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Lang GCOD-AP, Installation And Operation Instructions Manual, Page: 14 / 24

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Lang GCOD-AP Installation And Operation Instructions Manual Download Page 14

14

General Operation & Programming

Convection ovens constantly circulate air over and around the product.  This strips away the thin layer of moisture 

and cool air from around the product allowing heat to penetrate more quickly.
Cooking times can be shortened and cooking temperatures can be reduced.
To convert standard deck oven recipes, reduce the temperatrue 50° degrees and the time by 25%.   

Make minor adjustments as necessary.
Always weigh your product.  This will give you a more consistent size, color and quality.
Check the product near the end of the initial cooking. 
Do not open the oven door during baking, as this will change the baking characteristics of the oven and make it  

difficult to determine a final program.

If the product is overdone on the outside and underdone on the inside, reduce the baking temperature.
If the product is pulling away from the edge of the pan, the temperature is too high or the cooking time too long.
A convection oven is a mechanical piece of equipment. The 

same control settings will always give the same results.   

If the results vary, problems may be because of changes in 

the product preparation.

GCOF-AP / GCOD-AP Control Panel

The Control panel consists of the following items.   

Detailed operational descriptions are given later this  

section.

Power:

 Turns the oven on and off

Pulse Fan:

 

Pulse Setting:

 Fan will only turn ON, when the oven is 

calling for heat.

Fan Setting:

 Fan is on continuously, speed is determined 

by the Hi/Low switch.

Hi/Low Speed Fan:

 Dual speed switch.  Toggles the fan 

between high & low speed.

Temperature Control:

 Allows temperature to be set in 25°F 

increments from 140°F to 450°F

Timer:

 Electronic on-hour timer with  

continuous beeper,

Typical Operation Sequence

Power

Light

Pulse Fan
Hi/Low 

Speed Fan

Temperature 

Control

Timer

IL1527A

Action

Result

Turn Power Switch to ON

Control panel heat call 

 

light comes on.

Adjust temperature, between 140°F 

& 450°F and allow 20 minutes for 

preheating

Oven begins heating

Open oven door and insert product, 

set timer up to 60 minutes.

Timer begins counting down.

Timer beeps continuously when done. Product should now be done.

Summary of Contents for GCOD-AP

Page 1: ...IL1564 GAS FULL SIZE COMPUTERIZED CONVECTION OVEN GCOD AP GCOF AP Installation and Operation Instructions 2M W1347 Rev B 10 13 14 GCOF AP ...

Page 2: ...RIZED SERVICE PERSONNEL ONLY NOTICE Using any part other than genuine Lang factory supplied parts relieves the manufacturer of all liability Lang reserves the right to change specifications and product design without notice Such revisions do not entitle the buyer to corresponding changes improvements additions or replacements for previously purchased equipment Due to periodic changes in designs me...

Page 3: ...uggestions 15 Loading 15 Maintenance Cleaning 16 Troubleshooting Symptoms Possible Causes Test 17 Wiring Diagram 120VAC 18 Exploded View Parts List 20 25 PROBLEMS QUESTIONS or CONCERNS Before you proceed consult you authorized Lang service agent directory or Call the Lang Technical Service Parts Department at 314 678 6315 NOTICE Service on this or any other Lang appliance must be performed by qual...

Page 4: ... 245 kg 264 kg Gas Vent Exhaust 15 2 384mm 65 1650mm 27 684mm Stand Optional IL1565 SPECIFICATIONS CURRENT MODEL PREVIOUS MODEL VOLTS AC Hz AMPS FLA NAT PROPANE BURNER INPUT GCOD AP LP GCCO AP XD P 115 60 7 1 5 X 60000 GCOD AP NAT GCCO AP XD N 115 60 7 1 5 X 60000 GCOF AP LP GCCO AP P 115 60 7 1 5 X 55000 GCOF APLP220 GCCO AP PE 220 60 3 6 5 X 55000 GCOF AP NAT GCCO AP N 115 60 7 1 5 X 55000 GCOF ...

Page 5: ...ted of porcelainized stainless steel Operation The GCOD AP and GCOF AP ovens are forced air convection ovens with a vented oven cavity The air is driven by a 1 3 HP fan motor Controls Easy to use manual control knobs Solid state temperature sensing and controls Pulse and two speed fan Technical The GCOD AP and GCOF AP ovens has electronic ignition and requires a 120V single phase connection Floor ...

Page 6: ...to un crating move the oven as near to its intended location as practical The crating will help protect the unit from the physical damage normally associated with moving it through hallways and doorways Un crating The oven will arrive completely assembled inside a wood frame and strapped to a skid Cut the straps and remove the wood frame The oven can now be removed from the skid EACH UNIT WEIGHS 5...

Page 7: ...ll instructions follow the instructions provided with the kit 27 Leg Installation With unit in position fasten the two legs to the front corner pads then to the oven s front corners using the four 5 16 inch bolts provided in the leg kit See leg pad adapter illustration to dermine differences between front rear support assemblies Lift the oven onto its front legs and block the back up using one of ...

Page 8: ...tall 5 16 inch nuts with lock washers and flat washers Adapter to Oven Installation Gently tip the oven onto its back Place the front leg adapter into the front corers of the oven The holes without the threaded inserts face the front of the oven and the flange on the adapter points toward the bottom of the oven The edge of the leg adapter with the threaded insert slips under the flange on the oven...

Page 9: ...ntly set on top of the lower oven so that the heads of the socket head bolts nest into the holes in the top of the lower oven NOTE Each unit must have separate electrical connections Flu Installation A flu extension must be installed on the upper oven of a stacked set The extension directs the heat of the lower unit away from the motor of the upper unit Without this installed the upper unit can ex...

Page 10: ...form to the applicable nationally recognized installation standards 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 FROM THE PLUG Electrical Connection The electrical connection must be made in accordance with local codes or in the absence of local codes with NFPA No 70 latest edition in...

Page 11: ...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 shutoff ...

Page 12: ... 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 to correct water column 5 NG 10 LP 21 Install new seal screw provided in ki...

Page 13: ...rk ignition module If during the initial start up the pilot does not light within 30 seconds the module will turn off all gas to the pilot burner To reset the spark module turn Off the power switch for 10 seconds then turn the switch back On This may need to be repeated several times during the initial start up until gas is present at the pilot burner NOTICE During the first few hours of operation...

Page 14: ...is a mechanical piece of equipment The same control settings will always give the same results If the results vary problems may be because of changes in the product preparation GCOF AP GCOD AP Control Panel The Control panel consists of the following items Detailed operational descriptions are given later this section Power Turns the oven on and off Pulse Fan Pulse Setting Fan will only turn ON wh...

Page 15: ...equipment The same control settings will always give the same results If the results vary problems may be because of product preparation Opening the vent will to allow mositure to escape the cooking chamber during part or all of the cooking process This will allow a more crispy product example french fries fish crispy crusts Close the vent for dough products like cinnamon rolls breads This is some...

Page 16: ...tside the oven cavity using oven cleaner Using any harsh chemicals will result in the removal of the ETC coating and etching of the porcelain below it The oven interior should only be cleaned using a mild soap and a non metal scouring pad DO NOT use caustic cleaners Always apply stainless steel cleaners when the oven is cold and rub in the direction of the metal s grain KEEP WATER AND SOLUTIONS OU...

Page 17: ...cator is not lit No power to cord outlet Oven unplugged from outlet Failed power cord or plug Failed power switch Failed indicator light Failed pilot ignition Oven will not heat Power Switch is not ON Failed Pilot ignition Failed 12 position switch Failed Circuit Board Failed Probe Failed Contactor Failed Centrifugal switch in Motor Failed Motor Failed Over temperature Thermostat Failed Valve Prod...

Page 18: ... LIGHT TIMER BUZZER 1 2 3 4 5 LO HIGH BLUE BLACK RED 12 POSITION TERMINAL BLOCK WIRE NUT SWITCH POWER FROM HEAT C D B 120 LIGHTS B G SWITCH LIGHR OVEN 120VAC WHT BLK GRN B W SUPPLY POWER 16 3 120V CORD PLUG NEMA 5 15 D C B AP CONTROL PV TH MV GND GND SENSE HIGH VOLTAGE MODULE IGNITION SENSE SPARK C L S SNUBBER 100V M COMBINATION VALVE MV PV GAS S L PILOT G NOTE MODEL GCCO S USES A MECHANICAL TIMER...

Page 19: ...E DETAIL B SEE DETAIL C SK2309 Rev G 06 17 15 Model 1 2 4 5 8 7 39 9 10 11 16 17 14 18 19 13 12 22 20 15 CERTAIN INSTANCES MAY NOT BE AVAILABLE ILLUSTRATIVE PURPOSES ONLY AND IN SOME ITEMS ARE INCLUDED FOR 35 36 34 GCOD F AP NAT GCOD F AP LP Gas Covection Oven ...

Page 20: ...LEFT CAN SIDE ASSEMBLY GCOF AP M9 60102 14021 1 GCCO LEFT SIE S S EXTRA DEEP w MNT HRD GCOD AP 24 2E 31602 04 2 LAMP SKT SNAP IN WHT ALL 25 2S 31603 09 2 LAMPS INC 120V 40W ALL 26 2B 50200 20 5 RACK ECCO GCCO OVEN GCOF AP 2B 50200 31 5 RACK ECO DEEP OVEN ONLY GCOD AP 27 2B 50200 93 2 RACK SLIDE 11 POS GCOF AP 2B 50200 94 2 RACK SLDE 11 POS E GCCO T GCOD AP 28 Q9 50312 44 1 LH DOOR ASSY E GCCO ALL ...

Page 21: ... Kit Assy Manifold Assembly SK2310 Rev C 12 1 10 Model GCOD F NAT GCOD F LP Detail A Gas Covection Oven Pilot Manifold Assy Detail B GCCO Cooling Fan Kit Assy 1 2 5 6 7 Available in Assembly only 14 16 15 13 12 8 9 2 10 11 4 3 17 18 19 20 21 22 23 24 25 ...

Page 22: ...0 1O 71400 13 18 inch SLEEVING PTFE 1 4X 030 ALL 11 2I 70803 04 6 CERMC INSLTR 9 32ID11 16 ALL 12 Q9 GCCO 706 1 MANIFOLD ASSY ALL 13 2K 70308 01 1 PIPE PLUG REG 1 8 NPT BLK ALL 14 Y9 80400 13 2 ORIFICE SPUD 0890 43 ALL 15 2K 70310 01 1 BELL RDUC 1 2 3 8BLK IRN ALL 16 Q9 GCCO 263 1 1 TUBE A ALL 17 2C 20301 11 2 NUT HEX 8 32 PLTD Q9 60102 171 Q9 60102 1711 18 Q9 GCCO 801 1 GCCO COOLING FAN BRACKET Q...

Page 23: ...GCOF AP GCOD AP Detail C GCCOPAP Control Panel Detail CERTAIN INSTANCES MAY NOT BE AVAILABLE ILLUSTRATIVE PURPOSES ONLY AND IN SOME ITEMS ARE INCLUDED FOR 3 4 5 6 12 8 9 11 15 19 20 21 9 9 17 18 10 13 14 16 7 2 1 Previous Timer Design ...

Page 24: ... 6 2E 30303 16 1 SWT TOG ON ON BLK MOM 7 2E 30303 06 3 SWT TOG ON ON DPDT BLK 8 2E 31400 07 1 XFORMR120 208 240 24V40VA 9 2C 20102 08 9 SCRW PHD ST 8 32X 375 10 2E 30501 02 1 TRM STRP 3 POLE W PUSH ON 11 2C 20102 05 2 SCRW HXHD ST 8 32X 75 12 2E 30304 16 1 CIR BD SWITCH 140 450 F 13 PS 60101 W4 1 ELEC TIMER KIT 1HR 24V 14 Q9 GCCO 350 3 1 SPOT COMPNT MT GCCO 15 Q9 GCCO 355 1 BUZZER BOARD MOUNT 16 2...

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