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Service Manual - Pacific Standard Service

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Contents

1. Blower Motor Lower HHC 6520 Key 3 16 100731 to wheel Shim Shaft Seal 700 0284 to wheel Sealing Block Blower NGC 1024 to wheel Washer Wave Spring 102436 to wheel Clamp Blower Seal NGC 1023 to wheel Nut 1 4 20 Serrated Hex Flange Plated Steel 100906 x8 to oven Blower Motor Controller BMSC Lower 103580 Nut 6 32 Serrated Hex Flange SS 100902 x4 Blower Wheel Lower 103567 See Blower Motor hardware See Blower Motor Bracket EMI Filter HHC 6342 Nut 10 32 Serrated Hex Flange SS 100903 x4 Bracket Gear Drive Controller HHC 6465 Screw 8 x 3 8 Sht Mtl PPHD Type A SS 101696 x4 Nut 10 32 Serrated Hex Flange SS 100903 x4 Cable Display Power 2 Pin 100193 None N A Cable Display Ribbon 100184 None N A Cable Smart Card Reader 103023 None N A Control Board CON 7002 Screw 6 32 x 3 8 Int Tooth PPHD SS 102911 x4 Cord Power 12 3 SOOW NEMA L620 HHC 6311 1 None N A Cover Blower Insulation Lower HHC 6367 See Blower Motor hardware See Blower Motor Display 100505 Nut 4 40 Hex Nylock SS 101060 x4 Standoff Rd 12 ID 25 OD x 50 Lg 101954 x4 EMI Filter 100542 Nut 46 32 Hex SS 100990 x4 Fuse 100599 None N A Fuse Block 103548 Nut 10 32 Serrated Hex Flange SS 100903 x2 Gear Drive Dual Belt HHC 4120 None N A Gear Drive Single Belt HHC 6538 None N A Gear Drive Controller Dual Drive HHC 6630 2 Screw 8 x 3 8 Sht Mtl PPHD SS 1016
2. 8 5 4 3 pr 6634 1 1 l REVISIONS CONVEYOR MOTOR FRONT el ejes A THE CONVEYOR AND COMBUSTION BLOWER IGNITION SEQUENCE 3 27 12 DAR Bine ARE IDENTICAL THE ONLY DIFFERENCE IS 1 CONTROL VERIFYS AIR SWITCH IS OPEN K5 RELAY AND CONTROL im 100448 ALTVAR PRODUCTION RELEASE THE PROGRAMMING THE DRIVE 100448 CAN BE 2 CONTROL TURNS ON COMBUSTION FAN VIA VFD PROGRAMMED TO MAKE ANY VERSION OF 3 CONTROL VERIFIES PASSIVE COMBUSTION FAN IS RUNNING VIA AIR PRESSURE SWITCH HHC 6670 1 3 5 7 REFERENCE PAGE 3 OF THE 4 CONTROL ENGAGES K3 RELAY AND POWER IS SUPPLIEDTO THE IGNITION MODULE ASSSUMING THRU SCHEMATIC THE CLOSED AIR SWITCH RELAY K5 5 IGNITION DIZ COLOR CODE LINE VOLTAGE 6 ONCE IGNITION IS ACHEIVED THE AIR SWITCH MAY DROP OUT AS IT IS NOT REQUIRED FOR MOST BL BLUE LINE VAC 208 240 L2 N COMBUSTION POINTS WHEN IT IS REQUIRED THE SWITCH REMAKES POWER IS SUPPLIED BY K6 WHEN D BR BROWN LINE VAC 208 240 L1 APS IS OPEN 7 POWER TO THE IGNTION MODULE IS INTERRUPTED WHEN THE IGNITION MODULE LOSES FLAME SIGNAL HHC 41 20 3 COLOR CODE LOW CONTROL VOLTAGE DUAL CONVEYO BK BLACK 24 VDC COMMON 8 SEQUENCE IS REPEATED A OR ORANGE STATUS 5 WH WHITE CONTROL OUTPUT f RD RED 24VDC CONVEYOR MOTOR REAR HHC6670 7 8 2 AND CONTROL HHC 6670 1 SINGLE DRIVE d HHC 6670 7 DUAL DRIVE Ss GAS VALVE og K6 RELAY 102832 FK ERIT secun be O
3. TURBOCHEF TECHNICAL SUPPORT PRODUCTION SHE CODEIDENT TEEN GENERAL HHC DASH NO HHC 6634 F1 20 AMPS CLASS CC 100599 F2 20 AMPS CLASS CC 100599 800 908 8726 NEXT ASSY USED ON APPLICATION NOTES RED VDC OUTPUT WHITE CONTROL OUTPUT BLACK GROUND ORANGE STATUS INPUT Analog 1 0 MOLEX 20POS BURNER BLOWER VDC 0 10 CONVEYOR VDC 0 10 CONVEYORR VDC 0 10 TOP BLR GND CONVEYOR F R GND 5 VDC TO HALL EFFECT SENSORS BLR 0 10VDC OUTPUT TOP BLR 0 10VDC OUTPUT GAS VALVE OUTPUT CC RTD GND CC RTD INPUT CC RTD INPUT J10 Mini fit Jr 39 28 8200 a tn lt z D D E D REAR BELT1 SPEED TO HALL IDLE 24 VDC OUTPUT K5 24 VDC OUTPUT COMBUSTION BLR INPUT HALL FRONT BELT2 STAT HALL K4 STATUS IGNITION INPUT BTM BLR STATUS INPUT BTM BLR GND BELT FRONT REAR GND TO HALL Advanced UO Mini fit Jr 39 28 8240 IDLE LITE OUTPUT MOLEX 24POS Standard I O Pins 8 and 19 are the 24V Power Supply input 9 K3 OUTPUT SPEAKER OUTPUT 24 VDC INPUT K3 24VDC OUT 24 VDC INPUT SPEAKER GND GAS VALVE 24VDC OUT AIR SWITCH INPUT IDLE LITE STATUS INPU ENABLE OUTPUT TOP BLR STATUS INPUT HI LIMIT INPUT J qa C Bg MOLEX 22POS Mini fit Jr 39 28 8220 Titl
4. YES Is the oven hot YES 555 page 18 19 Open the left end bell Are the cooling fans _ Check for Obstructions in the cooling tunnel Dirt or debris in the cooling fan blades A heat source near the filter NO Clean the air filter s page 5 Access TEST MODE page gt 16 Is the sta tus indicator at position b less than 65 NO Y Replace the I O control board page A 8 Are the cooling fans receiving correct voltage page 45 YES Check the Is the cooling fan ther Rep lace wiring lt vEs mostat closed page 23 FOCUS tans page 45 page A 12 NO Replace the thermostat page A 14 37 ONILOOHSI19NOYL 38 TROUBLESHOOTING Troubleshooting F7 RTD FAULT RTD Failure Replace the page A 8 Open the right end bell YES Ts the RTD damaged or N control defective page 23 s the connected properly to the board NO Replace page A 8 Is the RT D open Using an measure at the control board pages 45 47 RTD should measure approxi mately 4 5 See page 24 for ohm 4 temperature chart page 45 Correct wiring
5. Air Pressure Switch 102836 Screw 8 x 3 4 PPHD Plt Stl 104178 x2 Bracket Thermostat HHC 6390 Screw 8 x 3 8 Sht Mtl PPHD Type A SS 101696 x2 Burner Assembly HHC 6468 Nut 10 32 Serrated Hex Flange SS 100903 x4 Clamp Conduit 1 2 Nominal Zinc 103632 None N A Combustion Motor 90 degree 103620 Included Included Combustion Motor Inline not pictured 103656 Included Included Flame Sensor 103624 None N A Flame Sensor Wire 103575 None N A Flame Spreader See Burner Assembly Included Included Gas Valve Modulating 102832 None N A Ignition Module 103626 Screw 8 32 x 1 2 PPH SS 101630 x4 Standoff 1 4 Hex M F 8 32 x 50 Lg Al 101946 x4 Pipe and Valve Assembly HHC 6513 Standoff 5 8 Round 25 Thru x 75 Lg Al 101909 x2 Clamp Conduit 1 00 100133 x2 Screw 10 32 x 1 5 Lg SS 101480 x2 Relay K4 Sealed 24 VAC 20A 101275 Screw 6 32 x 3 8 Sht Mtl Drill Point PPHD Zinc 101684 x2 Shield Gas Pipe HHC 6613 Screw 8 x 3 8 Sht Mtl PPHD A SS 101696 x2 Shutter Inlet Air Blower HHC 6617 None N A Spark Assembly 103623 None N A Spark Assembly Wire 103574 None N A Thermostat High Limit 102075 Screw 6 32 x 1 4 Lg PPHD SS 101565 x2 Tube Flexible Gas 1 2 Inch 103628 None N A ITube Flexible Gas with LP Orifice 103633 None N A Wire Harness LOV Air Switch 25V HHC 6599 3 None N A Wire Harness LOV High Limit 25V HHC 6599 6 None N A Wire Harness LOV K4 Grou
6. SLN3NOdWOD DNIDV Idd8 V XIGNdddV A 14 APPENDIX A REPLACING OVEN COMPONENTS Replacing Items Burner Compartment Cover ZN WARNING Before removing or replacing any oven component thoroughly read the safety instructions found at the front of this manual and Oven Systems pages 21 28 Adhere to all precautions and warnings outlined in these sections as failure to do so could result in serious injury or death ZACAUTION Before removing installing any component make sure it is disconnected from the wire harness where applicable HHC 6374 cooling fan tube and HHC 6137 burner compartment cover removed Pipe and Valve Assembly Ignition Module e Spark Assembly Wire Combustion Motor 90 degree Shutter Inlet Air Blower Air Pressure Switch MT Wire Harness LOV Air Switch 25V Clamp Conduit 1 2 Nominal Zinc O Relay K4 Sealed 24 VAC 20A o Wire Harness LOV K4 Ground 7 Thermostat High Limit Shield Gas Pipe Tube Flexible Gas Bracket Thermostat Burner Assembly Wire Harness LOV High Limit 25V e Combustion Blower Burner Assembly Detail Spark Assembly Wire Flame Spreader Item Part Number Hardware Description Hardware Part Number s
7. 0 249 mb must be used to properly set all pressures If the minimum pressure is not set correctly the oven temperature will slowly rise in stand by mode and eventually cause cooking issues as well as trip the high limit temperature switch Digital manometers HHC 3001 are available through TurboChef call 800 90 1 214 379 6000 for pricing and availability For information on accessing the burner control see page 18 Reading the Incoming Gas Pressure Static 1 Ensure the oven and all the equipment in the piping system are off pilot lights are acceptable 2 Remove the burner compartment cover and cooling fan tube refer to page 1 3 Remove the screw from the upper tap of the gas valve 4 Attach the digital manometer to the upper tap of the gas valve Figure 4 This tap will show the incoming pressure before the internal regulator of the gas valve 5 The pressures must be no less than 6 W C 152 4 mmH O 14 94 mb and no more than 14 W C 350 6 mmH O 34 87 mb Otherwise severe damage to the equipment can occur 6 Reattach the screw to the upper tap of the gas valve Reading the Gas Pressure at 10096 Flame 1 Ensure the oven is on 2 Select a cooking profile 3 Remove the screw from the lower tap of the gas valve 4 During warmup both fan speeds are at 65 and the oven is at 100 flame attach the manometer to the lower tap of the gas valve Figure 4
8. 45 VOVNVI SN DILVW3HOS 46 CONTROL PINOUTS US CANADA NOTES RED VDC OUTPUT WHITE CONTROL OUTPUT BLACK GROUND ORANGE STATUS INPUT REAR BELT1 SPEED TO HALL IDLE 24 VDC OUTPUT IDLE LITE OUTPUT Standard I O Pins 8 and 19 are the 24V Power Supply input J9 Analog 1 0 MOLEX 20POS C U MOLEX 24POS BURNER BLOWER VDC 0 10 gt K3 24VDC OUT C GAS VALVE 24VDC OUT CONVEYOR F VDC 0 10 CONVEYOR R VDC 0 10 BTM BLR STATUS INPUT K4 STATUS IGNITION INPUT a z D a a m BELT BELT F 5 VDC TO HALL CONVEYOR R GND BTM BLR 0 10VDC OUTPUT CC RTD GND TOP BLR 0 10VDC OUTPUT CC RTD INPUT Ad Va n ced RTD Mini fit Jr 39 28 8240 BELT FRONT REAR GND TO HALL AIR SWITCH INPUT TOP ENABLE OUTPUT TOP BLR STATUS INPUT C HI LIMIT INPUT J10 MOLEX 22POS Mini fit Jr 39 28 8200 Mini fit Jr 39 28 8220 Title HHC 3240 I O CONTROL PINOUTS HHC 6620 A Date APRIL 15 2008 Drawn b MJP JKP Filename Sheet 2 of 3 Lenze AC Tech SCM Drive Single Phase For new different pole motors Passward Stock 225 Should change in Production Pram Setting Note 01 01D LineVoltage High 01 02 04 Carier Freq KHZ 04 03 02 StartMethod 02 04 01D StopMethod Coast 01 05 03 SpeedSource 0 10VDC 03 06 02 R
9. 0 4 TK 00 d Sieg 1 Thermostat 120F Close on Rise Blower Motor Plate Blower Blower Wheel Heat Slinger Blower Plate Blower Mounting Item Part Number Hardware Description Hardware Part Number s Blower Motor Upper HHC 6520 Key 3 16 100731 to wheel Shim Shaft Seal 700 0284 to wheel Sealing Block Blower NGC 1024 to wheel Washer Wave Spring 102436 to wheel Clamp Blower Seal NGC 1023 to wheel Nut 1 4 20 Serrated Hex Flange Plated Steel 100906 x8 to oven Blower Motor Controller BMSC Upper 103580 Nut 6 32 Serrated Hex Flange SS 100902 4 Blower Wheel Upper 103567 See Blower Motor hardware See Blower Motor Bracket CMSC HHC 6606 Screw 8 x 3 8 Sht Mtl PPHD Type A SS 101696 x4 Nut 10 32 Serrated Hex Flange SS 100903 x4 Bracket Dual Fan Mounting HHC 6371 Screw 1 4 20 x 38 Lg PFH SS 100 101389 x3 to oven Combustion Motor Controller 90 Nat Gas 6630 3 Screw 8 x 3 8 Sht Mtl PPHD Type A SS 101696 x4 Nut 10 32 Serrated Hex Flange SS 100903 x4 Combustion Motor Controller Inline Nat 6630 4 Screw 8 x 3 8 Sht Mtl PPHD Type A SS 101696 x4 Gas Nut 410 32 Serrated Hex Flange SS 100903 x4 Combus
10. RIGID AIR FLEX Figure 16 Edit Option Screen Press to select full edit rigid or flex for the profile cook temperature setting Press R3 to select full edit rigid or flex for the 96 air setting Changing the Display Language NOTE Feature is not available on all oven models From the setup menu screen Figure 14 press to set the language to English French German or Spanish Changing the Speaker Volume Press R2 figure 14 to change the volume of the speaker The volume can be set to either 0 1 2 or 3 where 0 is mute and 3 is the loudest setting Info Screen The info screen Figure 17 is used to display the following information in an easy to access place The oven s serial number The oven s electrical compartment temperature The oven s voltage The total time the oven has been on The total time the oven has been idle The oven s software version To access the info screen press R3 within the SETUP MODE SERIAL NUMBER EC 82F 208V RUN 65432 HR IDLE 12345 HR SOFTWARE VERSION Figure 17 Info Screen CHEAT CTRL TOP AIR TEST PAGE 1 L2 BELT CTRL BOT AIR D EC27 450F 45 100 23 9V 0 0V Figure 18 Test Mode Screen 1 Test Mode The TEST MODE serves six main purposes 1 To test individual oven components 2 To view oven information 3 To reset oven parameters NOTE When the oven is in TEST MODE the burner does not operate unless
11. Press the up key to increase the temperature in 5 F 5 C increments Flex option enabled the user can only increase the temperature up to an additional 10 5 Press the down key to decrease the temperature in 5 F 5C increments Flex option enabled the user cannot decrease the temperature by more than 10 F 5 C Press R2 again to exit the temperature controls Press R1 to access the top air controls or R3 to access the bottom air controls Adjust the air speed Press the up key to increase the air speed in 596 increments up to 10096 Flex option enabled the user can only increase the air speed by up to an additional 15 Press the down key to decrease the air speed in 596 increments down to 3096 Flex option enabled the user cannot decrease the air speed by more than 1590 Press the soft key again to exit the air controls NOILY43dO NJAO QHVOINVIS 14 STANDARD OVEN OPERATION This page intentionally left blank Oven Modes The Config Mode The CONFIG MODE Figure 9 serves four main purposes 1 access the smart card screen 2 To access the fault count screen 3 To access the sETUP MODE 4 access the TEST MODE To access the CONFIG MODE press the up key from the OVEN OFF MODE Smart Card Screen The smart card screen allows the user to Load a menu from smart card to oven Save a menu from oven to smart card To load or save a menu 1 Press
12. Combustion Motor Controller Inline Propane 6630 6 Control Board CON 7002 Conveyor Belt Kit Single Left to Right HHC 6561 1 Conveyor Belt Kit Single Right to Left HHC 6561 2 Conveyor Belt Kit 50 50 Split Left to Right HHC 6661 1 Conveyor Belt Kit 50 50 Split Right to Left HHC 6661 2 Conveyor Belt Kit 70 30 Split Left to Right HHC 6662 1 SLN3NOdWOD DONIDV Idd8 V XIGNdddV A 2 APPENDIX A REPLACING OVEN COMPONENTS To Replace This First Open or Remove This No Panel Right End Bell Left End Bell Back Panel Item Part Number Removal Page A 8 Page A 12 Page A 14 Required Page A 6 Conveyor Belt Kit 70 30 Split Right to Left HHC 6662 2 Cord Power 12 3 SOOW 1620 6311 1 Cover Blower Insulation Lower HHC 6367 Cover Blower Insulation Upper HHC 6367 T Cover Burner Compartment HHC 6137 Cover Left End Bell HHC 6529 Cover Right End Bell HHC 6528 Display 100505 EMI Filter 100542 v Fan Cooling Lower 100083 v Fan Cooling Upper 100083 Filter Air Front 11 75 x 7 5 HHC 6017 Filter Air Rear 9 x 3 25 HHC 6343 Flame Sensor 103624 T Flame Sensor Wire 103575 Flame Spreader See Burner Assembly Fuse 100599 Fuse Block 103548 Gas Pipe 8 Between Stacked Ovens
13. PRESS BACK TO EXIT Figure 12 Insert Smart Card Screen SIdON N3AO 16 OVEN MODES Accessing the Fault Count Screen Refer to page 29 for fault descriptions From the CONFIG MODE Figure 9 page 15 press to access the fault count screen Figure 13 The oven will display the number of faults that have occurred since the oven fault counts were last cleared page 20 the oven s software was last updated page 15 or the oven was last returned to the manufacturer s default settings page 20 Accessing the Setup Mode From the CONFIG MODE Figure 9 page 15 press L1 to access the SETUP MODE The SETUP MODE allows the user to customize several oven settings see below for more details Accessing the Test Mode From the CONFIG MODE Figure 9 page 15 press R3 to access the TEST MODE The TEST MODE gives the service agent the ability to diagnose oven prob lems and perform other service related tasks See page 17 for more information on the TEST MODE Setup Mode Figure 14 The sETUP MODE serves four main purposes 1 To change the display temperature 2 To access the edit option screen 3 To change the display language 4 To access the info screen To access the SETUP MODE press the up key from the OVEN OFF COOLING DOWN MODE to access the CONFIG MODE and then press L1 FAULT F1 0 F2 0 23 0 F4 0 E5310 COUNTS F6 0 0 20 E 0 0 Figure 13 Fault Counts Screen L1
14. 1 g R2 h R3 back off key I idle key S emergency stop key b Shows the temperature within the electrical compartment temperature displayed in Celsius only Shows the temperature within the cook chamber d Shows the 96 value to which the gas valve 15 set BELTS OFF BELT CTRL 10 25 1920 36 BELTF BELTR 12 30 1343 31 Figure 22 Belt Control Screen e Shows whether or not the igniter is on 0 OFF 100 ON f Shows the voltage of the power supply Bottom Display Line The bottom display line shows enabled inputs and outputs on the control board The numbers 1 10 indicate the different bottom display line which are explained below NOTE A or _ displayed the bottom display line denotes values that are not applicable to this oven 1 represents the real time clock pulse used by the control board to time oven functions The will blink once per second 2 The 1 shows that the rear belt s conveyor motor s Hall Effect Sensor HES is sending a pulse to the control board 3 The 2 shows that the front belt s conveyor motor s HES is sending a pulse to the control board 4 The H will only be missing during an F3 Flameout fault 5 The will only be missing during an F8 High Limit Tripped fault 6 first T is displayed while the top air BMSC reports an ok status to the control board 7 The first
15. 5 Verify that the maximum operating pressure is 3 5 W C 88 9 mmH O 8 71 mb unless operating 9 gas NOTE Lj gas requires a pressure of 4 W C 101 6 mmH O 9 96 mb 6 If not use an 8mm nut driver to adjust the 8mm nut Figure 4 until the manometer reads 3 5 W C 88 9 mmH5O 8 71 mb unless operating Lj gas as noted above turn clockwise to increase the pressure counter clockwise to decrease the pressure 7 Reattach the screw to the lower tap of the gas valve Red White Wires 5mm nut dNLYVLS SNOILVOIAI23dS Figure 4 Gas Valve 4 SPECIFICATIONS AND STARTUP Reading the Gas Pressure at Minimum Flame 1 Remove either the red or white wire Figure 4 2 Attach the electric manometer to the lower tap of the gas valve Figure 4 3 Verify that the minimum operating pressure is 0 10 W C 2 54 mmH 0 0 249 mb 4 If not use a 5mm nut driver to adjust the 5mm nut until the electric manometer reads 0 10 W C 2 54 mmH 0O 0 249 mb turn clockwise to increase the pressure counter clockwise to decrease the pressure 5 Reconnect the wire you removed 6 If adjustments were made re check 100 flame pressure see adjacent procedure Reading the Operating Gas Pressure 1 2 3 Ensure the oven is on Select a cooking profile page 10 Remove the screw from the upper tap of the gas valve During warmup both fan speeds are at 6596 and the oven is at 100 fla
16. PTURBOCHEF 1 Service Manual FOR THE TURBOCHEF 3240 HIGH H CONVEYOR OVEN 2008 2012 TurboChef Technologies Inc For further information call 800 90TURBO Or 1 214 379 6000 The information contained in this manual is important for the proper installation use mainte nance and repair of this oven Follow these procedures and instructions to help ensure satisfactory baking results and years of trouble free service Errors descriptive typographic or pictorial are subject to correction Specifications are subject to change without notice PLEASE CAREFULLY READ THIS MANUAL AND RETAIN IT FOR FUTURE REFERENCE Table of Contents Safety Instructions Important Safety Information Please Read First General Safety Information Preventing Oven Damage Reducing Fire Risk Grounding Instructions Power Cord Replacement Specifications and Startup Oven Overview Certifications Dimensions Oven Construction Theory of Operation Power Specifications Ventilation Requirements Gas Derating Gas Setup Reading the Incoming Gas Pressure Static Reading the Gas Pressure at 10096 Flame Reading the Gas Pressure at Minimum Flame Reading the Operating Gas Pressure Confirming Proper Closure of all Taps Cleaning Cleaning the Oven Supplies and Equipment Daily Cleaning Procedures Deep Cleaning Procedures Standard Oven Operation Oven Controls Cooking a Product Editing a Cooking Profile Changing a Cooking
17. gt is pressed when the cursor is on the far right character the cursor moves to the far left character lt L1 moves the cursor to the left The cursor starts at the far left character If is pressed when the cursor is on the far left character the cursor moves to the far right character 3 Press save R3 to save the changes or cancel L3 to cancel any changes Adjusting the Belt Speed Figure 7 The High h Conveyor Oven can accommodate either one or two conveyor belts The oven will automatically detect the number of conveyor belts installed and display the option to change the speed of each conveyor belt independently 1 Press the soft key adjacent to the conveyor belt you wish to adjust press L2 for the front belt Belt F or L3 for the rear belt Belt R 2 Adjust the time it takes for the conveyor belt to completely cycle through the oven The up key increases bake time in 5 second increments Flex option enabled the user can only increase the time up to an additional 15 seconds The down key decreases bake time in 5 second increments Flex option enabled the user cannot decrease the time by more than 15 seconds 3 Press the soft key adjacent to the belt that was adjusted to exit the belt speed controls Adjusting the Temperature Figure 7 1 2 Adjusting the Top and Bottom Air Figure 7 1 Press R2 to access the temperature controls Adjust the temperature
18. page 45 Replace the I O L No control board page A 8 Troubleshooting F8 HIGH LIMIT TRIPPED High Limit Trip YES Reset and determine why it tripped over temp blower failure etc Check if the high limit probe or RTD is damaged or defec tive replace if needed page 8 Ensure that the minimum gas pressure is correctly set reset if needed page 3 Are all the contacts Is the high limit thermostat tripped page 21 L No closed on the high limit thermostat YES Replace the I O control board page A 8 NO YES NO page A 14 Replace the high limit thermostat page 45 Correct wiring Troubleshooting F9 BELT FAULT Total Belt Run Failure there any obstructions that are blocking the conveyor s movement or is the conveyor belt damaged NO YES Remove obstruction or replace repair the conveyor and restart the oven Is the F9 fault code still present Remove the chain guard page A 6 Is the chain damaged obstructed in any way T NO y Operate the oven as you would normally Correct wiring page 45 Lleno Check that the CMSC settings correctly TurboChef settings Call service correspond with
19. Burner Compartment HHC 6137 Screw Sh Mtl 8 x 3 8 PPHD Type A SS 101696 x4 Cover Left End Bell HHC 6529 Screw 10 32 x 1 2 PPHD SS 101460 x2 Cover Right End Bell HHC 6528 Screw 10 32 x 1 2 PPHD SS 101460 x2 Filter Air Front 11 75 x 7 5 HHC 6017 one N A Filter Air Rear 9 x 3 25 HHC 6343 one N A Gas Pipe 8 Between Stacked Ovens Only 103572 one N A Gas Pipe 10 Single or Lower Oven Only 103576 one N A Handle Window HHC 6632 Screw 3 4 LP RHD 1 4 20 x 1 00 Lg SS 101738 x4 Keypad HHC 1234 one N A Label Caster Notice HHC 6610 one N A Label Caution Hot Surface NGC 1137 one N A Label Cleaning Cautions HHC 6653 one N A Label Filter 15 9372 one N A Label Gas Fired cULus HHC 6649 one N A Label Notice HHC 6611 one N A Label Operating Instructions HHC 6612 one N A Label Servicing Cautions HHC 6655 one N A Label TurboService Number NGC 1170 one N A Label UL NSF NGC 1171 one N A Leg Kit 14 Inch HHC 6850 14 ncluded Included Leg Kit 20 Inch HHC 6850 20 ncluded Included Leg Kit 26 Inch HHC 6850 26 ncluded Included Literature Packet HHC 6654 one N A Manometer Kit Electronic with Nylon Case HHC 3001 one N A Plenum Lower not pictured HHC 6565 2 one N A Plenum Upper not pictured HHC 6565 1 one N A Top Outer Curved HHC 6482 Screw Sheet Metal 8 x 1 2 Serrated PHTRH 101688 x4 Tube Cooling Fan HHC 6374 Screw Thumb w WHD 1 4 20 x 1 2 SS 101752 Window Kit HHC 3003
20. NO YES Open the right end bell Is the wiring correctfrom the conveyor Remove obstruc motor to the conveyor motor controller to the control board correct page 45 tion or if necessary replace the chain YES y Is the conveyor motor CMSC or I O control board damaged or defective see Figure 38 for motor Replace needed parts page A 8 HYES winding resistance To From Description Expected Resistance White Gray Winding A B 215 217 W White Black Winding A C 215 217 W Gray Black Winding B C 215 217 W White Gray or Black Chassis Windings to chassis Open Figure 38 Motor Ohm Chart Motor Windings not Hall Effect Sensor 39 DNILOOHS3T18nOWUL 40 TROUBLESHOOTING Troubleshooting F10 Air Pressure Switch Fault Are all the contacts on the high limit thermostat closed NO YES YES 28 Is the output of the burner transformer 24 VAC page Ls Is the air pressure Investigate the reason for the high limit tripping If the thermostat is defective replace it page A 14 switch closed YES NO the combustion Is line voltage applied 208 240 VAC to the BMSC page 25 blower running T NO i YES NOo gt Does the burner trans former have line voltage applied to input 208
21. 23 Speaker The speaker is separate from the control board and provides audible feedback to the oven oper ator whenever a key is pressed or a fault occurs Thermostat 120 F Close on Rise The cooling fan thermostat actuates the cooling fans when the temperature in the left end bell reaches 120 F 49 C Wire Harness The wire harness distributes power to the oven s electrical components See page 45 for a sche matic The Conveyor System This section contains information about the following components as well as testing procedures Gear Drive Conveyor Motor Gear Drive Conveyor Motor Speed Controller CMSC Gear Drive Conveyor Motor The conveyor motor is a 1550 RPM 3 phase motor with a built in Hall Effect Sensor The speed of the conveyor motor is controlled by the voltage frequency applied to the windings from the CMSC The Hall Effect Sensor sends a DC pulse back to the control board to verify motor speed The control board uses these pulses to determine the output DC voltage to the CMSC Conveyor ovens with a split belt configuration will contain separate gear motors and speed con trollers for each belt Testing Procedure 1 Disconnect line voltage from the unit 2 Take a resistance reading of the motor windings and use Figure 30 page 24 to verify that the resistance readings are correct SWALSAS NJAO OVEN SYSTEMS 3 If the resistance readings are correct reconnect the mo
22. 9 y b 11121 V WPE AA E IPLUG RECT III EN LIL2U V WEE EC 4 102833 BE GRAY 102836 WHITE L OPTIONAL SPLIT BELT WIRING BLACK IGNITION MODULE ee ae LII ori 103626 DOMESTIC MANUAL RESET SMART CARD CONNECTOR 102075 BE 100506 AE Bann VALVE e A 25VAC IGNITION 1012 103023 232 21 GROUND CABLE SMART CARD COOLING FANS 100083 11211 25V HHC 6501 RTD HHC 6517 1 24 CONTROL OT 1 120 222 XERM 102086 1 102837 d g a O O Ll s R 240 a B 208 BURNER BLOWER ASSEMBLY Hut AMP SPLICE W NOT USED 90 DEG BLOWER HHC 6468 INLINE BLOWER HHC 6618 K3 GAS 101274 A p o o o Ol HH L1L2 NPE L1L2 NPE SPARK ROD ACTECH COMBUSTION BLOWER 103623 103580 AO 90 DEG BLOWER 103620 vo INLINE BLOWER 103656 MODE O IDLE SWITCH LLL aui en Lu 6060066000 102831 amo RPP enno l nge en HHC6630 3 INLINE 230V VERSION NAT GAS SOUT 5151086 N HHC6630 4 9ODEG 115V VERSION NAT GAS 55229 HHC6630 5 INLINE 230V VERSION PROPANE GAS HHC6630 6 90 DEG 115V VERSION PROPANE GAS 15 J3QNVAINOO SIGNATURE CHECKED JKPIII 6 22 05 PRODUCTION QA SCHEMATIC HHC 3240 OVEN VFD DISPLAY CSA APPROVED SINGLE PHASE 208 240 VAC 60 HZ SIZE CODE IDENT NO DRAWING NO H H C 6 6 20 SHEET 1 1 2 1 SCALE NONE KEY 81201
23. Ensure that no faults appear on the display during the operation of the BMSC The control will display the frequency output if the system is operating correctly inding A C 5 1 5 5 Q SWALSAS NJAO Blue Brown or Green indings to Open hite chassis Figure 31 Blower Motor Ohm Chart Motor Windings OVEN SYSTEMS 2 Check the input voltage on terminals L1 amp L2 208 240 VAC and the DC voltage input on terminals 2 amp 5 0 1 10 VDC 3 If no voltage is present inspect the wire harness for damage or shorts page 45 4 If wire harness is intact and undamaged the BMSC is damaged or defective and must be replaced page 8 lower 12 upper Accessing Parameters UN WARNING DO NOT perform this procedure unless instructed by TurboChef Changing the parameters to other than those preset by TurboChef can damage critical oven components 1 Open the right or left end bell depending on which BMSC requires testing page 1 A 1 Locate the BMSC page A 1 Press the MODE key Use the keys to navigate the parameters we Press the MODE key to access the parameter shown on the BMSC display 6 Use the keys to manipulate the parameter 7 Press the MODE key to return to the parameter selection 8 Repeat steps 4 7 to manipulate other parameters as needed The Burner System This section contains information about and testing procedures for the following components Air Pressur
24. Kit HHC 3003 Wire Harness Conveyor Drive AC HHC 6598 4 Wire Harness Cooling Fan HHC 6598 2 Wire Harness HV Main HHC 6598 1 Wire Harness K3 Relay and Transformer HHC 6598 3 Wire Harness LOV Air Switch 25V HHC 6599 3 Wire Harness LOV High Limit 25V HHC 6599 6 Wire Harness LOV Ignition Alarm HHC 6599 2 Wire Harness LOV K4 Ground HHC 6599 4 Wire Harness LOV Main HHC 6599 1 Wire Harness LOV Signal Gear Drive HHC 6599 5 A 5 gt 5 i 9 4 Oo o a a L E x C 5 E H APPENDIX REPLACING OVEN COMPONENTS A 6 APPENDIX A REPLACING OVEN COMPONENTS Replacing Items No Panel Removal Required A WARNING Before removing or replacing any oven component thoroughly read the safety instructions found at the front of this manual and Oven Systems pages 21 28 Adhere to all precautions and warnings outlined in these sections as failure to do so could result in serious injury or death CAUTION Before removing installing any component make sure it is disconnected from the wire harness where applicable Filter Air Front 11 75 x 7 5 Label Cleaning Cautions Label Filter Cover Left Endbell Top Outer Curved Label Caster Notice Label Service Cautions Label Notice Label Gas Fired cULus Label UL NSF Conveyor Belt Kit Single B
25. Only 103572 Gas Pipe 10 Single or Lower Oven Only 103576 T Gas Valve Modulating 102832 T Gear Drive Dual Belt HHC 4120 T Gear Drive Single Belt HHC 6538 y Gear Drive Controller Dual Drive HHC 6630 2 Gear Drive Controller Single Drive HHC 6630 1 6607 Handle Window HHC 6632 Heat Slinger Blower Lower 102708 Heat Slinger Blower Upper 102708 T Ignition Module 103626 1234 Label Caster Notice HHC 6610 Label Caution Hot Surface GC 1137 Label Cleaning Cautions HHC 6653 Label Filter 5 9372 Label Gas Fired cULus HHC 6649 Label Notice HHC 6611 Label Operating Instructions HHC 6612 Label Servicing Cautions HHC 6655 Label TurboService Number NGC 1170 y Label UL NSF NGC 1171 Leg Kit 14 Inch HHC 6850 14 To Replace This First Open or Remove This No Panel Right End Bell Left End Bell Back Panel Item Part Number Removal Page A 8 Page A 12 Page A 14 Required Page A 6 Leg Kit 20 Inch HHC 6850 20 Leg Kit 26 Inch HHC 6850 26 Literature Packet HHC 6654 Manometer Kit Electronic with Nylon Case 3001 gt Menu HhC3240 Call Customer Service Nutplate Drive Bracket HHC 6396 Panel Conveyor Drive HHC 6462 Pipe and Valve Ass
26. Profile s Name Adjusting the Belt Speed Adjusting the Temperature Adjusting the Top and Bottom Air ii ii ii BRR BR DY 0 YY amp GK NH NNN NH ra QN VA MA 10 12 12 13 13 13 SLNILNOD JO 318VL TABLE OF CONTENTS Oven Modes Config Mode Smart Card Screen Updating the Firmware Accessing the Fault Count Screen Accessing the Setup Mode Accessing the Test Mode Setup Mode Changing the Display Temperature Changing the Displayed Belt Direction Edit Option Screen Changing the Display Language Changing the Speaker Volume Info Screen Test Mode Accessing the Heat Control Screen Manipulating the Top and Bottom Blowers Viewing the Status Indicators Entering a New Serial Number Initiating a Burn In Test Erasing all Oven Settings Clearing the Fault Counts Viewing the Serial Number Oven Systems The Control System Control Board Display EMI Filter Fuses High Limit Thermostat Idle Button Keypad Power Supply 24VDC Domestic Power Supply 24VDC International K3 Relay Gas K4 Relay Ignition RTD Smart Card Reader Speaker Thermostat 120F Close on Rise Wire Harness The Conveyor System Gear Drive Conveyor Motor Gear Drive Conveyor Motor Speed Controller CMSC 15 15 15 16 16 16 16 16 16 16 17 17 17 17 18 18 18 19 20 20 20 20 21 21 21 21 21 21 21 21 21 22 22 22 23 23 23 23 23 23 23 24 The Blower System 25 Blower Mot
27. TO MAKE ANY VERSION OF HHC 6630 1 2 3 4 5 6 REFERENCE PAGE 3 OF THE See AND CONTROL 2 COLOR CODE LINE VOLTAGE BL BLUE LINE Vac 208 240 L2 N ONVEYOR MOTOR FRONT HHC6630 2 BR BROWN LINE Vac 208 240 L1 COLOR CODE LOW CONTROL VOLTAGE BK BLACK 24 VDC COMMON OR ORANGE STATUS INPUT WH WHITE CONTROL OUTPUT RD RED 24VDC KEYPAD HHC 1234 A ANALOG dit UI o NL a VFD DISPLAY 64 X 128 DOTS 100505 TURBOCHEF TECHNICAL SUPPORT CONVEYOR MOTOR REAR AND CONTROL HHC6630 1 SINGLE DRIVE HHC6630 2 DUAL DRIVE COMMANDER SL PRODUCTION RELEASE mu CORRECTIONS TO COMBUSTION d FAN WIRING ASMK CMD 2 RED CMD 6520 800 908 8726 HHC 6520 DOMESTIC 1620 F1 20 AMPS CLASS CC 100599 F2 20 AMPS CLASS CC 100599 FILTER CHASSIS GROUND GENERAL DASH NEXT ASSY USED ON APPLICATION 3 HHC 6538 M GAS VALVE HHC 4120 SINGLE CONVEYOR RED GA 102832 DUAL CONVEYO HHC 4120 i lt DUAL CONVEYOR WHITE 19 WHT YELLOW mw 3 6
28. VDC Its input voltage can be tested at J7 pins 1 and 3 page 45 EMI Filter The EMI filter helps suppress the amount of RF noise emitted by the oven also filtering noise from entering the controls 21 Fuses The control circuit is ultimately protected by two 20 amp class CC fuses which are in the line voltage circuit incoming voltage The fuses are designed to blow in case of an over current situation High Limit Thermostat The high limit thermostat is a 3 pole manual reset thermostat with a trip point of 572 F 300 C The thermostat interrupts power to both the ignition module and the closed circuit of the I O control board Idle Button The Idle Button places the oven in idle mode slowing the blowers to 30 When lit idle mode is active Keypad The keypad is an 11 key membrane switch Power Supply 24VDC Domestic The power supply 24VDC domestic con verts line voltage 208 240 VAC to 24 VDC Line voltage 208 240 VAC is connected to terminals 1 amp 4 jumper between terminals 2 amp 3 terminal 5 is not used The resistance from terminals 1 to 4 with wires disconnected is 20 7 The output 24 VDC is terminals OUT power good and OUT power bad Testing Procedure 1 Disconnect line voltage from the unit 2 Take a resistance reading on terminals 1 amp 4 a If terminal resistance is correct 20 7 Apply line voltage to the unit Che
29. is displayed while the bottom air BMSC reports an ok status to the control board The second is displayed while the top L1 ml D EC27 450F 45 100 23 9V 0 0V L3 123 4 5 6789 10 Figure 23 Status Indicator Explanation Figure 24 Enter New Serial Number Screen air BMSC is enabled and receiving a command 9 The second is displayed while the bottom air BMSC is enabled and receiving a command Entering a New Serial Number Figure 24 1 Press L1 Figure 19 page 17 on screen 2 of the TEST MODE to access the input new serial number screen 2 Enter the new serial number The up key moves up through the available characters i e A B C The down key moves down through the available characters i e A 9 8 INS 11 inserts a space DEL R1 deletes the selected character gt R2 moves the cursor to the right The cursor starts at the far left character If gt is pressed when the cursor is on the far right character the cursor moves to the far left character lt L2 moves the cursor to the left The cursor starts at the far left character if lt is pressed when the cursor is on the far left character the cursor moves to the far right character 3 Press save R3 to save the changes or cancel L3 to cancel any changes INS CANCEL SIdON N3AO OVEN MODES Initiating a Burn In Test NOTE Burn in tests are for manufacturi
30. mm Wall Clearance Back 0 0 mm Left Side 0 0 mm Right Side 0 0mm Oven Construction 430 stainless steel exterior 304 stainless steel interior Powder coated steel legs 55 25in 1403mm Theory of Operation The HhC3240 conveyor oven uses two independently controlled blower motors to precisely distribute impinged air into the cook cavity from the top and bottom creating a highly customizable cooking environment and more throughput than any other oven its size Power Specifications Electrical North America EU Asia Phase 1 Phase 1 Phase Voltage 208 240 VAC 220 240 VAC Frequency 50 60 Hz 50 60 Hz Current Draw 8 8 Amp Supply 3 Wire L L G 3 Wire L L G Breakers 20 amp 16 amp Plug NEMA L620 IEC 309 3 PIN Gas Volume Maximum input per cavity 85k BTU 25kW Gross Min Pressure Nat LP Li bp bgp bp and Ly 6 W C 152 4 mm 14 94 mb Max Pressure Nat LP Ly be Lg br and Ly 14 W C 350 6 mm H O 34 87 mb Burner Pressure Nat LP Inq bp Li and Isp 3 5 W C 88 9 mm H O 8 71 mb Burner Pressure 1 1 4 0 W C 101 6 mm H O 9 96 mb Gas Type and Applicable Supply Manifold KW Country mBAR MBAR gross Lu 20 AT CH CZ DK EE ES FI GB GR IE IS IT LT LV 20 8 7 25 NO PT SE SI SK HR amp TR L 25 NL 25 13 7 25 20 DE LU amp
31. profile soft keys L1 L3 R1 or R3 CONFIG MODE when the user presses the up key Mode 2 Belt Speed Select Mode during which the user selects the desired belt speed NOTE If a different key is pressed the oven will ask if you wish to continue or return to the belt speed select screen If you select continue the oven will not save the belt speed Happens When The user selects a cooking profile from MODE l or7 Goes To MODE 3 when the user selects a belt speed and the set cooking temperature is higher than the oven s current temperature MODE 9 when the user selects a belt speed and the set cooking temperature is lower than the oven s current temperature Mode 3 Lighting Mode during which the ignition module applies voltage to the spark rod to start the burner Happens When The user selects belt speed from 2 Goes To MODE 4 when the control board receives a signal from the flame sensor that a flame is present MODE 6 if the oven s current temperature is within 25 F 14 C of the oven s set temperature Mode 4 Warming Mode during which the oven warms to the preset cooking temperature defined by the cooking pro file that was selected Happens When MODE 3 successfully completes and the oven s temperature at the beginning of warmup was not within less than 25 F 14 C of the oven s set temperature Goes To MODE 5 once the oven has reache
32. the coil the normally open contacts 7 amp 4 or C amp NO close applying line voltage to the burner trans former and the combustion blower Testing Procedure 1 Disconnect line voltage to the unit 2 Take a resistance reading of the coil 3 If coil resistance is correct 577 Q a Apply line voltage to the unit b Check for 24 VDC at the coil of the relay when the unit is calling for heat c Check the state of the contacts If the normally open contacts 7 amp 4 or C amp NO are closed when coil voltage is applied the K3 relay is functioning normally If the normally open contacts 7 amp 4 or C amp NO are not closed when coil voltage is applied the K3 relay is malfunctioning and must be replaced page A 8 4 If the coil resistance is incorrect replace the K3 relay K4 Relay Ignition The K4 relay is a single pole double throw relay with a 24 VAC coil The coil resistance is 585 and the contact rating is 20 A at 240 VAC When 24 VAC is applied to the coil the normally open contacts 7 amp 4 or C amp NO close and the normally closed contacts 7 amp 1 or C amp NC open The K4 relay uses the normally closed contacts If 24 VAC is applied to the ignition module and 1 5 minimum is not maintained the ignition module applies 24 VAC to the relay and the contacts open When the contacts open the I O control board shows an F3 No Flame fault Testing Procedure 1 Discon
33. trays then dry them with a clean towel Reinstall the end trays Step 3 Remove and Clean the Crumb Trays Slide out and remove both crumb trays Wash and rinse both crumb trays then dry them with a clean towel Reinstall the crumb trays Step 4 Remove and Clean the Filters Remove the filters both of which are located on the left side of the oven Wash and rinse both filters then dry them with a clean towel If a filter is torn or damaged replace with a new filter page A 2 for part number AN CAUTION DO NOT operate the oven without the filters in place Step 5 Clean the Oven Exterior Wipe the oven exterior and window with a clean damp towel The oven is ready to turn on DNINV3112 6 CLEANING Deep Cleaning Procedures TurboChef recommends deep cleaning the oven once a month or more frequently depending on use to ensure optimal performance Use only TurboChef approved cleaner Using any other cleaning product can damage critical parts and may void the oven s warranty Step 1 Prepare the Oven Press the back off key page 9 to turn the oven off Ensure cooling down has completed A CAUTION Injury can occur if oven is not allowed to cool properly before cleaning DO NOT attempt to clean until the cooling down message has disappeared Step 2 Remove and Clean the End Trays Remove both end trays Wash and rinse the end trays then dry them with a clean towel Step 3 Rem
34. with a clean towel Step 8 Remove and Clean the Lower End Panels Remove both lower end panels from each end of the oven Wash and rinse the lower end panels then dry them with a clean towel Step 9 Remove and Clean the Upper Nozzle Plate Remove the thumbscrew holding the upper nozzle plate in place on the right side of the oven located between the two handles If the right side upper air diverter is incorrectly positioned in front of the lip of the upper nozzle plate remove the right side upper air diverter Spray the upper nozzle plate with TurboChef Oven Cleaner to break apart any heavy stains Allow cleaner to penetrate stains for five minutes Scrub the upper nozzle plate with a nylon scrub pad Rinse the upper nozzle plate with water and wipe it with a clean damp towel IN WARNING Be sure to THOROUGHLY remove all cleaner residue Step 10 Remove and Clean the Right and Left Lower Air Diverters Remove the four thumbscrews from the right side lower air diverter Remove the right side lower air diverter Remove the two thumbscrews from the left side lower air diverter Remove the left side lower air diverter Wash and rinse the lower air diverters then dry them with a clean towel Step 11 Remove and Clean the Lower Plenum Assembly Remove the lower plenum assembly from the right side of the oven Spray the lower plenum assembly with TurboChef Oven Cleaner to break apart any heavy stains Allow cleaner to p
35. working correctly pages 23 28 Is the wire harness roperly connected page 45 Ensure that the correct amount is being LNO lcooked not more or less than the recipe specifies Is the correct amount of food portion being cooked HR s the food item being prepared correct ly and consistently For example con firm meat is sliced at correct thickness Ensure that the _no__ food item is properly prepared NO YES pizza dough is correct consistency etc YES Are there any fault Correctly reinstall codes present lenums and nozzle 4 T NO lates page 7 8 NO Replace correct the operation of the conveyor motors and or CMSCs blower and or IBMSCs burner and or combustion blower and or wir ing harness page 23 28 45 Are the plenums amd YES nozzle plates correctly installed pages 7 8 steps 9 13 EYES NO Replace the 1 0 control board page A 8 a Does the problem occur EVERY time the food item is cooked roubleshoot the fault s using the steps on pages 31 40 P YES Troubleshooting No Display Screen is Blank YES wiring from the control board to the display including the Does the keypad when key is pressed Correc
36. x 3 4 Lg PHTRHD SS 101399 x4 Plate Conveyor Drive Double HHC 6467 None N A Sprocket 1 Bore 101906 None N A Spur Gear 2 75 PD 1 2 inch Bore 101895 None N A Spur Gear 3 5 PD 5 8 inch Bore 101903 Screw Set SKT CUP PAWL 1 4 20 x 1 2 Lg 101719 x1 each Weldment Bracket Single Drive HHC 6557 None N A Weldment Bracket Split Belt HHC 6309 None N A Weldment Shaft Internal Drive HHC 6306 Washer Thrust 5 8 ID x 1 8 THK 103471 SLNANOdWOD N3AO DONIDV Idd8 V XIGNdddV A 12 APPENDIX A REPLACING OVEN COMPONENTS Replacing Items Left End Bell ZN WARNING Before removing or replacing any oven component thoroughly read the safety instructions found at the front of this manual and Oven Systems pages 21 28 Adhere to all precautions and warnings outlined in these sections as failure to do so could result in serious injury or death ZACAUTION Before removing installing any component make sure it is disconnected from the wire harness where applicable Switch Momentary Mushroom Idle Button Motor Controller Upper Fan Cooling Upper and Lower Bracket Dual Fan Mounting Wire Harness Cooling Fan Combustion Motor Controller Bracket CMSC Blower Motor Upper
37. 0 66 C or from MODESs 5 6 8 or 9 Goes To MODE 1 when the oven temperature has receded below 150 F 66 C MODE 2 when the user selects a cooking profile NOILY43dO NJAO QHVOINVIS STANDARD OVEN OPERATION Mode 8 Idle Mode during which both blowers are reduced to 3096 to save power All other oven components remain the same Happens When The user presses the idle key from 6 Goes To MODE 6 when the user presses the idle key up key down key or any soft key MODE 7 when the user presses the back off key Mode 9 Cool to Light Mode during which the burner assembly shuts off to allow the oven to cool to the set cook ing temperature defined by the profile that was selected Happens When The user selects a cooking profile from MODE 1 or 7 that has a set cooking temperature lower than the oven s current temperature Goes To MODE 3 when the oven has cooled to the set temperature of the current cooking profile MODE 7 when the user presses the back off key Editing a Cooking Profile To edit a cooking profile the oven must be in the COOKING MODE and the full edit or flex option must be enabled for each option you want to edit For more information on select ing between full edit rigid and flex options for each editable setting see Edit Modes Select Screen on page 16 PROFILE 1 TOP AIR 80 BELT F INCE SET 5 00 475F BELT 3 20 AI
38. 200D AccelDecel 2 20 0 seconds 225D Password 00D SpeedAtMinSignal 0 0 Hz 450 SpeedAtMaxSignal 45 0 Hz 01D ClearHistory Maintain 01 01D ProgramSelector User 01 D in this collum means factory default settings The rest are read only 50 Fault History 51 Software Code 52 DC Bus Voltage 53 Motor Voltage 54 Load 55 0 10VDC input 56 4 20mA input 57 TB Strip Status 58 Keypad Status HHC 86 20 1 De buh Value Acceleration 2ramptme ACC Aceseratonremptime 15 35 AUC DCinecion Conigurtion of All e Ge met BFR Std motor fe quenc Hz CFG Macro contig selection Speed ctg cas Motor 1 Cosinus Phi current detection Deceleraion ramp time FLR Catch a spinning load FON start e freq threshold High Speed NPR Rated motor power Tet Type 177 wre control TFR ouput Tequency UNS No min al motor woltage 8 70 5 jAccelerson 2 ramp time 05000 ADC Automatic DC injection JMe GN Mo 50 Configuration of All lo tage ATR Automatic restart Yes BFR Std moter fre quen B Hz IEC COS Motor 1 Cosinus a ne FIR Catch a spinning load Yes No FON Auxiliary pump start He ERS motor wrequeney Hr up High Speed 80 Hz 5D Hz CER parameter choice NCR Nominal motor cu
39. 240 VAC YES transformer page A 8 Replace the burner the wiring correct page 45 YES Y the air tube connected tightly NO Y Replace the air switch page A 14 Check the wiring Y Replace the air tube page 45 Replace the I O control board Replace the K3 relay page A 8 page A 8 a Y ES s coil voltage No 24 VDC applied to the K3 relay page 22 NO Replace the I O control board page A 8 Correct wiring N 45 is Are the relay contacts closed T YES Check the wiring page 45 Non Fault Code Troubleshooting This section provides troubleshooting tips for issues that may occur independently of an oven fault Troubleshooting Cooling System Issue Is oven in an area of moderate temperature 120 F 49 C or cooler YES NO y Relocate oven to Does the oven have room to ventilate not tightly enclosed by other appliances or fixtures cooler area Move oven to open area NO gt gt 0r remove items that are in close proximity YES Y J Is the air filter dirty and or aus a Place ay filter and or the vent obstructed remove obst
40. 96 x4 Nut 10 32 Serrated Hex Flange SS 100903 x4 Gear Drive Controller Single Drive HHC 6630 1 Screw 8 x 3 8 Sht Mtl PPHD Type SS 101696 x4 Nut 10 32 Serrated Hex Flange SS 100903 x4 Heat Slinger Blower Lower 102708 See Blower Motor hardware See Blower Motor Plate Blower Motor Lower HHC 6405 Screw 1 4 20 x 50 Hex Serrated Washer Head SS 101394 x4 Spacer Blower Motor NGC 1022 x4 Plate Weldment Blower Mounting Lower HHC 6404 Screw 1 4 20 x 50 Hex Serrated Washer Head SS 101394 x4 Spacer Blower Insulation Cover HHC 6366 x4 Power Supply Domestic HHC 6501 Screw 6 32 x 3 8 Sht Mtl Drill Point PPHD Zinc 101684 x4 Power Supply International 101211 Screw 6 32 x 3 8 Sht Mtl Drill Point PPHD Zinc 101684 x4 Relay K3 24 VDC 20A 101274 Screw 6 32 x 3 8 Sht Mtl Drill Point PPHD Zinc 101684 x2 RTD Probe HHC 6517 Screw 6 32 x 3 8 Sht Mtl Drill Point PPHD Zinc 101684 x2 Smart Card Reader 100506 Washer 6 Flat Cres 102170 4 Spacer Round 192 ID x 25 OD x 125 LG SS 101885 x4 Speaker 104155 Screw 6 32 3 8 Sht Mtl Drill Point PPHD Zinc 101684 x2 Transformer Burner 102837 Screw 8 x 3 8 Sht Mtl PPHD Type A SS 101696 x2 Wire Harness Conveyor Drive AC 6598 4 None N A Wire Harness K3 Relay and Transformer HHC 6598 3 None N A Wire Harness LOV Signal Gear Drive HHC 6599 5 None N A A 9 SLN3NOdWOD DNIDV Idd8 V XIGNdddV A 10 APPENDI
41. DEGS F ENGLISH SETUP MENU BELT L R VOL 3 L3 EDIT RIGID FLEX INFO Figure 14 Setup Mode Changing the Display Temperature The oven can display the temperature in either Celsius or Fahrenheit units To change the display temperature press L1 in SETUP MODE Figure 14 Changing the Displayed Belt Direction Press L2 figure 14 to change what the oven dis plays as the belt direction either right to left or left to right NOTE Changing this option does not affect the operation of the belts T o change the belt direction a service agent must modify the internal wiring For more information please contact customer service at 1 800 90turbo or 1 214 379 6000 Edit Option Screen The edit options screen Figure 16 allows the user to switch between full edit rigid and flex options for profile name belt speed temperature and air For more information on the different edit options see Editing a Cooking Profile on page 12 To access the edit options screen 1 Press L3 Figure 14 to access the password screen Figure 15 2 Input the password 6 6 3 3 by pressing the soft keys adjacent to the numbers To change the edit option Figure 16 Press L1 to select full edit or rigid for the profile name Press L3 to select full edit rigid or flex for the belt speed ENTER PASSWORD lt 6633 gt Figure 15 Password Screen L1 NAME FULL EDIT MODES TEMP FLEX L2 SELECT
42. Included N A SLN3NOdWOD DNIDV Idd8 V XIGNdddV A 8 APPENDIX A REPLACING OVEN COMPONENTS Replacing Items Right End Bell A WARNING Before removing or replacing any oven component thoroughly read the safety instructions found at the front of this manual and Oven Systems pages 21 28 Adhere to all precautions and warnings outlined in these sections as failure to do so could result in serious injury or death A CAUTION Before removing installing any component make sure it is disconnected from the wire harness where applicable Gear Drive Controller 2 if split belt Blower Motor Controller Wire Harness Conveyor Drive AC Relay 24 VDC 20A Bracket Gear Drive Controller 2 if split belt Display Cable Display Power 2 Pin Cable Display Ribbon Blower Motor RTD Probe Control Board Power Supply Gear Drive 2 if split belt Wire Harness LOV Signal Gear Drive Speaker EMI Filter Bracket EMI Filter Transformer Burner Wire Harness K3 Relay and Transformer Cord Power 12 3 SOOW NEMA L620 Fuses Fuse Block Smart Card Reader Cable Smart Card Reader NOTE For blower motor detail see page A 12 NOTE For gear drive detail see page A 10 Item Part Number Hardware Description Hardware Part Number s
43. L3 Figure 9 to access the smart card screen Figure 10 2 Insert a smart card into the smart card slot Figures 11 and 12 with the gold chip facing the inside of the oven 3 Load or save a menu Press R1 to load a menu from the smart card to the oven Figure 10 Press R2 to save a menu from the oven to the smart card Figure 10 FAULTS CONFIG MENU SMARTCARD TEST MODE LOAD FROM CARD SMARTCARD SAVE TO CARD Figure 10 Smart Card Screen Updating the Firmware From the oven off screen 1 Insert the gray smart card see Figure 11 with the gold chip facing the inside of the oven If multiple smart cards are required they will be labeled in sequence ensure the correct sequence is followed 2 From the COOLING DOWN or OVEN OFF MODE press and hold the idle key until the oven resets approximately 5 seconds The display will go blank until the upload is complete 3 When the oven beeps one long high tone the load was successful If a second card was provided insert it 4 When the oven restarts and the display turns on the update is complete Remove the smart card NOTE If the update is unsuccessful the display will remain off and the oven will beep one long low tone If this occurs repeat the above procedure If the update fails multiple times a smart card may be damaged Contact TurboChef to obtain a new smart card Figure 11 Smart Card slot location INSERT SMART CARD
44. PL 20 8 7 25 or 20 25 ER BE 20 8 7 25 3p 37 BE CH CZ ES FR GB E SR IE PT SI SK amp PL 20 9 7 29 s 50 CH CZ DE ES e FR HU NL amp SK id 3p 30 HU NO 20 8 7 25 52 85in 1342mm 72 13in 1832mm Kr Jee T T gt r e i 5 19 00in SS 19 00in GE e AY L 483mm SS 483mm ES BE d 87 5311 2223mm 59 201 1503mm 56 8011 1443 99999 an E d 00009 GR REN du 3 19 00in 19 00in Tg SH ENS run 483mm ta e 483mm LE NNI ioa Figure 3 Dimensions Ventilation Requirements The TurboChef model HhC3240 conveyor oven must be operated underneath a Type I or II hood Always adhere to local building and gas codes Local code is the prevailing authority for determining hood size and Gas Derating Contact TurboChef with questions regarding elevations and necessary adjustments Gas Setup A digital manometer that will read 0 10 WC 2 54
45. PTIONAL SPLIT BELT WIRING ao 101276 Lem n 1 I HI bemomsnrenmum ___ Lasa a ED ES o PLUG com SINGLE CONVEYOR K 102833 HH0 6538 24 gt EA K5 APS 24VAC gt E e HHC 4120 101274 5 DUAL CONVEYOR 24 gt lt 24 8 ZAVAC gt MANUAL RESET OT2 alle 102075 20 C a erra 14 C 12 ORG Y 4 B TH W 24VAC ESCH V1 PV1 wi IGNITION MODULE 112511 103614 2 GND A ANALOG 102836 BAVAG gt 24VAC GND i SWITCH PRESSURE HV B ADV VO 101211 0 1 in H2O 6 24VAC gt HHC6670 3 INLINE 230V VERSION NAT GAS 6670 5 INLINE 230V VERSION PROPANE GAS we 24VDC 1 POWER L SUPPLY N C STD I O 9 BURNER BLOWER ASSEMBLY Geseent LTL2INPE 102837 INLINE BLOWER HHC 6618 K3 GAS 101274 E ACTECH E FLAME SENSE yo TR 240 B 208 2 W NOT USED VFD DISPLAY x RUNI sa 128 0018 E A Uli We o 0000 eewBUSTONBLOWER c gt UNE COMBUSTION BLOWER 103623 OT 1 120 F 102086 M F AMP SPLICE SPEAKER 0 103580 104155 BTM BLR y o 23520 HHC 6520 MODE O SEA 9 gt 6517 1 IDLE SWITCH COOLING FANS 102831 100083 SIGNATURE DATE DRAWN HHC 6520 DAR 3 27 12 En EGO SCHEMATIC HHC 3240 OVEN 100542 VFD DISPLAY AU NZ ENGINEER SINGLE PHASE 230 VAC 50 HZ
46. Product This section explains how to cook a food product by describing the standard opera tion modes through which the oven progresses Figure 6 MODE 1 Oven Off MODE 2 Belt Speed Select MODE 3 Lighting MODE 4 Warming MODE 5 Soaking MODE 6 Cooking MODE 7 Cooling Down MODE 8 Idle MODE 9 Cool To Light NOTE 8 and 9 are not part of a standard cooking cycle They only occur when the user intervenes as described on page 12 Mode 1 Oven Off Mode during which all cooking components are off and the oven temperature has receded below 150 F 66 C but the display and keypad remain on The user can access cooking profiles 1 4 on this screen 1 or press the down key to access cooking profiles 5 8 BELT F SOAKING SET TIME LEFT 5 00 475F COOKING TOP AIR 60 BREAKFAST DINNER COOLING DOWN OVEN TCC 425F 5 BTM AIR 60 96 DESSERT BREAKFAST BELT F OVEN IDLE SET 5 00 PRESS ANY KEY 475F TOP AIR 80 96 TOP AIR 3096 BELTR BTM AIR 100 3 20 BTM AIR 30 LUNCH TOP AIR 100 AIR 80 Betr COOL TO LIGHT ser 2 00 425F 400F SET 475 BTM AIR 100 3 00 100 Happens When Power is supplied to the oven The oven completes MODE 7 The user presses the down key while accessing The CONFIG MODE refer to page 15 for more information Goes To MODE 2 when the user selects a cooking
47. R 100 96 When the rigid option is enabled for a given setting the soft key adjacent to that setting Figure 7 is disabled and no menu editing is allowed When the full edit option is enabled for a given setting that setting is fully customizable and changes are saved once the oven returns to the OVEN OFF Or COOLING DOWN MODE When the flex option is enabled for a given setting that setting is customizable within flex option limitations as described in the fol lowing sections and changes will reset when the oven returns to the OVEN OFF or COOLING DOWN MODE NOTE The flex option does not apply to editing a profile name This section assumes that the full edit option is enabled except where otherwise noted and that a cooking profile and belt speed have been selected Changing a Cooking Profile s Name The full edit option must be enabled to change a cooking profile s name 1 From the cooking screen Figure 7 press L1 to access the name change screen Figure 8 2 Change the name of the cooking profile The up key moves up through the available characters e g A B C The down key moves down through the available characters e g A 9 8 INS L1 inserts a space PROFILE 1 3 CANCEL Figure 7 Cooking Screen Figure 8 Name Change Screen DEL R1 deletes the selected character R1 moves the cursor to the right The cursor starts at the far left character If
48. Replace the I O control HNO or defective page 23 board page A 8 YES y est the page 24 for resistance temperature chart This page intentionally left blank ONILOOHSI19NOYL 34 TROUBLESHOOTING Troubleshooting F3 NO FLAME Flameout Is the gas line connected YES Does the burner ignite o x and the gas supplied turned on s the set temperature I higher than the cook YES NO cavity temperature YES Is the unit calling for urn the oven NO eat If 96 on front off and then display is greater on Does the Adjust the set than 096 burner ignite temperature and the fault NO Y clear Replace the Remove the cool YES ignition ing duct and rear Open the Y module access panel page LNO manual valve page A 14 1 Is the manual page A 14 P Clean or if necessary replace peur SS the spark rod page A 14 m YES ki Does the ignition Is the spark rod module have 24 vno damaged or dirty applied NO YES l Replace the Is the wire spark CET wire spark cable damaged or MEM abe YES connected Jing to ignite is spar A 14 A 14 present page 27 14 page Is inlet gas pressure present Inlet gas
49. X A REPLACING OVEN COMPONENTS Gear Drive Assembly Detail Nutplate Drive Bracket Nutplate Drive Bracket Weldment Bracket Split Belt Panel Conveyor Drive Weldment Bracket Se ML E Geared Hub Single Drive y S Panel Conveyor Drive M N M x Spur Gear 3 5 5 8 inch Bore Weldment Shaft Gear Drive Dual Belt Collar 5 8 inch Shaft Weldment Shaft Internal Drive Internal Drive CH CSS Gear Drive Single Belt Sprocket 1 Bore Spur Gear 3 5 PD 5 8 inch Bore d Spur Gear 2 75 PD Bolt Retainer Bracket 1 2 inch Bore Plate Conveyor Drive Double Item Part Number Hardware Description Hardware Part Number s Bolt Retainer Bracket HHC 6426 None N A Collar 5 8 inch Shaft 100257 None N A Gear Drive Dual Belt HHC 4120 Washer Thrust 5 8 ID x 1 16 THK 103470 x1 each Screw 1 4 20 x 3 4 Lg PHTRHD SS 101399 x4 each Nut 1 4 20 Serrated Hex Flange Plated Steel 100906 x4 each Gear Drive Single Belt HHC 6538 Nut 1 4 20 Serrated Hex Flange Plated Steel 100906 x4 Screw 1 4 20 x 3 4 Lg PHTRHD SS 101399 x4 Washer Thrust 5 8 ID x 1 16 THK 103470 Geared Hub HHC 6607 Washer Thrust 5 8 ID x 1 8 THK 103471 Washer Thrust 1 ID x 1 16 THK 103472 Nutplate Drive Bracket HHC 6396 None N A Panel Conveyor Drive HHC 6301 Nut 1 4 20 Serrated Hex Flange Plated Steel 100906 x4 Screw 1 4 20
50. a burn in test is being performed o access the TEST MODE I Press the up key from the orr or COOLING DOWN MODE to access the CONFIG MODE 2 Press the R3 soft key 3 Input the password 2 4 3 3 Figure 20 The TEST MODE consists of two screens Figures 18 and 19 Use the up and down keys to navigate between them From screen 1 of the TEsT MODE the user can Access the burner control screen Manipulate the top and bottom blowers View the status indicators From screen 2 of the TEST MODE the user can Input a new serial number nitiate a burn in test Erase all oven settings Enable disable maintenance mode Clear the fault counts The maintenance mode will show temperature burner operation and other diagnostics while the oven is running L1 INPUT SN 208V TEST PAGE 2 27 Burn in MAINT ON L3 ERASE CLEAR CLEAR FAULTS ENTER PASSWORD lt 2433 gt SIdON N3AO Figure 20 Password Screen OVEN MODES Accessing the Heat Control Screen From screen 1 of the TEST MODE Figure 18 page 17 press L1 to access the heat control screen Figure 21 Use this mode to set gas pressures see page 3 To change the burner s setting Press L1 to set the burner to full or to light the burner Press L2 to set the burner to low Press R1 to turn the burner off Accessing the Belt Control Screen From TEST MODE screen Figure 18 page 17 press L2 to access the belt control scree
51. an minimum flame adjusted correctly page 3 YES s at least 1 5 uA maintained by the burner page 28 YES No minimum flame LNo lreplace the flame sense Adjust the 100 and page 3 Inspect and if needed rod page A 14 Inspect and if needed replace the burner assembly page A 14 35 ONILOOHSI19NOYL 36 TROUBLESHOOTING Troubleshooting F5 CC OVER TEMP CC Over Temp Open the rear access panel page 1 Remove the white wire from the modu lating gas valve page 14 Does the unit continue to heat Reset the minimum flame gas pressure page 3 Does the oven continue to heat YES NO than 096 the unit calling for heat if 96 on front display is greater s the set temperature HYES higher than the cook cavity temperature chassis s the white wire shorted to the YES Repair wiring page 45 Replace the Operate modulating normally gas valve page A 14 NO NO YES Replace the I O control board page A 8 Adj ust the set temperature page 13 Replace the I O control board page A 8 Troubleshooting F6 EC OVER TEMP EC Over Temp the air filters on the left end bell clean page 1
52. asoline or any other flammable vapors or liquids near this appliance x DO NOT spray aerosols in the vicinity of this appliance while it is in operation If a gas leak is noticed x DO NOT attempt to light or operate any appliance x DO NOT operate any electronic device Y Immediately use an exterior phone to contact your gas supplier Y If you cannot contact your gas supplier contact your local fire department Grounding Instructions WARNING Improper grounding increases the risk of electric shock This appliance must be grounded The cord is equipped with a grounding wire and plug which in the event of an electrical short circuit reduce the risk of electric shock by providing an escape wire for the electric current The wire must be plugged into an outlet that is properly installed and grounded Consult a qualified electrician or serviceman to determine whether or not the appliance is properly grounded x DO NOT use an extension cord If the power supply cord is too short request a qualified electrician or serviceman to install an outlet near the appliance Power Cord Replacement To avoid potential hazards only the manufacturer its service agent or a similarly qualified person should replace a damaged power cord SNOILINYLSNI ALAAVS iii SAFETY INSTRUCTIONS This page intentionally left blank Specifications and Startup Overview 8 Window optional feature Figures 1 and 2 For part numbers see the 9 Hi l
53. ck for line voltage 208 240 VAC at terminals 1 8Z 4 SWILSAS NJAO 22 OVEN SYSTEMS b If terminal resistance is incorrect replace the power supply 3 If correct voltage is present disconnect the output wires and check output OUT amp OUT for 24 VDC 4 If voltage is present with output wires disconnected and not present when the wires are connected inspect the wire harness for damage or shorts 5 If the wire harness is intact and undamaged the power supply is damaged or defective and must be replaced page A 8 Power Supply 24VDC International The power supply 24VDC international converts line voltage to 24 VDC Line voltage is connected to terminals L amp N The output 24 VDC is on terminals V and V Testing Procedure 1 Check for line voltage 208 240 VAC at terminals L amp N 2 If correct voltage is present check output CV amp V for 24 VDC with output wires disconnected 3 If voltage is present with output wires disconnected and not present when the wires are connected inspect the wire harness for damage or shorts page 45 4 If wire harness is intact and undamaged the power supply 24VDC international is damaged or defective and must be replaced page A 8 K3 Relay Gas The K3 relay is a single pole double throw relay with a 24 VDC coil The coil resistance is 577 and the contact rating is 20A at 240 VAC When 24 VDC is applied to
54. d that is adjacent to it on the screen 3 Up and Down Keys When the oven is in the OVEN OFF MODE use the up key to access the CONFIG MODE page 15 Use the down key to access cooking profiles 5 8 When the oven is in TEST MODE page 17 press the down key to access the second screen of options Press the up key to go back to the first page Press the up and down keys to also change option settings where applicable by TurboChef 4 Back Off Key Depending on the mode the oven is in the back off key will return the oven to the previous screen or turn the oven off 5 Idle Key The idle key activates the IDLE MODE page 12 6 Emergency Stop Key The emergency stop key shuts down the con veyor and burner at which time the display shows the belts halted screen From the belts halted screen press the back off key to turn the conveyor back on and send the oven to the COOLING DOWN MODE page 11 DO NOT use the emergency stop key as a general on off switch NOILY43dO NJAO QUVYANVLS 10 STANDARD OVEN OPERATION BREAKFAST DINNER BREAKFAST OVEN OFF BELTF WARMUP 5 00 OVEN TCC 275 475F BELTR DESSERT 3 20 BREAKFAST DINNER BREAKFAST 5 00 2 00 3 20 4 00 BELT SPEED 5 00 2 00 2 30 BELTR 3 00 2 45 3 20 LUNCH DESSERT BREAKFAST TOP AIR 40 BELT F LIGHTING SET BELTF 5 00 OVEN TCC 72F 475 5 00 BREAKFAST BELTR BELTR 3 20 BTM AIR 40 3 20 Figure 6 Cooking Modes Cooking a
55. d once the erase option is confirmed Viewing the Serial Number The serial number is located at the bottom of screen 2 of the TEST MODE Figure 19 page 17 CAUTION Write this number down before replacing the I O control board Replacing the I O control board will erase this number from the oven s memory If replacing a control board see page 19 for re entering the serial number L1 L2 ERASE ALL Continue CLEAR FAULTS Continue Figure 28 Confirm Clear Fault Counts Screen Oven Systems The Control System This section contains information about the following components Control Board Display EMI Filter Fuses High limit Thermostat Idle Button Keypad Power Supply 24VDC Domestic Power Supply 24VDC International Relay K3 Gas Relay K4 Ignition RTD Smart Card Reader Speaker Thermostat 120 F Close on Rise Wire Harness This section also contains testing procedures for the following components Power Supply 24VDC Domestic Power Supply 24VDC International Relay K3 Gas Relay K4 Ignition RTD Control Board The control board is powered by the 24 VDC power supply and sends control voltage to all the relays See page 45 for a schematic 24 VDC can be measured at the J9 connector pins 19 and 8 See pages 45 47 Display The vacuum fluorescent display is the primary user interface and is powered by the control board using 5
56. d the temperature defined by the selected cooking profile MODE 7 when the user presses the back off key and the oven is above 150 F 66 C Mode 5 Soaking Mode during which the oven has completed warming up and automatically allows an additional five minutes for the oven cavity surfaces to warm Happens When MODE 4 completes within 5 F 3 C of set point Goes To MODE 6 when soaking completes MODE 7 when the user presses the back off key and the oven is above 150 F 66 C Mode 6 Cooking Mode during which the oven is ready to cook The user can place food on the conveyor to cook or edit cook settings if the full edit or flex option is enabled See page 12 for more information on full edit and flex options Happens When MODE 5 completes MODE 3 completes if the oven s current temperature is within 25 F 14 C of the oven s set temperature The user presses the idle key up key down key or any soft key during 8 Goes To MODE 7 when the user presses the back off key MODE 8 when the user presses the idle key MODE 4 if the temperature drops 25 F 14 C or more below the set point MODE 9 if temperature rises 25 F 14 C or more above the set point Mode 7 Cooling Down Mode during which the burner assembly shuts off to allow the oven to cool Happens When The user presses the back off key from MODES 3 or and the oven temperature is above 15
57. e HHC 3240 I O CONTROL PINOUTS Size Number Rev HHC 6634 A R Date 3 27 12 Drawn b DA Filename Sheet 2 of 3 49 GNV1V4Z MIN VIIVILSNV SLNONId TOYLNOD 50 CONTROLLER CODES AUSTRALIA NEW ZEALAND 01 02 03 04 05 06 10 11 12 14 16 17 19 20 21 22 23 24 25 26 27 28 29 30 81 32 33 34 35 36 37 38 39 42 44 45 46 47 48 Lenze AC Tech SCM Drive Single Phase For new different pole motors Passward Stock 225 Should change in Production Pram Setting Note 01D LineVoltage High 01 04 Freq KHZ 04 02 StartMethod 02 01D StopMethod Coast 01 03 SpeedSource 0 10VDC 03 02 RelayOut RUN 02 02 TB13AFunction 02 02 DB13BFunction 02 01D TB13EFunction None 01 01D Control TermStripOnly 01 02D EditingUnits WholeUnits 02 01D Rotation ForwardOnly 01 100 AccelTime 10 0 seconds 100 DecelTime 10 0 seconds 00D DCBrakeTime 7 0 0 seconds 00D DCBrakeVolt 0 0 96 00D MinimumFreq 0 0 Hz 450 MaximumFreq 45 0 Hz 50 CurrentLimit 50 96 100 D MotorOverload 100 96 600D BaseFreq 60 0 Hz 10D FixedBoost 1 0 96 00D AccelBoost 0 0 96 00D SlipCompensation 0 00 96 00D PresetSpeed 1 0 0 Hz 000 PresetSpeed 2 0 0 Hz 000 PresetSpeed 3 0 0 Hz 000 PresetSpeed 4 0 0 Hz 00D PresetSpeed 5 0 0 Hz 00D PresetSpeed 6 0 0 Hz 00D PresetSpeed 7 0 0 Hz 00D SkipBadwidth 0 0 Hz 00D SpeedScalling 0 0
58. e Switch Burner Transformer Combustion Blower Modulating Gas Valve Ignition Module Air Pressure Switch The air pressure switch contacts close when a 0 lin WC 2 54mm WC differential exists between the two ports The air pressure switch has one negative port and one positive The air tube from the combustion blower is attached to the positive port The air tube must not be dam aged in any way cracked or split The connec tion must be tight at the combustion blower and the switch itself to ensure proper operation of the air pressure switch Testing Procedure 1 Attach a digital manometer to the air tube coming from the combustion blower 2 reading above 0 1 WC 2 54mm WC is required to close the contacts If the reading is below 0 1in WC 2 54mm WO check the combustion blower operation Burner Transformer The burner transformer converts incoming line voltage to 24 VAC output Testing Procedure 1 Disconnect line voltage to the burner transformer Remove the burner transformer lead wires 3 Check the resistance of the primary and secondary windings refer to Figure 33 to determine if the transformer is functioning properly 4 Setup the wire configuration for 208 or 240 208 VAC installation connect wire B blue to wire C blue Figure 32 below is configured for 208 VAC operation 240 VAC installation connect wire A red to wire C blue Figure 32 Burner Transforme
59. e cook cavity s tem perature reaches or exceeds 625 F 329 4 C The fault is cleared from the display once the oven is restarted and the temperature recedes below 625 F 329 4 C F6 EC Over Temp This fault is displayed if the equipment cham ber reaches 149 F 65 C however the oven will not shut down and the fault will not be logged in the fault count log unless the equip ment chamber reaches 158 F 70 C The fault is cleared from the display when the equipment chamber temperature falls below 149 F 65 C F7 RTD Failure This fault is displayed if the RTD circuit is open shorted reads above 645 F 340 5 C or reads below 40 F 40 C The fault is cleared from the display if the RTD circuit is closed or the temperature reads with in 645 F 340 5 C and 40 F 40 C 29 ONILOOHSATGNOYL 30 TROUBLESHOOTING F8 High Limit Tripped F10 Air Switch Fault This fault is displayed if the high limit switch This fault occurs if the air pressure switch on trips The switch trips when the high limit the burner fails to close when the burner circuit probe reads approximately 600 F 315 5 C is energized The fault is cleared from the display when the The fault is cleared from the display when the high limit switch is manually reset air pressure switch closes after the burner circuit is energized F9 Belt Fault This fault occurs if the conveyor belt fails to start The fault is clea
60. eed in Hz 02 690 Maximum set speed in Hz 03 0 0 Accelleration rate in sec 100Hz 04 0 0 Decelleration rate in sec 100Hz 05 AV Drive confguration 06 0 30 Motor rated current 07 3200 Motor rated speed 08 208 Motor rated voltage 09 0 80 Motor power factor 10 Parameter access 11 0 Start Stop logic 15 0 0 Jog referance 17 OFF Enable negative prreset speeds 18 0 0 Preset Speed 1 19 0 0 Preset Speed 2 20 0 0 Preset Speed 3 21 0 0 Preset Speed 4 25 0 Securty Setup 27 0 Power up keypad referance 29 no Load defaults 30 1 Ramp mode select 31 2 Stopping mode select 32 OFF Dynamic V to f select 33 2 Catch a spinning motor select 35 0 Terminal 4 output mode select 37 3 Maximum switching freq in KHz 39 600 Motor rated frequency 40 Auto Number of motor poles 41 Fd Voltage mode select 42 3 0 Low frequency voltage boost The rest are read only Control Techniques Commander SL EMERSON Burner Blower In line 230VAC PROPANE 5 VERSION Passward 0 Stock password should change in Production Pram Setting Note 01 200 Minimum set speed in Hz 02 69 0 Maximum set speed Hz 03 0 0 Accelleration rate in sec 100Hz 04 0 0 Decelleration rate in sec 100Hz 05 AV Drive confguration 06 0 30 Motor rated current 07 3200 Motor rated speed 08 208 Motor rated voltage 09 0 80 Motor power factor 10 Parameter access 11 0 Start Stop logic 15 0 0 Jog referance 17 OFF Enable negative prr
61. elayOut RUN 02 10 02 TB13AFunction 02 11 02 DB13BFunction 02 12 01D TB13EFunction None 01 14 01D Control TermStripOnly 01 16 02D EditingUnits WholeUnits 02 17 01D Rotation ForwardOnly 01 19 100 AccelTime 10 0 seconds 20 100 DecelTime 10 0 seconds 21 00D DCBrakeTime 0 0 seconds 22 00D DCBrakeVolt 0 0 96 23 00D MinimumFreq 0 0 Hz 24 450 MaximumFreg 45 0 Hz 25 50 CurrentLimit 50 26 1000 MotorOverload 100 27 600D BaseFreq 60 0 Hz 28 10D FixedBoost 1 0 96 29 00 AccelBoost 0 0 96 30 00D SlipCompensation 0 00 96 31 00D PresetSpeed 1 0 0 Hz 32 00 PresetSpeed 2 0 0 Hz 33 00 PresetSpeed 3 0 0 Hz 34 00D PresetSpeed 4 0 0 Hz 35 00D PresetSpeed 5 0 0 Hz 36 00D PresetSpeed 6 0 0 Hz 37 00 PresetSpeed 7 0 0 Hz 38 00D SkipBadwidth 0 0 Hz 39 00D SpeedScalling 0 0 42 2000 AccelDecel 2 20 0 seconds 44 225D Password 45 00D SpeedAtMinSignal 0 0 Hz 46 450 SpeedAtMaxSignal 45 0 Hz 47 01D ClearHistory Maintain 01 48 01D ProgramSelector User 01 Din this collum means factory default settings The rest are read only 50 Fault History 51 Software Code 52 DC Bus Voltage 53 Motor Voltage 54 Load 55 0 10VDC input 56 4 20mA input 57 TB Strip Status 58 Keypad Status Control Techniques Commander SL EMERSON Conveyor Motor BGFM15 240TD2NX LARGE FRAME Single Conveyor Only 1 VERSON Passward 0 Stock pass
62. elt Shown Cover Right Endbell Keypad ER 72922 Chain Guard gt Catch Slotted Eyebrow Chin Assembly Right End Handle Window Window Kit Chin Assembly Left End Leg Kit 4 legs with casters per kit Caster Cover Burner Compartment NOTE Remove Cooling Fan Tube Tube Cooling Fan Label Filter Filter Air Rear 9 x 3 25 Cooling Fan Tube Thumb Screw Item Part Number Hardware Description Hardware Part Number s Caster 102799 Use lifters see Installation Manual for instructions None Catch Slotted Eyebrow HHC 6499 Screw Sheet Metal 8 x 1 2 Serrated PHTRH 101688 x3 Chain Guard HHC 6411 one N A Chin Assembly Left End HHC 6464 one N A Chin Assembly Right End HHC 6463 one N A Conveyor Belt Kit Single Left to Right HHC 6561 1 one N A Conveyor Belt Kit Single Right to Left HHC 6561 2 one N A Conveyor Belt Kit 50 50 Split Left to Right HHC 6661 1 one N A Conveyor Belt Kit 50 50 Split Right to Left HHC 6661 2 one N A Conveyor Belt Kit 70 30 Split Left to Right HHC 6662 1 one N A Conveyor Belt Kit 70 30 Split Right to Left HHC 6662 2 one N A Cover
63. embly HHC 6513 Plate Conveyor Drive Double HHC 6467 Plate Blower Motor Lower HHC 6405 Plate Blower Motor Upper HHC 6405 Plate Blower Mounting Lower HHC 6404 y Plate Blower Mounting Upper HHC 6404 Plenum Lower HHC 6565 2 Plenum Upper HHC 6565 1 Power Supply Domestic HHC 6501 Power Supply International 101211 Relay K3 24 VDC 20A 101274 Relay K4 Sealed 24 VAC 20A 101275 RTD Probe HHC 6517 Shield Gas Pipe HHC 6613 Shutter Inlet Air Blower HHC 6617 Smart Card Reader 100506 Spark Assembly 103623 Spark Assembly Wire 103574 Speaker 104155 v Sprocket 1 Bore 101906 Spur Gear 2 75 PD 1 2 inch Bore 101895 v Spur Gear 3 5 PD 5 8 inch Bore 101903 v Switch Momentary Mushroom Idle Button 102831 Thermostat 120F Close on Rise 102086 T Thermostat High Limit 102075 Top Outer Curved HHC 6482 Transformer Burner 102837 Tube Cooling Fan HHC 6374 Tube Flexible Gas 1 2 Inch 103628 gt Tube Flexible Gas 1 2 Inch with LP Orifice 1103633 Weldment Bracket Single Drive HHC 6557 Weldment Bracket Split Belt HHC 6309 SLN3NOdWOD N3AO DNIDY1d34 V XIGNdddV A 4 APPENDIX A REPLACING OVEN COMPONENTS To Replace This First Open or Remove This No Panel Right End Bell Left End Bell Back Panel Item Part Number Removal Page A 8 Page A 12 Page A 14 Required Page A 6 Weldment Shaft Internal Drive HHC 6306 Window
64. enetrate stains for five minutes Scrub the lower plenum assembly with a nylon scrub pad Rinse the lower plenum assembly with water and wipe it with a clean damp towel IN WARNING Be sure to THOROUGHLY remove all cleaner residue 1 8 CLEANING Step 12 Step 14 Step 12 Clean the Oven Interior Spray the bottom and sides of the oven interior with TurboChef Oven Cleaner to break apart any heavy stains Allow cleaner to penetrate stains for five minutes Scrub the oven interior with a nylon scrub pad Wipe the oven interior with a clean damp towel ZN WARNING Be sure to THOROUGHLY remove all cleaner residue Step 13 Reinstall the Oven Components Reinstall the lower plenum assembly if upper nozzle plate was cleaned reinstall now Reinstall the lower end panels Reinstall the conveyor and chain Reinstall the upper end panels Reinstall the chain guard filters and crumb trays Step 14 Clean the Oven Exterior Wipe the oven exterior and window with a clean damp towel The oven is ready to turn on Standard Oven Operation Figure 5 Oven Controls Oven Controls Figure 5 1 Display The display shows current oven operation and or user programming information 2 Soft Keys Six soft keys are on the oven controls three on the left L1 L2 L3 where L1 top and three on the right R2 R3 where top Press a soft key to select the option comman
65. enoid valve is 535 The modulating valve receives 0 1 10 VDC from the control board The resistance of the modulating valve is 44 2 The modulating valve has an adjustment shaft that adjusts the high and low flame pressure 27 Testing Procedure NOTE See page 3 for instructions on adjusting the high and low flame gas pressure 1 Disconnect line voltage from the unit 2 Take a resistance reading of both coils resistances should be 535k and 44 If resistance is incorrect the gas valve is damaged or defective and must be replaced page A 14 3 During warmup and cook mode apply line voltage to the unit and check for 24 VAC at the primary solenoid coil and 0 1 10 VDC at the modulating valve coil 4 If no voltage is present inspect the wire harness for damage or shorts page 45 5 Check for 24 VAC leaving the ignition module see Figure 35 page 28 6 If wire harness is intact and undamaged the modulating gas valve is damaged or defective and must be replaced Pipe and valve assembly page A 14 Ignition Module The ignition module generates 30 000 V at the spark igniter stud for direct ignition of the main burner when 24 VAC is applied The module senses the presence of the burner flame and discontinues the ignition spark If the burner fails to ignite within 6 seconds the module goes into safety lockout If the burner does not maintain 1 5 DC zA mini mum the timed trial for ignition 6 sec
66. eset speeds 18 0 0 Preset Speed 1 19 0 0 Preset Speed 2 20 0 0 Preset Speed 3 21 0 0 Preset Speed 4 25 0 Securty Setup 27 0 Power up keypad referance 29 no Load defaults 30 1 Ramp mode select 31 2 Stopping mode select 32 OFF Dynamic V to f select 33 2 Catch a spinning motor select 35 0 Terminal T4 output mode select 37 3 Maximum switching freq in kHz 39 600 Motor rated frequency 40 Auto Number of motor poles 41 Fd Voltage mode select 42 3 0 Low frequency voltage boost The rest are read only Commander SL EMERSON PROGRAM FOR 4 VERSION BLOWER COMBUSTION 90DEG 115VAC NATURAL GAS 06 0 5 Motor rated current 08 115 Motor rated voltage ALL OTHER PARAMETERS PER 3 VERSION Commander SL EMERSON PROGRAM FOR 6 VERSION BLOWER COMBUSTION 90DEG 115VAC PROPANE 01 20 0 Minimum set speed in Hz 06 0 5 Motor rated current 08 115 Motor rated voltage ALL OTHER PARAMETERS PER 3 VERSION Title HHC 3240 VFD SETTINGS EMERSON ACTECH Size Date Filename Number Rev HHC 6620 A APRIL 15 2008 47 VOVNVI SN SAGO H3TIOHLNOO 48 SCHEMATIC AUSTRALIA NEW ZEALAND
67. imit reset switch appendix 10 Burner compartment cover 11 Cooling fan tube 1 Air filter 11 75 x 7 5 298 mm x 190 mm 12 Air filter 9 x 3 25 228 mm x 83 mm 2 Idle button page 21 13 Cooling fan tube access thumb screw 3 Left end bell page A 12 14 Burner compartment cover access screws 4 Right end bell page A 8 15 Power cord and plug page ii 5 VFD display and keypad page 21 and A 8 16 Rating plate 6 Chain guard 7 Conveyor belt 3 4 2 1 5 A m o U 6 8 7 Figure 1 Oven Overview Front SS Q 92 6 pl IL NJ I Z dNLYVLS ANY SNOILVOI4JI23dS Figure 2 Oven Overview Rear SPECIFICATIONS AND STARTUP Certifications cULus GAS FIRED LISTED UL EPH FCC Gas Safety Certified TM E UA Y ANSIINSF 4 Gas Safety 81Y5 Certified AS4563 GAS FIRED Certification No GSCS20216 c UL us LISTED Dimensions With End Bells Closed Width 72 13 1832 mm Depth w window 55 25 1403 mm Depth w o window 52 85 1342 mm Height 19 00 483 mm With End Bells Open Width 87 53 2223 mm Depth w window 59 20 1504 mm Depth w o window 56 80 1443 mm Height 19 00 483
68. lace BMSC page 8 lower page 12 upper Replace BMSC page 8 Correct wiring lower A 12 upper or replace I O AF fault Temperature is too high in control board housing Check cooling system page BMSC or 41 Is the wiring connected properly blower motor it damaged Any other fault Check the BMSC blower motor and page A 8 Call technical support I O control board lower 12 A upper Figure 37 Motor Windings Resistance Table 31 DNILOOHSII1AINOUL 32 TROUBLESHOOTING Troubleshooting F2 LOW COOK TEMP Low Temp During Cook Restart the oven access the TEST MODE and turn on both the top and bottom blowers Are the status indi cators at location 6 7 8 and 9 present pages 18 19 4 YES Bee Are the nozzles and plenums Correctly reinstall the Ne correctly installed pages 7 8 nozzles and plenums steps 9 13 YES Open the right end bell Are the gas valve and RTD properly connected to the No Fix wiring connections I O control board page 45 YES y Is the gas line prop j erly connected i e no Fix connection crimps breaks or leaks YES Is the maximum and low fire gas pressure set correctly page 3 Reset maximum and L No fire gas pressure page 3 Is che damaged no
69. me attach the digital manometer to the upper tap of the gas valve Figure 4 Ensure that the pressure is no less than 6 W C 152 4 mmH O 14 94 mb and no more than 14 350 6 mmH O 34 87 mb Reattach the screw to the upper tap of the gas valve Confirming Proper Closure of all Taps Additional testing may be required always adhere to local gas codes and required methods of leakage testing in the immediate location refer to the regulations in force in the country in which the appliance is being installed The prevailing authority is the local code or regulations 1 Turn on the gas supply 2 Spray all gas connections with a soap solution If growing soap bubbles are observed a leak is present Immediately shut off the gas supply If no growth occurs the connections are intact Turn off the gas supply Cleaning Cleaning the Oven Supplies and Equipment Follow the steps below daily to help maintain TurboChef approved oven cleaner nylon scrub your HhC oven pad cleaning towels disposable gloves Daily Cleaning Procedures Step 1 Prepare the Oven Press the back off key page 9 to turn the oven off Ensure cooling down has completed CAUTION Injury can occur if oven is not allowed to cool properly before cleaning DO NOT attempt to clean until the cooling down message has disappeared Step 2 Remove and Clean the End Trays Remove both end trays Wash and rinse both end
70. n Figure 22 Use this mode to verify the belts work correctly The number after the belt speed shows the pulses read by the HES The percent age is the amount of drive being asked of the CMSC 100 10V To change the belt s setting Press L1 to turn the belts off Press L2 to access the belt F controls Press L3 to access the belt R controls Manipulating the Top and Bottom Blowers Figure 18 page 17 The user can change the speed of the top and bottom blowers independently To change the speed of the blowers 1 From screen 1 of the TEST MODE press R1 to access the top blower or R2 to access the bottom blower HEAT FULL LIGHT HEAT CTRL TCC 475F R2 HEATOFFD HEAT LOW D EC27 450F 45 100 23 9V 0 0V Figure 21 Burner Control Screen 2 Press the up or down keys to change the speed of the selected blower in 5 increments The percentage of air cannot go below 3096 or above 10096 Viewing the Status Indicators Figure 21 The status indicators are located at the bottom of TEST MODE screen 1 and the burner control screen The status indicators are split into two display lines Top Display Line The top display line shows values relating to oven components The letters a g below and on Figure 23 indicate the different top display line status indicators which are explained below a Shows which key is currently pressed U up key D down key a Ll b 12 c 13 f
71. nd 6599 4 None N A Replacing Items Multiple Panel Removal Required WARNING Before removing or replacing any oven component thoroughly read the safety instructions found at the front of this manual and Oven Systems pages 21 28 Adhere to all precautions and warnings outlined in these sections as failure to do so could result in serious injury or death CAUTION Before removing installing any component make sure it is disconnected from the wire harness where applicable Item Part Number Hardware Description Hardware Part Number s Wire Harness HV Main HHC 6598 1 None N A Wire Harness LOV Main HHC 6599 1 None N A SLNANOdWOD DNIDV Idd8 V XIGNdddV For service or information WITHIN NORTH AMERICA CALL Customer Service at 800 90TURBO or OUTSIDE NORTH AMERICA CALL 1 214 379 6000 or Your Authorized Distributor Global Operations 4240 International Pkwy Suite 105 Carrollton Texas 75007 usa 1 214 379 6000 PHONE 1 214 379 6073 rax Part Number HHC 6652 Revision F April 2012 Country Code NA EU Customer Support 1 800 90TURBO 1 214 379 6000 turbochef com
72. nect line voltage to the unit 2 Take a resistance reading of the K4 coil If coil resistance is correct 585 a Apply line voltage to the unit b Check for 24 VAC at the coil of the relay when the unit is calling for heat c Check the state of the contacts If the normally open contacts 7 amp 4 or C amp NO are closed and the normally closed contacts 7 amp 1 or C amp NC are open when coil voltage is applied the K4 relay is functioning normally If the normally open contacts 7 amp 4 or C amp NO are not closed and or the normally closed contacts 7 amp 1 or C amp NC are not open when coil voltage is applied the K4 relay is malfunctioning and must be replaced 4 If the coil resistance is incorrect replace the K4 relay page A 14 RTD The RTD is a resistance temperature detector used to detect the cavity temperature Testing Procedure 1 Disconnect the RTD from the I O control board 2 Place the RTD in a bowl of ice water for 2 minutes 3 Take a resistance reading of the RTD 4 If RTD resistance is not 100 Q RTD is defective and must be replaced NOTE Use Figure 29 page 24 to determine resistance readings at temperatures other than freezing Smart Card Reader The smart card reader allows the oven operator to load a menu firmware update from a smart card A menu that already exists in the oven can also be saved to a smart card For instructions see page 15
73. ng use only DO NOT initiate a burn in test unless expressly instructed by TurboChef To initiate a burn in test Press L2 Figure 19 page 17 on screen 2 of the TEST MODE The burn in test Figure 25 runs the oven for 45 minutes to ensure correct oven operation When the burn in test completes the burn in complete screen Figure 26 appears Press any key to send the oven to the COOLING DOWN MODE If the burn in test fails the applicable error code will appear and the oven will return to the COOLING DOWN or OVEN OFF MODE Erasing all Oven Settings To erase all oven settings and return the oven to the manufacturer defaults press L3 Figure 19 page 17 on screen 2 of the TEST MODE The oven will ask you to confirm this action Figure 27 press R3 to confirm or the back off key to cancel CAUTION Settings cannot be retrieved once the erase option is confirmed BREAKFAST TOP AIR 80 96 Burn In in Progress BELTF MINIC SET 5 00 OVEN TCC 475F 475F Time Left 42 37 BELT 3 20 100 AIR 100 96 BURN IN COMPLETE OVEN TCC 475F PRESS ANY KEY TO CONTINUE Figure 26 Burn In Passed Screen Clearing the Fault Counts To clear the fault counts reset all fault counts to 0 press R3 Figure 19 page 17 on screen 2 of the test mode The oven will ask you to confirm this action Figure 28 press R3 to confirm or the back off key to cancel CAUTION Fault counts cannot be retrieve
74. odule Terminal Differences Testing Procedure for Testing Flame Rectification Figure 35 1 Ensure the oven is in the off or cooling down mode page 10 2 Remove the flame signal ground wire from the ignition module 3 Connect a DC multipurpose meter that is able to read micro amps uA in series with the flame signal ground wire Connect the red meter lead to the free end of the flame signal ground wire Connect the black meter lead to the quick connect flame signal ground wire terminal on the ignition module 4 From the off or cooling down mode select a cooking profile to operate the oven burner 5 The reading must be above 1 5 DC uA and it must be steady The oven control system uses basic flame rectification to verify if a flame is present The micro amps must be greater than 1 5 DC uA If the reading is below 1 5 DC uA or is not steady remove the burner assembly and investigate the cause Look for a loose ignition sensor wire or defective sensor assembly Follow the troubleshooting steps outlined on pages 34 35 MULTIPURPOSE METER O RED BLACK Figure 35 Measuring Microamps Troubleshooting Overview of Troubleshooting This section contains information on the following Fault code descriptions Fault code troubleshooting Non fault code troubleshooting Fault Code Descriptions Fault codes are logged in a fault counter page 16 for troubleshooting Upon completing
75. onds is repeated and safety lockout occurs If safety lockout occurs power must be removed from the module before it can be restarted Testing Procedure NOTE The ignition module is different in domestic and international model ovens Figure 34 shows the differences in the terminal labels between the two models 1 Shut off the gas supply 2 Disconnect the wire spark cable from the stud terminal of the ignition module This will isolate the burner spark rod from the ignition module SWALSAS NJAO 28 OVEN SYSTEMS 3 Using a different wire spark cable ensure that the cable is not damaged in any way attach one end to the stud terminal of the ignition module 4 Touch the other end of the ignition cable to the ground terminal of the ignition module DO NOT remove the existing ground lead from the ignition module 5 Apply power to the ignition module 6 Before the ignition module goes into a safety lockout 6 seconds slowly move the end away from the ground terminal A spark length of 1 8 3 mm or more indicates good ignition voltage If there is no arc or the maximum spark length is less than 1 8 3 mm and the input voltage to the ignition module is 20 25 VAC the ignition module is damaged or defective and must be replaced page A 14 Domestic International 25 VAC TH W 25V V2 GND Alarm Not Used Valve V1 PV1 Valve V2 GND Ground V2 GND Figure 34 Ignition M
76. or 25 Blower Motor Speed Controller BMSC 25 The Burner System 26 Air Pressure Switch 26 Burner Transformer 26 Combustion Blower 27 Modulating Gas Valve 27 Ignition Module 27 Troubleshooting Overview of Troubleshooting 29 Fault Code Descriptions 29 Fault Code Troubleshooting 31 F1 Blower Fault 31 F2 Low Cook Temp 32 F3 No Flame 34 F5 CC Over Temp 36 F6 EC Over Temp 37 F7 RTD Fault 38 F8 High Limit Tripped 38 F9 Belt Fault 39 F10 Air Pressure Switch Fault 40 Non Fault Code Troubleshooting 41 Cooling System Issue 41 Food Not Cooking Properly 42 No Display 43 No Keypad Input 43 Schematics Schematic US Canada 45 Control Pinouts US Canada 46 Controller Codes US Canada 47 Schematic Australia New Zealand 48 Control Pinouts Australia New Zealand 49 Controller Codes Australia New Zealand 50 Appendix A Replacing Oven Components Comprehensive Part List 1 4 Replacing Items No Panel Removal Required A 6 Replacing Items Right End Bell 8 Replacing Items Left End Bell A 12 Replacing Items Burner Compartment Cover A 14 SLNILNOD HO 318VL SAFETY INSTRUCTIONS Important Safety Information Please Read First Improper installation adjustment alteration service or maintenance of this equipment can cause prop erty damage injury or death Thoroughly read the installation operating and maintenance instructions before installing or servicing this equipment Strictly adhere to the following safety inf
77. ormation to reduce the risk of Damage to the oven or property near the oven Personal injury including burns fire and electric shock General Safety Information Y This appliance is only for professional use by qualified people Y Use this appliance only for its intended uses as described in this manual v This appliance shall be installed as per AS5601 2010 Part 1 and any local codes and statutory regulations See the installation manual for instructions Y Only qualified service personnel should service this appliance Contact the nearest authorized service facility for examination repair or adjustment v Always ensure the oven is disconnected from the power supply before servicing repairing or adjust ing any components or parts x DO NOT place the cord near heated surfaces x DO NOT store or use flammable vapors or liquids e g gasoline in the vicinity of this appliance x DO NOT allow children to use this appliance x DO NOT place corrosive chemicals or vapors in this appliance It is not designed for industrial or laboratory use x DO NOT operate this appliance if it Has a damaged cord plug or gas hose Is not working properly Has been damaged or dropped x DO NOT cover or block any openings on this appliance x DO NOT store this appliance outdoors x DO NOT use this appliance near water x DO NOT immerse this appliance or any of its components e g cord plug etc in water x DO NOT let the cord hang o
78. ove and Clean the Crumb Trays Slide out and remove both crumb trays Wash and rinse both crumb trays then dry them with a clean towel Step 4 Remove and Clean the Filters Remove the filters both of which are located on the left side of the oven Wash and rinse both filters then dry them with a clean towel If a filter is torn or damaged replace with a new filter page A 2 for part number CAUTION DO operate the oven without the filters in place Step 5 Remove and Clean the Chain Guard Remove the guard that covers the conveyor drive chain Wash and rinse the chain guard then dry it with a clean towel Step 6 Remove and Clean the Upper End Panels Remove both upper end panels from each end of the oven Wash and rinse the upper end panels then dry them with a clean towel lower plenum assembly and upper nozzle plate Physical injury or damage to equipment can occur if the casters are not locked Step 7 Step 11 Step 7 Remove and Clean the Conveyor requires TWO people Position one person at each end of the conveyor Lift the conveyor assembly up and then towards the left side of the oven until the conveyor drive chain has enough slack for removal Remove the conveyor drive chain IN WARNING Never attempt to remove the conveyor with fewer than 2 people Lift the conveyor and push it through the right side of the oven for removal Wash rinse and dry the conveyor
79. pressure must be between 6 W C 152 4 eno Is ASS mm W C amp 14 W C 355 6 mm W C When unit is sparking YES NO YES Inspect clean lor if needed Reset the gas Check inlet gas Replace the replace the pressure connections and modulating burner page 3 supply gas valve assembly page A 14 page A 14 Does the burner trans Does the burner trans former have 24 VAC o_2former have line voltage ves transformer output page 26 applied to input page A 8 Is the gas Check the goo qe closing t ygs Wiring aes page 22 page 45 thermostat closed page A 14 Is 24 VDC Replace the NO d applied to thel vers K3 gas relay s the air pressure pas relay page A 8 switch closed E 4 Inspect or replace the SR high limit thermostat YES Check SCH WINDE Replace the I O A 14 page 45 No control board page A 8 NO Is voltage s the combustion s the air tube applied to the f blower running YES tightly connected Te B Check the wiring ower page 45 YES YES Replace the Replace the combustion Replace the hir pressure blower air tube switch page A 14 page A 14 che 100
80. r Wires To From Expected Resistance Primary Black White 240 VAC Input 28 1 Q Black Blue 240 VAC Input 5310 Black Red 240 VAC Input 6240 Secondary Yellow Yellow 0 80 Q Figure 33 Burner Transformer Ohm Chart The combustion blower is 3000 RPM 208 240 VAC 0 33 A 50 60 hz blower motor The winding resistance is 92 The combus tion blower receives line voltage 208 240 VAC from the K3 relay Once the combus tion blower reaches full speed the air pressure switch closes applying 24 VAC to the ignition module Testing Procedure 1 Disconnect line voltage from the unit 2 Take a resistance reading of the winding resistance should be 92 If resistance is incorrect the combustion blower is damaged or defective and must be replaced page A 14 3 Apply line voltage to the unit and check for line voltage 208 240 VAC applied to the winding when the unit is calling for heat and the K3 relay is closed 4 If no voltage is present inspect the wire harness for damage or shorts page 45 5 If the wire harness is intact and undamaged the combustion blower is damaged or defective and must be replaced page A 14 Modulating Gas Valve The modulating gas valve is a combination gas valve with a 24 VAC primary solenoid valve and 0 1 10 VDC modulating valve The primary solenoid valve receives 24 VAC from the ignition module The resistance of the primary sol
81. red from the display if the conveyor belt starts when initiating cooking Fault Code and Description When Active F9 Belt Fault F10 Air Switch Fault Figure 36 Fault Code Table F8 High Limit Tripped NOTE All fault codes except F2 and F9 will terminate cooking upon discovery Any fault that occurs will be logged in the in the fault count log page 16 except F6 Fault Code Troubleshooting From TEST MODE you can test separate oven components to help diagnose an issue access TEST MODE see page 16 Troubleshooting F1 BLOWER FAULT Blower Failure 6 Access the TEST MODE page 16 NO the status indicators at location 6 and 7 present pages 18 19 Check the I O control YES board and blower motor wiring page 45 Open Left End Dell Is fault code Open the Right End Bell a fault code Is the blower motor spinning freely Remove obstruction or if NO mecessary replace blower motor page A 8 lower YES 12 upper resistance measurements present on the present on the o rre 7 NO Replace the BMSC BMSC chassis agree with values on blower motos E windings an page A 8 NO YES YES NO YES Daun lower A 12 Y Y YES upper CF cF F1 or GF fault EPM mod ule is faulty Rep
82. rrent Rated motor power 208 GFL ouput i T CT of wire a eed e voltage HHC E 20 3 Long Label Current value De amp ult Value celeration 2 ramp time Fc cele ration ramp time Automatic DC injection Configuration of All Puto matic start CFG Std motor fre gen Macro config selection 2 Motor parameter choice wot Cos NCR Motor 1 Cosinus Phi Motor current detection DEC ramp tire Nomina motor current NPR Rated motor power Type of 2 cortml Max output feguerc Norrind motor wot Conigurtion of All ATR Automate m start BFR Std motor fe quenc cas Motor 1 Cosinus Phi Decaera on ramp time FLR Catch a spinning load FON stat 3 Motor freg threshold HS P High Speed NCR Nominal motor current TFR output tegue nity UNS Nominal motor woltag e DY Title HHC 3240 VFD SETTINGS ALTIVAR ACTECH 4 Number HHC 6634 Date 3 27 12 Drawn by Size Filename Sheet Appendix A Replacing Oven Components Replacing Oven Components WARNING Before removing or replacing any oven component thoroughly read the safety instructions found at the front of this manual and Oven Systems pages 21 28 Adhere to all precautions and warnings outlined in these sections a
83. ruction NO Remove the cooling fan Is the cooling fan tube page 1 thermostat closed page 23 Is chere an obstruction Is line voltage applied 208 240 IVAC to the page A 12 cooling fans NO Replace the cooling fans 3 Check the page A 12 wiring for problems page 45 41 ONILOOHSI19NOYL 42 TROUBLESHOOTING Troubleshooting Food Not Cooking Properly Does the problem occur for Has the oven been cleaned all programmed recipes For RENO 5 or moved prior to the problem starting Was the oven YES YES NO example are all recipes under cooked overcooked etc T T Ensure nozzles and YES NO plenums are correctly Are there any fault 5 the food item in the installed Ensure the gas is codes present correct starting state connected correctly page 29 30 e g frozen fresh etc Does the problem and adjust the gas renam pressures if needed y page 3 Troubleshoot the Ensure the m s fault s using the food item is Y Does the problem steps on pages being proper Operate the remain 51 40 ly stored pre oven normally pared before YES cooking re the conveyor motors CMSCs blowers BMSCs burner and com bustion blower
84. s page 45 If wire harness is intact and undamaged the CMSC is damaged or defective and must be replaced AAA Aa e PS men ose nen nom m2 rsa nz omo Cee ae ae oe ea oe Dm nee rien essi isan asain rom oe seva es Figure 29 Temperature Resistance Relationship Class B Resistance 0 C 100 0 Alpha 0 003850 Black Brown or indings to Figure 30 Conveyor Motor Ohm Chart Accessing Parameters IN WARNING DO NOT perform this procedure unless instructed by TurboChef Changing the parameters to other than those preset by TurboChef can damage critical oven components NOTE Motor Rated Speed 07 is RPM of motor before gearbox not after 1 Open the right end bell page 1 2 Locate the CMSC page A 8 3 Press the key 4 Use the Wand amp keys to navigate the parameters 5 Press the key to access the parameter shown on the CMSC display 6 Use the Wand Y keys to manipulate the parameter 7 Press the key to return to the parameter selection 8 Repeat steps 4 7 to manipulate other parameters as needed The Blower System This section contains information about and testing procedures for the following components Blower Motor Blower Motor Speed Controller BMSC Blower Motor The main blowers are 3400 RPM 3 phase blower motors The speed of the blower motor i
85. s controlled by the voltage frequency applied to the motor windings from the blower motor speed controller BMSC Testing Procedure 1 Disconnect line voltage from the unit 2 Take a resistance reading of the motor 25 windings and use Figure 31 to verify the resistance readings are correct 3 If the resistance readings are correct reconnect motor wiring and then apply line voltage to the unit and check for voltage applied to the motor windings 4 If no voltage is present ensure the BMSC is operating properly see below 5 If BMSC is operating properly inspect the wire harness for damage or shorts page 45 6 If wire harness is intact and undamaged and the BMSC is operating properly the blower motor is damaged or defective and must be replaced page A 8 lower 12 upper Blower Motor Speed Controller BMSC The BMSC converts single phase line voltage 208 240 VAC to a three phase output The speed of the blower motor is controlled by the frequency output of the BMSC The BMSC receives an input voltage 0 10 VDC from the I O control board and adjusts the frequency output to the blower motor Testing Procedure ZACAUTION Capacitors on the BMSC may retain charge after power is removed To discharge capacitors for further safety short B and B together ZNWARN ING DO NOT connect incoming AC power to output terminals U V or W or terminals B or B This will seriously damage the BMSC 1
86. s failure to do so could result in serious injury or death To Replace This First Open or Remove This No Panel Right End Bell Left End Bell Back Panel Item Part Number Removal Page A 8 Page A 12 A 14 Required Page A 6 Air Pressure Switch 102836 y Blower Motor Lower HHC 6520 Y Blower Motor Upper HHC 6520 Y Blower Motor Controller BMSC Lower 103580 T Blower Motor Controller BMSC Upper 103580 Blower Wheel Lower 103567 v Blower Wheel Upper 103567 Bolt Retainer Bracket HHC 6426 v Bracket CMSC HHC 6606 Bracket Dual Fan Mounting HHC 6371 Bracket EMI Filter HHC 6342 y Bracket Gear Drive Controller HHC 6465 Bracket Thermostat HHC 6390 Burner Assembly HHC 6468 Cable Display Power 2 100193 Cable Display Ribbon 100184 Cable Smart Card Reader 103023 T Caster 102799 Catch Slotted Eyebrow HHC 6499 6411 Chin Assembly Left End HHC 6464 Chin Assembly Right End HHC 6463 Clamp Conduit 1 2 Nominal Zinc 103632 Collar 5 8 inch Shaft 100257 Combustion Motor 90 103620 Combustion Motor Inline 103656 Combustion Motor Controller 90 Nat Gas HHC 6630 3 Combustion Motor Controller Inline Nat Gas 6630 4 Combustion Motor Controller 90 Propane 6630 5
87. t wiring ribbon cable is NO d d replace th ribbon cable OK E uS P page 45 Replace the power 6 Ji supply page A 8 Is 5 VDC present on pin Replace the I O con the J3 connector page 45 No 01 board page 8 YES Replace the display and ribbon cable page A 8 Check wiring from the power supply to the control board Correct wiring if necessary page 45 Replace the fuses page 8 Le wo lt No NO Is the 24 VDC power supply receiving power YES output 24 VDC Is the power supply YES Verify 5 ot is present on pin 1 of the J3 connector page 45 not replace the control board page A 8 Troubleshooting No Keypad Input Replace the keypad page A 8 If the problem persists or if beeps occur when buttons are pressed but commands do not reg ister on the display replace the control board page A 8 ygs the keypad cable properly connected NO to the control board Correct wiring 43 ONILOOHSIAIGNOYUL 44 TROUBLESHOOTING This page intentionally left blank Schematics 5 d 4 3 PT HHc 6620 4 1 REVISIONS NOTES 1 CONVEYOR AND COMBUSTION BLOWER DRIVES ARE IDENTICAL THE ONLY DIFFERENCE IS FE THE PROGRAMMING THE DRIVE 103581 CAN BE C PROGRAMMED
88. the service call and restoring successful operation of the oven the technician should clear all faults see page 20 F1 Blower Failure This fault is displayed if for three consecutive times the control board does not receive the status OK signal from the BMSC The fault is cleared from the display if the blowers successfully restart upon starting a cook cycle or in TEST MODE F2 Low Temp During Cook The oven will emit a beeping noise and display this fault if the cook cavity temperature falls 25 F 14 C below the current cooking profile s set temperature and the fault will be logged in the fault counter The fault is cleared from the fault display if the cook cavity temperature returning to within 25 F 14 C of the set cooking temperature during cooking or in TEST MODE F3 Flameout This fault is displayed if the flame fails to light three consecutive times at startup or once the oven reaches the cooking temperature the flame goes out and fails to re light three consecutive times The fault is cleared from the display if the flame succeeds to light when the user re selects the cooking profile F4 Emergency Stop This fault is displayed when the emergency stop key is pressed This fault acts as a counter that logs how many times the emergency stop key page 9 has been pressed The fault is cleared from the display once the oven is restarted F5 CC Over Temp This fault is displayed if th
89. tion Motor Controller 90 Propane HHC 6630 5 Screw 8 x 3 8 Sht Mtl PPHD Type A SS 101696 x4 Nut 10 32 Serrated Hex Flange SS 100903 x4 Combustion Motor Controller Inline HHC 6630 6 Screw 8 x 3 8 Sht Mtl PPHD Type A SS 101696 x4 Propane Nut 10 32 Serrated Hex Flange SS 100903 x4 Cover Blower Insulation Upper HHC 6367 See Blower Motor hardware See Blower Motor Fan Cooling Lower 100083 Standoff 10 32 x 1 50 Lg 3 8 Hex Stl Zn Plt 101927 x3 to fan Washer 10 Flat SS 102140 x3 to bracket Washer 10 Split Lock 102350 x3 to bracket Screw 10 32 x 2 5 Lg Hex Head SS 101384 x3 to bracket Fan Cooling Upper 100083 Standoff 10 32 x 1 50 Lg 3 8 Hex Stl Zn Plt 101927 x3 to fan Washer 10 Flat SS 102140 x3 to standoff Washer 10 Split Lock 102350 x3 to standoff Screw 10 32 x 2 5 Lg Hex Head SS 101384 x3 to standoff Heat Slinger Blower Upper 102708 See Blower Motor hardware See Blower Motor Plate Blower Motor Upper HHC 6405 Screw 1 4 20 x 50 Hex Serrated Washer Head SS 101394 x4 Spacer Blower Motor NGC 1022 x4 Plate Blower Mounting Upper HHC 6404 Screw 1 4 20 x 50 Hex Serrated Washer Head SS 101394 x4 Spacer Blower Insulation Cover HHC 6366 x4 Switch Momentary Mushroom Idle Button 102831 None N A Thermostat 120F Close on Rise 102086 Screw 6 32 3 8 Sht Mtl Drill Point PPHD Zinc 101684 x2 Wire Harness Cooling Fan HHC 6598 2 None N A
90. tor wiring and then apply line voltage to the unit and check for voltage applied to the motor windings 4 If no voltage is present ensure the is operating properly see below 5 If CMSC is operating properly inspect the wire harness for damage or shorts 6 If the wire harness is intact and undamaged and the CMSC is operating properly the gear drive is damaged or defective and must be replaced page A 8 Gear Drive Conveyor Motor Speed Testing Procedure IN WARNING Capacitors within the CMSC can retain charge after power is removed Exercise extreme caution when handling the terminals ZN WARNING DO NOT connect incoming AC power to output terminals U V or W This will seriously damage the Conveyor Motor Speed Controller 1 Ensure that no faults appear on the display of the CMSC during oven operation The control will display the frequency output if the system is operating correctly 2 Check the input voltage on terminals L1 amp Controller CMSC L2 and the DC voltage input on terminals OV amp AI 0 1 10 VDC Check ohms of motor Figure 30 The CMSC converts single phase line voltage to a three phase output The speed of the gear 3 drive is controlled by the frequency output of the CMSC The CMSC receives an input voltage 0 10 VDC from the control board and adjusts the frequency output to the gear 5 drive 4 If no voltage is present inspect the wire harness for damage or short
91. ver the edge of a table or counter x DO NOT work near the appliance with long hair loose clothing or dangling jewelry x DO NOT spray aerosols in the vicinity of this appliance while it is in operation Preventing Oven Damage TurboChef does not recommend periodic preventative maintenance for this appliance other than regular cleaning see pages 5 8 and servicing when a fault code or other problem is present v When servicing this appliance do not tear insulation to get to components Rather find the edge of the insulation and remove the tape that holds it in place Y Clean the oven daily page 5 Y Clean the oven only with TurboChef approved cleaner x DO NOT clean with a water jet x DO NOT slam or mishandle the oven window x DO NOT frequently open and close the window to check the cook status of the food x DO NOT allow cleaning solution or water to remain in the cook cavity longer than necessary Reducing Fire Risk If materials inside the oven ignite or if smoke is observed 1 the oven window closed 2 Turn off the oven 3 Disconnect the power cord or shut off power at the fuse circuit breaker panel Y Carefully attend the oven if paper plastic or other combustible materials are placed inside the oven to facilitate cooking x DO NOT leave items in the cook cavity when the oven is not in use x DO NOT cook items wrapped in cling wrap or plastic film x DO NOT overcook food x DO NOT store or use g
92. word should change in Production Pram Setting Note 01 0 0 Minimum set speed in Hz 02 120 Maximum set speed in Hz 03 0 0 Accelleration rate in sec 100Hz 04 0 0 Decelleration rate in sec 100Hz 05 Drive confguration 06 0 17 Motor rated current 07 1550 Motor rated speed Note RPM of motor not output 08 208 Motor rated voltage 09 0 73 Motor power factor 10 OPEn Parameter access 11 0 Start Stop logic 15 0 0 Jog referance 17 OFF Enable negative prreset speeds 18 0 0 Preset Speed 1 19 0 0 Preset Speed 2 20 0 0 Preset Speed 3 21 0 0 Preset Speed 4 25 0 Securty Setup 27 0 Power up keypad referance 29 no Load defaults 30 1 Ramp mode select 31 2 Stopping mode select 32 OFF Dynamic V to f select 33 2 Catch a spinning motor select 35 0 Terminal T4 output mode select 37 3 Maximum switching freq in kHz 39 60 0 Motor rated frequency 40 Auto Number of motor poles 41 Fd Voltage mode select 42 3 0 Low frequency voltage boost The rest are read only Commander SL EMERSON PROGRAM FOR 2 VERSION Conveyor Motor BGFM12 240TC2NX SMALL FRAME 06 0 15 Motor rated current 07 1610 Motor rated speed RPM of motor not gearbox 09 0 63 Motor power factor ALL OTHER PARAMETERS PER 1 VERSION Control Techniques Commander SL EMERSON Burner Blower In line 230VAC NATURAL GAS 3 VERSION Passward 0 Stock password should change in Production Pram Setting Note 01 0 0 Minimum set sp

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