IceTech FDHD Series, Service Manual

Page 1: ...SERVICE MANUAL 1 SERVICE MANUAL SERIE FDHD ICE CUBE MAKERS UNDERCOUNTER MODELS FDHD 50 FDHD 70 FDHD 100 FDHD 150 ICE CUBE MAKERS MODULAR MODELS FDHD 215 FDHD 415...

Page 2: ...HECKING AND START UP 12 3 1 Prior checking 12 3 2 Start Up 12 4 SEQUENCE OF OPERATION UNDERCOUNTER MODELS NG 14 4 1 Undercounter Control Board 14 4 2 Alarms 16 4 2 1 Safety high pressure switch 17 4 2...

Page 3: ...or modular models MS 31 7 3 Cleaning the bins for undercounter models 35 7 4 Cleaning the condenser 35 7 5 External cleaning of the machine 36 7 6 Water leakage checking 36 8 TECHNICAL SPECIFICATIONS...

Page 4: ...nance service Any change needed on the electrical installation for the appropriate connection of the machine should be exclusively performed by qualified and certified professional personnel only Any...

Page 5: ...n the built in structure clear of obstruction Do not use mechanical devices or other means to accelerate the defrosting process other than those recommended by the manufacturer Do not damage the refri...

Page 6: ...hree locations 1 Packing On the outside it contains a label with the serial number 2 Exterior of the unit On the back panel of the unit there is a label with the same characteristics as the previous o...

Page 7: ...to change the location to install a water cooled machine The air cooled FDHD modular ice makers take the air through the back section and drive it off through the two lateral louvers In the case it i...

Page 8: ...container machine s assembly should be verified as well as the fastening elements Follow bin manufacturer instructions 2 4 MINIMUM DISTANCE TO OBSTACLES Please see below the recommended minimum dista...

Page 9: ...with the filter system Pressure should be between 0 1 and 0 6 MPa 1 6 bar If pressure overpasses such values install a pressure regulator The water connection needs to be dedicated only piece of equi...

Page 10: ...where the drain can be located 30 meters horizontally and 1 5 meters high from the machine s water outlet If the drain pipe runs incorrectly the pump may not be able to drain the water because the flo...

Page 11: ...only The machine should be places in such a way as to allow a minimum space between the back and the wall to allow an easy access and without risks to the cable plug Safeguard the socket It is conven...

Page 12: ...than 0 6 MPa 6 bar install a pressure regulator 3 2 START UP Once the installation instructions are followed ventilation site conditions temperatures water quality etc proceed as follows 1 Open the w...

Page 13: ...occurring uniformly and all ice cubes are properly watered 8 Close door for under counter models Replace the front panel in its place for modular models 9 For modular models Verify the ice slab with...

Page 14: ...in different working conditions Once the fabrication is over the harvest phase starts The pump stops the hot gas valve open and the water inlet valve open only during the time fixed in the dip switche...

Page 15: ...There are four additional red leds that signal machine status continuous or alarm flashing Status signaling Continuous led LE1 LE2 LE3 LE4 Start up delay X Ice cycle T Tc X X Ice cycle T Tc X Harvest...

Page 16: ...ON ON OFF 16 OFF ON ON 90 ON ON ON OFF 18 ON ON ON 100 OFF OFF OFF ON 20 ON OFF OFF ON 22 OFF ON OFF ON 24 ON ON OFF ON 26 OFF OFF ON ON 28 ON OFF ON ON 30 OFF ON ON ON 32 ON ON ON ON 34 4 2 ALARMS T...

Page 17: ...OUT If during the production cycle evaporator temperature probe has not reached the set temperature Tc in more than 60 min the machine will stop until reset Signalling Flashing in LE2 4 2 4 FAULTY TEM...

Page 18: ...ump turns off if the electrodes are not covered by the water otherwise the pump will start again for 5 seconds In case that the system does not work for any issue the water will flood the ice bin Ther...

Page 19: ...SERVICE MANUAL 19...

Page 20: ...CONTROL BOARD PCB connections Outputs B Water pump Inputs Lw Water Level Sensor LED signalling There are two LEDs that signals machine status Status signaling Continuous led LED5 LED6 PUMP RUNNING X...

Page 21: ...water pump and the drain electrovalve are energized during 45 seconds to empty the water tray and remove mineral deposits After this water pump and drain electrovalve de energized the water inlet val...

Page 22: ...d when time t6 is over when the pump is stopped The harvest ends when the ice sheet falls down and the curtain micro contact MC is activated Two possibilities 1 MC is active during a time less than t3...

Page 23: ...change 60 t15 Maximum time to reset due to security pressure switch 600 5 2 MS CONTROL BOARD PCB connections Outputs C compressor B Water pump EW Water inlet valve GC Hot gas valve EP Drain valve SL...

Page 24: ...reset Off manual reset J5 Stacked machines configuration On Master unit lower Off Slave unit upper 5 3 ALARMS They detect operational malfunctions They are indicated with the flashing status LEDs LE1...

Page 25: ...out receiving any thickness detector signal ESP the machine will stop Signalling Flashing in LE1 5 7 SHORT PRODUCTION CYCLE If during two consecutive cycles the production cycle time is less than 2 mi...

Page 26: ...ion Closed jumper upper machine Open jumper lower machine The lower machine works in the same way as if operating alone The upper machine operates normally except when the lower machine is stopped due...

Page 27: ...SERVICE MANUAL 27 6 Refrigeration diagram...

Page 28: ...ne s water system should be cleaned and sanitized at least twice a year CAUTION Do not mix Ice Machine Cleaner and Sanitizer solutions together WARNING Wear rubber gloves and safety goggles when handl...

Page 29: ...ater spill e Prepare a solution of an appropriate product for the cleaning of ice machines lime Do not use hydrochloric acid We recommend the use of any NSF approved scale removal product prepared acc...

Page 30: ...ution using a brush not a wire brush or cloth Rinse all areas with water m Clean all the interior surfaces of the freezing compartment including storage bin with the cleaner solution using a brush or...

Page 31: ...on the machine to allow water to circulate for 5 minutes and then stop the machine Repeat this operation two more times to rinse thoroughly v Remove the auxiliary hose to drain the water Replace it an...

Page 32: ...oduct In modular machines the water bucket is filled automatically so we recommend to prepare a previous solution To start a cleaning cycle move the ice wash switch to the WASH position position II Th...

Page 33: ...servoir and refill it and then set the ice wash switch to the OFF position 6 Disconnect power and close water supplies 7 Mix a cleaning solution 8 Remove water pump curtain and water tray 9 Clean the...

Page 34: ...astic parts of the evaporator distributor and the front panel applying liberally the sanitizer solution using a cloth or sponge 14 Return water pump the water tray and curtain to their normal position...

Page 35: ...aces of the bin Use a nylon brush or cloth 4 Rinse with plenty of water dry run the machine and open water faucet 7 4 CLEANING THE CONDENSER AIR CONDENSER 1 Disconnect machine and close water faucet 2...

Page 36: ...he area around the ice machine as often as necessary to maintain cleanliness Sponge any dust and dirt off the outside of the ice machine with mild soap and water Wipe dry with a clean soft cloth A com...

Page 37: ...SERVICE MANUAL 37 8 TECHNICAL SPECIFICATIONS NG UNDER COUNTER MODULAR Z X Y X Z Y...

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Page 39: ...leveled tilted to back Level down front Dirty or scaled evaporator Perform descaling procedure Not enough water time Increase water time dip 5 7 table xx Not uniform flow pattern at evaporator Dirty...

Page 40: ...steel rod beside pump Defective drain valve check drain leak during ice stage Disassemble and clean Shield splash leaks Check shield position Water overflows tray Level probe too high or scaled Adjus...