Lang GCCO-C Service Manual Download Page 70

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PARTS LIST GCCO-C

DESCRIPTION

PART NO.

Motor 1/3 HP 115/230 Volt with Momentary Switch (Before X-90068)

30200-15

Motor 1/3 HP 115 Volt 2 Speed (After V-90069)

30200-35

Switch Micro Convection Oven Door

30301-02

Switch Toggle On-Off

30303-06

Switch Toggle Spring Return

30303-16

Thermostat Safety 490

F Open (After G-70469)

30401-09

Thermostat 450

F Oven

30402-27

Terminal Block 24 Position Quick Disconnect

30503-01

Relay 24 VAC

30600-04

Contactor 2 Pole 24 VAC (Before X-90068)

30701-04

Contactor 2 Pole 30 Amp 24 VAC (After V-90069)

30701-05

Power Cord with Molded Plug

31107-02

Cable Ribbon Assembly (After G-70469)

31110-01

Transformer 115/24 VAC

31400-07

Transformer 115/12 VAC

31400-21

Lamp Socket

31602-04

Lamp Incandescent 250 Volt Clear

31603-09

Oven Lamp Lens (Watch Glass)

31604-01

Oven Lamp Lens Gasket

31604-02

Circuit Board Assembly Buzzer (After G-70469)

40102-10

Circuit Board Front Panel (After G-70469)

40102-20

Circuit Board Microprocessor (After G-70469)

40102-44

Circuit Board Upgrade Kit (Before G-70469)

60101-53

Probe Pilot Flame Sensor

41100-07

Probe Temperature Sensor

41100-08

Door Handle 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

Panel Label, Purple

60301-42

Valve Manual Main Water Supply (Steam Units)

70400-02

Valve Manual Water Supply (Steam Units)

70402-08

Valve Solenoid 24/60V Water Supply (Steam Units)

70403-01

Regulator Water Supply (Steam Units)

70404-01

Handle Assembly, Single Handle Oven

70603-15

Knob Thermostat 450

F Oven

70701-17

Window Assembly, Oven Door

71301-04

Blower Wheel

71500-05

Blower Wheel (Steam Units)

51100-57

Orifice Water/Steam #60 DRL (Steam Units)

80405-01

Burner “U” Tube Steel

80002-05-1

Pilot Burner Assembly

80201-14

Pilot Tube

60102-1381

Module Spark Ignitor NG (Before G-70469)

80300-04

Module Spark Ignitor LP (Before G-70469)

80300-05

Module Spark Ingitor NG & LP (After G-70469)

80300-08

Orifice Main Burner .0890 #43 DRL NG

80400-13

Orifice Main Burner .0595 #53 DRL LP

80400-14

Orifice Pilot Burner .010 DRL LP

80401-05

Orifice Pilot Burner .018 DRL NG

80401-10

Valve Combination Gas 24 VAC NG (Before X-87440)

60101-63

Valve Combination Gas Conversion Kit NG to LP (Before X-87440)

80505-07

Valve Combination Gas 24 VAC NG (After X-87441)

80505-10

Valve Combination Gas Conversion Kit NG to LP (After X-87441)

80505-11

Summary of Contents for GCCO-C

Page 1: ...turing 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 GCCO PP GCCO PT ...

Page 2: ...UIPMENT 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 TROUBLESHOOTING 37 13 TECHNICAL DATA 55 14 WIRING DIAGRAMS 61 15 PARTS LIST 67 ...

Page 3: ...icable 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 DIRECTLY INTO A PROPERLY GROUNDED 3 PRONG RECEPTACLE DO NOT CUT OR REMOVE THIS GROUNDING PRONG FROM THE PLUG WARNING CONVECTION OVENS INSTALLED WITH CASTERS MUST HAVE THE FOLLOWING A CONNECTOR THAT COMPLIES...

Page 4: ...izer 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 Consult your authorized service station directory or call the factory at 1 800 224 LANG 5264 or WWW LANGWORLD COM For the service station nearest you WARNING BOTH HIGH AND LOW VOLTAGES ARE PRESENT IN...

Page 5: ...teel 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 Plus GCCO AP Selectronic GCCO SII Purple Computer GCCO C Purple Plus Computer GCCO PP Platinum Computer GCCO PT GCCO T Easy to use manual control knobs Pulse and two speed fan GCCO AP Easy to use man...

Page 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 Independent Shelf Timer for each Shelf Load Control through use of Cooking Curves Shelf Compensation Timing for uniform baking Dual speed fan ...

Page 7: ...Gently 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 supplied in the oven by following the instructions in the box then attach the leg support to the oven The adjustable feet on the bottom of each leg may be screwed in or out as necessary to level the oven A ...

Page 8: ...that 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 the oven directly behind the control compartment Connect each oven separately A gas shut off valve must be installed to the oven s and located in an accessible area This appliance and its individual ...

Page 9: ...en 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 screw and spring from the combination valve 18 Insert new spring into the valve and adjustment screw 19 Re connect oven to power and gas and check for leaks using a soap solution 20 Adjust gas pressure ...

Page 10: ...ctual 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 Model _______ Date_______ Serial ________ Store ___________ Tech Name___________________ Contact_______________ Company _________________________ Store Phone ___________ Service Company Phone ______...

Page 11: ...inspect 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 between high and low speed Temperature Control Allows temperature to be set from 100 F 450 F in 50 F Timer Control Electronic one hour timer with continuous beeper Vent Knob ...

Page 12: ...spect 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 between high and low speed Timer Control Electronic one hour timer with continuous beeper Vent Knob Temperature Control Allows temperature to be set in 25 F increments from 140 F ...

Page 13: ...g 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 the LED display for time and temp Temp Button Press to set desired temp Timer Button Press to set desired time Start Stop Button Starts and stops the timer Vent Knob TEMP TIME PULSE FAN HI SPEED FAN ...

Page 14: ...f 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 Program Button Used to input a one time only program Product Button Used to program and store product into the computer ...

Page 15: ...sition 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 cooked is for one time only Read Clear Button Used to read programs clear programs and to access program menu LIGHTS POWER On Off On Off 1 2 3 4 5 0 9 8 7 6 A B C D E Man Prog Read Clear ...

Page 16: ...rrow 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 previous menu In program mode this will allow you to advance to the next step Arrow up button Allows you to scroll up X Cancel Up Down Light On Off P L A T I M U M ...

Page 17: ...display 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 programmed temperature the control will slow the timer down to compensate for the lower cooking temperature Cooking Curves from 0 no time adjustment to 7 maximum adjustment are available Cooking Curve...

Page 18: ...450 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 make the fan run on high continuously 2 fanonlo Will make the fan run on low continuously 00 00 00 Enter the desired cooking time hours minutes seconds 000 f The program is now entered for a single ti...

Page 19: ...ng 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 below what is programmed Hot The oven s internal temperature is above what is programmed ShELF A product selection has been made after the oven has preheated and the computer is asking which shelf the...

Page 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 C 4 8 4 8 4 8 Shelf in use display R C 0 9 0 9 0 9 Internal oven temperature display R C 8 7 8 7 8 7 PROGRAMMING Enter programming mode R C 1 6 2 7 3 8 Recall an existing product program R C R C P P...

Page 21: ...ER 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 curve Refer to sections 6 3 and 6 7 for more detail ENTER FAN SPEED 1 HI 2 LOW NOX T1 XXXF CXX XX XX XX PXXX F XX Select Fan speed Hi 1700 rpm Low 1400 ENTER FAN PULSE RATE 1 TO 100 NOX T1 XXXF CXX ...

Page 22: ...COMPUTER 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 numbers then select ENTER to move the cursor to the right EXAMPLE Press once for an A then press ENTER Press twice for a B then select ENTER Continue through F The screen will then automatically adva...

Page 23: ...T 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 resembles your product If necessary press to go backward through the icon list Select ENTER to accept the icon and more to the next screen SELECT PRODUCT ICON USE KEYS TO SELECT THEN PRESS ENTER TO ACCEPT ...

Page 24: ...cursor 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 Press two times for a 2 then select ENTER to advance the cursor Since 0 is already displayed just select ENTER to advance to the next screen ACCEPT ENTER ACTION DISPLAY SELECT TIER COOK TIME 00 45 00 USE...

Page 25: ...s 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 TEMP 320F TIME 00 45 00 COOKING CURVE 80 Step 12 SELECT FAN SPEED The cursor will automatically appear under HIGH that is your default setting Press ENTER or ACCEPT to keep high fan and advance to th...

Page 26: ...ce 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 CORRECT YES NO USE KEYS TO SELECT APPLE TIER 1 TEMP 320F TIME 00 45 00 FAN HI RATE 100 COOKING CURVE 80 Step 14 CORRECT The cursor automatically appears on YES The computer is asking if the program dis...

Page 27: ...steps 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 program more products If no other products need to be programmed select CANCEL three times to advance screen to the boot up screen CREATE NEW PRODUCT EDIT PRODUCT DELETE PRODUCT EDIT PRODUCT ACTION DIS...

Page 28: ...ing 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 color and quality Center the pan in the oven The better the air flow around the product the better the bake The convection oven is a mechanical piece of equipment The same control settings will alway...

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

Page 30: ...ees 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 now be done GCCO SII TYPICAL OPERATION SEQUENCE ACTION RESULT Turn power switch to ON Digital display reads 000 Press Temp button and use arrows to adjust to proper Temp between 150 450 Oven begins h...

Page 31: ...esponds 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 button Display says PRODUCT X PREHEATING TO XXX F Motor starts and oven begins preheating to the programmed temperature Beeper sounds briefly Display says READY SELECT PRODUCT TO START Open the oven d...

Page 32: ...xt 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 Display says Select shelf Press Product button next to desired shelf Display will show icon chosen and begin to count down Beeper sounds continuously Display shows DONE press button and remove produ...

Page 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 energized 24 volts to 6 Johnson Control TH Channel Products and ground of spark module Spark module begins sparking at pilot burner 24 volts to pilot valve coil of combination gas valve Pilot valve o...

Page 34: ...n 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 circuit board 24 volts at motor out put pin5 to ground 24 volts to motor relay through door switch and pulse fan switch Motor relay closes energizing motor and closing centrifugal switch Temperature se...

Page 35: ...n 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 terminal B on back up relay Back up relay closes energizing 120 12 volt transformer 12 volts to TP1 Computer starts Product selected from Control panel 24 volts from TP5 through safety thermostat throu...

Page 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 valve through centrifical switch on motor Main valve opens Main burner ignites Back up toggle switch to ON 24 VAC to TH on spark module 24 VAC across PV on spark module to ground 24 VAC to PV on combina...

Page 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 module Check continuity on wire between PV on spark module and Pilot Valve No spark observed Turn oven on Refer to wiring diagram and check for 24 VAC at the TH terminal on the spark module If 24 VAC...

Page 38: ...ective Motor relay Confirm that motor relay is getting power Check motor relay for normal operation 24 VAC 39 Ω 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 PROBABLE CAUSE CORRECTIVE ACTION Defective Thermostat Confirm that Thermostat is getting 24 VAC M...

Page 39: ...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 module Check continuity on wire between PV on spark module and Pilot Valve No spark observed Turn oven on Refer to wiring diagram and check for 24 VAC at the TH terminal on the spark module If 24 VAC...

Page 40: ...AC 39 Ω 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 PROBABLE CAUSE CORRECTIVE ACTION Defective Probe Confirm that probe is operating properly See Technical Data Defective Circuit board Confirm that Heat Call light is on If no light is detected Check 12 ...

Page 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 spark module Check continuity on wire between PV on spark module and Pilot Valve No spark observed Turn oven on Refer to wiring diagram and check for 24 VAC at the TH terminal on the spark module If 24 V...

Page 42: ...ent Check motor relay for normal operation 24 VAC 35Ω 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 start heating PROBABLE CAUSE CORRECTIVE ACTION Defective Probe Confirm that probe is operating properly See Technical Data Defective Circuit board Confirm that Heat Call light is on If no light is ...

Page 43: ... override 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 Pilot light fails to light Perform the following trial 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...

Page 44: ...the primary coil and 1 Ωon 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 for strong flame and good contact with sensor Check sense wire for 12 to 13 micro amps on spark module Johnson Control spark modules use 4 terminal and Channel spark modules use Sense terminal Turn ...

Page 45: ...nt 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 unplugged plug ribbon back in to CPU and disconnect from Interface board Re measure at TP2 If voltage dropped to below 5 VDC replace ribbon cable 31110 01 If voltage remains at 5 VDC plug ribbon b...

Page 46: ...ive 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 adjust door switch If 24 VAC is measured Turn unit off and Check contactor coil for continuity Replace if defective No voltage across contactor points Check 120 VAC across C terminals of contacto...

Page 47: ...rial 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 for ignition to bleed air from the gas piping After the initial attempt pilot should only require 2 5 seconds for normal start up Spark observed Check for 24 VAC at pilot valve If 24 VAC is measured t...

Page 48: ...t with 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 continuity Replace sense wire or spark module as necessary Defective thermostat Turn unit off and check for continuity while cycling thermostat on and off Replace if defective Defective over temp thermostat...

Page 49: ...temperature 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 objects keeping contactor closed 88888 stuck in display Check for stuck button by pressing any button If computer beeps or chirps Check control panel transformer 12 VAC for proper operation Check TP1...

Page 50: ...ive 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 is feeding primary coil Confirm that 24VAC is at secondary coil Defective Spark Module Check for 24VAC at TH If no voltage is present Check component transformer If voltage is present Check for pilo...

Page 51: ...ve 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 stripe Defective Display Check ribbon cable connections Confirm that voltage is present at JP40 If no voltage is present Replace control transformer If voltage is present Confirm that CPU has 5VDC at T...

Page 52: ...oil 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 If no voltage is present Confirm that wires have continuity If voltage is present Replace motor NO MOTOR COMPUTER MODE IMPORTANT NOTICE Before trying to trouble shoot No Motor in Computer Mode confir...

Page 53: ...the 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 thermostat has 24VAC If no voltage is present Check component transformer and wiring for normal operation If voltage is present Check thermostat for normal operation Replace as necessary Defective centrifuga...

Page 54: ...or 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 good connections Check panel label buttons and confirm that none of the domes are collapsed If domes are collapsed Replace panel label Intermittently over heats or under cooks Check probe for proper r...

Page 55: ...WITCH Check 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 between it and the back wall of the can AUTO BYPASS SWITCH The Auto Bypass and Energy switch are located below the controls behind a pull down access panel Auto Bypass switch Normally in OFF The...

Page 56: ...O 55 000 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 120 000 120 000 Two 1 2 NPT Two 120 VAC 7 1A 1150 LBS 5 10 GCCO PT PP COOKING CURVE CONVERSION Old Style Purple New Style Platinum Purple Plus 0 0 1 17 2 26 3 40 4 50 5 56 6 63 7 71 ...

Page 57: ... 1054 Ω 2 11 180 709 Ω 1 42 400 1072 Ω 2 14 190 724 Ω 1 45 410 1090 Ω 2 18 200 739 Ω 1 48 420 1109 Ω 2 22 210 754 Ω 1 51 430 1127 Ω 2 25 220 769 Ω 1 54 440 1146 Ω 2 29 230 785 Ω 1 57 450 1165 Ω 2 33 240 800 Ω 1 60 460 1184 Ω 2 37 250 816 Ω 1 63 470 1204 Ω 2 41 260 832 Ω 1 66 480 1223 Ω 2 45 270 848 Ω 1 70 490 1243 Ω 2 49 280 864 Ω 1 73 500 1263 Ω 2 53 NOTE Probe is factory checked at 350 F Must be...

Page 58: ...u 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 service technician Follow the diagram below for the proper strapping configuration POWER SWITCH RIBBON CONNECTOR 8 PIN CONNECTOR PROBE CONNECTION BACK OF CIRCUIT BOARD ECCO C ECCO STM GCCO C GCCO STM ...

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

Page 60: ...R 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 POWER SWITCH ECCO GCCO PURPLE PLUS POWER SWITCH DOOR SWITCH ...

Page 61: ...61 WIREING DIAGRAM GCCO T ...

Page 62: ...62 WIRING DIAGRAM GCCO AP ...

Page 63: ...63 WIRING DIAGRAM GCCO SII ...

Page 64: ...64 WIRING DIAGRAM GCCO C ...

Page 65: ...65 WIRING DIAGRAM GCCO PP ...

Page 66: ...66 WIRING DIAGRAM GCCO PT ...

Page 67: ...h 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 Label After C 90069 60301 101 Door Handle Assembly Single Handle Oven 70603 15 Knob Time Control Before A 90068 70701 27 Knob Time Temperature Control 70701 28 Window Assembly 71301 04 Blower Wheel ...

Page 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 Turnbuckle Assembly 50312 02 Door Left Hand 51100 45 Door Right Hand 51100 46 Panel Label 60301 100 Knob Time Temperature Control 70701 28 Window Assembly 71301 04 Blower Wheel 71500 05 Burner U Tube Ste...

Page 69: ...ght 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 Assembly 71301 04 Blower Wheel 71500 05 Bezel Control Board 72603 01 Bezel Fiber Spacer Before H 90435 20501 01 Bezel Screw Short Qty 1 Before H 90435 20102 19 Bezel Screw Long Qty 4 Before H 90435 20102 20...

Page 70: ...ndle 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 Panel Label Purple 60301 42 Valve Manual Main Water Supply Steam Units 70400 02 Valve Manual Water Supply Steam Units 70402 08 Valve Solenoid 24 60V Water Supply Steam Units 70403 01 Regulator Water Sup...

Page 71: ...200 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 Steam Units 70402 08 Valve Solenoid 24 60V Water Supply Steam Units 70403 01 Regulator Water Supply Steam Units 70404 01 Handle Assembly Single Handle Oven 70603 15 Knob Thermostat 450 F Oven 70701 17 Wi...

Page 72: ...0200 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 Units 70402 08 Valve Solenoid 24 60V Water Supply Steam Units 70403 01 Regulator Water Supply Steam Units 70404 01 Handle Assembly Single Handle Oven 70603 15 Knob Thermostat 450 F Oven 70701 17 Wind...

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