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2M-W491 Half Size Convection Oven, ECOH-AP

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 equip-
ment. The same control settings will always give the 
same results.   
If the results vary, problems may be because of 
changes in the product preparation.

ECOH-AP 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

Pulse Fan Switch:

 

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 Switch:

 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 Switch

Timer

Pulse Fan Switch &

Hi/Low Speed Switch

Temperature 

Control

IL1457

Heat Call Light

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 ECOH-AP

Page 1: ...ELECTRIC HALF SIZE CONVECTION OVEN ECOH AP RCOH AP Installation and Operation Instructions 2M W491 Rev F 4 12 12 ECOH AP IL1474...

Page 2: ...ZED 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...

Page 3: ...Possible Causes 14 Wiring Diagram 208 240VAC 7 8kW 15 480VAC 7 8kW 16 220 380V 240 415V 17 208 240V 7500W for RT30 Range Top 18 208 240V 5 3kW 2 Spd Mtr 19 Exploded View Parts List 20 28 PROBLEMS QUE...

Page 4: ...ECOH AP208FA 220 380 50 60 3 3 1 3PH 4WIRE 11 6 7 30 10 11 10 10 12 ECOH AP 208M 208 60 3 3 1 3 7 8 38 8 23 21 23 10 ECOH AP 208V 208 60 3 3 1 3 7 8 38 8 23 21 23 10 ECOH AP240CF 240 60 3 3 1 3 5 3 22...

Page 5: ...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...

Page 6: ...ier 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...

Page 7: ...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 o...

Page 8: ...ocally recognized installation standards 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 9: ...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 20 Phillip head screws 7 this will now b...

Page 10: ...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 Confirm that the thermostat knob...

Page 11: ...is a mechanical piece of equip ment The same control settings will always give the same results If the results vary problems may be because of changes in the product preparation ECOH AP Control Panel...

Page 12: ...cook or bake If using baker s parchment be sure the parchment does not blow over the product That will create an uneven bake Load each shelf evenly Spaces should be maintained equally between the pan...

Page 13: ...es may be cleaned outside 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...

Page 14: ...TICE 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 THE...

Page 15: ...L2 2 4 6 1 3 5 SINGLE PHASE SERVICE CONNECTIONS TERMINAL BLOCK 12 POLE GROUND LUG SWITCH 2 SPEED HEAT LIGHT 24VAC CONTROL C ON LIGHT PULSE C TOP 24VAC NC C NO 24VAC TIMER 2 3 4 5 6 7 8 9 10 12 POSITI...

Page 16: ...L2 L3 KW AMPS 480 2 5 2 5 2 8 7 8 9 5 9 0 9 5 TERMINAL BLOCK 12 POLE GROUND LUG SWITCH 2 SPEED HEAT LIGHT 24VAC CONTROL C ON LIGHT PULSE C TOP 24VAC NC C NO 24VAC TIMER 2 3 4 5 6 7 8 9 10 12 POSITION...

Page 17: ...BEL SEPERATE FILE DJS D D D D POWER SWITCH D D C CONTACTOR 2 24VAC GROUND LUG 12 POLE TERMINAL BLOCK D C B TERMINAL BLOCK SINGLE PHASE 5 3 1 6 4 2 1 N 2 5 4 3 6 1 HEAT D BUZZER T7 T4 T9 P1 NO NC C 1 2...

Page 18: ...5 3 6 8 7 5 8 7 5 6 1 3 6 38 6 21 723 7 7 9 8 5 32 5 6 7 38 6 02 7 9 7 3 21752 3 7 50 1 2 7 50 1 2 57 326 7 21 6 7 7 0 5 8 5 9 217 725 250 5 5 25 9 72 1 72 9 6 211 7 5 211 7 25 1 72 32 5 6 7 2 127 21...

Page 19: ...19 2M W491 Half Size Convection Oven ECOH AP WD for ECOH AP208CF ECOH AP240CF...

Page 20: ...8 2 3 4 5 6 7 15 23 25 24 26 19 20 21 22 17 18 16 29 30 See Door Assembly 28 27 See Body Assembly See Controller Assembly See Panel Assembly SK2320 Rev B 6 1 2009 ECOH Complete Assembly 10 11 12 9 13...

Page 21: ...RCOHAP 480V 480VM RCOHRAP 480M 480V Q9 EHPPP C PANEL EH 208 240V PURPLE w COOLING FAN ASSY ECOH PP 208V 208BK 208WB 240BK 240WB Before 6 01 2009 Q9 EHPPP C W1 PANEL EH 208 240V PP ECOH PP 208V 208BK 2...

Page 22: ...50 1 SWITCH PLUNGER ASSY ECOH RCOH 27 Y9 70701 18 1 KNOB ASSY 450 ECOH AP ECOH PT ECOH PP RCOH AP RCOH PT 28 Q9 60102 112 1 SWITCH DOOR ASSY EH ECOH PP 208V 29 Q9 60101 765 1 ECOH PT EHS PT CNTROL FRO...

Page 23: ...16 15 9 10 11 12 13 14 2 3 4 20 5 6 7 8 17 18 19 1 SK2325 Rev B 1 18 2013 ECOH Body Assembly...

Page 24: ...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...

Page 25: ...SK2321 Rev A 3 1 2012 ECOH RCOH Door Assembly 5 6 4 3 2 1 10 8 11 12 11 10 5 13 14 7 8 9 MARINE APPLICATION...

Page 26: ...R 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...

Page 27: ......

Page 28: ...SK2322 Rev A 5 12 08 ECOH AP Control Assembly 4 4 3 2 1 4 5 8 9 6 12 13 4 14 15 1 11 7 10...

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