CTX DZ33I Operation manual

DZ33I, English
OWNER’S OPERATING
&INSTALLATION
MANUAL
CTX GEMINI SERIES OVENS
DZ33I
CTX ® 1400 Toast Master Drive Elgin, IL. 60120 847-741-3300
A Middleby Company www.middleby.com Part No. 69982
7/1/13

Model No._________________Serial No.__________________________Installation Date________
CTX®
NO QUIBBLE LIMITED WARRANTY
(U.S.A ONLY)
MIDDLEBY MARSHALL HEREINAFTER REFERRED TO AS THE SELLER, WARRANTS
EQUIPMENT MANUFACTURED BY IT TO BE FREE FROM DEFECTS IN MATERIAL AND
WORKMANSHIP FOR WHICH IT IS RESPONSIBLE. THE SELLER’S OBLIGATRION UNDER THIS
WARRANTY SHALL BE LIIIMITED TO REPLACING OR REPAIRING AT SELLER’S OPTION,
WITHOUT CHARGE, ANY PART FOUND TO BE DEFECTIVE AND ANY LABOR AND MATERIAL
EXPENSE INCURRED BY SELLER IN REPAIRING OR REPLACING SUCH PART, SUCH
WARRANTY SHALL BE LIMITED TO THE ORIGINAL PURCHASER ONLY AND SHALL BE
EFFECTIVE FOR A PERIOD OF ONE YEAR FROM DATE OF ORIGINAL INSTALLATION, OR 18
MONTHS FROM DATE OF SHIPMENT, WHICHEVER IS EARLIER; PROVIDED THAT TERMS OF
PAYMENT HAVE BEEN FULLY MET.
This warranty is valid only if the equipment is installed, started and demonstrated under the
supervision of a factory certified installer.
Normal maintenance functions, including lubrication, cleaning or customer abuse are not covered by
this no quibble warranty.
Seller shall be responsible only for repairs or replacements of defective parts performed by Seller’s
authorized service personnel. Authorized service agencies are located in principal cities throughout
the contiguous United States, Alaska and Hawaii. This warranty is valid in the 50 United States and is
void elsewhere unless the product is purchased through Middleby International with warranty
included.
The foregoing warranty is exclusive and in lieu of all other warranties, expressed or implied.
There are no implied warranties of merchantability or of fitness of a particular purpose.
The foregoing warranty shall be Seller’s sole and exclusive obligation and Buyer’s sole and exclusive
remedy for any action including breach of contract or negligence. In no event shall Seller be liable for
a sum in excess of the purchase price of the item. Seller shall not be liable for any prospective or lost
profits of Buyer.
CTX® 1400 Toastmaster Drive Elgin, IL 60120 USA [phone]

©2013 CTX www.middleby.com/midmarsh/
NOTICE:
This Operating and Installation Manual should be given to the user. The operator of the oven
should be familiar with the functions and operation of the oven.
This manual must be kept in a prominent, easily reachable location near the oven.
It is suggested to obtain a service contract with a manufactures certified service agent.
NOTICE
CONTACT YOUR LOCAL SERVICE COMPANY TO PERFORM MAINTENANCE AND REPAIRS.
A SERVICE AGENT DIRECTORY IS SUPPLIED IN YOUR
INSTALLATION KIT.
NOTICE
Using any parts other 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 VAPORS AND LIQUIDS IN THE
VICINTIY OF THIS OR ANY OTHER APPLIANCE
WARNING
Improper installation, adjustment, alteration,
service or maintenance can cause property damage,
injury or death. Read the installation, operating and
maintenance instructions thoroughly before installing
or servicing this equipment.

TABLE OF CONTENTS
SECTION 1- DESCRIPTION........................................................................5
A. Component Location………………………………………………..........6
B. Component Function……………………………………………………...7
C. Oven Specifications…………………………………………………….8-9
D. Dimension Drawings………………………………………………….9-12
SECTION 2- INSTALLATION………………………………………………….13
A. Inspect For Shipping Damage………………………………………….13
B. Placement of Oven………………………………………………………13
C. Items for Stacking Oven………………………………………………...13
D. Base Section Assembly……………………………………………..14-15
E. Mounting Single Oven Onto Base Assembly……………………..15-16
F. Stacking and Mounting Two Ovens………………………………..16-17
G. Stacking and Mounting Three Ovens……………………………........17
H. Stacking and Mounting Four Ovens……………………………………
I. Electrical Connection……………………………………………………17
J. “Loose” Parts……………………………………………………………..17
SECTION 3- OPERATION……………………………………………………..18
A. Location of Controls……………………………………………………..18
B. MenuSelect™ Control Operation and Programming…………….19-30
C. Cooking in a CTX Oven……………………………………………..31-32
D. Time and Temperature Guide.……………………………………..32-36
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………………………………………………...….39
SECTION 5- MAINTENANCE & TROUBLESHOOTING…………….….....39
A. Chart 1- Error Messages…………...…………………………………...39
B. Chart 2- Troubleshooting………………………………………………..40
SECTION 6- PARTS LISTS………………………………………………..41-42
Oven Open Rear View………………………………………………………43
Oven Elements Exposed View……………………………………………..44
Oven Front Closed View…………………………………………………….45
Oven Front Open View………………………………………………………46
Single Belt Conveyor………………………………………………………...47
Split Belt Conveyor…………………………………………………………..48
SECTION 7- ELECTRICAL SCHEMATICS……………………………...…..49
A. Model DZ33I, 208/230V, 3Ph Schematic……………………………..49
B. Model DZ33I, 380/415V, 3Ph Schematic…………...………………...50
C. Model DZ33I, 230V, CE, 3Ph Schematic……………………………..51

D. Model DZ33I, 380V, CE, 3Ph Schematic……………………………..52
SECTION 1 - DESCRIPTION
CTX Series oven is:
•Electrically powered •Conveyorized
•Zone heated by infrared panels •Electronically controlled
CTX Oven Model:
•DZ33I –31” (787 mm) long cooking chamber with a MenuSelect™ control.
NOTE: “DZ” designation on ovens stands for: “D” = Dual Conveyor, “Z” = Zone Temperature
Control.
DZ33I
Figure 1
This manual must be kept for future reference
Note:
Wiring diagrams are contained in the manual and
are also located in the oven.