Groen HY-12E Operation Manual
IMPORTANT INFORMATION
IMPORTANT INFORMATIONIMPORTANT INFORMATION
IMPORTANT INFORMATION
KEEP FOR OPERATOR
KEEP FOR OPERATORKEEP FOR OPERATOR
KEEP FOR OPERATOR
IMPORTANT INFORMATION
IMPORTANT INFORMATIONIMPORTANT INFORMATION
IMPORTANT INFORMATION
Model HY-24EF (New Model)
OPERATOR MANUAL OM-HY-12E/24E
Part Number 148667 DOMESTIC
Model: HY-12E and HY-24E
HyCapacity HyPerSteam™
Atmospheric Convection
Steamer
Self-Contained
Electric Heated
Model HY-12E
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.
OPERATOR MANUAL
Part Number 148667 Rev. C
OM-HY-12E/24E
IMPORTANT - READ FIRST - 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 EQUIPMENT. THE UNIT MUST BE INSTALLED IN ACCORDANCE WITH APPLICABLE
CODES.
CAUTION: 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, DEEP FRYER, CHAR
BROILER OR KETTLE.
NOTICE: Level the unit front to back, or pitch it slightly to the rear, to avoid drainage problems.
CAUTION: DO NOT LOCATE THE CABINET DIRECTLY OVER A FLOOR DRAIN OR FLOOR SINK. HUMIDITY
OR WATER FROM A DRAIN WILL DAMAGE ELECTRICAL PARTS OF A UNIT.
WARNING: TO AVOID DAMAGE OR INJURY, FOLLOW THE WIRING DIAGRAM EXACTLY WHEN CONNECTING
A UNIT.
WARNING: DO NOT CONNECT THE DRAIN DIRECTLY TO A BUILDING DRAIN.
CAUTION: DO NOT USE PLASTIC PIPE. DRAIN MUST BE RATED FOR BOILING WATER.
WARNING: BLOCKING THE STEAM GENERATOR OR CAVITY DRAIN SCREEN MAY BE HAZARDOUS.
IMPORTANT: Improper drain connection will void warranty.
WARNING: WHEN YOU OPEN THE DOOR, STAY AWAY FROM STEAM COMING OUT OF THE UNIT. STEAM
CAN CAUSE BURNS.
WARNING: BEFORE CLEANING THE OUTSIDE OF THE STEAMER, 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: ALLOW COOKING CHAMBERS TO COOL BEFORE CLEANING.
WARNING: CAREFULLY READ THE WARNINGS AND FOLLOW THE DIRECTIONS ON THE LABEL OF EACH
CLEANING AGENT. USE SAFETY GLASSES AND RUBBER GLOVES AS RECOMMENDED BY
DELIMING AGENT MANUFACTURER.
WARNING: DO NOT MIX DE-LIMING AGENTS (ACID) AND DE-GREASERS (ALKALI) IN THE STEAM
GENERATOR OR ON THE COOKING CHAMBER WALLS.
WARNING: DO NOT PUT HANDS OR TOOLS INTO THE COOKING CHAMBER UNTIL THE FAN HAS STOPPED
TURNING.
WARNING: DO NOT OPERATE THE UNIT UNLESS THE REMOVABLE RIGHT SIDE PANELS HAVE BEEN
RETURNED TO THEIR PROPER LOCATIONS.
NOTICE: 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 manufacturer.
WARNING: USE OF ANY REPLACEMENT PARTS OTHER THAN THOSE SUPPLIED BY GROEN OR THEIR
AUTHORIZED DISTRIBUTOR VOIDS ALL WARRANTIES AND CAN CAUSE BODILY INJURY TO THE
OPERATOR AND DAMAGE THE EQUIPMENT. SERVICE PERFORMED BY OTHER THAN FACTORYAUTHORIZED PERSONNEL WILL VOID ALL WARRANTIES.
WARNING: HIGH VOLTAGE EXISTS INSIDE CONTROL COMPARTMENTS. DISCONNECT FROM BRANCH
BEFORE SERVICING. FAILURE TO DO SO CAN RESULT IN SERIOUS INJURY OR DEATH.
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OM-HY-12E/24E
Table of Contents
IMPORTANT OPERATOR SAFETY WARNINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
EQUIPMENT DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
WATER CONDITIONING/REQUIREMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
INSTALLATION AND START-UP INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
CLEANING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
SERVICE LOG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
REFERENCES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
WARRANTY PROTECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
16
17
18
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The HY-24EF has two independent
cavities, each with its own steam
generator (New model shown).
Equipment Description
Your Groen HY-12E HyCapacity HyPerSteam is
designed to give years of service. It consists of a
stainless steel cavity (cooking chamber) which is served
by an electrically-heated atmospheric steam generator.
The HY-24EF has two cavities and two generators.
Two powerful blowers circulate the steam in each cavity
to increase heating efficiency.
A dual position pan rack on the left side of the cavity
can be quickly changed to allow for the use of either 12"
x 20" steamer pans, or 18" x 26" bake pans. The
following table lists pan capacities:
Pan Size/Type
Number of Pans
HY-12E HY-24EF
12 x 20 x 2 ” (steamer) 12 24
12 x 20 x 4" (steamer) 8 16
13 x 18" (half-size bake) 24 48
18 x 26" (bake) 12 24
A stainless steel cabinet encases the cavity, steam
generator and a control compartment which houses
electrical components. Access to the control
compartment is gained by removing the right side
louvered panel. Door hinges are reversible so that the
door may be opened to the left or right. Operating
controls are on the front panel.
Newer model HY-12E and HY-24EF steamers
(manufactured since November 1999) are equipped
with fully electronic controls and a button-activated preprogrammed CLEAN cycle.
These units are readily identified by their unique control
panels. Touch pad controls, and the distinctive symbol
for steam is integrated into the panel design. The new
models also have fewer panel louvers on the right side
and rear.
The drain system includes a spray condenser, which
helps keep steam from coming out of the unit drain or
entering the building’s drain.
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 the equipment
operates.
In some areas of the country, water is low enough in
minerals 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 or treatment specialists can test and
tell you about the minerals in your water. The water
going to the steam generator should have between 10
and 30 parts per million (ppm) total dissolved solids
(TDS) and should have a pH (acidity rating) of 7.0 or
higher.
Please follow these simple precautions:
1. The best way to prevent scale is to use a Groen
PureSteem™ Water Treatment System which has
been specifically designed for Groen steamers and
combination ovens. Do not rely on unproven
water treatment systems sold for scale
prevention and removal. They are not
specifically designed to work with Groen
steamers and combination ovens.
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The optional separate water intake can significantly reduce treated water
volume requirements.
2. A well-maintained water treatment system and a
regular cartridge replacement schedule is
essential.
3. Using a Groen PureSteem™ Water Treatment
System will provide longer steam generator/boiler
life, higher steam capacity, and reduce
maintenance requirements.
4. If you notice a slowdown in steam production or an
increase in deliming, have the steamer checked for
scale build-up. This could be an indication that the
water treatment cartridges need replacing. Heavy
scale reduces the unit’s ability to boil water, and
can even cause component failure.
.
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Installation and Start-Up
WARNING
THE UNIT MUST BE INSTALLED BY PERSONNEL WHO ARE QUALIFIED TO WORK WITH
ELECTRICITY AND PLUMBING. IMPROPER INSTALLATION CAN CAUSE INJURY TO
PERSONNEL AND/OR DAMAGE TO THE EQUIPMENT. THE UNIT MUST BE INSTALLED IN
ACCORDANCE WITH APPLICABLE CODES.
WARNING
TO AVOID DAMAGE OR INJURY, FOLLOW THE ELECTRICAL SCHEMATIC EXACTLY
WHEN CONNECTING THE UNIT.
CAUTION
DO NOT INSTALL WITH THE RIGHT SIDE VENTS BLOCKED OR WITHIN 12 INCHES OF A
HEAT SOURCE (BRAISING PAN, DEEP FRYER, CHAR BROILER, OR KETTLE). TO AVOID
DRAINAGE PROBLEMS, LEVEL THE UNIT FRONT TO BACK.
A. Installation
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