Service Manual/Parts List Modular Cubed Ice Maker, Series 900
Contents
1. RD uM Ww C onl pm ony RD RO RD RO RD Condensor tor iS witch 400 Automatic Reset an Mo High Pressure Control RD only Water Hot Gas Dump Supply Solenoid am WH only BK BR OR OR Condensor OR qemen 0 BL Sensors Ice Thickness Water erum DK OUTER d Pump 4 48 Optional Suction BR Remote Box To stacked Unit Control DC2 if required 8220062 gere pale X i Horn Light Quiet ese Switch Switch DC4 WH ndn TEE Har vest amp n Z Bin Switch i DCI BR oe BL 208 230 UOLTS 60 HZ AC amp WC 900 MH The solid state control 24 1 VS the start of Aag the vater pump until the evaporator temperature reaches 20 F Uhite and black connector blocks are VMI FO RITA TL KEYED and HUST be inserted correct yu on circuit board DM Morir USE FORGE PART NO 41280 16 ARTWORK HO 50565 REU E BK BK 3 5 Power Relay Outlet Box 3 BL Compressor 1 2 LaL Field Wiring A ted ip 5 4 a t Class 11 Transformer CS 120 Remote 430 Manual Reset Condensor High Pressure Control EE 4158 Pressure Sensor RO Water Dump Solenoid OR2. H P COMPRESSOR MODEL CRD 0200 PFV CONDENSER we we e Air water or remote REFRIGERANT CHARGE air cooled 70 oz R 502 water cooled 43 oz R 502 remote 270 oz 8 2 REFRIGERANT CONTROL Pa I TXV SUPERHEAT SETTING 6 INLET WATER SUPPLY 3 8 SAE male flare VUL TTAGE us X owe ou wom ue cce ee 208 230 60 1 TOTAL AMP DRAW 13 8 amps CRANKCASE PRESSURE REGULATOR SETTING 50 PSI Max 3 INSTALLATION INSTRUCTIONS UNPACKING Uncrate machine and or bin by removing the staples from around the bottom of cardboard crate and lift off 2 Remove bolts fastening the crate skid to the bottom of the unit If auxiliary legs have been purchased for the bin they should be installed at this time LEVELING If legs are used adjust the leveling legs of the storage bin until the unit is level and all four 4 legs are in solid contact with the floor Leveling is very important to obtain proper draining and to maintain the proper level in the water pan of the ice cuber NOTE If the bin is to be installed flush to the floor the machine must be sealed to the floor with an approved mastic such as Sears 3803 0 Caulk Dow R T V 101 102 or G 731 732 This 15 an N S F requirement and is the responsibility of the installer UNIT LO
3. Sensors Ice Thicknes ecu BK SEE ttr p Suctio Optional gt BR Remote Alarm Box DC2 it required 80C 2 Rev E Vai 3 p Horn Light Quiet m 4 gt Reset Switch Switch idi Harvest amp A Bin Switch aac BR e 208 230 UOLTS 60 HZ 3 PHRSE RC 900 MH 0 The solid state control 222 5 the start of AREA the vater pump until the evaporotor temperature reaches 20 White ond black connector blocks are ADIPE I KEYED and MUST be inserted correc tl y on circuit board nire PART HO 41281 ARTWORK NO 4 17 REU F 5 1 1 7 1 6 AND CLEANING PROCEDURE l Remove front panel to gain access to the switch 2 Push switch to clean and allow the ice on the evaporator to release or melt away 3 Remove all ice from storage bin 4 Mix a sanitizing solution of 1 4 oz Calgon Ice Machine Sanitizer to one gallon of water Using a non metallic bristle brush scrub the following a Inside surfaces of ice bin including top and door b Inside surfaces of the icemaker to include evaporator section in the ice machine including the top front panel and evaporator splash curtain Make sure splash curtain is correctly positioned 5 Add 2 oz of Calgon Nickel Safe Ice Machine Cleaner directly into water reservoir CEES for approximately 45 minutes 6 Remove cap from reservoir drain and allow c
4. _ too warm when the evaporator temperature gets low enough to start the harvest cycle Hold water curtain open anytime after unit goes into harvest Machine should shut down within approximately 8 seconds on 2 full bin Push defrost button TN cine freeze cycle and unit should go into harvest 1 indicates a harvest cycle no problems A 0 indicates that the unit 15 18 the freeze ade and there are no problems PLEASE NOTE In rare cases a O can be displayed on the control board and the compressor not running in water cooled and remote air cooled machines If this occurs the manual reset high pressure control will be open and must be reset for proper operation The control is located in the upper rear right corner of the compressor compartment After reset check out the machine for the possible causes of the problem 22 To check 6 To check 44 To check 2 To check 1 To check 0 TROUBLESHOOTING THE S ENS ORS Turn off power to machine Remove the front panel and electrical box cover of the machine Cut the suspected sensor wire at least six inches tron the thermowel in which it is located P Remove the sensor from the thermowell Carefully separate the wires and strip the insulation off the end Pack a glass or container with ice and add some water to make an 7 ice water solution Check the temperature of the ice water Nn an accurate thermometer Ice water must be 329 Es
5. WC 900 MH The solid state control DELAYS the start of NOTE the water pump until the evaporator temperature reaches 20 D White and black connector blocks are IMPORTANT KEYED and MUST be inserted correctly on circuit board DO NOT USE FORCE PART NO 40564 ARTWORK 50539 14 REV H d Compressor Compressor Compressor Run Start Power Capacitor Capacitor Relay D RD LS cae H 2 E ROTTS i BK RD Cooling Fan RD Motor Unit RD S witch OR CLEAN T OFF i BR Pump rd CS 120 Remote Condensor zu S Manual Reset gt Solenoid OR ORJ p gn WH L i ressure Control OR Water 2 Dump Sensors Switch 5 WH Ice Thickness d pem 5 Suction Option a T BRE Remote Woter i Alarm Box DG if required 4 sb Plant Quiet ese witc Switch 004 eee GY Ba Swin 208 230 VOLTS 60HZ RC 900 MH NOTE The solid state control DELAYS the start of the water pump until the evaporator temperature reaches 20 F T White and black connector blocks are IMPORTANT KEYED and MUST be inserted correctly on circuit board DO NOT USE FORCE PART NO 40565 ARTWORK 50540 zs REV I Power Relag Outlet Box B IH HI BL Compressor I A RO E Da RD OPT BK BK RO BK RO Cooling Fan RO OR Motor 00 BK 3 Unit CLERN OFF RO
6. enough for the correct amount of ice to be on the evaporator the decimal point will begin to flash and stay flashing for approximately 20 seconds If evaporator stays below the set point the harvest cycle will start A number 1 on the digit display will indicate that the machine is in its harvest cycle with the hot gas valve open The water pump continues to operate and the water dump solenoid valve is now open The water pump shuts off approximately 15 seconds later after the water reservoir is pumped out PLEASE NOTE During the freeze cycle in low ambient condition the condenser fan motor will be cycled on and off through the condenser sensor and solid state control board The fan cycling pressures in relation to the temperatures sensed will be 1808 for cut out and 2308 for cut in of the fan motor ADJUSTMENT FOR ICE BRIDGE THICKNESS An ice bridge connecting all cubes is necessary for a proper harvest or discharge of cubes from the evaporator To increase ice bridge thickness carefully turn adjustment screw counter clockwise no more than one turn at a time Wait and check thickness before re adjusting INCREASE CIRCUIT 0 12 ND CHECK OUT 8 1 1 5 1 FOR HARVEST BIN SWITCHES DCE OF CURTAIN EOGE 1 EVAPORATOR SWITCH MAGNE EVAPORATOR CURTAIN PROXIMITY A SWITCH BOTTOM EOGE E VAPORATO CURTAIN WATE
7. The frequency of cleaning will be determined by surrounding condition good maintenance plan calls for an inspection at least every two months Remove the lower front panel of the machine With a vacuum cleaner remove all accumulated dust and lint that has adhered to the finned condenser CAUTION CONDENSER COOLING FINS ARE SHARP USE CARE WHEN CLEANING 1 If the condenser is being cleaned from the back of the machine remove all accumulated dust dirt etc that has adhered to finned surface with a vacuum cleaner 2 If the unit is being cleaned from the front remove lower panel turn the power switch off and blow through the finned surface of the condenser past the fan blade to remove accumulated dust etc 20 STATUS INDICATOR POSSIBLE CAUSE If 2 is shown but bin isn t full check for individual cube holding curtain open Harvest Bin switch not adjusted properly Defective TXV Defective power relay won t close Defective start relay won t start no start Defective C P R valve Low voltage to compressor Defective sensor brown wire SENSOR NOT INSULATED PROPERLY Defective fan motor or blade Gross overcharge Extremely high ambient temperature above 120 F Defective sensor orange wire Normal time delay 6 minutes Normal time delay of approximately 20 seconds before harvest cycle begins WAIT 10 SECONDS PUSH TO ON Tow on refrigerant Compressor
8. board over the plastic stand off supports 2 Carefully push downward at all hole locations until board seats on all the stand off supports Sometimes a snap will be heard as this seating takes pase j 3 After the circuit board is seated caretully connect the three plugs to the circuit board Note Plug connects are PO make sure the plug is inserted 24 PART NO SERIES 161079003 900 37356 40285 40713 40284 27765 37439 26275 20654 21214 23988 40569 39899 39898 40586 39897 38703 39144 26269 38703 40712 38790 45681 41448 21924 45922 45680 987 43412 29784 45905 22279 43056 45907 43530 8823 1211 38743 42781 43446 41275 37351 39 64 4 27173 27171 27176 27186 38057 23683 40602 39358 38703 42680 41464 45866 PARTS LIST DESCRIPTION Control circuit board Switch on off clean Relay compressor start Relay power contactor Capacitor compressor start Capacitor OES run Drier Valve crankcase pressure regulating Valve Schrader Schrader valve Cap Schrader valve Compressor Core Motor condenser fan Blade condenser fan Shroud condenser Condenser Sensor condenser FTN Pump water Valve thermostatic expansion Sensor suction line temp float and valve Valve hot gas Tube water pan to pump inlet reservoir drain Reservoir Float and valve Bracket Cap Hose Tee Hose Orifice rest
9. CATION 1 Allow at least a minimum of six 6 inches at the rear and side of the ice machine for proper air circulation 4 This unit has been designed to be installed in an indoor location which is clean and which can be adequately ventilated the air and water temperatures should never exceed 100 degrees nor fall below 50 degrees Temperatures above 100 degrees will cut the ice making capacity below an economical level temperatures below 50 degrees will cause a malfunction of thermostatic sensors 3 The unit should be located where air circulation is not restricted The unit should not be located near a Kitchen grill Air which contains grease vapors will deposit grease on the condenser The condenser should always be kept clean UNIT SET UP l Take off front panel of machine and remove hardware bag or service manual envelope with the water strainer enclosed 2 Mount the ice maker to the top of the ice storage bin or adapter in the proper position over the ice drop opening The ice maker must then be sealed both on the outside and the inside bottom edges with an approved N S F mastic such as Dow Silastic 732 734 or General Electric RTV 101 102 This is an N S F requirement and the responsibility of the installer 3 Remove shipping tape from evaporator curtains 0 INSTALLATION INSTRUCTIONS CONT D MEX IG ECC RC E REMOTE CONDENSERS Remote condensers should be installed abov
10. Ged Service Manual SERIES 900 MODULAR CUBED ICE MAKER E on Lor 51805 WN e o a 9 oe n E RN e e 0 4 e 4 4 1 6 gt 4 4 4 4 4 e s 9 n e e e gt o o o o e e e B a RN 49 4d E a oe LLL gt e o e gg 9 9 o Gg e 9 gt 9 9 o t 9 gt e 9 e gt e o e o 9 4 9 e n GG G 6 e 4 4 e 4 4 OF CONTENTS 4 p 2 Qt TU 9 ol ELECTRICAL CIRCUIT SEQUENCE OF OPERATION ADJUSTMENT FOR ICE BRIDGE THICKNESS s TET ADJUSTMENT AND CHECK OUT FOR OPTICAL HARVEST BIN SENSOR WIRING AND SCHEMATIC DIAGRAMS SANITIZING AND CLEANING PROCEDURE E WATER TREATMENT WINTER STORAGE CLEANING THE CONDENSER non SERVICE ANA
11. Insert the sensor into the ice water and soak for minimum LE two minutes With a zerod ohmmeter measure the resistance across the two wires of the sensor lead It should read 2815 ohms or 10 281 ohms NOTE If the above ohm reading is not within the range stated the sensor is bad and should be replaced CONNECTION OF A GOOD OR REPLACEMENT SENSOR AFTER TR U B L E SH 0 OT N G Carefully separate the wires zu cr Sade a the solid state control and strip the insulation off the end of each wire Reconnect the sensor leads and twist the stripped ends tightly Secure with the proper sized wire nuts Tape all the wire nut connections to insulate connections from each other 23 REMOVAL OF SOLID STATE CONTROL FROM MACHINE 3 2 CAUTION THE CIRCUIT BOARD IS FRAGILE HANDLE WITH CARE 1 Turn off power to machine Remove front panel Remove electrical box left front cover Disconnect the through wire plug connections from circuit board on Carefully lift any corner of the circuit board while pinching closed the top part of the plastic stand off support with needle nose pliers The circuit board has to be gradually worked up over all five of the stand off supports The circuit board will not pop off until all Supports have been pinched closed and the board is men holding them in that position REINSTALLATION OF SOLID STATE CONTROL 1 Align all holes in the circuit
12. LLOWING INSTALL PROCEDURE After the bottom unit of the stack has been positioned on the bin the sealing gasket supplied with second unit must be cemented to the base Nearly any adhesive can be used however it should not be water soluble This is an N S F requirement and the responsibility of the installer Remove the top and front panels from both units Mount the unit on top of the bottom one of the stack 1t is not recommended to stack more than one unit Remove evaporator curtain cover N A Put the ice slide diverter through the top unit evaporator section and hook over the front edge of the top unit water reservoir Secure ice slide diverter to the back wall of the lower unit with a provided screw Insert the retainer shield from the front of the lower unit evaporator section and align th holes to the diverter and support bracket and secure with the screws provided Remove electrical box covers from both unit Remove lowest grommet from the left side of each electrical box Insert the interface cable through each hole and insert into the split grommets Note the cable will fall across the front of both machines with the front covering the cable Reinstall grommets into electrical box Plug the interface cable end into the open middle left socket on each solid state board being careful to make sure of a good connection Replace electrical box covers Plug the weld nut hole found to the right of the compressor with
13. LYSIS INSTRUCTIONS FOR REMOVAL AND RE INSTALLATION OF SOLID STATE CONTROL PARTS LIST INTRODUCTION We have strived to produce a quality product The design has been kept simple thus insuring trouble free operation This manual has been prepared to assist servicemen and users with information concerning installation construction and maintenance of the ice making equipment The problems of the serviceman and user have been given special attention in the development and engineering of our icemakers If you encounter a problem which is not covered in this manual please feel free to write or call We will be happy to assist you in any way we can When writing please state the model and serial number of the machine Address all correspondence to A Product of IMI Cornelius Americas Inc 2421 15th St S W P O Box 1527 Mason City IA 50401 Phone 515 424 6150 1 800 383 0385 FAX 515 424 4305 Specifications SERIES 900 BACH Vitw 601104 VIEW Commercial Cube Ice Machine Ice Production Capacity approximate Model Number Ambient Condenser Temp F 50 AC 900 SS MH 709 Air Cooled WC 900 SS MH Water Cooled 80 665 610 545 N o o RC 900 SS MH Remote Air Note Remote unit designed for use with 602 528 502 CS 120 remote condenser A A aq COMPRESSOR ELECTRICAL RATING
14. R i RESERVOIR E RESERVOIR BENT EDGE 0 0 0 r M 3 P 3 te e 5 eA us 7 i CHECKOUT PROCEUDRE gt Turn on the ice machine and move the evaporator curtain s away from the evaporator s The ice machine should then shutoff in approximitly 8 seconds See detail A amp B BEEN Slowly let the evaporator curtain s move back toward the evaporator s until the bottom edge of the curtain s is at least at the bent edge of the water reservoir or closer to the evaporator With the curtain s at that position the machineshould start See detail C 5 lf adjustment is nec Ssary loosen acorn nutsand move proximity switch closer to the curtain s and make sure the curtain is properly mounted See detail A gt Wu Pe SPI Chee Re check per above proceedure 13 RD Outlet Box Power Relay Compressor Compressor XY Run Start 3 acm oO RD mme BK BK Ri BK 35 QD BK Compressor 5 Unit RD Start Relay Switch CLEAN RD OFF o Manual Reset Condensor RO ON T igh Te Fan Motor A mmm ressu n ii A C only K Water Dump 5 BR ae Sole noid Pump W Conly Cord Water Pump BL GY Optional 4 Remote To stacked Unit Dc Control Alarm 4 DC2 ifrequired perar orn Light Reset Switch d 0C4 Switch Harvest amp Bin Switch RD IE 7 m 208 230 VOLTS 60 HZ AC amp
15. RTV sealant Remove the screws from both sides of both units and insert the tie straps Reinstall screws When reinstalling the front panels take care in the positioning of the interface cable 1 12 13 14 15 16 17 SHIELD SEALANT RETAINER FILL SEAL HOLE WITH RTV SCREWS MOUNTING GROMMETS STACKING KIT ILLUSTRATION INTERFACING CABLE ICE SLIDE DIVERTER LAAN AS WT AS AFAYAYAVAYAY 10 REFRIGERANT CIRCUIT REMOTE CONDENSER UNITS EXPANSION CHECK VALVE VALVE 1 EVAPORATOR Ul COMPRESSOR ACCUM LINE VALVES REMOTE CONDENSER 11 ELECTRICAL CIRCUIT SEQUENCE OF OPERATION irem Ap pri i HH Ru pr An L E D digit display mounted on the solid state control board will show Status number 0 1 2 4 amp 6 and a decimal point to indicate what is happening in the operation of the unit The electrical sequence of operation you will see on the digit display for a normal ice making cycle will be as follows The status number 0 will be shown telling you the unit is making ice The solid state control DELAYS the start of the water pump until the evaporator temperatures reaches 20 F Approximately six minutes after the start up in the freeze cycle a decimal point will appear to the lower right of the 0 to tell you that the evaporator sensor has been switched on After the evaporator temperature has pulled down 10
16. defective or inefficient Dirty condenser 8 ee Unit is in freeze cycle making ice no Unit is in harvest cycle ice should drop shortly no problems Indicates a full bin condition unit off water curtain being held open with ice Unit OFF due s suction line not pulling down to at least 40 F Manual reset required Unit is OFF due to condenser temperature climbing too high Manual reset required Indicates that all sensors except condenser are switched off for first six minutes of freeze cycle Indicates that evaporator and suction line Sensors have Switched Indicates evaporator temperature has pulled down and unit will go into harvest after time delay OR PUSH RESET BUTTON Not applicable to Water Cooled units Not applicable to Remote units 21 STATUS Decimal Point OFF Decimal Point ON Decimal Point FLASHING FOR MANUAL RESET PUSH MASTER SWITCH TO OFF TROUBLE SHOOTING THE SOLID STATE CONTROL BOARD To determine if the circuit board and sensors are functioning correctly under all operating parameters the adverse conditions must he poten ates to check out the digital display status Block condenser fan blade on start up Condenser should get hot within two minutes and shut unit off on 6 condenser too hot Remove suction line sensor from thermowe1 1 anytime during freeze cycle Machine should shut off on 4 suction line
17. e machine NOTE If the water pressure exceeds 50 pounds a water pressure gt regulator should be installed in the water inlet line between the water shut off valve and the strainer Install a reducer fitting on the shut off valve to accomodate the water strainer which is supplied with each ice machine and MUST be used Install the water strainer with the arrow in the proper direction of flow and with the clean out plug down This is very important for cleaning Connect either 3 8 or 1 2 copper tubing between the water inlet fitting of the ice machine and the water strainer For water cooled units two water inlet connections are provided one for the ice making evaporator section which is located on the back of the machine and is a 3 8 flared connection The other is for the water cooled condenser The reason for the separate water inlet connections is that some installations use a water tower for cooling the water used in the water cooled condenser and some installations use treatew water filtered for the ice making inlet water connection Be sure to install water line incoming to the 3 8 male flare connection on the back of the unit that supplies water to the water regulating valve inside The setting of the water regulating valve from the factory should be 120 pounds for R 12 units and 250 pounds for R 502 units NOTE Always flush out water lines before starting unit Adjustments if necessary should be done at i
18. e the ice machine and in a level configuration They are connected to the ice making unit by copper tubing and line valves The female half of the line valve is mounted on the ice making unit and the remote condenser The male half is soldered on the tube ends when tubing kits are provided with the machine If tubing kits are not provided the male half of the line valves will be provided in a valve kit and the installer will mount them on the tubing he provides 1 NOTE WHEN VERTICAL LINES ARE INVOLVED IN THE INSTALLATION FOLLOW STANDARD REFRIGERATION PRACTICES FOR VERTICAL LINES 0 ASSURE POSITIVE OIL RETURN TO THE COMPRESSOR VERTICAL LIFT TO BE NO MORE THAN 15 FEET 2 NOTE ME DO NOT RECOMMEND TUBING RUNS OF MORE THAN 40 FEET 3 NOTE THE SEALS FOR THE LINE VALVES WILL BE FOUND IN AN ENVELOPE ON THE REMOTE CONDENSER SURE THEY ARE USED 4 NOTE REMOVE CAP PLUGS FROM ALL LINE VALVES BEFORE MAKING VALVE CONNECTIONS WITH THE SEAL S NOTE A LOW VOLTAGE ELECTRICAL CONTROL CIRCUIT MUST BE FIELD WIRED BETWEEN THE ICE MACHINE AND THE REMOTE CONDENSER RELAY THOSE WIRES SHOULD BE RUN WITH THE TUBING DURING INSTALLATION REFER TO WIRING DIAGRAMS 6 WHEN THE LINE VALVES ARE CONNECTED TO EACH OTHER THE REFRIGERANT CIRCUIT IS COMPLETE EACH VALVE HALF HAS ITS OWN SHUT OFF WHICH MUST BE FULLY OPENED TO ALLOW THE REFRIGERANT TO FLOW THROUGH THE SYSTEM BEFORE IT 03 IS STARTED The ice making unit utilizing a remote co
19. erate properly when water supply temperature is below 50 F or above 100 F Water supply pressure must not exceed 50 PSI INSTALLATION INSTRUCTIONS CONT D STARTING THE UNIT After the ice cuber has been unpacked and leveled and all plumbing and electrical connections have been made start the unit and check for proper operation A cuber has three separate circuits The water circuit The refrigerant circuit The electrical circuit Start checking the water circuit by making sure that there are no thread or flare joint leaks either outside the unit or in the compressor Next check the water flow over the evaporator and make sure that all holes in the water distributor are open and that there is no undue splash or loss of water into the ice bin Also check to see df the float valve is functioning properly iid the correct water level 15 being maintained Re adjust if necessary Check the refrigerant circuit by making sure that the condenser fan is running This will be evident by air noise Is the compressor running Feel the casing for vibration Is the evaporator getting cold Check bin harvest switch operation See proceedure in manual Cy l STACKING KIT INSTALLATION INSTRUCTIONS 5 857 screw 8 32 x 3 8 2 39449 tie strap 39450 ice slide diverter 1 39454 retainer shield assembly 39379 interface cable PLEASE SEE ILLUSTRATIONS FOR REFERENCE FOR THE FO
20. leaner to drain away Replace cap 7 Fill reservoir with clean fresh water circulate for approximately 1 minute Remove cap from reservoir drain and allow water to drain away times 8 Flush all waste TN T from ice storage bin with clean fresh water 9 Push switch from clean to on position 10 Replace front panel Adjust here Water level Support web Float assembly Reservoir drain cap 18 WATER TREATMENT Automatic ice making machines can quit working for any number of reasons mechanical electrical or faulty refrigeration but water problems foul them up faster than almost anything else While ice machines vary in design you can apply these water treatment tips to all of them START WITH THE MATER The mineral content of water varies in different areas and as the chart shows high hardness and alkalinity counts combine to form insoluble calcium carbonate or lime scale If this condition is constant the intake water must be treated to prevent scale formation in the ce machine PREVENT LIME SCALE FORMATION recommend the installation of a Calgon Microment Feeder on the incoming water line No X 8B Feeder is recommended for ice machines with a capacity of 400 450 5 per day Fill the feeder with 6R Micromet the slowly soluble poly p which lasts Six months before renewing the 8 02 charge Constant treatment with 6R Micromet n control lime cue and
21. ndenser is shipped from the factory with the receiver holding the refrigerant charge Additional refrigerant may be required upon installation depending upon the ambient conditions the remote condenser is operating under the condenser and line sizing A three way head pressure control valve is used to maintain a relatively consistent head pressure between 180 and 200 PSI for R 502 in the receiver in cold ambient conditions to insure a good harvesting or defrosting of the ice Slabs on the evaporator Because of this valve some liquid refrigerant will be held in the condenser NOTE THE HEAD PRESSURE CONTROL VALVE WILL NOT OPERATE CORRECTLY WHEN A TOTAL PRESSURE DROP OF 14 POUNDS OR MORE IS CREATED BETWEEN THE ICE MAKING UNIT THROUGH THE TUBING TO THE REMOTE CONDENSER THE CONDENSER AND THE RETURN TUBING TO THE ICE MAKING UNIT The remote condenser requires a separate power supply from the ice making unit Refer to the remote condenser wiring diagram 5 INSTALLATION INSTRUCTIONS CONT D TRU eM MAKE ELECTRICAL POWER SUPPLY CONNECTION Requirements 208 230 60hz 1 ph 220V 50 2 1 ph when used REFER TO SERIAL PLATE FOR MINIMUM CIRCUIT AMPACITY AND MAXIMUM TIME DELAY FUSE SIZE ALL WIRING MUST CONFORM 10 NATIONAL AND LOCAL ELECTRICAL CODES MAKE MAKE PLUMBING CONNECTIONS Water supply Install per local codes The water inlet connection to the unit is a 3 8 flare male CONES located at the rear of the ic
22. nstallation DRAINS Provide a suitable trapped open drain as close as possible to the area where the ice maker is going to be installed This may be an existing floor or a 1 1 4 trapped open drain Two separate drain lines are required for air cooled units one for the storage bin and one for the Dump Valve drain hose An additional separate drain line will be required for water cooled units from the outlet of the condenser coil to the drain gravity drain lines with a good fall to the open drain ALL PLUMBING MUST BE INSTALLEO IN ACCORDANCE WITH LOCAL CODES NOTE IN SOME CASES IT MAY BE NECESSARY TO INSULATE THE WATER SUPPLY LINE AND DRAIN LINE CONDENSATE DRIPPING TO THE FLOOR CAN CAUSE SERIOUS STAINING OF CARPETS OR INSTALLATIOQN INSTRUCTIONS CONT D DRAIN CONNECTION INSTALLATION INSTRUCTIONS Dump Valve drain hose Taking care not to kink or collapse vinyl tubing at any point route tubes to any open trapped or vented floor drain Rm tubing to drain separately Do not tee any drain hoses together Add drain tubing required to reach floor drain Bin E ADJUSTMENT OF WATER LEVEL IN RESERVOIR With the water supply turned ON and the power supply OFF adjust float to maintain water 167612 below the support web insidereservoir See Illustration Below Adjust here Support web Water level Float assembly WARNING Ice Maker will not op
23. prevent minerals from sticking to the freezing surfaces in ice machines Result smooth movement of ice slabs good harvest of ice cubes efficient automatic production REMOVE OBJECTIONABLE TASTE OR ODOR If the bad taste or odor is traceable to the water source install a Calgon Fine Carbon Filter to the incoming water line The No 1 1 2B Fine Carbon Fi ter is ideal for machines making up to 500 pounds of ice per day and wil remove bad taste odors and problems caused by chlorine in the water supply In some instances slime growths may cause odor problems and these growths can be removed by the use of liquid ice machine cleaner SERVICE REGULARLY A service program to clean the ice machine at regular intervals and check on filter and feeder charges is important In the long run it will assure adequate water treatment reduce emergency calls and aid in the trouble free performance of automatic ice making machines 19 le WINTER STORAGE 1 the unit 15 to be stored in an area where the temperature will drop below freezing it is most important that all water lines be drained to prevent them from freezing and possible rupture To blow out the water line disconnect the water supply at the cabinet inlet and use air pressure to force the water into the water reservoir pan This can then be removed from the water pan CLEANING THE CONDENSER In order to produce at full capacity the refrigeration condenser must be kept clean
24. rictor Evaporator End cap Distributor water Curtain evaporator Bracket front curtain mount Condenser coil water cooled Valve water regulating back cover mount Bracket Valve water dump solenoid Switch harvest bin proximity Valve check Control valve head pressure line valve Accumulator Receiver Control high pressure sensor Valve line female Valve Seal Transformer 24 volt 229 Heater crankcase Control high pressure manual reset amp remote only Sensor evaporator Switch reset Splash guard Swich dump valve ILLUSTRATED PARTS B REAKDOWNM REMOTE CONDENSER ILLUSTRATED PARTS BREAKDOWN Description Clip retainer Blade condenser fan Motor condenser fan Relay Line valve male connection 5 8 tube Line valve female connection 5 8 tube Bracket fan motor mounting Bracket mounting Shroud condenser Condenser Seal line valve for 27171 27 Part no 35832 27183 27185 27181 27171 27173 28627 27384 27150 35769 27176 Illus N O A
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