INSTALLATION & OPERATING INSTRUCTIONS DUAL
Contents
1. 6 3 16 COMPONENTS ANGLE PLUG 30 AMP 250 VAC 3 PHASE NEMA 15 30P 4 LEG 4 DTF 1920 Series Ops Manual ELECTRICAL GROUNDING INSTRUCTIONS Models 1921 and 1922 WARNING This appliance is equipped with a four prong grounding plug for your protection against shock hazard and should be plugged directly into a properly grounded four prong receptacle Do not cut or remove the grounding prong from this plug ELECTRICAL CODE REFERENCE IN USA When installed this appliance must be electrical grounded and its installation must comply with the National Electric Code ANSI NFPA 70 latest version the Manufacturer s Installation Instructions and applicable municipal building codes IN CANADA All electrical connections are to be made in accordance with CSA C22 1 Canadian Electrical Code Part 1 and or Local Codes SPACING The unit must have 6 inches of clearance from combustible surfaces In case other equipment is located on the right side of the unit a minimum clearance of 24 inches is required from that equipment FOR ALL UNITS A 24 inch clearance at the rear of the unit must be obtainable for service access VENTILATION Local codes prevail These are the authority having jurisdiction as stated by the NATIONAL FIRE PROTECTION ASSOCIATION INC in NFPA 96 1994 GENERAL INFORMATION The instructions that follow are intended as a guide for preparing for the installation of the Lincoln Impinger Finisher uni2. PM c In steps A and B exiting in the AM will place the control in the AM mode while exiting in PM will place the control in the PM mode Factory defaults AM 0 24 seconds and 650 F while PM 0 39 seconds and 6007 4 To switch the control from one mode to the other requires that the operator press and hold the desired AM or PM buttons for 2 to 3 seconds On power reset the control will re enter the last selected mode SHUT DOWN 1 Push both switches Impingement and Standby to the OFF position The unit s main fan will run for 30 minutes after shutting off in cool down mode CLEANING INSTRUCTIONS The Lincoln Impinger Dual Technology Finisher contains electrical components Before cleaning the unit switch off and disconnect from the electrical supply No electrical components should be subjected to moisture It is therefore important that the oven is wiped down carefully NEVER throw buckets of water over the oven or subject it to pressure washing from a hose of pressure spray If water or other liquid is spilled on the unit make sure that none has entered the control box area before switching on If in doubt call your local service company CAUTION Unit must be cool Do not use power cleaning equipment steel wool or wire brushes on stainless steel surfaces DAILY 1 Clean exterior surfaces of the unit by wiping it down with a mild detergent and clean water or a commercial stainless steel cleaner 2 Clean the i
3. power surges high and low voltage or improper connections conveyor belt replacement of fuses adjustments and calibrations for temperatures speed and airflows 2 DTF 1920 Series Ops Manual PURCHASERS RESPONSIBILITY It is the responsibility of the purchaser 1 see that the electric services for the Finisher are installed on site in accordance with the manufacturers specification 2 unload uncrate and install the Finisher in its proper location in accordance with this installation operation manual To see that the electric services are connected properly by a qualified installer of your choice All such connections must be in accordance with applicable code requirements Refer to page 5 for specific code references TABLE OF CONTENTS Dae ly MIMO et OT tested nes os odit editum deo Louris Edo Ben ented 2 Wanani NEL rm 2 P rchasers Responsibility Eu RE QUEM RN V D x MV 3 UUV 6 DIET 4 4 COMPONEN ETUR DENT EN 5 Electrical Grounding IFstEuctloris Eos bebe su te 5 SPACING E a N 5 5 General InforthallOEL n das caudas qu Rd aae sa e UR C
4. subject to the terms of this warranty be repaired or replaced at Lincoln s option Repair or replacement is to be done by the assigned Lincoln Authorized Service Agency Any claims under this warranty must be presented in writing to Lincoln through the assigned Authorized Service Agency promptly and within the warranty period Defective parts of the original equipment are warranted for one year from the date of purchase and the cost of repair or replacement labor shall be at the expense of Lincoln for one year from the date of purchase Purchase date must be within 24 months of the manufacturing date for the warranty to be in effect If the date of purchase cannot be verified then warranty shall not exceed 18 months from the date of manufacture This warranty shall not apply if the Finisher or any part is subjected to accident casualty alteration misuse abuse faulty installation or if the date of manufacture is altered or removed The obligation of Lincoln is limited to the above and except as expressly stated herein Lincoln makes no guarantee or warranty express or implied including without limitation warranties of fitness of merchant ability with respect to the Dual Technology Finisher and Lincoln has no other liability with respect thereto including without limitation liability for incidental special or consequential damages The following items are not covered by warranty Any item that is defective because of utility services
5. on the back side panel to be sure that they are good before you call the Authorized Service Agency The name and phone number of the Authorized Service Agency should be located on the oven or contact the factory at 800 678 9511 for the name of the nearest Authorized Service Agency PREVENTIVE MAINTENANCE Although this unit has been designed to be as trouble free as possible periodic preventive maintenance is essential to maintain peek performance It is necessary to keep motors fans and electronics free of dirt dust and debris to insure proper cooling Overheating is detrimental to the life of all components mentioned The periodic intervals of preventive cleaning may vary greatly depending upon the environment in which the unit is operating You must discuss this need for preventive maintenance with your Authorized Service Company to establish a proper program If there are any questions that the Service Company cannot answer contact Lincoln s Technical Service Department at 800 678 9511 INFORMATION ON USE OF UNIT As explained in Concepts page 12 the Lincoln Impinger DTF functions by directing high velocity streams of heated air directly upon the food products Because air and infrared are the heat sources it is effective even on sensitive foods Compared two conventional ovens and even convection ovens the cooking time of products in the DTF can be two 2 to four 4 times faster Several factors may affect the cooking tim
6. INSTALLATION amp OPERATING INSTRUCTIONS for DUAL TECHNOLOGY FINISHER MODEL 1920 SERIES foodse equipment TO BE SERVICED ONLY BY AUTHORIZED PERSONS Lincoln Darts RTS DTFopsman P N 2810282 REV 1 5 07 IMPORTANT WARNING AND SAFETY INFORMATION WARNING IMPROPER INSTALLATION ADJUSTMENT ALTERATION SERVICE OR MAINTENANCE CAN CAUSE PROPERTY DAMAGE INJURY OR DEATH READ THE INSTALLATION OPERATING FOR YOUR SAFETY DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS OR LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE AND MAINTENANCE INSTRUCTIONS THOUROUGHLY BEFORE INSTALLING OR SERVICING THIS EQUIPMENT Minimum clearances must be maintained from all walls and combustible materials Keep the Finisher area free and clear of combustible material Adequate clearance for air openings to the control chamber is required Do not obstruct the ventilation holes in the control box and front of the Finisher as these provide cooling air for the controls he Finisher is to be operated only on the type of electricity as shown on the specification plate This manual should be retained for future reference he electrical wiring diagram is located under the control box cover WARRANTY Lincoln warrants to the original purchaser for use of each Dual Technology Finisher as follows any part which proves to be defective in materials or workmanship within the warranty period will
7. P RU VR GUT nf 5 Materi ER EE I TU INC 5 Disassembly amp ASSembly InstracHlofiS susce evt a GR UNDE 6 Pm 7 Cleaning IRStFHeloriS 7 Operator CN ANC DTE 8 Preventive 2 P CUPS dE 8 m 8 HOW SEVICE aet beta vea tO S Na Vt ba Ec enitn M as 8 P 9 Conveyor idu e MM EE IM D E EE 10 2 inani betur dieu 11 ORC COIS RR RETE TETTE TIT 12 UTILITY SPECIFICATION Model Input Rate Voltage Current Phase Hz No of Wires Agency Listing 208 VAC 25Amps 3 60 3Wires G_ UL CUL UL Class 60 1922 240 21 7 Amps UL CUL UL Class NOTE Do not install these unit s any area with an ambient temperature in excess of 95 35 C Doing so will cause damage to the unit s DTF 1920 Series Ops Manual 3 EXTERIOR DIMENSIONS DUAL TECHNOLOGY FINISHER 23 9 16 9 25 32 EL 14 5 32 Conveyor Opening 7 1 4 2 5 8 High 53 1 32 19 29 32 4 23 9 32 15 27 82
8. e of any special products such as 1 Unit temperature setting 2 Conveyor speed HOW TO OBTAIN SERVICE If the unit fails to operate check the circuit breaker to be sure it is turned on Also check the fuses and resets on the back side panel to be sure that they are good before you call the Authorized Service Agency The name and phone number of the Authorized Service Agency should be located on the oven or contact the factory at 800 678 9511 for the name of the nearest Authorized Service Agency 8 DTF 1920 Series Ops Manual FINGER ASSEMBLY BOTTOM FINGERS C alumnating Panel Cover Patel Finger LS or E3 Marking TOP FINGER Finger Housing Cover Panel n uil innt H u Gal mneatirg Pes DISASSEMBLE FINGERS FOR CLEANING 1 olide finger cover from the housing Lift out inner columnating panel REASSEMBLY 1 When reassembling make sure the bent edge of the columnating panel is facing the finger cover 2 Reinstall fingers in the unit Be sure they are seated over the plenum flanges and the holes pointed toward the conveyor DTF 1920 Series Ops Manual CONVEYOR REMOVAL 1 2 CONVEYOR DISASSEMBLY FOR CLEANING Hemove coupling away from drive lugs Hemove conveyor from oven cavity Reassemble in reverse order Pull conveyor out the right end Place on table or
9. e page 10 3 Remove the top and bottom air wash assemblies The top and bottom assemblies are not interchangeable so mark proper orientation Each of these are attached by two 4 turn fasteners 4 Remove the bottom finger assemblies by sliding out each side These are marked LS left side and RS right side 5 Remove the top finger assembly This can be removed from either side 6 Reassemble in reverse order 6 DTF 1920 Series Ops Manual START UP 1 Push both the Impingement and the Standby switches to the ON position The electric oven should come on immediately The Impingement switch controls the heating elements for the main blower fan and the Standby switch controls the infrared heating elements and the conveyor 2 Preheat the oven for 30 minutes 3 Program the unit to desired settings To enter the program mode the TIME and TEMPERATURE buttons must be pressed simultaneously and held for 2 to 3 seconds a Press the TIME button to program AM and PM Dual Tech Finisher preset times 1 each Each pressing of the TIME button will toggle between AM and PM settings Use the UP and DOWN buttons to achieve the desired setting for AM and PM Impingement EVA b Press the TEMPERATURE button to program AM and PM preset temperatures 1 each Each pressing of the TEMPERATURE button will toggle between AM and PM settings Use the UP and DOWN buttons to achieve the desired settings for AM amp
10. eyor until both ends are on top of the conveyor on the left end 4 Reconnect the conveyor belt by slipping the connecting links back in place NOTE The conveyor belt of the Impinger DTF does not have a tension adjustment If the belt would become too loose a link s will have to be removed to tighten A belt that is too tight will also cause operational problems due to excessive drag We suggest that you have a qualified service person perform this adjustment Careful consideration should be exercised prior to removing a belt link because a belt that is too tight will impede the smooth operation of the conveyor Do not work around conveyor belt with long hair loose clothing or dangling jewelry Getting caught in the belt could result in dismemberment or fatal injury OVEN BELT BELT MAY BE HOT DTF 1920 Series Ops Manual 11 CONCEPTS The Dual Technology Finisher produced by Lincoln Impinger utilizes a revolutionary cooking concept called AIR IMPINGEMENT which is combined with the additional heat source of INFRARED heating elements It provides exceptional baked food quality in far less time than conventional devices on the market The Dual Technology system directs a high velocity stream of heated air at the food product being baked This blast effect penetrates the boundary layer of air encircling the product and heats the food more efficiently because the air concentrates heat on the product Greater heat tran
11. nterior by sweeping up all loose particles then wash with a mild detergent solution and rinse with clean water 3 Clean the conveyor belt by wiping with a cleaning cloth or brushing with a soft wire brush NOTE DO NOT use a caustic or an alkaline base cleaner on the interior of the unit This will ruin the finish of the interior On the exterior of the unit removal of deposits of baked on splatter oil grease or light discoloration may be removed with any of several commercial cleaners Consult with your local supplier WEEKLY 1 Remove finger disassemble and clean Instructions on page 9 2 Remove conveyor disassemble and clean Instructions on page 10 DTF 1920 Series Ops Manual 7 OPERATOR MAINTENANCE ae WARNING DANGER DISCONNECT POWER SUPPLY BEFORE SERVICING OR CLEANING THIS OVEN SAFEGUARD AGAINST POWER SO IT CANNOT BE ACCIDENTALLY RESTORED FAILURE TO DO SO COULD RESULT IN DISMEMBERMENT ELECTROCUTION OR FATAL INJURY Extensive engineering went into this unit to make it as maintenance free as possible There is no lubrication required However to achieve the maximum efficiency of the unit it is necessary to keep it clean For cleaning instructions see page 7 The frequency listed is only the factory s recommendation Your use and type of products will actually determine the frequency of cleaning If the unit fails to operate check the circuit breaker to be sure it is turned on Also check the fuses and resets
12. sfer rates which result in products baking two to four times faster than conventional means are possible with dual technology The Dual Technology process develops the high velocity air stream with a specially designed fan that draws superheated air from the heat source electric The air is directed through a plenum chamber to FINGERS which have focused ports that impinge the heated air onto the product surface The heated air is recycled to the heat sources after striking the product thus reducing energy consumption This unit is also designed with a cool skin technology for the outside surface The Dual Technology process is tolerant enough for sensitive food products and effects proper crisping and even browning of such products as they pass through the unit because air is the medium which heats the food product Lincoln Lincoln Foodservice Products LLC 1111 North Hadley Road Fort Wayne Indiana 46804 United States of America Telephone 260 459 8200 U S Fax 888 790 8193 Int l Fax 260 436 0735 Service Hotline 800 678 9511 www lincolnfp com 12 DTF 1920 Series Ops Manual
13. t First and foremost each crate should be examined before signing the Bill of Lading to report any visible damage caused by the trucker in transit and account for the number of crates IF THERE IS APPARENT DAMAGE United States and Canada arrangements should be made to file a claim against the carrier As Interstate Commerce Regulations require that the consignee must initiate the claim Proper and secure storage facilities should be arranged for the unit s if necessary to protect it from outdoor or damp conditions at all times before installation DO NOT LIFT EXCESSIVE WEIGHT UNCRATING When you have all the crates unloaded open the crates and remove any protective packaging Inspect at once for concealed damage If anything appears to be damaged contact the appropriate persons immediately to file a damage claim After completing this inspection finish unpacking the unit s and all other components DTF 1920 Series Ops Manual 5 DISASSEMBLY amp ASSEMBLY INSTRUCTIONS OTHER THAN OPTIONAL LEGS THIS UNIT WHEN RECEIVED IS READY FOR OPERATION AFTER BEING PLUGGED INTO AN ELECTRICAL SOURCE A CAUTION Unit must be cool before proceeding with disassembly Switch unit off and disconnect from the power supply Top Air Wash Assy Left Crumb pan Top Finger Assy Top Air Wash Assy Conveyor Remove left and right crumb pans by lifting the outside edge upwards and then sliding off 2 Remove conveyor se
14. work surface 10 pu o O A ZNS HVAT is ail ft a X DN Locate connecting links on the conveyor belt turn belt to place the links on the top left end of the conveyor approximately 8 from the shaft You can easily remove the connecting links by grasping them with a pair of pliers and slipping the eye of the connecting link over the wire of the other links CONNECTING LINKS IN THREE PLACES Also notice the direction of the opening on the other links The belt will have to be reinstalled with the opening facing the same Way 1 Carefully pull out the belt rolling it up as you go After you have removed it it may be placed in a pan of detergent solution to soak Rinse with clean water DTF 1920 Series Ops Manual CONVEYOR REASSEMBLY CONVEYOR BELT INSTALLATION BELT CDHVETOR DAYE Oo 1 Put conveyor belt back on by setting the rolled belt to the left of the conveyor and thread approximately 2 3 of the belt over the bottom of the slider bed 2 Put the loose end of the belt around the idler shaft and back on the conveyor The belt must lie on top of the upper conveyor slider bed NOTE The belt should curl around the conveyor sprockets and lay flat on top of the sprockets If the belting does not curl around the sprockets and lay flat remove the belting and turn over Reinstall 3 Pull all of the slack belt through the conv
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