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Scotsman FME1504R, Руководство по обслуживанию

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NME1254R & FME1504R

January 2000

Page 10

FOR THE INSTALLER: Completed Installation

ROOF

CUT-AWAY

INSULATED PRECHARGED

REFRIGERANT TUBING

A typical installation should generally appear as

illustrated below. The remote condenser must be

located above the icemaker and the precharged

lines installed per the instructions on page 6.

Содержание FME1504R

Страница 1: ...2 COMPONENT DESCRIPTION Page 13 COMPONENT DESCRIPTION Control Box Components Page 14 ELECTRICAL SEQUENCE Page 15 OPERATION Water Page 16 OPERATION Refrigeration Page 17 OPERATION Refrigeration Page 18...

Страница 2: ...KBT46 and KDIL N 250 Lancer nugget IBD use KDIL N L Lancer kit NME954R FME1204R January 2005 Page 2 Liquid Line Connection Discharge Line Connection Remote Condenser Junction Box Electrical Inlet Wate...

Страница 3: ...grees F Operating the machine outside of the limitations is misuse and can void the warranty Scotsman Ice Systems are designed and manufactured with the highest regard for safety and performance They...

Страница 4: ...gasket Install bin top if required follow the directions included with the bin top Note Do not push bin into position but lift it there Pushing a bin especially one with ice in it can cause damage to...

Страница 5: ...Horizontal Run dd rd hd Calculated Line Length Configurations that do NOT meet these requirements must receive prior written authorization from Scotsman Do NOT Route a line set that rises then falls...

Страница 6: ...charged refrigerant lines either 25 foot or 40 foot consists of a 3 8 inch diameter liquid line and a 1 2 inch diameter discharge line Both ends of each line have quick connect couplings one end has a...

Страница 7: ...properly engaged 4b Using two wrenches one to rotate the swivel nut and one to hold the tubing tighten each coupling It is CRITICAL that ONLY the NUT on the pre charged tube be turned or the diaphragm...

Страница 8: ...line is of the gravity type and 1 4 inch per foot fall is an acceptable pitch for the drain tubing There should be a vent at the highest point of the drain line and the ideal drain receptacle would b...

Страница 9: ...als for the compressor and the fan motor operates whenever the compressor operates Electrical connections are made at the junction box at the back of the icemaker and at the junction box on the remote...

Страница 10: ...eted Installation ROOF CUT AWAY INSULATED PRECHARGED REFRIGERANT TUBING A typical installation should generally appear as illustrated below The remote condenser must be located above the icemaker and...

Страница 11: ...ure a minimum of 20 psig 7 Has the machine been secured to the bin 8 Is there a water shut off valve installed near the machine 9 Is the remote condenser installed per local building codes and in a pl...

Страница 12: ...tomatic A There should be a short 15 second delay before the gearmotor starts B After the gearmotor starts the liquid line valve will open the pump down control will close and the compressor will star...

Страница 13: ...Senses if there is water in the reservoir to make ice out of Will shut the machine off it there is none Ice Discharge Chute Directs the ice produced by the evaporator into the storage bin Ice Level Se...

Страница 14: ...ce machine through sensors and relays The sensors are ice level and water level The relays are for the gear motor with a built in time delay to clear the evaporator of ice when the unit turns off and...

Страница 15: ...ens LED1 goes out The liquid line valve closes stopping refrigerant flow The pump down control opens after the suction pressure falls to its cut out point The compressor contactor opens The compressor...

Страница 16: ...of the evaporator Reservoir overflow or evaporator condensation is routed to the drain RESERVOIR EVAPORATOR DRAIN WATER LEVEL WATER INLET DRAIN Water Level The correct water level should be checked wh...

Страница 17: ...mostatic expansion valve meters liquid refrigerant into the evaporator the volume of liquid refrigerant depending upon the temperature of the evaporator warmer evaporators get more refrigerant and col...

Страница 18: ...the receiver This forces more refrigerant into the condenser with a small amount of discharge gas going into the receiver to maintain pressure until the head pressure is built back up to 180 psig At t...

Страница 19: ...head pressure control and into the receiver At this point the refrigerant flow is stopped by the closed liquid line valve This action forces the refrigerant into the receiver and keeps it out of the c...

Страница 20: ...e cleaning solution into 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 cleanin...

Страница 21: ...an as illustrated 2 The ice machine senses water level by a probe located in the water reservoir At least twice a year the probe should be removed from the reservoir and the tip wiped clean of mineral...

Страница 22: ...ring and breaker should be removed to check the action of the bearing It should rotate smoothly To remove the breaker remove the lower ice chute then take out all four allen head cap screws and pull t...

Страница 23: ...the auger remove front and top panels 2 Remove bail clip holding the ice chute cover to the ice chute body and remove the cover 3 Unscrew and remove ice sweep 4 Remove ice chute body from evaporator 5...

Страница 24: ...ms but does not turn Auger can t turn Circuit board has not yet shut unit down Unit is shut down Circuit board has shut ice machine down due to high auger motor amp draw Check for cause of high amp dr...

Страница 25: ...Tubing cracked Replace tubing Condensation on drain tubing Insulate tubing Hose off Re attach hose Reservoir cover off Return cover to reservoir Reservoir cracked Replace reservoir Evaporator water s...

Страница 26: ...contactor coil If it is on the ice sensors may be blocked Remove them and check for mineral scale Scotsman s test box can also be used to determine if the ice sensors or board are defective Using the...

Страница 27: ...rvoir bracket and remove reservoir from icemaker 9 Reverse to reassemble BIN CONTROLS Ice Level Sensors 1 Disconnect electrical power 2 Remove front panel 3 Remove control box cover 4 Locate ice chute...

Страница 28: ...age 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 seals must be pressed in...

Страница 29: ...rator d 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 the auger are a The auger body It should be cle...

Страница 30: ...pull the water seal down against 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 o...

Страница 31: ...mble the Evaporator and Auger 1 After the gearmotor has been inspected fasten the evaporator to the gear motor be sure that the number of shims indicated on the gear case cover is in place between the...

Страница 32: ...here 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 doubt about the condition of a...

Страница 33: ...capable of detecting a Halongenated refrigerant or HFC 134a will work Check with the leak detector manufacturer if in doubt Evacuate to 300 microns Liquid charge the system Access Valves To use the ac...

Страница 34: ...hut off if there is no water to it Check the filters if there are any 2 Check the power supply to the machine Reset the breaker if it is tripped 3 If both water and power have been checked and are ava...

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