Scotsman FME1500R Скачать руководство пользователя страница 36

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Water Level
1. Unplug "water sen" connector from control
board.
2. Plug "water sen" connector from Scotsman
tester into circuit board.

a. Move "water" switch on tester to No Water

position. The No Water light on the circuit board
should go ON. If not, replace the circuit board.

b. Move the "water" switch on the tester to the

Water position. The No Water light on the board
should go OFF. If not replace the circuit board. If
the light does go off, replace the water level sensor.

ELECTRONIC CONTROL TESTER

LIGHT ON

WATER SENS

SWITCH TO

"NO WATER"

LIGHT OFF

SWITCH TO

"WATER"

FME1500R

June 1994

Page 36

Содержание FME1500R

Страница 1: ...AND CLEANING 19 ICEMAKER MAINTENANCE 20 SERVICE DIAGNOSIS Condition No Ice Being Produced 22 SERVICE DIAGNOSIS Condition Low Ice Production 26 REMOVAL AND REPLACEMENT 27 REMOVAL AND REPLACEMENT Beari...

Страница 2: ...KHQ LQVWDOOLQJ D QHZ V VWHP FKHFN WR EH VXUH WKDW RX KDYH HYHU WKLQJ RX QHHG EHIRUH EHJLQQLQJ RUUHFW LQ RUUHFW FH 0DFKLQH RUUHFW LQ 7RS LI UHTXLUHG OO NLWV OHJV DQG LQIRUPDWLRQ UHTXLUHG IRU WKH VSHFLI...

Страница 3: ...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 meet or exceed the...

Страница 4: ...e bin 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 dama...

Страница 5: ...f precharged 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...

Страница 6: ...ng the couplings together by hand then using two wrenches it is important that ONLY the nut on the precharged lines be turned the other parts of the couplings must NOT be allowed to turn or the proces...

Страница 7: ...ne 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 be a...

Страница 8: ...terminals 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...

Страница 9: ...NSULATED 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 pe...

Страница 10: ...pressure 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 i...

Страница 11: ...on automatic 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...

Страница 12: ...f 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 Sensor An electronic eye it senses the presence of ice in the...

Страница 13: ...with a built in time delay to clear the evaporator of ice when the unit turns off and for the liquid line valve Transformer Supplies low voltage to the circuit board Pump Down Control A switch to con...

Страница 14: ...e sensors for more than 15 seconds bin full At that point the machine shuts down Shut Down consists of The liquid line solenoid relay opens lowering the suction pressure The pump down pressure control...

Страница 15: ...vaporator condensation is routed to the drain RESERVOIR EVAPORATOR DRAIN WATER LEVEL STRAINER WATER INLET DRAIN Water Level The correct water level should be checked when the machine is making ice Loc...

Страница 16: ...ostatic 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 cold...

Страница 17: ...and 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...

Страница 18: ...h the 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...

Страница 19: ...our the 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 c...

Страница 20: ...of mineral build up 3 The top bearing in the breaker should also be checked at least two times per year Check the thrust bearing by removing the ice chute cover unscrewing the ice sweep removing the w...

Страница 21: ...els 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 Remove 4 allen screws holding bre...

Страница 22: ...r the air around it kept cooler Check the fan motor for tight bearings and proper rotation Check that the fan blades are clean and the fan secure to the fan motor shaft b Check the head pressure contr...

Страница 23: ...the tester should be ON if not replace the circuit board If the bin full light on the tester is ON move the tester switch to bin empty the light on the tester should go OFF and the bin empty light on...

Страница 24: ...erant if the unit begins to operate normal low side pressure being about 30 32 psig stop and look for a leak repair replace the drier evacuate and weigh in the nameplate charge If with added charge th...

Страница 25: ...fugal switch or the drive motor 4 If the compressor relay on the circuit board has power on the NO contact but not on the COM contact replace the circuit board C Check the compressor contactor 1 If th...

Страница 26: ...d defective or not adjusted properly If needed replace the TXV evacuate and recharge per nameplate 4 Check the insulation on the evaporator It should be dry with no wet spots or frost If the insulatio...

Страница 27: ...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 at the base of the chute...

Страница 28: ...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...

Страница 29: ...evaporator 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 b...

Страница 30: ...d 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...

Страница 31: ...is in place between the gearcase cover and the drip pan gasket Torque the bolts to 110 inch pounds 2 Lower the auger into the evaporator barrel slightly turning it to match up with the drive end Do No...

Страница 32: ...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 doubt about the condition o...

Страница 33: ...with the leak detector manufacturer if in doubt As with any other refrigerant do NOT mix HP62 with pressurized air when leak testing VAPOR VAPOR TEMP PRESSURE TEMP PRESSURE DEG F PSIG DEG F PSIG 20 1...

Страница 34: ...repaired 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 refrigeratio...

Страница 35: ...into the circuit board a Move the bin full switch on the tester to Full The light on the tester should be ON If the light on the tester is not on the circuit board should be replaced b If the light on...

Страница 36: ...er light on the circuit board should go ON If not replace the circuit board b Move the water switch on the tester to the Water position The No Water light on the board should go OFF If not replace the...

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