Lang ECOH-PP Operators Manual
ELECTRIC HALF SIZE
COMPUTERIZED
CONVECTION OVEN
ECOH-PP
Installation and
Operation
Instructions
2M-W494 Rev. E 3/24/15
ECOH-PP
1
IL1475
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 specications 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 specications 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 specications. 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:
2
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.
TABLE OF CONTENTS
Specications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Equipment Description . . . . . . . . . . . . . . . . . . . . . . . . 5
Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Installation
Leg Installation . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Stacking the Oven . . . . . . . . . . . . . . . . . . . . . . . . . 7
Ventilation & Clearance . . . . . . . . . . . . . . . . . . . . . . 8
Electrical Connection . . . . . . . . . . . . . . . . . . . . . . . 8
Oven Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Reversing the door . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Initial Start-Up
Pre-Power On . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Power On . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
General Operation & Programming
Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Loading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Daily Operation . . . . . . . . . . . . . . . . . . . . . . . . . .13
Program Menu Record Table . . . . . . . . . . . . . . . . . . . 14
Programming Procedures . . . . . . . . . . . . . . . . . . . . 15-16
Maintenance / Cleaning . . . . . . . . . . . . . . . . . . . . . . 17
Troubleshooting
Symptoms & Possible Causes . . . . . . . . . . . . . . . . . .18
Wiring Diagram
ECOH-PP 208-240V WD61111-147 . . . . . . . . . . . . . . . . 19
ECOH-PP 220-380V, 240V-415V w 2SPD CE WD61111-170 . .20
ECOH-PP 220-380V, 240-415V WD61111-151 . . . . . . . . . . 21
ECOH-PP 480V WD61111-168 . . . . . . . . . . . . . . . . . . 22
Exploded View & Parts List . . . . . . . . . . . . . . . . . . . . . 24-34
NOTICE ServiceonthisoranyotherLangappliancemustbeperformedbyqualied
personnel only. Consult your Lang Authorized Service Agent Directory. You
can call our tech service number 314-678-6315 or visit our website
www.langworld.com for the service agent nearest you.
3
SPECIFICATIONS
30.2”
25.3”
30.2”
Model Height x Width x Depth Clearance from Weight
(without optional stand) combustible surface Installed Shipping Freight Class
ECOH 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)
766mm
25.3”
642mm
53.3”
1353mm
28.0”
711mm
STAND OPTIONAL
Front Side View Top ViewRight Side View
643mm
25.3”
642mm
28.0”
711mm
3.0”
76mm
Electrical
Connection
766mm
25.3”
642mm
ElectricalSpecications
Model No VOLTS AC Hz.
MOTOR
AMPS PHASE
AMPS 3PH/
NTRAL
KW
TOT.
AMPS
1 PH
WIRE
1 PH L1 L2 L3
ECOH-PP2/4BK 240/415 50/60 3.3 3PH 11 7.8 11 10.5 10.5 12
ECOH-PP208BK 208 60 3.3 1/3 7.8 38 8 23 21 23 10
ECOH-PP208BR 208 60 3.3 1/3 7.8 38 8 23 21 23 10
ECOH-PP-208V 208 60 3.3 1/3 7.8 38 8 23 21 23 10
ECOH-PP-240V 240 60 2.6 13 7.8 33 8 20 18 20 12
ECOH-PP208WB 208 60 3.3 1/3 7.8 38 8 23 21 23 10
ECOH-PP240BK 240 60 2.6 1/3 7.8 33 8 20 18 20 12
ECOH-PP240WB 240 60 2.6 1/3 7.8 33 8 20 18 20 12
IL1454
20.8”
529m
WIRE
3 PH
4
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 efciency
and reduced heat loss.
Door Handle
Controls
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.
Width
Depth
Back-Up Controls
Motor Cover
Height
IL1455
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 208V, or 240V (single or three phase), or 480V (three phase).
The oven can be shipped with a Power Cord and Plug attached, but must be specied 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 back side of the oven above the power cord.
The oven voltage, wattage, serial number, wire size, and clearance
specicationsareonthedataplate.Thisinformationshouldbecarefullyread
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 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.
6
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
position.
IL1430
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 the
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
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
7
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,reextinguishersystems,mustconformtotheir
applicable National, State and locally recognized installation
standards.
WARNING
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.
Certain units are provided with or 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 and is for 3 Phase units ONLY. 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 240/415V,
480-volt (three phase only) source. The Amp draw, KW rating, and phasing can be found in specication
section of this manual or on the nameplate attached to the unit..
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.
8
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).
8
4
5
6
6
5
8
7
7
4
8
1
1
8
12
8
IL1426
10
11
ECOH HINGE RELPACEMENT KIT
pn: Q9-50313-030
ITEM NO. QTY. PART NO. DESCRIPTION
3
4
5
8
6
7
8
9
10
11
12
50313-031
2
EH-267
2
70201-19
2
70201-01
2
20109-43
2
20109-15
8
eh-198-1
1
CR30-148
1
EH-265-1
1
1 EH-266-1
9
INSERT BEARINGS (ITEMS "5") INTO THE HINGES
(ITEMS "1" & "2") AS SHOWN THEN REAM WITH A
.508 REAMER.
8
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
9
INITIAL START UP
Pre-Power On
After the 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 spinning 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,
Conrm that the thermostat
knob in the back-up controls is
move freely.
Blower Wheel
NOTICE
USB Connection
Units are now supplied with a
USB connection, located with
the the Back-Up Controls. This
is for future programming needs
of your unit and is not part of
the units initial start-up or daily
operation.
Back-Up Controls
IL1456
Duringtherstfewhoursofoperationyoumaynoticeasmallamountofsmoke
coming from the oven, and a faint odor from the smoke.
Thisisnormalforanewunitandwilldisappearaftertherstfewhoursofuse.
10
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