Groen CC-E Operation Manual
IMPORTANT INFORMATION
IMPORTANT INFORMATION KEEP FOR OPERATOR
IMPORTANT INFORMATION IMPORTANT INFORMATION
KEEP FOR OPERATOR IMPORTANT INFORMATION
KEEP FOR OPERATOR KEEP FOR OPERATOR
IMPORTANT INFORMATION
IMPORTANT INFORMATION IMPORTANT INFORMATION
E-CC-MOLAUNAM ROTAREPO
Part Number 121015 Rev. A DOMESTIC
MODEL: CC-E
CONVECTION COMBO™
Combination Steamer-Oven
CC10-E
CC20-EF
THIS MANUAL MUST BE RETAINED FOR FUTURE REFERENCE. READ,
UNDERSTAND AND FOLLOW THE INSTRUCTIONS AND WARNINGS
CONTAINED IN THIS MANUAL.
FOR YOUR SAFETY
DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS AND
LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE
.
Information contained in this document is
known to be current and accurate at the time
of printing/creation. Unified Brands recommends referencing our product line websites,
unifiedbrands.net, for the most updated
product information and specifications.
OM-CC-E
IMPORTANT — READ FIRST — IMPORTANT
WARNING:
CAUT ION: SHIPPING ST RAPS ARE UNDER T ENSION AND CAN SNAP BACK WHEN CUT .
CAUT ION:
CAUT ION:
WARNING: TO AVOID DAMAGE OR INJURY, FOLL OW T HE WIRING DIAGRAM EXACT LY WHEN
CAUT ION:
WARNING:
WARNING:
IM PORTANT:
IM PORTANT:
WARNING:
THE UNIT MUST BE INST ALLED BY PERSONNEL QUALIFIED TO WORK WITH ELECTRICITY
AND PLUM BING. IM PROPER INST ALLAT ION CAN CAUSE INJURY T O PERSONNEL AND/OR
DAMAGE TO THE EQUIPMENT. THE UNIT MUST BE INSTALLED IN ACCORDANCE WITH
APPLICABLE CODES.
DO NOT INSTAL L T HE UNIT IN ANY WAY WHICH WILL BLOCK T HE RIGHT SIDE VENT S,
OR WITHIN 12 INCHES OF A HEAT SOURCE SUCH AS A BRAISING PAN, DEEP FRYER,
CHAR BROILER OR KET T LE.
LEVEL THE UNIT FRONT TO BACK, OR PITCH IT SLIGHTLY TO THE REAR, TO AVOID
DRAINAGE PROBLEM S.
CONNECTING A UNIT .
DO NOT USE PLAST IC PIPE. DRAIN MUST BE RATED FOR BOILING WAT ER.
DO NOT CONNECT T HE DRAIN DIRECTLY T O A BUILDING DRAIN.
BLOCKING THE DRAIN IS HAZARDOUS.
Improper drain connection will void warranty.
Do not allow any water traps in the line. A trap can cause pressure to build up inside the
cavity during steaming, which will make the door gasket leak.
WHEN YOU OPEN THE DOOR, STAY AWAY FROM STEAM COMING OUT OF THE UNIT.
ST EAM CAN CAUSE BURNS.
WARNING: BEFORE CL EANING THE OUTSIDE OF THE ST EAMER, DISCONNECT THE ELECTRIC POWER
SUPPLY. KEEP WATER AND CLEANING SOLUTIONS OUT OF CONTROLS AND ELECTRICAL
COMPONENTS. NEVER HOSE OR STEAM CLEAN ANY PART OF THE UNIT.
WARNING:
WARNING:
WARNING:
WARNING: DO NOT PUT HANDS OR T OOLS INT O T HE COOKING CHAM BER UNTIL T HE FAN HAS
WARNING:
NOT ICE:
NOT ICE:
WARNING:
ALLOW COOKING CHAMBER T O COOL BEFORE CLEANING.
CAREFULLY READ T HE WARNINGS AND FOLLOW T HE DIRECTIONS ON THE LABEL OF EACH
CLEANING AGENT.
DELIM ING AGENT M ANUFACT URER.
DO NOT MIX DE-LIMING AGENT S (ACID) AND DE-GRE ASERS (ALKALI).
STOPPED TURNING.
DO NOT OPERATE THE UNIT UNLESS THE REMOVABLE RIGHT SIDE PANEL HAS BEEN
RET URNED T O IT S PROPER L OCATION.
DO NOT USE A CLEANING OR DE -LIMING AGENT THAT CONT AINS ANY SUL FAM IC ACID
OR ANY CHLORIDE, INCLUDING HYDROCHLORIC ACID. IF THE CHLORIDE CONT ENT OF
ANY PRODUCT IS UNCLEAR, CONSULT T HE MANUFACT URER.
DO NOT USE ANY DE-GREASE R THAT CONT AINS POTASSIUM HYDROXIDE OR SODIUM
HYDROXIDE OR THAT IS ALKALINE.
USE OF ANY REP LACEM ENT PARTS OT HER THAN T HOSE SUPPLIE D BY GROEN OR THEIR
AUTHORIZED DIST RIBUTOR VOIDS ALL WARRANTIES AND CAN RESULT IN BODILY INJURY
TO T HE OPERATOR AND DAMAGE T HE EQUIPMENT . SERVICE BY OTHER T HAN FACTORYAUTHORIZED PERSONNEL WILL VOID ALL WARRANTIES .
USE SAFETY GLASSES AND RUBBER GLOVES AS RECOMMENDED BY
WARNING:
HIGH VOLTAGE EXIS TS INSIDE CONTROL COMPART MENT S. DISCONNECT FROM BRANCH
BEFORE SERVICING. FAILURE TO DO SO CAN RESULT IN SERIOUS INJURY OR DEATH.
2
Table of Contents
OM-CC-E
OPERATOR WARNINGS
REFERENCES ..........................................................3
EQUIPMENT DESCRIPTION
INSPECTION AND UNPACKING
WATER CONDITIONING/REQUIREMENTS .....................................6
INSTALLATION AND START-UP INSTRUCTIONS
OPERATING INSTRUCTIONS
CLEANING ............................................................21
MAINTENANCE
TROUBLESHOOTING
SERVICE LOG..........................................................30
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2
4
5
7
13
24
25
WARRANTY PROTECTION
UNDERWRITERS LABORATORIES, INC.
333 Pfingsten Road
Northbrook, Illinois 60062
KLENZADE SALES CENTER
ECOLAB, Inc.
370 Wabasha
St. Paul, Minnesota 55102
800 328-3663 or 612 293-2233
................................................
31
References
NATIONAL FIRE PROTECTION
ASSOCIATION
60 Battery March Park
Quincy, Massachusetts 02269
NFPA/70 The National Electrical Code
NATIONAL SANITATION FOUNDATION
3475 Plymouth Road
Ann Arbor, Michigan 48106
3
OM-CC-E
Equipment Description
Your Groen Convection Combo™ has a stainless
steel cooking chamber, an air heating compartment
with electric heating elements and fan, a steam
generator with electric heating elements, and a
control compartment which houses other electrical
components.
All major components of the Convection Combo™
are encased in a 16 gauge stainless steel cabinet.
Glass fiber insulation, lines the cabinet at a thickness
of 1½ to 2 inches (4 to 5 cm). A removable drip tray
is located beneath the door.
Door hinges are reversible so that doors may open
from the left or right side. Operator controls are
located on the right side of the front panel.
Standard controls let you to operate the Convection
Combo in any one of three cooking modes:
1. As a convection oven
2. As a self-contained, pressureless steamer
3. As a c ombination oven-steamer
Models CC10-E and CC20-E differ in cooking
chamber size and capacity:
CC10-E: 4 steam table pans (12x20x2½”), or
7 half-size (13x18") US baking pans
CC20-E: 10 steam table pans (12x20x2½”), or
9 full-size (18x26") US baking pans
The smaller Convection Combo™ is available as a
table-top unit (the single CC10-E). These units are
also supplied on a stainless steel stand as models
CC10-EF and (2)CC10-EF. The larger Convection
Combo™ is always supplied with a stand as the
single CC20-EF or the double-stacked (2)CC20-EF.
The Convection Combo™ Family: 1. Model (2)CC20-EF (Full-sized double-stacked unit on rigid stand),
2. Model CC-20-EF (Full-sized single unit on a convenient stand), 3. Model (2)CC10-EF (Double-stacked,
stand-mounted, half-pan Combo, 4. Model CC10-EL single four inch leg-mounted. (Also available in
tabletop (CC10-E) and stand-mounted (CC10-EF) versions.
4
Inspection and Unpacking
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Your Convection Combo™ will be completely
assembled in a heavy shipping carton or wooden
crate, and attached to a skid. On receipt, inspect
the carton or crate carefully for exterior damage.
CAUT ION
SHIPPING ST RAPS ARE UNDER T ENSION AND
CAN SNAP BACK WHEN CUT.
Carefully cut the straps around the carton and detach
the sides of the carton from the skid. Pull the carton
up off the unit. Be careful to avoid personal injury or
equipment damage from staples which might be left in
the carton walls.
Water Conditioning
It is essential to supply the steam generator with
water that will not form scale. Even though the
steam generator is engineered to minimize scale
formation, scale development depends on the
hardness of your water and the number of hours you
operate the equipment.
In some areas, water is low enough in mineral
content to avoid scale formation. But most water
supplies are full of minerals which form scale. It is
this scale which could lead to an early component
failure.
Your water utility can tell you about the minerals in
your water. The water going to the steam generator
should have between 30 and 40 parts per million
(ppm) total dissolved solids (TDS) and should have a
pH (acidity rating) of 7.0 to 9.0. Please follow these
simple precautions:
Do not rely on unproven water treatments
1.
which are sold for scale prevention or scale
removal. They don’t always work. The best
way to prevent scale is to supply the purest
possible water (30 -40 ppm TDS).
Write down the model number, serial number and
installation date and keep this information for future
reference. Space for these entries is provided at the
top of the Service Log in the back of this manual.
CAUT ION
THIS UNIT IS VERY HEAVY. YOU SHOULD GET
HELP AS NEEDED TO LIFT T HIS WEIGHT
SAFELY.
When starting installation, lift the unit straight up off
the skid. Check packing materials to make sure
loose parts are not discarded with the material.
softener will provide longer generator life, higher
steam capacity, and reduce maintenance
requirements.
If you notice a slowdown in steam production,
3.
have the unit checked for scale build-up. Heavy
scale reduces the unit’s ability to boil water, and
can even cause heating elements in the steam
generator to overheat and burn out.
MINIMIZE SCALE PROBLEM S, BY USING AND
MAINTAINING A SOFT ENER, AND BY CLEANING
THE STEAM GENERATOR REGULARL Y.
Groen Convection Combo™ ovens are also available
with an option for two separate water connections —
one for the steam generator (soft water), the other
for the spray condenser (untreated water). The
steam generator only uses 14 to 31% of a
combination oven’s water.
Since softener systems are typically sized by total
GPH (gallons per hour), the second connection could
reduce treatment requirements by up to 80%,
resulting in significant savings.
2. If your water contains scale-forming minerals, as
most water does, use a well-maintained water
softener. Whether an exchangeable softener
cartridge or a regenerating system is chosen, a
regular exchange schedule is essential.
Installing a water meter between the softener and
the steamer will provide an accurate gauge of water
use, and will help determine when to exchange
cartridges or regenerate the softener. Using a water
5
OM-CC-E
Installation and Start-Up
WARNING
THE UNIT MUST BE INST ALLED BY PERS ONNEL WHO ARE QUALIFIED T O WORK WIT H ELECTRICITY AND
PLUM BING. IMPROPER INSTALLATION CAN CAUSE INJURY TO PERSONNEL AND/OR DAMAGE TO THE
EQUIPMENT. THE UNIT MUST BE INSTALLED IN ACCORDANCE WITH APPLICABLE CODES.
CAUT ION
DO NOT INSTALL THE UNIT WITH THE RIGHT SIDE VENTS BLOCKED OR WITHIN 12 INCHES OF A HEAT
SOURCE (SUCH AS A BRAISING PAN, DEEP FRYER, CHAR BROILER OR KET TLE). DO NOT INSTAL L T O
THE LEFT OF ANY OPEN-FLAME EQUIPMENT.
TO AVOID DRAINAGE PROBLEMS, LEVEL THE UNIT FRONT TO BACK.
A.MODEL CC10-E
Terminal block
1. Mounting
d.
If you wish to install a Convection Combo™ on
top of another, you should obtain a double
stacked unit from the factory.
If the unit does not have a factory-installed stand,
the installer must provide a table, stand or
counter which is strong enough to support the
unit. Use of casters is not recommended.
To avoid drainage problems, level the unit front
to rear, or provide a slight pitch to the rear.
Bolt the unit to the table, stand or counter top,
using the mounting holes in its base.
2. Electrical Supply Connections
Panel Removal
a.
The right side panel must be removed to gain
access to the wiring and control
compartment. Remove the two screws at
the bottom of the panel. Slide the panel
toward the front of the unit, lift it and set it
aside.
Supply Voltage
b.
The CC10-E must operate at the rated
nameplate voltage, plus or minus 10%.
Phase Select Plug (Units manufactured
c.
before 1996)
Locate the phase select plug assembly on
the wiring harness from the relay board.
This assembly is black, blue and red. Refer
to the labels located below the motor and
above the distribution block for the correct
phase connection.
The terminal block for incoming power is
located at the back of the control
compartment.
WARNING
WHEN CONNE CT ING FOR SINGLE PHASE
OPERAT ION, DO NOT CONNECT ANY WIRE TO
LINE 3 (T HE TERMINAL FART HEST LEFT ). T HIS
WILL CAUSE A SHORT CIRCUIT .
The ground terminal is found on the relay
bracket below the terminal block. The
Convection Combo™ must have a separate
ground wire for safe operation. The ground
wire must be at least 10 AWG (2.6 mm).
e. Supply Wire
The type of wire needed is determined by
finding the operating voltage and phase from
the unit’s back data plate and (on pre-1996
models) phase select connector. Refer to
the “Electrical Supply Connection” label on
the back of the unit for correct wire size and
insulation temperature rating.
The specified wire must be used to comply
with Underwriters Laboratories and National
Electric Code requirements.
The knockout hole is sized for a ¾ inch (19
mm) conduit fitting.
6
CC10-E ELECTRICAL SUPPLY CONNECTION
(All wires copper only.
Reference: National Electrical Code)
4. Drain Connection
CC10-E Without Drain Tank (tabletop model)
a.
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Voltage Phase Wire Size Insulation
208 1 6AWG (4.1mm) 75oC
208 1 8AWG (3.3mm) 90oC
208 3 8AWG (3.3mm) 75oC
240 1 8AWG (3.3mm) 75oC
240 3 8AWG (3.3mm) 75oC
Branch Circuit Protection
f.
Groen strongly recommends that each
Convection Combo™ have its own branch
circuit protection. A double stacked unit should
have separate protection for the upper and
lower steamer-ovens.
CURRENT DEM AND
Voltage Current Power
1 Phase 3 Ph., per Line
208 44.7 A 27.5 A 9.3 KW
240 38.8 A 24.1 A 9.3 KW
Each current-carrying conductor must have
overcurrent protection. Refer to the label on
the back of the unit for proper wire size and
type. Watertight connections are required.
3. Water Supply Connection
A check valve (back siphonage device) must be
installed in the incoming cold water line in keeping
with local plumbing codes. Water line pressure
should be between 30 and 60 PSI (210 and 410
kPa). A pressure regulator is required above 60
PSI (410 kPa).
A ¾ inch (19 mm) NH (garden hose type)
connector is required to connect the water supply
to the water inlet valve. The water feed line
diameter may not be less that ½ inch (13 mm).
Use a washer (or if necessary, two washers) in the
hose connection. Do not allow the co nnection to
have any le ak, no matter how small.
A 1½ inch (4 cm) hose may be attached to the
provided drain elbow with a clamp. Do not use
plastic pipe. The drain must withstand boiling
water.
WARNING:
DO NOT CONNECT T HE DRAIN DIRECTLY T O A
BUILDING DRAIN.
There must be a free air gap between the end
of the hose and the building drain. The free air
gap should be as close as possible to the unit’s
drain. There must also be no other elbows or
othe r res trictions between the unit drain and the
two inch free air gap.
CAUT ION
DO NOT USE PLASTIC PIPE. DRAIN MUST BE
RATED FOR B OIL ING WAT ER.
WARNING
BLOCKING THE DRAIN IS HAZARDOUS.
Ins tall the drain line with a constant downward
pitch.
IMPORTANT: Do not allow any water traps in the
line. A trap can cause pressure to build up inside
the cavity during steaming, which will make the
door gasket leak.
NOT E: Improper drain connection will void the warranty.
b. CC10-E With Drain Tank
A 1½ inch (4 cm) ID hose may be attached to
the supplied drain elbow with a clamp. The
hose may be connected directly to a building
drain since the drain tank has an air vent, which
eliminates the need for a free air gap at the
building drain. Do not block the air vent in any
way. Do not attach anything to the vent tube or
reduce its size.
Do NOT use plastic pipe in the drain line,
because the drain must withstand boiling water.
If your CC10-E is equipped with the optional split
water supply, the supply for each steam generator
must be able to fill the generator with 1½ gallons
(5.7 liters) or water in 1½ minutes. The make-up
water rate is 0.06 gallons per minute (0.2 liters per
minute). Condensate spray water rate is 0.34
gallons per minute (1.3 liters per minute) at 30 PSI
(210 kPa).
7
Drain Tank
Tabletop Model
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Proper Drain Line Connections
8
B.MODEL CC20-E
Mounting
1.
If you wish to install one Convection Combo™
above another, obtain a double-stacked unit from
the factory.
CAUT ION
DO NOT INSTAL L A CC20-E IN ANY LO CATION
WHERE RIGHT SIDE VENTS ARE BLOCKED, OR
WIT HIN 12 INC HE S OF A HEAT SOURCE SUCH
AS A BRAISING PAN, DEEP FRYER, CHAR
BROILER OR KETT LE.
DO NOT INSTALL THE UNIT TO THE LEFT OF
ANY OPEN FLAME EQUIPMENT.
OM-CC-E
breaker or 10 AWG (2.6 mm) for a 40 to 60
amp breaker.
d. Supply Wire
The type of wire needed is determined by
finding the operating voltage and phase from
the unit’s back data plate and phase select
connector. Refer to the “Electrical Supply
Connection” label on the back of the unit for
correct wire size and insulation temperature
rating.
The specified wire must be used to comply
with Underwriters Laboratories and National
Electric Code requirements.
To avoid drainage problems, level the unit frontto-rear, or provide a slight pitch to the rear.
WARNING
THE UNIT MUST BE INSTALLED BY
PERSONNEL QUALIFIED TO WORK WITH
ELECTRICITY AND PLUMBING. IMPROPER
INSTAL LATION CAN CAUSE INJURY TO
PERSONNEL AND/OR DAMAGE TO
EQUIPMENT.
CAUT ION
INSTALLAT ION MUST BE IN ACCORDANCE
WITH ALL APPLICABLE CODES.
Electrical Supply Connections
2.
a. Panel Removal
The right side panel must be removed to gain
access to the wiring and control
compartment. Remove the screw at the
back of the panel. Slide the panel toward
the front of the unit, lift it and set it aside.
b. Supply Voltage
The CC20-E must operate at the rated
nameplate voltage, plus or minus 10%.
c. Terminal block
The terminal block for incoming power is
located at the back of the control
compartment.
The knockout hole is sized for a one inch
(25.4 mm) conduit fitting.
CC20-E ELECTRICAL SUPPLY CONNECTION
(All wires copper only.
Reference: National Electrical Code)
o
Voltage
208 4 AWG (5.2 mm) 6 AWG (4.1 mm)
240 4 AWG (5.2 mm) 6 AWG (4.1 mm)
480 8 AWG (3.3 mm) 8 AWG (3.3 mm)
e. Branch Circuit Protection
Voltage
Size for 75
(T HWN)
Groen strongly recommends that each
Convection Combo™ have its own branch
circuit protection. A double stacked unit
should have separate protection for the
upper and lower steamer-ovens.
CURRENT DEM AND
208 65.4 A 21 KW
240 56.7 A 21 KW
480 28.3 A 21 KW
Each current-carrying conductor must have
overcurrent protection. Refer to the label on
the back of the unit for proper wire size and
type. Watertight connections are required.
C
Current per line
(Three Phase)
Size for 90oC (THHN)
Power
The ground terminal is found below the
terminal block. The Convection Combo™
must have a separate ground wire for safe
operation. The ground wire must be at least
8 AWG (3.3 mm) for a 100 amp circuit
Water Supply Connection
3.
A check valve (back siphonage device) must be
installed in the incoming cold water line in
keeping with local plumbing codes. Water line
pressure should be between 30 and 60 PSI (210
9
OM-CC-E
and 410 kPa). A pressure regulator is required
above 60 PSI (410 kPa).
A ¾ inch (19 mm) NH (garden hose type)
connector is required to connect the water supply
to the water inlet valve. The water feed line
diameter may not be less that ½ inch (13 mm).
Use a washer (or if necessary, two washers) in
the ho se connection. Do not allow the
connection to have any leak, no matter how
small.
Drain Connection
4.
CAUT ION
DO NOT USE PLAST IC PIPE. DRAIN MUST BE
RATED FOR B OIL ING WAT ER.
WARNING
BLOCKING THE DRAIN IS HAZARDOUS.
IMPORTANT: Do not allow any water traps in the
line. A trap can cause pressure to build up
inside the cavity during steaming, which will
make the door gasket leak.
NOT E: Improper drain connection will void the
warranty.
CC20-E With Drain Tank
A two inch (51 cm) ID hose may be attached to
the supplied drain elbow with a clamp. The hose
may be connected directly to a building drain
since the drain tank has an air vent, which
eliminates the need for a free air gap at the
building drain.
Do not block the air vent in any way. Do not
attach anything to the vent or reduce its size.
Do NOT use plastic pipe in the drain line,
because the drain must withstand boiling water.
10
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