DC33 - Scotsman Ice Systems
Contents
1. Inlet Water Valve Outlet Check the screen of the valve it may be clogged and is restricting the flow of water into the machine If that is the problem clean the screen and reverse the steps so far to reassemble 7 Loosen the screws in the back of the control box and remove the inlet water valve 8 Remove the discharge hose from the outlet of the water valve 9 Unplug the wire harness from the top of the valve 10 Replace with a new valve and reverse the above steps to reassemble July 1994 Page 21 DC33 REPAIR WARNING Electrical Shock Hazard Disconnect Electrical Power Before Beginning 4 Removal of Parts Timer The timer may need to be replaced if it does not turn or if it turns and then stops except at the end of the harvest cycle the timer will ALWAYS stop at the end of the harvest cycle or if the microswitch mounted to it does not switch the machine from the freeze to the harvest and back again Caution The timer is controlled by the cube size control and will not turn if the cube size control does not work 1 Unplug or disconnect the electrical power to the ice machine 2 Remove the kickplate 3 Remove the control box cover 4 Remove the screws holding the timer to the control box 5 Disconnect the wires at the timer microswitch 6 Disconnect the wires from the timer motor at the terminal board 7 Remove the timer from the ice machine 8 Re2. Water Filter Recommended July 1994 Page7 DC33 TO INSTALL Plumbing Built In Pump Model 1 Place ice machine in front of installed location Adjust leg levelers to approximately correct position 2 Remove kickplate and control box cover 3 Route water inlet line from wall through ice machine to the front 4 Locate coil of plastic tubing shipped in ice storage bin 5 Connect tubing to discharge port of drain pump and route drain line from back of cabinet to drain connection point Note Usually an air gap is required by local codes between the ice machine drain tube and the drain receptacle 6 If electrical outlet for ice machine is behind the cabinet plug in the ice machine now 7 Push ice machine into installed position 8 Cut off water inlet line at required length Air Gap Device Where aian a E Ra Drain Water Shut Off Valve Water Filter Recommended 9 Flush water line Place flare nut on inlet water line and flare the end of the copper tube 10 Attach flare nut to the male flare on the inlet water valve 11 Turn on the water supply and make sure that the ice machine is plugged in and the power is on 12 Pour a couple of quarts of water into the storage bin the drain pump should start and pump water out Check for leaks 13 Replace kickplate and control box cover 14 Level the cabinet left to right ALL PLUMBING MUST MEET LOCAL CODES THE DC33 WILL F
3. Timer The amount of harvest time may be adjusted It is preset from the factory at about 3 minutes which should be adequate to release all cubes and fill the reservoir If the timer needs to be adjusted 1 Unplug or disconnect the electrical power AWARNING Electrical Shock Hazard Disconnect Electrical Power Before Beginning Removal of Parts L 2 Remove the kickplate 3 Remove the control box cover 4 Locate the timer and loosen the set screw that holds the two halves of the timer cam together Timer Set Screw ADJUSTMENT OF THE TIMER 5 Rotate one half of the cam to open or close the lower portion of the cam More of an opening equals more harvest time and less of an opening means less harvest time 6 Tighten the set screw 7 Replace the control box cover and kickplate 8 Reconnect the electrical power July 1994 Page 18 SERVICE DIAGNOSIS DC33 PROBLEM The machine does not operate POSSIBLE CAUSE The machine is unplugged PROBABLE CORRECTION Plug the machine in Breaker tripped or fuse is blown Reset breaker replace fuse if it happens again call for service to check for a short circuit in the machine Ice machine control turned to OFF Turn ice machine control to ON Bin thermostat open keeping machine off Ice on sensor tube its then normal for the machine to be off Ice machine in a room below 50 degrees room needs to
4. Reservoir Ny for reference Pump Discharge 4 Carefully pull machine out from its installed location to expose the back panel Drain From 5 Remove the back panel Reservoir Eo d C Return 6 Disconnect wires from the top of the pump motor Back View of Reservoir 7 Remove two screws holding pump to bin and remove the pump from the ice machine 8 Reverse the above steps to re assemble July 1994 Page 24
5. 1 Remove single screw and the left hand hinge filler plate from the top of the door 2 Remove two screws from the top of the door and lift off the door handle 3 Open the door slightly about one third or so then remove the front screw holding the hinge to the door 4 Loosen the rear screw of the hinge just enough to allow the door to sag or move forward This will allow access to the top of the channels at the right and left edges of the door 5 From the top of the door insert the decorator panel pre cut evenly into the channels carefully slide the panel all the way down until the panel is fully into the bottom channel 6 Check that the panel is the in all the way and does not protrude past the top edge of the door 7 Push the top hinge corner of the door IN to align screw hole in the hinge with the screw hole in the door Install the screw previously removed Tighten the other screw 8 Replace the door handle and filler plate secure with screws previously removed Custom Panel Thin Panel Shown With Filler Hinge Filler Plate July 1994 Page 10 Note These Two Kits Are Currently Available to Change Panel Color TP33 contains 2 sandalwood panels WP33 contains 2 white panels Parts Involved in Customizing Door Panel Hinge Door With l we Groove Door Handle DC33 AFTER INSTALLATION Reversing Door Swing The hinged side of the door may be reversed to the other side i
6. CES ESE A TS SONIGEIDIAGNOSIS e was Wow Gr ge ee Z Got ok Se Gow oye wh eS eee S a 2 Repair UIA a an St ny we aha ol fog cds chile D a E sidney AIE abide ke 6 Hell Inlet Water Valier x a a KR 8 dkms fa ner wine a ree a ott a eka eee Ag eT TIME lt aa KR a NE E Ee I WT NI BE RO Roig ROR oe a AR Cube SizeControl lt 7 8 Bin Thermostat sea ss ee Be ee es S Water Pump 24 Parts lists and wiring diagrams are located in the center of the manual printed on yellow paper This manual was printed on July 1994 ecycled paper Page 1 a pap DC33 TECHNICAL INFORMATION Scotsman Ice Systems are designed and manufactured with the highest regard for safety and performance They meet or exceed the standards of U L and C S A Scotsman assumes no liability or responsibility of any kind for products manufactured by Scotsman that have been altered in any way including the use of any parts and or other components not specifically approved by Scotsman Scotsman reserves the right to make design changes and or improvements at any time Specifications and designs are subject to change without notice Hee on leet reober scorsmay e Q Model Basic Maximum Compressor Drain e i Number Electrical Fuse Size HP Pump DC33A 1W 115 60 1 15amp No DC33PA 1W 115 60 1 15amp 1 Yes Add On Kits Stainless Steel Door Panel Kit is SS33 Drain Pump Kit to convert gravity drain to pump
7. be warmer for machine to operate Bin thermostat stuck open needs ito be replaced Timer contacts open Replace timer Cubes are too big Cube size control set too cold Adjust cube size control for a smaller cube Cubes are too small Cube size control set too warm Adjust cube size control for a larger cube Not enough water Check water supply filter may be restricted Check inlet water valve inlet screen may be restricted Cube size control stuck closed timer runs all the time Replace timer Cubes are partially formed have ragged sides Spray jets partially clogged Clean ice making system with ice machine cleaner Machine makes ice but bin does not fill up with ice The bin should fill up and the machine shut off in 24 36 hours If not the condenser may be dirty Clean the condenser The bin drain may be partially restricted Clean out the drain check the installation The air flow to the ice machine may be obstructed Check the installation the machine must be free of obstructions at the kick plate Cubes are partially formed are white at the bottom INot enough water in the reservoir Check water supply filter may be restricted Check inlet water valve inlet screen may be restricted Check for a water leak at the reservoir July 1994 Page 19 DC33 SERVICE DIAGNOSI
8. drain is Gool Air In A part number 12 2460 21 Serial Number Tag Location Refrigerant Charge is 5 ounces of R12 Warm Air Out zisne qa en v tr Te Siem de Screwhead Allowance cli 2 5 1 cm R33 ONLY TOP VIEW RF33 TOP VIEW DC33 asm Cioca aae bet ver Side View aos Screwhead Allowance ova Screwhead Allowance Water Inlet 1 Mogan L Copper Tubing NOTE DOORS OPEN 180 FROM RIGHT OR LEFT SIDES FF tone 0920m 02cm fes Gs R 19 483 em Sone Ra L Nie Overhead View of DC33 Gami Bed verheac iew oi 5 r and RF33 Side By Side DC33 Cabinet Views July 1994 Page 2 INSTALLATION DC33 To properly make and store ice the DC33 requires access to air potable water 115 volt electricity and adrain The machine must be installed indoors in a controlled environment Air The ice machine uses a fan to take in room air at the front of the machine through the right side of the kick plate It discharges warm air out the left side of the kick plate Anything placed in front of the kick plate will restrict air flow and cause a decrease in performance and efficiency The minimum air temperature the machine will operate in is 50 F and the maximum is 100 F Water Supply The ice machine requires a continuous supply of potable water at no less than 20 p s i g of flowing pressure Static
9. keep the machine operating properly these impurities or minerals will have to be regularly dissolved by an acid cleaning using Scotsman Ice Machine Cleaner Directions for this may be found in the section under cleaning In general it is always a good idea to filter the water A water filter if it is of the proper type can remove taste and odors as well as particles Some methods of water treatment for dissolved solids include reverse osmosis and polyphosphate feeders A reverse osmosis system should include post treatment to satisfy the R O water s aggressiveness Deionized water is not recommended Because water softeners exchange one mineral for another Scotsman does not recommend their use for ice machines Where water is very hard softened water may result in white mushy cubes that stick together Scotsman suggests that if in doubt about the water that a local point of use water specialist be contacted for recommendations on water treatment Electricity The machine is supplied with a cord and may be plugged into a wall outlet The ice machine should be the only device using that circuit The fuse or circuit breaker size should be 15 amps Drain There are two DC33 models The DC33A 1W is a gravity drain model that requires a drain tube that s pitched down from the outlet at the back of the cabinet to the connection to the sanitary sewer The DC33PA 1W has a built in drain pump that will pump wa
10. making system has been cleaned and the storage bin is empty Asanitizing solution can be made of 1 ounce of household bleach and two gallons of hot 95 Fe 115 F water Use a clean cloth and wipe the interior of the ice storage bin with the sanitizing solution pour some of the solution down the drain Allow to air dry July 1994 Page 15 How to clean the condenser The condenser is like the radiator on a car it has fins and tubes that can become clogged To clean 1 Remove the kickplate 2 Locate the condenser surface 3 Vacuum the surface removing all dust and lint Caution Do not dent the fins Condenser Surface 7 4 Replace the kickplate Winterizing 1 Clean the machine as explained on the next page 2 Turn off the water supply 3 Drain the water reservoir See page 24 Spray Pump Repair and follow the instructions to remove the pump hose step 2 bottom hose only 4 Disconnect the incoming water line at the inlet water valve Inlet Water Valve Water Line 5 Remove control box cover and turn the timer into the harvest cycle 6 With the machine operating blow air through the inlet water valve a tire pump could do the job 7 Drain pump models should have about 1 gallon of RV antifreeze propylene glycol poured into the ice storage bin drain Note Automotive antifreeze must NOT be used 8 Replace control box cover Switch off and unplug the ma
11. water pressure should not exceed 80 p s i g The minimum water temperature the machine will operate in is 40 F and the maximum is 100 F Water Quality There is no such thing as pure water all water including potable water supplied by municipalities contains some impurities Water absorbs impurities from the air as rain and or as it flows through the ground Some of the impurities are solid particles these are known as suspended solids and a fine particle filter will remove them Other impurities are chemically bonded to the water molecules and cannot be filtered out these are called dissolved solids Ice made by the DC33 will have a lower mineral content than the water it was made from Purer water will freeze first in the ice making molds The reason for this is that anything dissolved in water lowers the water s freezing temperature This concentrates most of the impurities in the ice machine water reservoir where they may form hard deposits known as scale The DC33 dilutes the concentration of minerals by over filling the reservoir during the harvest cycle with the excess water flowing down the drain About 3 quarts of water flow into the unit each cycle About 1 quart of that rinses the reservoir and goes down the drain Some impurities will inevitably remain and will stick to the parts in the machine and will cause malformed ice cubes Eventually built up mineral scale can shorten machine life To
12. DC33 INTRODUCTION The Scotsman DC33 is a restaurant type ice This service manual is intended as a resource for machine designed for home use It produces the people installing using and servicing the DC33 same high quality ice as large Scotsman Because it contains information on safety and commercial ice cube machines and stores that ice maintenance Scotsman strongly recommends that in a heavily insulated storage bin this manual be kept where it is readily available Table of Contents Page Technical liformatlan lt 5 Z 9 es se Seok Ge th eee ee nel ae ee ee ees Regen OG Installation WAB sc odora daaa E eh Ae eR a ee oe eR a Se PIUMD ING E E E te ie eld et ee ee gn Add On Kits DrainiRUMp sy A ho eg She eae bee ee as os A eo ee ve Be DOOR ISIE u Nae eae re ee we ecto Be en ty ey wee Oe oe aan wt SL HI Reverse Door Swing K E oe a ee 1 Write StartUp sa ise E E th AS AR Sih tee eae E E E EE a at i DONG gee se cs ok oo ee Se eek ee eld wi ed ee gi 19 Component Location sk ek L Maintenance amp Cleaning 2 2 ee ee ee ee ee ee 1 Winterizing a 4 a oe ee i ee ee EE Cleaning lce Making System gt lt X s o m Z ee ee eee 16 AdjustCube Size 6 5959 edict oo K caste ca st cae KE ote ee aren UE Adjust Bin lca Level ene ae ek ee ee ee ee ee AB AGUStTiIMGl 3 4 3 SES BR DEE AR ES OEE
13. IT IN A SPACE 1514 WIDE X 3334 HIGH THE DEPTH OF THE CABINET IS 22 TO THE FRONT EDGE OF THE HANDLE WATER AND DRAIN INSTALLATION Drain Tube From Back Of Machine Water Inlet Connection July 1994 Page 8 TO INSTALL Add On Kits DC33 Drain Pump Kit The DC33 is delivered either with or without a drain pump Models without a drain pump drain their water by gravity However gravity drain models may be converted to Pump models thru the installation of a Drain Pump Kit and Drain Pump Two parts are required for this conversion Drain pump kit part number A36399 020 Drain pump partnumber 12 2503 21 Specific step step instructions are included with the kit Drain Pump July 1995 Page 9 DC33 TO INSTALL Add On Kits Door Kit The door may be modified to accept a decorator door panel Customizing Door Panel Acustom door panel may be installed in front of the standard one Any panel 14 34 wide 28 1546 high and 1 4 thick or less at the edges may be used as a decorator panel Examples of decorator panels include wood to match the adjacent cabinets metal of different colors to match nearby appliances or just about any material that will fit Scotsman has a stainless steel panel available to fit this machine the kit number is SS33 If the material is less than 1 4 thick the space between the new panel and the original may be filled with cardboard
14. MPLES OF GRAVITY DRAIN TUBE INSTALLATIONS July 1994 Page 4 TO INSTALL Plumbing DC33 Free Standing Cabinet Gravity Drain Model All horizontal runs of drain lines must have a 1 4 per foot fall An air gap will likely be required between the ice machine drain tube and the drain waste receptacle A stand pipe with a trap below it would be acceptable for the drain waste receptacle A floor drain is also acceptable FOLLOW ALL LOCAL PLUMBING CODES Schematic Side View of Drain System Use Began June 1994 Reservoir Gravity Di Connect 1 2 I D Drain Hose Here Poor draining will cause a high rate of ice melting in the bin 1 Remove the kick plate 2 Route the water supply which should be a 1 4 O D copper tube through the back of the cabinet to the front 3 Install a flare nut and flare the end of the tube 4 Flush the water line and fasten the flare nut to the male flare on the inlet water valve Drain Detail Up To 735675 12Z June 1994 5 Route the drain tube from the back of the machine to the front and connect to the bin drain tube Secure with hose clamps On units built after serial number 735675 12Z June 1994 When replacing an exisiting gravity drain unit where a 5 drain line hose was used the hose must be replaced by one which is a 1 D Failure to do this may result in a loose connection and water leak Be certain that the 1 2 I D drain hose
15. S PROBLEM POSSIBLE CAUSE PROBABLE CORRECTION No ice falling in bin but machine loperates Ice may be stuck in the evaporator and the unit is frozen up Check water supply filter may be restricted Check inlet water valve screen may be restricted or valve does not operate Hot gas valve may not operate check and repair replace Harvest time set too short timer needs adjustment Too much heat load Inlet water valve leaks thru needs to be replaced INo water spray Water pump does not work replace it Water leak from reservoir locate land repair Cube size control will not close See Too much heat load or not enough refrigerant Control defective must be replaced No airflow Fan motor not turning needs to be replaced Fan blade broken needs to be replaced Condenser completely blocked up needs cleaning Not enough refrigerant Add low side access valve locate leak recover refrigerant repair replace dryer evacuate and weigh in the nameplate charge Restricted system Add low side access valve recover refrigerant replace dryer levacuate and weigh in the nameplate charge Hot gas valve leaks thru Add low side access valve recover refrigerant replace hot gas valve and dryer evacuate land weigh in the nameplate charge Compressor will not operate or pumps poorl
16. When the refrigerated surface gets cold enough the ice machines timer will begin to turn When it turns far enough it will stop the freeze cycle and begin the harvest Schematic Diagram Shown In Harvest Cycle Evaporator Harvest During the harvest cycle the compressor is still operating but the spray pump and fan motor have stopped Two other components have been energized the hot gas valve and the inlet water valve These two valves open and warm up the freezing surface allowing the cubes to fall into the bin The timer is still turning and when it gets to the end of the harvest cycle the freeze cycle will restart How does the machine use water The ice machine begins with a fixed charge of water that is contained in the reservoir As the water is sprayed against the freezing surface the part of water that does not contain mineral impurities will freeze and stick to the ice cup molds The water containing impurities falls back into the reservoir Gradually during the freezing portion of the ice making cycle the water in the reservoir will become highly concentrated with mineral impurities During the harvest cycle fresh water flows into the machine to dilute the reservoir water and to rinse the concentrated minerals down the drain Water Inlet Cube Molds Weep Hole Spray Jets Water Tube Reservoir Compresso
17. chine Note To use after winterizing reconnect pump hose and water line Repeat Initial Start Up page 12 DC33 CLEANING How to clean the ice making system 1 Open the door and turn the ice machine control knob to off ST 2 Scoop out all of the ice either discard it or save it in a ice chest or cooler 3 Pour 4 ounces of Scotsman Ice Machine Cleaner available from a local Scotsman Distributor or Dealer ask for part number 19 0343 06 an 8 ounce bottle into the ice machine reservoir Scotsman Ice Machine Cleaner contains acids These compounds may cause burns If swallowed DO NOT induce vomiting Give large amounts of water or milk Call Physician immediately In case of skin contact flush with water Keep out of the 4 Turn the ice machine control to ON 5 Allow the machine to operate for about 2 hours 6 Pour hot 95 F 1150F water into the bin to melt the ice that has formed That ice will likely be white and frosty looking 7 Clean the bin liner of mineral scale by mixing some ice machine cleaner and hot water and using that solution to scrub the scale off of the liner 8 Rinse the liner with hot water 9 Sanitize the bin interior 10 Replace the ice removed in step 2 The ice scoop should be washed regularly wash it just like any other food container July 1994 Page 16 ADJUSTMENTS DC33 There are three items that may be adjusted C
18. drain fitting at the front of the cabinet Use hose clamps to secure tubes to fittings On units built after seriaIn number 735675 12Z Schematic Side View June 1994 When replacing an exisiting gravity Began June 1994 Gravity Drai E Connect 12 1D Drain Hose Here 1 Place ice machine in front of installed location Adjust leg levelers to approximately correct position 2 Remove kickplate 3 Route water inlet line which should be a 1 4 O D copper tube from wall through ice machine to the front 4 Route drain line from wall position through ice machine to the front Note if using a long horizontal run more than 5 the drain should be vented at back of cabinet 5 If electrical outlet for ice machine is behind the cabinet plug in the ice machine now 6 Push ice machine into Drain Detail Up lt installed position To June 1994 Production of Drain System Use drain unit where a 54 drain line hose was used the hose must be replaced by one which is a 1 D Failure to do this may result in a loose connection and water leak Be certain that the 1 I D drain hose is pushed up well past the barbs on the drain fitting If needed to ease installation soak the drain hose in hot water just before connecting to the fitting 12 Turn on the water supply and check for leaks 13 Replace the kickplate ALL PLUMBING MUST MEET LOCAL CODES INSTALLATION OF WATER AND DRAIN
19. f desired The DC33 was shipped with the door hinged at the left The door and hinges are designed for placing the hinges on either the right or the left side of the cabinet Moving the hinges to the right allows the door to pivot from the right side Note There is a part packed with the machine that is required for this procedure 1 Open the door and remove the three screws holding the lower hinge to the cabinet 2 With the door open enough to see both screws at the top door hinge remove the two screws The door is now free of the cabinet 3 Remove the single screw and the hinge filler plate from the top of the door 4 Install the other filler plate shipped inside refrigerator compartment onto the top corner of the door where the hinge was 5 Remove the three plastic plugs from the top front corner where the hinge will mount 6 Remove the three plastic plugs from the lower front corner where that hinge will mount 7 Remove the three screws holding the top hinge to the cabinet Remove that hinge from the top and flipping it upside down install it onto the bottom of the door on the opposite side using the original screws 8 Remove the hinge assembly from the bottom of the door and flip it upside down secure it to the cabinet at the opposite side top position with the original screws 9 Hold the door up to the cabinet Secure the door to the top hinge with the original screws 10 Secure the bo
20. is pushed up well past the barbs on the drain fitting If needed to ease installation soak the drain hose in hot water just before connecting to the fitting 6 Route a drain line from the ice machine to the drain waste receptacle Note if using a long horizontal run more than 5 the drain should be vented at back of cabinet 7 Turn on the water supply and check for leaks 8 Replace the kick plate 9 Level the unit using the leg levelers Internal Reservoir Drain Hose Drain hose was behind the bin prior to serial number 735675 12Z Water Filter Recommended Shut Off Valve Floor Drain Water Inlet Connection Detail INSTALLATION OF WATER AND DRAIN July 1994 Page 5 DC33 TO INSTALL Plumbing Free Standing Cabinet Pump Model 1 Remove the kickplate and control box cover 2 Route the water supply which should be a 1 4 O D copper tube through the back of the cabinet to the front 3 Install a flare nut and flare the end of the tube 4 Flush the water line and fasten the flare nut to the male flare on the inlet water valve 5 Locate the coil of plastic tubing shipped in the storage bin 6 Connect the coiled tubing to the discharge port of the drain pump Air Gap Device Where Required Drain Connection Water Shut Lee Off Valve Water Filter Recommended 7 Route the discharge line from the drain pump to the drain point connection Do not connect to a drain was
21. omer Audit Report How To Use The ice machine is extremely simple to use just turn the ice machine control knob to the on position The DC33 will automatically begin to freeze ice and will continue to do so until the bin is full Use the scoop to remove ice and place the ice scoop in the holder provided do not leave the scoop on the ice as it will gradually disappear into the ice What to expect from the DC33 The DC33 will release a batch of 8 ice cubes about every 30 minutes At the same time the cubes fall into the storage bin water will be entering the ice machine and draining out Ice The ice cubes are tapered cylinders about 114 in diameter at the widest end taper down to 1 wide at the top and are 11 high When the machine is adjusted properly there should be a 1 4 indent in the base of the cube The ice will appear wet when fresh this is normal It may also develop frost on the outside and look cloudy this is also normal the frost will disappear when liquid is poured over the ice Storage All restaurant type ice machine operate on this principal The ice storage bin is not refrigerated instead it s heavily insulated much like a picnic cooler or ice chest If the ice bin were to be refrigerated the ice would freeze together into one very large cluster of ice and would begin to evaporate This would yield ice that is very poor in quality and difficult to remove from the machine The DC33 will c
22. ontinue to operate until ice builds up high enough to contact the bin thermostat sensor tube then it will shut off Models with a drain pump will occasionally pump out melt water when the machine is off The pump will only be on for a few seconds Run Time The amount of time the DC33 will run to replace melted ice is about 2 hours per day The amount of time the ice machine will run to replace ice removed is dependent upon how much is removed how clean the ice machine is and how hot the air and water supplied to the machine are An empty machine will usually take about 24 36 hours to re fill July 1994 Page 12 OPERATION DC33 How does the machine make ice There are two distinct cycles freeze and harvest 1 freeze cycle 1 harvest cycle 1 batch of 8 cubes The Freeze cycle happens when water is sprayed against the freezing surface The Harvest cycle is when the ice is released and water enters the machine A complete cycle takes about 30 minutes Freeze During the freeze cycle the compressor is pumping refrigerant the fan motor is blowing air and the water pump is circulating water As the refrigerated surface absorbs heat from the water sprayed against it that heat is moved to the area where the fan is blowing air The heat is transferred to the air and the warmed up air is discharged from the ice machine At the same time ice is forming on the refrigerated surface located at the upper back of the machine
23. r Condenser July 1994 Page 13 DC33 COMPONENT LOCATION Door Gasket Curtain Reservoir Bin Thermostat Bracket Control Box Cover Control Knob Kickplate July 1994 Page 14 MAINTENANCE AND CLEANING DC33 What shouldn t be done Never keep anything in the ice storage bin that is not ice objects like wine or beer bottles are not only unsanitary but the labels may slip off and plug up the drain Never allow the machine to operate without regular cleaning The machine will last longer if it is kept clean Regular cleaning should happen at least once per year and preferably twice Some water conditions will dictate even more frequent cleaning of the ice making section and some carpets or pets will dictate more frequent cleaning of the condenser What should be kept clean There are 5 things to keep clean 1 The outside cabinet amp door 2 The ice storage bin 3 The condenser 4 The ice making system 5 The ice scoop How to clean the cabinet Wipe off any spills on the surface of the door and handle as they occur If anything spilled on the door or gasket dries onto the surface wash with soap and warm water to remove How to clean the ice storage bin The ice storage bin should be sanitized occasionally It is usually convenient to sanitize the bin after the ice
24. te line below a trap Connect the discharge line to the drain per local codes An air gap will likely be required between the ice machine drain tube and the drain waste receptacle 8 Turn on the water and plug in the ice machine Pour in a couple quarts of water the drain pump should start Check for water leaks 9 Replace the kickplate and control box cover 10 Level the unit using the leg levelers ALL PLUMBING MUST MEET LOCAL CODES THE DC33 WILL FIT IN A SPACE 1514 WIDE X 3334 HIGH THE DEPTH OF THE CABINET IS 22 TO THE FRONT EDGE OF THE HANDLE WATER AND DRAIN INSTALLATION Drain Tube From Back Of Machine Water Inlet Connection July 1994 Page 6 TO INSTALL Plumbing DC33 Built In Gravity Drain Model The drain and inlet water tubes must be plumbed before connecting to the ice machine All horizontal runs of drain lines must have a 1 4 per foot fall An air gap will likely be required between the ice machine drain tube and the drain waste receptacle A stand pipe with a trap below it would be acceptable for the drain waste receptacle Note Poor draining will cause a high rate of ice melting in the bin 7 Cut off water inlet line at required length 8 Flush water line Place flare nut on inlet water line and flare the end of the copper tube 9 Attach flare nut to the male flare on the inlet water valve 10 Cut off the drain tube to the required length 11 Connect the drain tube to the
25. ter up to a drain point such as a nearby sink July 1994 Page 3 DC33 TO INSTALL Plumbing The water supply and drain should be roughed in and ready at the point of installation A wall outlet directly behind the ice machine will make undercounter installation easier All electrical water and drain connections must conform to local codes Installation Cautions Although the DC33 has been designed to be serviced in place in some cases it may be necessary to pull the unit out for service For that reason do not restrict access to the cabinet at the front top and bottom Install Unit Flush With Floor f A Shims If a floor is to be installed after the ice machine shims the thickness of the floor should be installed under the DC33 to keep the machine level with the floor Also allow 1 8 clearance on each side of the cabinet From Ice Machine Installations on a slab Use a pump DC33PA 1A model and pump the water to the point of drainage Pump models will pump 1 story high Installations over a crawl space or basement Either gravity drain or pump model units may be used if there is not enough room behind the machine for a drain waste receptacle the drain will have to be below the floor ALL PLUMBING MUST MEET LOCAL CODES Normal Drain Line Pitched Down From Ice Machine With Trap Causes Poor Draining Draining Is Normal To Drain Good Draining Poor Draining Good Draining EXA
26. ttom hinge to the cabinet with the original screws 11 Place the plastic plugs removed earlier into the empty holes 12 Check operation of the door by opening and closing it Hinge fel 4 L Hinge July 1994 Page 11 Door Handle Filler Plate E Magnetic Gasket L Reverse Hinges From Top to Bottom and Left to Right to Reverse Door Swing DC33 AFTER INSTALLATION OPERATION Final Check List 1 Has the machine been properly uncrated and have all packing materials and tape been removed from inside the bin 2 Have the installation instructions been followed including connecting the machine to water drain and electricity 3 Has the machine been leveled Initial Start Up 1 Remove control box cover 2 Rotate timer shaft clockwise until in the harvest position 3 Turn on water supply 4 With unit plugged in rotate ice machine control knob to the ON position Control Knob 5 Allow the unit to operate for 1 hour and check the size of the cubes if they are not correct adjust as recommended on page 17 6 After the cubes are confirmed to be the correct size replace all panels 7 Locate the nameplate on the control box cover Record the serial number and date of start up here in the service manual Keep the manual handy for future reference Serial Number Date of initial start up 8 Fill out and mail the Warranty Registration and Cust
27. ube Size Harvest Time and Bin Level Note Cube Size and Harvest Time adjustments should only be done by a qualified service person Cube size control The cube size control should only be adjusted to bring the cubes to the correct shape the overall size cannot be adjusted Try to adjust the cube SIDE VIEW OF CUBES TOO size control when the ice machine is in the harvest BIG cycle or in the first 10 minutes of the freeze cycle 1 Open the door and remove the control box cover 2 Locate the cube size adjustment screw and to make fuller cubes turn the screw clockwise about CORRECT SIZE CUBE SIZE ADJUSTMENT 1 4 turn This will make the freezing cycle longer 3 To shorten the freezing cycle and make cubes Too that are not as full turn the adjustment screw 1 4 SMALL turn counterclockwise 4 After the next freezing cycle the cubes should have responded to the adjustment if another adjustment is required do it early in the freeze cycle July 1994 Page 17 DC33 ADJUSTMENTS Bin s ice level When the ice machine shuts off the ice level in the bin should be even with the metal tube inside the bin If the ice in the bin is too high or low turn the ice machine control knob to adjust the bin thermostat 1 To lower the ice level turn the knob counterclockwise Usually a 1 8 turn will be enough 2 To increase the ice level turn the knob clockwise Usually a 1 8 turn will be enough
28. ve the control knob 6 Remove the control box cover 7 Remove the screws holding the bin thermostat to the control box Capillary Tube Bin Thermostat 8 Remove the wires attached to the bin thermostat 9 Pull the bin thermostat and capillary tube from the control box trace the capillary tube to the bin level control tube and remove the capillary tube from the tube Remove the bin thermostat from the ice machine 10 Reverse the above steps to replace July 1994 Page 23 DC33 REPAIR Spray Jets AWARNING Spray Jets are small nozzles that are under the freezing surface they spray a narrow pattern of ala Shock Hazard water at the freezing surface If plugged or Disconnect Electrical restricted poorly shaped ice cubes will form Power Before Beginning If the spray jets are removed the o rings between Removal of Parts P i the water inlet tube and the spray jet bases must be in place see illustration Spray Pump The water pump that forces the water from the reservoir through the spray jets 1 Disconnect electrical power 2 Open the bin door and locate the three hoses connected to the water pump A Loosen the hose clamps from the pump hoses B Remove the pump hoses from their connections 3 Disconnect water and drain tubes Curtain Curtain Stiffener Pump Hose Removal Spray Pump for reference Reservoir Suction Body Hose Hose Clamp O Ring b
29. verse the above steps to replace July 1994 Page 22 REPAIR DC33 AWARNING Electrical Shock Hazard Disconnect Electrical Power Before Beginning Removal of Parts L Cube Size Control The cube size control controls the timer during the freeze cycle If the timer will not start the cube size control may be the problem Removal of the cube size control requires removal of the ice storage bin 1 Unplug or disconnect the electrical power to the ice machine 2 Remove the kickplate 3 Go thru the steps to remove the ice storage bin 4 Remove screws holding cube size control body to control box 5 Remove wires connected to the cube size control 6 Carefully pull cube size control and attached capillary tube from the control box and follow the capillary tube to the top of the evaporator 7 The end of the cube size control is inserted into a socket attached to the evaporator 8 Remove the cube size control from the socket and from the ice machine CUBE SIZE CONTROL REPLACEMENT Socket Pig Tail 9 Reverse the above steps to replace 10 Adjust the cube size control per the adjustment sequence on page 16 Bin Thermostat The bin thermostat is the automatic on off control for the ice machine 1 Unplug or disconnect the electrical power to the ice machine 2 Pull the machine out from its installed location 3 Remove the back panel 4 Remove the kickplate 5 Remo
30. y Start relay or capacitor needs to be replaced Add low side access valve recover refrigerant replace compressor and dryer evacuate and weigh in the nameplate charge July 1994 Page 20 REPAIR DC33 AWARNING Electrical Shock Hazard Disconnect Electrical Power Before Beginning Removal of Parts Curtain The curtain keeps the water that sprayed by the pump from falling in the bin The sheet type curtain is replaced by 1 Removing 4 screws holding the curtain and the curtain stiffener to reservoir 2 Pulling the curtain and curtain stiffener out of the machine 3 Replace with a new curtain and install as shown Sheet Type Curtain and Curtain Stiffener MUST Be Installed As Shown Curtain Curtain Stiffener ZA Bottom urtain Edge Angle w eren to Rear Front Edge of Reservoir Inlet Water Valve The inlet water valve may need to be cleaned or replaced If there is not enough water coming into the machine the valve may need to be cleaned If the valve does not work at all or does not shut off tightly it should be replaced 1 Unplug or disconnect electrical power 2 Shut off water supply 3 Remove kickplate 4 Remove the control box cover 5 Unscrew flare nut from inlet water valve inlet If the valve is being replaced proceed to step 10 6 Unscrew brass fitting from body of inlet water valve SERVICE OF THE INLET WATER VALVE
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