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OPERATOR MANUAL
IMPORTANT INFORMATION, KEEP FOR OPERATOR
This manual provides information for:
MODELS DH/DHT
STEAM JACKETED
KETTLE WITH STANDARD
ELECTRONIC IGNITION
· Self-Contained
· Gas Heated
· Floor Mounted
· Tilting
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.
NOTIFY CARRIER OF DAMAGE AT ONCE
It is the responsibility of the consignee to inspect the container upon receipt of
same and to determine the possibility of any damage, including concealed dam-
age. Unified Brands suggests that if you are suspicious of damage to make a
notation on the delivery receipt. It will be the responsibility of the consignee to file
a claim with the carrier. We recommend that you do so at once.
Manufacture Service/Questions 888-994-7636.
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.
PART NUMBER 121050, REV. E (5/08)
Domestic
1055 Mendell Davis Drive
Jackson, MS 39272
888-994-7636, fax 888-864-7636
groen.com
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Table of Contents
Related Manuals for Dover GROEN DH-20
Summary of Contents for Dover GROEN DH-20
- Page 1 OPERATOR MANUAL IMPORTANT INFORMATION, KEEP FOR OPERATOR This manual provides information for: MODELS DH/DHT Domestic STEAM JACKETED KETTLE WITH STANDARD ELECTRONIC IGNITION · Self-Contained · Gas Heated · Floor Mounted · Tilting THIS MANUAL MUST BE RETAINED FOR FUTURE REFERENCE. READ, UNDERSTAND AND FOLLOW THE INSTRUCTIONS AND WARNINGS CONTAINED IN THIS MANUAL.
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Page 2: Important Operator Warnings
OM-DH OM-DH IMPORTANT — READ FIRST — IMPORTANT CAUTION: BE SURE ALL OPERATORS READ, UNDERSTAND AND FOLLOW THE OPERATING INSTRUCTIONS, CAUTIONS, AND SAFETY INSTRUCTIONS CONTAINED IN THIS MANUAL. WARNING: THIS UNIT IS INTENDED FOR USE IN THE COMMERCIAL HEATING, COOKING AND HOLDING OF WATER AND FOOD PRODUCTS, PER THE INSTRUCTIONS CONTAINED IN THIS MANUAL. - Page 3 OM-DH OM-DH WARNING: BEFORE REPLACING ANY PARTS, DISCONNECT THE UNIT FROM THE ELECTRIC POWER SUPPLY AND CLOSE THE MAIN GAS VALVE. ALLOW FIVE MINUTES FOR UNBURNED GAS TO VENT. WARNING: KEEP WATER AND SOLUTIONS OUT OF CONTROLS AND ELECTRICAL EQUIPMENT. NEVER SPRAY OR HOSE THE SUPPORT HOUSING OR ELECTRICAL CONNECTIONS.
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Page 4: Table Of Contents
OM-DH OM-DH Table of Contents IMPORTANT OPERATOR WARNINGS ......... 2 EQUIPMENT DESCRIPTION . -
Page 5: Equipment Description
OM-DH OM-DH Equipment Description The Groen DH is a floor-mounted, tilting, steam kettle. Standard DHT units include a two inch jacketed kettle with a thermostatically controlled, tangent draw-off valve. self-contained, gas-heated steam source and appropriate controls, mounted on a sturdy base. The self-contained steam source is heated by The Model DH is available in 20, 40, 60 or 80 propane or natural gas. -
Page 6: Inspection & Unpacking
OM-DH OM-DH Inspection & Unpacking The unit will arrive in a heavy shipping carton Write down the model number, serial number, and will be bolted or banded to a skid. and installation date, and retain this information Immediately upon receipt, inspect the carton for future reference. -
Page 7: Installation
OM-DH OM-DH Installation For efficient performance the DH kettle must be soap solution or other suitable leak detector installed in a well-ventilated area. Items which might should be employed. restrict or obstruct the flow of air for combustion and 9. Confirm that the jacket water level is between ventilation must be removed. - Page 8 OM-DH OM-DH Now that the kettle has been installed, you should test to ensure that it is operating correctly. 1. Remove literature and packing materials from inside and outside of the unit. 2. If the unit is equipped with a draw-off valve (product outlet), clean out any material which might clog or damage the draw-off.
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Page 9: Operation
Operation A. Controls Operator controls for the DH kettle are: 1. Manual gas valve (on gas line behind the unit), which controls the supply of gas from the main to the unit. 2. On-Off (Toggle) Switch. This controls the supply of electric power to the control circuits. - Page 10 OM-DH OM-DH WARNING WARNING AVOID ALL DIRECT CONTACT WITH HOT WHEN TILTING KETTLE: 1) WEAR PROTECTIVE OVEN MITT AND SURFACES AND HOT FOOD OR WATER IN THE KETTLE. DIRECT CONTACT PROTECTIVE APRON. COULD RESULT IN SEVERE BURNS. 2) USE DEEP CONTAINER TO CONTAIN AND MINIMIZE PRODUCT SPLASHING.
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Page 11: Sequence Of Operation
OM-DH OM-DH admit gas to the main burner, where it is ignited WARNING by the pilot flame. When the kettle reaches the AVOID ALL DIRECT CONTACT WITH HOT set temperature, the thermostat switch opens. FOOD OR WATER IN THE KETTLE. DIRECT This stops the signal to the gas control valve and CONTACT COULD RESULT IN SEVERE shuts off gas to the main burner. -
Page 12: Maintenance
OM-DH OM-DH Maintenance NOTICE: Contact Groen or an authorized Groen Service Agent when repairs are required. 1. Periodic Maintenance 20 to 30 inches mercury (Hg), when the kettle is cold. If it does not, see “Jacket A Maintenance & Service Log is provided at the Vacuum”... - Page 13 OM-DH OM-DH To remove air: a. Start the unit. (Be sure there is water or product in the kettle when heating). b. When the pressure/vacuum gauge reaches a positive pressure reading of five PSI, release the trapped air and steam by pulling up the safety valve ring for about five seconds.
- Page 14 OM-DH OM-DH As you add water to the jacket, check water a. Make sure the fill valve is closed, and level to ensure that it is between minimum remove the square head pipe plug with and maximum marks on glass or at the top of open-ended wrench.
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Page 15: Cleaning
OM-DH OM-DH Cleaning d. Model DHT only: Disassemble the tangent 1. Suggested Cleaning Supplies: draw-off valve. Clean the draw-off port and each valve part with a brush. a. Cleaner, such as Klenzade HC-10 or HC-32 from ECOLAB, Inc. or equivalent. CAUTION b. - Page 16 OM-DH OM-DH The outside of the unit may be polished with a stainless steel cleaner such as “Zepper” from Zep Manufacturing Co. or equivalent. When equipment needs to be sanitized, use a solution equivalent to one that supplies 200 parts per million available chlorine. Obtain advice on sanitizing agents from your supplier of sanitizing products.
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Page 17: Troubleshooting
OM-DH OM-DH Troubleshooting Your Groen kettle 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 and in this manual. - Page 18 OM-DH OM-DH SYMPTOM WHAT TO CHECK indicates items which must be performed by an authorized technician. a. That the pilot valve is securely connected to terminals. Spark is present but the pilot will Auth not light. Service b. For 24 VAC at terminals PV and PV/MV. If 24V is not present, replace ...
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Page 19: Diagrams & Schematics
OM-DH OM-DH Electrical Schematic OM-DH/DHT... -
Page 20: Parts Lists
OM-DH GROEN.COM... - Page 21 OM-DH OM-DH/DHT...
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- Page 28 OM-DH OM-DH Parts List Burner and Flame Sensor Assembly OM-DH Parts List To order parts, contact your Groen Certified Service Agency. Supply the model designation, part desc number, quantity, and, where applicable, voltage and phase. Description Part No. Description Burner and Flame Sensor Assly 123814 Flue Stack Assembly Baffle Plate...
- Page 29 Parts List for DH/DHT-60 and Smaller Sizes OM-DH Parts List ontact your Groen Certified Service Agency. Supply the model designation, part description, part and, where applicable, voltage and phase. Flue Stack Assembly Description Part No. Description Part No. d Flame Sensor Assly 123814 Flue Stack Assembly 117034...
- Page 30 Parts List for DH/DHT-80 ITEM NO. QTY. PART NO. DESCRIPTION Flue Stack Assembly 072189 SCREW TRUSS HEAD MACHINED 10-32 X 1/2" L. 149222 Description FLUE, TOP SECTION Part No. 149236 FLUE STACK, BOTTOM SECTION Flue Stack Assembly 150927 FLUE, FRONT PANEL. WELDMENT ASSY.
- Page 31 OM-DH OM-DH Parts List Electrical Panel Arm and Module Box Assembly OM-DH/DHT...
- Page 32 OM-DH Parts List To order parts, contact your Groen Certified Service Agency. Supply the model designation, part description, part number, quantity, and, where applicable, voltage and phase. Description Part No. Description Part No. Electrical Panel 123736 Arm and Module Box Assembly 127734 Water Level Control 122192...
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Page 33: Maintenance Log
OM-DH OM-DH Service Log Model No. _______________________________ Purchased From _________________________ Serial No. _______________________________ Location ________________________________ Date Purchased __________________________ Date Installed ___________________________ Purchase Order No. _______________________ For Service Call __________________________ Date Service Performed Performed By OM-DH/DHT... -
Page 34: References
OM-DH OM-DH References CSA INTERNATIONAL AMERICAN NATIONAL STANDARDS INST., Inc. 8501 East Pleasant Valley Road 1430 Broadway Cleveland, Ohio 44131 New York, New York 10018 NSF INTERNATIONAL NATIONAL SANITATION FOUNDATION Z223.1-1984 - National Fuel Gas Code 798 N. Dixboro Rd. 3475 Plymouth Road Z21.30 - Installation Gas Appliances &... -
Page 35: Warranty
OM-DH Limited Warranty To Commercial Purchasers * (U.S. & 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 and subject to the following limitations. - Page 36 1055 Mendell Davis Drive • Jackson MS 39272 888-994-7636 • 601-372-3903 • Fax 888-864-7636 groen.com PART NUMBER 121050, REV. E (5/08)
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