TurboChef HHC-2020 User manual

Accelerating the World of Cooking

TM

Service Manual

FOR THE TURBOCHEF 2020 HIGH h CONVEYOR OVEN

For further information, call

800.90TURBO

or

+1 214.379.6000

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

and r

epair of this o

ven. Follow these procedures and instructions to help ensure satisfactory baking

results and years of trouble-free service.

E

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

change without notice.

P

lease carefully read this manual and retain it for future reference.

Table of Contents

Safety Information

I

mportant Safety Information – Please Read First i

G

eneral Safety Information i

R

educing Fire Risk i

Preventing Oven Damage ii

Grounding Instructions ii

Power Cord Replacement ii

Specifications and installation

D

imensions

1

E

lectrical S

pecifications 1

P

ackaging

2

Cer

tifications

2

Oven Construction 2

I

nstallation I

nstructions 2

Delivery and Initial Inspection 2

Lifting the Ov

en

2

Oven Location and Placement 2

S

tacking Ov

ens 3

Installation Near Open Heat Source 4

V

entilation Requirements 4

Cleaning - Daily and Weekly

D

aily Cleaning I

nstructions 5

Weekly Cleaning Instructions 6-8

S

tandar

d Oven Operation

Oven Controls 9

Cooking a P

r

oduct

10

Editing a Cooking Profile 12

Changing a Cooking P

r

ofile N

ame

12

Adjusting the Belt Speed 13

A

djusting the Temperature 13

Adjusting the Top and Bottom Air 13

O

ven Modes

Config M

ode 15

S

mart Card Screen (Loading a Menu) 15

Accessing the Fault Count Screen 15

Accessing the Setup Mode 15

S

etup Mode 15

Changing the D

isplay Temperature 16

E

dit Modes Select Screen 16

Changing the D

isplay Language 16

Info Screen 16

Updating the Firmware 16

T

est Mode 17

A

ccessing the Heat Control Screen 17

Accessing the Belt Control Screen 18

M

anipulating the Top and Bottom Blowers 18

Viewing the Status Indicators 18

Entering a New Serial Number 19

Initiating a Burn-In Test 20

E

rasing Oven Settings 20

Viewing the Serial Number 20

Oven Systems

The Control System 21

Control Board 21

D

isplay

21

EMI F

ilter

21

F

uses

21

H

igh-Limit

Thermostat 21

K

eypad

21

P

ower Supply - 24VDC 21

R

elays, K6 (Heaters) and K7 (Conveyor Direction) 21

R

elay, Solid State - K5/K4 Heaters 22

R

TD

22

S

mar

t Card Reader 22

Speaker 22

Thermostats - 120ºF (Close on Rise)

22

Wire Harness 22

The Conv

eyor System 23

Gear Drive (Conveyor Motor) 23

G

ear Drive (Conveyor Motor) Speed Controller (CMSC) 23

The Convection System 24

B

lo

wer Motor 24

Blower Motor Speed Controller (BMSC) 24

H

eaters 24

Troubleshooting

Ov

er

vie

w of

Troubleshooting 25

Fault Code Descriptions 25

F

ault Code

T

roubleshooting - F1:BLOWER FAULT 27-28

Fault Code Troubleshooting - F2: LOW COOK TEMP 29

F

ault Code

T

roubleshooting - F5: CC OVER TEMP 30

Fault Code Troubleshooting - F6: EC OVER TEMP 31

F

ault Code

T

roubleshooting - F7: RTD FAULT 32

Fault Code Troubleshooting - F8: HIGH LIMIT TRIPPED 32

F

ault Code Troubleshooting - F9: BELT FAULT (Total Belt Run Failure) 33

Non-Fault Code Troubleshooting - Cooling System Issue 34

N

on-Fault Code Troubleshooting - Food Not Cooking Properly 35

N

on-Fault Code Troubleshooting - No Display - Screen is Blank 36

Non-Fault Code Troubleshooting - No Keypad Input 36

Schematics

Oven Schematic (Delta 4-Pin Plug Configuration) 37

Ov

en Schematic (Wye 5-Pin Plug Configuration) 38

P

in-out 39

CMSC P

arameters 40

Appendix A - Replacing Oven Components

Compr

ehensive Part List A-1

R

eplacing Items - Outside of End Bells A-4

R

eplacing Items - Left End Bell A-6

R

eplacing Items - Right End Bell A-8

SAFET Y INFORMATION

Important Safety Information – Please Read First

I

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

damage, injur

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

installing or ser

vicing this equipment. S

trictly adhere to the following safety information to reduce the

risk of:

o

Damage to the oven

o

Damage to property near the oven

o

P

ersonal injury

o

B

urns

o

F

ire

o

E

lectric shock

General Safety Information

o

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

o

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

facility for examination, repair, or adjustment.

o

Always ensure the oven is disconnected from the power supply before servicing, repairing, or adjusting

any components or parts.

o

x

DO NOT place the cord near heated surfaces.

o

x

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

o

x

DO NO

T allow children to use this appliance.

o

x

DO NO

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

laborator

y use.

o

x

DO NO

T

operate this appliance if it:

H

as a damaged cor

d or plug

I

s not wor

king pr

operly

H

as been damaged or dr

opped

o

x

DO NOT cover or block any openings on this appliance.

o

x

DO NOT store this appliance outdoors.

o

x

DO NOT use this appliance near water.

o

x

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

o

x

DO NO

T let the cord hang over the edge of a table or counter.

Reducing Fire Risk

I

f materials inside the oven ignite or if smoke is observed,

1. Turn off the oven.

2.

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

o

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

to facilitate cooking.

o

x

DO NOT leave items in the cook cavity when the oven is not in use.

o

x

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

o

x

DO NO

T overcook food.

i

ii SAFET Y INFORMATION

Preventing Oven Damage

o

When ser

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

the insulation and r

emove the tape that holds it in place.

o

Clean the o

v

en daily.

o

Clean the oven only with TurboChef Oven Cleaner.

o

x

DO NOT clean with a water jet.

o

x

DO NOT allow cleaning solution or water to remain in the cook cavity longer than necessary.

Grounding Instructions

W

ARNING:

Improper grounding increases the risk of electric shock.

This appliance must be gr

ounded.

The cor

d is equipped with a grounding wire and plug, which in the

ev

ent of an electrical shor

t cir

cuit, r

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

electric current. The wire must be plugged into an outlet that is properly installed and grounded.

Consult a qualified electrician or serviceman to determine whether or not the appliance is properly

grounded.

o

x

DO NOT 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

T

o av

oid potential hazards, only the manufacturer, its service agent, or a similarly-qualified person should

r

eplace a damaged po

wer cord.

Specifications and Installation

SPECIFICATIONS AND INSTALLATION

1

Dimensions

Exterior

Height 13.0” (330 mm)

--with legs 17.0” (432 mm)

Width 48.3” (1227 mm)

--with extensions 60.1” (1527 mm)

D

epth 35.7” (907 mm)

Conveyor

Length 48.3” (1227 mm)

Width (Single) 20.0” (508 mm)

Width (50/50) 9.5” / 9.5” (241 mm / 241 mm)

Width (70/30) 15” / 4” (381 mm / 102 mm)

Electrical Specifications

North America

3 Phase

208/240 VAC

50/60 Hz

40 amp curr

ent draw

4-wir

e supply

NEMA 15-50P plug (4-pin IEC60309 av

ailable b

y

special or

der)

50-amp max cir

cuit br

eaker pr

otection

E

urope/Asia (220-240 VAC)

3 Phase

220-240

VAC

50/60 Hz

40 amp current draw

4-wir

e supply

IEC60309 4-pin plug

64-amp max cir

cuit breaker protection

E

urope/Asia (380-415 VAC)

3 Phase

380-415 VAC

50/60 Hz

20 amp current draw

5-wir

e supply

IEC60309 5-pin plug

32-amp max circuit breaker protection

35.7” (907 mm)

8.5”

(216 mm)

48.3” (1227 mm)

13.0”

(330 mm)

17.0”

(432 mm)

4.0” (102 mm)

60.1” (1527 mm) with extensions

43.0”

(1092 mm)

13.0”

(330 mm)

13.0”

(330 mm)

13.0”

(330 mm)

30.0”

(762 mm)

13.0”

(330 mm)

13.0”

(330 mm)

F

igur

e 1: Oven Dimensions - Side

Figure 2: Oven Dimensions - Top

F

igure 3: Oven Dimensions - Front (Single)

Figure 4: Oven Dimensions - Front (Double)

F

igure 5: Oven Dimensions - Front (Triple)

2 SPECIFICATIONS AND INSTALLATION

Packaging

All o

vens are packaged in a double-wall corrugated

bo

x with integrated wooden skids. All international

o

v

ens shipped via Air or Less than Container Loads

are packaged in wooden crates.

C

er

tifications

O

v

en C

onstruc

tion

-

430 stainless steel fr

ont, top

, sides, and back

-

Cool to touch co

v

ers and panels

- Stainless steel interior

- 20-inch-wide cook chamber

Installation Instructions

The

T

urboChef HhC 2020 Conv

ey

or Oven is

designed and certified for safe operation when

installed in accordance with local and/or national

codes. It is the owner and/or installer's responsibility

to comply with any codes that may exist. Install this

oven according to the policies and procedures

outlined below and throughout this manual.

W

ARNING: Death, injury, and equipment

damage can result from improper installation, or

installation of a unit damaged during shipment

or storage.

WARNING: Do not install an oven suspected

of damage. I

mproper installation or the

installation of a unit damaged during shipment

or storage may void the Limited Warranty.

D

elivery and Initial Inspection

All

TurboChef ovens are shipped so as to prevent

damage.

Upon delivery, inspect the shipping container for

external damage. Any evidence of damage should be

noted on the delivery receipt, which must be signed

b

y the driver.

Upon removing the oven from its shipping carton,

check for any possible damage. Make note of any

damage and contact the shipping company to file a

claim. Carriers will accept claims for concealed

damage if notified within fifteen days of the deliv

er

y

and if the shipping container is retained for

inspection.

T

urboChef does not assume responsibility for any

loss or damage suffered in transit. The carrier

assumes full responsibility for delivery in good order

when the shipment is accepted. However, when

necessar

y

,

TurboChef can assist in filing a claim.

Lifting the Oven

W

ARNING: The oven weighs approximately

195 lbs (88.5 kg).

T

wo or more people are

r

equir

ed to lift it.

Position one or more persons on either side of the

oven. Lift from the bottom. The countertop must be

at least 30” (762 mm) deep and capable of

supporting 200 lbs (90.7 kg) per oven.

Once properly positioned on the counter, plug the

o

ven into a wall mounted electrical receptacle. See

E

lectrical S

pecifications on page 1.

O

ven Location and Placement

WARNING: Death, injury and equipment

damage may r

esult from improper positioning.

WARNING: DO NOT stack ovens more than

thr

ee high.

I

t is the operator's responsibility to ensure the oven

is properly positioned on countertop. TurboChef will

not warrant any damage or injur

y to ovens that fall

off countertops due to improper placement.

P

r

oper placement of the oven will enhance

long-term operator convenience and satisfactory

per

formance. B

e sure to place the oven in an area

accessible for pr

oper operation and servicing.

PENDING

SPECIFICATIONS AND INSTALLATION

3

The sur

face on which the oven is placed must be at

least 30” (762 mm) deep and capable of suppor

ting

200 lbs. (90.7 kg) per o

ven. The manufacturer shall

not assume liability for damage or injury resulting

from the improper installation of this equipment,

including temporary or unstable work stations or

countertops.

The o

v

en must be installed level front to back and

side to side. F

or additional stability

, the oven legs

may be bolted to the countertop if desired.

W

ARNING: DO NO

T use this appliance with

out the legs installed.

When stacking, the legs

must be installed on the bottom oven only.

Stacking Ovens

WARNING: Make sure all HhC 2020 ovens

ar

e unplugged before stacking.

W

ARNING: DO NO

T stack ovens more than

3 high.

W

ARNING: DO NOT attempt to lift the

o

ven with fewer than 2 people.

1. Remove the legs from the oven(s) that are going

to be stacked on top.

2. Stack the top oven on the bottom oven. If

stacking three ovens, stack only the middle oven

at this point.

3.

R

emove the 4 screws marked A in Figure 6,

belo

w

.

4. Align each bracket with the holes in the bottom

oven and reinstall the screws marked A in

Figure 6, below.

5.

Remove the 2 screws marked B in Figure 6,

belo

w

.

6.

Align each bracket with the holes in the top

o

v

en and reinstall the screws marked B in

F

igur

e 6, belo

w.

7.

I

f stacking thr

ee o

vens, repeat steps 2-6 above to

stack the top o

v

en to the middle o

v

en.

8. Ensure each stacked oven is secured to the oven

beneath it via two stacking brackets – one on

each side.

A

B

A

B

F

igure 6: Stacked Ovens

A

B

Br

acket

Br

acket

4 SPECIFICATIONS AND INSTALLATION

Installation Near Open Heat Source

S

ee Figure 7. When placing a TurboChef oven near

an open heat source, strictly adhere to the following:

-

I

f the oven is being placed near a grill or stove,

a divider must exist betw

een the o

ven and the

open heat sour

ce, with a minimum of 6” (152

mm) between the oven and the divider.

-

If the oven is being placed near a fryer, a divider

must exist betw

een the oven and fryer, with a

minimum of 12” (305 mm) between the oven

and the divider

.

- The height of the divider must be greater than

or equal to the height of the oven(s) - page 1.

- Verify oven location has a minimum 10” (254

mm) clearance on top and minimum 2” (51

mm) of clearance on each side.

Ventilation Requirements

The HhC2020 should be operated underneath a

ventilation hood, except where local laws or codes

allow for use without a ventilation hood. For more

information or to or

der a ventilation hood, contact

800.90

TURBO, +1 214-379-6000, or your local

distributor

.

NOTE: In no event shall the manufacturer assume

any liability for damages or injuries resulting from

installations that are not in compliance with local

and national codes, and with the instr

uctions

pr

eviously listed.

Grill

Partition

Above Counter Top:

Single Oven = 17.0” (432 mm)

Double Stack = 30.0” (762 mm)

Triple Stack = 43.0” (1092 mm)

6”

(152 mm)

Minimum

12”

(305 mm)

Minimum

Deep Fryer

Counter Top / Table

Partition

Above Counter Top:

Single Oven = 17.0” (432 mm)

Double Stack = 30.0” (762 mm)

Triple Stack = 43.0” (1092 mm)

F

igure 7: Installation Near Open Heat Source

Cleaning - Daily and Weekly

CLEANING

5

= Wash, rinse, sanitize. (Use only TurboChef-

approved cleaner, part number 103180).

= Completely dry with clean towel.

IDLE

BACK

OFF

E

M

E

R

G

E

N

C

Y

S

T

O

P

High h Conveyor

by TurboC hef

TM

IDLE

BACK

OFF

E

M

E

R

G

E

N

C

Y

S

T

O

P

High h Conveyor

by TurboC hef

TM

IDLE

BACK

OFF

E

M

E

R

G

E

N

C

Y

S

T

O

P

High h Conveyor

by TurboC hef

TM

COOKING

BELT

10:00

BREAKFAST

TOP AIR 80%

BTM AIR 80%

SET

475F

COOLING DOWN

LUNCH

BREAKFAST PIZZA

WINGS

OVEN OFF

LUNCH

BREAKFAST PIZZA

WINGS

1

Daily Cleaning Instructions

2

3

4

5

6

7

8

WARNING: Always disconnect power before cleaning or servicing the oven.

WARNING: DO NOT attempt to clean the oven until it has cooled (screen reads “Oven Off ”).

W

ARNING: DO NOT use a water jet when cleaning the oven.

6 CLEANING

WARNING: Always disconnect power before cleaning or servicing the oven.

IDLE

BACK

OFF

E

M

E

R

G

E

N

C

Y

S

T

O

P

High h Conveyor

by TurboC hef

TM

IDLE

BACK

OFF

E

M

E

R

G

E

N

C

Y

S

T

O

P

High h Conveyor

by TurboC hef

TM

IDLE

BACK

OFF

E

M

E

R

G

E

N

C

Y

S

T

O

P

High h Conveyor

by TurboC hef

TM

COOKING

BELT

10:00

BREAKFAST

TOP AIR 80%

BTM AIR 80%

SET

475F

COOLING DOWN

LUNCH

BREAKFAST PIZZA

WINGS

OVEN OFF

LUNCH

BREAKFAST PIZZA

WINGS

1.

2.

Step 1: Turn the Oven O

2.

1.

3.

5.

4.

Step 2: Remove Outer Oven

Components

WARNING: DO NOT attempt to clean the oven until it has cooled (screen reads “Oven Off ”).

WARNING: DO NOT use a water jet when cleaning the oven.

Weekly Cleaning Instructions

=

W

ash, rinse, sanitize. (Use only

TurboChef-approved cleaner, part

number 103180).

= Completely dry with clean towel.

*

Note: The front hatch of a stacked oven will contact the oven beneath it, preventing it from opening

all the way

. To access interior components of a stacked oven, the hatch must be entirely removed.

*

CLEANING

7

1.

2.

3.

4.

5.

Step 3: Remove Inner Oven

Components

1

2

1

2

11

2.

4.

Step 4: Clean Oven Components

1.

3.

5.

6.

7.

Replace lters if damaged or torn.

8

1.

2.

3.

4.

Step 5: Replace Oven Components

1

22

1

2

6.

7.

8.

9.

5.

Latch

Step 7: Ready the Oven for Use

1.

2.

Step 6: Verify Chain Tension

Acceptable - Chain (A) is tight and

easily clears crumb tray holder (B)

A

B

Call service to have link removed - Chain (A) is

loose and risks contact with crumb tray holder (B)

A

B

See detail below.

Step 5: Reinstall Oven Components

CLEANING

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