Middleby CTX GEMINI Series Owner'S Operating And Installation Manual Download Page 17 | Manualshive

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17

SECTION 3 – OPERATION

A. LOCATION OF CONTROLS

1. Operation Controls

The following information provides a basic description of the oven’s controls, their locations and the
functions they perform. It is necessary that the operator be familiar with them.

Fan Warning Light:

The light will

illuminate when inside control compartment
Reaches130°F (54.4°C).

Cooling Fan, Grille and Filter:

Air is

drawn through the grille and foam filter by a

                                                                 24 volt DC cooling fan located immediately
                                                                 behind. The fan circulates air throughout
                                                                 the entire electrical raceway to cool the
                                                                 front panel, top panel, and the electrical
                                                                 components.

Circuit Breakers:

(3 amp) Provides

overload protection for the control circuit.

On/Off Switch:

Turns oven on or off.

Figure 3-1

Operating Controls

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Summary of Contents for CTX GEMINI Series

Page 1: ...AL CTX GEMINI SERIES OVENS DZ33I CTX 1400 Toastmaster Drive Elgin IL USA 60120 847 741 3300 A Middleby Company www middleby com Part No 69982 Revision B 4 11 2018 Model No _________________Serial No __________________________Installation Date________ ...

Page 2: ... airflow heaters conveyor components door mechanisms microswitches thermostatic controls and replacement of bushings light bulbs circuit breakers fuses indicating lights and wear points are not covered by this no quibble limited warranty Seller shall be responsible only for repairs or replacements of defective parts performed by Seller s authorized service personnel Authorized service agencies are...

Page 3: ...her than genuine CTX factory manufactured parts relieves the manufacturer of all warranty and liability NOTICE CTX Manufacturer reserves the right to change specifications at any time WARNING The equipment warranty is not valid unless the oven is installed started and demonstrated under the supervision of a factory certified installer FOR YOUR SAFETY DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE...

Page 4: ...ven 28 29 D Time and Temperature Guide 30 36 SECTION 4 CLEANINING 37 A Cleaning the Cooling Fan Filter 37 B Oven Cleaning Operation 37 38 C Cleaning Loose Parts 38 D Cleaning the Exterior 38 SECTION 5 MAINTENANCE TROUBLESHOOTING 39 A Chart 1 Error Messages 39 B Chart 2 Troubleshooting 40 SECTION 6 PARTS LISTS Key Spare Part List 41 Oven Open Rear View 42 Oven Elements Exposed View 43 Oven Front Cl...

Page 5: ...ronically controlled CTX Oven Model DZ33I 31 787 mm long cooking chamber with a MenuSelect control NOTE DZ designation on ovens stands for DZ Duel Zone Temperature Control Figure 1 DZ33I This manual must be kept for future reference Note Wiring diagrams are contained in this manual and are also located in the oven ...

Page 6: ...ate Figure 1 2 Locking Casters Oven Base with Legs Control Circuit Breakers Cooling Fan On Off Switch Conveyor Control with Digital Display Draft Curtain Conveyor Belt Or Belts Crumb Tray Cooking Chamber Conveyor Motor Fan Warning Light ...

Page 7: ... air through which they pass Instead the waves are absorbed by the outer surface of the product transported through the oven on the conveyor belt Using this application food is placed on the conveyor and the unique properties of the infrared waves cause it to cook from the outside to the center in traditional fashion Figure 1 3 DZ33I Heat Zones 3 Conveyor The conveyor is used to convey the product...

Page 8: ... Belt Width 18 457mm Stainless Steel Duel Conveyor Belt Width 2 8 00 203mm Net Weight of Single Unit 362 lbs 164 2 kg Temperature Range 1500 F 9000 F 66 50 C 4820 C Oven Electrical Specification Chart NOTE A separate ground wire must be supplied with each oven conduit may not be used as a ground NOTE Supply wire must be rated minimum 900 C 1940 F Domestic Amp Loading Charts DZ33I Domestic Model No...

Page 9: ...mum Clearance Rear 0 Left 4 Right 4 CTX reserves the right to change specifications and product design without notice Such revisions do not entitle the buyer to corresponding changes improvements additions or replacements for previously purchased equipment Side View Front View ...

Page 10: ...10 2 Dimension drawing of two stacked DZ33I ovens on base Minimum Clearance Rear 0 Left 4 Right 4 3 Dimension drawing of three stacked DZ33I ovens on base Minimum Clearance Rear 0 Left 4 Right 4 ...

Page 11: ...11 4 Dimension drawing of a Quad stacked DZ33I ovens on base Minimum Clearance Rear 0 Left 4 Right 4 Side View Front View ...

Page 12: ...ow of the operation 2 Drafts entering the oven chambers can cause inconsistent cooking results Check the area surrounding the oven and eliminate sources of drafts such as open windows or doors and fans or other appliances that cause air circulation 3 Oven should be positioned so hot air from another piece of equipment cannot enter the oven cooling fan air intake on the oven front Serious problems ...

Page 13: ...21422 0001 WASHER LOCK SPLIT 3 8 ZP 9 16 21416 0001 WASHER FLAT SS 3 8 10 16 2000531 SCR CAP HX HD 3 8 16X1 NP Double Oven Stand Parts Qty Part Number Description 1 1 67880 INSUL BASE PART A 2 2 67881 INSUL BASE PART C 3 2 67882 INSUL BASE PART B PARTS LISTED ABOVE ARE FROM 69978 KIT DZ33I INSULATION 4 1 67884 WLDMT BASE DZ33 5 1 67614 PANEL TOP 6 4 66948 ASSY LEG CASTER 7 4 59156 SCR SL TRUSS HD ...

Page 14: ...g out of the oven equally on both sides One of the pieces of wood should be placed to the rear of the oven and the other in the front of the oven See figure 2 2 4 Position the two Vermette lifts on either ends of the oven under the 10 304 8cm pieces of wood making sure the legs with wheels are up as close as possible to the skid Place the two 4 X4 X4 10 2cm X 10 2cm X 122cm pieces of wood across t...

Page 15: ... oven by the conveyor Damage WILL result 5 With the 4 122cm pieces positioned under the 10 304 8cm begin to lift the oven with the two Vermette lifts keeping the oven level at all times 6 When the oven is completely free from the skid slide it out from under the oven dispose of the skid in accordance with local regulations 7 Elevate the upper oven high enough to position the lower oven underneath ...

Page 16: ...leaning and are considered loose parts They should be checked prior to startup to be sure they are properly in place The stainless steel draft curtain and exit shelves are packed in a separate carton inside oven NOTE Make sure protective plastic film is removed from draft curtains before installation 1 Draft Curtains stainless steel PN 322904 2 per oven These mount above the conveyor at the ends o...

Page 17: ...ght will illuminate when inside control compartment Reaches130 F 54 4 C Cooling Fan Grille and Filter Air is drawn through the grille and foam filter by a 24 volt DC cooling fan located immediately behind The fan circulates air throughout the entire electrical raceway to cool the front panel top panel and the electrical components Circuit Breakers 3 amp Provides overload protection for the control...

Page 18: ...ols are located to the left of the stainless steel front panel The control panel consists of an ON OFF switch a keypad with multi function keys and a vacuum tube florescent display The letter callouts in Figure 3 4 coincide with the following list which explains the keypad Figure 3 4 Control Panel ...

Page 19: ...power failure the oven will default back to the previously used preset menu when power is restored Always check that the oven is in the desired mode when the power is restored G MANUAL OVERRIDE Used to override preset menu setting and operate oven at any desired temperature and cook time H CLEAN Used to enter the self cleaning mode of oven operation I FEATURE Used to initiate features Pressed prev...

Page 20: ...eset menu that was being used when the oven was turned OFF 1 Press desired preset menu Oven deck is ready for cooking when READY is displayed c View Actual Temperatures in all 4 zones NOTE To view the actual temperature the ACTUAL key must be pressed while the P is displayed Step Press Key Display Reads Ready Oven at set temperature Heating Oven heating up to set temperature Cooling Oven cooling d...

Page 21: ...TURE key 2 Press STDBY RESUME key The timer next to the Time in the display will start to count up indicating the amount of time the oven is in the standby mode e Resume normal operation from the standby mode This feature is used to return an oven deck back to normal operation from the standby mode Step Press Key Display Reads 1 Press FEATURE key 2 Press STDBY RESUME key f Cleaning Operation Step ...

Page 22: ... 00 to 60 00 3 After the Clean cycle has completed the preset menu prior to the Cleaning cycle is re initiated g Cancel cleaning operation Step Press Key Display Reads 1 Press FEATURE key 2 Press FORCE key The oven deck will return to the preset menu that was in use prior to the cleaning cycle ...

Page 23: ...rent from shown values The date and time will be set later in this tutorial 2 Turn oven ON OFF switch ON b The control is for programming and must be unlocked to program 1 When trying to program the control it will ask for a code 2 In order to enter the program mode the code 1397 must be entered 3 By entering this code the programming modes are enabled and will remain open for a period of 30 secon...

Page 24: ...ey 6 Using the numeric keypad enter the new bottom left temperature As the cursor moves to the right enter the new bottom right temperature NOTE If both bottom left and bottom right temperatures are the same entering in the bottom left temperature and then pressing the BOTTOM TEMP button will lock in the same value for the bottom right temperature as set on the bottom left side 7 Press BOTTOM TEMP...

Page 25: ...y 3 Using the numeric keypad enter the time 4 Enter either 1 or 2 for appropriate selection For AM or PM 5 Enter selection 1 through 7 for correct day 6 After 2 seconds the display reverts to f Force out of cleaning The FORCE feature allows the user to remove the oven from cleaning mode When in normal operation mode FORCE has no effect Step Press Key Display Reads 1 Press FEATURE key 2 Press FORCE...

Page 26: ...tep Press Key Display Reads 1 Press MANUAL OVERRIDE key P Indicates preset mode 2 Set the oven deck temperature and cook time as in step c The oven deck will function to the new settings but the settings will not be saved M Indicates manual override mode 3 To return to normal preset menu press the preset menu number h Fahrenheit or Centigrade This feature is used to change the display to read in e...

Page 27: ...27 3 Enter service code 80 4 Enter 1 for degree F or 2 for degree C or 5 Number 2 chosen 6 Display reads 7 Select TOP TEMP key to exit service code Function Notes 3990 C ...

Page 28: ...ION Outside too dark or burned Reduce Temperatures Outside too light or not cooked Increase Temperatures Inside Overdone or dried out Shorten Cooking Time Inside Underdone or raw Lengthen Cooking Time NOTE Sometimes an increase in temperature may require a corresponding decrease in cooking time Conversely a decrease in temperature may require a corresponding increase in cooking time After evaluati...

Page 29: ... Charts The production output figures shown below are based on using round pans in the various sizes shown These figures reflect output Model DZ33I Series Oven COOK TIME 6 8 9 10 12 14 16 18 4 min 232 116 103 66 47 33 29 26 5 min 186 93 83 53 37 27 24 21 6 min 155 78 69 44 31 22 20 17 7 min 133 66 59 37 27 19 17 15 8 min 116 52 52 33 23 17 15 13 9 min 103 52 46 30 21 15 13 11 10 min 93 47 41 26 19...

Page 30: ...25 F 468 441 C 875 825 F 468 441 C 6 00 Size Alum Pan 4 6 oz Fresh Baked Goods Bagels 750 750 F 399 399 C 650 650 F 343 343 C 8 00 Wire Mesh 3 oz Fresh Biscuits 700 700 F 371 371 C 600 600 F 316 316 C 6 00 Size Alum Pan 30 oz Fresh Blue Berry Muffins 450 750 F 232 399 C 525 625 F 274 329 C 7 30 12X2 oz Mini Pan 7 oz Fresh Bread Sticks 850 850 F 454 454 C 750 750 F 399 399 C 6 00 Size Alum Pan 2 oz...

Page 31: ...25 F 468 441F 7 00 Dark Pan 1 3 lb to thick Fresh Liver Onions 850 850 F 454 454 C 850 850 F 454 454 C 10 00 Size Alum Pan 4 oz Fresh Meatballs 820 700 F 438 371 C 820 700 F 438 371 C 11 00 Size Alum Pan 2 oz Fresh Rib Eye Steak 875 825 F 468 441 C 875 825 F 468 441 C 6 00 To 8 00 Dark Grill Pan 8 to 10 oz to 1 Thick Fresh Salisbury Steak 875 825 F 468 441 C 875 825 F 468 441 C 5 00 Dark Grill Pan...

Page 32: ...875 825 F 468 441 C 875 825 F 468 441 C 4 30 Dark Pan 4 2 oz Dehydrated Pancakes 800 800 F 427 427 C 800 800 F 427 427 F 3 30 Size Alum Pan 3 oz Package Puffy Omelet 750 750 F 399 399 C 650 650 F 343 343 C 8 00 Alum Skillet 9 6 oz Fresh Quiche 700 700 F 371 371 C 600 600 F 316 316 C 25 00 Dark Alum Pie Pan 24 oz Fresh Sausage Links 800 800 F 427 427 C 800 800 F 427 427 C 6 00 Size Alum Pan 1 5 oz ...

Page 33: ...Fresh Oatmeal 575 500 F 302 260 C 575 500 F 302 260 C 7 00 Size Alum Pan 1 5 oz Fresh Desserts Baked Apple 700 700 F 371 371 C 600 600 F 316 316 C 25 00 Stainless 12 X 20 12 Apples Fresh Baked Custard 700 700 F 371 371 C 600 600 F 316 316 C 25 00 Custard Dish Size 4 oz Fresh Cream Puffs 550 550 F 288 288 C 650 650 F 343 343 C 30 00 Size Alum Pan 2 oz Fresh Fruit Pie 550 550 F 288 288 C 650 650 F 3...

Page 34: ...468 441 C 875 825 F 468 441 C 8 00 Small Alum Pan 8 oz Fresh Tilapia 650 750 F 343 399 C 650 750 F 343 399 C 6 30 Small Alum Pan 5 to 6 oz Fresh Tuna Steaks 875 725 F 468 385 C 875 725 F 468 385 C 5 30 Small Dark Pan 6 oz Fresh White Fish Fillet 875 825 F 468 441 C 875 825 F 468 441 C 5 00 Small Alum Pan 8 oz Fresh Whole Trout 875 825 F 468 441 C 875 825 F 468 441 C 8 00 Small Alum Pan 9 oz Fresh ...

Page 35: ...3 C 550 550 F 288 288 C 9 00 Pizza Screen Frozen Thin Crust 800 800 F 427 427 C 750 750 F 399 399 C 5 00 Pizza Screen Pre Bake Vegetables Fast Food Fries 850 750 F 454 399 C 850 750 F 454 399 C 7 00 Double Dark Pan Single Layer Frozen Thawed Grilled Onions 875 825 F 468 441 C 875 825 F 468 441 C 9 00 Small Dark Pan Single Layer Fresh Mash Potatoes 875 850 F 468 454 C 875 850 F 468 454 C 6 00 Ceram...

Page 36: ...36 Record Time and Temp Table Product Zone Temperature Cook Time Min Pan Type and Size Amount Weight or Count State Entrance Exit Top Bott Top Bott ...

Page 37: ...ng Operation CTX series oven features a self cleaning cycle already programmed into the control When the cleaning cycle is engaged the control automatically increases all heat zones to 900 F 482 C When all four hearing zones are at 900 the control will count down from 60 00 till it reaches 00 00 minutes At the conclusion of the cycle the control returns the oven chamber to the status in effect pri...

Page 38: ...is will damage the trays Exit Trays Clean Daily To remove Lift off from end of conveyor Wash rinse and dry thoroughly Heat Curtains Clean as needed Unhook heat curtains from the rods above the entrance and exit end of the oven Wash rinse and dry thoroughly Re install NOTE Commercial oven cleaners can be used to clean stainless steel loose parts D Cleaning the Exterior CAUTION Turn off power to the...

Page 39: ... exceeds 150 F 65 C Check axial cooling fan at lower front of oven for proper operation and cleanliness Also it may be the temperature of the area surrounding the oven must be reduced If the fan is not running call for service INT AMB SHUTDN Internal Ambient error This occurs if the internal ambient temperature exceeds 150 F 65 C Check axial cooling fan at lower front of oven for proper operation ...

Page 40: ...lt time is set less than 15 mins check to see if drive roller is turning 1 Check to see if reset is tripped 2 Check for objects jammed in conveyor and remove 3 Turn oven off reset the breaker and turn oven on 4 If motor still does not run call for Service Display does not show READY after oven has been on for 20 min Oven has not reached set temp maybe caused by a contact not closing or a failed te...

Page 41: ...7857 Solid State Relay 2 2 45036 3Amp Circuit Breaker 1 1 30089 208V Hearth plate 1 0 340931 240V Hearth plate 1 1 65756 Gear Motor 1 1 69765 DC Current Sensing Board 1 1 68310 Drive Motor Control Board 1 1 71994 I O Board Red EMS 1 1 71670 I O Board White Hi Temp 1 1 68030 4 Pole Circuit Breaker 50 Amps 1 1 69079 24VDC Power Supply 1 1 71995 High Limit Control Board 1 1 63909 Interlock Switch 1 1...

Page 42: ...ber Description 1 1 65756 Gear Motor SB option 2 5 70698 Thermocouple 5 70756 Spring Not Shown 5 70697 Housing Not Shown 3 2 27480 0001 Terminal Block 175A 4 4 65806 Terminal Block 85A 5 1 67614 Top Panel 1 5 Places 2 2 Places 3 4 Places 4 5 ...

Page 43: ...rth Plate 2 8 69557 Porcelain Tube 3 8 71182 Sleeve Insulating 5 16 4 8 71181 Sleeve Insulating 1 4 5 5 70698 Thermocouple 6 5 70756 Spring Not Shown 7 5 70697 Thermocouple Housing Not Shown 8 5 70755 T C Housing Clamp 4 Places 1 8 Places 2 4 Places 3 4 Places 4 5 Places 5 5 Places 6 5 Places 7 5 Places 8 ...

Page 44: ...44 Front Closed View Item Qty Part Number Description 1 1 46521 On Off Switch 2 1 71996 Keypad Interface 3 2 45036 3A Circuit Breaker 4 1 3102458 Fan Filter Guard 5 1 3102468 Filter Media 1 2 3 4 5 ...

Page 45: ... 6 1 M9616 24 VDC Cooling Fan 7 4 67857 75 A Solid State Relay 8 1si 2sb 65756 Gear Motor 9 1 71995 Limit Control 10 1 69079 24V Power Supply 11 1 69765 Current Sensing Board 12 1 si 2sb 68310 Motor Control Board 13a 1 71670 White Hi Temp I O Board 13b 1 71994 Red I O Board w EMS 14 1 69711 LED Panel Mount Indicator 15 1 70079 4 Amp Fuse 1 2 3 4 5 6 4 Places 7 8 14 9 10 11 15 12 13 ...

Page 46: ...46 Single Belt Conveyor through April 2017 28 8 69776 Extension Tray not shown ...

Page 47: ...47 Single Belt Conveyor Beginning April 2017 ...

Page 48: ...48 Split Belt Conveyor through April 2017 28 8 69776 Extension Tray not ...

Page 49: ...49 Split Belt Conveyor Beginning April 2017 ...

Page 50: ...50 Hearth Belt Conveyor through June 2017 ...

Page 51: ...51 Hearth Belt Conveyor beginning June 2017 ...

Page 52: ...52 SECTION 7 SCHEMATICS A DZ33I EMS AND Hi Temp Voltage and Amperage Schedule ...

Page 53: ...53 B DZ33I 208 240V 3Ph Schematic ...

Page 54: ...54 C DZ33I 208 240V 3 Phase to 1 Phase Conversion ...

Page 55: ...55 D DZ33I 380 416V 3 Ph Schematic ...

Page 56: ...56 E DZ33I 230V CE 3 Ph Schematic ...

Page 57: ...57 F DZ33I 380V CE 3 Ph Schematic ...

Page 58: ...58 Notes ...

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