WARNING
WARNING
INSTALLATION continued
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 in the bottom right front corner
of each oven, or at the oven back directly behind the control compartment.
.
Grounding lugs are provided at both the front and rear service entrances.
The 208/240-volt oven is a dual voltage oven and is shipped from the factory as 208 volt. The oven
must be field converted to operate on a 240-volt power supply. To convert the oven to 240 volt,
remove the jumper wire located under the control compartment behind the bottom trim piece.
.
As well as changing the transformer input wire to the 240V, color on the primary side of transformer
(see illustration below).
With 380V, 440V & 480-volt installations check to be sure that the motor rotates in a clockwise
direction as viewed from the front of the oven. To reverse the motor rotation, switch any two
incoming power supply leads and recheck the rotation.
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 or in the specifications
.
section on page 4..
208/240V ovens can be installed on both single and three-phase supplies and is shipped from the
factory for three-phase. To phase the oven to match the power supply, follow the charts on the
.
wiring diagram located at the back of the manual.
Certain units are provided with or can be purchased with a Cord & Plug kit
.
(Part number 9Q-ECOF-CK)
. This kit includes a 48” cord with a NEMA L15-50P plug and is
for 208/240V units ONLY. In stacked situations each units needs to have separate cord & plug
assemblies.
Oven Voltage
The Lang Model ECOF & ECOD ovens can be operated on 208, 240-volt (single or three phase), or
380/440/480V (three phase only) source. The Amp draw, KW rating, and phasing can be found in
specification section of this manual.
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.
208/240V
Transformer
208/240V
Jumper Location
Trim Piece
IL1593
Left: 208/240V Dual Volatage units are shipped as
208V and must be field converted to 240V.
