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WIRING DIAGRAM GCCO-PT

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Содержание GCCO-T

Страница 1: ...uring Company 6500 Merrill Creek Parkway Everett WA 98203 Phone 1 800 224 5264 Fax 1 425 349 2733 www langworld com Copyright 2000 Service Manual for the Lang Models GCCO T GCCO AP GCCO SII GCCO C GCC...

Страница 2: ...IPMENT DESCRIPTION 5 4 INSTALLATION 7 5 START UP 10 6 CONTROL PANEL LAYOUT 11 7 PROGRAMMING TERMS 17 8 PROGRAMMING 18 9 GENERAL OPERATION 28 10 TYPICAL OPERATION 30 11 SEQUENCE OF OPERATION 33 12 TROU...

Страница 3: ...cable National State and locally recognized installation standards WARNING THIS APPLIANCE IS EQUIPPED WITH A 3 PRONG GROUNDING PLUG FOR YOUR PROTECTION AGAINST SHOCK HAZARD AND MUST BE PLUGGED DIRECTL...

Страница 4: ...zer in contact with stainless steel surfaces longer than 10 minutes Longer contact can cause corrosion NOTICE Service on this or any other LANG appliance must be performed by qualified personnel only...

Страница 5: ...eel OPERATION The GCCO oven is a forced air convection oven with a vented oven cavity The air is driven by a 1 3 HP fan motor CONTROLS The GCCO is available either with the Lang Accu Temp GCCO T Accu...

Страница 6: ...Part Memory capabilities allow operators to recall the last daily selections automatically Programmable up to 99 products advanced baking capabilities include a 12 59 59 timer with ten tiers Independe...

Страница 7: ...ently lift the oven rear remove the leg set to support the oven center and install it on the last rear corner To install the 6 inch legs or casters attach the leg or caster to the leg supports supplie...

Страница 8: ...hat is resistant to the action of liquid petroleum gas must be used The supply piping must be of sufficient size to provide 55 000 BTU hr per oven A 1 2 inch NPT connection is provided at the rear of...

Страница 9: ...n making sure that the orifice goes into the burner tubes 15 Re attach 3 8 aluminum pipe to black manifold assembly 16 Remove the seal screw from the combination gas valve 17 Remove the adjustment scr...

Страница 10: ...tual temperature at 350 F ________ F Note Install thermocouple wire in center of oven cavity Let oven cycle off and on 3 times before recording temperature Set manual program in the computer for 350 F...

Страница 11: ...nspect product Switch will automatically return to the off position Pulse fan switch Pulse fan setting will only turn the fan on when the oven is calling for heat Dual speed switch Toggles the fan bet...

Страница 12: ...pect product Switch will automatically return to the off position Pulse fan switch Pulse fan setting will only turn the fan on when the oven is calling for heat Dual speed switch Toggles the fan betwe...

Страница 13: ...for heat Dual speed switch Toggles the fan between high and low speed Cook N Hold switch Oven will automatically drop to 140 F when oven timer stops timing down LED Display Adjustment Arrows Adjusts...

Страница 14: ...Button Used to tell the oven which shelf the product is on Power Switch LED Display Read Clear Button Used as a programming key Temperature Button Press at any time to display oven temperature Manual...

Страница 15: ...ition AlphaNumeric Display Shelf Select Button Press to select shelf which product will be placed Product Select Button Press to select desired product Manual Program Button Use when product being coo...

Страница 16: ...row down button Allows you to scroll down Function keys Keys are active when a program option is displayed on display Cancel button When scrolling through menu s this will allow you to back up to the...

Страница 17: ...isplay will revert to the previous readout Programming Terms Cooking Curve Cooking curve is a function of the computer that controls the cooking time If the temperature of the oven is lower than the p...

Страница 18: ...50 F NOTE Entering 000 will erase the existing program CC0 7 Select the desired cooking curve from 0 7 Fano12 Enter a desired Fan setting 0 nofan Will make the fan pulse with the heat 1 fanonhi Will m...

Страница 19: ...g to the programmed temperature rEAdY A product has been selected and the oven has preheated to the programmed temperature The oven is ready to load a product COOL The oven s internal temperature is b...

Страница 20: ...call for pressing exactly what is shown under PRESS CODE DESCRIPTION PRESS OPERATIONAL Recall time remaining on a shelf Shelf Cancel a shelf timer R C R C Shelf DISPLAY MODES Countdown timer display R...

Страница 21: ...R COOKING TIME HR MIN SEC NOX T1 XXXF CO Enter the cooking time and then press E to advance to the next screen ENTER COOKING CURVE 0 TO 100 NOX T1 XXXF CXX XX XX XX PXXX F XX Enter the desired cooking...

Страница 22: ...OMPUTER TIME DATE TEMP STATUS Step 3 Select PROGRAM COMPUTER 12 00 01 01 01 325 PROGRAM ACTION DISPLAY Step 4 Using the and arrows enter access code A B C D E F Press or to scroll through letters and...

Страница 23: ...CREATE NEW PRODUCT EDIT PRODUCT DELETE PRODUCT EDIT PRODUCT ACTION DISPLAY Step 7 SELECT PRODUCT ICON is the first screen when creating a product program Press until you find an icon that best resemb...

Страница 24: ...ursor to the next space and select a new number The screen will automatically advance after you enter the last number EXAMPLE 320 Press three times for a 3 then select ENTER to advance the cursor Pres...

Страница 25: ...for a 8 Select ENTER to advance the cursor Since 0 is the next number select ENTER to advance to the next screen ACCEPT ENTER ACTION DISPLAY SELECT FAN SPEED HIGH LOW USE KEYS TO SELECT APPLE TIER 1...

Страница 26: ...e to advance the cursor one space then press eight times for a 8 Select ENTER to advance the cursor Since 0 is the next number select ENTER to advance to the next screen ACCEPT ENTER ACTION DISPLAY CO...

Страница 27: ...teps 6 14 to program second tier ACCEPT ENTER ACTION DISPLAY Step 16 After programming the last tier select NO when asked CONTINUE TO NEXT TIER the computer will automatically advance the screen to pr...

Страница 28: ...ng should be done with the vent closed Open the vent only with high moisture products to avoid seepage around the front of the door Always weigh your product This will give you a more consistent size...

Страница 29: ...29 GENERAL CONT D ONE PAN TWO PAN THREE PAN FOUR PAN FIVE PAN...

Страница 30: ...es and allow to preheat up to 20 minutes Oven begins heating Open oven doors and insert product set timer up to 60 minutes Timer begins counting down Timer beeps continuously when done Product should...

Страница 31: ...sponds to flashing shelf button s GCCO PP TYPICAL OPERATION SEQUENCE ACTION RESULT Turn power switch to ON Control panel comes on display says SELECT PRODUCT OR READ CLEAR TO PROGRAM Press a product b...

Страница 32: ...t to Icon desired Display says Preheating to XXXF Beeper sounds briefly Display says Ready Select Product to start Display shows possible product selection for that temperature Select Product to start...

Страница 33: ...pulse switch centrifugal switch and over temperature thermostat Main burner ignites SEQUENCE OF OPERATION GCCO AP Power switch turned to ON position Power to oven light switch 120 24 volt transformer...

Страница 34: ...4 Johnson Control and Sens Channel products 24 volts from pin 3 Johnson Control and MV Channel products to isolation transformer 24 volt isolation transformer energizes 24 volts to pins 1 and 2 of ci...

Страница 35: ...of back up toggle switch Back up toggle switch OFF Circuit 1 24 volts across D and TP4 TP5 and TP6 24 volts to motor relay through door switch Motor centrifugal switch closes Circuit 2 24 volts to te...

Страница 36: ...VAC across JP12 and C 24 VAC across motor relay coil Motor relay closes 120 VAC to motor Motor starts 24 VAC across MV to ground on spark module 24 VAC across JP 2 to C 24 VAC to MV on combination val...

Страница 37: ...f Check for pilot burner orifice blockage Clean and repair as necessary Perform trial ignition as described in above section Replace gas valve If 24 VAC is not measured Check for 24 VAC at PV on spark...

Страница 38: ...ective Motor relay Confirm that motor relay is getting power Check motor relay for normal operation 24 VAC 39 Defective Motor Confirm that motor is getting power Check motor for normal operation HIGH...

Страница 39: ...ff Check for pilot burner orifice blockage Clean and repair as necessary Perform trial ignition as described in above section Replace gas valve If 24 VAC is not measured Check for 24 VAC at PV on spar...

Страница 40: ...AC 39 Defective Motor Confirm that motor is getting power Check motor for normal operation HIGH P1 T7 T4 LOW P1 T9 NO HEAT NOTE The motor needs to be operational before the oven will start heating PRO...

Страница 41: ...off Check for pilot burner orifice blockage Clean and repair as necessary Perform trial ignition as described in above section Replace gas valve If 24 VAC is not measured Check for 24 VAC at PV on spa...

Страница 42: ...nt Check motor relay for normal operation 24 VAC 35 Check door switch for normal Check motor for normal operation See Technical Data NO HEAT NOTE The motor needs to be operational before the oven will...

Страница 43: ...verride switch for normal operation Check wires for any shorts Gas supply turned off Turn gas supply on and check for proper gas pressure 5 water column for natural gas and 10 water column for propane...

Страница 44: ...he primary coil and 1 on the secondary coil Turn unit back on and check primary coil for 120 VAC and secondary for 24 VAC Replace transformer Igniter continues to spark after pilot is lit Check pilot...

Страница 45: ...at TP1 and present but low at TP2 unplug both ribbon connections from CPU and re measure at TP2 If voltage remains low at TP2 replace CPU 40102 311 If voltage at TP2 increased to 5 VDC when ribbon was...

Страница 46: ...Motor contactor not energized Check for 24 VAC at contactor or relay coil If 24 VAC is not measured Turn oven off and Check door switch for normal operation Check door switch for continuity Replace or...

Страница 47: ...ial ignition and look and listen for spark Attempt to light the pilot burner If the burner does not ignite after 30 seconds cycle power and repeat trial ignition The pilot may require several trials f...

Страница 48: ...ith sensor Check sense wire for 12 to 13 amps on spark module Johnson Control spark modules use 4 terminal and Channel spark modules use sense terminal Turn oven off and check sense wire for continuit...

Страница 49: ...emperature rapidly descends If temp does descend rapidly replace ribbon cable Check to see that contactors relays are not stuck in the closed position Replace contactor if defective Check for foreign...

Страница 50: ...ve Ignition output Check for 24VAC at JP1 to Common C If no voltage is present CPU is operating properly If voltage is present Output has failed Defective component transformer Confirm that 208 240VAC...

Страница 51: ...e Control Transformer Confirm that 208 240VAC is feeding primary coil Confirm that 24VAC and 12VAC is at JP40 24VAC across solid yellow wires and 12VAC from one solid yellow wire to yellow with red st...

Страница 52: ...il Defective motor relay Check for 24VAC at relay coil If no voltage is present Confirm that points are making If voltage is present Replace relay Defective motor Check for 120VAC across P1 and T7 T4...

Страница 53: ...he spark modual to ground If no voltage is present Confirm that pilot is lit Replace as necessary If voltage is present Check thermostat for normal operation Defective Thermostat Confirm that thermost...

Страница 54: ...r heat If no voltage is present Board is operating correctly If voltage is present Replace CPU ANOMALIES PROBABLE CAUSE CORRECTIVE ACTION Display will intermittently blank out Check ribbon cable for g...

Страница 55: ...k switch between COM common and NO normally open contacts insure switch closes approximately 3 to 4 inches before door closes BLOWER FAN Blower fan will rotate clockwise and should have a 5 8 gap betw...

Страница 56: ...5 000 55 000 One 1 2 NPT One 120 VAC 7 1A 500 LBS 5 10 2GCCO 110 000 110 000 Two 1 2 NPT Two 120 VAC 7 1A 1000 LBS 5 10 GCCO XD 60 000 60 000 One 1 2 NPT One 120 VAC 7 1 A 575 LBS 5 10 2GCCO XD 120 00...

Страница 57: ...0 1054 2 11 180 709 1 42 400 1072 2 14 190 724 1 45 410 1090 2 18 200 739 1 48 420 1109 2 22 210 754 1 51 430 1127 2 25 220 769 1 54 440 1146 2 29 230 785 1 57 450 1165 2 33 240 800 1 60 460 1184 2 37...

Страница 58: ...must change the arrangement of the Strapping Bars located at the bottom of the circuit board just above the ribbon connection Each model has its own strapping configuration which must be set by the s...

Страница 59: ...59 TECHNICAL DATA CONT D GCCO C TEST POINT LAYOUT TP 2 TP 1 TP 3 TP 4 TP5 TP6 TP7...

Страница 60: ...YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW GREEN GREEN GREEN GREEN GREEN POWER ORANGE MOTOR HIGH RED MOTOR LOW BLUE STEAM GREEN ECCO GCCO LIGHTS GREEN YELLOW YELLOW RED YELLOW BROWN BROWN PURPLE PLUS...

Страница 61: ...61 WIREING DIAGRAM GCCO T...

Страница 62: ...62 WIRING DIAGRAM GCCO AP...

Страница 63: ...63 WIRING DIAGRAM GCCO SII...

Страница 64: ...64 WIRING DIAGRAM GCCO C...

Страница 65: ...65 WIRING DIAGRAM GCCO PP...

Страница 66: ...66 WIRING DIAGRAM GCCO PT...

Страница 67: ...Glass 31604 01 Oven Lamp Lens Gasket 31604 02 Probe Pilot Flame Sensor 41100 07 Turnbuckle Assembly 50312 02 Door Left Hand 51100 45 Door Right Hand 51100 46 Panel Label Before A 90068 60301 91 Panel...

Страница 68: ...250 Volt 31603 09 Oven Lamp Lens Watch Glass 31604 01 Oven Lamp Lens Gasket 31604 02 Circuit Board Temperature Control 40101 19 Probe Pilot Flame Sensor 41100 07 Probe Temperature Sensor 41100 08 Turn...

Страница 69: ...ht Hand 51100 46 Panel Label Before F 90068 60301 58 Panel Label 2 Speed Fan Before F 90068 60301 73 Panel Label After H 90069 60301 102 Door Handle Assembly Single Handle Oven 70603 15 Window Assembl...

Страница 70: ...dle 11 1 2 Long Black T Style Double Handle Ovens 50800 12 Turnbuckle Assembly Single Handle Ovens 50312 02 Door Left Hand Single Handle Ovens 51100 45 Door Right Hand Single Handle Ovens 51100 46 Pan...

Страница 71: ...00 59 Turnbuckle Assembly 50312 02 Door Left Hand 51100 45 Door Right Hand 51100 46 Panel Label Purple Plus 60101 881 Valve Manual Main Water Supply Steam Units 70400 02 Valve Manual Water Supply Stea...

Страница 72: ...200 59 Turnbuckle Assembly 50312 02 Door Left Hand 51100 45 Door Right Hand 51100 46 Panel Label Platinum 60101 882 Valve Manual Main Water Supply Steam Units 70400 02 Valve Manual Water Supply Steam...

Страница 73: ...73 THIS PAGE INTENTIONALLY LEFT BLANK...

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