IL1952
GAS FULL SIZE
COMPUTERIZED
CONVECTION OVEN
GCOD-PT
GCOF-PT
Installation and
Operation
Instructions
2M-W735 Rev. B 7/27/2010
GCOF-PT
1
These symbols are intended to alert the user to the presence of
important operating and maintenance instructions in the manual
accompanying the appliance.
FOR YOUR SAFTEY
DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS AND LIQUIDS IN
THE VICINTIY OF THIS OR ANY OTHER APPLIANCE.
POST IN PROMINENT LOCATION
INSTRUCTIONS TO BE FOLLOWED IN THE EVENT USER SMELLS GAS. THIS
INFORMATION SHALL BE OBTAINED BY CONSULTING YOUR LOCAL GAS SUPPLIER.
AS A MINIMUM, TURN OFF THE GAS AND CALL YOUR GAS COMPANY AND YOUR
AUTHORIZED SERVICE AGENT. EVACUATE ALL PERSONNEL FROM THE AREA.
WARNING
IMPROPER INSTALLATION, ADJUSTMENT, ALTERATION, SERVICE OR MAINTENANCE
CAN CAUSE PROPERTY DAMAGE, INJURY OR DEATH. READ THE INSTALLATION,
OPERATION & MAINTENANCE INSTRUCTIONS THOROUGHLY BEFORE INSTALLING OR
SERVICING THIS EQUIPMENT.
WARNING
RISK OF FIRE OR ELECTRIC SHOCK
DO NOT OPEN
WARNING, TO REDUCE THE RISK OF ELECTRICAL SHOCK, DO NOT REMOVE
CONTROL PANEL. NO USER-SERVICABLE PARTS INSIDE.
REPAIRS SHOULD BE DONE BY AUTHORIZED SERVICE PERSONNEL ONLY.
NOTICE
Using any part other than genuine Lang factory supplied parts relieves the manufacturer of all
liability.
Star reserves the right to change speci cations 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, methods, procedures, policies and regulations, the
speci cations contained in this sheet are subject to change without notice. While Star
Manufacturing exercises good faith efforts to provide information that is accurate, we are
not responsible for errors or omissions in information provided or conclusions reached as a
result of using the speci cations. By using the information provided, the user assumes all risks
in connection with such use.
MAINTENANCE AND REPAIRS
Contact your local dealer for service or required maintenance. Please record the model number, serial
number, voltage and purchase & Installation Information in the area below and have it ready when you
call to ensure a faster service.
SAFETY SYMBOL
Model No.:
Serial No.:
Voltage:
1-Phase or 3 Phase:
Purchased From:
Location:
Purchase Date:
Installed Date:
2
PROBLEMS, QUESTIONS or CONCERNS
Before you proceed consult you authorized Lang service agent directory
or
Call the Lang Technical Service & Parts Department at 1-800-438-5264.
TABLE OF CONTENTS
Specications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Equipment Description .. . . . . . . . . . . . . . . . . . . . . . . . .5
Unpacking. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Installation
Leg Installation .. . . . . . . . . . . . . . . . . . . . . . . . . . .7
Leg Pad Adapter Installation .. . . . . . . . . . . . . . . . . . . .
Stacking the Oven. . . . . . . . . . . . . . . . . . . . . . . . . .
Ventilation & Clearence. . . . . . . . . . . . . . . . . . . . . . .10
Electrical Connection.. . . . . . . . . . . . . . . . . . . . . . . 10
Gas Connection. . . . . . . . . . . . . . . . . . . . . . . . . . .
Flu Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gas Conversion. . . . . . . . . . . . . . . . . . . . . . . . . . .
Initial Start-Up
Pre-Power On. . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Power On . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
General Operation & Programming
Control Panel.. . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Typical Operation Sequence.. . . . . . . . . . . . . . . . . . . 14
Hints & Suggestions. . . . . . . . . . . . . . . . . . . . . . . . .15
Loading.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Pace Timers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Program Enable Buttons . . . . . . . . . . . . . . . . . . . . . . .. . . . . 17.-.20
8
9
11
11
12
13
Troubleshooting
Symptoms / Possible Causes / Test. . . . . . . . . . . . . . . . .21
Maintenance
Cleaning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Wiring Diagram
. 120V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Exploded View & Parts List . . . . . . . . . . . . . . . . . . . . . . 24-29
NOTICE ServiceonthisoranyotherLangappliancemustbeperformedbyqualied
personnel only. Consult your Lang Authorized Service Agent Directory.
You can call our toll free number 1-800-438-5264 or visit our website
WWW.LANGWORLD..COM for the service agent nearest you.
3
SPECIFICATIONS
32.13"
816mm
26.93"
684mm
64.96"
1650mm
15.11"
384mm
2.63"
67mm G
3.50"
89mm E
2.50"
64mm G,E
64.96"
1650mm
5.90"
150mm
H
H
D
GAS VENT
IL1950
FRONT VIEW
SIDE VIEW
TOP VIEW
Model Height x Width x Depth Clearance from Weight
(without optional stand) combustible surface Installed Shipping Freight Class
GCOF 38.1” x 40.2” x 38.8” Side:6”, Back: 6”, Floor: 6” 460 lbs. 500lbs 70
964mm x 1019mm x 985mm (209 kg) (227 kg)
GCOD 38.1” x 40.2” x 46.0” Side:6”, Back: 6”, Floor: 6” 460 lbs. 500lbs 70
964mm x 1019mm x 1168mm (209 kg) (227 kg)
SPECIFICATIONS
MODEL VOLTS AC Hz. AMPS FLA NAT. PROPANE BURNER INPUT
GCOD-PT-NAT 115 60 7.1 5 X 60000
GCOF-PT-LP 115 60 7.1 5 X 55000
GCOF-PT-NAT 115 60 7.1 5 X 55000
GCOF-PTNATCO 115 60 7.1 5 X 55000
GCOF-PTNATMF 115 60 7.1 5 X 55000
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EQUIPMENT DESCRIPTION
Door Handle Controls
Side
Access Panel
Motor Vent
Lower Unit Flu
Nameplate
Gas & Electric Input
IL1951
Exterior Construction
The oven exterior dimensions are 40” (100 cm) Wide, 32” (80 cm) High, 38” (95 cm) Deep. The Top,
Front, Back, and Sides are constructed of stainless steel with an aluminized bottom.
The oven doors come standard with a double pane window.
The door handle is constructed of Stainless Steel and Phonolic Tubing.
The oven cavity is insulated with high temperature insulation for efciency and reduced heat loss.
Interior Construction
The oven cavity dimensions are 29” (72.5 cm) Wide, 20” (50.84 cm) High, 21” (53.38 cm) Deep.
The interior of the oven is constructed of porcelainized stainless steel.
Operation
The GCOF / GCOD ovens are forced air convection oven with a vented oven cavity. The air is driven by a
1/3 HP fan motor.
Controls
Icon driven (touch) panel allows for easy operation. Complete computerized controls. Pre-Programmable
product selections. Independent shelf timers for each shelf. Load control through use of Cooking Curves.
Shelf compensation for uniform baking. Solid-state temperature sensing and controls. Dual speed fan.
Manual override controls.
Technical
The GCOF / GCOD ovens are operated on either Natural Gas or Propane and can be eld converted to
either gas. Floor space required is 48” (122.6 cm) wide, 44” (112.5 cm) deep. The oven weighs 500 lbs.
(227.28kg). Contact the factory for correct orice sizes when installing oven above 4000 ft. The GCODPT has electronic ignition and requires a 120-Volt single-phase connection.
NOTICE The data plate is on the right side of the oven next to the access
panel. The oven voltage, wattage, serial number, wire size, and
clearancespecicationsareonthedataplate.Thisinformation
should be carefully read and understood before proceeding with the
installation.
5
CAUTION
UNPACKING
Receiving the Oven
Upon receipt, check for freight damage, both visible and concealed. Visible
damage should be noted on the freight bill at the time of delivery and
signed by the carrier’s agent. Concealed loss or damage means loss or
damage, which does not become apparent until the merchandise has been
unpacked. If concealed loss or damage is discovered upon unpacking,
make a written request for inspection by the carrier’s agent within 15 days
of delivery. All packing material should be kept for inspection. Do not return
damaged merchandise to Lang Manufacturing Company. File your claim
with the carrier.
Location
Prior 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 500 LBS. FOR SAFE HANDLING, INSTALLER SHOULD
OBTAIN HELP AS NEEDED, OR EMPLOY APPROPRIATE MATERIALS
HANDLING EQUIPMENT (SUCH AS A FORKLIFT, DOLLY, OR PALLET JACK)
TO REMOVE THE UNIT FROM THE SKID AND MOVE IT TO THE PLACE OF
INSTALLATION.
ANY STAND, COUNTER OR OTHER DEVICE ON WHICH OVEN WILL BE
LOCATED MUST BE DESIGNED TO SUPPORT THE WEIGHT OF THE OVEN.
SHIPPING STRAPS ARE UNDER TENSION AND CAN SNAP BACK WHEN CUT.
6
INSTALLATION
Rear
Support Assy
Front
Support Assy
Swivel
Caster
Caster
Cardboard
IL1524A
Stacked Units
Caster Sets
27” Leg Set
(marine also)
27” Equipment Cart
6” Adj. Leg Sets
6” Adj. Bolt Down Leg Sets
(marine only)
Accessory Options
Single Units
IL1525
Above: typical leg and caster installation.
Below: accessory options, legs, casters & equipment carts sold
separately. Follow installation instructions with the each specic 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 the 27-inch legs set upside
down in the center rear of the oven body. Install the third 27-inch leg onto the oven body on the
control side rear. Gently lift the oven rear, remove the temporary support leg & install it on the last
rear corner.
Leg Installation
Legs are available separately for both the
single and double deck installations. Single
deck installations require a 27-inch leg or
equipment cart. Double deck installations .
require 6-inch legs or casters. All these are
available separately.
Place some cardboard on the ground and
with assistance carefully lay the unit on its
back. In stacked
The adjustable feet may be screwed in
or out as necessary to level the oven. A .
torpedo level placed on an oven rack will
assist in leveling the oven.
Double-Stack Ovens
To install the 6-inch legs, adj. feet or casters
on the lower unit, follow the Leg Pad
instructions in the following section or in the
instructions included with the leg pads.
Single Oven
To install 27” legs or cart to your unit, place
the unit laying on its back onto a piece of
cardborad. Be sure to read all instructions
& follow the instructions provided with the
kit.
7
INSTALLATION cont.
D
E
E
E
E E E E
E
E
E
A A
A
B
B
B
B
A
C
D D D
C
C
C
OVEN BOTTOM
OVEN FRONT
IL1523
Leg Pad Adapter
Identify the front and rear leg adapters (the
front adapters have two threaded inserts, the
rear has four). The leg adapters are included
with each specic accessory kit.
Leg to Adapter Installation:
Install the leg’s threaded stud through the hole
in the adapter labeled “C” with the bent ange
of the adapter facing away from the leg.
Screw the 3/4-inch nut supplied in the adapter
kit onto the leg stud and tighten. .
Secure to oven using hardware provided.
Caster to Adapter Installation:
Place the swivel caster against the front leg
pad adapter with the ange of the adapter .
facing away from the caster.
Install the four 5/16 inch bolts through the
caster base and the adapter holes labeled “A”
then install the 5/16 inch nuts with washer and
lock washers.
Above: Bottom on unit showing the placement of the leg adapters
and their hole assignment.
Align the caster to the holes in the adapter labeled “B”. NOTE: There are two sets of “B” holes set
at 90° from the each other. One set will create a left rear adapter and the other set will create a right
rear adapter.
Install four 5/16-inch bolts through the caster base and the adapter holes labeled “B” then install .
5/16-inch nuts with lock washers and at washers.
Place the rigid casters against the rear leg
adapter with the ange of the adapter facing
away from the caster.
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 ange on the adapter points
toward the bottom of the oven.
The edge of the leg adapter with the threaded insert slips under the ange on the oven side, while
the edge without the inserts sits on top of the threaded angle on the oven front.
Install two 3/8-inch bolts with lock washers and at washers through the front holes “D” in the leg
adapter and into the threaded inserts on the oven.
Thread one 3/8-inch bolt with lock washer and at washer into the rear threaded hole labeled “E” on
each of the leg adapters.
The forward threaded hole on the front leg adapter does not get a bolt installed.
Place the rear leg adapters into the rear corners of the oven so that the adapter is under the ange of
the oven side and back. .
NOTE: If installing a caster place the adapter on the oven so that the casters roll forward.
Install for 3/8-inch bolts with lock washers and at washers through the holes labeled “E” in the ange
of the oven and into the threaded inserts of the leg adapter.
8
INSTALLATION cont.
Button Plugs
Bushing
Stacking Bolts
Upper Oven
Lower Oven
IL1526
Stacking the Ovens
Remove all the plug buttons from the top of the lower oven.
Remove the stacking kit from the oven compartment of one oven and install the 1 1/4-inch plastic
bushing into the top of the lower oven.
Tip the top oven backwards and install two 3/8-inch socket head bolts, found in the stacking kit,
into the two front leg holes that match the holes in the top of the lower oven. Install the socket
head bolts with the heads of the bolt pointing away from the oven.
Lift the top oven and gently 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
See Flu Installation Instructions, page 11
9
INSTALLATION continued
Ventilation and Clearances
Standard minimum clearance from combustible construction is as follows.
4” from side
4” from back
6” from oor
• These ovens may be set directly, without legs, on a curbed base or non-combustible oor.
• If the oven is set without legs on a non-combustible oor or a curbed base, maintain a 4-inch back
clearance.
• If the oven is set directly against a non-combustible back wall, maintain a 6-inch clearance to the
oor.
• Do not install the oven closer than 4 inches from another oven on the right hand side (control panel
side).
• Do not install the oven closer than 12 inches from an uncontrolled heat source (char broiler etc.) on
the right side.
• Keep the area free & clear of combustible material, and do not obstruct the ow of combustion or
ventilation air.
• The installation of any components such as a vent hood, grease extractors, and/or re extinguisher
systems, must conform to the applicable nationally recognized installation standards.
NOTICE The installation of any components such as a vent hood, grease
extractors,reextinguishersystems,mustconformtotheir
applicable National, State and locally recognized installation
standards.
WARNING
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 Canada use: CAS STD. C22.1).
The electrical service entrance is provided by a cord and plug located at the oven back directly behind
the control compartment.
Each oven requires a 115-volt grounded supply and 7.1 amps.
Supply wire size must be large enough to carry the amperage load for the number of ovens being
installed. Wire size information can be found on the oven data plate.
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.
10
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