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Scotsman FM2402R, Руководство по обслуживанию

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Scotsman FM2402R Скачать руководство пользователя страница 11

FOR THE INSTALLER: Completed Installation

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.

FM2402R

December, 1992

Page 11

Содержание FM2402R

Страница 1: ...ce and water level a thermostatic expansion valve and R 22 as the refrigerant TABLE OF CONTENTS For the Installer Specifications 2 Location 5 Remote Condenser 6 For the Plumber 9 For the Electrician 1...

Страница 2: ...5 20 84 Allow 6 above machine for service 15 53 21 3 1 3 1 4 5 9 43 17 8 18 8 There are two separate ice making and refrigeration systems in this model The liquid and discharge lines from each system...

Страница 3: ...1 Check with a water treatment specialist for a water test and recommendations regarding filters and treatment 2 In most cases the water used to make ice should be filtered or treated depending upon t...

Страница 4: ...56 RT 2225 Precharged line set 25 R 22 2 required Or RT 2240 Precharged line set 40 R 22 2 required DIMENSIONS H X W X D MODEL USE WITH MINIMUM CIRC AMPACITY BASIC ELECTRICAL RC1222 27 8 X 22 X 37 94...

Страница 5: ...ling later Return the bin to the upright position remove paper covering the bin gasket Install the bin top according to the directions with the bin top Note Do not push bin into position but lift it t...

Страница 6: ...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 schrader valve connection that end goes to the condenser Note Th...

Страница 7: ...g marked discharge line 3 Begin tightening 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 m...

Страница 8: ...STALLER Location REMOTE CONDENSER EXCESS PRECHARGED TUBING INSIDE BUILDING ICEMAKER SERVICE ACCESS SERVICE ACCESS SIDE AND BACK ROOF CUTAWAY WALL CUTAWAY CONTACT ROOFING CONTRACTOR FM2402R December 19...

Страница 9: ...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 trapped and...

Страница 10: ...he 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 condense...

Страница 11: ...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 in...

Страница 12: ...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 13: ...tch on The electrical start up sequence is now 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 low p...

Страница 14: ...e 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 chute Operates...

Страница 15: ...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 An automatic reset pressure switch co...

Страница 16: ...run unless the ice stays between the sensors for more than 15 seconds bin full At that point the bin empty light goes out and the machine shuts down Shut Down consists of The liquid line solenoid clo...

Страница 17: ...the float valve The water them goes out the bottom of the reservoir tanks to the bottom of the evaporators Reservoir overflow or evaporator condensation is combined into a common drain line and routed...

Страница 18: ...aporator warmer evaporators get more refrigerant and colder evaporators get less At the evaporator the refrigerant enters an area of relatively low pressure where it can easily boil off or evaporate A...

Страница 19: ...h a small amount of discharge gas going into the receiver to maintain pressure until the head pressure is built back up to the rated gauge pressure of 220 psig At that pressure the valve opens up the...

Страница 20: ...is stopped by the closed liquid line valve This action forces the refrigerant into the receiver and keeps it out of the compressor The pump down continues until the low pressure control turns the com...

Страница 21: ...NOT induce vomiting Give large amounts of water or milk Call Physician immediately In case of external contact flush with water KEEP OUT OF THE REACH OF CHILDREN 7 Prepare the cleaning solution Mix e...

Страница 22: ...at least two times per year Check the breaker bearing by removing the ice chute cover unscrewing the ice sweep removing the water shed unscrewing the breaker cover left hand thread unscrewing the aug...

Страница 23: ...t For more information on removal and replacement of these parts see REMOVAL AND REPLACEMENT Shut off water and electrical supply 1 To remove the auger remove the front and top panels 2 Remove 3 hex s...

Страница 24: ...intaining a head pressure above 220 psig If the unit has the correct charge and the condenser is clean and the refrigerant lines are not kinked or twisted and the condenser is not overheated by extern...

Страница 25: ...oard 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 the circuit board should go ON If not replace the ci...

Страница 26: ...e machine b Check for low charge add some refrigerant if the unit begins to operate normal low side pressure being about 25 psig stop and look for a leak recover repair replace the drier evacuate and...

Страница 27: ...ay be restricted 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 I...

Страница 28: ...aker 8 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 in front of and be...

Страница 29: ...aker to evaporator d Lift up and remove breaker bearing assembly from auger evaporator 6 Service the bearing Check for rust rough spots and damage a The bearing is pressed into the breaker to remove t...

Страница 30: ...cover from breaker left hand threads b Unscrew auger stud from top of auger c Unscrew 4 allen head cap screws holding breaker to evaporator d Lift up on breaker to remove from auger If the auger is s...

Страница 31: ...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 of food gr...

Страница 32: ...e sure that the number of shims indicated on the gear case cover 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 evaporato...

Страница 33: ...holding the gearmotor to the gearmotor plate 3 Remove the gearmotor from the icemaker To Inspect the gearmotor A Remove the cap screws holding the gearmotor case halves together and pry the two cases...

Страница 34: ...otsman requires that any refrigerant placed into a Scotsman ice machine meet ARI spec 700 88 Reclaim programs are available through most refrigerant wholesalers Use conservation minded service procedu...

Страница 35: ...ection shows that the water level in the reservoir is above the top of the water level sensor OR the BIN EMPTY indicator is off while inspection shows that the ice level sensors are properly aligned c...

Страница 36: ...rcuit board should go ON If the Bin Empty light is ON wait 10 20 seconds for the machine to start if the machine starts replace the ice level sensors If the Bin Empty light does not come ON the circui...

Страница 37: ...ght 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 circ...

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