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IMPORTANT INFORMATION
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KEEP FOR OPERATOR
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IMPORTANT INFORMATION
OM-HY-6G
DOMESTIC
Model: HY-6G
HyPerSteam™
Atmospheric Convection
Steamer
Self-Contained
Gas
Capacity: 6 Steamer Pans
(12" x 20" x 2½”)
® ®
THIS MANUAL MUST BE RETAINED FOR FUTURE REFERENCE. READ, UNDERSTAND AND
FOLLOW THE INSTRUCTIONS AND WARNINGS CONTAINED IN THIS MANUAL.
WARNING
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.
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OM-HY-6G
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.
WARNING: BEFORE REMOVING ANY PARTITION OR PANEL, TURN OFF THE ELECTRICAL POWER
AND ALLOW THE FAN TO STOP ROTATING. BEFORE WORKING ON ANY ELECTRICAL
COMPONENT DISCONNECT THE POWER SOURCE FROM THE UNIT.
NOTICE:
NOTICE:
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.
Level the unit front to back, or pitch it slightly to the rear, to avoid drainage problems.
MAKING ANY ELECTRICAL OR MECHANICAL CHANGE IN THE UNIT WITHOUT PRIOR
APPROVAL FROM GROEN FOOD SERVICE ENGINEERING WILL VOID ALL WARRANTIES.
WARNING: TO AVOID DAMAGE OR INJURY, FOLLOW THE WIRING DIAGRAM EXACTLY WHEN
CONNECTING A UNIT.
CAUTION: DO NOT USE PLASTIC PIPE. DRAIN MUST BE RATED FOR BOILING WATER.
WARNING: DO NOT CONNECT THE DRAIN DIRECTLY TO A BUILDING DRAIN.
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: ALL POTENTIAL USERS OF THE EQUIPMENT SHOULD BE TRAINED IN SAFE AND
CORRECT OPERATING PROCEDURES.
WARNING: NO ATTEMPT SHOULD BE MADE TO OPERATE THIS EQUIPMENT DURING A POWER
FAILURE.
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.
NOTICE: Use no de-greaser that contains potassium hydroxide or sodium hydroxide or that is alkaline.
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 FACTORY-AUTHORIZED PERSONNEL WILL VOID ALL WARRANTIES.
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OM-HY-6G
Table of Contents
OPERATOR WARNINGS (READ FIRST) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
EQUIPMENT DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
WATER QUALITY AND TREATMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
INSPECTION AND UNPACKING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
INSTALLATION AND START-UP INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
OPERATING INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
CLEANING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
MAINTENANCE AND TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
PARTS LISTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
ELECTRICAL SCHEMATICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
REFERENCES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
SERVICE LOG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
WARRANTY PROTECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
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OM-HY-6G
Equipment Description
Your Groen HY-6G HyPerSteam Convection
Steamer is designed to give years of service. It has two stainless steel cavities (cooking chambers) which are served by twin, independent atmospheric steam generators which are gas-heated. A powerful blower circulates the steam in each cavity, to increase heating efficiency.
Each cavity holds up to three steam table pans (12" x 20" x 2½"). A 16 gauge stainless steel cabinet encloses the cavities, the steam generators and the control compartment that houses electrical components. Door hinges are reversible (the doors may be set to open from the left or right). Operating
Controls are on the front panel.
Newer model HY-6G steamers (manufactured since
July 1999) are equipped with fully electronic controls and a button-activated, preprogrammed CLEAN cycle. These units are readily identified by their unique control panels. The On-Off switch on older models has been replaced by touch pad controls, and the distinctive symbol for steam is integrated into the panel design. The new model also has fewer panel louvers on the right side.
The drain system includes a spray condenser, which reduces condensate temperature and helps keep steam from escaping through the drain.
BURNER FIRING RATES
Input Rates,
BTU/hour
Natural Gas at 3.7" W.C.
L.P. Gas at
10.5" W.C.
Individual Steam
Generator
Total, Both Cavities
45,000
90,000
45,000
90,000
Voltage: 108-126 VAC Single Phase 50/60 Hz
Current: 2.5 AMPs ± 10%
WARNING
BEFORE REMOVING ANY PARTITION OR
PANEL, TURN OFF THE ELECTRICAL POWER
AND LET THE FAN STOP ROTATING.
BEFORE WORKING ON ANY ELECTRICAL
COMPONENT, DISCONNECT THE POWER
SOURCE FROM THE UNIT.
The HY-6G has two independent cavities, each with its own base-mounted steam generator.
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.
OM-HY-6G
Water Quality and Treatment
It is essential to supply the steam generator with water that will not form scale. Even though the steam generator/boiler is engineered to minimize scale formation, scale development depends on the hardness of your water and the number of hours you operate the equipment each day.
Most water supplies contain minerals which form scale.
It is this scale which could lead to an early component failure.
Your local water utility can 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 to 9.0. 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.
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. To avoid mineral build up in the steam generator, blow down the generator after every 5 hours.
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.
MINIMIZE SCALE PROBLEMS BY INSTALLING
AND MAINTAINING A GROEN PureSteem™
WATER TREATMENT SYSTEM AND BY DELIMING
THE STEAMER REGULARLY.
The Groen HY-6G Steamer features two separate water inlets — one for the steam generator/boiler
(treated water), the other for the spray condenser
(untreated water). The second intake will reduce treatment requirements resulting in significant savings.
The dual water connections are side by side on the rear of the unit. When seen from the back of the unit, the treated water intake is on the left.
Softened water is connected on the left, untreated water on the right. (Old model shown)
OM-HY-6G
Inspection and Unpacking
Your HY-6G HyPerSteam will be delivered completely assembled in a heavy shipping carton and attached to a skid. On receipt, inspect the carton carefully for exterior damage.
Write down the model number, serial number and installation date. Space for these entries is provided in the Service Log at the back of this manual. Keep the manual near the equipment for reference and update as needed.
CAUTION
SHIPPING STRAPS ARE UNDER TENSION AND
CAN SNAP BACK WHEN CUT.
CAUTION
THIS UNIT WEIGHS 550 POUNDS. GET HELP AS
NEEDED AND USE MATERIAL HANDLING
EQUIPMENT TO MOVE IT.
Carefully cut the straps around the carton and detach the sides of the carton from the skid. Be careful to avoid personal injury. Strap edges may be very sharp, particularly where cut.
When installing, use material handling equipment to lift the unit straight up from the skid. Check packing materials for any loose parts.
OM-HY-6G
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.
CAUTION
DO NOT INSTALL THE UNIT WITH THE RIGHT SIDE VENTS BLOCKED OR WITHIN 12 INCHES OF A HEAT
SOURCE (LIKE A BRAISING PAN, DEEP FRYER, CHAR BROILER, OR KETTLE).
TO AVOID DRAIN PROBLEMS, LEVEL THE UNIT FRONT TO BACK, OR PITCH IT SLIGHTLY TO THE REAR.
A. Installation
The HY-6G steamer is suitable for installation on or near both combustible and noncombustible surfaces.
Minimum installation clearances are:
Right Side
Left Side
Rear
2 inches
0 inches
6 inches
However, for easy service at least 12 inches clearance is required for the right side of the unit, and it may not be installed within 12 inches of a
heat source, as stated in the Caution above.
The unit must be installed in a well-ventilated room with an adequate air supply. The steamer must be installed beneath a ventilation hood, since gas combustion products exit the appliance.
Any item which might obstruct or restrict the flow of air for combustion and ventilation must be removed.
Do not obstruct the flue cover or any front, side, rear, or top vents after installation.
The area directly around the appliance must be cleared of all combustible material. The installation must conform with local codes or, in the absence of local codes, with the National Fuel Gas Code, ANSI
Z223.1, latest edition, including the following:
The unit and its individual shutoff valve must be
disconnected from the gas supply system during any pressure testing of that system at test pressures in excess of PSI (3.45 kPa). It must be isolated from the gas supply piping system by closing its individual manual shutoff valve during any pressure testing of the gas supply piping system at test pressures equal to or less than PSI (3.45 kPa).
1. Electrical Supply Connection
Provide 115 VAC, 60 HZ, 1 PH, 15 AMP service.
Bring conduit in through open frame on the under-side of cabinet. Local codes and/or the
National Electrical Code should be observed in accordance with ANSI/NFPA 70-1987 (or latest edition). AN ELECTRICAL GROUND IS RE-
QUIRED. The electrical schematic is located in the service compartment and in this manual.
Maximum load is 2 AMPs. In Canada, provide electrical service in accordance with the
Canadian Electrical Code, CSA C22.1 Part 1 and/or local codes.
2222. Gas Supply Connection
Connection to the gas supply can be completed with " NPT pipe or approved equivalent.
Although the immediate connection to the appliance is " NPT, gas supply piping must be large enough to provide 90,000 BTU/hr. Supply pressure must be at least 4.5" 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
1-B149, Installation Codes for Gas Burning
Appliances and Equipment and/or local codes.
After the unit has been connected to the gas supply, all gas joints must be checked for leaks.
The knockout hole is sized for a one inch conduit fitting. Pass the wire up the back through this knockout hole to the front.
Make the connections from the front.
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OM-HY-6G
No flame should be used when checking for leaks. A thick soap solution or other suitable leak detector should be used.
For a unit on casters, complete connection to the gas supply with connectors that comply with the standard for connectors for moveable gas appliances, ANSI Z21.69 — latest edition.
Restrain movement of the unit by attaching a cable or chain to the eyelet (provided at the back of the frame) and anchoring the cable or chain to the wall or floor. Make the length and location of the cable such that the unit cannot pull on the gas connection while the cable is connected.
3. Water Connection
A back siphonage device (check valve) must be installed in the incoming cold water line according to local plumbing code. The water line pressure should be between 30 and 60 PSI. A pressure regulator is required above 60 PSI.
A ¾ inch NH (garden hose type) connector is required to connect the water supply to the water inlet valve. The minimum diameter of the water feed line is ½ inch. Use one washer (or, if necessary, two washers) in the hose connection.
Do not allow the connection to have any leak, regardless of how small.
3A Untreated Water Second Connection
As discussed on Page 5, above, the flow of water used for steam suppression in the drain is much greater than the amount of water used to generate steam. An option available with these steamers (see illustration) permits the installer to supply treated water to the steam generator and untreated water to the drain. If your steamer has this “split water” option, the initial fill requirement for treated water is 3.5 U.S. gallons (19 L) within
2.5 minutes. The requirement for treated makeup water is 0.12 gallon (0.45 L) per minute per cavity. A field retrofit kit is available for existing units with no second water connection.
4. Drain Connection
The HY-6G Steamer must be leveled front to back. A 1½ inch (38mm) ID hose may be attached to the drain pipe (supplied) by means of a hose.
DO NOT CONNECT THE HOSE
DIRECTLY TO 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 drain.
There must also be no other elbows or other restrictions between the unit drain and the free air gap.
Do NOT use plastic pipe. The drain must withstand boiling water.
Install the drain line with a constant downward pitch. 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.
B. INITIAL START-UP
After the HY-6G Steamer has been installed, test it to ensure that the unit is operating correctly.
1. Remove all literature and packing materials from the interior and exterior of the unit.
2. Make sure the water supply line is open.
3. Make sure that the gas supply line is open and that the manual knob on the main gas valve is turned to the “on” position. This valve is located behind the front access panel on the right side of the unit.
4. Turn on electrical service to the unit. The
HY-6G will not operate without electrical power. Do not attempt to operate the unit during a power failure.
5. The steamer will not operate until the pilot burner has been ignited. To light the pilot burner, activate the pilot switch located next to the main gas valve. When the pilot ignition sequence has been successfully completed, a green light - on the pilot switch
(old models) - and on the electrical panel
(new models) will glow.
6. The “trial for ignition” period is roughly 90 seconds. If the pilot burner does not light within about 90 seconds after the switch is activated, the ignition system automatically stops gas flow to the pilot burner and stops the ignition trial. If this happens, turn off the pilot switch and repeat the trial for ignition.
During the initial start-up, the pilot may require several trials for ignition until all the air is bled from the gas piping. Subsequent start-ups should require only about 5 seconds to achieve pilot ignition.
NOTE: See Automatic Operation of Pilot at the end of this section.
7. Once the pilot burner flame has been established (the green light on the pilot switch (old models) or electrical panel (new models) is on), press the “ON” switch for the desired steamer cavity. The steam generator will fill with water.
NOTE: The door MUST be closed for the main burner to work.
8. When the steam generator has filled with water, the burners will ignite automatically.
Within approximately 8-10 minutes the
READY light will come on, indicating that the water has reached its standby temperature.
When the READY light is displayed, you may take any one of the following steps: a. Set the timer to the desired time for timed steaming.
b. Turn the timer knob to the manual ON position for continuous steam.
c. Let the unit stay at standby temperature.
WARNING
WHEN YOU OPEN THE DOOR, STAY AWAY
FROM STEAM COMING OUT OF THE UNIT. THE
STEAM CAN CAUSE BURNS.
9. To shut down the unit, press the ON switch into the off position. The steam generator will then drain. You may also switch off the pilot switch to conserve energy.
10. If the HY-6G Steamer behaves as described, the unit is functioning correctly and ready for use.
Automatic Operation of Pilot
Once the pilot burner is lit, it essentially functions as a standing pilot. In this state, if the pilot is accidentally extinguished (by a very strong gust of wind for example), it will re-ignite automatically. The unit will completely shut down. Operator must turn off and then back on to reset. Then the unit will come back on and resume operation in the mode and with the (running) timer value existing just prior to shutdown. The pilot switch may be turned off during
“off hours” to conserve energy.
After the unit has been running, if the pilot burner ever fails to re-ignite automatically within 90 seconds, wait 5 minutes before you attempt to reactivate it. In the unlikely event that ignition problems persist, contact your authorized Groen
Service Agency.
NOTE: For operation at high altitudes (2000 feet and above) please consult the Groen Food Service
Engineering Department.
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OM-HY-6G
OM-HY-6G
Operation
WARNING
ALL POTENTIAL USERS OF THE EQUIPMENT SHOULD BE TRAINED IN SAFE AND CORRECT OPERATING
PROCEDURES.
NO ATTEMPT SHOULD BE MADE TO OPERATE THIS EQUIPMENT DURING A POWER FAILURE.
NOTE: Before the steamer can be operated as described in this section, the pilot burner flame must be established. For details see the Initial Start-Up section and the Automatic Operation of Pilot, above.
A. Controls
Operator controls are on the front right of the unit.
The control panel on new models has the following touch pads and indicator lights:
!
The ON/OFF touch pad gets the HyPerSteam ready for use, or shuts it off.
!
!
!
The READY indicator light shows that the steam generator is at standby temperature and the cavity is hot enough to begin steaming.
The DELIME indicator light is lit when the unit is operating in the cleaning mode.
The SERVICE indicator light shows when the water level probes have stopped working, and need to be cleaned (normally an indication of lime deposits).
!
When one probe is not working, the DELIME light flashes briefly every few seconds. If both probes fail the SERVICE light will come on continuously and the beeper will sound.
The HI TEMP indicator light comes on when the steam generator is too hot.
!
!
The unit will automatically shut off, and cannot be turned on again until the steam generator cools and the HI TEMP indicator light goes out.
The TIMING indicator light stays on when the timer is running.
The CLEAN touch pad is used to start the automatic 50 minute cleaning cycle.
The timer is used in three ways:
1 In the OFF position the steam generator stays at a low boil or “holding” temperature.
2 When a cook time is set, the unit steams until the timer runs down to OFF. Steaming stops, the DONE light (a red light on older models) comes on and a beeper sounds.
3 With the timer turned to the ON position, the unit steams continuously. The green light stays lit. The steamer will not time down.
B. Operating Procedure
1. Press the ON switch/pad for the steamer. The steam generator will fill, and heat until the
READY light comes on. (Aprox. 10 minutes.)
2. Load food into pans in uniform layers. Pans should be filled to about the same levels, and should be even on top.
3. Open the door and slide the pans onto the supports. If you will only be steaming one pan, put it in the middle position.
4. Close the door. With the READY indicator lit, take one of the following steps:
!
If you want to steam the food for a certain length of time, set the timer for that period.
The timer will automatically run the steamer for the set time and then turn it off. A red light will come on and a beeper will
sound. Steam production stops.
!
If you want to steam continuously, turn the timer to the manual ON position. A green light will come on. The unit will continue steaming until you stop it by turning the timer to OFF. When steaming continuously
YOU MUST CONTROL STEAMING TIME.
WARNING
WHEN YOU OPEN THE DOOR, STAY AWAY
FROM THE STEAM COMING OUT OF THE UNIT.
THE STEAM CAN CAUSE BURNS.
OM-HY-6G
5. Open the door. Remove the pans from the steamer, using hot pads or oven mitts to protect your hands from the hot pans.
6. To shut down the unit, press the ON/OFF touch pad. The steam generator will automatically drain.
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Cleaning
To keep your HY-6G Steamer in proper working order, use the following procedure to clean the unit. This regular cleaning will reduce the effort required to clean the steam generators and cavities.
A. Suggested Tools
1. Mild detergent
2. Stainless steel exterior cleaner such as Zepper®
3. Steam generator de-liming agent, such as
Groen Delimer Descaler, Lime-Away® or an equivalent. A liquid de-liming agent will be easier to use than crystals or powders. See the warning about chlorides, below
4. De-greaser, such as EncompasS®, Malone 34®,
Puritan Puribrute®, or Con-Lie®
5. Cloth or sponge
6. Plastic wool or a brush with soft bristles
7. Spray bottle
8. Measuring cup
9. Nylon pad
10. Towels
11. Plastic disposable gloves
12. Funnel
B. Procedure
WARNING
DISCONNECT THE POWER SUPPLY
BEFORE CLEANING THE OUTSIDE OF
THE STEAMER.
KEEP WATER AND CLEANING
SOLUTIONS OUT OF CONTROLS AND
ELECTRICAL COMPONENTS. NEVER
HOSE OR STEAM CLEAN ANY PART
OF THE UNIT.
DON’T MIX DE-LIMING AGENTS (ACID)
WITH DE-GREASERS (ALKALI)
ANYWHERE IN THE UNIT
AVOID CONTACT WITH ANY
CLEANERS, DE-LIMING AGENT OR
DE-GREASER AS RECOMMENDED BY
THE SUPPLIER. MANY ARE HARMFUL.
READ THE WARNINGS AND FOLLOW
THE DIRECTIONS!
1. Outside a. Prepare a warm solution of the mild detergent as instructed by the supplier. Wet a cloth with this solution and wring it out. Use the moist cloth to clean the outside of the unit. Do not allow freely running liquid to touch the controls, the control panel, any electrical part, or any open louver.
b. To remove material which may be stuck to the unit, use plastic wool, a fiber brush, or a plastic or rubber scraper with a detergent solution.
c. Stainless steel surfaces may be polished with a recognized stainless steel cleaner such as
Zepper®.
EVEN WHEN THE UNIT HAS BEEN
SHUT OFF, DON’T PUT HANDS OR
TOOLS INTO THE COOKING
CHAMBER UNTIL THE FAN HAS
STOPPED TURNING.
DON’T OPERATE THE UNIT UNLESS
THE TWO REMOVABLE INTERIOR
PARTITIONS HAVE BEEN PUT BACK
IN THEIR PROPER LOCATIONS.
DON’T USE ANY CLEANING OR DE-
LIMING AGENT THAT CONTAINS ANY
SULFAMIC AGENT OR ANY
CHLORIDE, INCLUDING
HYDROCHLORIC ACID (HCl). TO
CHECK FOR CHLORIDE CONTENT
SEE ANY MATERIAL SAFETY DATA
SHEETS PROVIDED BY THE
CLEANING AGENT MANUFACTURER.
IMPORTANT
DO NOT USE ANY METAL MATERIAL (SUCH AS METAL SPONGES) OR METAL IMPLEMENT (SUCH AS
A SPOON, SCRAPER OR WIRE BRUSH) THAT MIGHT SCRATCH THE SURFACE. SCRATCHES MAKE
THE SURFACE HARD TO CLEAN AND PROVIDE PLACES FOR BACTERIA TO GROW. DO NOT USE
STEEL WOOL, WHICH MAY LEAVE PARTICLES IMBEDDED IN THE SURFACE WHICH COULD
EVENTUALLY CAUSE CORROSION AND PITTING.
OM-HY-6G
2. Steam Generator and Cooking Chamber
Regular deliming, depending on your steamer usage and local water quality, must be done to enhance performance and prolong the life of your
HyPerSteam™ convection steamer. Steamer must be turned off after every use to prevent lime scale buildup - do not run steamer continuously.
ALWAYS USE HOT PADS OR MITTS WHEN
HANDLING HOT STEAMER PANELS OR RACKS.
RECOMMENDED TOOLS & CLEANERS:
- Groen Delimer/Descaler (Part Number 114800). Do
NOT use any product containing chlorides or sulfamic acid, including hydrochloric acid .
- Nylon scrub pad, cloth and/or sponge
DELIMING STEPS HY-6G (Use Touch Pad):
STEP 1 - Press ON/OFF to turn steamer off. Open
door.
STEP 2 - Let cavity cool for 5 minutes or longer.
While cool, wipe out cavity. Close door.
STEP 3 - Press and hold CLEAN while also turning
steamer on by pressing ON/OFF, until only
DELIME and POWER lights remain on (all
lights will turn on, then off, except DELIME
and POWER).
STEP 4- After 5 minutes, beeper will beep rapidly,
signaling you to add Groen Delimer/
Descaler. Door(s) must remain closed for
entire delime cycle.
STEP 5- Pour 1 pint (2 cups) of delimer PER
CAVITY into upper and /or lower deliming
port(s) and then close port(s). Press
CLEAN. Double-stacked unit cavities may
be delimed together or seperately
STEP 6- Delime cycle will start, taking about 30
minutes. When delime cycle is complete,
DELIME light will appear, DONE light will
flash and beeper will beep.
STEP 7- Press ON/OFF to turn steamer off. Let
cavity cool for 5 minutes or longer. Open
door, wipe out inside of cavity and wipe
door gasket. Close door.
STEP 8- To use steamer, press ON/OFF. When
READY light appears, steamer is ready to
use.
NOTES:
- If DELIME light flashes rapidly (5 times per second), press DELIME to restart delime cycle.
- If power outage occurs during deliming, delime cycle must be restarted. Press DELIME.
- For best performance, do not interrupt delime cycle. If delime cycle must be stopped, press
ON/OFF to turn on. Set timer for 5 minutes. After beeper beeps, press ON/OFF to turn off. Let cavity
cool for 5 minutes or longer, carefully open door(s) and wipe out cavity completely.
Deliming
Port
13
13
OM-HY-6G
Maintenance
The HY-6G Steamer is designed for minimum maintenance, and no user adjustments should be necessary. Certain parts may need replacement after prolonged use. If there is a need for service, only Groen personnel or authorized Groen representatives should perform the work.
Always supply water with a low mineral count that meets the standards outlined in the Water
Conditioning section of this manual.
2. Inspect the cooking chamber drain to be sure it is not blocked.
3. Adjust the latch pin to allow for changes that might occur as the gasket ages.
a.
Loosen the lock nut at the base of the latch pin. Turn the latch pin ¼ turn clockwise, and re-tighten the lock nut.
b.
After adjustment, run the unit to test for further steam leakage.
The unit contains no fuses that should be replaced by the operator.
If steam or condensate is seen leaking from around the door, take the following steps:
1. Check the door gasket. Replace if it is cracked or split.
c.
d.
If there is still leakage, repeat the adjustment.
Continue adjusting the pin clockwise until the door fits tightly enough to prevent leakage.
Troubleshooting
This Groen Steamer is designed to operate smoothly and efficiently if properly maintained. However, the following is a list of checks to make in the event of a problem. Wiring diagrams are furnished inside the service panel. If an item on the check list is marked with (�), it means that the work should be done by a factory-authorized service representative.
SYMPTOM
Pilot will not light User
WHO
WHAT TO CHECK
(If item is marked X, work should be done by a factory authorized service rep) a. Are electrical connections made with a ground?
b. Is gas supply connection made?
c. Is pilot ignition switch on?
d. Is gas valve turned on?
e. Are building fuses or circuit breakers all right?
f.
Are there drafts which could blow out the pilot?
Steam generator does not fill with water.
Auth Service
Rep Only
User g. Is spark ignition cable connected to module? (X)
No steam.
Red light comes on after four minutes.
Excessive steam escaping from rear of unit
User
User
User
Auth Service
Rep Only a. Is the ON switch depressed?
b. Is the water supply connected?
c. Is the water turned on?
d. Check for low water pressure (less than 30 PSI or
210 kPa).
e. Is the screen at the water connection clogged?
f.
Has the steam generator been delimed?
a. Is the ON switch depressed?
b. Is the water supply connected?
c. Is the water turned on?
d. Are steamer doors open?
e. Is the steam generator limed up?
a. Is the water supply connected?
b. Is the water turned on?
c. Has the unit been delimed? (Refer to Cleaning
Section) a. Is the water spray hose kinked or obstructed?
b. Is the water spray solenoid connected?(X) c. Is the drain properly vented? (X)
OM-HY-6G
Parts List
External Cabinet and Sheet Metal
To order parts, contact your authorized Groen Service Agency. Supply the model designation, part description, part number, quantity, and where applicable, voltage and phase.
Key Description
1 Lower Side Panels
2 Lower Front Panel
3 Adjustable Table Leg
4 Door Assembly
5 Door Handle
6 Door Gasket
7 Left Pan Rack
8 Blower Cover/Rack
9 Door Locking Pin
9a Door Pin Lock Nut
10 Timer
11 Timer Knob
12 Mylar Overlay Plate
13 Flue Cover
Part #
096848
096720
042505
130858
129723
124849
094148
096788
078914
003823
096826
123100
123128
096765
x - Part Not Required
Key
14 Flue
Description
15 Vent Pipe
16 Upper Right Side Panel
17 Top Side Cover
18 Lower Back Panel
19 Sink Drain Fitting
20 Upper Left Panel
21 Top Panel
22 Back Panel
15
15
Part #
096854
141346
123183
096732
096785
099943
123184
123182
125799
OM-HY-6G
4
5
Parts List
Parts List
5
6
4
13
2
11
13
2
11
10
10
14
14
12
7
12
7
8
8
Key Description x Top Cover Clip
Description
2 Timer
Top Cover Clip x Door Switch
4 Ready Thermostat
5 Steam Port
6 Steam Hose, Top
7 Steam Hose, Bottom
8 1 d” Hose Clamp
9
7 Steam Hose, Bottom
8 1 d” Hose Clamp
10 Motor Capacitor
9 Fan Motor
10 Motor Capacitor
11 Control Board
9
Part # 9
123156
Part #
096826
096857
123156
088865
096826
141366
096857
141461
088865
141462
141366
127525
141461
096740
141462
096812
127525
141082
096740
096812
141082
Key
12
13
14
Key
12 x - Part Not Shown
Description
Description
Cover, Control Panel
Chassis, Trfmr/Capacitor Assy
14 Chassis, Trfmr/Capacitor Assy
Part #
137233
119806
119864
Part #
137233
119806
119864 x - Part Not Shown
16
Parts List
Parts List
Steamer Base Section
8
8
6
6
OM-HY-6G
5
5
10
10
11
11
2
2
12
12
3
3
Key Description Part #
Key x
2
3 Main Gas Valve, Natural Gas
Main Gas Valve, Propane Gas x
Outer Steam Generator Assy
5 x
Description
Adjustable Table Leg
6 Inner Steam Generator Assy x Water Fill Hose
8 Water Level Probe Right x High Limit Thermostat
Part #
042505
042505
087951
087951
098443
098443
098444
098444
099988
099988
141618
141618
141618
141618
096772
096772
141285
141285
141424
141424
096892
096892
003887
10 Terminal Block 003887
Key
Key Description
12 120/24 Volt Transformer
Part #
Part #
085153
085153
121716
121716 x - Part Not Shown x - Part Not Shown
17
17
17
OM-HY-6G
4
2
6
7
6
7
4
2
14
16
14
16
13 13
17 17 1
Key Key
1 Inner Gas Manifold
2 Outer Gas Manifold
3 Igniter Cable
4 ½” Outer High Heat Tube
5 ½” Inner High Heat Tube
6 Outer Flue
Part # Part #
141499 141499
141348 141348
096728 096728
141338 141338
141339 141339
096854 096854
7 Inner Flue 096854 096854 x Steam Generator Drain Valves 074594 074594 x Inner Generator Drain Hose 141467 141467
— Water inlet mounting for 2 outlet 071235 071235
1
12 12
3
5 5
3
Key Key Part # Part #
x Outer Generator Drain Hose 141466 141466 x Stm Gen Drain Hose Clamps 095656
140859 140859
141490 141490
141491 141491 x Cavity Drain Hose Clamp 126011 126011
141346 141346 x Water Inlet Valve 3 outlet 090827 090827
096705 096705 x Pilot Burner - Propane Gas 096706 096706
— Water inlet valve, for second 100934 100934
18
19
OM-HY-6G
OM-HY-6G
Parts List
Parts List
Steam Generator Individual Parts
1
1
19
16
8
19
16
7
8
7
13
14
13
14
17
17
18
18
6
5
6
4
5
4
10
10 x
10
7
8 x
Key
1 x x
4
5
6
Key Description Part #
1
Steam Generator Weldment
Part #
141619
141619
096896
096896
096770
096770
106392
106392
081670
081670
141285
141285 141424
1 x x
¼” Hose Clamp d” Hose Clamp d” Elbow with Fitting
Top Cavity Drain Hose d” Elbow with Fitting
Top Cavity Drain Hose
141424
073259
073259
010873
010873
095656
095656
057217
057217
141490
141490
Key Description
Key x x x
Description
Bottom Cavity Drain Hose
Sink Drain Hose
Part #
141491
141491
099954
099954
099955
099955
099915
099915
096772
096772
141467
17 Inner Stm. Generator Hose 141467 141466
18 Outer Stm. Generator Hose 141466 x Inlet Elbow
* - Part Not Shown x - Part Not Required
141463
100924
Part #
141463
100924
* - Part Not Shown x - Part Not Required
20
21
OM-HY-6G
OM-HY-6G
22
OM-HY-6G
References
AMERICAN GAS ASSOCIATION LABORATORIES
AMERICAN GAS ASSOCIATION LABORATORIES
8501 East Pleasant Valley Road
Cleveland, Ohio
AMERICAN NATIONAL STANDARDS INSTITUT1403
AMERICAN NATIONAL STANDARDS INSTITUT1403
Broadway
New York, NY 10018
NSF INTERNATIONAL
789 N. Dixboro Rd.
P.O. Box 130140
Ann Arbor, Michigan 48113-0140
NATIONAL FIRE PROTECTION ASSOCIATION
NATIONAL FIRE PROTECTION ASSOCIATION
60 Battery March Park
Quincy, Massachusetts 02269
Z21.30
Z21.30
Installation of Gas Appliances &
Installation of Gas Appliances &
Piping
Z223.1-1984 National Fuel Gas Code
NFPA/54
NFPA/54
NFPA/70
NFPA/70
Installation of Gas Appliances &
Installation of Gas Appliances &
The National Electrical Code
ZEP MANUFACTURING CO.
1310-T Seaboard Industrial Blvd.
Atlanta, Georgia 30318
23
OM-HY-6G
Service Log
Model No.
Serial No.
Date Purchased
Purchase Order No.
Date Maintenance Performed
Purchased From
Location
Date Installed
For Service Call
Performed by
24
24
OM-HY-6G
LIMITED WARRANTY TO
COMMERCIAL PURCHASERS*
( U.S. and Canadian Sales Only)
Groen Foodservice Equipment (“Groen Equipment”) has been skillfully manufactured, carefully inspected, and packaged to meet rigid standards of excellence. Groen warrants its Equipment to be free from defects in material and workmanship for (12) twelve months with the following conditions an subject to the following limitations.
I.
II.
This parts and labor warranty is limited to Groen Equipment sold to the original commercial purchaser/users
(but not original equipment manufacturers {O.E.M.}), at its original place of installation in the continental United
States, Hawaii and Canada.
Damage during shipment is to be reported to the carrier, is not covered under this warranty, and is the sole responsibility of the purchaser/user.
III.
Groen,, or an authorized service representative, will repair or replace, at Groen’s sole election, any Groen equipment, including but not limited to, drawoff valves, safety valves, gas and electric components, found to be defective during the warranty period. As to warranty service in the territory described above, Groen will absorb labor and portal to portal transportation costs (time and mileage) for the first twelve (12) months from date of installation or fifteen (15) months from date of shipment from Groen.
IV.
This warranty does not cover boiler maintenance, calibration, periodic adjustments as specified in operating instructions or manuals, and consumable parts such as scraper blades, gaskets, packing, etc., or labor costs incurred for removal of adjacent equipment or objects to gain access to Groen Equipment. This warranty does not cover defects caused by improper installation, abuse, careless operation, or improper maintenance of equipment. This warranty does not cover damage caused by poor water quality or improper boiler maintenance.
V.
THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR
IMPLIED, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A
PARTICULAR PURPOSE, EACH OF WHICH IS HEREBY EXPRESSLY DISCLAIMED. THE REMEDIES
DESCRIBED ABOVE ARE EXCLUSIVE AND IN NO EVENT SHALL GROEN BE LIABLE FOR SPECIAL,
CONSEQUENTIAL OR INCIDENTAL DAMAGES FOR THE BREACH OR DELAY IN PERFORMANCE OF
THIS WARRANTY.
VI.
Groen Equipment is for commercial use only. If sold as a component of another (O.E.M.) Manufacturer’s equipment, or if used as a consumer product, such Equipment is sold AS IS and without any warranty.
* (Covers all Foodservice Equipment Ordered after October 1, 1995)
25
25
OM-HY-6G
NOTES
26
26
27
1055 Mendell Davis Drive
Jackson, MS 39272
Telephone 601 372-3903
Fax 601 373-9587 www.groen.com
28
OM-HY-6G
Part Number 141601 Rev. C
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Table of contents
- 2 OPERATOR WARNINGS (READ FIRST)
- 4 EQUIPMENT DESCRIPTION
- 5 WATER QUALITY AND TREATMENT
- 6 INSPECTION AND UNPACKING
- 7 INSTALLATION AND START-UP INSTRUCTIONS
- 10 OPERATING INSTRUCTIONS
- 12 CLEANING
- 14 MAINTENANCE AND TROUBLESHOOTING
- 15 PARTS LISTS
- 22 ELECTRICAL SCHEMATICS
- 23 REFERENCES
- 24 SERVICE LOG
- 25 WARRANTY PROTECTION