CM & CI Cold Food.qxd
Contents
1. conditioning ducts make up air ducts or fans located near or over unit causing cool drafts 6 Is unit connected to proper voltage If so is there a low voltage condition Problem Protector guard lights do not work 1 Has switch located at the end of the protector guard under the canopy been turned on 2 Is the base unit turned on and the pilot light on 3 Has unit been connected to proper electrical receptacle 4 Is electric turned on at the main Check the circuit breaker and fuse 5 Has the protector guard been installed and wired according to the installation instructions on earlier pages of this manual 6 Are the light bulbs burned out DETAIL DESCRIPTION PART NUMBER A Cold Pan with Drain Less Top Consult Factory B Consult Factory Coil Tape 0337610 0829700 0331350 0189400 0832050 0291225 0810944 0810945 0271032 0111676 0054500 0054450 1501109 0271005 0271006 0811074 0254460 0241450 0031224 0831045 0270834 I lo 5 NOT SHOWN ELITE COLD ICE PAN TABLE 2 DETAIL DESCRIPTION PART NUMBER A Consult Facto B Consult Facto 0337610 0829700 0331350 0189400 0832050 0291225 0810944 0810945 0271032 0111676 0054500 0054450 1501109 0271005 0271006 0811074 0254460 0241450 0031224 0831045 0270834 0112900 0112083 0112037 0112143 0056950 Capillary Tube 0112144 NOT SHOWN ELITE COLD MECHANICALLY REFRIGERATED TABL2. 1682 0801683 040 A a 8 917193934 x w HOLINS QY3HUJAO AOZL WNOI 180 8 5 s 8 SLH9TT OVIHYIAO 110A 021 HOLIMS 8055399909 dH HOLIHS 3415534 OYOTWIAO 901 9 COLD MECHANICAL WIRING DIAGRAM 6 OPTIONAL 120V DUPLEX RECEPTACLE BREAKER WHITE OVERHEAD LIGHTS BLACK OVERHEAD SWITCH GROUND COLD ICE PAN WIRING DIAGRAM PIPER PRODUCTS INC LIMITED WARRANTY Piper products are warranted to be free of defects in material and workmanship for a period of 12 months from date of purchase on all parts and labor Piper Products Inc warrants to the original purchaser that its equipment will be free from defects in the materials and or parts for a period of 12 months from date of shipment from the factory The purchaser is responsible for having equipment properly installed operated under normal conditions with proper supervision and to perform periodic preventative maintenance Equipment failure caused by inadequate water quality improper cleaning harsh chemicals or acids are not covered under warranty The manufacturer s obligation under this warranty shall be the replacement or repair of defective parts within the warranty period Excessive labor more than 1 2 hour required to access Piper equipment built into cabi nets tables or structures by others is NOT covered under labor warranty Example Piper mul
3. E 3 gt 2 PARTS LIST CAFETERIA PROTECTOR GUARD vw 8 B END GLASS 0000719 D CAP NUT 0220725 32 UNIT 46 UNIT UNIT 74 UNIT 88 UNIT 0000701 0000702 0000703 0000704 0000705 PARTS LIST BUFFET PROTECTOR GUARD B END GLASS 0000970 D cap nur 0220725 DET 32 UNIT 46 UNIT 60 UNIT 74 UNIT 88 UNIT 0000965 0000966 0000967 0000958 0000959 PARTS LIST DOUBLE DISPLAY PROTECTOR GUARD 8 FORMED GLASS SEE CHART D SCREW 0279060 G RUBBER STOP 0033975 Der 32 467 UNIT 60 UNIT 74 UNIT 88 UNIT 8 0000955 0000953 DET DESCRIPTION PART LIGHT UNIT EE CHART GUARD SEE CHART SWITCH SINGLE SOCKET DOUBLE SOCKET 0801686 BULB 0183820 DET 24 UNIT 36 UNIT 48 UNIT 66 UNIT C 0373124 0373136 0373148 0373166 1 Assembly on 32 amp 46 units 2 Assembly 60 units 3 Assembly on 74 amp 88 units DET _A SEE CHART B 5 5 CUTTING BOARD SEE CHART SEE CHART gt D FOLDING BRACKET 0028800 E CONNECTING PIN 0725710 END CAP DET 30 UNIT 32 UNIT 46 UNIT UNIT 74 UNIT 887 UNIT 0023326 002332 0023928 0023329 0023330 0801676 7 0801572 0801673 0801674 0801575 C 0801578 0801679 0801680 0801681 080
4. Service Manual Cold Mechanically Refrigerated Tables and Cold Ice Pan Tables Models 3 CM 4 CM 5 CM and 6 CM 3 4 CI 5 01 and 6 CI For Service Information Call 800 544 3057 Please provide the following information Model number Serial number Date of purchase Part description and number as shown in parts list Piper Products Inc 300 South 84th Avenue Wausau WI 54401 Phone 715 842 2724 Fax 715 842 3125 INTRODUCTION Congratulations You have just purchased one of the finest pieces of equipment on the market today Before installing or operating your new Piper Products Inc equipment you should read through this manual This manual should be retained for further refer ence as it contains installation and operating instructions service tips part lists and warranty information For your safety read and follow all cautions and warnings Freight Damage Claims Your Piper Products equipment was carefully inspected and packed before leaving our factory The transportation company assumes full responsibility for safe delivery of this equipment Piper Products cannot assume responsibilities for damage or loss incurred in transit Visible damage or loss should be noted on the freight bill and signed by the person making the delivery A freight claim should be filed immediately with the transportation company If damage is unnoticed or concealed until equipment is unpacked notify the transportation comp
5. acquer thinner A Use a soft cloth and mild detergent with plenty of lukewarm water to clean protector guards B Rinse thoroughly with lots of water and dry by blotting with a damp cloth or chamois C Protect and maintain the surface gloss by occasionally waxing with a good paste wax Apply a thin even coat with a soft clean cloth and polish with cotton flannel Wipe with a damp cloth to help eliminate electrostatic charges D Fine scratches can be removed by hand polishing Apply a compound such as Simonize cleaner to a soft flannel pad and rub When the scratches have disappeared remove all residue and polish CLEANING CONDENSING UNIT CM It is very important for proper performance and condenser longevity to keep the condenser clean EVERY MONTH A DANGER Disconnect electrical power to the cooler by turning master switch to the OFF position and unplugging cooler from electrical receptacle B Remove the louvered panels from the condensing unit compartment C Clean condenser by using a brush and vacuum cleaner to remove all dust and dirt Thoroughly clean condenser Wipe all surfaces of the condensing unit using a soft cloth or sponge with a mild detergent Rinse completely with warm water and then dry CAUTION The fins on the condensing unit coils are sharp and may cause injury Use care when cleaning gloves should be worn WARNING Refrigerant is under high pressure Do NOT bend kink or damage any tubing or condensi
6. any immediately and tell them you want to file a concealed damage claim This must be done within ten 10 days after delivery was made Be sure to retain all pack ing material and cartons WARNING Installation of this equipment should be done only by persons qualified or licensed to install electrical equipment Adjustments and service work should be performed only by a qualified service technician Service is available through Authorized Piper Products Parts and Service Distributors throughout the United States For a complete listing of these call or write Piper Products Inc for the name of the nearest distributor This equipment is intended for commercial use only Not for household use Use of other than genuine Piper Products replacement parts or service work performed by other than an authorized Piper Products service agent will void the warranty Do not use any corrosive cleaners Use only cleaners approved for stainless steel INSTALLATION Carefully remove carton or crate from unit Remove all loose packing materials making sure that no small parts or accessories are lost Inspect unit for concealed damage before discarding packing materials It is the responsibility of the installer to comply with all local codes Install the protector guard Installation instructions for the different model protector guards are found on pages 4 5 and 6 of this manual Refer to these for installation details If protector guard is eq
7. clean and that the drain valve is closed NOTE Crushed ice should be used as it will pack around the food pans better and give more efficient cooling than cubed ice B Place about two inches of ice on the bottom of the well Never place food directly into the well Using four inch deep food pans place pans of pre refrigerated food into the well on top of the ice leaving about 2 inches between pans Pack ice completely around food pans filling well to the top with ice C Food pans should be kept covered when possible Food should be stirred often and pans of food should be changed if the temperature reaches 40 Fahrenheit or above D As the ice melts new ice should be added around and under the food pans E Excess water should be drained off by placing a bucket under the drain pipe and opening the drain valve Be sure to close the drain valve before removing the bucket F Always drain or remove water from the well after each meal Place a bucket under the drain pipe and open drain valve When bucket is full close drain valve and empty bucket Repeat this until the well is drained OPERATION OF MECHANICALLY REFRIGERATED COLD FOOD TABLE CM A Make sure that the well is empty and clean and that the drain valve is closed NOTE Crushed ice should be used as it will pack around the food pans better and give more efficient cooling than cubed ice B Turn the master switch in the control panel ON to start mechanical refrigeration syste
8. eaned daily and maintained in good condition CAUTION Prior to cleaning or maintenance turn all switches OFF and disconnect the power cord from the receptacle WARNING Do not use any chlorinated or highly caustic cleaners acids ammonia or other corrosive cleaners These may cause corrosion and or damage to the stain less steel well Use only cleaners approved for stainless steel Do no allow water to stand in wells for long periods oftime Water must be removed from well and the well cleaned after every serving period GENERAL CLEANING CAUTION Use only cleaning agents approved for aluminum and stainless steel Do NOT use chlorinated cleaners A Clean the well using a soft cloth or sponge with a mild detergent Rinse completely with warm water and then dry B A plastic scouring pad and a mild detergent may be used to remove any hardened food or scale deposits NOTICE Do NOT use steel wool to clean wells C Use a soft cloth or sponge with a mild detergent to clean all exposed surfaces of the table Rinse completely with warm water and dry CAUTION The louvered panels may have sharp edges and could cause injury Do NOT run fingers along edges and use gloves when cleaning D Wipe the cord and plug using a cloth with detergent and warm water Do NOT use excessive water CLEANING ACRYLIC PROTECTOR GUARDS WARNING Do NOT use window cleaning sprays kitchen scouring compounds or solvents such as acetone gasoline benzene or l
9. ing The Mechanically Refrigerated Cold Food Table CM is designed to be used with or without ice to display cold foods and salads during the meal period The mechanical refrigeration system uses a 1 3 horsepower compressor and thermostat control to provide cooling to copper coils mounted to the bottom of the food well Crushed ice should be used along with the mechanical refrigeration system to achieve the optimum control of food temperatures over longer periods of time NOTE Cold Food Tables are NOT refrigerators and will NOT keep food cold for long periods of time Food should always be placed into the table directly from the refrigerator at as low of a tempera ture as possible When the food in the table reaches a temperature of 38 to 40 Fahrenheit it should be placed back into the refrigerator and replaced with cold food from the refrigerator BUFFET PROTECTOR GUARD MOUNTING ASSEMBLY PROTECTOR GUARD ASSEMBLY INSTRUCTIONS CAUTION Disconnect Electrical Power to Table 1 Set protector guard item 1 onto table top If equipped with heat or lights feed electrical wires item 2 through hole in table top 2 Using screws provided attach protector guard to brackets item 3 Remove the cover plate located on the end of the unit in the center of the panel 4 Using wire nuts provided item 4 wire nut the two black leads together Next wire nut the two white wires together For added protection tape the wire nuts with hi temperat
10. ing at a temperature of approximately 38 and shutting off at a temperature of 34 TEMPERATURE ADJUSTMENT CM CONT C To raise the operating temperature turn the cut in screw counterclockwise To lower the operating temperature turn the cut in screw clockwise Do NOT adjust more than turn at a time then allow unit to operate for one hour before making further adjustments Never turn adjusting screws more than one full turn SERVICE WARNING Adjustments and service work should be performed only by a qualified service techni cian For service contact your Authorized Piper Products Inc Parts and Service Dealer For a complete listing of these call or write Piper Products Inc for the name of the nearest dealer Piper Products does not recommend that service work be performed by anyone other than a qualified service technician If service or parts are required contact the nearest Authorized Parts and Service Distributor You will need to have available the complete model number serial number voltage and wattage this informa tion is shown on the name plate attached to the control side of the unit date of installation or purchase and a description of the problem The Distributor must have this information in order to proved proper service or parts for your equipment Never use chlorinated cleaners or cleaners sanitation agents containing quaternary salts on the interior or exterior of the cooler These cleaners can attack the stai
11. m Place about 2 inches of crushed ice on the bottom of the well then cover the well and allow unit to pre cool for approximately 30 minutes C Uncover well and add additional crushed ice until at least 2 inches of ice covers the bottom of the well Never place food directly into the well Using four inch deep food pans place pans of pre refrigerated food into the well on top of the ice making sure that pans fit tightly together Do NOT leave any open space between food pans Cover all open spaces or fill with crushed ice D Food pans should be kept covered when possible Food should be stirred often and pans of food should be changed if the temperature reaches 40 Fahrenheit or above E With the mechanically refrigerated system operating less ice will be required but as the ice melts new ice should be added around and under the food pans F Excess water should be drained off by placing a bucket under the drain pipe and opening the drain valve Be sure to close the drain valve before removing the bucket G Always drain or remove water from the well after each meal Place a bucket under the drain pipe and open drain valve When bucket is full close drain valve and empty bucket Repeat this until the well is drained MAINTENANCE Piper equipment is constructed with the best quality materials and is designed to provide you with durable service when treated with ordinary care To obtain the best performance from your equipment it should be cl
12. ng unit coil LUBRICATION CM CAUTION Make sure that master switch is OFF and disconnect the power cord from the receptacle A Remove the louvered panels form the condensing unit compartment Grasp the louvered panel at the bottom and pull straight out form the table to release from the magnetic catch B Remove the rubber plugs from oil ports on the front and back of the condenser fan motor Apply a couple of drops of 10 weight machine oil to each oil port do NOT over oil Reinstall rubber plugs into oil ports TEMPERATURE ADJUSTMENT CM The temperature is adjusted by means of a low pressure control device connected to the suction line of the refrigeration system The control is located in the condensing unit compartment and is mounted to the false bottom of the sell near the rear of the condensing unit A thin straight blade screwdriver is required to make any adjustments A Remove the louvered panels form the condensing unit compartment Grasp the louvered panel at the bottom and pull straight out form the table to release from the magnetic catch B There are two adjusting screws located on the top of the control The screw nearest to the side of the control adjusts the differential low temperature and is pre set at 18 and should only be adjusted by a qualified service technician The screw towards the center of the controls adjusts the cut in pressure high temperature and 15 pre set at 23 This results in the system start
13. nless steel and cause rusting or pitting Never use abrasive scouring pads NOTE Be especially careful with plastic parts TROUBLESHOOTING GUIDE If problems are not found by the following checks then you should contact your Authorized Parts and Service Dealer for service They have the necessary parts and training to repair your unit quickly and efficiently DANGER Disconnect all power to unit before servicing Problem Pilot light is off and condensing unit does not run 1 Has unit been connected to proper electrical receptacles 2 Is electric turned on at the main Check the circuit breaker and fuse 3 Is switch in control panel turned on Problem Pilot is on but condensing unit does not run 1 Is pressure control set properly Problem Unit does not cool to proper temperature 1 Is pressure control set to proper setting 2 Has unit been allowed to pre cool for at least 30 minutes 3 Are there heating or air conditioning ducts make up air ducts or fans located near or over unit causing cool drafts 4 Is unit connected to proper voltage If so is there a low voltage condition Problem Unit does not maintain food temperature 1 Is pressure control set to proper setting 2 Has unit been allowed to pre cool for at least 30 minutes 3 Were pans of food placed into unit at or below 38 Fahrenheit 4 Were food pans kept covered Has food been kept in the unit more than two hours 5 Are there heating or air
14. subjected to misuse or misapplica tion neglect abuse accident damage during transit or delivery fire flood riot or acts of God then this warranty shall also be void When any situation occurs which voids the warranty the manufacturer shall not be liable for any damage to any person or any property which may result from the use of the equipment thereafter Warranty is limited to Piper manufactured products only and does not apply to other equipment which may be connected to or installed within No representative dealer distributor or any other person is authorized or permitted to make any other warranty or obligate Piper Products Inc to any liability not strictly in accordance with this policy This warranty is in lieu of all other warranties expressed or implied including any warranty of merchantability and fitness for a particular purpose Piper Products does hereby exclude and shall not be liable to purchaser for any consequential or incidental damages including but not limited to damages to property damages for loss of use loss of time loss of profits or income resulting from any breach of warranty
15. tiple or single well food wells All labor shall be performed during regular working hours Overtime premium will be charged to buyer After thorough examination the decision of the Piper Products Service Department shall be final Any defective parts to be repaired or replaced must be returned to Piper Products Inc 300 South 84th Avenue Wausau WI 54401 transportation charges prepaid and they must be properly packed and tagged The serial and model number of the equipment and date of original installation of such equipment must be given However after one year we will not assume any responsibility for any expenses including labor incurred in the field incidental to the repair or replacement of equipment covered by this warranty Our obligation hereunder to repair or replace a defective part is the exclusive remedy for breach of this warranty and we will not be liable for any other damages or claims including consequential damages If upon inspection by Piper Products Inc or its Authorized Service Agency it is determined that this equipment has not been properly installed or has not been used in an appropriate manner has been modified has not been properly maintained the warranty will be void Also if the nameplate or other identifying marks have been removed defaced or changed or the unit has been repaired or altered by persons other than expressly approved by Piper Products Inc the warranty will be void If the equipment has been
16. uipped with lights be sure that the protector guard light switch located at the end of the protector guard is turned off For mechanically refrigerated units make sure that the switch in the control panel is turned off Connect the electrical power cord and NEMA 5 15P plug to a 120 volt 15 AMP power source Remove the access panels to the condensing unit and check that the fan turns freely and the condenser is not blocked The service valves have been opened at the factory and the pressure control is pre set to the proper temperature and should need no further adjustment START UP AND OPERATION When installing unit make sure there is a minimum 2 of air space to allow free air flow into the louver panel located on the end of the unit Also allow 12 of free air space for the louvered panels located in the front and in the rear of the cabinet Turn the switch in the control panel to the ON position The pilot light will light and the condensing unit will start Allow the unit to run for about 15 minutes The bottom of the cold pan should start to frost over and should be cold to the touch THEORY OF OPERATION The Cold Ice Pan Food Table CI is designed to be used with ice to display cold foods and salads during the meal period There is no mechanical refrigeration used Ice is packed around food pans placed into the food well to provide cooling A one inch drain valve is provided for draining excess water from melted ice and for ease of clean
17. ure glass braid tape and reinstall cover plate CAFETERIA PROTECTOR GUARD MOUNTING ASSEMBLY PROTECTOR GUARD ASSEMBLY INSTRUCTIONS CAUTION Disconnect Electrical Power to Table 1 Set protector guard item 1 onto table top If equipped with heat or lights feed electrical wires item 2 through hole in table top 2 Using screws provided attach protector guard to brackets item 3 Remove the cover plate located on the end of the unit in the center of the panel 4 Using wire nuts provided item 4 wire nut the two black leads together Next wire nut the two white wires together For added protection tape the wire nuts with hi temperature glass braid tape and reinstall cover plate CAFETERIA DOUBLE DISPLAY MOUNTING ASSEMBLY PROTECTOR GUARD ASSEMBLY INSTRUCTIONS CAUTION Disconnect Electrical Power to Table 1 Set protector guard item 1 onto table top If equipped with heat or lights feed electrical wires item 2 through hole in table top 2 Using screws provided attach protector guard to brackets item 3 Remove the cover plate located on the end of the unit in the center of the panel 4 Using wire nuts provided item 4 wire nut the two black leads together Next wire nut the two white wires together For added protection tape the wire nuts with hi temperature glass braid tape and reinstall cover plate OPERATION OF COLD ICE PAN FOOD TABLE A Make sure that the well is empty and
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