TurboChef HHB User manual

Brand: TurboChef

Model: HHB

Type: User manual

Accelerating the World of Cooking

High h Batch Service Manual

     

 



800.90TURBO

art Number: HHB-8707/Revision A/June 2005

For further information call:

Customer Service at .

Sales & Marketing at .

Accelerating the World of Cooking

The information contained in this manual is important for the proper installation, use, maintenance,

and repair of this oven. Follow these procedures and instructions to ensure satisfactory baking results and

years of trouble-free service.

Errors – descriptive, typographic, or pictorial – are subject to correction. Specifications are subject to

change without notice.

PLEASE CAREFULLY READ THIS MANUAL AND RETAIN IT FOR FUTURE REFERENCE.

Safety Instructions

Important Safety Information – Please Read First i

General Safety Information i

Reducing Fire Risk i

Preventing Oven Damage ii

Grounding Instructions ii

Power Cord Replacement ii

Theory of Operation, Specifications and Installation

Theory of Operation 1

Certifications 1

Dimensions 1

Construction

Electrical S

pecifications 2

North America (except Canada)/South America 2

Canada 2

Europe/Asia/Pacific 2

United Kingdom/Ireland 2

Installation 2

Lifting and Placing the Oven 2

Setup 3

Oper

ating the Oven

Control Display and Key Identification 5

Oven States and Menu Access 5

Oven State Descriptions 5

enu D

escriptions

Powering Up 6

owering Down 6

Cooking Instructions 6

Cooking Options 7

Time Screen Options 7

Done Screen Options 7

Using the Options Menu 8

Enabling/Disabling the Edit Menu 8

rasing the R

ecipe Menu 9

Enabling/Disabling the Write Card Function 9

Enabling/Disabling the Time Screen 10

Enabling/Disabling the Done Screen 10

nabling/D

isabling the D

emonstration M

ode

Table of Contents

Programming Recipes 11

Adjusting the Cook Chamber Temperature 12

Modifying Recipes 12

Loading Menu from Smart Card 14

Saving Menu to Smart Card 14

Checking Recipe Counter 16

Diagnosing an Issue

Fault Codes: Descriptions, Clearing Instructions, 17

and Troubleshooting

F1: BLOWER (Blower Running Status Bad) 17

F2: LOW TEMP (Cook Temperature Low) 17

F6: EC TEMP (Electrical Compartment Temperature High) 20

F7:

THERMO (Thermocouple Open) 20

F8: HEAT LOW (Heat Rise Low) 20

Status Indicators 23

Door 23

Heater A 23

Heater B 23

Blower 23

Testing Options 23

Testing the B

lower Motor 24

Viewing/Clearing the Fault Log 24

Adjusting Temperatur

e Offset 24

Checking H

eaters A and B 25

Testing the Rack Oscillator 27

Enabling/Disabling Diagnostic Mode 27

Viewing Cook Counter/Time 27

Viewing Cumulative Operating Time 28

Viewing EC Temperature 28

Changing Fahrenheit/Celsius Option 29

Viewing/Entering Serial Number 29

The Control System

viceable Components

Blower Motor Controller 32

Cooling F

ans 33

Display 34

Display Keypad 35

Door Switch 36

uses

I/O Control Board 39

Power Supply 39

elay

Smart Card Reader 39

Solid State Relay 40

Rack Oscillator Motor 40

Thermocouple – Cook Chamber 42

Thermocouple – Electrical Compartment 42

Thermostat – Cooling Fan 43

Thermostat – Hi-Limit 44

Voltage Sensor 45

Troubleshooting 46

No Keypad Input 46

No Display – Screen is Blank 47

The Oven Door

Serviceable Components 49

Door Gasket 50

oor Hinge 51

Door Switch 51

Troubleshooting 52

“Cook Door Open” Message when Door is Closed 52

The Impingement Circuit

Serviceable Components 53

Blower Motor 53

Heater E

lement 54

Jetplates (Top and Bottom) 55

Swing Arm Assembly 56

The Filtering System

Serviceable Components 57

Catalytic Converter 57

Filters 58

Cleaning the Oven

Daily Maintenance Procedures 59

Deep Clean Procedures 59

High h Batch S

chematic

High h Batch Oven Schematic 61

Schematic P

arts 63

I/O Control Board Test Point Locations 64

Comprehensive Part Listing

Compr

ehensiv

e P

t Listing

Hardware Descriptions 69

Glos

sar

y of T

erms

Subject Index

SAFETY INSTRUCTIONS

MPORTANT SAFETY INFORMATION – PLEASE READ FIRST

Improper installation, adjustment, alteration, service, or maintenance of this equipment can cause property

damage, injury, or death. Thoroughly read the installation, operating, and maintenance instructions before

installing or servicing this equipment. Strictly adhere to the following safety information to reduce the

risk of:

Damage to the oven

Damage to property near the oven

Personal injury

Burns

Fire

Electric shock

GENERAL SAFETY INFORMATION

Use this appliance only for its intended uses as described in this manual.

Only qualified service personnel should service this appliance. Contact the nearest authorized service

facility for examination, r

epair, or adjustment.

Always ensure the oven is disconnected fr

om the power supply before servicing, repairing, or adjusting

any components or parts.

DO NOT place the cord near heated surfaces.

DO NOT store or use flammable vapors or liquids (e.g., gasoline) in the vicinity of this appliance.

DO NOT allow children to use this appliance.

DO NO

T place corrosive chemicals or vapors in this appliance. It is not designed for industrial or

laboratory use.

DO NOT operate this appliance if it

Has a damaged cor

d or plug

Is not working properly

Has been damaged or dropped

DO NOT cover or block any openings on this appliance.

DO NOT store this appliance outdoors.

DO NOT use this appliance near water.

DO NOT immerse this appliance or any of its components (e.g., cord, plug, etc.) in water.

DO NOT let the cord hang over the edge of a table or counter.

REDUCING FIRE RISK

f materials inside the o

en ignite or if smoke is obser

ed,

1. Keep the oven door closed.

urn off the o

ven.

Disconnect the power cord or shut off power at the fuse/circuit breaker panel.

Carefully attend the oven if paper, plastic, or other combustible materials are placed inside the oven

to facilitate cooking.

DO NOT leave items in the Cook Chamber when the oven is not in use.

DO NOT cook items wrapped in cling wrap or plastic film.

DO NO

ercook food.

SAFETY INSTRUCTIONS

REVENTING OVEN DAMAGE

When servicing this appliance, do not tear insulation to get to components. Rather, find the edge of

the insulation and remove the tape that holds it in place.

Operate the oven only when food is in the Cook Chamber.

Clean the oven daily.

Clean the oven only with TurboChef Oven Cleaner.

DO NOT clean with a water jet.

DO NOT slam or mishandle the oven door.

DO NOT frequently open and close the door to check the cook status of the food.

DO NOT allow cleaning solution or water to remain in the Cook Chamber longer than necessary.

GROUNDING INSTRUCTIONS

WARNING:

Improper grounding increases the risk of electric shock.

This appliance must be grounded. It is equipped with a cord that has a grounding wire and plug that,

in the ev

ent of an electrical short cir

cuit, r

educe the risk of electric shock by providing an escape wire for

the electric current. The wir

e must be plugged into an outlet that is pr

operly installed and grounded.

Consult a qualified electrician or serviceman for help understanding

Grounding instructions

Whether or not the appliance is properly grounded

DO NO

T use an extension cord. If the power supply cord is too short, request a qualified electrician

or serviceman to install an outlet near the appliance.

POWER CORD REPLACEMENT

o av

oid potential hazar

ds, only the manufactur

er, its service agent, or a similarly qualified person should

replace a damaged power cord.

Theory of Operation,

Specifications, and Installation

THEORY OF OPERATION, SPECIFICATIONS AND INSTALLATION

HEORY OF OPERATION

The TurboChef

High h Batch speed cook oven

uses high heat transfer rates developed by force air

impingement to rapidly cook food. The High h

batch utilizes top and bottom Jetplates that have

been optimized for specific food items. The plates

can be easily removed and replaced to facilitate

either higher or lower heat transfer rates. As a result,

the operator can cook foods that require maximum

browning/caramelizing (high heat transfer), or more

delicate foods that require low heat transfer to

ensure quality is not compromised.

The technology is similar to but about twice as fast

as the fastest impingement conveyor oven. The High

h Batch utilizes a variable speed blower, oscillating

rack, and Catalytic Converter to provide maximum

speed, minimal energy input, ventless operation and

the highest food quality.

CERTIFICATIONS

UL, cUL, NSF

IMENSIONS

Single Units

Height 20.5

′′ (521 mm)

Width 25.5

′′ (648 mm)

Depth 29

′′ (737 mm)

with handle 31.5

′′ (800 mm)

Weight 157 lbs. (71 kg)

Double Units (requires Stacking Kit)

Height 41

′′ (1042 mm)

Width 25.5

′′ (648 mm)

Depth 29

′′ (737 mm)

with handle 31.5

′′ (800 mm)

Weight 314 lbs. (42 kg)

Cook Chamber

Height 8′′ (203 mm)

Width 18.75

′′ (476 mm)

Depth

16.75

′′ (425 mm)

Volume 1.45 cu. ft. (41.1 liters)

Wall Clearance

Top 2′′ (51 mm)

Sides 2

′′ (51 mm)

 : High h Batch Dimensions

THEORY OF OPERATION, SPECIFICATIONS AND INSTALLATION

ONSTRUCTION

Exterior

Stainless steel front, top, sides, and back

4′′ (102 mm) matte black legs

Cool-to-touch coated handle

Removable drain pan

Removable cook door for cleaning

Interior

304 stainless steel interior

Drain system helps prevent debris buildup

Removable Jetplates for deep cleaning

ELECTRICAL SPECIFICATIONS

North America (except Canada)/South America

HHB (P/N: HHB-8601-1)

Phase 1

Voltage* 208/240 VAC

Frequency 50/60 Hz

Current 24 amp

Cord 10 gauge, 3 wire, 6 foot, SOOW

Plug NEMA 6-30P

Canada

HHBC (P/N: HHB-8601-1C)

Phase 1

Voltage* 208/240 VAC

Frequency 50/60 Hz

Current 24 amp

Cord 10 gauge, 3 wire, 6 foot, SOOW

Plug NEMA 6-50P

mar

oltage S

ensor Technology automatically

senses the supply voltage and configures the oven

to the correct setting (208 or 240). It does not

compensate for lack of or o

ver voltage situations.

Europe/Asia/Pacific

HHBEW (P/N: HHB-8601-1W)

Phase 3

Voltage 400 VAC

Frequency

50/60 Hz

Current

10 amp

Cord

HO7RN-F, 5 wire

Plug IEC 309, 5-pin, 16 amp

HHBED (P/N: HHB-8601-1D)

Phase 3

Voltage 230 VAC

Frequency 50/60 Hz

Current 18 amp

Cord HO7RN-F, 4 wire

Plug IEC 309, 4-pin, 32 amp

United Kingdom/Ireland

HHBUK (P/N: HHB-8601-1K)

Phase 1

Voltage 230 VAC

Frequency 50/60 Hz

urrent 24 amp

Cord HO7RN-F, 3 wire

Plug IEC 309, 3-pin, 32 amp

NOTE: The owner is responsible for supplying

voltage that corresponds to the above specifications.

For help in answering questions about electrical

specifications, consult a qualified electrician.

INSTALLATION

Install or locate this appliance only in accordance

with the instr

uctions below.

Lifting and Placing the Oven

WARNING: Oven weight is approximately

157 lbs. (71 kg).

wo or mor

e persons ar

required to lift it.

ARNING

o prevent personal injury or

damage to the oven DO NOT lift the oven

rom the front and rear or by the handle.

WARNING: The operator must ensure that

the oven is properly placed on the table or

counter

top at all times.

urboChef will not r

ecogniz

a fallen oven as a warrantable claim and is not liable

for any injuries that may r

esult.

When lifting and placing the oven:

1. Position one or more persons on left and right

sides of oven.

THEORY OF OPERATION, SPECIFICATIONS AND INSTALLATION

2. Lift from bottom of oven.

3. Place oven on surface at least 30

′′ (762 mm)

deep and capable of supporting 167 lbs (76 kg).

Setup

Once oven is properly positioned on the counter:

1. Remove packing material and/or foreign objects

from within Cook Chamber.

2. Install Oven Rack by placing it over support pins.

3. Plug in oven to appropriate electrical outlet.

Operating the Oven

PERATING THE OVEN

This section contains information on:

Control Display and K

ey Identification

Powering up

Powering do

Cooking Instructions

Cooking Options

Programming Recipes

Using the Options Menu

CONTROL DISPLAY AND KEY IDENTIFICATION

efer

ence F

igure 2.

1. Display

Displays operational information.

oft k

ix (6) keys used for differ

ent functions

depending on what is adjacently displayed.

3. Directional keys

Allow user to navigate menus and adjust

incremental settings.

4. Enter key

Used to sav

e edited information.

5. Back/Stop key

Press to stop a Cook Cycle or to return to a

previous scr

een.

6. On/Of

fkey

Turns the oven on and off.

OVEN STATES AND MENU ACCESS

(Refer

ence Figure 3, page 6)

Oven State Descriptions

1. Warm-up

State during which the oven warms itself to the

predetermined Cook Chamber temperature.

2. Ready to Cook

The oven is “ready to cook” when it has warmed

up to the preset Cook Chamber temperature. At

this point, the operator can enter cook commands

via the keypad.

Cool-down

State during which the Blower Motor blows cool

air into the Cook Chamber until the temperature

is below 150ºF (66°C). This takes approximately

90 minutes.

Cooking components are off and Cook

Chamber temperatur

e is belo

w 150ºF (66°C),

but Control System remains operational.

EFT

IGHT

LEFT

RIGHT

 : High h Batch Keypad

4 5 6

Menu Descriptions

1. Edit Menu

Menu from which operator/technician can

modify Cook Chamber temperature, recipes,

and recipe settings.

2. Options Menu

Menu from which operator can enable/disable

various operative functions.

3. Recipe Menu (or “Menu”)

ighest superset of recipes, the menu consists of

12 food groups of 6 recipes, or 72 recipes total.

4. Test Mode Menu

Menu from which technician can run

diagnostics and check statistics in test mode.

POWERING UP

To turn on the oven, press the “ON/OFF” Key.

The oven will begin to warm up to its predefined

cooking temperature (typically 500ºF (260ºC)).

This takes appr

oximately 10 minutes.

When the Warm-up Cycle is completed, the

oven will beep and display “READY TO COOK.”

ithin a fe

w seconds, the oven will display food

groups from which to select a food item.

WERING DOWN

o turn off the o

en, pr

ess the “ON/OFF” Key.

Total cool down time is approximately 90 minutes.

NOTE: To expedite the cooling process, open the

Oven Door.

WARNING: The oven door is hot.

To prevent possible burns, ensure that the

door is not blocking a throughway or aisle when

opened to expedite cooling process.

COOKING INSTRUCTIONS

Recipes have developed and programmed into the

ven, depending on the customer’s request.

To select a recipe and initiate a Cook Cycle:

Press the “ON/OFF” K

ey to turn the oven on.

The o

ven will start warming up.

2. Once the oven reaches its predetermined cook

temperature (typically 500°F (260°C)), it will

display a menu.

3. Carefully place the food item to be cooked in

the Cook Chamber.

WARNING: Inside of oven is HOT and

could r

esult in injur

4. To select a food group, press the corresponding

Soft Key (Figure 4)

NOTE: Press the “DOWN” Key to view food

groups 7–12.

OPERATING THE OVEN

VEN S

ATE ACCESS TO:

Edit Menu Options Menu Recipe Menu Test Mode Menu

arm-up

NO NO NO

Ready to Cook NO NO YES NO

Cool-down YES YES NO YES

Off YES YES NO YES

 : Oven State/Menu Access Table

PERATING THE OVEN

LEFT

RIGHT

 : Selecting a Food Group

Press the Soft Key that corresponds to the desired food

group. In this example, pressing the top right Soft Key

would access all Food Items in the “1st Group”.

NOTE: Press the “DOWN” Key to view Food

Groups 7-12.

EFT

IGHT

 : Selecting a Food Item

Press the Soft Key corresponding to the desired food item.

In this example, pressing the top right Soft Key would initiate

a Cook Cycle for the “First Item”.

5. Each of the 12 food groups contains 6 food

items (r

ecipes). Select a recipe by pressing the

corresponding Soft Key (Figure 5).

NOTE: To immediately terminate a Cook Cycle,

press the “BACK/STOP” Key.

COOKING OPTIONS

ime S

een Options (Figur

e 6, page 8)

f the

ime Screen is enabled, before initiating a

Cook Cycle the operator will be given the option

to adjust the cook time in 5-second increments.

To learn about enabling and disabling the Time

Screen, see page 10.

Done Screen Options (Figure 7, page 8)

f the Done Screen is enabled, when the operator

opens the door at the end of a Cook Cycle he/she

will be given two (2) choices:

1. Save Time – save an adjusted cook time (if Time

Screen is also enabled).

2. Cook More – cook an item longer after it reaches

the end of its Cook Cycle.

When an item is cooked longer, the oven cooks it

to the specifications of the final event in the initial

Cook Cycle. To learn about events (or phases) of a

recipe, see Modifying Recipes (pages 12-14).

o learn about enabling and disabling the D

one

Scr

een, see page 10.

PERATING THE OVEN

USING THE OPTIONS MENU

se the O

ptions M

enu to:

Enable/disable the Edit Menu

Erase Recipe Menu

nable/disable the

rite Car

d Function

Enable/disable the Time Screen

nable/disable the Done Screen

Enable/disable Demonstration Mode

To access the Options Menu:

nsur

e the o

en is in either Cool-do

wn S

tate or

Off State.

imultaneously press and hold top left and top

right Soft Keys for 5 seconds.

Enabling/Disabling Edit Menu (Figure 8)

nabling the Edit Menu allows operators to modify

Cook Chamber temperature, recipes, and recipe

settings. Disabling the Edit Menu prevents operators

from accessing these options.

By default, the Edit Menu is enabled unless

otherwise requested by the customer.

To enable/disable the Edit Menu:

1. From the Options Menu, press the “EDIT

MENU” Soft Key (top left) to turn the Edit

Menu on or off.

ess the “

CK/ST

OP” Key to exit the

ptions M

enu.

LEFT

RIGHT

TART

NTER COOK TIME

02:00

 : Time Screen

Press the “START” Soft Key (bottom right)

to initiate a Cook Cycle.

Use the “UP” and “DOWN” Keys to adjust

time in 5 second increments.

EFT

RIGHT

COOK MORE

DONE

LEASE REMOVE

FROM OVEN

SAVE TIME

 : Done Screen

Press the “SAVE TIME” Soft Key (bottom left)

to save an adjusted time.

After selecting “Cook More,” adjust additional

time in 5 second increments using the “UP” and

“DOWN” Keys.

Press the “COOK MORE” Soft Key

(bottom right) to cook an item longer.

PERATING THE OVEN

Erasing the Recipe Menu (Figure 9)

rasing the Recipe Menu will permanently delete

currently-stored recipes and recipe settings.

To erase the menu:

1. From the Options Menu, press the “ERASE

MENU” Soft Key (middle left) to erase menu.

ess the “ENTER” Key to confirm or the

“BACK/STOP” Key to cancel.

3. Press the “BACK/STOP” Key to exit the

Options Menu.

Enabling/Disabling the Write Card Function

(Figur

e 10, page 9)

Enabling the Write Card function allows

operators to save recipes from the oven to a Smart

Card. Disabling the Write Card function prevents

operators from doing so.

By default, the Write Card function is disabled

unless other

wise r

equested b

y the customer.

To enable/disable the Write Card function:

1. From the Options Menu, press the “WRITE

CARD” Soft Key (bottom left) to turn the Write

Card function on or off.

ess the “

CK/STOP” Key to exit the

Options Menu.

 : E

nabling/Disabling the Edit Menu

LEFT

RIGHT

OVEN OPTIONS

DIT MENU ON

ERASE MENU

RITE CARD OFF

IME SCREEN ON

DONE SCREEN ON

EMONSTRATE OFF

Step: 2

To access the Options Menu,

simultaneously press and hold for 5 seconds.

Here the “Edit Menu” is turned on.

Step: 1

 : Erasing the Menu

EFT

RIGHT

OVEN OPTIONS

EDIT MENU ON

ERASE MENU

WRITE CARD OFF

TIME SCREEN ON

DONE SCREEN ON

DEMONSTRATE OFF

ERASE MENU? PRESS “ENTER”

Step: 3

To access the Options Menu,

simultaneously press and hold for 5 seconds.

After “Erase Menu” is selected, a

confirmation message appears.

Step: 1

Step: 2

Enabling/Disabling Time Screen (Figure 11)

nabling the Time Screen function allows the

operator to adjust the Total Cook Time before

initiating a Cook Cycle. Disabling it prevents the

operator from doing so and helps ensure originally-

programmed cook times remain unaltered.

By default, the Time Screen is enabled unless

other

wise r

equested b

y the customer.

To enable/disable the Time Screen:

1. From the Options Menu, press the “TIME

SCREEN” Soft Key (top right) to turn the Time

Screen function on or off.

ess the “

CK/STOP” Key to exit the

Options Menu.

Enabling/Disabling Done Screen (Figure 12)

nable the D

one Scr

een to:

Save an adjusted cook time

Cook an item longer after it reaches the end

of its Cook Cycle

isabling it prevents the operator from doing the

abo

e and helps ensur

e all originally programmed

cook times r

emain unalter

ed.

By default, the Done Screen is enabled unless

otherwise requested by the customer.

To enable/disable the Done Screen:

1. From the Options Menu, press the “DONE

SCREEN

” Soft Key (middle right) to turn the

Done Screen function on or off.

ess the “

CK/STOP” Key to exit the

Options Menu.

 : Enabling/Disabling the Write Card Function

LEFT

RIGHT

OVEN OPTIONS

DIT MENU ON

ERASE MENU

RITE CARD OFF

IME SCREEN ON

DONE SCREEN ON

EMONSTRATE OFF

Step: 2

To access the Options Menu,

simultaneously press and hold for 5 seconds.

Here the “Write Card” function

is turned off.

Step: 1

 : Enabling/Disabling the Time Screen

EFT

RIGHT

OVEN OPTIONS

EDIT MENU ON

ERASE MENU

WRITE CARD OFF

TIME SCREEN ON

DONE SCREEN ON

DEMONSTRATE OFF

Step: 2

To access the Options Menu,

simultaneously press and hold for 5 seconds.

Here the “Time” Screen function

is turned on.

Step: 1

OPERATING THE OVEN

PERATING THE OVEN

Enabling/Disabling Demonstration Mode (Figure 13)

nabling Demonstration Mode allows the operator

to view/show every operational aspect of the oven

without the oven actually heating up.

By default, the Demonstration Mode is disabled

unless otherwise requested by the customer.

o enable/disable D

emonstration M

ode:

1. From the Options Menu, press the

“DEMONSTRATE” Soft Key (bottom right) to

turn the Demonstration Mode on or off.

2. Press the “BACK/STOP” Key to exit the

ptions M

enu.

PROGRAMMING RECIPES

Programming options include:

Adjusting the Cook Chamber Temperature

Modifying Recipes

Loading a Menu from a Smart Card

aving a M

enu to a S

mar

t Car

Checking the Recipe Counter

o pr

ogram r

ecipes, the o

en must be in either the

Cool-down State or Off State.

LEFT

RIGHT

OVEN OPTIONS

DIT MENU ON

ERASE MENU

RITE CARD OFF

IME SCREEN ON

DONE SCREEN ON

EMONSTRATE OFF

 : Enabling/Disabling the Done Screen

Step: 2

To access the Options Menu,

simultaneously press and hold for 5 seconds.

ere the “Done” Screen function

is turned on.

tep: 1

EFT

RIGHT

OVEN OPTIONS

EDIT MENU ON

ERASE MENU

WRITE CARD OFF

TIME SCREEN ON

DONE SCREEN ON

DEMONSTRATE OFF

 : Enabling/Disabling the Demonstration Mode

Step: 2

To access the Options Menu,

simultaneously press and hold for 5 seconds.

Demonstration Mode is turned off.

Step: 1

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TurboChef HHB User manual

TurboChef HHB User manual

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