Groen CC10-GF Installation 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
G-CC-MOLAUNAM ROTAREPO
Part Number 121020 - Rev. A DOMESTIC
MODEL: CC10-GF, (2)CC10-GF
CC20-GF, (2)CC20-GF
CONVECTION COMBO™
Combination Steamer-
Oven
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.
POST IN A PROMINENT LOCATION
INSTRUCTIONS TO BE FOLLOWED IN THE EVENT USER SMELLS GAS.
THIS INFORMATION SHALL BE OBTAINED BY CONSULTING YOUR LOCAL
GAS SUPPLIER. AS A MINIMUM, TURN OFF THE GAS AND CALL YOUR
GAS COMPANY AND YOUR AUTHORIZED SERVICE AGENT. EVACUATE
ALL PERSONNEL FROM THE AREA.
WARNING: IMPROPER INSTALLATION, ADJUSTMENT, ALTERATION,
SERVICE OR MAINTENANCE CAN CAUSE PROPERTY DAMAGE, INJURY
OR DEATH. READ THE INSTALLATION, OPERATING AND MAINTENANCE
INSTRUCTIONS THOROUGHLY BEFORE INSTALLING OR SERVICING THIS
EQUIPMENT.
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-G
IMPORT ANT — READ FIRST — IMPORTANT
WARNING:
CAUTION: SHIPPING STRAPS ARE UNDER TENSION AND CAN SNAP BACK WHEN CUT.
CAUTION:
CAUTION:
WARNING: TO AVOID DAMAGE OR INJURY, FOLLOW THE WIRING DIAGRAM EXACTLY WHEN
CAUTION:
WARNING:
WARNING:
IMPORTANT:
IMPORTANT:
WARNING:
THE UNIT MUST BE INSTALLED BY PERSONNEL QUALIFIED TO WORK WITH ELECTRICITY
AND PLUMBING. IMPROPER INSTALLATION CAN CAUSE INJURY TO PERSONNEL AND/OR
DAMAGE TO THE EQU IPMENT. THE UNIT MUST BE INSTALLED IN ACCORDANC E WITH
APPLICABLE CODES.
DO NOT INSTALL THE UNIT IN ANY WAY WHICH WILL BLOCK THE RIGHT SIDE VENTS,
OR WITHIN 12 INCHES OF A HEAT SOURCE SUCH AS A BRAISING PAN, FRYER, CHAR
BROI LER OR KETTLE.
LEVEL THE UNIT FRO NT TO BA CK, OR PITCH IT SLIGH TLY TO THE REAR, TO A VOID
DRAINAGE PROBLEMS.
CONNECTING A UNIT.
DO NOT USE PLASTIC PIPE. DRAIN MUST BE RATED FOR BOILING WATER.
DO NOT CONNECT THE DRAIN DIRECTLY TO A BUILDING DRAIN.
BLOCKING THE DRAIN IS HAZARDOUS.
Improper drain connection will void warranty.
Do not al low any water traps in the li ne. A trap can cause pressure to build up insi de the
cavit y during steaming, which will make the door gasket leak.
WHEN YOU OPEN THE DOOR, STAY AWAY FROM STEAM COMING OU T OF THE UNIT.
STEAM CAN CAUSE BURNS.
WARNING: BEFORE CLEANING THE OUTSIDE OF THE STEAMER, DISCONNECT THE ELECTRIC POWER
SUPPLY. KEEP WATER AND CLEANIN G SOLUTION S OUT OF CONTROLS AND ELECTRICAL
COMPONEN TS. NEVER HOSE OR STEAM CLEAN ANY PART OF TH E UNIT.
WARNING:
WARNING:
WARNING:
WARNING: DO NOT PUT HANDS OR TOOLS INTO THE COOKING CHAMBER UNTIL THE FAN HAS
WARNING:
NOTICE:
NOTICE:
WARNING:
ALLOW COOKING CHAMBER TO COOL BEFORE CLEANING.
CAREFULLY READ THE WARNINGS AND FOLLOW THE DIRECTIONS ON THE LABEL OF EACH
CLEANING AGENT.
DELIMING AGENT MANUFACTURER.
DO NOT MIX DE-LIMING AGENTS (ACID) AND DE-GREASERS (ALKALI).
STOPPED TURNING.
DO NOT OPER ATE TH E UNIT UN LESS THE REMOVABLE RIGHT SIDE PANEL HAS BEEN
RETURNED TO ITS PROPER LOCATION.
DO NOT USE A CLEANING OR DE-LIMING AGENT THAT CONTAINS ANY SULFAMIC ACID
OR ANY CHLORIDE, INCLUDING HYDROCHLORIC ACID. IF THE CHLORIDE CONTENT OF
ANY PRODUCT IS UNCLEAR, CONSULT THE DISTRIBUTOR OR MANUFACTURER.
DO NOT USE ANY DE-GREASER THAT CONTAINS POTASSIUM HYDROXIDE OR SODIUM
HYDROXIDE OR THAT IS ALKALINE.
USE OF ANY REPLACEMENT PARTS OTHER THAN THOSE SUPPLIED BY GROEN OR THEIR
AUTHORIZED DISTRIBUTOR VOIDS ALL WARRANTIES AND CAN RESULT IN BODILY INJURY
TO THE OPERATOR AND DAMAGE THE EQUIPMENT. SERVICE BY OTHER THAN FACTORYAUTHORIZED PERSONNEL WILL VOID ALL WARRANTIES.
USE SAFETY GLASSES A ND RUBBER GLOVES AS RECOMMENDED BY
WARNING:
HIGH VOLTAGE EXISTS INSIDE CONTROL COMPARTMENTS. DISCONNECT FROM BRANCH
BEFORE SERVICING. FAILURE TO DO SO CAN RESULT IN SERIOUS INJURY OR DEATH.
2
Table of Contents
OM-CC-G
IMPORTANT OPERATOR SAFETY WARNINGS
EQUIPMENT DESCRIPTION
INSPECTION AND UNPACKING .............................................5
WATER CONDITIONING/RE QUIREMENTS
INSTALLA T I ON
INITIAL START-UP.......................................................11
OPERATING INSTRUCTIONS
CLEANING
MAINTENANCE ........................................................26
TROUBLESHOOTING
DIAGRAMS AND SCHEMATICS
.........................................................
............................................................
....................................................
................................................
..............................................
.............................................
.................................
.....................................
2
4
6
7
13
19
26
28
REFERENCE...........................................................29
SERVICE LOG
WARRANTY PROTECTION ................................................31
..........................................................
30
3
OM-CC-G
Equi p men t D escr i p ti o n
Your Groen Convection Combo™ has a stainless
steel cooking ch amber, an air heating com partment
with heat exchange tubes and fan, a steam
generator, and a control compartment which houses
elect rical components.
All m ajor compon ents of the Convection Combo™
are encased in a 16 gauge stainless st eel ca binet.
The cabinet is lined with 1½ to 2 inches (4 to 5 cm)
thick glass fiber insulat ion. A rem ovable drip tray is
located beneath the door.
Door hinges are reversible so that doors ma y open
from t he left or r ight. Opera tor controls are l ocated
on the right fr ont of the unit, except for the pilot
control switch and manual gas shut-off valve, which
are behind the slidi ng access door on the right side.
Standard cont rols l et you to opera te the Con vection
Combo in any one of t hree cooking modes:
1. As a convection oven
2. As a self-contained pressureless steamer
3. As a combination oven-steamer
Models CC10- G and CC20-G differ in cooking
chamber size and pan capacity:
CC10-G: 4 steam table pan s (12x20x2½”), or
7 half-siz e (13x18" ) U S bakin g pans
An insulated, gas-fired steam gen erator is mou nted
behind the oven. Steam enter s the oven th rough a
connecting tube near t he bottom left rear corner of
the oven.
On single CC10- G units which were supplied without
stands, de-limi ng solut ion is added to the unit through
the port located on top of the unit, direct ly above th e
steam gen erator. U nits supplied with stands have a
port on the st and ju st below the con trol panel. Delim ing solu tion goes through this port into a fill tank,
from which it i s transferred to the steam gen erator
during the unique Groen automati c cleaning cy cle.
The air heating space which contains the heat
exchanger tu bes is also separated from the cooking
chamber by r em ovable left , right, t op and bottom
partitions. The compartment which contains the unit’s
automatic controls and other electrical components is
on the right side of th e unit, and is accessed by
removing the right outside panel.
A drain is l ocated in the removable bott om of the
cooki ng chamber. Fluids drain from this removable
bott om and from t he permanent floor to the stainless
steel drain pipe outside t he oven. The drai n pipe
includes a spray condensor, which suppresses any
steam esca ping from the chamber. On Convection
Combo™ units manufactured after August 1, 1991,
the drain assembly also includes a drain box.
CC20-G: 10 steam table pan s (12x20x2½”), or
9 ful l-si ze (18x26") US baking pans
Alt hough some early m odel CC10-G units were
manufactured for counter-top installation, all units are
now supplied on a stainless st eel stan d. The smaller
Convection C om bo™ is available as the single C C10GF or the double stacked (2) CC10-G F. The larger
unit is avail able as the single C C 20-GF or the doublestacked (2)CC20-GF.
Controls and monitoring displays for cooking times,
operati ng mode and temperatur e selecti on are on the
control panel. The upper por tion of th e panel has a
digital cooking time rea dout an d touch pads for
setting cook times. Below the timer section are lights
which indicate the status of the unit and touch pads
to sel ect the mode of operation and to switch on
power.
A digi tal readout sh ows the sel ected temperatu re,
which is entered by turn ing a dial. Pil ot burn er status
is shown by a light on the pilot ignition switch.
BURNER FIRING RATES
Input Rates, BTU/hour
CC10-G or per chamber for (2) CC 10-G
Mode
Oven 45,000 45,000
Steam 48,000 48,000
Combo 54,600 54,600
Preheat (Max) 93,000 93,000
CC20-G or per chamber for (2) CC 20-G
Mode
Oven 90,000 90,000
Steam 100,000 100,000
Combo 100,000 100,000
Preheat (Max) 186,000 186, 000
*Manifold Pressure
Natural Gas
at 3. 7" W .C.*
Natural Gas
at 4. 5" W .C.*
L.P. G as
at 10. 5" W .C.*
L.P. G as
at 10. 0" W .C.*
4
Insp ecti o n an d U n p acki n g
OM-CC-G
Your Convection Combo™ will be completely
assembled in a heavy shipping carton (CC10-G) or
wooden crat e (CC20- G), an d atta ched to a sk id. On
recei pt, inspect the ca rton or crate carefully for
exteri or dam age.
CAUTION
SHIPPING STRAPS 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 nails and sharp pieces of
wood or staples which might be left in cart on walls.
Write down the model number, serial number and
installation date and keep this information for future
reference. Space for these entries is p ro vided at the
top of the Service Log in the back of th is manual.
CAUTION
THIS UNIT IS VERY HEAVY. YOU SHO UL D GET
HELP AS NEEDED AND USE MATERIAL
HANDL ING EQ UIP M ENT TO RE M O VE T HE UNIT
FROM THE SKID AND M O V E IT T O ITS PLACE
OF INSTALLA TION .
When starting installation, use material handling
equipment to lift the unit straight up off the skid.
Check packi ng materials t o m ake sur e loose parts
are not discarded with th e m aterial.
The unit will be delivered in either a heavy carton ( CC 10-G
and CC20-G) or a heavy wooden crate ((2) CC 10-G and (2)
CC10-G), strapped to a wooden ski d. (CC20-GF pictured)
5
OM-CC-G
Water Conditioning
It is essential to supply the steam generator with
water that will n ot form scale. Even though the
steam gen erator is engineered to minimize scale
formati on, scale development depends on th e
hardness of your water and the number of hours you
operate t he equipment.
In some areas, water is low enough in mi neral
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 gen erator
should have between 30 and 40 parts per million
(ppm) total dissol ved solids (TDS) and should have a
pH (acidity rating) of 7. 0 to 9.0. Please follow these
simple precautions:
1. Do not rel y on unproven water treat m ents
which a re sold for scale prevention or scale
removal. They don’t alw ays w ork. The best
way to pr event sca le is t o supply the purest
possible water (30- 40 ppm TD S).
2. If your water contains scale-forming minerals, as
most water does, use a well -ma intain ed water
soften er. Wh ether an exchangeable softener
cartridge or a regener ating system is ch osen, a
regular exchange schedule is essential.
3. 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 cart ridges or regenerate the soft ener.
Using a water softener will provide longer
generator life, higher steam capacity, and reduce
maintenance requirements.
4. If you notice a slow down in steam production ,
have th e unit checked for sca le build-up. H eavy
scale reduces the unit’s ability to boil water.
MINIMIZE SCALE PROBLEMS, BY USING AND
MAINTAINING A SOFTENER, AND BY CLEANIN G
THE STEAM GENERATOR REGULARLY.
Groen Convect ion C om bo™ ovens are also available
with an option for two separate water connections —
one for the stea m generat or (soft water ), the other
for the spray condenser (untreated water). The
steam gen erator 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 tr eatment requir em ents by u p to 80%,
resulting in significant savings.
Optional separate w ater connecti ons for
steam generat or and drain spray condenser.
6
OM-CC-G
Installation and Start-Up
WARNING
THE UNIT MUST BE INSTALLED BY PERSONNEL WHO ARE QUALIFIED TO WORK WITH ELECTRICITY AND
P L UM B ING . IM P ROP E R INSTALL AT I ON C AN CAUS E INJURY T O PE RS ONNE L AND /O R DAMAG E T O T H E
EQUIPMENT. THE UNIT MUST BE INSTALLED IN ACCORDANCE WITH APPLICABLE CODES.
CAUTION
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 BRO IL ER O R K ET TLE ). D O NOT I NST AL L T O
THE LEFT OF ANY O PEN-FLAME EQUI PMEN T.
TO AVOID DRAINAGE PROBLEMS, LEVEL THE UNIT FRONT TO BACK.
Installation
Mounting
1.
If you wish t o install a Convection Combo™ on
top of a nother , you shoul d obtain a double
stacked unit from the factory.
The unit m ust be installed i n an adequately
vented room w ith a provision for an ample air
supply to the unit. The unit must be installed
completely under a v entilation hood, since fl ue
products exit the applia nce over its entire depth.
Anything which m ight restri ct the flow of air for
ventilati on and combustion m ust be removed. Do
not obstruct the flue cover or any front, side, top
or rear vents after installation. The area directly
around the Convection Combo™ m ust be cleared
of al l combu stibl e m aterial.
Inst alla tion mu st comply with local codes, or in
the absence of local codes, conform to the
National Fuel G as Code ANSI Z223.1 - latest
edit ion, including:
“The appliance and its individual shut-off valve
must be disconnected from the gas supply
pipi ng system duri ng any pressure testing of that
system a t test pressures in excess of ½ psig
(3. 45 kPa). The appliance must be isolated
from t he gas supply by closi ng its individual
manual shut-off valve during any pressure testing
of th e gas supply piping system at t est pressur es
equal t o or less than ½ PSI (3.45 kPa).”
2. Gas Supply Connections
WARNING
THIS UNIT IS FOR COMMERCIAL USE. NEVER
USE HOME OR RESIDENTIAL GRADE GAS
CONNECTIONS. THEY DO NOT MEET GAS
CODES AND COULD BE HAZARDOUS.
Connect to the gas suppl y usin g ¾ NPT pipe or
an a pproved equiva lent. Al though the immediate
connection to the Convection Combo™ is ¾
NPT, the ga s supply piping m ust be large enough
to pr ovide 93,000 BTU /hour for each CC10
cooki ng chamber or 186,000 BTU /hour for each
CC20 cooking chamber. Supply pressure must
be at least 5" W.C. (maximum 14" W.C.) for
natural gas or 12" W.C. (maximum 14" W.C.) for
LP gas. In Canada, the installation must
conform to the Canadian Gas Code, CAN 1B149, Install ation C odes for Gas B urni ng
Appli ances and Equ ipmen t, and/or loca l codes.
For units on casters, complete the gas supply
connection using only connectors that meet the
standards for mov able gas a ppliances, ANSI
Z21.69 — latest editi on. Restrain movemen t of
the unit by attaching a cable or chain to the
eyel et (provided at the back of the frame) and
anch oring the cable or chain to the w all or fl oor.
Make the length and location of the cable such
that the unit cannot pull on the gas connection
while the ca ble is connected.
Elect rical Supply C onnection
3.
For a single oven, or for each oven in a double
stacked unit, provide 115 VAC, 60 H z, one
phase, 15 A MP servi ce. Local codes and/or the
National Electrical Code should be observed in
accordance wit h ANSI/NFPA 70-1987 (or latest
edit ion). AN ELECTRICAL GROUND IS
REQUIRED. The elect rical schemati c is located
in the service compartment and this manual.
Maximum load per oven is 5½ AMPs. In
Canada provide el ectrical service i n accorda nce
with the Canadian Electrical Code, CSA C22.1
Part 1, and/or local codes.
7
OM-CC-G
W ater Supply Connect ion
4.
A check val ve (an ti-siphonage device) m ust 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 regu lator is requir ed
above 60 PSI (410 kPa ).
A ¾ inch (19 mm) N H connector i s required to
connect the water supply to the water inlet valve.
The water feed line diameter ma y not be less
that ½ inch (13 mm). Use a washer (or if
necessary, two washers) in th e hose connection.
Do not allow the connection to have any leak, no
matter how small.
If you have a CC10-G which is equipped wit h the
opti onal split water supply, the stea m generat or
supply must be able to fill the generator with 3
gallons (11. 4 lit ers) of wa ter i n 5 minutes. The
make-up water rate is 0. 06 gallons per minute
(0.2 liters per minute). Condensate spray water
rate i s 0.34 gallons per minute (1.3 lit ers per
minute) at 30 PSI (210 kPa). These
requir em ents apply to each steam generat or in
model (2)CC10-G.
If you have a CC20-G which is equipped wit h the
opti onal split water supply, the stea m generat or
water supply must be able to fill the generator
with 5 gallons (19 lit ers) of water in 5 m inutes.
The make-u p water rate is 0.12 gallons per
minute (0.45 li ters per minute) . Condensate
spray water rate is 0. 7 gallons per minu te (2.6
liters per minute) at 30 PSI (210 k Pa). Th ese
requir em ents apply to each steam generat or in
model (2)CC20-G.
4. Drain Connect ion
Unit Without Drai n Tank
a.
A 1½ inch (4 cm) ID (CC10-G) or 2 inch (5
cm) ID hose (CC 20-G) may be attach ed to
the supplied dr ain outl et with a cla m p. Do
not use plasti c pipe, because the drain m ust
withstand very hot water.
other el bows or other r estricti ons between
the unit drain and the free air gap.
CAUTION
DO NO T USE PLASTIC PIPE. DRAIN MUST B E
RATED FOR VERY HOT WATER.
WARNING
BLOCKING THE DRAIN IS HAZARDOUS.
On a double stacked unit, t here must be a
minimum of two i nches free a ir gap on each
drain, as close to each oven as possibl e.
Double stacked units may only share a
common drain hose downstream of both
free a ir gaps.
Install the drain line with a constant
downward pit ch.
IMPORTANT: Do not allow any water traps in the
li ne. A trap can cause pressure to bui ld up
insi de the cavity during steam ing, which will
make the door gasket leak.
NOTE: Improper drain connection will void the
warranty.
b. Units With Drain Tank
A hose m ay be at tached t o the supplied
drain elbow w ith a cla m p. Use 1½ inch ID
hose for C C10-G or 2" ID hose for C C 20-G.
The hose may be connected directl y to a
building drain since the drain tank has an air
vent, which eliminates the need for a fr ee air
gap at the building drain.
Do not block the air vent in any wa y . Do not
attach anythin g to the vent tube or reduce its
size.
Do NO T use plastic pipe i n the drain line,
because the drain must withstand very hot
water.
WARNING:
DO NOT CONNECT THE OVEN DRAIN DIRECTLY
TO A BUILDING DRAIN.
There mu st be a free air gap between the
end of t he hose and the buildi ng drain. The
free a ir gap shoul d be as close as possible
to the unit’s drain. There must also be no
8
Con vecti o n C o mb o ™ Utility Connections
NO TE: Rem ove ri ght side panel to make connections
at t erminal block in rear of control compartment.
OM-CC-G
9
OM-CC-G
Proper Drain Line Connections
10
Loading...