BKI CO1-G Installation And Operating Instructions Manual

INSTALLATION AND OPERATING INSTRUCTIONS

GAS CONVECTION OVEN

Model: CO1-G

INTENDED FOR OTHER THAN HOUSEHOLD USE

RETAIN THIS MANUAL FOR FUTURE REFERENCE

OVEN MUST BE KEPT CLEAR OF COMBUSTIBLES AT ALL TIMES

IMPORTANT INSTRUCTIONS

After the gas supply has been connected to your unit, it is extremely important to check piping for possible
leaks. To do this, use soap and water solution or solutions which are expressly made for this purpose.

DO NOT USE matches, candles, flames, or other sources of ignition since these methods
dangerous. Post in a prominent location instructions to be followed in the event you smell gas. Obtain these
instructions from your local gas supplier.

are extremely

FOR YOUR SAFETY: Do not store or use gasoline or other flammable

!

vapors and 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.

!

Initial heating of oven may generate smoke or fumes and must be done in a well-ventilated area.
Overexposure to smoke or fumes may cause nausea

Note: Only Pizza or Bread can have direct contact with ceramic decks. All other food products must be

placed in a pan or container to avoid direct contact with ceramic decks.

This equipment has been engineered to provide you with year round dependable service when used
according to the

Phone: [phone]
Fax: [phone]
Toll Free: [phone]
Website: www.bkideas.com
E-mail: [e-mail]

instructions in this manual and standard commercial kitchen practices.

or dizziness.

P/N U4161A 9/07

BKI Worldwide Headquarters

PO Box 80400

Simpsonville, SC 29680-0400 USA

1

I. INSTALLATION INSTRUCTIONS

INDEX

SECTION ITEM PAGE

A Receiving
B Set-Up Mounting
C Installation with Casters (Optional)
D Location and Minimum Clearances
E Gas Connection
F Electrical Connection
G Flue Connections-Ventilation
H Burner Operation
I System Check - Rotary Control

II. OPERATING INSTRUCTIONS

1 General Instructions
2 System Operation Sequence

NOTE: For units with programmable controls a C&H-3 Plus Controller Manual is shipped under separate cover.

2
2
3
3
4
4
5
5
5

6
6

SECTION ITEM PAGE

A) Cook Only
B) Timed Cooking
C) Cook & Hold
D) Steam Injection

E) Oven Cool Down
3 Cleaning
4 Servicing
5 Illustrations
6 Electrical Schematic - Rotary Control
7 Wiring Diagram - Rotary Control
8 Wiring Diagram - Programmable Control
9 Replacement Parts & Exploded Views
10 Warranty

TM

6
6
6
7
7
7
8
8
10
11
12
13
16

INSTALLATION INSTRUCTIONS

A. RECEIVING:

Read the notice on the outside carton regarding damage in transit. Damage discovered after opening the
carton is "CONCEALED DAMAGE". Carrier must be notified immediately to send an inspector and to
furnish forms for claims against the carrier.

When the oven arrives, it should consist of:

! A crate or carton containing your new oven (two for a stacked unit).
! A carton containing four 30" legs with mounting hardware ( A set of four 6" legs is supplied for

stacked installations).

! A carton containing a Flue Adapter and/or an optional Draft Hood for Direct Venting ( Not available

for European Community Countries)

B. SET UP/ MOUNTING:

In MASSACHUSETTS: All gas products must be installed by a “Massachusetts” licensed plumber

fitter. Ventilation hoods must be installed in accordance with NFPA-96, current edition, with interlocks as
described in that standard.

NOTE: This appliance must be installed by competent person in accordance with the rules in force.
In the U.K. Corgi registered installers (including the regions of British
satisfactory standards. This appliance must be installed in accordance with the current Gas Safety
(Installation and Use) Regulations and the relevant Building Regulations/lEE Regulations. Detailed
recommendations are contained in the British Standard Codes Of Practice B.S. 6172, B.S. 5440:Part2 and
B.S. 6891.

Your oven
handling. Unpack carefully, avoiding damage to the Stainless Steel front and/or trim. If concealed damage
is found, follow the instructions detailed in Section A (Receiving). Keep the area around the ovens free
clear of combustible materials. Do not store any materials on top of or under any oven. The provision of
adequate air supply to your oven for ventilation and proper gas combustion is essential. As a minimum,

will be packed sitting on its bottom. The skid may be left under the oven for convenience in further

Gas) undertake to work to safe and

or gas

and

2

observe the clearances detailed in Section D (Location). Provide adequate ventilation and make up air in
accordance with local codes. Servicing your oven is done through the front control panel and right side
access cover. Assure that these areas are kept unobstructed for easy access.

For a single unit:

(1) Tilt

Oven over onto left hand side, and attach two 30" legs on the right hand side with three 1/2" bolts

and washers. Tighten firmly.

(2) Using proper lifting equipment lift up the Ieft hand side and attach two 30" legs on the left hand side

the same way.

For a stack of two ovens:

(1) Tilt lower unit over onto the left hand side, attach two mounting plates to the right hand underside

and screw 6" legs into the center holes.

(2) Using proper lifting equipment lift up the left hand side and attach the mounting plates and

6" legs as

in (Step1 ).

(3) Using the lifting equipment, raise the top oven to proper height and slide on top of the bottom oven.

Line up sides and front of both ovens and fasten to each other with stacking brackets.

All legs for the CO1-GS and CO1-GD as well as

the base cabinet have a leveling adjustment. Start with
adjustment screwed all the way in. With a spirit Ievel placed on an oven rack, check and level side to side
first and then front to back.

Fit the Standard Flue Diverter supplied (Figure 1) into the hole in the top of

the oven (for under ventilation
hood installation) and secure with screws. For direct venting. The Flue Adapter and the Draft Hood must be
placed into the hole on top of the oven(Figure 2).

To assemble an open rack stand: Refer to fig.3

(1) Loosen 12 bolts( attaching 30" legs) slightly.
(2)

Remove 4 inner bolts, 1 from each of the four legs. Place top right angle and top left angle

underneath and tighten these 4 bolts.
(3) Insert Open Rack Shelf and tighten into place with eight 3/8-16 screws, washers and nuts.
(4) Position 'Rack Supports' and tighten in place using 4

each of Flat washers and 5/16-18 Hex Nuts.

To assemble over a Base Cabinet:

(1 ) Tilt cabinet over onto the left hand side. Attach two mounting plates to the right underside and screw

6" legs into the center holes.
(2) Lift up left hand side of the base cabinet and attach

the mounting plates and 6" Iegs on the

underside and screw 6" legs into center holes.
(3) Using the lifting equipment, raise the top oven to proper height and slide on top of the base cabinet.

Line up sides and front and fasten to each other with stacking brackets.

C.

INSTALLATION WITH CASTERS (OPTIONAL):

Four casters (two with wheel brakes) and the mounting hardware are packed and included in the shipment
if ordered.
Install casters with wheel brakes on the front of the unit.
Installation of the unit should be made with a connector that complies with the latest edition of the Standard
for Connectors for Movable Gas Appliances ANSI Z21.69, in the USA (CAN CGA-6.16 in Canada) and a
quick disconnect device that complies with the latest edition of the standard for quick disconnect devices
for use with gas fuel ANSI Z21A I in the USA (CAN 1-6.7 in Canada.) Adequate

means must be provided to
limit the movement of the appliance without depending on the connector and any quick disconnect device
or its associated piping to limit the appliance movement.
The restraint should be attached to the rear legs of the oven on which casters are mounted. If disconnection
of the restraint is necessary, the restraint should be reconnected after the appliance has been returned to
its originally installed position.

D. LOCATION AND MINIMUM CLEARANCES:

Move the oven to its final location keeping the minimum clearance from the back of the oven to the wall.
This clearance is necessary for safe operation and

to provide proper air flow to the burner chamber.

3

MINIMUM CLEARANCES FROM COMBUSTIBLE AND NON-COMBUSTIBLE CONSTRUCTION

Under Ventilation Hood
RIGHT WALL 1” 1"

LEFT WALL 1" 3"
REAR WALL 3" 3"

CAUTION: Do not set the oven with its back flat against the wall. It will not operate

!

!

E. GAS CONNECTIONS:

The ovens should not be installed on the same gas line with space heaters, boilers or other gas equipment
with high intermittent demand.

The installation of this oven must conform with the latest local codes or Nationa/Fuel Gas Code. ANSI

Z223.1, Natural Gas Installation Code. CAN/CGA-BJ49.1. or the Propane
BJ49.2

properly unless there is at least three inches breathing space behind the oven.

Suitable for installation on combustible floor when installed with legs or casters
provided.

Direct Venting

Installation Code. CAN/CGA-

q

!

!

The appliance must be isolated from the gas supply piping system by closing it’s manual shut-otf valve
during any pressure testing of the gas supply piping system at test pressures equal to or less than ½ psi
(3.45kPa). The appliance and its shut-off valve must be disconnected
during any pressure testing of that system at test pressures in excess of ½ psig (3.45kPa).
Use a pipe joint compound that is resistant to the action of liquefied petroleum gases when making gas
Connections. For Propane gas, use at least 1/2" (13 mm)
For Natural gas, use 3/4" (19 mm) pipe.

The gas pressure regulator is part of the combination valve and is adjusted to yield a pressure of 3.5" water
column (9mbar) for Natural Gas. If the oven is ordered for use on
regulator in the combination valve is preset at the factory to yield a pressure of 10" water column (25 mbar).

Gas supply pressure in the European Community countries should be as below:
Gas Type Supply Pressure
G20 20 mbar
G25 25 mbar
G20/25 20/25 mbar
G30 30 or 50 mbar depending
G31 30, 37, or 50 mbar depending on country

A separate shut-off valve for each oven must be provided. It should be as close as possible to the place
where the gas line goes into the oven. It must be located such that it is easily accessible. When stacking with
another oven, two shut-off valves, one for each of the two ovens, must be provided.

on country

pipe or tubing with a 5/8" (16 mm) inside diameter.

from the gas supply piping system

Propane Gas or Butane the pressure

After the Gas Supply has been connected, it is extremely important to check all the piping for leaks.
Use a soap and water solution or a product expressly made for this purpose. Do not use Matches,
Candles or a Flame etc to check leaks since these methods are extremely dangerous.

F. ELECTRICAL CONNECTION:

The oven when installed must be electrically grounded in accordance with local codes/and/or the latest
edition of the National Electrical Code ANSI/NFPA No. 70 in the USA (Canadian Electrical Code CSA
Standard C22.I, Part

In Europe, the appliance must be connected by an earthing cable to all other units in the complete

1 in Canada).

4

installation and thence to an independent earth connection in compliance with EN 60335-1 and/or local
codes.

The electric motor, all the related switches, interior lights and the timer/buzzer, are all connected through
the 6ft (1829 mm) power supply cord located at the rear of the oven. The supply cord must be
properly grounded three-prong receptacle. DO NOT CUT OR REMOVE THE GROUNDING PRONG

FROM THE PLUG.

Normal factory connections are made for 11 5 volts AC., 60 Hz. Service in USA and Canada or 230Volts AC,
50 Hz service in European Community Countries. Other voltages can be supplied upon request. Electrical
characteristics of this unit can be found on the rating plate located on the right side of the unit.

This unit is provided with a permanently lubricated electric motor. A wiring diagram may be found on the
back of the service panel on the right hand side and in this

G. FLUE CONNECTION - VENTILATION:

(a) INSTALLATION UNDER VENTILATION HOOD (STANDARD):

If the oven is not vented directly and is installed under a ventilation hood, use the flue diverter (Fig. 1)
supplied. Local inspectors and ventilation specialist should be consulted so that the design and the
installation
In U.K. ventilation requirements as detailed in B.S. 5440 should be followed.

(b) OPTIONAL DIRECT VENTING-NOT AVAILABLE FOR EUROPEAN COMMUNITY COUNTRIES:

of the hood conforms to local/municipal codes.

manual.

plugged into a

If direct venting, a flue adapter and a draft hood (fig.2) are required to be installed. These prevent the flue
gases leaving the oven from being affected by the air
extending out of the building. The flue pipe from the draft hood must not run downwards at any point from
the oven to the final outlet. It should always slant slightly upwards. For best results it should rise straight up

NOTE: DO
THE FLUE.

If the flue runs directly to the free air outside the building, use a wind deflector or a UL listed vent cap at the
end of the pipe. Termination of the vent must be
feet. REF: AGA CATALOG NO. XH0474.

H. BURNER OPERATION:

The oven burner flame should always have a blue appearance. This indicates a good mixture of air and gas.
When using LP gas the flame will have a blue yellow
flame noticed. This is caused by dust particles burning in the flame.

I. SYSTEM CHECK - ROTARY CONTROL:

I) Open the oven door.

2) Turn Selector Switch to 'Hi'. The indicator light near Selector Switch and oven light will illuminate.

3) Close the door. Oven lights

4) Press Oven Light switch. Oven light will go on and will go off as switch is released.

5) Turn Gas Cock Dial to 'ON' position.(only for USA & Canada)

6) Turn the thermostat knob. The

7) Turn the Timer Knob and set a time of 2 minutes. At the end of 2 minutes, you should hear the

8) Open the oven doors. Oven lights

9) Turn Selector switch to 'Cool Down' position. The fan will run to cool down the oven.

10) Turn Selector Switch to '0' position.

NOT PUT A DAMPER IN THE FLUE AND DO NOT CONNECT A BLOWER DIRECTLY TO

at least two feet above the highest part of the roof within ten

will go off and fan will run. Make sure fan is rotating clockwise looking

from front.

indicator light near the thermostat will Illuminate and the burners will

come on.

buzzer. Turn the timer knob to '0' to reset.

will go on, and burners and fan will go off.

pressure changes on the outside of the flue stack

appearance. There may be intermittent yellow-orange

5

11) Close the oven doors.

12) Turn Gas Cock

NOTE: OVEN WILL START HEATING AS SOON AS THE SET TEMPERATURE IS HIGHER THAN THE
OVEN TEMPERATURE, THE OVEN DOORS CLOSED AND THE SELECTOR SWITCH IS IN ANY
POSITION EXCEPT ‘0’.

THERMOSTAT INDICATOR LIGHT GOES OUT WHEN OVEN REACHES SET TEMPERATURE AND
COMES ON

IN THE EVENT OF POWER FAILURE, THE OVEN WILL NOT OPERA TE.

WHEN OVEN IS HEATING UP.

Dial to 'Off position.(only for USA & Canada)

II. OPERATING INSTRUCTIONS

1. GENERAL INSTRUCTIONS:

(a) This equipment has an Electronic Temperature Control and Electronic Hot Surface Direct Ignition

System.

(b) Due to the increased efficiency of this oven, the temperature of standard recipes may be reduced

50°F (30°C).

(c) Always load each shelf evenly. Space pans away from each other and from sides

to allow maximum air flow between them.

(d) Large tempered glass windows and interior lights allow visual checks on the product making it

unnecessary to frequently open the doors. Products cook faster in a convection oven as compared
to a conventional oven. Depending on the product and the type of pans used, time savings may run
from 20% to as high as 50%.

2. OPERATION SEQUENCE-ROTARY CONTROL:

and back of oven

A. COOK ONLY-ROTARY CONTROL:

(1) Close the oven doors.
(2) Turn Selector Switch to 'HI' or 'LO' position. The indicator light near the Selector Switch will be

illuminated.

(3) Turn the thermostat
(4) Upon reaching the set temperature, the indicator light near the thermostat will go out.
/5) Load the oven with product to be cooked.
(6) Remove the product from the oven when done.

B. TIMED COOKING-ROTARY CONTROL:

(I) Close the oven doors.
(2) Turn Selector Switch to 'HI"

illuminated.

(3) Turn the thermostat knob to the desired cooking temperature.
(4) Upon reaching the set temperature, the indicator light near the thethermstat will go out.
(5) Load the oven with product to be cooked.
(6) Turn the timer
(7) When timer reaches zero, a buzzer will sound.
(8) Turn the timer knob to '0' position.
(9) Remove the product from the oven.

NOTE: TIMER DOES NOT CONTROL THE OVEN.

C. COOK & HOLD-ROTARY CONTROL:

(I) Close the oven doors.
(2)

(3) Turn the thermostat knob to the desired cooking temperature.
(4) Upon reaching the set temperature, the indicator light near the thermostat will go out.

Turn Selector Switch to 'HI' or 'LO' position. The indicator light near the Selector Switch will be
illuminated.

knob to the desired cooking temperature.

or 'LO' position . The indicator light near the Selector Switch will be

knob to the desired bake time and timer will start counting down.

6

(5) Load the oven with product to be cooked.
(6) Turn the timer knob to the desired bake time and timer will start counting down.
(7) When timer reaches zero, a buzzer will sound.
(8) Turn the Timer knob to '0' position to reset.
(9) Turn the thermostat knob to the desired hold
(10) Remove the product from the oven when done.

D. OPTIONAL STEAM INJECTION-ROTARY CONTROL:

The solenoid valve for steam injection is mounted behind the service panel on the right hand side of the unit.
The electronic timer is preset at the factory. A 1/4" copper tubing is provided on the Solenoid
hookup with a compression fitting. After the water hookup is made, make sure that there are no leaks. For
steam injection, press the Steam switch momentarily.

NOTE: Do not use steam injection at temperatures below 275°F (135°C).

E. OVEN COOL DOWN-ROTARY CONTROL:

temperature.

Valve for water

To cool down the oven to a
(1) Open the oven doors.
(2) Turn Selector Switch to 'oven cool down' position. Fan will now operate and cool down the oven.
(3) When the oven has cooled down to the desired temperature, turn the selector switch to the ‘O’

position. Close oven doors.

lower desired temperature, follow the steps detailed below:

CLEANING

Always clean equipment thoroughly before first use. Clean unit daily.

WARNING: To avoid any injury, turn the power switch off at the fuse disconnect switch/circuit

any maintenance or cleaning.

WARNING: Unit is not waterproof. To avoid electrical shock or personal injury, DO NOT submerge

!

!

in water. DO NOT operate if it has been submerged in water. DO NOT clean the unit with a water jet.
DO NOT steam clean or use excessive water on the unit.

CAUTION: Use mild detergent or soap solution for best results. Abrasive cleaners could scratch
the finish of your unit, marring it’s appearance and making it susceptible to dirt accumulation. DO
NOT use abrasive cleaners or cleaners/sanitizers containing chlorine, iodine, ammonia or bromine

chemicals as these will deteriorate the stainless steel
unit. Use nylon scouring pads. DO NOT use steel wool.

and glass material and shorten the life of the

breaker or unplug the unit from the power source and allow to cool completely before performing

!

!

!

!

Clean The Racks And Rack Support Guides:

Open the doors and remove all wire racks and rack support guides. Take them to the sink and thoroughly
clean in warm water with mild detergent or soap. Use a nylon scouring pad or stiff nylon brush.

DO NOT USE STEEL WOOL.

Clean The Stainless

Baked on splatter, oil, grease or discoloration on the stainless steel inside of the oven may be removed with
stainless steel cleaner, or any other similar cleaning agent. NEVER use vinegar or any corrosive cleaner.
Use only cleaners approved for stainless steel. NEVER use cleaning solvents with a hydrocarbon

NEVER use a wire brush, steel or abrasive scouring pads, scraper, file or other steel tools.
NOTE: ALWAYS RUB THE STAINLESS STEEL ALONG THE GRAINS.

Clean The Blower Wheel:

To clean the blower wheel, remove and immerse in ammoniated water for 20 to 25 minutes. Then, scrub it

Steel Interior:

OVEN INTERIOR:

base.

7

off with a small, stiff brush. The same procedure can be followed for wire racks and rack supports. To
remove the blower wheel, loosen the set screws (2) on the hub of the blower wheel and tighten the
wheel puller bolt (supplied) in center of hub (See Fig. 3).

Clean The Porcelain Interior:

Porcelain enamel interiors are designed to be as maintenance free as possible. However, for best results,
the oven should be cleaned regularly. Enameled interiors can be easily cleaned with oven cleaners. KEEP

CLEANING FLUIDS AWAY FROM
CONTROL PANEL.

ELECTRICAL WIRES, LIGHT SOCKETS, SWITCHES AND

3/8”

OVEN EXTERIOR:

Clean The Exterior Stainless Steel:

To remove normal dirt or product residue from stainless steel, use ordinary soap and water (with or without
detergent) applied with a sponge or cloth. Dry thoroughly with a clean cloth. Never use vinegar or corrosive
cleaner. Do not use chorine based cleaners.

To remove grease and
cleaners to a damp cloth or sponge and rub cleanser on the metal in the direction of the polished lines on the
metal. Rubbing cleanser as gently as possible in the direction of the polished lines will not
the stainless steel. To remove discoloration, use a non-abrasive cleaner. NEVER use a wire brush, steel or
abrasive scouring pads, scraper, file or other steel tools. NEVER RUB WITH A CIRCULAR MOTION.

4. SERVICING:

NOTE: This appliance must be serviced by an authorized service agent.

a) Power supply to the unit must be disconnected before any service is performed.
b) Most of the service on the unit can be performed from the front and/or control panel side.
c) For proper servicing, access to the
d) It will be necessary to have access to the back of the oven for service needs related to the gas

supply , electric power supply and steam injection plumbing.

e) A system wiring diagram is provided in this manual and on

side of the oven.

f) All servicing must be performed by a factory authorized technician only.
g) For proper maintenance and repairs call the factory toll free (800-927-6887) for an authorized

service agency in your area.

NOTE: The Ventilation System must he inspected
of obstructions.

food splatter or condensed vapors that have baked on the equipment, apply

mar the finish of

Control Panel side of the unit will be required.

the back of the service panel on the right

at least every six months and maintained clean and free

Figure 1

DRAFT DIVERTER

(VENTILATION HOOD)

STANDARD

5. ILLUSTRATIONS

Figure 2

DRAFT DIVERTER

(DIRECT VENT)

OPTIONAL

DRAFT ADAPTOR

(DIRECT VENT)

OPTIONAL

8

5. ILLUSTRATIONS (CONTINUED)

Figure 3

WHEEL PULLER BOLT 3/8”-HEX

BLOWER WHEEL

SET SCREW (2)

Figure 4

ASSEMBLY OF LEGS

(SHOWN WITH OPEN RACK STAND)

3/8”-16 x 3/4”

TRUSS HEAD

SCREW

w/NUT & WASHER

(8 REQUIRED)

30” CONVECTION

OVEN LEGS

TOP LEFT

ANGLE

TOP RIGHT

ANGLE

Figure 5

CONTROL PANEL

(ROTARY CONTROL)

MOTOR

SELECTOR

SWITCH

PILOT
LIGHT

(GREEN)

SELECTOR

SWITCH

THERMOSTAT

PILOT

LIGHT

(AMBER)

THERMOSTAT

RACK

SUPPORT

OPEN RACK

SHELF

5/16”-18

HEX NUT

(4 REQUIRED)

5/16”
FLATWASHER
(4 REQUIRED)

1/2”-13 x 1”

HEX HEAD BOLT

(12 REQUIRED)

LIGHTS

SWITCH

TIMER

STEAM

INJECTION

SWITCH

1/2” FLATWASHER

(4 CORNERS ONLY)

9

6. ELECTRICAL SCHEMATIC (ROTARY CONTROL)CO1-G

Power

120VAC

1

Steam
Button

X 0...60'

O 0 -

X 0 -

O 0...60'

2

TIMER M450

4

4

5

Timer

6

2

Coil

SSAC

NOTO

l1

Ignition
Module

Coil

S

Steam Potentiometer
Factory Set (8 Seconds)

7

3

1

ground

valve

BUZZER

Solenoid
Valve

120V

24V

Valve

Gas Control

CO

Door
Switch

NC

NO

Fan Rotary

Switch

(Off, Low, High,

Cool Down)

oxxo

P1

oxoo

P2

ooxo

P3

ooox

P4

RAM

ignitor

therm.

COM

L1

Temperature Controller

1

2

3

4

sensor

NO

L2

GC-20

Ignitor

Flame Sensor

Amber Pilot Light

(Thermostat)

Green Pilot Light

(Power)

LO

HI

2 Speed Motor

COM

Interior Lights

(Momentary Switch)

Interior Lights

10

7. WIRING DIAGRAM (ROTARY CONTROL)CO1-G

120VAC

steam switch

4

5

2

1

steam timer

6

7

3

potentiometer

blk

yel
red

blu

RAM

solenoid
valve

ignitor

L1-24vac

thermostat

valve hot

ground

flame sensor

timer
M450

1

S

3

2

4

120v

24v

ignitor

P1

P2

P3

P4

C

Rotary
Switch

NO

1

2

3

4

NC

Door
Switch

LO

HI

COM

COM

NO

L2

L1

light switch

combination control
VR 8205

Pilot Light
(Thermostat)

Pilot Light
(Power)

PILOT

FF

flame rod

IN

11

8. WIRING DIAGRAM (w/PROGRAMMABLE CONTROLS) C&H-3CO1-G

Door

Sw.

Lights Switch

BLK

[23]

BLK

[15]

BLK [11 ]

BLK [13]

BLK [5]

NO

CO

NC

Rotary
Switch

BLK [3]

P1

P2

P3

P4

NO

NC

BLUE

Closed

Open

[10]

T5

T9

T7

GREY
[26,27]

T8

T6

T12
T13

3

120

1

2

4

BLK

120 V

T4

CH-100
FAST

V

BLK [1]

WT

WT

[C1]

T3 T2

T11
T10

BRWN

WT

]

[

WT

WT [2]

]

[

]

[

]

[

N

A

L1

120

V

2

Speed Motor

[S1]

[S2]

LO

COM

HI

BRWN

R1

BLK [S]

BLK

BLK

[21]

[19]

R2

WT

]

[

WT

]

B

WT

[

BLK

BLK

120 V

[9]

Lights

WT

WT [C 2 ]

120V

WT

[8]

WT [4]

[17]

BLK

L1

24V

BLU

Purple

RED

Grn/Ylo

VR8605A

VALVE

Sensor

Ignitor

T2
BLU

D2
BLU

BLUE

[10]

BLUE

[12 ]

GREY
[7,8]

Orange

Black

RAM

GDN

Valve

Thermostat

Sensor

Igniter

RTD Probe

12

STEAM OPTI ON

BRN

1
2

3

BLU

H1

TIMER

BLU

4

31

5

6

H1

7

H2

BRN

A2

WATER

H2
B

POTENTIOMETER

R
N

STEAM

A

A1

B

A1

BUTT
CONN ECT OR

STEAM

BLK

YEL
RED

BLU

VALVE

29

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SOLE NOI D

SWI TC H

9. PARTS LISTS & EXPLODED VIEWS

CO1-G

Full Size Gas Convection Oven

PO Box 80400 ♦ Simpsonville, SC ♦ 29680-0400

[phone]
[phone]
[phone]

[e-mail]

fax
US & Canada
web address

Figure B

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26

27

25

28

16

Burners

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Item Part # Description

1 S1050Y 30" Leg (Set of 4) 23 N3068P 1/8" Pressure Tap Nozzle Assy
2 Q4017V Leg Bolt, Set (For 4 Legs) 24 N3026A 1/2" Union
3 S1217Y 24 1/2" S/S Leg (Set/4) Used w/Casters 25 R3158A Carry-Over
4 S1252T 24 1/2" S/S Leg (each) Used w/Casters 26 L5090A Burner (3)
5 S1081X Casters, 4" (Set of 4) 27 L5091X Burner w/Ignitor Bracket (1)
6 S1022X Caster, 4" (No Lock), each 28 M1323X Flame Rod (Flame Sensor)
7 S1023X Caster, 4" (w/Lock), each 29 M2140X Igniter, 24V
8 K1357E Mounting Plate

9 S1049Y 6" Bullet Legs (Set of 4) 31 R3165X Combination Valve (LP)
10 S1049A 6" Bullet Legs (each) 32 R3178P Combination Valve, CE (Natural)
11 E3148X
12 E3149X
13 T3051X
14 T3052X
15 T8075X
16 R3180A #48 Burner Orifice Spud (Nat) 38 S3227A Door Chain Rod (Long)
17 R3175A #57 Burner Orifice Spud (LP) 39 S3145X Sprocket
18 R3176A 1.15mm Burner Orifice Spud CE (LP) 40 S3112X Roller Chain #35
19 R3161X #71 Carry-Over Orifice Hood (Nat) 41 S3224A Chain Connection Link #41
20 R3160X #78 Carry-Over Orifice Hood (LP) 42 S3223A Turnbuckle 1/4-20x3"
21 M1233X LP Kit (for Combination Valve) 43 Q2039A 1/4-20 Hex Nut, Left Hand Thread (2)
22 M1343A Natural Kit (for Combination

23

Top Right Angle,
Top Left Angle,
Left Rack Support,
Right Rack Support,
Bottom Shelf w/Hdwr,

Burners / Valve / Door Chain / Legs

33

32

17

19

31

30

22

21

18

20

10

(for Casters) each 30 R3164X Combination Valve (Natural)

Open Rack Stand

Open Rack Stand

Open Rack Stand

IN

OUT

8

9

Open Rack Stand

Open Rack Stand

24

Safety Valve

24

6

7

Valve)

35

IN

3

4

5

Item Part # Description

33 R3179P Combination Valve, CE (LP)
34 R1116A Manifold
35 S3228A Flange Bearing (4)
36 S3231X Door Chain Assy (Complete)
37 S3226A Door Chain Rod (Short)

39

1

Door Chain Assy

12

13

15

Legs & Open Rack Stand

11

36

37

38

40

41

2

14

42

43

N/S M1114X Solonoid Valve N/S N5815A 1/4 Tubing x 9"
N/S M1115X Coil (For Solonoid Valve) N/S N1019X Steam Injection Nozzle
N/S N3039A 1/8 Brass Coupling N/S M1175X Steam Timer, 115V
N/S N3040A 1/8 Brass Elbow N/S M1231A Steam Timer, 208/240V (Export)
N/S N5831A 1/8x4" Brass Nipple N/S M1176X Steam Potentiometer
N/S N3041A 1/8NPT-1/4 Compression Fitting N/S M1049X Momentary Switch (Steam)
N/S N5814A 1/8x2 3/8 Nipple

Note: When ordering, ALWAYS specify Part #, Model #, Serial #, Voltage/Phase & type of Gas. U6003A-BKI 8/07

Steam Option (Not Shown)

13

ERBK SA

IPEDR

PO Box 80400 ♦ Simpsonville, SC ♦ 29680-0400

CO1-G

Full Size Gas Convection Oven

[phone]
[phone]
[phone]

[e-mail]

fax
US & Canada
web address

Figure A Exterior / Interior / Controls / Doors

25

18

3

35

34

4

17

23

54

53

83

52

51

84 85

55

9

50

56

88

49

48

47

46

81 82

12

36

8

1

2

10

44

45

16

90

BKI

WORLDWIDE

37

ERBK SA

IPEDR

91

42

19

20

21

21

6

5

93

22

22

89

7

7

11

72

41

87

71

70

73

29

24

78

43

80

57

74

86

13

75

79

60

28

31

27

30

S

r

o

o

D

92

w

i

t

c

h

32

76

26

58

75

39

64

61

63

59

62

58

40

58

38

14

75

15

Note: When ordering, ALWAYS specify Part #, Model #, Serial #, Voltage/Phase & type of Gas. U6003A-BKI 8/07

69

68

94

95

65

66

67

14

PO Box 80400 ♦ Simpsonville, SC ♦ 29680-0400

[phone]

CO1-G

Full Size Gas Convection Oven

Item Part # Description Item Part # Description

[e-mail]

[phone]
[phone]

fax
US & Canada
web address

Exterior / Interior / Controls / Doors

1 E3450X Door Seal, Top or Bottom, each (2) 49 P6007X Elec Line Cord, 250V (UK)
2 E3451K Door Seal, Sides, each (2) 50 N5048P Rear Pipe Connection
3 E3466U Door Closure Strip 51 P1144X Snap-In Light Assy (w/130V Bulb)
4 S1317U Door Handle 52 P1145X Snap-In Light Assy (w/240V Bulb)
5 Q1477A Screw, FH 10-32x1/2 (4) 53 P1146X Light Bulb (15W, 130V)
6 Q3047A #10 Lockwasher, Countersunk, Ext. (4) 54 P1147X Light Bulb (15W,240V)
7 E3487X Vertical Trim 55 P1082A Conduit BX, 3/8"
8 E3485K Outer Cover (Left) 56 P1084A Bushing, Anti-Short, 3/8"

9 E3486K Outer
10 E3501K Outer Cover (Top) 58 M1049X Switch, Momentary (Light &/or Steam)
11 E3499X Access Cover (Side) 59 S1171A Plug Button, 7/16"
12 E3488X Top Trim 60 M1326X Switch, Rotary (EGO)
13 E3490X Bottom Apron 61 M1339A Pilot Light Amber (Thermostat)
14 E3498X Access Cover (Front) 62 M1340A Pilot Light Green (Power)
15 S3203K Latch Assy (Magnetic) 63 M1332X Timer, 60 Minutes (120V)
16 E3514X S/S Perforated Rear Panel 64 M1346X Timer, 60 Minutes (208/240V)
17 E3454X Door Assy Left (No Window) 65 M2138X Ignition Control Module (24V)
18 E3458X Door Assy
19 E3456X Door Assy Right (No Window) 67 M2139A Harness w/Terminals
20 E3460X Door Assy Right (w/Window) 68 M1203X GC-20 T-stat w/Knob (120V)
21 S3229A Door Rod 69 M1227X GC-20 T-stat w/Knob (208/240V)
22 Q4033A Roll Pin 1/4 x 1 1/4 70 M1204X Temperature Sensor, 60"
23 S1048X Window Assy 71 E3051K Clamp, Temperature Sensor (1)
24 E3053K Baffle Plate 72 P1042A Victor Clip, Tem p Sensor (3)
25 Q2009A Thumb Screw, 1/4-20x1/2 (4) 73 M1176X Potentiometer
26 E3095X Baffle Plate Bracket Assy (4) 74 M1335X Bell Audiolarm
27 Q1414A Screw, Hex
28 E3481X Combustion Chamber (Front Center) 76 M1352X Ckt Breaker, 120-240V, 15A
29 E3482X Combustion Chamber (Front Left) 77
30 E3511X Combustion Chamber (Front Right) 78 M1356A Solid State Relay, CE
31 E3471K Door Switch Actuator 79 M1145X Transformer (120V-24V)
32 M1102X Microswitch (Rotary) 80 M1174X Transformer (208/240V-24V)
33 81 M1157X Motor, 1/4HP, 2Spd, 115V, 60
34 R3166A Flue Adapter 7" (For Direct Venting Only) 82 M1217X Motor, 1/4HP, 2Spd, 200-230V,50-60
35 R3113A Flue Diverter (For Direct Venting) 83 Q3008A Flat Washer (4)
36 R3167A Flue Diverter (For Collection
37 U1451A BKI Name Plate (13 3/4") 85 Q2204A Nut, 5/16 HX, 5/16-18 (4)
38 U1450A Control Panel Overlay (Rotary) 86 S1195X Blower Wheel
39 87 Q2302A Bolt, Wheel Puller 3/8-16x2 Hx (2)
40 U1296A Timer Overlay (50 cycle only) 88 P1108A Conduit Connector, 3/8"x1/2", 90 deg.
41 U1216A Rating Plate 89 E3225X Stacking Bracket,
42 U1055A Caution Hot Label 90 T3044A Rack Support
43 U1128A Supply Connection 91 T3043A Wire Rack
44 U1169A Motor Rotation Arrow 92 E3483K Flame Guard
45 U1210A Installation Warning 93 E3531K Door Limit Block
46 P6004X Elec Line Cord, 115V (US & Can) 94 M1175X Steam Timer, 115V
47 P6005X Elec Line Cord, 250V (US & Can) 95 M1231A Steam Timer, 208/240V (Export)
48 P6006X Elec Line Cord, 250V (Europe)

Cover (Right) 57 P1003X Terminal Block (3 Pole)

Left (w/Window) 66 M1355A Ignition Control Module, CE (24V)

Hd, #10x3/4 (8) 75 S1311X Knob (3)

Hood) 84 Q3014A Lock Washer, Split (4)

CO11-G2 Only

(each)

Conversion Kit (Natural to LP)

4 R3175A #57 Burner Orifice Spud, LP 4 R3180A #48 Burner Orifice Spud, Nat

1 M1233X LP Kit

1 R3160X #78 Carry-over Orifice Hood, LP 1 R3161X #71 Carry-over Orifice Hood, Nat

Note: When ordering, ALWAYS specify Part #, Model #, Serial #, Voltage/Phase & type of Gas. U6003A-BKI 8/07

for Combination Valve 1 M1343X Natural Kit for Combination Valve

Conversion Kit (LP to Natural)

15

10. BKI LIMITED WARRANTY

PO Box 80400 Simpsonville, SC 29680-0400 USA

[phone] ♦ Toll Free: [phone] ♦ Fax: [phone]

WHAT IS COVERED This warranty covers defects in material and workmanship under normal use, and applies only to the original purchaser

providing that:

♦ The equipment has not been accidentally or intentionally damaged, altered or misused;
♦ The equipment is properly installed, adjusted, operated and maintained in accordance with National and local codes. and

in accordance with the installation instruction provided with the product;

♦ The serial number rating plate affixed to the equipment has not been defaced or removed.

WHO IS COVERED This warranty is extended to the original purchaser and applies only to equipment purchased for use in the U.S.A.

COVERAGE PERIOD Convection Ovens: COB Models:

CO1 Models: Tw o (2) Year limited parts and labor; (5) Year limited door warranty.
Warranty period begins the date of dealer invoice to customer or ninety (90) days after shipment date from BKI - whichever
comes first.

WARRANTY This warranty covers on-site labor, parts and reasonable travel time and travel expenses of the authorized service
COVERAGE representative up to (100) miles. round trip, and (2) hours travel time.

EXCEPTIONS The extended door warranty years 3 through 5 is a parts only warranty and does not include labor, travel,

charges.

EXCLUSIONS ♦ Negligence or acts of God,

♦ Thermostat calibrations after (30) days from equipment installation date,
♦ Air and Gas adjustments,
♦ Light bulbs,
♦ Glass doors and door adjustments.
♦ Fuses,
♦ Adjustments to burner flames and cleaning of pilot burners,
♦ Tightening of screws or fasteners.
♦ Failures caused by erratic
♦ Unauthorized repair by anyone other than a BKI Factory Authorized Service Center,
♦ Damage in shipment,
♦ Alteration, misuse or improper installation,
♦ Thermostats and safety valves with broken capillary tubes.
♦ Freight - other than normal UPS charges,
♦ Ordinary wear and tear.

INSTALLATION Leveling. as well as proper installation and check

the responsibility of the dealer or installer, not the manufacturer.

One (1) Year limited parts and labor; COM Models: Tw o (2) Year limited parts and labor;

milage or any other

voltages or gas supplies,

out of all new equipment - per appropriate installation and use materials - is

REPLACEMENT BKI genuine Factory OEM parts receive a (90) day materials warranty effective from the date of installation by a BKI Factory
PART S Authorized Service Center.

This

Warranty is in lieu of all other warranties, expressed or implied, and all other obligations or liabilities on the manufacturers part. BKI shall in no
event be liable for any special, indirect or consequential damages, or in any event for damages in excess of the purchase price of the unit.
replacement of proven defective parts shall constitute a fulfillment of all obligations under the terms of this warranty.

The repair or

Form #U4177A-BKI 7/07

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