AC125-175 and top and left side left side panel while on water cooled version of panel on model AC 225. ACM 85 and AC 125-175 it is required to remove even the rear panel. Remove the evaporator cover and snap off... -
Page 30: Replacement Of The Water Pump (Ac 125 & Ac 175 )
To install the replacement pump follow the REPLACEMENT OF FAN MOTOR above steps in reverse. Remove front and back panel on models ACM 85 and AC 125-175 and the front and left side panel on model AC 225. REPLACEMENT OF THE WATER INLET SOLENOID VALVE Remove screws and yellow green ground wire. -
Page 31: Replacement Of Plastic Curtain (Acm 85 & Ac 125-175)
On ACM 85 and AC 125-175 remove the Unsolder the refrigerant lines from the two water inlet tube from the evaporator chamber ends of the drier (on ACM 85 and AC 125 the after unloosing the appropriate screws. capillary tube from one side of the drier). -
Page 32: Replacement Of Air Cooled Condenser
Remove front and back panel on models condenser replacement. ACM 85 and AC 125-175 and the front and left side panel on model AC 225. REPLACEMENT OF WATER Remove from the condenser fins the... -
Page 33: Replacement Of Compressor
Remove the four compressor mounting bolts and the compressor from the unit base. Remove back and front panels on models ACM 85 and AC 125-175 and the front and left NOTE. It is imperative to install a replace- ment drier whenever the sealed refrigeration side panel on model AC 225. -
Page 34: Wiring Diagram (Acm 85)
Page 33 WIRING DIAGRAM ACM 85 - AIR AND WATER COOLED 230/50/1... -
Page 35: Wiring Diagram (Ac 125-175 & Ac 225)
Page 34 WIRING DIAGRAM AC 125-175 & AC 225 - AIR AND WATER COOLED 230/50/1... -
Page 36: Service Diagnosis
Shortage of water See remedies for shortage of water Dirty water supply Use water softner or water filter Accumulated impurities Use SCOTSMAN Ice Machine cleaner Spray bar not rotating (AC 225) Remove spray bar & jet bearing or slowly rotating... - Page 37 Page 36 SERVICE DIAGNOSIS SYMPTON POSSIBLE CAUSE SUGGESTED CORRECTION Shortage of water Water spilling out through curtain Check or replace curtain Water solenoid valve not opening Replace valve Water leak in sump area Locate and repair Water flow control plugged Replace water inlet valve Leak of water drain valve Replace valve...
- Page 38 Page 37 SERVICE DIAGNOSIS SYMPTON POSSIBLE CAUSE SUGGESTED CORRECTION Unit won’t harvest Inoperative P.C.Board Replace P.C.Board Hot gas valve not opening Valve coil with open winding Replace valve Water solenoid valve not opening Valve coil with open winding Replace valve Incorrect discharge pressure Inoperative condenser sensor Replace sensor...
-
Page 39: Maintenance And Cleaning Instructions
Check that the icemaker is levelled in side to side and in front to rear directions. Clean the water system, evaporator, bin and spray platens (ACM 85 & AC 125-175) using NOTE.Cleaning requirements vary according to the local water conditions and individual a solution of SCOTSMAN Ice Machine Cleaner. -
Page 40: Cleaning Instructions Of Water System
Prepare the cleaning solution by diluting in a plastic container two or three liters of warm water (45°-50°C) with a 0,2-0,3 liters of SCOTSMAN Ice Machine Cleaner. WARNING. The SCOTSMAN Ice Machine Cleaner contains Phosphoric Hydroxyacetic acids. These compounds are corrosive and may cause burns if swallowed, DO NOT induce vomiting. - Page 41 Page 40 10. Flush out the rinsing water from the sump Remove the evaporator cover then slowly reservoir then turn the program selector on pour onto the evaporator platen the cleaning RE-SET/HI TEMPERATURE position and solution. With the help of a brush dissolve the immediately afterward FREEZING...
- Page 42 Page 41 13. Place again the evaporator cover and the 15. Wipe clean and rinse the inner surfaces of unit service panels. the storage bin. 14. At completion of the freezing and harvest cycle make sure of proper texture and clearness REMEMBER.
- Page 43 I C E S Y S T E M S SCOTSMAN - EUROPE 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: ISO 9001 - Cert. n° 0080...