Instructions Manual
CBO-750 HYBRID OVEN | Instructions Manual
THIS OVEN MAY BE OPERATED OUTDOORS.
ELECTRICAL DIAGRAMS ARE LOCATED BEHIND FRONT PANEL.
KEEP THIS MANUAL FOR FUTURE USE.
FOR YOUR SAFETY: DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS OR LIQUIDS
IN THE VICINITY 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.
TO PURCHASER: AFTER INSTALLATION OF YOUR OVEN, IMMEDIATELY CONTACT
YOUR LOCAL GAS SUPPLIER TO OBTAIN INFORMATION IN THE EVENT THE USER SMELLS GAS.
THIS INFORMATION MUST BE POSTED IN A PROMINENT LOCATION.
ELECTRICAL DIAGRAMS ARE LOCATED BEHIND FRONT PANEL.
THIS OVEN MAY BE OPERATED OUTDOORS.
KEEP THIS MANUAL FOR FUTURE USE.
2
Installation
I. General
• Upon receipt of your oven, thoroughly inspect for
any damage. If damage is observed, contact the
delivery agency immediately.
• Safe and satisfactory operation of your oven
depends to a great extent on its proper
installation. Installation must conform to local
codes or in the absence of local codes, with the
National Fuel Gas Code, ANSI Z223.1/NFPA 541,
or the Natural Gas and Propane Installation Code,
CSA B149.1, as applicable.
• For installation under ventilation hood when
installed indoors: For indoor installation the
oven is required to meet Ventilation System
Standard NFPA 96 and must be installed under a
ventilation hood.
• Keep oven area free and clear from combustibles.
III. Gas Piping
Connect oven to gas supply line. Under no
circumstances should the gas supply line be smaller
than the inlet pipe on the oven. Use pipe sealant on
all joints. Sealant must be resistant to the action of
LP gases.
A 1/8-inch pressure tap is provided on the gas control
for checking the gas pressure. The gas control is
equipped with a pressure regulator. The outlet
pressure setting is 4-inch water column on natural
gas and 10-inch water column on propane gas.
Level oven by shimming bottom of oven or stand.
Leveling is important for proper operation.
The oven and its individual shut-off valve must be
disconnected from the gas supply piping system
during any pressure testing of the system at test
pressures in excess of ½ psig (3.45kPa).
• Provide adequate clearances for air opening into
combustion chamber.
• Provide adequate clearance for servicing and
proper operation.
• The area in front of and above the oven must be
clear to avoid any obstruction of flow of combustion
and ventilation air. Means must be provided for
adequate air supply and adequate clearance for air
openings into the combustion chamber.
• For counter and freestanding installations the
oven is completely assembled as shipped. Do
not make any modifications to the oven or stand.
Any modifications can cause injury or property
damage and void warranty.
II. Clearances to Combustible and
Noncombustible Construction
Sides = 4 inch Back = 4 inch Top = 10 inch
For use only on noncombustible floors or counters.
The oven must be isolated from the gas supply
piping system by closing the individual manual
shut-off valve during any pressure testing of the gas
supply piping system at test pressures equal to or
less than ½ psig (3.45kPa).
To check for leaks, use a soap and water solution.
DO NOT USE OPEN FLAME.
IV. Electrical Connections
When installed, the oven must be electrically
grounded in accordance with local codes or in the
absence of local codes, with the National Electrical
Code, ANSI/NFPA 70, or the Canadian Electrical
Electrical Rating
Volts Amps Frequency
120 1.50 60
3
Installation Continued
Code, CSA C22.2, as applicable.
V. Hearth Burner Lighting Instructions
1. Set main gas supply cock in "OFF" position.
2. Turn main electrical supply "OFF."
3. Wait at least (5) five minutes.
4. Set temperature control to desired setting.
5. Place ambiance burner "ON/OFF" switch in "OFF"
position.
6. Set main gas supply cock in "ON" position.
7. Turn main electrical supply "ON."
8. Place main "ON/OFF" switch in "ON" position.
9. If burner does not light, repeat steps 1-8.
VI. Ambiance Burner Lighting Instructions
Note: The hearth burner system must be ON as
controlled by the thermostat.
Place ambiance burner ON/OFF switch in "ON" position.
VII. Shutting Down Instructions
1. To shut down for a period of time, turn “OFF” the
main electrical supply to oven.
2. To shut down for a longer period of time, turn “OFF”
the main electrical supply and the incoming gas
supply valve to the oven.
4
Operation
VIII. CAUTION: In the event of power
failure, do not attempt to operate oven
until power is resumed.
Lighting & Shutting Down Instructions: Refer to
related section in Installation portion of this manual
and label located on oven front panel.
To cure the oven on first firing and release the moisture
from the oven dome, the thermostat should be set at
approximately 212°F over a period of 2-3 days.
Curing the oven can be done with only the ambiance
burner turned “ON." Use one tank of propane or get
the oven to 250°F for 16 hours in duration. This can be
split into two different 8-hour time periods.
Do not cook with the door closed. All cooking should
be done with the door open.
Note: Due to thermal expansion, small cracks may
appear in the dome or hearth during the curing
process. This is normal and the quality of your oven
will not be compromised.
This oven can be operated as a gas oven or as a
hybrid oven:
• For gas operation, follow Lighting & Shutting Down
Instructions.
• For hybrid operation, wood can be inserted on the
cooking surface after oven temperature reaches
thermostat setting.
Note: Use only small amounts of wood to enhance the
flavor of foods. NEVER place wood on top of or in direct
contact with the ambiance burner at the back of the oven.
5
Maintenance
YELLOW
IGNITION
CABLE
RED
WHITE
BLACK
GREEN
HEARTH BURNER
IGNITION
DETECTION
CONTROL (HBIDC)
WHITE
SPARK
ELECTRODE
WHITE
BLACK
BLACK
FLAME SENSOR
ELECTRODE
WHITE
HEARTH
BURNER
GAS VALVE
WHITE
GREEN
WHITE
(NEUTRAL)
FUSED LINE
SWITCH
(BY OTHERS)
BLACK
(HOT)
TEMPERATURE CONTROL
WHITE
WHITE
GREEN
(EQUIPMENT
GROUND)
HEARTH BURNER CIRCUIT
AMBIANCE BURNER CIRCUIT
ON/OFF SWITCH AND
INDICATING LITE
BLACK
AMBIANCE BURNER
IGNITION
DETECTION
CONTROL (ABIDC)
RED
GREEN
WHITE
WHITE
BLUE
WHITE
IGNITION
CABLE
AMBIANCE
BURNER
GAS VALVE
BLUE
SPARK
ELECTRODE
GREEN
BLACK
WHITE
BLACK
WHITE
BLACK
WHITE
1 2 3
4 5 7
6
+
-
+
-
BLACK
TYPE 'J'
THERMOCOUPLE
WHITE
RED
MAIN
ON/OFF SWITCH AND
INDICATING LITE
BLACK
BLACK
IX. CAUTION: Disconnect the power
supply to the appliance before cleaning or
servicing the oven. Oven must be “OFF”
and cool before any cleaning is done.
• Clean the oven cooking surface daily with a brass
bristle brush.
• For service and repairs, contact factory, factory
representative or local service company.
• All maintenance and/or repair MUST be performed
by someone trained/qualified to work on gas/
electrical equipment. For additional information or
assistance, contact Chicago Brick Oven Customer
Assistance at 630.359.4793.
• In dirty/dusty/wet atmospheres, it may be
necessary to examine/perform maintenance at
additional times depending on the burner packages'
usage. Experience will dictate the frequency.
6
chicagobrickoven.com
Chicago Brick Oven, LLC. | 205 E. Butterfield Road, #448 | Elmhurst, IL 60126
Customer Assistance: 630.359.4793
© 2015 Chicago Brick Oven. All rights reserved.
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