XLT Gas Oven & AVI Hood Parts & Service Manual
Contents
1. How to order Parts Have all information ready when calling XLT Below is a list of information that is required for all orders At the bottom of the BOM on the following parts overview pages are additional require ments needed depending on your parts onder Oven Hood information required Model Serial Manufacture Date Phone Contact name Ship to Credit card information Teinat Sugar INTL 3160032781 Technical Support US 884 443 2751 H E A E 3 Fl FRONT PANEL TM ON PARTNUMBER DESCRIPTION 1 1 Ran From Panel Assembly a CN kamag From Panel Knob 31 1 asa Sandwich Door a EE Screw 10 2 5 1 haos Door Reumer Le 6 1 xm 6704 Door Reiner Risk Front Panel iformat Size of Oven Short or Long Window Stainless or Wood Handle 3 ar S Window Opening yn required BACK WALL TEM Q1Y PARTNUMBER DESCRIPTION 1 1 sam Hack Wall Assembly 2 i Jasun Fan Motor w Mount 3 T 1 A 5200 Fan Blade Back Wall information requi Size of Oven Voltage g g E Pi CONVEYOR TM ON PARTNUMBER DESCRIPTION 7T 1 CENT Comeyor Assembly 7 ICI karo Comeyor Bearing Assembly 37 1 forma Comeyor Shah ie a 1 730g Conveyor Shan Drive 5 6 xM 7403 Comeyor Rol Note 6 6 xm 7404 Conveyor Rol Plain 7 12. a a001 a Duct Cover assy faaore Duet Cover assy aare pue Cover Assy Teina Suppo INTL 3160032781 Eee sw uwe MT TEMATIC STANDARD 53 a 1 H bi KUREN CET tats 05 3894032751 DEN mitsun Ga NEN SCHEMATIC STANDARD 55 3270 3870 Standard Dual Box LH otsi saan usa A TA Teinat Suppo INTL 3160032781 A PASE MEE HOOP SCHEMATIC WORLD W NFD sd XLT Ovens Wien Kannan 07277 US 888 443 2751 FAX
3. 01 After pressing the lt STR gt key Press and hold the lt FUNC gt down arrow key and lt Stop Reset gt key all at the same time Release the keys all at once and the country code should appear in the display USA Hitachi s factory settings ac now restored A001 01 A003 _ USA 60 Hz World 5D Hz Supply voltage at location 200 215 ox 30 choose appropriate voltage coz C003 04 C004 05 C014 00 mot HOO 4 Bosi Put controller into monitor mode by pressing the lt FUNC gt and holding until 4001 appears on the display release and then press the lt FUNC gt one time The display should show 0 0 Put the controller in Run mode by pressing the lt RUN gt key one time The Run indicator light 1o cated next to the speed control knot should illuminate Test run the motor by tuming on one of the ovea hood switches located on the face of the hood Complete VFD manual available at www xltovens com HOOD SERVICE PROCEDURES 77 CF Controller Sern on Aree Ten BN 1855 amp 2440 3240 3255 amp 3270 3655 amp 3870 sax x ED Biz Em3 x EA Hit Em Double x Si tz 357 x x Si EEA A x EEJ Hit 30 x 30 Hz 35 Hr ET Eur AS Hz 50 Hz tik X x 30 Hz 35 Hz Er x x Eur EEA 50 Hz x x Eur Gaz 50 Hz a X E Gia 50 Hz 55 Hr Fre Supression He Figure For operation instructions of manual mode see the LEO Manual at www xltovens com
4. 3 amp 4 are tumed on 1 The Exhaust Fan Motor MI located on the roof will run 2 The Variable Frequency Drive VED will display a set value The values are preset from the factory and can be referenced in the I amp O manual 3 The ovens associated with the corresponding switches wil turn on The first part of the Theory af Operation explains how electrical power is delivered to the hood and initial sequences when the main operator switch is tumed on The remainder of the The ory of Operation section explains the function of components in alphabetical order These compo nents are also listed on the schematic Line voltage for Standard Hoods is assumed to be 208 240 VAC 60 Hz 1 Phase Line voltage for World amp Australian Hoods is assumed to be 230 VAC 50 Hz 1 Phase Power for the hood originates at building s electrical service panel Two 2 circuits are required 1 is a three phase circuit for VFD Fan circuit and 2 is a single phase circuit for lights and relays The single phase circuit consist of a line and a neutral and connects to the Terminal Strip TS A wire connects the TS to Switch 1 1 SPST NO which operates the lighting cir cuit and also to Switch S5 SPST NC which is used to manually override the Variable Fre quency Drive VED in case of failure The three phase circuit also connects to the TS and wires connect the VED through Relay 7 R7 3PDT and a Circuit Breaker CB The single phase
5. connect input power to the unit before performing any maintenance This unit requires a ventilation hood The installation must conform to local codes This unit may be operated with either natural gas ar LP fuel as designated on the nameplate label located on the side of the unit This unit must be operated by the same voltage phase d frequency of electrical power as des ignated on the nameplate label located on the side of the unit Minimum clearances must be maintained from combustible amp non combustible construction Materials Follow all local codes when installing this unit Follow all local codes to electrically ground the unit Appliance is not to be cleaned with high pressure water XLT ovens are centificd for use in stacks of up to three 3 units of XLT products Integration af other manufacturer s products into an oven stack is not recommended amp will void any war rants NLT Ovens assumes no liability for mixed product applications Failure to call XLT Customer Service at 1 888 443 2751 prior to contacting a repair company voids any amp all warranties PLEASE RETAIN THIS MANUAL FOR FUTURE REFERENCE XLT Ovens has spent millions of dollars designing und testing our products as well as de veloping Installation amp Operation Manuals These manuals are the most complete and easiest to understand in the industry However they are worthless if they are not followed We have witnessed
6. asos Conveyor Sprocket Driven 15 a 1 ET Conveyor Drive Chan 9 1 ET Comeyor Bek Conveyor information required Split Belt or Standard Belt Which part is required and how many KASE TM ON PARTNUMBER DESCRIPTION 1 1 rom Basc Ass 2 a ios Basc Leg 37 a xm 1006 Ste Leg Ange 3 2 xM 1007 Fron Back Leg Angle 5 1 _ on Oven tas 6 x 1004 Caster Base information required Size of Oven Single Double or Triple Stack JVEN PARTS FIN FINGERS TEM OTY PARTNUMBER DESCRIPTION H 1 paman Finger Group Assembly 2 or Finger Body Bonom A kammer Finger Body Top 17 1 o Finger Block OH Pi Ss Finger Outer Pure Finger information requir Size of Oven Customer name Part number on front of finger outer Technical Support US 884 443 2751 CONTROL PANEL TM ON PARTNUMBER DESCRIPTION 1 PETE Fan Guard Fiter Holder z 1 00 XP 4501 5 FPPG Fan Standard M2 3 SZENEN Comeyor Speed Conero ZIVDE 3 10074508 Temperature Control GAS 3 LOO NP4S1S CH TSA iS Amp Creu Breaker 6 roo far 4520 GA Fan Fiter Control Panel information required Size of Oven Voltage What amp circuit breaker you need CONTROL BOX FRONT THEM ON PARTNUMBER DESCRIPTION j TOO XA 4117 125 RPM STD Conv M
7. to 445 250 mA signal and then applies that signal to the Moduplus valve This in tum modulates the valve to allow an appropriate amount of fuel to control temperature T C The thermocouple is a type K It consists of two different conductors that produce a voltage proportional to a temperature difference between either end of the pair of conductors The T C is connected to Terminals 9 amp 10 of the TC Temperature Control The milli volt signal is used t0 display the actual temperature TC The Temperature Control TC has line voltage applied to terminal TS and neutral voltage applied to terminal T4 There are two displays one for actual temperature and one for set point temperature Actual temperature is determined by the Thermo Couple TIC connected to termi nals 9 amp 10 with TO being the negative terminal and T10 being the positive terminal The user determines the set point temperature by pressing and holding the lt UP gt or lt DOWN gt arrow button switches The TC sends a 4 20 mA milli amp signal to the Signal Conditioner SC depending upon the relationship between actual temperature and set point temperature An alarm relay exists between terminals amp 2 Incoming power will be interrupted by the Temperature Control TC when the actual temperature rises above the Maximum Operating Temperature see Specification Sheet The voltage being interrupted is 24 VAC trom the Transformer XFMR to the Signal Conditioner
8. 26 PNN INTE 3160432751 WER rannan
9. 888 443 2751 24 7 365 or visit www xtovens com The website offers an interactive troubleshooting guide that can further assis in diagnosing problems For repairs or maintenance of the fire suppression system and components contact the lo cal Ansul dealer or XLT for assistance Mama Mode Swich 4 Mans Mae Switch 2 VED Control Box Cover removed Technical Support INTL 3160032781 Conveyor Control Programming Procedure Read the entire instruction before programming 1 Enter Programming Moe Program he bake length Pr UP kuto unbe dvi bel ge displayed for your application Belt nate wll 4 Sc Speed Trimming Value Press the CUP button uni be display shes 1 30 wo Prett the lt UP gt buton until he display bots 17 00 lt _ Press the lt P gt OR lt DOWN gt hat until be display bows ri lt direction oe are Temperature Control Programming Procedure Read the entire instruction before programming H sar OF Pr FOOT bg I T yt Fi EEES n S mi nu Po son Ga AUF Canfigwaion Key Functions FUNGS The nev setting othe elected parameter ve aiot a aerea pc E m A knees ete parameter v Decrease lhe ing fe selected am ara pm 1 Open VIAL evi raitaa Configurations ige BI FRA _ Torn main sich to the of position Pa mu Remove n
10. QU PARTNUMBER DESCRIPTION amara Contact Block Pok w Moun z 1 00 VED Hitachi X200 007NFU 3 EX Receptci Singe 125VAC 200 3 ao Relay 11 Pin Fange Moun s saa W JA Minus Power Rey 6 200 Terminal Bock 12 POS 7 To C reut Breaker Exhaust Fan T 00 HP 2061 Current Sensing Ligh y T 00 XP AAKO Keyed Swich Operator LH w AT XP 4101A KRH Keyed Swich Operator RH n 2o EN Contact Block 1 Pole wiMout VFD Control Box Back information required Size of Oven Voltage ONNEEN ESSO lt A sa00 032 2 re Supression Kit Double Stack XA 9400 1402 fire Suppression Kit Double Stack A 9400 1155 2_ Fire Suppression Kit Double Stack xA 1000702 Fire Supression Kit Double Stack Single amp Triple Stack kits available Contact factory for details gt gt panama Base Shel Piece Po a0013240 Base Shelf 1Plece tm 2041 3255 Base Shelf Piece ovraon3270 Base Shelf Piece 2 Piece Shelves available Contact factor or details sp 0001 48____ cas Hose as xe 0401 60 eas Hose er so 0401 72 Jes Hose 777 mono CET pe TIEN A z conveyor Back Stop Butte Popper Holder ea E ACCESSORIES A 2000 3255 Hood Valance Assy Ha 2000 3270 Hood Valance Assy Other sizes lb Contact actor Tor detalls CIT
11. SC and Burner Control BC combined The Maximum Operating Temperature is set at the factory and cannot be field adjusted VI V2 amp V3 The Multi Valve assembly has three 3 Gas Valves The Main Valves VI V2 operate in series and are wired in series via the Rectifier Plug The Rectifier Plug rectifics 24 VAC from the Burner Control BC 1022 VDC VI V2 are solenoid valves and are open continu ously during turer operation regardless of either actual or set point temperature values V3 is a modulating valve and is controlled by a variable electrical signal from the Signal Conditioner SC There are two 2 fuel pressure testing ports one for incoming pressure and one for both high bias and low hias pressure The upper por is used for incoming pressure while the lower port is used fr high and low bias pressure There are two 2 hex adjusting nuts an Smm nut for adjusting high bias pressure and a Smm nut for adjusting low bias pressure XFMR The Transformer steps down line voltage to 24 VAC It supplies power to the Signal Conditioner SC Bumer Control BC and the Centrifugal Switch 2 One terminal on the sec ondary side is connected to chassis ground by a green wire The XFMR is ON whenever the Main Switch S1 is on and is independent of the Cool Down Timer R1 Note The XEMR is equipped with an integrated circuit breaker for standalone protection When any one of or all of the Hood Operator Switches 92
12. The Power Supply rectifics line voltage 10 24 VDC and supplies power to the Conveyor Con trol CC A4 amp fuse is used to provide over current protection which is mounted on the PS itself There are no other fuses used anywhere else PU The Pick Up is physically mounted within the Conveyor Motor M2 and utilizes hall effect technology integral to the M2 to monitor the rotation speed The hall effect signal is transmitted t0 the CC which converts it into linear travel speed of the conveyor RI RI is a 30 minute off delay relay which functions as a cool down timer Applying power to To activates the relay which sends a voltage signal out from TY When power is removed from To voltage continues from TO for 30 minutes TY supplies voltage to the Main Fan Motor M1 through a Circuit Breaker CB2 and also supplies voltage to the FPPG M3 Fan MI and M3 are ihe only components that will continue to operate for 30 minutes ater I is turned off The off delay relay is a safety feature to allow the oven to cool down to room temperature and to eliminate heat stress on the components of the oven R2 Proving Relay Australia ovens only The proving relay is a safety device to ensure that the Temperature Control TC Signal Conditioner SC and the Burner Control BC do NOT have 24 VAC until the Burner Blower Motor M4 is spinning at full speed The proving relay proves hat there is no MG rotation Once M4 achieves full RPM R2 w
13. any defect in material and workmanship under normal use for two 2 years from the date of original purchase by the end user XLT warrants AVI hoods to be free from any defect in material and Workmanship under nor mal use for one 1 year from the date of original purchase by the end user In the event of a part failure XLT will furnish a replacement part to the Authorized Dealer if upon inspection XLT de termines that the part is defective The Authorized Dealer will pay for all labor associated with the replacement of the part This warranty is extended to the original end user purchaser and is not transferable without prior writen consent of XLT Damages are limited to the original purchase price DUTIES OF THE OWNER The owner must inspect the equipment and crates at time of receipt Damage during shipment is to he immediately reported to the carrier and also to XLT The equipment must be installed and operated in accordance with the written instructions fur nished with the unit This warranty shall not excuse the owner from properly maintaining the equipment in accor dance with the written instructions furnished with the unit A copy of the Initial Start Up Checklist must be filed out and returned to XLT Ovens and the Authorized Dealer when the unit is initially installed and or when the unit is removed and installed in another location The gas electric and HVAC utilities must be connected tn the oven and installed
14. by locally licensed contractors Failure to contact the Authorized Dealer prior to contacting a repair company for warranty work voids any and all warranties WHAT IS NOT COVERED The following items are not covered by this warranty Freight damage Any part that becomes defective because of utility services power surges high ar low volt ages high or low gas pressure or volume contaminated fuel or improper utility connections Conveyor belis Filters Exhaust Fans Light Bulbs Normal maintenance or adjustments This warranty shall not apply if the equipment or any part is damaged as a result of accident casualty alteration misuse abuse improper cleaning improper installation improper apera lion natural disasters or man made disasters CLAIMS HANDLED AS FOLLOWS Should any such defect he discovered the Authorized Dealer must be notified Upon notification the Authorized Dealer will arrange for necessary repairs to be made by an authorized service agent The Authorized Dealer will notify XLT Ovens of all discovered defects SE This manual which contains an illustrated parts breakdown has been prepared as an aid in understanding how the unit operates how to diagnose problems and order parts for the equipment Al of the parts listed in the parts breakdown are manufactured with the same precision as the original equipment XLT parts and service providers are available worldwide There are aut
15. conditions L Verify that the power cord to the oven is connected and or plugged in if equipped with a plug and receptacle 2 Check t see that the circuit breakers in the building electrical service panel have not been tripped or turned off 3 Check all circuit breakers on the oven control panel to ensure they have not been tripped 4 Gas line size and pressure must be adequate o support total BTU requirements with all appli ances in store tumed am Refer to the Oven Gas Requirements section of this manual 5 Check the quick disconnect on the gas hose to verify that it is fully and completely engaged 6 Check the Manual gas valve to verify that it is tuned on completely The handle on the valve should be parallel with the gas piping when the valve is turned on and the handle will be per pendicular with the gas piping when the valve is turned off Also remember that anytime the gas hose has been disconnected it will take time to purge the air from the gas train 7 Check to sec that the oven is fully assembled Al of the fingers must be properly instal Incorrect or incomplete finger placement can cause a windy condition that can cause the burner not to light 1 your oven still does not function properly XLT has qualified customer service personnel that can provide assistance on any type of XLT oven problem you may experience Customer Ser vice is available 247 365 at 888 443 2751 or visit www xltovens com An interactive
16. store operators and building owners lose many thousands of dollars in lost revenue due to incorrect installations We highly recommend you follow all instructions given in this manual as well as follow best practices in plumbing electrical and HVAC building codes ks WARNING amp SAFE Definitions amp Symbols A safety instruction message includes a Safety Alert Symbol amp a signal word or phrase such as WARNING or CAUTION Each signal word has the following meaning A AY thc beng yo ter psn pring men Rel he HIGH message amp follow the instructions carefully injury or death m 10 moderate injury or serious damage to the product The situation described in the CAUTION may if not avoided lead to serious results Important safety measures CAUTION are described in CAUTION as well as WARNING so be sure to observe them f Tndicates a potentially hazardous situation that if not avoided can result in minor Notes indicates an area or subject of special merit emphasizing either the product s Nore capability or common errors in operation or maintenance Tips give a special instruction that can save time or provide other benefits while installing or using the product The tip calls attention to an idea that may not be obvious to first time Tap users of the product XLT warrants gas ovens manufactured after April 1 2009 utilizing quiclFIRE burners and all electric ovens manufac
17. trouble shooting guide is av lable on the website Before troubleshooting the hood Make sure that the RUN lamp and POWER lamp are lit Check to see that the breaker in the service panel is not tripped Check to see that the breaker on the hood electrical box is not ripped Make sure the Switch Relocation Cords SRC are properly installed to the ovens Check to see that the grease filters are clean amp installed properly Check to sec if the exhaust fan is rotating in the correct rotation applies to new installations In the occurrence that the VED controller has an ERROR Code displaying Follow these steps to clear them Error Codes _ ED1 E04 Inverter output was short circuited E05 motor overload is detected by electronic thermal function E07 DC bus voltage exceeds a threshold E09 DC bus voltage is below a threshold 4 Ground fault detected between controller output and motor Error Code Reset Check VFD display for error code and record it Clear error by pressing the lt Stop Reset gt button Press the lt Run gt button to activate exhaust fan Normal operation resumes with no errar codes 1 error codes return press the lt Stop Reset gt key and call XLT service If the corrective actions listed above do not correct the problem then XLT has qualified customer service personnel that can provide assistance on any type of XLT Oven or AVI Hood problem you may experience Customer Service is available at
18. Simple Smart XLT Gas Oven amp AVI Hood Parts amp Service Manual stributors are available at woe III WARNING R SAFETY INFORMATION U SAFETY DEPENDS ON YOU Improper installation adjustment alteration service or maintenance can cause prop erty damage injury or death Read the installation operating and maintenance in Structons thoroughly before installing using or servicing tis equipment WARNING Post in a prominent location instructions to be followed in the event you smell gas This infor mation can be obtained by consulting your local gas supplier FOR YOUR SAFETY Do not store or use gasoline or other flammable liquids or vapors in the vicinity of this or any other appliance WARNING Ze In the event gas odor is detected shut off the gas a the main shutoff valve immediately Contact your local Gas Company or supplier Do not restrict the flow of combustion and or ventilation air to the unit Provide adequate clearance for operating cleaning amp maintaining the unit amp adequate clearance for operating the gas shutoff valve when the unit is in the installed position Keep the area free amp clear of combustible material DO NOT SPRAY AEROSOLS IN THE VICINITY OF THIS APPLIANCE WHILE IT IS IN OPERATION Ovens ate certified for installation on combustible loors Electrical schematics ae located inside the control box of the oven amp and inthis manual Dis
19. ack into the driver to determine the speed the motor is currently running at This input goes into a PID algorithm to adjust the PWM output to control the speed o match the target speed that was calculated first This PWM is adjusting the average voltage that the motor phases are seeing As the average voltage goes up the motor will speed up As the average voltage drops the motor speed will also drop The maximum speed is based on a continuous 18 24V being supplied to the motor The phasing of the controller is dependent on the hall sensor signals that are being re tumed The controller reads the hall sensor position and from there knows which phase of the mo tor receives the 18 24V signal which phase of the motor is the return and which phase of the mo toris left open As the motor spins the hall sensors change which dictate which phases are ener sized SISI The Flame Sensor Spark Igniter consists of a copper clad metal mounting plate a ground electrode and two additional electrodes encapsulated in ceramic insulators One of the insulated electrodes has a 1 4 male spade welded to it while the other insulated electrode has a 16 male spade welded to it The rod with the 14 spade connects to the Spark Terminal on the Bumer Control BC via spark wire The end of this rod is positioned near the ground electrode in such away so as to create a small gap When the high voltage signal from the BC reaches the gop it is Forced o jump
20. and the phase circuits just described should have power at all times The green run indicator directly above the programming indicator is illuminated when the controller is in the run mode The con roller is put in run mode by pressing the green run button Power for ovens are routed through the hood to Switches 2 3 44 S2 S3 S4 all DPDT NO via a Switch Relocation Cord SRC When XLT Ovens are installed with an AVI Hood the SRC effectively eliminates the Main Switch located on the oven and transfers control to the DPDT switches on the hood When the contacts of SI are closed single phase voltage will be carried thru the switch to the light bulbs When the contacts of 2 S3 or S4 are closed the Ist set of contacts perform the exact same function as S1 does on the oven In addition they allow current to flow through coils located in Relay 1 2 or 3 RI R2 R3 all SPST NO which closes the Relay contacts to provide a signal out to Make Up Air MUA dampers located in Roof Top Units RTU The 2nd set of contacts will connect terminal P24 of the VED to either terminal 1 2 ar 3 which will initiate operation af the VED CB Circuit Breakers are used to protect electrical components Wa CB is tripped eliminate the cause and press the front to reset CS The Current Sensor is a device that detects electrical current in a wire and then generates a signal proportional to it It drives an LED indicator lamp 1 3 to i
21. e will run The Temperature Control TC should display both the actual and set The Conveyor Control CC should display the belt time pon temperatures The burner will ignite The conveyor belt should move The first part of the Theory af Operation explains how electrical power is delivered to the oven and initial sequences when the main operator switch is turned on The remainder of the The ory of Operation section explains the function of components in alphabetical order These compo nents are also listed on the schematic Line voltage for Standard Ovens is assumed to be 120 VAC 60 Hz Line voltage for World amp Australian Ovens is assumed to be 230 VAC 50 Hz Power originates at the electrical connection on the wall Line voltage is then carried into he oven through the power cord to the Terminal Strip TS The Neutral line is connected to the S and several jumpers are used to bridge along the TS to make connection points for multiple neutral lines from all components inside of the control bax and Main Fan motor Line 1 is also connected to the TS From there wires connect to Terminal T11 on the Cool Down Timer RI he High Limit Switch S3 World amp Australian only through the Main Circuit Breaker CB hen to the Main Switch SI Unless the outlet on the wall has no power the circuit just described has power at all times When 1 is tumed on line voltage will be carried thru the switc
22. en fa cs paling rm 3 big Pox T Open Switch VID Eu Verify nt jumper 106 congue shows En a Roine ire bc ss 34 DE Tarn main swich othe on ston za m30 Paan ez m 2 BeieCaigeaion on E Using te configura ep saliva parameter cer m changing them t match Figure 2 pan m Afer PIT Wappen pas Ense sing ihe configuration key cl 1202 and ri lt FUNC gt E mi 3 Advanced Configurations Poen E sng e nation ks sta amet ee 2 Ti Changing them to much gt 3 4 TE 4 Close VOI weich atier Basic Atvanced Configuration Figure 1 reo gt Remake neni eto SAT Im Close Switch vit 7 En caes N m Sar oe e eset ack nse En 5 Operas Parte rosie i 4 ma um On the fint pass lira change nan to 31 1 ck he m TOTT m n 77 EESE Scroll ihr the parameter codes again and change the nam 10 5 C6 ira his loci the ed omaa ar m Seal ira te panel and very mn a ON pa Naba n ma Ta Ing NAT an 316907751 Multi Valve Adjustment Procedure Check Incoming Pressure Loosen screw full turn counterclockwise Figure 1 Hook up Manometer to this test port Tum main switch to the on position Document incoming pressure on startup checklist If new installation Tum Main switch to the off position Disconnect Manometer Tighten screw clockwise until snug Figure 2 Figure 2 Vnt Valve Adjustment Procedure Hook up Manometer Loosen screw 1 full turn counterclockwise Figure 3 Hook up Manometer to t
23. ens and the Authorized Distributor when the unit s initially installed and or when the unit is removed and installed in another location The gas electric and HVAC utilities must be connected to the oven and installed by locally licensed contractors Failure to contact XLT Ovens prior to contacting a repair company for warranty work voids any and all warranties WHAT IS NOT COVERED ng items are not covered by this warranty Any part that becomes defective because of utility services power surges high ar low volt ages high or low gas pressure or volume contaminated fuel or improper utility connections Conveyor belis Filters Exhaust Fans Light Bulbs Normal maintenance or adjustments This warranty shall not apply if the equipment or any part is damaged as a result of accident casualty alteration misuse abuse improper cleaning improper installation improper apera lion natural disasters or man made disasters CLAIMS HANDLED AS FOLLOWS Should any such defect be discovered XLT must he notified Upon notification XLT will arrange Tor necessary repairs to be made by an authorized service agent Denial of services upon the arri val of an authorized service agent will release XLT of any and all waranty obligations OE WARRA STERNATIONAL 3 XLT warrants gas ovens manufactured after January 1 201 1 utilizing quietFIRE bumers and all electric ovens manufactured after April 1 2011 to be free from
24. h simultaneously to four locations via two parallel circuits Terminal T6 of the Cool Down Timer RI Terminal TS of the Temperature Control TC via a Circuit Breaker CBS Combustion Blower Motor M4 via CBS Australia only And Transformer XFMR Power Supply PS BC The Burner Control BC is powered by 24 VAC from the Transformer XFMR Incoming Power will be interrupted by the Temperature Control TC when the actual temperature rises above the Maximum Operating Temperature see Specification Sheet When the BC receives power it initiates a pre purg lighting sequence A red LED will link once after about 2 3 sec nds to give notification that the lighting sequence has stated After about 30 seconds two events occur 1 a high voltage electrical signal will be sent to the Flame SensorSpark Igniter FS S1 from the Spark Terminal and 2 a 24 VAC signal will be generated across Terminals V1 amp V2 The high voltage jumps across a gap in the FS SI creating a spark that can be heard although the BC only produces this spark for four 4 seconds One end of the Rectifier Plug is connected to Terminals VI amp V2 through a Circuit Breaker CBO The Rectifier Plug rectifies the 24 VAC to 24 VDC The other end of the Rectifier Plug is connected to Terminals 1 amp 4 of the Main Valve VI V2 The VI V2 valve will open allowing fuel o flow into the burner When the two simul taneous events occur fuel flow and spark ig
25. his test port Tum main switch t the on position Figure 3 Check High Bias Pressure Tum main switch t the on position Alter 30 seconds of pre purge the oven will light Using a mm socket turn the High Flame Bias screw Figure 4 until desired setting is achieved Use chart on next page Figure 5 for correct valve settings Figure 4 ow 00 12 os Figures Check Low Bias Pressure Pall one of the two blue wires going into the modulating valve This simulates a temperature drop and allows the oven to run at low flame bias NOTE if the flame goes out turn the Smm screw clockwise tum to increase low flame bias Wait 30 seconds and the oven will re light Using a Smm socket turn the Low Flame Bias screw Figure 6 until desired setting is achieved Use Figure 5 for correct valve settings Remove the Manometer Tum main switch to the off position Remove the manometer and re tighten the screw Figure 7 Note Do not over tighten the screw only snug is needed Figure 7 Air Shutter Settings Primary eA Secondary Access program parameters by presi the lt FUNC gt key one time and using the up and down ar Tow keys to navigate to the appropriate parameter press the lt FUNC gt key again to make adjust ments to that parameter by using the up and down arrows To store the new settings press the lt STR gt button one time nos 01 Bost
26. horized service providers located in the principle cities af the United States There are also authorized Distri located throughout the word The Theory of Operation section describes how the unit operates An understanding of normal operation will greatly aid diagnosis and troubleshooting The Troubleshooting section asks simple yes or no questions The next question or statement entirely depends upon the previous an ver I will lead to the solution of a problem in the most efficient way The illustrated parts sec tion identifies the various sub assemblics and detailed parts which make up the equipment as well as the part number An explanation of how to order parts is included This manual is designed to supplement the Installation amp Operation Manual provided with the unit when new Please refer to it for descriptions dimensions weights electrical requirements maintenance schedules and certifications XLT Ovens wants you to be totally satisfied with every aspect of owning amp using your oven amp hood Your feedback both positive amp negative is very important to us as it helps us un derstand how to improve our products amp our company Our goal is to provide you with equipment that we can be proud to build amp you can be proud to own To receive technical support for the oven or hood you purchased XLT has qualified cus tomer service personnel that can provide assistance on any type of XLT oven or hood equipment proble
27. m you may experience Customer Service is available 247 365 at 888 443 2751 or visit N formed by a qualified professional who has read amp understands these instructions amp is familiar with proper safety precautions Read this manual thoroughly before in WARNING stalling or servicing this equipment i Repairs of all electric appliances amp ventilation exhaust hoods should only be per Save this Manual This document is the property af the owner of this equipment XLT Ovens reserves the right to make changes in design amp specifications and or make ad ditions to or improvements to its product without imposing any obligations upon itself to install them in products previously manufactured All Right Hand amp Left Hand designations in this manual are from the point of view as if standing directly in front of the glass sandwich door A DECO 7 Warning amp Safety Information 2 Warranty 4 General 6 Oven Theory of Operation s Hood Theory of Operation 1 Oven Troubleshooting v Hood Troubleshooting 18 Oven Service Procedures 20 Hood Service Procedures 26 Oven Pans as Hood Parts a Accessories so Oven Schematics 53 Hood Schematics 59 For maintenance procedures please refer to the XLT Installation amp Operation Manual A ARA When the Main Switch S1 is turned on The Oven Fan Motor MI located in the Back Wall will run The Fan M3 located on the Control Pan
28. ndicate that the VED is drawing current and operating A minimum of 1 5 AAC is required L1 amp L2 These are standard incandescent light bulbs and should illuminate when the contacts of Sl are closed L3 This is a green LED indicator that is driven by the CS o indicate that the VED is drawing current and operating MI The Exhaust Fan Motor is 3 phase direct drive motor In normal operation it is powered by the VED through RG and it s RPM will vary as the frequency from the VED varies In Manual Mode it is powered with line voltage and frequency by R7 and RS and will run full speed There are no user serviceable parts in the motor and the bearings are permanently lubricated PLUG 1 2 amp 3 These arc circular electrical plugs on one end of the Switch Relocation Cord SRC The Plugs connect to Receptacles 1 2 amp 3 on the bottom of the Hood Control Box The other end of the SRC plugs into the oven wire harness and eliminates the operator switch supplied in the oven Conversely when the operator switch on the hood is turned off the corresponding oven is turned off as well RI R2 amp R3 These are SPDT relays which are electrically operated switches They use an clectromagnet to operate a switching mechanism When the contacts of S2 S3 or S4 are closed current flows through a coil in the relays causing the contacts in the relay to close This will com plete a circuit in the Dampers in the Roof Top Unit
29. nition should occur When lame is sensed by the FS SL a DC current is sent to Terminal SI of the BC The BC uses this DC current to prove ignition A minimum of 7 pA is required to maintain operation If the Burner lights the LED will not Nash Ifthe Burner fails to light the LED will flash three 3 times repeatedly and the BC will not attempt to re light CAP The Capacitor is physically mounted inside the Control Box but wired to the externally mounted Main Motor The Main Motor is a permanent split capacitor PSC motor PSC means a capacitor motor in which the starting capacitor and the auxiliary winding remain in the circuit for both starting and running CB Circuit Breakers are used to protect electrical components The current value is printed on the front of all breakers If a CB is tripped eliminate the cause and press the front to reset CC The Conveyor Control is supplied 24 VDC by the Power Supply PS via a Circuit Breaker CB3 amp CBA optional to Terminals 4 amp 5 The belt time is displayed and is user adjusted by pressing and holding the up or down arrow buton switches See the Specification Sheet for mini mum and maximum belt times The motor speed is calculated based on the time that is entered This time is translated to a RPM on the motor shaft depending on the size of the oven the diameter o the sprocket and the gear ratio of the gearbox Once the motor is running hall sensor inputs are fed b
30. ntrol Box Activating this switch applies voltage to Terminal T6 of the Cool Down Timer R1 and to the pri mary side of the Transformer XFMR When used with the optional AVI Hood System a remote switch mounted in the front of the AVI Hood replaces it S2 This Switch is a SPDT centrifugal switch physically mounted inside the Main Motor M1 When MI comes up to full speed S2 closes and sends a 24 VAC signal to the Temperature Con trol TC and the Signal Conditioner SC It functions as a safety feature to prevent buer apera tion if the MI fails to rotate S3 High Limit Switch World amp Australia ovens only This is a bi metal NC SPST switch physically mounted in the side panel of the Bake Chamber l s purpose is to provide fail safe op craton If the temperature of S3 exceeds 600 F it opens and interrupts line voltage to all compo nents except the Main Motor MI S4 Australia ovens only The Centrifugal Switch is SPST switch physically mounted inside the Burner Blower Motor MA to prave rotation SC The Signal Conditioner is powered by 24 VAC from the Transformer XFMR via the Main Motor Centrifugal Switch S2 and the Temperature Control TC on terminals 1 amp 2 Incoming Power will be interrupted by the Temperature Control TC when the actual temperature rises above the Maximum Operating Temperature see Specification Sheet The function of the SC is to convent a 4 20 mA signal from the TC Temperature Control
31. orks in conjunction with the Cen trifugal Switch S4 to prove that there is fan rotation 24 VAC is supplied by the XEMR to terminal 6 on R2 At this point in time this serves no function An additional wire connects terminal 6 with the common switch contact of S4 When the motor is at rest 24 VAC is carried through NC switch contacts in 54 to terminal 9 on R2 At this point in time this also serves no function Another wire connects terminal 9 to terminal A to activate the relay coil When the coil in R2 is activated the relays switch state When that hap pens then 24 VAC is carried from terminal 6 to terminal 9 which supplies power to terminal A in order to keep the coil energized These events occur in a very short amount of time When M4 achieves full RPM S4 will change state Voltage will then be applied to termi nal 4 of R2 Since R2 is energized terminal 4 is connected to terminal 7 which supplies 24 VAC to TC SC amp BC 1 the main switch is cycled the XFMR will disable and not supply the proving relay volt age and the proving relay will go back to NC Before reactivating R2 M must come to a com plete stop or S4 wil not go back to NC to reactivate proving relay RP The Rectifier Plug has an integrated full wave bridge rectifier circuit I converts 24 VAC from the Burner Control BC into 22 VDC that is sent to the Multi Valve V1 V2 S1 The Main Switch is a SPST normally open switch mounted on the front af the Co
32. otor Assy 12 5 RPM SID 7 OEE Sprocket Comeyor Deve 10T 3 T O0 XP 4101A Switch Operator 4 T 00 XP anna Contact Block 1 Pok Min Control Box Front information required Size ot Oven MT CONTROL BOX BACK TM Q1Y PARTNUMBER DESCRIPTION 1 1 00 XA 4235 a Pag Assy 2 100 pam Cool Down Timer 120730 Van RT 3 100 frams ibon Control DI RO amp SQ 3 10 pam Transiormer 24V 60VA 5 1 00 xr ano Dr Sigal Condiioner Eun 6 1 00 frane Power Supply PS 7 1 00 xe 3012 Capacitor Boot 8 1 00 XP 5014 30 Capacitor Baldor 3 4 HP 30 9 1 00 xr 4207 01 Muki Vale VI amp V2 10 1 00 XP 4509 Thenmcouple Type K 48 60 for xx70 LH n 100 wars High Lina Swich S3 Control Box Back information required Size of Oven Voltage TEM ON PARTNUMBER DESCRIPTION LOSA 9301 Power Cond Assembly Control Box Rear information required Size of Oven Voltage This page intentionally left blank End Shroud Panel size specific Technical Support US 884 443 2751 Technical Support INTL 3160022751 VED Control Box Standard Terminal Seip TSI gt Grounding Block Terminal Suip 52 Manan Mode Relay RS Relay RO Relay RT Relay RS Mama Mode Swich 4 Mans Mae Switch 2 VED Control Box Cover removed A een wm THEM
33. provide motor rotation To determine the rotors position and send this position to the controller three 3 Hall Ef fect switches are utilized They read the rotational information from a disc mounted on the rotor assembly This information is transmitted to the CC by three 3 wires 1 an orange U phase pole signal output 2 a green V phase pole signal output and 3 a green white W phase pole signal output These are located in a plug that inserts into the CC There are two 2 additional wires in this plug 1 a purple wire which is supply voltage for the pole sensor and 2 a gray wire hat is ground The CC using an internal logic circuit energizes the stator coils to provide proper rotation and sets the energization phase timing to obtain the desired belt speed set on the controller The motor drives an integral gear box that reduces the motor output speed to give the correct travel time othe conveyor belt The integral gear box is sealed and permanently lubricated with grease The ratio is 1 200 M3 The Flow Path Pressure Generating FPPG fan supplies combustion air for the Burner Itis wired in parallel with MI and will continue to operate for 30 minutes after S1 is tumed off A fil ter is provided to ensure clean air M4 Australia ovens only The Burner Blower Motor is a dual voltage shaded pole motor that supplies air for combustion A Centrifugal Switch 4 is physically mounted internally to prove PS
34. s RTU K4 This is a SPDT relay which is an electrically operated switch They use an electromagnet to operate a switching mechanism R4 is activated by fire alarm switch located in fire suppression cabinet When this NO switch is activated voltage from P24 of VFD connects to terminal 4 of VED This signals the VED to advance the exhaust fan to full speed 60 HZ RS Ro amp RT These are 3PDT relays which are electrically operated switches They use an electromagnet to operate a switching mechanism R7 is used all of the time regardless of whether the unit is in normal operating mode or in manual mode RS amp RG are only used in manual mode RS This is a PDT relay Standard Ovens Itis also a DPDT for World Ovens which is an electrically operated switch They use an electromagnet to operate a switching mechanism RS is activated by fire alarm switch located in fire suppression cabinet When this NO switch is act vated it then opens RS disrupting the voltage io RECI REC3 REC 4 5 amp 6 These are circular electrical receptacles mounted on the bottom af the Hood Con trol Box They connect to the SRC and also to 2 83 amp S4 See PLUG 1 2 amp 3 SI This SPST NO switch is located on the front of the hood and controls the lights 82 3 amp 4 These DPST NO switches are located on the front of the hood and control the ov ens as well as initiating and sequencing the operation of the VED and damper circui
35. s of SS are closed in manual mode the incoming line voltage is connected to terminals 4 5 amp 6 causing the voltage to be di verted away from the VFD and sent to terminals 7 8 amp 9 of RS S is also connected to R6 and When the contacts of SS are closed the switch contacts of R change state resulting in the com plete isolation of the VED on both the input and output sides At this point in time there should be no voltage supplied to either the VED or MI The key is then removed from SS and inserted into S6 When the contacts of S6 are closed the contacts of RS change state and incoming power and frequency is applied to MI via the TS TS this is a terminal strip which serves as a connection point for wires VED The Variable Frequency Drive VED converts the AC supply voltage to DC and then con vents the DC to s suitable three phase frequency source for MI Incoming power connects to ter minals L1 L2 amp 13 M1 connects to terminals U V amp W through R6 amp TS1 The VED gener ates it s own 24 VDC control voltage on terminal P24 2 S3 amp S4 serve as user controlled ir puts and connect terminals 1 2 amp 3 to terminal P24 User inputs include a lt RUN gt and lt STOP RESET gt buton switch as well as lt UP gt and lt DOWN gt arrow button switches A complete man wal can be found at www xltovens com WENI Mechanical Function 1 your oven does not function properly please verify the following
36. the gap resulting in a spark Flame has the unique ability to rectify AC voltage and current into DC voltage and current The electrode with the 3 16 spade is positioned in such a way so that the electrode is inside the flame envelope A wire connects this electrode to Terminal 1 on the BC A green ground wire is tached to the copper clad mounting plate and connected to chassis ground inside the control box When flame is present a DC current flow is detected by the BC The amount of current flow is determined by the position of the flame sensor and the size of the lame The minimum current Now to maintain operation is 7 pA MI The Main Motor is a Permanent Split Capacitor PSC single phase capacitor run motor and Bas an internal centrifugal switch 2 The motor is dual voltage and reversible The voltage to Power the motor comes from the Cool Down Timer R1 and the motor will continue to operate for approximately 30 minutes after the main switch is tumed off There are no user serviceable parts in the motor and the bearings are permanently lubricated M2 The Conveyor Motor M2 is a brushless 24 VDC gear motor The motor receives current from the Conveyor Control CC through three 3 wires 1 A black or W phase 2 a white or V phase and 3 a red or U phase They carry between 18 to 24 VDC Each wire is energized by the Conveyor Control CC in sequence to provide power to the individual stator coils which in tum
37. ts Line voltage is continuously applied to pin 1 of REC 4 5 amp 6 which is connected by a wire to a contact in S2 3 amp 4 This is showa on the schematic as the lower RH connection point of S2 3 amp 4 When the switch contacts are closed shown on the lower LH connection point on the schematic power is applied to pin 2 of the receptacles as well as terminal B of RI 2 amp 3 Wires also connect terminal B and pin 4 of the receptacles In essence 92 3 d 4 replace the switches on the ovens and also energize the coils of RI 2 amp 3 which closes the relay contacts and send a signal to dampers in RTU s The other set of contacts shown as the upper set on the schematic connect terminal 24 of the VED and terminals 3 2 amp 1 respectively The VED generates it s own 24 VDC signal volt age and the switches serve as inputs to the VED The VED outputs user selected frequencies de pending upon the combination of switches that are closed SS amp S6 These are keyed SPST switches that are used for manual mode operation in case of VPD failure 5 is NO OFF and 6 is NO OFF When SS is OFF the key cannot be removed It can only be removed when the switch is umed ON The same key is used to operate 6 and cam only be inserted or removed when 6 is OFF Incoming line voltage is applied 1o terminals 7 8 amp 9 on RT In normal mode the voltage is con nected to terminals 1 2 amp 3 which fed the VED When the contact
38. tured after April 1 2011 to be free from any defect in material and workmanship under normal use for five 5 years from the date of original purchase by the end user and further warrants main fan blades conveyor shafts and conveyor bearings for ten 10 years XLT further warrants all ovens to be free from rust for ten 10 years from the date the equipment is originally purchased XLT warrants AVI hoods to be free from any defect in mat ial and workmanship under normal use for two 2 years from the date of original purchase by the end user Inthe event of a part failure XLT will furnish a replacement part and pay for all labor associated with the replacement of the part i upon inspection XLT determines that the part is de fective This warranty is extended to the original end user purchaser and is not transferable with out prior written consent of XLT Damages are limited to the original purchase price DUTIES OF THE OWNER The owner must inspect the equipment and crates at time of receipt Damage during shipment is to be immediately reported to the carrier and also to XLT The equipment must be installed and operated in accordance with the written instructions fur nished with the unit This warranty shall not excuse the owner from properly maintaining the equipment in accor dance with the written instructions furnished with the unit A copy of the Initial Start Up Checklist must be filled out and retumed to XLT Ov
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