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Summary of Contents for Ice-O-Matic ICEF 155
- Page 1 Page 1 Page 1 SERVICE MANUAL ICE UNDERCOUNTER SERIES CUBER MODEL ICEF 155 Rev. 07/2014...
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Page 2: Table Of Contents
Page 2 Page 2 Table of contents page TABLE OF Specifications CONTENTS 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 Start up Operational checks PRINCIPLE OF OPERATION (How it works) Water circuit Refrigerant circuit... -
Page 3: Specifications
Page 3 Page 3 SPECIFICATIONS ELECTRONIC FLAKER MODEL ICEF 155 Important operating requirements: - Air temperature 10°C (50°F) 40°C (100°F) - Water temperature 5°C (40°F) 40°C (100°F) - Water pressure 1 bar (14 psi) 5 bars (70 psi) - Electr. voltage... - Page 4 HEIGHT (less legs) 794 mm. HEIGHT (with legs) 929 mm. WIDTH 529 mm. DEPTH 621 mm. WEIGHT 51 Kg. ICEF 155 - MACHINE SPECIFICATIONS Ice bin Water req. Model Cond. unit Finish Comp. HP lt/24 HR ICEF 155 AS 53** S.
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Page 5: General Information And Installation
This manual provides the specifications and the step-by-step procedures for the installation, start- up and operation, maintenance and cleaning for CAUTION. Incorrect voltage supplied to the ICEF 155 icemakers. the icemaker will void your parts This Electronic Flaker is quality designed, replacement program. -
Page 6: Water Supply And Drain Connections
Page 6 Page 6 All ice machines are supplied from the factory Connect the 3/4" GAS male fitting of the water completely pre-wired and require only electrical inlet, using the flexible hose supplied to the cold power connections to the wire cord provided at water supply line with regular plumbing fitting the rear of the unit. -
Page 7: Installation Practice
Page 7 Page 7 11. Has the Manufacturer’s registration card Check all refrigerant lines and conduit lines to guard against vibrations and possible failure. been filled in properly? Check for correct model and serial number against the serial plate and Have the bin liner and cabinet been wiped mail the registration card to the factory. -
Page 8: Operating Instructions
Page 8 Page 8 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 9 Page 9 Page 9 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 10: Operational Checks
Page 10 Page 10 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 °... - Page 11 Page 11 Page 11 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 and the YELLOW warning LED will glow to with the immediate start-up of the gear motor...
- Page 12 Page 12 Page 12 NOTE. During the life of the machine the Ice NOTE. The ICE LEVEL CONTROL Level Control may require a recalibration (INFRA-RED SYSTEM) is independent of mainly when the glass of the two optical eyes the temperature however, the reliability of are covered by a thin lay of scale.
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Page 13: Principle Of Operation (How It Works)
Page 13 Page 13 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 14 Page 14 Page 14 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 15: Mechanical System
Page 15 Page 15 The refrigerant suction or Lo-pressure sets - in directly fitted in the gear case through which it normal ambient conditions (21 °C) - on the value drives - in counter clockwise rotation at a speed ÷ ÷... -
Page 16: Operating Pressures
C ambient temperature) capillary tube REFRIGERANT CHARGE (R 134 A) Discharge pressure: air cooled water cooled 8.5 ÷ 10 bar ICEF 155 340 gr 310 gr Air cooled version 123 ÷ 145 psig Water cooled version 9.5 bar NOTE. Before charging the refrigerant system... -
Page 17: Components Description
Page 17 Page 17 In case the condenser temperature sensor COMPONENTS DESCRIPTION detects a temperature at the condenser lower ° ° than +1 C (33 F) that signify that the ambient temperature is at the same value, therefore it is too low for the correct unit operation, the sensor signals to the microprocessor to stop immediately A. - Page 18 Page 18 Page 18 the light source and the sensor gets interrupted The five LEDS, placed in a row in the front of the by the flake ice which accumulates in the spout. P.C. BOARD, monitor the following situations: When the light beam is interrupted the Bin Full YELLOW LED located in the front of the P.C.
- Page 19 Page 19 Page 19 TO BY-PASS THE 3'/60' STAND BY TIME, SYMPLY JUMP "TEST" CONTACTS WITH PCB ENERGIZED EXTERNAL SWITCHES SOCKET G. JUMPERS The Flaker PC Board is equipped by three jumpers: Connected to the external Green Master and Red Alarm Reset Switches, it receives power from the Master Switch as well as it provides power to the Red Alarm switch in order to signal PURGE Used on machine equipped with Water...
- Page 20 Page 20 Page 20 The drive motor rotor is kept aligned on its vertical NOTE. It is very important to make sure of the axis by two ball bearings permanently lubricated. correct fitting of the cover on the reservoir in The gear case contains a train of three spur order to enable the sensor to efficiently control gears the first one of which is in fiber to limit the...
- Page 21 Page 21 Page 21 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 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 A.
- Page 22 Page 22 Page 22 Unloose the three screws securing the plastic NOTE. In case the TEST contacts are jumped cover to the gear motor speed sensor housing together (it is a possibility when PC Board is and remove it. replace as spare parts), the machine starts up immediately with all the electrical parts Unloose the two screws securing the sensor (compressor, drive motor and fan motor start...
- Page 23 Page 23 Page 23 Slide off from the auger bottom the upper NOTE. Install the upper bearing into the ice half of the water seal. breaker starting by the radial portion that must be fitted with the flat surface facing up. NOTE.
- Page 24 Page 24 Page 24 REPLACEMENT OF DRIER NOTE. Thoroughly evacuate the system to remove moisture and non condensables after Remove front and side panels. evaporator replacement. Recover the refrigerant from the system and transfer it in a container so to reclaim or recycle N.
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Page 25: Wiring Diagram
Page 25 Page 25 WIRING DIAGRAM AIR AND WATER COOLED 230/50-60/1... - Page 26 Page 26 Page 26...
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Page 27: Service Diagnosis
Page 27 Page 27 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 28 Page 28 Page 28 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 29: Maintenance And Cleaning Instructions
Page 29 Page 29 MAINTENANCE AND CLEANING INSTRUCTION A. GENERAL Check the ice level control sensor to test shut-off. Put your hand in front of the ice spout The periods and the procedures for maintenance and wait till it is completely full of ice so to cut off and cleaning are given as guides and are not to the light beam for at least 6 seconds. - Page 30 Page 30 Page 30 Shut close the water shutoff valve on water NOTE. The ice made with the cleaning line. solution is slushy and coloured also, it may tend to loose fluidity creating some resistence Remove the top panels to gain access to the in being elevated and extruded;...
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