Scotsman FME800 Service Manual Download Page 5 | Manualshive

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FOR THE INSTALLER: Location

TWO UNITS ON ONE BIN

ALLOW ROOM

FOR AIR

CIRCULATION
AND SERVICE

ACCESS

DO NOT STACK ANYTHING IN

FRONT OF THE MACHINE(S)

NME650 & FME800

February 1997

Page 5

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Summary of Contents for FME800

Page 1: ...ty information on a potential hazard Table of Contents FOR THE INSTALLER 2 SAMPLE BIN AND MACHINE COMBINATIONS 3 FOR THE INSTALLER 4 FOR THE PLUMBER 6 FOR THE ELECTRICIAN 7 START UP 9 COMPONENT DESCRI...

Page 2: ...04 126 Compared to the nameplate Operating the machine outside of the limitations is misuse and can void the warranty The normal finish for the ice machine is enamel A stainless steel panel kit SPKFM2...

Page 3: ...Bin Top Kit Required SAMPLE BIN AND MACHINE COMBINATIONS FME800 ON BH550 NME650 ON BH800 FME800 ON BH900 The Nameplate is located on the back of the machine NME650 FME800 February 1997 Page 3...

Page 4: ...ce easier 1 Remove the 2 top panel screws that will face each other 2 Remove the 2 service panels that will face each other 3 Add a strip of gasket such as Scotsman part number 19 0503 04 to the 2 bas...

Page 5: ...FOR THE INSTALLER Location TWO UNITS ON ONE BIN ALLOW ROOM FOR AIR CIRCULATION AND SERVICE ACCESS DO NOT STACK ANYTHING IN FRONT OF THE MACHINE S NME650 FME800 February 1997 Page 5...

Page 6: ...inet The water pressure to all lines must always be above 20 psig and below 80 psig Drains Air Cooled Models There is one 3 4 FPT drain at the back of the cabinet the drain line is of the gravity type...

Page 7: ...ine requires a solid chassis to earth ground wire The ice maker should be connected to its own electrical circuit so it would be individually fused Voltage variation must remain within design limitati...

Page 8: ...requirements 3 Have all the plumbing connections been made and checked for leaks 4 Has the machine and bin been leveled 5 Is there a minimum of 6 clearance at the back of the machine for proper servic...

Page 9: ...will open and warm water will be discharged into the drain 5 The unit should soon be making ice if desired the low side pressure can be checked it should be 34 psig or 4 psig The suction line tempera...

Page 10: ...here is no water Ice Discharge Chute Directs the ice produced by the evaporator into the storage bin Ice Level Sensor An electronic eye it senses the presence of ice in the bottom of the ice discharge...

Page 11: ...in the reservoir Amp draw of the gearmotor The loads include Compressor contactor Fan motor Auger drive motor Low Pressure Cut Out Switch A manual reset control that shuts off the ice machine when the...

Page 12: ...ng where the two seal faces meet Ice Sweep A plastic cap with fingers It revolves with the auger to sweep the ice into the ice chute Breaker Where the ice is compressed and much of the extra water is...

Page 13: ...wn Shut Down consists of The compressor relay opens The compressor contactor opens The compressor stops The auger motor is run by the circuit board for 2 more minutes clearing out ice in the evaporato...

Page 14: ...e cooling water it enters the fitting at the rear goes to the water regulating valve then to the water cooled condenser and down the drain Water Level The correct water level should be checked when th...

Page 15: ...vaporates it absorbs heat from the evaporator and whatever is in contact with it such as the water inside it After the evaporator the refrigerant now a low pressure vapor goes through the suction line...

Page 16: ...the water reservoir until it is full Wait 15 minutes then switch the master switch to ON 9 As the ice maker begins to use water from the reservoir continue to add more cleaning solution to maintain a...

Page 17: ...eck the bearing by switching the machine OFF removing the ice chute cover unscrewing the ice sweep removing the water shed unscrewing the breaker cover unscrewing the auger stud Inspect the assembly l...

Page 18: ...ed or replaced B Clean the condenser the condenser may appear to be clean on the surface but it can still be clogged internally Check with a flash light from the front to see if light can be seen thou...

Page 19: ...T 1 To remove the auger remove the front and top panels 2 Push bail clamp back from the top of the chute cover 3 Unscrew and remove ice sweep 4 Remove 4 allen screws holding breaker to evaporator 5 Pu...

Page 20: ...k for a Thermostatic Expansion Valve that does not open if defective replace it Replace the drier evacuate and weigh in the nameplate charge E Check the high pressure cut out if closed go to F if open...

Page 21: ...f the ice level sensors should be replaced 3 If the transformer is fine and the no water light is ON check the water level sensor a Check the water level in the reservoir restore if low If the water l...

Page 22: ...s open replace the contactor 3 Check the auger drive motor centrifugal switch If when the drive motor is running contact 4 black wire removed has no power and all of the above switches have been check...

Page 23: ...aks replace the water seal if found to be leaking 3 Check the low side pressure normal is about 32 34 psig If low assume a refrigerant leak locate repair and recharge If no leak the TXV may be restric...

Page 24: ...ed through the holes in the ice chute ICE CHUTE SLIDE BIN CONTROLS IN AND OUT REMOVAL AND REPLACEMENT Bin Controls Plunger Valve Seat Locking Tab Float Valve RESERVOIR 1 Shut off water supply 2 Remove...

Page 25: ...rust rough spots and damage a The bearing is pressed into the breaker to remove the bearing and replace it an arbor press is needed b Replace lower seals before installing new bearing in breaker Note...

Page 26: ...emove breaker from evaporator e If the auger is stuck use a slide hammer type puller to pull on the auger at the threaded hole The size of that hole is 5 8 18 Inspect the auger the critical areas of t...

Page 27: ...inst it 3 The part of the water seal that rotates with the auger must also be replaced Remove the old part from the auger and clean the mounting area 4 Place a small bead of food grade silastic sealan...

Page 28: ...until dehydrated then weigh in the nameplate charge Check for leaks 8 Install auger breaker breaker bearing assembly and ice discharge chute in reverse order of disassembly See To Reassemble Evaporat...

Page 29: ...y to be fine if the oil is If there is evidence of water in the oil rusty bearings and gears the oil having a creamy white appearance oil level too high carefully inspect the bearings and gears If in...

Page 30: ...t meet ARI spec 700 88 Reclaim programs are available through most refrigerant wholesalers Access Valves To use the access valves Remove the cap from the stem use a 3 16 allen wrench to check that the...

Page 31: ...red This system has a critical charge it must be recharged with the correct amount of refrigerant as listed on the nameplate of the ice machine or performance will suffer Anytime the refrigeration sys...

Page 32: ...ll switch to Bin Empty The light on the tester should go OFF and the Bin Empty light on the circuit board should go ON If the Bin Empty light is ON wait 10 20 seconds for the machine to start if the m...

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