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SERVICE MANUAL
AF 80
AF 100
AF 200
Electronic flakers
SCOTSMAN EUROPE - FRIMONT SPA
Via Puccini, 22 - 20010 Pogliano M.se - Milano - Italy
Tel. +39-02-93960.1 (Aut. Sel.)- Telefax +39-02-93550500
Direct Line to Service & Parts:
Phone +39-02-93960350 - Fax +39-02-93540449
Website: www.scotsman-ice.com
E-Mail: scotsman.europe@frimont.it
AF 20
AF 30
with storage
MS 1000.73 REV. 05/2009
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S
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Summary of Contents for Scotsman AF Series
- Page 1 AF 20 AF 30 Electronic flakers with storage SCOTSMAN EUROPE - FRIMONT SPA Via Puccini, 22 - 20010 Pogliano M.se - Milano - Italy Tel. +39-02-93960.1 (Aut. Sel.)- Telefax +39-02-93550500 Direct Line to Service & Parts: Phone +39-02-93960350 - Fax +39-02-93540449 Website: www.scotsman-ice.com...
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Page 2: Table Of Contents
Page 2 Page 2 TABLE OF Table of contents page CONTENTS Specifications AF 80 Specifications AF 100 Specifications AF 200 Specifications AF 20 Specifications AF 30 GENERAL INFORMATION AND INSTALLATION Introduction Unpacking and Inspection Location and levelling Electrical connections Water supply and drain connections Final check list Installation practice OPERATING INSTRUCTIONS... -
Page 3: Specifications Af
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 FLAKER at peak performance levels, periodic maintenance checks must be carried out as indicated on page 36 of this manual. - Page 4 Page 4 Page 4 SPECIFICATIONS Dimensions: HEIGHT (less legs) 813 mm. HEIGHT (with legs) 933 mm. WIDTH 535 mm. DEPTH 621 mm. WEIGHT 72 Kg. AF80 - MACHINE SPECIFICATIONS Ice bin Water req. Model Cond. unit Finish Comp. HP lt/24 HR AF80 AS 53** S.
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Page 5: Specifications Af
NOTE. 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 FLAKER at peak performance levels, periodic maintenance checks must be carried out as indicated on page 36 of this manual. - Page 6 Page 6 Page 6 SPECIFICATIONS Dimensions: HEIGHT (less legs) 1006 mm. HEIGHT (with legs) 1126 mm. WIDTH 592 mm. DEPTH 622 mm. WEIGHT 72 Kg. AF100 - MACHINE SPECIFICATIONS Ice bin Water req. Model Cond. unit Finish Comp. HP lt/24 HR AF 100 AS 85** S.
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Page 7: Specifications Af
NOTE. 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 FLAKER at peak performance levels, periodic maintenance checks must be carried out as indicated on page 36 of this manual. - Page 8 Page 8 Page 8 SPECIFICATIONS Dimensions: HEIGHT (less legs) 1006 mm. HEIGHT (with legs) 1126 mm. WIDTH 592 mm. DEPTH 622 mm. WEIGHT 72 Kg. AF 200 - MACHINE SPECIFICATIONS Ice bin Water req. Model Cond. unit Finish Comp. HP lt/24 HR AF 200 AS 100*...
- Page 9 NOTE. 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 FLAKER at peak performance levels, periodic maintenance checks must be carried out as indicated on page 36 of this manual.
- Page 10 Page 10 Page 10 SPECIFICATIONS Dimensions: HEIGHT (less legs) 1006 mm. HEIGHT (with legs) 1126 mm. WIDTH 969 mm. DEPTH 613 mm. WEIGHT 97 Kg. AF20 - MACHINE SPECIFICATIONS Ice bin Water req. Model Cond. unit Finish Comp. HP lt/24 HR AF 20 AS 120** S.
- Page 11 NOTE. 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 FLAKER at peak performance levels, periodic maintenance checks must be carried out as indicated on page 36 of this manual.
- Page 12 Page 12 Page 12 SPECIFICATIONS Dimensions: HEIGHT (less legs) 1006 mm. HEIGHT (with legs) 1126 mm. WIDTH 969 mm. DEPTH 613 mm. WEIGHT 105 Kg. AF30 - MACHINE SPECIFICATIONS Ice bin Water req. Model Cond. unit Finish Comp. HP lt/24 HR AF 30 AS 185* S.
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Page 13: General Information And Installation
Any severe damage noted should be of operation at temperature exceeding the following limitations will constitute reported to the delivering carrier and a concealed misuse under the terms of the SCOTSMAN damage claim form filled in subjet to inspection of Manufacturer’s Limited Warranty the contents with the carrier’s representative... -
Page 14: Electrical Connections
Page 14 Page 14 All SCOTSMAN ice machines are supplied from Connect the 3/4" GAS male fitting of the water the factory completely pre-wired and require only inlet, using the flexible hose supplied to the cold electrical power connections to the wire cord water supply line with regular plumbing fitting provided at the rear of the unit. -
Page 15: Installation Practice
12. Has the owner been given the name and the 10. Has the owner/user been given the User phone number of the authorized SCOTSMAN Manual and been instructed on the importance of Service Agency serving him? periodic maintenance checks? G. -
Page 16: Operating Instructions
Page 16 Page 16 OPERATING INSTRUCTIONS START UP B. Elapsed the 3 minutes - stand by period - the unit starts operating with the activation in sequence of the following assemblies: After having correctly installed the ice maker and completed the plumbing and electrical GEAR MOTOR connections, perform the following “Start-up”... - Page 17 Page 17 Page 17 FIG. 2 WATER LEVEL RESET GEAR MOTOR ROTATION CONTACTOR COIL RELAYS CONDENSER TEMP. T 40÷50°C EVAPORATOR TEMP. GEAR MOTOR ICE LEVEL CONTROL TRIAC FAN MOTOR TRANSF. ELECTRONIC CARD FIG. 3 WATER LEVEL RESET GEAR MOTOR ROTATION CONTACTOR COIL RELAYS CONDENSER TEMP.
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Page 18: Operational Checks
Page 18 Page 18 NOTE. If, after ten minutes from the NOTE. On air cooled models, the condenser compressor start-up, the evaporating tem- temperature sensor, which is located within perature has not dropped down to a value the condenser fins, keep the head (conden- °... - Page 19 Page 19 Page 19 This will cause a gradual decrease of the water YELLOW LED goes off while the RED LED level in the float reservoir and as soon as the level starts blinking. gets below the sensors, the flaker stops to ope- After 3 minutes the unit resumes its total operation rate (drive motor keeps on working by 3' delay with the immediate start-up of the gear motor...
- Page 20 Page 20 Page 20 NOTE. In the front of the PC Board is located NOTE. The ICE LEVEL CONTROL a small I/R Trimmer directly connected with (INFRA-RED SYSTEM) is independent of the optical Ice level control. By means of its the temperature however, the reliability of screw it is possible to modify the signal its detection can be affected by external...
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Page 21: Principle Of Operation (How It Works)
Page 21 Page 21 PRINCIPLE OF OPERATION WATER CIRCUIT horizontal motion to be discharged out, through the ice spout, into the storage bin. The water enter in the machine through the water By running the ice maker, i.e. by putting the unit inlet fitting which incorporates a strainer and it is under power, starts the automatic and continuous located at the rear side of the cabinet and then it... - Page 22 Page 22 Page 22 the MICRO-PROCESSOR of the P.C. Board NOTE. In case the condenser temperature probe which energizes, through a TRIAC, the Fan s enses that the condenser temperature has ° ° Motor in ON-OFF mode. rised to 70 C (160 F) - on air cooled versions °...
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Page 23: Mechanical System
After having diagnosed and eliminated the MECHANICAL SYSTEM source of the failure, to restart the unit it is The mechanical system of the SCOTSMAN necessary to switch OFF and ON the power Flaker machines consists basically of a gear line main disconnnect switch (Fig. 7). -
Page 24: Operating Pressures
Page 24 Page 24 OPERATING PRESSURES REFRIGERANT METERING DEVICE: ° (With 21 C ambient temperature) capillary tube REFRIGERANT CHARGE (R 134 A) Discharge pressure: AF 80 - 100 - 200 - 20 air cooled water cooled 8.5 ÷ 10 bar AF 80 310 gr 310 gr... -
Page 25: Components Description
Page 25 Page 25 start the unit operations up to the moment that COMPONENTS DESCRIPTION the ambient temperature will rise to more acceptables conditions (5°C). In the air cooled versions, in relation to the A. EVAPORATOR TEMPERATURE SENSOR different current received, the micro processor of The evaporator sensor probe is inserted into its the P.C. - Page 26 Page 26 Page 26 As soon as the ice is scooped out (with the YELLOW LED resumption of the light beam between the two Unit shut-off due to a infrared sensor of ice level control) 6 seconds later the too lo-water level into ice machine resumes its operation with the simul- float tank taneous extinguishing the 2nd YELLOW LED.
- Page 27 Page 27 Page 27 G. JUMPERS In the ice breaker it is housed the top bearing which is made of two rolls bearings positioned to The Flaker PC Board is equipped by three jumpers: withstand the auger axial and radial loads. This J1 ·...
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Page 28: Adjustment, Removal And Replacement Procedures
Page 28 Page 28 ADJUSTMENT, REMOVAL AND REPLACEMENT PROCEDURES B. REPLACEMENT OF EVAPORATOR NOTE. Read the instructions thoroughly TEMPERATURE SENSOR before performing any of the following adjustment or removal and replacement pro- Remove the front, rear and top panels. cedure. Remove the insulation from the refrigerant tubing, connecting the freezer to the accumulator, to gain access to the sensor probe well and be... -
Page 29: Replacement Of The Reservoir Water Level Sensor
Page 29 Page 29 Unloose the three screws securing the plastic To install the replacement spout follow cover to the gear motor speed sensor housing previous steps in reverse. and remove it. Unloose the two screws securing the sensor REPLACEMENT OF THE AUGER, WATER to the plastic housing and withdraw it from its SEAL, BEARINGS AND COUPLING seat. -
Page 30: Replacement Of The Gear Motor Assy
Remove the rear and top panel. To facilitate this, SCOTSMAN EUROPE Remove the three bolts and washers Service makes available a service Kit securing the gear reducer base to the unit chassis, P/N 001028.07 which includes besides the... -
Page 31: Replacement Of Air Cooled Condenser
Page 31 Page 31 To install the replacement condenser follow Remove the clamp fastening the water hose the above steps in reverse. to the water inlet port of the freezer assy. Place a water pan under this water inlet port then disconnect the water hose and collect all water NOTE. -
Page 32: Replacement Of Compressor
Page 32 Page 32 Trace the water regulating valve capillary To install the replacement compressor follow tube and unsolder its end from the refrigerant line the above steps in reverse. then remove it from the unit. NOTE. Thoroughly evacuate the system to NOTE. -
Page 33: Wiring Diagram
Page 33 Page 33 WIRING DIAGRAM AIR AND WATER COOLED GV - YELLOW GREEN 230/50-60/1 B - WHITE G - GREY N - BLACK A - BLUE M - BROWN V - GREEN... -
Page 34: Service Diagnosis
Page 34 Page 34 SERVICE DIAGNOSIS SYMPTON POSSIBLE CAUSE SUGGESTED CORRECTION Unit will not run Blown fuse in P.C.Board Replace fuse & check for cause of No LED lighted-up blown fuse Master switch in OFF position Turn switch to ON position Inoperative P.C.Board Replace P.C.Board Loose electrical connections... - Page 35 Page 35 Page 35 SERVICE DIAGNOSIS SYMPTON POSSIBLE CAUSE SUGGESTED CORRECTION Wet ice Ambinet temperature too high Move unit to cooler location High water level in the freezer Lower to approx. 20 mm below ice spout Faulty compressor Replace Machine runs but makes no ice Water not entering in the freezer Air look in feed line to freezer.
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Page 36: Maintenance And Cleaning Instructions
If required, polish the two sensor rods secured to the float reservoir cover, heavy scale sediment on them can be removed with the help of a bit of SCOTSMAN Cleaner plain. C. CLEANING INSTRUCTIONS OF WATER With the ice machine and fan motor OFF on... - Page 37 Be sure none remains in the bin. SCOTSMAN Ice Machine Cleaner. 12. Pour into the water reservoir 1 cc. (approx 20 drops) of Scotsman Sanitiser (Antialgae P/N WARNING. The SCOTSMAN Ice Machine 264000.00) then switch the unit ON. Cleaner contains Phosphoric Hydroxyacetic acids.