Lang ECOH-C2, ECOH-3VCN Operators Manual

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Page 1

ELECTRIC HALF SIZE

COMPUTERIZED

CONVECTION OVEN

ECOH-C2/3VCN ECOH-C2/4VCN

ECOH-C208CNF ECOH-C208VCN ECOH-C240VCN

ECOH-2/4CECN

ECOH-C480VCN

ECOH-C

Installation and

Operation

Instructions

2M-W493 Rev. G 7/13/15

IL1429

Page 2

SAFETY SYMBOL

These symbols are intended to alert the user to the presence of important operating and maintenance instructions in the manual accompanying the appliance.

DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS AND LIQUIDS IN

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.

IMPROPER INSTALLATION, ADJUSTMENT, ALTERATION, SERVICE OR MAINTENANCE

CAN CAUSE PROPERTY DAMAGE, INJURY OR DEATH. READ THE INSTALLATION,

OPERATION & MAINTENANCE INSTRUCTIONS THOROUGHLY BEFORE INSTALLING OR

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.

FOR YOUR SAFTEY

THE VICINTIY OF THIS OR ANY OTHER APPLIANCE.

POST IN PROMINENT LOCATION

WARNING

SERVICING THIS EQUIPMENT.

WARNING

RISK OF FIRE OR ELECTRIC SHOCK

DO NOT OPEN

NOTICE

Using any part other than genuine Lang factory supplied parts relieves the manufacturer of all liability.

Lang 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 Lang 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.

Model No.:

Serial No.:

Voltage:

Purchased From:

Location:

Purchase

Date:

1-Phase

or 3 Phase:

Installed Date:

Page 3

PROBLEMS, QUESTIONS or CONCERNS

Before you proceed consult you authorized Lang service agent directory

Call the Lang Technical Service & Parts Department at 314-678-6315

TABLE OF CONTENTS

Specications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Equipment Description . . . . . . . . . . . . . . . . . . . . . . . . 5

Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Installation

Leg Installation . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Stacking the Oven . . . . . . . . . . . . . . . . . . . . . . . . . 7

Vent Cap Installation . . . . . . . . . . . . . . . . . . . . . . . 8

Ventilation & Clearence . . . . . . . . . . . . . . . . . . . . . . 9

Electrical Connection . . . . . . . . . . . . . . . . . . . . . . . 9

Oven Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Reversing the door . . . . . . . . . . . . . . . . . . . . . . . . . .10

Initial Start-Up

Pre-Power On . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Power On . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

General Operation & Programming

Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Status Display . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Control Panel Buttons . . . . . . . . . . . . . . . . . . . . . . . 13

Loading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

Pace Timers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Program Enable Buttons . . . . . . . . . . . . . . . . . . . . .14

Shelf Position Buttons . . . . . . . . . . . . . . . . . . . . . . . 14

Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Troubleshooting

Symptoms & Possible Causes . . . . . . . . . . . . . . . . . .15

Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . .16 - 18

Exploded View & Parts List . . . . . . . . . . . . . . . . . . . . . 20 - 26

NOTICE ServiceonthisoranyotherLangappliancemustbeperformedbyqualied

personnel only. Consult your Lang Authorized Service Agent Directory. You can call our toll free number 314-678-6315 or visit our website WWW.LANGWORLD.COM for the service agent nearest you.

Page 4

SPECIFICATIONS

Model Height x Width x Depth Clearance from Weight (without optional stand) combustible surface Installed Shipping Freight Class

ECOH-C 25.3” x 30.2” x 25.3” Side:6”, Back: 6”, Floor: 6” 185 lbs. 225lbs 85

642mm x 766mm x 643mm (84 kg) (102 kg)

30.2” 766mm

28.0” 711mm

25.3” 642mm

56.0” 1422mm

28.0” 711mm

STAND OPTIONAL

Front Side View Top ViewRight Side View

25.3” 643mm

25.3” 642mm

28.0” 711mm

3.0”

76mm

Electrical Connection

25.3” 642mm

UTILITY REQUIREMENTS

Model Number Volts Hz Motor Amps Phase KW

ECOH-2/4CECN 240/415 50/60 33 1/3PH-4 Wire 7.8

ECOH-C2/3VCN 220/380 50/60 3.3 1/3PH-4 Wire 6.7

ECOH-C2/4VCN 240/415 50/60 1.2 1/3 7.8

ECOH-C208CNF 208 60 3.3 1/3 5.6

ECOH-C208VCN 208 60 3.3 1/3 7.8

ECOH-C240VCN 240 60 2.6 1/3 7.8

30.2” 766mm

IL1432

20.8” 529mm

Model Number Amps 1PH Wire 1PH L1 L2 L3 Wire 3PH

ECOH-2/4CECN 11.8 10.4 10.4 12

ECOH-C2/3VCN 30 10 11 10 10 12

ECOH-C2/4VCN 32.5 8 10.4 10.4 11.6 12

ECOH-C208CNF 27 10 12 23 15 10

ECOH-C208VCN 38 8 23 21 23 10

ECOH-C240VCN 33 8 20 18 20 12

Page 5

EQUIPMENT DESCRIPTION

Exterior Construction

The Top, Front, Back, and Sides are constructed of stainless steel with an aluminized bottom.

The oven exterior dimensions are:

30” (76.2 cm) Wide,

25.25” (74.3 cm) High,

26.5” (67.31 cm) Deep.

The oven door comes standard with a high temperature insulated window equipped with a polycarbonate handle.

The oven cavity is insulated with high

temperature insulation for efciency

and reduced heat loss.

Interior Construction

The oven is designed for ve shelves and comes with ve Chrome Plated

Racks.

The interior cooking chamber is constructed of stainless steel with dimensions of:

15” (38.1 cm) Wide, 20” (50.84 cm) High, 21” (53.38 cm) Deep.

Door Handle

Controls

Width

Depth

Back-Up Controls

Motor Cover

Height

IL1418

NOTICE

Operation

The ECOH oven is a forced air convection oven with a vented oven cavity.

The air is driven by a 1/3 HP fan motor.

Controls

Pre-Programmable Product Selections

Independent Shelf Timers for each Shelf.

Shelf Compensation Timing for uniform baking.

Technical

Oven operates as shipped on either 208 or 240-volt (singe or three phase), or 480-volt (three phase).

The oven can be shipped with a Power Cord and Plug attached, but must be specied upon ordering

(part number is listed in the Parts portion of this manual).

Floor space required is 42” (106.68cm) Wide, 32.5” (82.55cm) Deep.

The oven weighs approximately 225 lb. (102.5 Kilograms).

The ovens are stackable, stacking kit available upon request.

The data plate is on the right side of the oven below the removable panel.

The oven voltage, wattage, serial number, wire size, and clearance

specicationsareonthedataplate.Thisinformationshouldbecarefullyread

and understood before proceeding with the installation.

Page 6

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 it 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 Star 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.

THE UNIT IS EXTREMELY HEAVY. 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.

Page 7

Leg

Mounting Hole

4” Leg

INSTALLATION

16” or 28”

Stand

Cardboard

Leg Installation

4” legs are available for single countertop installations. Single and double deck installations require 16” or 28” stand installation, casters may also be used in certain situations.

To install the 4” legs, place some

cardboard on the oor and gently tip

the unit onto its back. Fasten the four, 4” legs into the threaded holes located on the bottom of the unit. Gently lift the oven into its operating

IL1430

position.

16” & 28” stand installation, after following the assembly instructions that were provided with the stand, gently lower unit on to some cardboard as shown here. Align the stand with the bottom of the unit and secure with the hardware provided. With assistance, of carefully raise the unit to its vertical position.

Stacking the Ovens

Two alignment pins (pn:2C-20108-11) are needed if you intend on stacking two ECOH-C on each other as shown. These pins must be requested at the time of purchase, or call your Lang authorized service agent, or Lang parts department at 314-678-6315.

Having completed the previous step remove any and all button plugs from the lower unit, so the upper unit will lay properly.

Lay the upper unit on its back and screw the alignment pins into the two rear holes.

With assistance lift the upper unit onto the lower unit, being certain that the alignment pins go into the alignment holes, as shown here.

NOTE: Each unit must have separate electrical connections

Alignment Pins

pn: 2C-20108-11

Alignment Hole

IL1431

Page 8

Screw (2x)

INSTALLATION continued

Vent Cap

Certian units come equipped with a vent cap assembly, this gets installed on top of the unit as shown here. If your unit does not come equipped with this feature call the Lang parts department at 1-800-438-5264 to inquire.

This vent allows:

heat to escape from the electronic controls and motor assemlby more freely, allowing cooler air to enter through the side.

reduces the possiblitiy of blocking the vent or having objects or moisture falling into the controls & motor compartment possibly damaging sensitive electronic components.

Install Vent Cap

1. Unit should be turned off.

2. Align vent ange with mounting holes on top of the unit as shown here.

3. Secure in place with hardware provided.

4. Align the mounting holes on the vent cover, with the holes on the vent ange, and secure with

hardware provided.

Vent Cover

Screw (2x)

Vent Flange

Oven Top

IL1423

Vent Cap Assembly Installation, standard with certain models

Page 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 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,reextinguishersystems,mustconformtotheir 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: CSA STD. C22.1).

The electrical service entrance is provided by a 1 1/4-inch knockout at the oven back directly behind the control compartment. A grounding lug is provided at the rear service entrance.

The ECOH-C-VCN can be purchased with a Cord & Plug kit (Part number 9Q-ECOH-CK). This kit includes a 48” cord with a NEMA L15-30P plug. In stacked situations each units needs to have separate cord & plug assemblies.

Oven Voltage

The Lang Model ECOH ovens can be operated on 208, 240-volt (single or three phase), or 480-volt

(three phase only) source. The Amp draw, KW rating, and phasing can be found in the specication

section of this manual found on page 4.

THIS APPLIANCE MUST BE GROUNDED AT THE TERMINAL PROVIDED. FAILURE TO GROUND THE APPLIANCE COULD RESULT IN ELECTROCUTION AND DEATH.

INSTALLATION OF THE UNIT MUST BE DONE BY PERSONNEL QUALIFIED TO WORK WITH ELECTRICITY AND PLUMBING. IMPROPER INSTALLATION CAN CAUSE INJURY TO PERSONNEL AND/OR DAMAGE TO EQUIPMENT. UNIT MUST BE INSTALLED IN ACCORDANCE WITH ALL APPLICABLE CODES.

Page 10

Reversing the door

1. Disconnect oven from power.

2. Remove the top and bottom door hinge covers (4) by removing the two 10-32 Phillip head

screws (8).

3. Remove the top door hinge bracket (1) from the oven by removing the two ¼-20 Phillip head

screws (7). The hinge should now slide off of the door pin (this will now be your right hand lower hinge)

4. Lift the door off the bottom pin and set aside.

5. Remove the bottom door hinge bracket (2) by removing the two ¼-20 Phillip head screws (7)

(this will now be your upper right hand hinge).

6. Remove the lower hinge mounting plate (9) by pulling it from behind the leg pad adapter on the

bottom of the oven.

7. Remove the two Phillips head screws in the bottom right corner of the oven, where the new

hinge will be placed.

8. Slide the hinge mounting plate (9) into place and mount the hinge bracket (this should be your

old upper hinge) using two ¼-20 (7) Phillips head screws.

9. Remove the two Phillips head screws in the upper right corner of the oven where the new hinge

will be placed.

10. Rotate the door 180° and slide the door pin into the bottom hinge bracket.

11. Slide the upper door hinge (1) onto the upper door pin and then screw into place using

two ¼-20 Phillip head screws.

12. Place the top and bottom door hinge covers (4) back on the oven using two 10-32 Phillip head

screws (8).

IL1426

ECOH HINGE RELPACEMENT KIT

pn: Q9-50313-030

ITEM NO. QTY. PART NO. DESCRIPTION

3 4 5

6 7 8

9 10 11 12

50313-031

EH-267

70201-19

70201-01

20109-43

20109-15

eh-198-1

CR30-148

EH-265-1

1 1 EH-266-1

INSERT BEARINGS (ITEMS "5") INTO THE HINGES (ITEMS "1" & "2") AS SHOWN THEN REAM WITH A .508 REAMER.

HINGE PIN WELDMENT EH HINGE COVER

BOTTOM HINGE PLATE ASSY UPPER HINGE COVER FOR EH EH HINGE - TOP - FOR SVC KIT EH HINGE - BOTTOM - FOR SVC KIT

Page 11

INITIAL START UP

Pre-Power On

After th oven is installed and connected to power, prior to turning on, verify the following

• The door opens and closes freely

• All racks are in the oven correctly

• All packing materials have been removed from the inside of the oven

Power On

Once the oven has been turned “ON” verify that the blower wheel is moving freely in a clockwise position and that the elements are heating properly.

Switch the back-up controls on and make certain it can run the unit.

Conrm that the thermostat

knob in the back-up controls is move freely.

Switch the back-up controls OFF to take it out of back-up mode.

Blower Wheel

Back-Up Controls

NOTICE

IL1433

Duringtherstfewhoursofoperationyoumaynoticeasmallamountofsmoke

coming from the oven, and a faint odor from the smoke.

Thisisnormalforanewunitandwilldisappearaftertherstfewhoursofuse.

Page 12

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.

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

difcult to determine a nal 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.

Control Panel

The Control panel consists of the following items. Detailed operational descriptions are given later this section.

Power Switch: Turns the oven on and off

Status Display: Displays the oven status

(preheat, ready, done) and is the count down timer.

Shelf Timers: Numbered 1 to 6, these buttons represent different shelf positions.

Button # Shelf Position

1 Top Left 2 Top Right 3 Middle Left 4 Middle Right 5 Bottom Left 6 Bottom Right

Pace Timers: Labeled C, P, and E these buttons are adjustable from one to thirty minutes.

Minute Timers: There are two “Minute” timers. “1” is programmed for one minute, “2” is programmed for two minutes.

Temp Button: When pressed this button will display the temperature of the oven.

Program Enable Buttons: These are “hidden” buttons that allow the times of the shelf position buttons to be set.

Power Switch

Status Display

Shelf Timers

Temperature Button

Pace Timers

Minute Timers

Program Enable Button

IL1428

Page 13

General Operation & Programming cont.

Status Display

The Status Display informs the operator of the oven’s status.

Preht Stands for PREHEAT. The oven has been turned on and is adjusting to the preprogrammed temperature (310°F, 154°C).

Ready The oven has reached the preset temperature and is waiting for product to be loaded into the oven.

Cool The oven’s internal temperature is below what is programmed.

Hot The oven’s internal temperature is above what is programmed.

Done The time has expired for that program and the product is nished.

Help There is a fault in the control system; the computer will not operate until service is performed.

Control Panel Buttons

Place the product into the oven on one of the six shelf positions. Close the oven doors. Press the shelf position

Shelf Buttons

Minute and Pace Timers

button that corresponds to the shelf position once for “C” product, twice for “P” product, three times for “E” product,

or four times for off. A beeper will sound once the product is done and “done” will be displayed. Press the ashing

shelf to cancel the beeper.

The “1” button is preset to one minute, the “2” button is preset to two minutes, and the “Pace“ buttons are adjustable from one to thirty minutes. Press the button once to start the timer. The display will read out the programmed time and then revert to the previous read out. The timers will countdown internally. Time remaining can be recalled by pressing the button again.

Canceling a timer

Any timer can be cancelled at any time. Press and hold the timer to be cancelled until “cancel” appears in the display.

Here are some things to remember when loading your oven.

• When loading and unloading the oven, stage products and racks so the oven door is opened for the least amount of time.

• Be sure that racks are level within the oven.

• Bent or warped pans can greatly affect the evenness of the cook or bake.

• If using baker’s parchment, be sure the parchment does not blow over the product. The will create an uneven bake.

• Load each shelf evenly. Spaces should be maintained equally between the pan and oven walls, front and back.

• Do not overload pan’s this will create an uneven bake.

• For best baking results, load the oven from the center out during random loading.

ALWAYS KEEP THE AREA NEAR THE APPLIANCE FREE FROM

COMBUSTIBLE MATERIALS.

KEEP FLOOR IN FRONT OF EQUIPMENT CLEAN AND DRY. IF SPILLS OCCUR,

CLEAN IMMEDIATELY, TO AVOID THE DANGER OF SLIPS OR FALLS.

Page 14

General Operation & Programming cont.

Pace Timers

The pace timers can be set at any time. Press and hold the “PACE” button for three seconds. The display will read

out the set time then begin to ash. Press the “1” minute button to increase the time, or the “2” minute button to

decrease the time. Once the corrected time is set, press and hold the “PACE” button for three seconds to exit the programming mode.

Program Enable Buttons

The control cannot be put into the programming mode if any of the timers are running. The two blue dots above the “CINNABON” logo are the program enable buttons. Press the left dot then the right dot within 3 seconds to put the control into a programming mode. Once the shelf position buttons are set, press the left dot then the right dot within 3 seconds to exit the programming mode. There will be no beeper sound when the buttons are pressed.

Shelf Position Buttons

Put the control into the programming mode. Press the shelf button to be adjusted once for “C” product, twice for “P” product, or three times for “E” product. The display will read out “CURRENT SET TIME” then begin to ash. Press the one-minute timer button to increase the time, or the two-minute timer button to decrease the time. Once the correct time is set move on to another shelf position button or exit the programming mode.

MAINTENANCE

• Oven interiors should be wiped down daily and thoroughly cleaned weekly using warm water and mild detergent.

DO NOT use caustic cleaners.

• The appliance should be thoroughly checked at six-monthly intervals by a qualied technician (heating unit,

mechanical stability, corrosion...) with particular emphasis on all control and safety devices.

CLEANING

• Always start with a cold oven.

• The stainless exterior can easily be cleaned using stainless steel cleaner.

• Always follow the cleaner manufacturer’s instructions when using any cleaner.

• Care should be taken to prevent caustic cleaning compounds from coming in contact with the fan wheel.

• The oven racks, rack slides, may be cleaned outside the oven cavity using oven cleaner.

• 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 OUT OF CONTROLS. NEVER SPRAY OR HOSE

CONTROL CONSOLE, ELECTRICAL CONNECTIONS, ETC.

WARNING

MOST CLEANERS ARE HARMFUL TO THE SKIN, EYES, MUCOUS

MEMBRANES AND CLOTHING. PRECAUTIONS SHOULD BE TAKEN TO WEAR

CAUTION

CAREFULLY READ THE WARNING AND FOLLOW THE DIRECTIONS ON THE

RUBBER GLOVES, GOGGLES OR FACE SHIELD AND PROTECTIVE CLOTHING.

LABEL OF THE CLEANER TO BE USED.

NEVER LEAVE A CHLORINE SANITIZER IN CONTACT WITH STAINLESS STEEL

SURFACES LONGER THAN 10 MINUTES. LONGER CONTACT CAN CAUSE CORROSION.

Page 15

Troubleshooting

Symptoms & Possible Causes

The following are charts of Symptoms and Possible Causes to aid in diagnosing faults with your unit.

Refer to the symptoms column to locate the type of failure then to the Possible Cause for the items to be checked.

To test for a possible cause refer to test to identify test procedures. Test indicated with an “*” should be done by a Lang factory authorized service representative.

Symptoms Possible Cause

No power to cord outlet

Power indicator is not lit

Oven will not heat

Oven motor will not run

Product burning

Product is under done

Oven unplugged from outlet

Failed Power cord or plug

Failed power switch

Failed indicator light

Power Switch is not “ON”

Failed Transformer

Failed Probe

Failed Circuit board

Failed Contactor

Failed Over-temperature Thermostat

Failed Element

Power Switch is not “ON”

Failed Transformer

Failed Contactor

Failed Motor

Product is cooked too long

Failed Probe

Failed Circuit board

Product is not cooked long enough

Failed Probe

Failed Circuit board

Possible Cause Test

Product is cooked too long

Failed Probe Check probe for proper resistance*

Failed Circuit board

Failed Transformer

Failed Contactor

Failed Motor

Failed or disconnected safety thermostat

Failed Element

No test available, operational condition

Conrm that Circuit board is getting

correct voltage and putting out correct voltage*

Check both Primary and Secondary coils for correct voltage*

Remove the wires from the contactor coil and check for continuity across the contactor coil connection*

Ensure the contactor moveable points move freely up and down*

Conrm that motor is getting correct

voltage*

Check across the thermostat connectors for continuity*

Conrm that Elements are getting

correct voltage and have continuity*

NOTICE If an item on the list is followed by an asterisk (*), the work should be done by

a Lang factory authorized service representative.

USE OF ANY REPLACEMENT PARTS OTHER THAN THOSE SUPPLIED BY

LANG OR THEIR AUTHORIZED DISTRIBUTORS CAN CAUSE BODILY INJURY

CAUTION

TO THE OPERATOR AND DAMAGE TO THE EQUIPMENT AND WILL VOID ALL WARRANTIES.

NOTICE ServiceonthisoranyotherLangappliancemustbeperformedbyqualied

personnel only. Consult your Lang Authorized Service Agent Directory. You can call our toll free number 314-678-6315 or visit our website WWW.LANGWORLD.COM for the service agent nearest you.

BOTH HIGH AND LOW VOLTAGES ARE PRESENT INSIDE THIS APPLIANCE

WHEN THE UNIT IS PLUGGED/WIRED INTO A LIVE RECEPTACLE. BEFORE

WARNING

REPLACING ANY PARTS, DISCONNECT THE UNIT FROM THE ELECTRIC POWER SUPPLY.

Page 16

Amps 3 Phase

L1-N L2-N L1-N Total L1 L2 L3 N

VoltModel

220/380 2.1 2.1 2.4 6.7 9.5 9.5 10.9 10.9

230/400 2.3 2.3 2.6 7.2 10.0 10.0 11.3 18.3

240/415 2.5 2.5 2.8 7.8 10.4 10.4 11.6 11.6

EHS-C

ECOH-C,

Amps 3 Phase

Kw Per Phase

L1-L2 L2-L3 L1-L3 Total L1 L2 L3

208 2.5 2.5 2.8 7.8 22.1 20.8 22.1

240 2.5 2.5 2.8 7.8 19.1 18.0 19.1

VoltModel

EHS-C

ECOH-C,

24 POLE

Power Connection Phasing Instructions

Wiring Three Phase Wiring Single Phase

240 1 & 4 2 & 5 3 & 6 - 1, 3 & 5 2, 4, & 6 -

440 1 & 4 2 & 5 3 & 6 - 1, 3 & 5 2, 4, & 6 -

208 Line 1 Line 2 Line 3 Neutral Line 1 Line 2 Neutral

Voltage

230/380 123 2, 4, & 6 1, 3 & 5 - 2, 4, & 6

230/400 123 2, 4, & 6 1, 3 & 5 - 2, 4, & 6

240/415 123 2, 4, & 6 1, 3 & 5 - 2, 4, & 6

HEATERS

2500W EA.

TERMINAL BLOCK

208 / 240

208 / 240 / 480

1 - PHASE

3 - PHASE

220 / 380

230 / 400

240 / 475

1 - PHASE

220 / 380

230 / 400

240 / 475

3 - PHASE

PWR TERMINAL BLOCK VIEWS

5/22/2009

RTD SENSOR

2M-61111-39 Rev K

OPTIONAL

WATER VALVE

SYSTEM PROCESSOR

24V

HEAT

FAN

STM

HI-LO

ENERGY SWITCH

GROUND LUG

HI LIMIT

DISC STAT

CONTACTOR #2

OPT

STM SW

CONNECTOR

THERMOSTAT

CONTACTOR #1

DOOR SWITCH

NCNOC

CAP

SWITCH

BACK-UP

BACKUP

RELAY

MODELS:

ECOH-C & EHS-C-208/240V W/STEAM OPTION

MOTOR

SEE

BOTTOM

FOR PWR

TERMINAL

OF DRAWING

RIGHT CORNER

BLOCK

CONNECTOR

DETAILS

SWITCH POWER

XFMR WIRED FOR 208V

TO CHANGE TO 240V

DISCONNECT RED 208 LEAD

& CONNECT ORANGE 240 LEAD

TO TERM BLOCK

DO NOT CONNECT BOTH

240

208

240

TRANSFORMER 10VA

Page 17

CAPACITOR

SNUBBER

47Z1

ZHR14X431

24 POLE TERMINAL BLOCK

RTD SENSOR

NC C NO

2M-61111-103-CE Rev B 7-23-08

HEATERS

2500W EA.

ENERGY SWITCH

C NO NC

DOOR SWITCH

THERMOSTAT

OVERTEMP

CONTACTOR

HEAT

MOTOR

CONNECTOR

CONTACTOR

MOTOR

MOTOR RELAY

SECONDARY

CAP

NORMAL

THERMOSTAT

BACKUP

HEAT

FAN HI

STEAM

SWITCH

BACKUP

RELAY

BACKUP

SYSTEM PROCESSOR

24V

FAN LO

MODELS:

ECOH-2/4CECN Electric Half Size Convection Oven

GROUND LUG

L1L2L3

POWER

SWITCH

CONTACTOR

SAFETY

TERMINAL

BLOCK

240

TRANSFORMER 10VA

Page 18

REVISIONS

REV. DATE/ECO DESCRIPTION OF CHANGE DR

208 / 240

1 - PHASE

220 / 380

230 / 400

240 / 475

1 - PHASE

480V. 3 PH.

INLET POWER CONNECTION

24 POLE

TERMINAL BLOCK

240V.

24V.

L2L3L1

208 / 240 / 480

3 - PHASE

220 / 380

230 / 400

240 / 475

PWR TERMINAL BLOCK VIEWS

3 - PHASE

RTD SENSOR

OPTIONAL

HEATERS

2500W EA.

WATER VALVE

HEAT

FAN

STM

SYSTEM PROCESSOR

24V

HI LIMIT

GROUND LUG

DISC STAT

CONTACTOR #2

OPT

STM SW

CONNECTOR

THERMOSTAT

CONTACTOR #1

DOOR SWITCH

NCNOC

CAP

SWITCH

BACK-UP

BACKUP

RELAY

REV:

CHK. DATE :

SHEET

CHK. BY :

REV. DATE :

MOTOR

CONNECTOR

2M-61111-W23

REV. BY :

DWG. NO:

00-00-00

XFMR WIRED FOR 240V

TO CHANGE TO 208V

DISCONNECT ORANGE 240 LEAD

& CONNECT RED 208 LEAD

TO TERM BLOCK

DO NOT CONNECT BOTH

SWITCH POWER

240

208

240

DWN. DATE :

TRANSFORMER 10VA

WIRING DIAGRAM ECOH-C-480V W/STEAM

DLG

FROM ACAD

CAD FILE :

DESCRIPTION:

480

240

DWN. BY :

SEE

BOTTOM

OF DRAWING

RIGHT CORNER

BLOCK

DETAILS

FOR PWR

TERMINAL

Page 19

Page 20

See

Door Assembly

See Body Assembly

Controller / Panel

See

Assembly

ECOH-C Complete Assembly

SK2330 Rev. B 1/24/14

Page 21

PARTS LIST July 13, 2015, Rev G

Model No: ECOH-C2/3VCN, ECOH-C2/4VCN, ECOH-C208CNF, ECOH-C208VCN, ECOH-C240VCN, ECOH-2/4CECN

Commercial Half Size Economy Convection Oven

Key

Number

1 2N-11090-20 1 ELMNT EHS 208V 7.5KW ECOH-C208VCN 2N-11090-23 1 ELMNT EHS OVEN 208VAC 5.0 ECOH-C208CNF 2N-11090-21 1 ELMNT EHS 240V 7.5KW ECOH-C2/3VCN, ECOH-C2/4VCN, ECOH-

2N-11090-22 1 ELE EHS OVN 480VAC 7.5KW ECOH-C480VAC 2 Q9-EH-623-1 1 VENT CAP ASSY - EHS ECOH-C208CNF, ECOH-C208/240VCN

3 2E-30700-06 3 CONTC 3POLE 35A, 24VAC 50 ECOH-C2/3VCN, ECOH-C2/4VCN,

4 2C-20102-06 6 SCRW PHD ST 8-32X.375 ECOH-C2/3VCN, ECOH-C2/4VCN,

5 Q9-EHPLMDR-C 1 PNL EH 208/240V CINNABON ALL Q9-EHPLMDR-HCE 1 PNL EH 220/380/240/415 CE ECOH-2/4CECN 6 2U-71500-06 1 BLOWER WHEEL EHS OVEN ALL 7 2U-30200-12 1 MTR 1/3HP 115/208-240 1PH ECOH-C2/3VCN, ECOH-C208VCN 2U-30200-17 1 MTR 1/3HP208/204V1PH2SPD ECOH-C208CNF 2U-30200-16 1 MTR 1/3HP 460V/1/60HZ 2SP ECOH-C480VAC 14 Q9-60102-1368 MOTOR COVER EH (EH-141) & HRDW ALL 18 2C-20301-10 2 NUT HEX 6-32 PLTD ALL 19 2C-20101-65 2 SCRW MS PLT 10-32 X .25 THD ALL 20 Q9-EH-356 1 SWITCH BRACKET ALL Q9-EH-356-2 1 DOOR SWITCH BRACKET - CE ECOH-2/4CECN 21 2C-20101-17 2 SCRW RND MS 6-32X1 PLTD ALL 22 Q9-EH-363 1 SWITCH ARM, MICRO ALL 23 2P-51001-12 1 SPRING COMPRSN.665ID X 1.4 LONG ALL 24 Q9-EH-250 1 WELD SWITCH ARM ALL 25 Q9-EH-350-W1 1 SWITCH PLUNGER - ASSY ALL 27 Q9-60102-112 1 SWITCH DOOR - ASSY EH ALL 29 Q9-51100-53 1 CMPL DOOR ASSY EHS/GHS WINDOW ALL 30 2B-50200-97 2 RACK SLIDE - EHS - MB ECOH-C2/3VCN, ECOH-C2/4VCN, ECOH-

31 2E-41100-12 1 SENSOR EHS OVEN 450° ECOH-C2/3VCN, ECOH-C2/4VCN, ECOH-

NI 2B-50200-34 4 RACK HALF SIZE OVENS ALL NI 2B-50200-34 5 RACK HALF SIZE OVENS ECOH-C2/4VCN NI 2C-20108-01 2 STACKING PINS NI 2K-70801-02 2 SNAP BUSH 1 3/8 SB1375-16 ECOH-C2/3VCN NI 2K-70801-04 8 SNAP BUSH 3/4 SB750-10 NI 2M-61111-39 WD EHS-C OVEN ALL NI Q9-60102-97 1 DOOR SEAL EH w/ mounting hardware NI 2E-30500-15 1 TRM BLOCK 4 POLE 115AMP ECOH-C2/3VCN, ECOH-C2/4VCN NI 2E-30701-05 1 RELAY 2POLE 30A 24VAC ECOH-C2/3VCN, ECOH-C2/4VCN, ECOH-

Part

Number

Qty Per

Description

C240VCN, ECOH-2/4CECN

(UNITS MFG BEFORE 2/8/2008)

ECOHC208CNF, ECOH-C208VCN, ECOHC240VCN

C20CNF, ECOH-C208VCN, ECOH-C240VCN

C208CNF, ECOH-C208VCN, ECOH-C240VCN

IMPORTANT: WHEN ORDERING, SPECIFY VOLTAGE OR TYPE GAS DESIRED PAGE

INCLUDE MODEL AND SERIAL NUMBER OF

Some items are included for illustrative purposes only and in certain instances may not be available.

Page 22

ECOH Body Assembly

SK2325 Rev. B 1/18/2013

Page 23

PARTS LIST July 13, 2015, Rev G

Model No: ECOH-C2/3VCN, ECOH-C2/4VCN, ECOH-C208CNF, ECOH-C208VCN, ECOH-C240VCN, ECOH-2/4CECN

BODY PANELS Commercial Half Size Economy Convection Oven

Key

Number

1 Q9-EH-129-5 1 TOP - BODY W/VENT ALL 2 Q9-60102-1361 1 BODY BACK EH & HRDW ALL 3 Q9-EH-119-2 1 FIREWALL - ASSY ALL 4 Q9-EH-135 1 SAFETY STAT BOX ALL 5 2T-30401-09 1 STAT FXD 500° DEG OPEN ALL 6 Q9-EH-136 1 SAFETY STAT COVER ALL 7 2K-70801-04 1 SNAP BUSH 3/4 SB750-10 BLK ALL 8 2C-20103-02 2 SCRW SM PLT 10 X .5 PHLSL ALL 9 Q9-60102-1364 1 BODY R/H SIDE EH & HRDW ALL 10 2C-20104-41 4 SCRW MACH. 1/4-20X5/8 H/H ALL 11 Q9-EH-209 1 MOTOR MOUNT ALL 12 2C-20202-08 4 WSHR PLT 5/16 LOCK SPLIT ALL 13 2C-20201-09 4 WSHR PLT 5/16 FLAT SAE ALL 14 2C-20301-06 4 NUT HEX 5/16-18 PLTD ALL

15 Q9-EH-104-2 1 BOTTOM SPOT WELD ALL 16 Q9-EH-215-2 1 FRONT - ASSY REVERSIBLE ALL 17 Q9-EH-452-2 1 BAFFLE STD ALL Q9-EH-452-3 1 BAFFLE ASSY STEAM STEAM 18 Q9-EH-374-3 1 CAN ASSY STD -[NEW RACK ALL 19 Q9-60102-1365 1 BODY L/H SIDE EH & HRDW ALL 20 Q9-60102-120 1 SAFTEY T-STAT BOX EX ALL

Part

Number

Qty Per

Description

IMPORTANT: WHEN ORDERING, SPECIFY VOLTAGE OR TYPE GAS DESIRED PAGE

INCLUDE MODEL AND SERIAL NUMBER OF

Some items are included for illustrative purposes only and in certain instances may not be available.

Page 24

MARINE APPLICATION

ECOH, RCOH Door Assembly

SK2321

Rev. A 3/1/2012

Page 25

PARTS LIST July 13, 2015, Rev G

Model No: ECOH-C2/3VCN, ECOH-C2/4VCN, ECOH-C208CNF, ECOH-C208VCN, ECOH-C240VCN, ECOH-2/4CECN

Door Assembly Commercial Half Size Economy Convection Oven

Key

Number

0 Q9-51100-53 1 COMPLETE DOOR ASSY w/WINDOW ALL

Q9-F6-423 1 COMPLETE DOOR ASSY w/o WINDOW OPTIONAL

1 2R-50800-12 1 DOOR T HANDLE 11 1/2 LNG ALL

2 Q9-60102-1362 1 OUTER DOOR EH NO/LOGO ALL

3 2Q-71301-04 1 WINDOW ASSY 9-5/8X16-5/8 ALL

4 2H-60106-17 1 INSULATION KIT EHS DOOR - ALL

5 Q9-EH-267 2 HINGE COVER ALL

6 Q9-EH-266 1 HINGE BOTTOM ALL

7 2C-20109-15 4 SCRW PHD MS SS 10-32X1/2 ALL

8 2P-70201-01 2 BRNZBR.505IDX.8750DX.175 ALL

9 Q9-EH-265 1 HINGE TOP ALL

10 2P-70201-19 2 BRNZBRFLN1/2IDX5/8ODX3/8 ALL

11 Q9-50313-031 2 HINGE PIN - WELD ALL

12 N/A 1 DOOR LATCH ASSY

Part

Number

Qty Per

Description

IMPORTANT: WHEN ORDERING, SPECIFY VOLTAGE OR TYPE GAS DESIRED PAGE

INCLUDE MODEL AND SERIAL NUMBER OF

Some items are included for illustrative purposes only and in certain instances may not be available.

Page 26

ECOH-C Complete Assembly

SK2331 Rev. - 11/14/2007

Page 27

PARTS LIST July 13, 2015, Rev G

Model No: ECOH-C2/3VCN, ECOH-C2/4VCN, ECOH-C208CNF, ECOH-C208VCN, ECOH-C240VCN, ECOH-2/4CECN

CONTROL PANEL ASSEMBLY Commercial Half Size Economy Convection Oven

Key

Number

1 2C-20102-08 15 SCRW PHD ST 8-32X.375 ALL 2 2E-31400-12 1 XFRMR 240V/12V 10VA CLASS ALL 2E-31400-28 1 XFORMR208-240/24VCT 40VA ECOH-2/4CECN 2E-31400-04 1 XFRMR 480/240VAC 100VA ECOH-C480VCN 3 Q9-EH-513 1 24V TANSFORMER SHIELD ALL 4 Q9-EH-501 1 TRIMLOCK 3 ALL 5 2E-30700-06 3 CONTC3POLE35A24VAC50/60HZ ALL 2E-30702-02 3 CONTC 4POLE 24V 25FLA CE ECOH-2/4CECN 6 2C-20102-05 2 SCRW HXHD ST 8-32X.75 ALL 7 2E-30503-01 1 TRM BLOCK 24 POS QK CON ALL 8 Q9-EH-507 1 TERMINAL BLOCK MOUNT ALL 9 2E-31400-07 1 XFORMR120-208-240/24V40VA ALL 9 2E-31400-28 1 XFORMR208-240/24VCT 40VA ECOH-2/4CECN 10 2K-70801-04 4 SNAP BUSH 3/4 SB750-10 ALL 11 2J-40102-17 1 BUZZER BOARD ASSY ALL 12 2C-20103-06 2 SCRW SM PLT 6 X 3/8 PHL ALL 13 Q9-GCCO-355 1 BUZZER BOARD MOUNT ALL 14 2E-30303-06 3 SWT TOG ON-ON DPDT BLK ALL 2E-30303-19 3 SWT TOG ON-ON DPDT BLK ECOH-2/4CECN 15 Q9-EH-509 1 SWITCH BRACKET ALL 16 2T-30402-27 1 STAT ADJ 450 DEG 48 PILOT ALL 2T-30402-37 1 STAT ADJ 450 DEG45 PILT ECOH-2/4CECN 17 2C-20101-77 2 SCRW MS PLT 6-32 X .25 ALL 18 Y9-70701-19 1 KNOB ASSY 450o D ALL P9-70701-58 1 KNOB ASSY 450° D CELCIUS ECOH-2/4CECN 19 2E-30303-09 1 SWT PLATE HI/LOW ALL 20 2E-30303-05 1 SWT PLATE ON/OFF IND ALL 21 2C-20102-12 7 SCRW PHD ST 10-32X3/8 ALL 22 2C-20101-51 6 SCRW MS PLT 8-32 X .1875 ALL 23 Q9-EH-503 1 FRONT PANEL HOLDER C,P,PP ALL 24 2E-30600-02 1 RELAY 240VAC 3FORMC FLNG ALL 25 Q9-40102-53 1 CIRBD CPU/FRONT PANEL ALL 26 2M-60301-83 1 PANEL LBL PURPLE-CUSTOM ALL 27 Q9-EH-518 1 CONTROL PANEL - C ALL 28 2C-20101-24 4 SCRW MS PLT 10-32 X .375 ALL 29 Q9-40102-60-2 1 CRBD CPU/FRT PANEL CINN ALL NI 2E-30500-15 1 TRM BLOCK 4 POLE 115AMP ECOH-2/4CECN

Part

Number

Qty Per

Description

IMPORTANT: WHEN ORDERING, SPECIFY VOLTAGE OR TYPE GAS DESIRED PAGE

INCLUDE MODEL AND SERIAL NUMBER OF

Some items are included for illustrative purposes only and in certain instances may not be available.

Page 28

STAR INTERNATIONAL HOLDINGS INC. COMPANY

Star - Holman - Lang - Wells - Bloomeld - Toastmaster

10 Sunnen Drive, St. Louis, MO 63143 U.S.A.

(314) 678-6303

www.star-mfg.com