Alto Shaam 10.18EC Installation Manual

#6004/18 • 1/02

PRINTED IN U.S .A .

W164 N9221 Water Street ●P.O. Box 450 ●Menomonee Falls, Wisconsin 53052-0450 ●U.S.A.

PHONE: [phone] [phone] U .S. A./CANADA●FAX : [phone] [phone] U. S.A ./CANADA

●

www.alto-shaam.com

COMBITHERM

COMBINATION OVEN/STEAMER

INSTALLATION

and

MAINTENANCE

ELECTRIC MODELS

7•14, 10•18EC & 20•20EC

ELECTRONIC CONTROL

®

®

Installation

Transportation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Installation Site . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Electrical Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Water Drainage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Water Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Installation Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Installation Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Installation Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Accessories / Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Safety and Operational Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Control Description

Control Panel Operating Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Fahrenheit or Celsius Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Oven Start Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Cooking Programs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Cool Down Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Programmable Menu (DELUXE MODEL OPTION). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Cleaning and Maintenance

Daily Gasket Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Probe Usage & Cleaning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Oven Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Steam Generator Flush / Back-Flush . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Decalcification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Preventive Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Trouble Shooting Checklist

Water Trouble . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Steam Generator Trouble. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Motor Trouble . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Condenser Trouble . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Convection Trouble . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

General Trouble. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Service and Parts

Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Rack Management Parts List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

7•14 Basic System Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

7•14 Wiring Schematic / Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

10•18EC Basic System Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

10•18EC Wiring Schematic / Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

20•20EC Basic System Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

20•20EC Wiring Schematic / Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Transportation Damage and Claims
Limited Warranty

COMBITHERM INSTALLATION AND MAINTENANCE MANUAL #6004/18

COMBITHERM® INSTALLATION and MAINTENANCE

TRANSPORTATION

Upon receipt of the Combitherm Combination Oven­Steamer, check the exterior of the shipping crate for any
physical damage that could result in damage to the
contents. If the oven was not received from the carrier in
an upright position, there is a stronger possibility of
concealed damage. Uncrate the unit carefully and inspect
for any transit damage. Immediately report any damage to
the delivering freight carrier.

The oven must remain on the pallet while being moved to
the installation site by fork-lift or pallet lift truck.

When removing the oven from the pallet to the

installation site, DO NOT LIFT at the condenser

housing. Care should also be used to prevent

damage to the drip-tray hanger permanently

mounted at the bottom of the oven door.

INSTALLATION SITE

HOOD INSTALLATION IS REQUIRED

In order to ensure proper ventilation, a minimum distance
of at least 6” (152mm) must be kept from the control panel
side [left] of the oven and any adjoining surfaces. In
addition to ventilation requirements, additional clearance
is needed for service access. A minimum distance of
18-inches (457mm) is strongly recommended.

Allow a minimum of 4” (102mm) from the right side of the
oven to allow the door to open to at least a 90° angle.
Fully opened, the door will extend up to a 225° angle. If
the oven is furnished with the retractable door option,
allow a minimum clearance of 6-1/2” (16cm).

Allow a minimum clearance of 4” (102mm) from the back
of the oven for plumbing connections.

Allow adequate clearance for the steam vent(s) located at
the top [right-rear] of the oven.

Do not install the oven adjacent to heat producing
equipment such as fryers, broilers, etc. Minimum
clearance recommended: 20” (50cm).

Place the Combitherm Oven on a stable, LEVEL horizontal

surface. For counter-top models, the oven stand must be
level. In addition, the overall height of the oven should
be positioned so the operating controls and shelves may be
conveniently reached from the front. Counter-top
installations must maintain 4" (102mm) minimum
clearance from surface by means of a Leg Extension
Assembly.

ALL INSTALLATION INSTRUCTIONS AND

REQUIREMENTS MUST BE STRICTLY OBSERVED.

IMPROPER CONNECTION OF THIS APPLIANCE

NULLIFIES ALL WARRANTIES.

COMBITHERM INSTALLATION AND MAINTENANCE MANUAL #6004/18

PG. 1

COMBITHERM® INSTALLATION and SPECIFICATIONS

18-inches (457mm) STRONGLY

recommended for service access

TRANSPORTATION

➞

THIS S IDE UP

COMBITHERM

➞

INSTALLATION SITE

(102mm)

6"

(152mm)

MINIMUM

ALLOW ADDITIONAL

ACCESS FOR SERVICE

20"

(50cm)

MINIMUM

COMBITHERM®

OFF

POWER

ON

4"

o

o

FOLLOWING ELECTRICAL CONNECTION,

THE FAN MUST ROTATE IN THE SAME

DIRECTION AS THE ARROW

LOCATED ON THE OVEN FAN

MOTOR.

THIS APPLIANCE WILL NOT FUNCTION
PROPERLY AND DAMAGE CAN OCCUR IF
THE MOTOR ROTATION IS NOT CORRECT.

COMBITHERM® INSTALLATION and SPECIFICATIONS

ELECTRICAL INSTALLATION

An electrical wiring diagram is located behind
the control panel on the left side of the oven.
The oven must be installed by a qualified
electrician. This appliance must be branch
circuit protected with proper ampacities, in
accordance with the wiring diagram located in
the electrical compartment of the oven. The
oven must be properly grounded in accordance
with the National Electrical Code and
applicable local codes.

CAUTION

ENSURE THE AVAILABLE

POWER SOURCE MATCHES

THE VOLTAGE STAMPED

ON THE NAMEPLATE OF

THE OVEN.

Wire size posted for the main incoming power
to the unit must match the minimum size listed
in the specifications applicable to the specific
oven model. For supply connections, locate the
wire size posted on the label located on the
electrical control box cover, behind the service
panel or elsewhere listed in this manual.

When connecting to a Delta-B (wild leg) on a 3­phase system, the wild leg must be connect to
line 3.

Before operating the oven, check all cable
connections in the electrical connection area for
tightness since connections can loosen during
transport.

TO CHANGE MOTOR DIRECTION, EXCHANGE

TWO OF THE INCOMING PHASES.

COMBITHERM INSTALLATION AND MAINTENANCE MANUAL #6004/18

PG. 2

ELECTRICAL INSTALLATION

ELECTRICAL

PANEL

ELECTRICAL

CONNECTION

TERMINAL

BLOCK

ELECTRICAL

PANEL

MOTOR

COMBITHERM INSTALLATION AND MAINTENANCE MANUAL #6004/18

PG. 3

COMBITHERM® INSTALLATION and SPECIFICATIONS

WATER DRAINAGE

The oven must discharge through an indirect waste
pipe by means of an air gap. The drain thread is
1-1/4" NPT.

A union is required. Install a 1-1/4" (32mm)
diameter drain line. The drain line must always be a
positive gradient away from the Combitherm oven
and not more than 12" (305mm) before an air gap.

ATTENTION: In the U.S.A., this equipment is to be
installed to comply with the Basic Plumbing Code of
the Building Officials and Code Administrators
International, Inc. [BOCA], and the Food Service
Sanitation Manual of the Food & Drug

Administration [FDA]

If several units are to be connected to one drain pipe,
the dimensions of the pipe must be sufficient to allow
an unobstructed water drain system.

WATER SUPPLY

CONNECT TO POTABLE ( DRINKABLE) COLD WATER ONLY

WATER PRESSURE REQUIREMENTS: MINIMUM 45 PSI (3 BAR)

MAXIMUM 75 PSI (5 BAR)

Flush the water line at the installation site before connecting the oven to the water supply. A shut-off valve

and approved back-flow preventer must be installed when connecting the oven to the cold water intake. The

water supply line must be a minimum of 3/4-inch (19mm). A hose connector (

HO-22116) is supplied for

flexible hose connection to the cold water source. A water filtration system is recommended if the water

supply is between 7 and 9 grains of hardness. If water tests over 14 grains of hardness, the installation of a

water softener is stronly recommended.

PIPE SEALING TAPE (TEFLON®) MUST BE USED AT ALL CONNECTION POINTS.

The use of a pipe sealing compound is not recommended.

THE SHUT-OFF VALVE MUST BE IN THE OPEN POSITION WHEN THE OVEN IS BEING USED.

After both water and electrical connections have been completed,
operate the oven in any cooking mode for a period of 15 minutes
and recheck the main power connections at the terminal block
to make certain they remain tight.

WATER DRAINAGE

1-1/4" (32mm) diameter NPT

Drain fittings

to be supplied

by others

1-1/2" TO 2" minimum diameter

WASTE PIPE

(c. 38mm to 51mm)

DRAIN
LINE
SUPPLIED
WITH UNIT

PROVIDE AIR GAP

COMBITHERM INSTALLATION AND MAINTENANCE MANUAL #6004/18

PG. 4

COMBITHERM® INSTALLATION and SPECIFICATIONS

IMMEDIATELY FOLLOWING INSTALLATION:

BEFORE SWITCHING POWER SWITCH “ON”

✔ Make certain Power Switch is in the “OFF” position.

✔ Make certain all unnecessary articles are removed from the oven interior.

✔ Turn the water supply “ON” and make certain the connections do not leak.

✔ Flood the interior oven compartment floor with water from hand-held hose and check

to make certain the drain connections do not leak.

✔ Make certain the fan guard cover plate is in place and secure.

✔ Make certain the electrical connections are correct and sound.

IF ALL IS IN ORDER …

WITH DOOR CLOSED, TURN POWER SWITCH “ ON”

1. Press the STEAM program key to automatically fill the steam generator and heat the water to

stand-by mode temperature of 150°F (65° C).

●

The STEAM program LED light will illuminate.

●

The LOW-WATER LED light will illuminate and flash until the steam generator has been filled.

●

The STEAM LED light will illuminate and flash until the water temperature has reached the
stand-by mode temperature of 150°F (65°C).

●

When the STEAM LED light stops flashing, the oven is ready for immediate operation in the
STEAM mode or the selection of any other program mode.

2. Push SUPERHEATED STEAM AND CONVECTION program key. Press COOK TEMP

and use and to set the temperature to 250°F (120°C). Press and hold TIMER key for

continuous ON time until "–––" appears in the display .

Press START key to verify proper program operation.

●

The STEAM LED will illuminate periodically whenever the oven is producing steam.

●

The CONVECTION LED will illuminate periodically whenever the oven is producing convection heat.

●

The FAN LED will be illuminated throughout the entire cooking process.

Carefully open oven door, observing steam caution.

— Indicator lights for FAN and STEAM or CONVECTION should go “OUT.”

Close the door and press STOP key to end program check.

3. Push CONVECTION program key. Press COOK TEMP and use and to set the

temperature to 250°F (120°C). Press and hold TIMER key for continuous ON time until

"–––" appears in the display .

Press START key to verify proper program operation.

●

The CONVECTION LED will illuminate periodically whenever the oven is producing heat.

●

The FAN LED will be illuminated throughout the entire cooking process.

Carefully open oven door, observing steam caution.

— Indicator lights for FAN and CONVECTION should go “OUT.”

Close the door and press STOP key to end program check.

4. TURN POWER “OFF.”

THE OVEN IS NOW READY FOR NORMAL OPERATION.

For safe release of the cooking compartment steam,
initially open the door approximately 2" (50mm) only.
Stand behind the door as the hot steam is released.

STEAM!

START-UP

CHECK

LIST

✔

✔

✔

START

STOP

START

STOP

START

STOP

START

STOP

COMBITHERM INSTALLATION AND MAINTENANCE MANUAL #6004/18

PG. 5

COMBITHERM® INSTALLATION and SPECIFICATIONS

Model 7•14 10•18 20•20

Installation Data

Type of unit Counter-top Counter-top Floor Standing
Pan capacity 7 Full-size sheet pans* 10 Full-size sheet pans* 20 Full-size sheet pans*

(18" x 26" x 1") (18" x 26" x 1") (18" x 26" x 1")

*Additional wire shelves On wire shelves only On wire shelves only On wire shelves only
required for maximum capacity 14 Full-size pans 20 Full-size pans 40 Full-size pans

(20" x 12" x 2-1/2") (20" x 12" x 2-1/2") (20" x 12" x 2-1/2")
Side Rack spacing 2-5/8" (65mm) 2-5/8" (65mm) 2-5/8"
Net Weight 365 lb (166 kg) 514 lb (233 kg) 958 lb (435 kg)
Electrical specs

208/240V — 60 Hz, 1 ph At 208V At 240V Single Phase Not Available Single Phase Not Available

Power connection 13.9 kW 18.6 kW
Power convection 13.8 kW 18.3 kW
Power Steam 12.2 kW 17.5 kW
Motor Power 0.12 kW 0.3 kW
Current (Amps) 66.2 76.4

Terminal Block connection

2 Wire Plus Ground

AWG 3 or larger

208/240V — 60 Hz, 3 ph At 208V At 240V At 208V At 240V At 208V At 240V

Power connection 13.9 kW 18.6 kW 21.7 kW 28.9 kW 54.3 kW 72.4 kW
Current (Amps/phase) 38.2 44.1 60.3 69.6 150.9 174.4

Terminal Block connection

3 Wire Plus Ground 3 Wire Plus Ground 3 Wire Plus Ground

AWG 6 or larger AWG 2 or larger AWG 4 or larger

440/480V — 50/60 Hz, 3 ph At 440V At 480V At 440V At 480V At 440V At 480V

Power connection 15.3 kW 18.1 kW 30.3 kW 36.0 kW 60.8 kW 72.4 kW
Current (Amps/phase) 20.1 21.8 39.8 43.4 80.0 87.2

Terminal Block connection

3 Wire Plus Ground 3 Wire Plus Ground 3 Wire Plus Ground

AWG 6 or larger AWG 6 or larger AWG2 or larger

Noise Level 44 dB(A) 44 dB(A) 44 dB(A)
Construction Stainless Steel Type 304 Stainless Steel Type 304 Stainless Steel Type 304

Interior 20 gauge Interior 20 gauge Interior 20 gauge,

Exterior 20 gauge Exterior 20 gauge Exterior 20 gauge,

Hose length hand shower 86-5/8" (2200mm) 86-5/8" (2200mm) 86-5/8" (2200mm)
Cold water intake 3/4" NPT 3/4" NPT 3/4" NPT
Water pressure 45 to 75 psi 45 to 75 psi 45 to 75 psi

(3 to 5 bar) (3 to 5 bar) (3 to 5 bar)

Drain connection 1-1/4" NPT 1-1/4" NPT 1-1/4" NPT

COMBITHERM INSTALLATION AND MAINTENANCE MANUAL #6004/18

PG. 6

COMBITHERM® INSTALLATION and SPECIFICATIONS

Optional Recessed Door

Dimensions 7•14/10•18ec

L2 Width with door open 42-7/16" (1077mm)
M2 Depth with door open 67-7/16" (1712mm)
Y Unit width w/door open 73-9/16" (1868mm)
Z Protrudence forward 1-9/16" (40mm)

with door open

Dimensions 7•14 10•18ec 20•20ec

A Unit depth 40-3/16" (1020mm) 40-3/16" (1020mm) 45-7/16" (1153mm)
B Unit width 40-5/16" (1030mm) 40-5/16" (1030mm) 43-7/16" (1100mm)
C Unit height 32-1/2" (825mm) 44" (1118mm) 74-13/16" (1900mm)
D Electrical connection (E1) 4" (100mm) 4" (100mm) 4-5/16" 125mm)
E Electrical connection (E1) 13" (330mm) 13" (330mm) 9-13/16" (250mm)
F Drain (AW1) 24-7/16" (620mm) 24-7/16" (620mm) 31-1/2(800mm)
G Drain (AW1) 25/32" (20mm) 25/32" (20mm)
H Cold water con. (KW1) 2-3/8" (60mm) 2-3/8" (60mm) 3-15/16" (100mm)
I Cold water con. (KW1) 8-11/16" (220mm) 8-11/16" (220mm)
J Equipotential earth (E2) 6" (153mm) 6" (153mm)
K Equipotential earth (E2) 12-3/16" (310mm) 12-3/16" (310mm)
L Width with door open 43-5/8" (1108mm) 45-1/4" (1150mm) 47-11/16" (1211mm)
M Depth with door open 65-3/4" (1670mm) 66-3/8" (1685mm) 74-3/4" (1898mm)
N Foot position 9" (228mm) 9" (228mm)
O Foot position 25-19/32" (650mm) 25-19/32" (650mm)
P Foot position 3-11/16" (93mm) 3-11/16" (93mm)
Q Foot position 33-1/16" (840mm) 33-1/16" (840mm) 41" (1041mm)
R Diameter of footprint 1-9/16" (40mm) 1-9/16" (40mm)
S Oven chamber width 23-1/2" (596mm) 23-1/2" (596mm) 26-1/4" (667mm)
T Oven chamber depth 28-7/16" (722mm) 28-7/16" (722mm) 32-11/16" 830mm)
U Oven chamber height 20-5/16" (515mm) 31-13/16" (808mm) 60-1/4" (1530mm)
V Width hinge side 2-3/8" (60,5mm) 2-3/8" (60,5mm)
W Sill height 8-1/2" (216mm) 8-1/2" (216mm)
X Opening depth 1-13/16" (46mm) 1-13/16" (46mm)
Safety distance 4" (100mm) 4" (100mm) 4" (100mm)

(left, right, rear) minimum minimum minimum
Distance to another 20" (50cm) 20" (50cm) 20" (50cm)

heat source
Disappearing door free 6-5/16" (160mm) 6-5/16" (160mm)

space right-hand side

P

G

MINIMUM

CLEARANCE

100mm

B

F

H

D

J

KW1

K

E

E2

E1

AW1

L

OVEN CHAMBER

COMBITHERM

P

S

V

Q

R

MINIMUM

CLEARANCE

100mm

A

U

C

W

OVEN CHAMBER

T

M

A

KW1

I

N

O

X

B

F

H

D

J

KW1

K

E

E2

G

A

CLEARANCE

100mm

E1

90° angle

L2

Y

AW1

CLEARANCE

165mm

180° angle

OVEN CHAMBER

M

Z

COMBITHERM INSTALLATION AND MAINTENANCE MANUAL #6004/18

PG. 7

COMBITHERM® INSTALLATION and SPECIFICATIONS

Description 7•14 10•18 20•20

Chicken Roasting Rack
— 6 chicken capacity

(fits on full-size pan) SH-23000 SH-23000 SH-23000

— 8 chicken capacity

(fits on full-size pan) SH-23619 SH-23619 SH-23619

— 10 chicken capacity SH-22634 SH-22634 SH-22634
Grease Tray Package

(for use with roasting racks)

— 1-1/2" (57mm) deep 4758 4758 4758
— 2-3/4" (70mm) deep 14475 14475 14475

Leg Extension Assembly

(for counter-top placement) 15594 15594 N/A

Oven Cleaner CE-24750 CE-24750 CE-24750

Specially formulated for Combitherm Ovens
Twelve (12) containers/case, 1 quart. (c. 1 liter) each

Oven Stand

(wxdxh) 34-5/8" x 27-3/16" x 27-3/4"

(880mm x 690mm x 705mm)

— With Pan Shelf only 14342 14342 —
— With Pan Slides and Shelf 14343 14343 —
— Mobile With Pan Shelf only 14544 14544 —
— Mobile With Pan Slides and Shelf 14545 14545 —

Preheat Sealing Strip
—

For use in place of roll-in cart while preheating ——14568

Rack Management Trolley System

— Pan Rack Assembly 15639 15638 —
— Rack Track Assembly 14582 14582 —
— Base Trolley Assembly 15635 15635 —

Roll-In Cart
—

Interchangeable with 20•20W and QC-100 ——5815

Shelves, Stainless Steel Wire SH-22473 SH-22473 SH-22473
Stacking Hardware Kit

— 6•10 over 7•14 15813
— 7•14 over 7•14 15420
— 6•10 over 10•18 15835

Ventless Hood

(factory installation only) 15673 15681 —

Water Conditioner Kit

(includes 1 filter cartridge) FI-23014 FI-23014 FI-23014

Water Conditioner Cartridge

(1 filter cartridge) FI-23017 FI-23017 FI-23017

Safety and Operational
Precautions:

●

Before opening the oven door during normal operation, always press
the STOP key and wait a few seconds to allow the fan to stop rotating.

●

Before using the hand sprayer, wait until the cooking compartment
has cooled down to at least 130°F (54°C).

●

When using the hand sprayer, make certain the power switch is in the
OFF position.

●

Never use the oven cleaner or the hand sprayer to clean the outer
surface of the oven.

●

Flush the steam generator on a daily basis, clean the oven and oven
gasket on a daily basis.

●

To avoid unneccessary heat loss and the possibility of overheating the
convection heating elements,

NEVER preheat the model 20•20
without a roll-in cart (trolley) or a preheat sealing strip.
NEVER allow this model to remain in te stand-by mode for prolonged
periods

without a roll-in cart (trolley) or a preheat sealing strip.

Options and Accessories

Steam!!

For safe release of the cooking

compartment steam, initially open

the door approximately 2" (50mm)

only. Stand behind the door as

the hot steam is released.

COMBITHERM INSTALLATION AND MAINTENANCE MANUAL #6004/18

PG. 8

CONTROL PANEL OPERATING FUNCTION

2

5

6

7

8

9

10

11

12

14

15

22

20

17

INDICATOR LIGHTS

1. STEAM YELLOW:

Steam generator is activated. Indicator will

flash until steam generator is in the stand-by

mode with a water temperature of 150°F (65°C).

2. LOW WATER RED:

Flashes whenever the steam generator is in

the process of filling with a sufficient quantity

of cold water from water intake.

3. CONVECTION YELLOW:

Heating element for convection heat is activated.

4. FAN YELLOW:

Fan is activated.

PROGRAM FUNCTION

5. STEAM

●

Selection key and indicator light for
STEAM PROGRAM — 212°F (100°C).

●

Selection key for preheating the steam
generator.

●

Selection key for steam generator
“stand-by” function.

6. SUPERHEATED STEAM AND
CONVECTION
212° to 482°F (100° to 250°C)

Selection key and indicator light for
combination steam/convection — used
for roasting, braising, or baking. Steam
is automatically injected as required.

7. CONVECTION
86° to 482°F (30° to 250°C)

Selection key and indicator light for
convection heat only. Used for grilling,
roasting, or baking without steam.

8. BIO-STEAM
86° to 212°F (30° to 100°C)

Selection key and indicator light for
products which require a more gentle
steaming process.

9. RETHERM
212° to 482°F (100° to 250°C)

Selection key and indicator light for
rethermalizing (regenerating) plated meals.

10. DISPLAY

Three digit LED display indicates set
temperature, actual oven temperature,
cooking time, and program number
when oven is equipped with the
programmable menu.

11. COOK TEMP

Key to set oven cooking temperature
which can be indicated in degrees
Fahrenheit or degrees Celsius.

12. CORE TEMP
34° to 210°F (1° to 99°C)

Key used in any program mode to cook
by sensing the internal product probe
temperature.

13. TIMER — 1 to 199 minutes

Key used to set oven cooking time in
minutes.

14. DOWN ARROW

Key used to decrease the time or
temperature of a selected program
function.

15. UP ARROW

Key used to increase the time or
temperature of a selected program
function.

16. START/STOP

Key used to start or stop a selected
cooking program.

PROGRAMMABLE MENU

ON EQUIPPED MODELS

17. PRESET PROGRAM DISPLAY

Two digit LED display indicates number
of cooking steps when entering a
program menu and shows countdown
of the operational steps when operating
a program.

18. PRESET PROGRAM INDICATOR

Illuminates when entering or running a
program menu.

19. PRESET PROGRAM KEYS

Selection key for cook program number.

20. CLEANING KEY

Selection key for cleaning program.

21. ENTER KEY

Key to enter and recall cooking steps for
the programmable menu.

22. POWER SWITCH

Electric ON/OFF power switch includes
five positionsenabling the operator to
switch to any position while the oven is
operating in any program mode.

23. OFF
Power

OFF switch position.

24. FULL SPEED
Full fan speed position.

25. HALF SPEED
Reduced fan speed position

26. COOL DOWN
Switch position to allow fan to
remain operating with oven door
open to be used for rapid cool­down of oven cavity temperature.

27. DRAIN OPEN

Power switch position to open
steam generator drain.

1

3

4

13

16

18

19

21

23

27

24

25

26

COMBITHERM

DIST. BY ALTO-SHAAM® INC.

CONVECTION

AND CONVECTION

CONVECTION

BIO-STEAM

START

STOP

PROGRAM

ENTER

HALF

SPEED

Automatic

212° - 482°F
100° - 250°C

86° - 482°F
30° - 250°C

bio

86° - 212°F
30° - 100°C

R

212° - 482°F
100° - 250°C

COOK TEMP CORE TEMP TIMER

SUPERHEATED STEAM

34° - 210°F

1° - 99°C

2

56
89

OFF

COOL DOWN

POWER

1
4

7
0

DRAIN

OPEN

STEAM

FAN

STEAM

RETHERM

3

FULL

SPEED

®

COMBITHERM INSTALLATION AND MAINTENANCE MANUAL #6004/18

PG. 9

COMBITHERM® ELECTRONIC CONTROL OPERATION

Fahrenheit or Celsius Selection

 Turn Power Switch "OFF" and wait a minimum of two minutes.
 After two minutes, press the Temp Key, the Timer Key, and the

Start/Stop Key at

the same time.

 While pressing the three keys, turn the Power Switch to the Full Speed

position.

Release the three keys. The main display will indicate a service

program number such as

"S1."

 Press the Up and Down Arrow Keys to change the service program

number to

"S2."

 Press the Start/Stop Key when "S2" appears in the Main Display.
 Press the Up and Down Arrow Keys to select 0 (CELSIUS) or 1

(FAHRENHEIT).

 Press the Start/Stop Key to confirm the temperature scale selection.

The control is now set to operate in the temperature scale selected.

Note: Do not choose or change any service program other than "S2."
Changing any other factory setting could adversely affect oven performance.

Oven Start Up

Always begin daily operation of the combitherm with a clean oven.

 Turn Power Switch "ON" to desired position — full fan speed or

half fan speed. Buzzer will sound.

 Press Steam Program Key.
 Water needed light flashes until steam generator is filled.
 Steam LED light will flash until the water temperature has reached the

stand-by mode temperature of 150°F (65°C). When the light stops
flashing, the oven is ready to operate.

Cooking Programs

Standard cooking programs are steam, superheated steam and convection,
convection, Bio steam (optional) and retherm (optional).

Steam Program (212°F/100°C)

 Press Steam Program Key and indicator light will appear.
 Press Time Key. The main display will indicate last set time.
 To reset the time from the previous operation, press the Up and Down

Arrow Keys to change the value shown in the display

(1 to 199 minutes).

 Press the Start Key. The Fan LED will be illuminated throughout the

entire cooking process. The Steam indicator light will illuminate
periodically whenever the oven is producing steam. The Main display
will indicate time remaining. A buzzer will sound for one minute
signaling the end of the program.

Note: The buzzer can be turned off

immediately by pressing any program key.

OFF

DRAIN
OPEN

DRAIN
OPEN

COOL DOWN

OFF

COOL DOWN

SPEED

HALF

SPEED

SPEED

HALF

SPEED

FULL

START

STOP

FULL

START

STOP

START

STOP

DRAIN
OPEN

COOL DOWN

START

STOP

OFF

FULL

SPEED

HALF

SPEED

COMBITHERM INSTALLATION AND MAINTENANCE MANUAL #6004/18

PG. 10

COMBITHERM® ELECTRONIC CONTROL OPERATION

Cooking Programs (CONTINUED)

Superheated Steam and Convection Program
(212° to 482°F/100° to 250°C)

 Press Superheated Steam and Convection Program Key. The indicator

light will illuminate.

 Press Temperature Key. The main display will indicate the last set

cooking temperature.

 To reset the cook temperature from the previous operation, press the

Up and Down Arrow Keys to change the value shown in the display.

 Press the Time Key. The display will indicate the last set time.
 To reset the time from the previous operation, press the Up and Down

Arrow Keys to change the value shown in the display

(1 to 199 minutes).

 Press the Start Key. The Fan LED will be illuminated throughout the

entire cooking process. Steam indicator light will illuminate whenever
the oven is producing steam. The Convection indicator light will
illuminate whenever the oven is producing heat. Main display will
show time remaining. A buzzer signals the end of program.*

Convection Program (86° to 482°F/30° to 250°C)

 Press Convection Program Key and indicator light will appear.
 Press Temperature Key. The main display will indicate the last set

cooking temperature.

 To reset the cook temperature from the previous operation, press the

Up and Down Arrow Keys to change the value shown in the display.

 Press the Time Key. The display will indicate the last set time.
 To reset the time from the previous operation, press the Up and Down

Arrow Keys to change the value shown in the display

(1 to 199 minutes).

 Press the Start Key. Fan LED will be illuminated throughout the entire

cooking process. The Convection indicator light will illuminate
periodically whenever the oven is calling for heat. Main display will
indicate time remaining. A buzzer signals the end of program.*

Bio-Steam Program (86° to 212°F/30° to 100°C)

 Press Bio-Steam Program Key and indicator light will appear.
 Press Temperature Key. The main display will indicate the last set

cooking temperature.

 To reset the cook temperature from the previous operation, press the

Up and Down Arrow Keys to change the value shown in the display.

 Press the Time Key. The display will indicate the last set time.
 Change the set time by pressing the Up and Down Arrow Keys.
 Press the Start Key. Fan LED will be illuminated throughout the entire

cooking process. The Steam indicator light illuminates periodically
whenever the oven is producing steam. Main display will indicate
time remaining. A buzzer signals the end of program.*

*Note: The buzzer signaling the end of the program can be turned off

immediately by pressing any program key.

START

STOP

START

STOP

bio

START

STOP

COMBITHERM INSTALLATION AND MAINTENANCE MANUAL #6004/18

PG. 11

COMBITHERM® ELECTRONIC CONTROL OPERATION

Cooking Programs (CONTINUED)

Retherm Program (212° to 482°F/100° to 250°C)

 Press Retherm Program Key and indicator light will appear.
 Press Temperature Key. Last set cook temperature is displayed.
 To reset the cook temperature from the previous operation, press the

Up and Down Arrow Keys to change the value shown in the display.

 Press the Time Key. The display will indicate the last set time.
 Change the set time by pressing the Up and Down Arrow Keys.
 Press the Start Key. The Fan LED will be illuminated throughout the

entire cooking process. The Steam indicator light illuminates
periodically whenever the oven is producing steam. The Convection
indicator light illuminates whenever the oven is producing heat. The
Main display will indicate time remaining. A buzzer will sound for
one minute signaling the end of the program.

Cooking with Continuous Time

 Select cooking program desired.
 Press Temperature Key. Last set cook temperature is displayed.
 To reset the cook temperature from the previous operation, press the

Up and Down Arrow Keys to change the value shown in the display.

 Press and hold Timer Key for one (1) second until "---" is displayed.
 Press the Start/Stop Key to begin cooking.
 Press the Start/Stop Key to stop the cooking process when done.

To recall oven temperature while the oven is operating:

 Recall Set Temperature: Press Temperature Key.

The main display will indicate the set cook temperature for
three (3) seconds.

 Recall Actual Temperature: Press and hold the Temperature Key

for five (5) seconds. Display will then indicate the actual temperature
while you continue to press the temperature key.

To change set cook temperature while the oven is operating:

 The Main display will indicate time remaining.
 Press Temperature Key. The main display will indicate the set cook

temperature.

 To reset the cook temperature, press the Up and Down Arrow Keys to

change the value shown in the display.

To recall set time while the oven is operating:

 The Main display will indicate time remaining.
 Press Time Key. The main display will indicate the set time for three

(3) seconds.

To change set time while the oven is operating:

 The Main display will show time remaining.
 Change the remaining time by pressing the Up/Down Arrows.

R

START

STOP

R

bio

START

STOP

START

STOP

COMBITHERM INSTALLATION AND MAINTENANCE MANUAL #6004/18

PG. 12

COMBITHERM® ELECTRONIC CONTROL OPERATION

Cooking Programs (CONTINUED)

Core Temperature Program (34° to 210°F/ 1° to 99°C)

As an alternative to timer operation, this option can be used in any
program mode to cook by sensing internal product temperature. In any
program mode other than steam, it is necessary to preheat the oven for a
minimum of 5 minutes before loading product.

 Select cooking program desired.
 Press the Core Temperature Key. The display will indicate the last set

internal product temperature. If necessary, change the set core
temperature by pressing the Up/Down Arrows to change the value
shown in the display.

 Do not set the timer when using the core temp program for the

cooking function!

 Load product and insert product probe. The probe must be inserted

into the center of the product to assure an accurate temperature
reading. Only the tip of the probe measures internal product
temperature.

 Press Start Key. The display will briefly indicate the selected probe

cut-off temperature, immediately followed by the actual internal
product temperature. The Fan LED will be illuminated throughout
the entire cooking process. The Convection indicator light will
illuminate periodically whenever the oven is calling for heat. When
the set core temperature has been reached, a buzzer will sound for
one minute signaling the end of the program.

Note: The buzzer can

be turned off immediately by pressing any program key.

To recall set core temperature while the oven is operating:

 The Main display will display actual internal product temperature.
 Press and hold the Core Temperature Key. The main display will

indicate the set core temperature. When released, the display will
return to the actual internal product temperature.

Note: After using the core temperature mode, pressing the
timer key will allow you to use any other mode.

Cool Down Function

At times it may be necessary to quickly cool the oven cavity for a
temperature sensitive product.

 Turn the power switch to "Cool Down."
 Observing the steam caution, open the oven door approximately

5" (127mm) to let the hot air escape from the interior.

 After approximately two minutes, turn the power switch to full or

half speed, which will turn the fan off.

R

bio

START

STOP

DRAIN
OPEN

OFF

COOL DOWN

SPEED

HALF

SPEED

FULL

COMBITHERM INSTALLATION AND MAINTENANCE MANUAL #6004/18

PG. 13

COMBITHERM® ELECTRONIC CONTROL OPERATION

Programmable Menu (DELUXE MODEL OPTION)

Programming

 Begin programming with the oven with the power switch in the

"

OFF" position.

 Turn oven power switch "ON" to the full fan speed position. Two

flashing points will appear in the Main display and a buzzer will
sound.

 Simultaneously press and hold both the Up and Down Arrows for

a period of 5 seconds. P01 or the last program menu number
used will appear in the Main display. Program indicator light will
illuminate. You are now in the programming mode.

 Assign a number between 1 and 99 to the product to be

programmed and enter that number on the Program Keypad.
The number entered will appear in the Main display preceded by
the letter

"P." The Program display will indicate "0".

 Press the Program Enter Key.
 Press "1" to enter the first program cooking step. The Preset

Program display will indicate

"1".

 Select the cooking program desired (Steam, Superheated Steam

and Convection, Convection, Bio-Steam or Retherm).

 Press Temperature Key. Main Display will indicate the last set

cooking temperature or the fixed Steam Program temperature.

 Adjust the cook temperature by pressing the Up/Down Arrows.
 To cook by time — press the Timer Key. Main Display will

indicate the last set cooking time. Change the set time by pressing
the Up or Down Arrow Keys.

 To cook by internal product temperature — press the Core

Temperature Key. Main Display will indicate the last set internal
product temperature. If necessary, adjust the set internal product
temperature by pressing the Up/Down Arrows.

Press

"2" for the 2nd cooking step to continue entering additional cooking
steps in the program. Select the cooking program desired, temperature,
time or core temperature as instructed above. Continue this format to
add up to a total of five cooking steps.

 When the last cooking step has been entered, press and hold the

"

ENTER" key. Release the Enter Key when the beep sounds.

You may now enter another numbered preset program by selecting that
Numbered Preset Program Key and repeat the instructions above. You
may enter up to 99 individual product cooking programs.

When programming has been completed, press and hold the Start Key
for two (2) seconds. Menu Program Indicator Light will no longer be
illuminated. Two (2) flashing points will again appear in the Main
display. You have now exited the program mode.

Note: After programming a specific product into memory in the
Programmable Menu, it is very important to make a permanent record of
the product and the program number assigned.

Cook by

time

— or —

Cook by

core

temp.

DRAIN
OPEN

ENTER

OFF

COOL DOWN

1

1

SPEED

HALF

SPEED

FULL

R

bio

ENTER

START

STOP