Groen DEE series, DEE/20, DEE/40, DEE/60 Operator's And Service Manual

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IMPORTANT INFORMATIONIMPORTANT INFORMATION- KEEP FOR OPERATOR KEEP FOR OPERATOR- IMPORTANT INFORMATIONIMPORTANT INFORMATION

OPERATOR AND SERVICE MANUAL OM-DEE(CE)

Part Number 127730 INTERNATIONAL

MODEL: DEE - CE MARK Steam Jacketed Kettle

Self-Contained Stainless Steel Tilting Electric Heated Floor Mounted

OPERATORS AND TECHNICIANS SHOULD READ, UNDERSTAND AND FOLLOW WARNINGS AND INSTRUCTIONS IN THIS OPERATOR AND SERVICE MANUAL. .KEEP THIS OPERATOR AND SERVICE MANUAL WITH OTHER KETTLE DOCUMENTS.

DEE/4T (CE)

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.

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IMPORTANT — READ FIRST — IMPORTANT

THESE APPLIANCES MUST BE INSTALLED BY A COMPETENT PERSON IN CONFORMITY WITH THE INSTALLATION AND SERVICING INSTRUCTIONS AND NATIONAL REGULATIONS IN FORCE AT THE TIME. PARTICULAR ATTENTION MUST BE PAID TO THE FOLLOWING:

I. E. E. REGULATIONS FOR ELECTRICAL INSTALLATIONS ELECTRICITY AT WORK REGULATIONS HEALTH AND SAFETY AT WORK ACT FIRE PRECAUTIONS ACT LOCAL AND NATIONAL BUILDING REGULATIONS

USERS SHOULD BE CONVERSANT WITH APPROPRIATE PROVISIONS OF THE FIRE PRECAUTIONS ACT. IN PARTICULAR THEY SHOULD BE AWARE OF THE NEED FOR REGULAR SERVICING BY A COMPETENT PERSON TO ENSURE CONTINUED SAFE AND EFFICIENT APPLIANCE PERFORMANCE.

WARNING: TO PREVENT SHOCKS, APPLIANCES WHETHER GAS OR ELECTRIC, MUST BE EARTHED.

UPON COMPLETION OF INSTALLATION, THE OWNERS MANUAL SHOULD BE HANDED TO USERS AND THE INSTALLER SHOULD INSTRUCT RESPONSIBLE PERSON(S) IN THE CORRECT OPERATION AND MAINTENANCE OF THE APPLIANCE.

THIS EQUIPMENT IS ONLY FOR PROFESSIONAL USE, AND SHALL BE OPERATED BY QUALIFIED PERSONS. IT IS THE RESPONSIBILITY OF THE SUPERVISOR OR EQUIVALENT TO ENSURE THAT USERS WEAR PROTECTIVE CLOTHING, AND TO DRAW ATTENTION TO THE FACT THAT, SOME PARTS WILL, BY NECESSITY, BECOME VERY HOT AND WILL CAUSE BURNS IF TOUCHED ACCIDENTALLY.

UNLESS OTHERWISE STATED, PARTS WHICH HAVE BEEN PROTECTED BY THE MANUFACTURER ARE NOT TO BE ADJUSTED BY THE INSTALLER.

BEFORE ATTEMPTING ANY SERVICING, ENSURE THAT THE ELECTRICAL SUPPLY IS DISCONNECTED.

WARNING: THE UNIT MUST BE INSTALLED BY PERSONNEL QUALIFIED TO WORK WITH ELECTRICITY.

IMPROPER INSTALLATION CAN RESULT IN INJURY TO PERSONNEL AND/OR DAMAGE TO EQUIPMENT. THE UNIT MUST BE INSTALLED IN ACCORDANCE WITH APPLICABLE CODES.

CAUTION: SHIPPING STRAPS ARE UNDER TENSION AND CAN SNAP BACK WHEN CUT.

WARNING: TO AVOID DAMAGE OR INJURY, FOLLOW THE WIRING DIAGRAM EXACTLY WHEN

CONNECTING A UNIT.

WARNING: BEFORE CLEANING THE OUTSIDE OF THE KETTLE, DISCONNECT ELECTRIC POWER .

KEEP WATER AND SOLUTIONS OUT OF CONTROLS AND ELECTRICAL COMPONENTS.

NOTICE: DO NOT USE ANY 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 RESULT IN BODILY INJURY TO THE OPERATOR AND DAMAGE THE EQUIPMENT. SERVICE 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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Contents

Regulations and Safety Precautions ......................................................... 2

Equipment Description .................................................................... 4

Electrical Supply Requirements ............................................................. 4

Optional Equipment ...................................................................... 5

Inspection and Unpacking ................................................................. 5

1 Installation ............................................................................ 6

1.1 Placement .......................................................................... 6

1.2 Initial Checks ........................................................................ 6

1.3 Providing Power ...................................................................... 6

2 Initial Start-Up .......................................................................... 7

3 Operation ............................................................................. 8

3.1 Starting Kettle ....................................................................... 8

3.2 Transferring Product/Emptying Kettle ..................................................... 8

3.3 Common Accessories ................................................................. 9

4 Sequence of Operation ................................................................. 10

5 Maintenance .......................................................................... 11

5.1 Periodic Maintenance ................................................................ 11

5.2 Safety Valve Operation ............................................................... 11

5.3 Lubrication (Gears) .................................................................. 12

5.4 Jacket Vacuum ..................................................................... 12

5.5 Jacket Filling and Water Treatment ...................................................... 12

5.6 Water Treatment Procedure ........................................................... 12

5.7 Installation of Safety Valve ............................................................. 13

6 Troubleshooting ....................................................................... 14

7 User Instructions ...................................................................... 16

7.1 Equipment Description ................................................................ 16

7.2 Operation .......................................................................... 18

7.3 Cleaning and Maintenance ............................................................ 20

Parts Lists ............................................................................ 22

Electrical Schematic ................................................................... 24

Service Log ........................................................................... 25

Warranty ............................................................................. 26

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Equipment Description

The Groen DEE/4 is a floor-mounted, tilting, steam jacketed kettle with a thermostatically controlled, selfcontained, electrically-heated steam supply and appropriate controls, mounted on a sturdy base. The Model DEE/4 is available in 20, 40 or 60 gallon capacities.

The body of the DEE/4 Kettle is constructed of stainless steel, welded into one solid piece. The kettle is furnished with a reinforced rim and a butterfly shaped pouring lip. It has a steam jacket rated for working pressures up to 50 PSI. Kettle finish is 180 emery grit on the inside and bright semi-deluxe on the outside.

The kettle can be tilted with a hand crank to pour out its contents. Stainless steel panels enclose the controls and the base. Four stainless steel, tubular legs support the unit. Bullet feet on each of the legs can be adjusted to level the kettle.

A built-in steam generator, sized for the kettle capacity and heated by electricity, delivers steam

ELECTRICAL SUPPLY CONNECTION REQUIREMENTS

into the jacket. “Airless” operation of the steam jacket permits uniform, efficient heating at temperatures as low as 150°F and as high as 298°F. In addition to the adjustable thermostat for operating control, the unit has a tilt cut-off switch, low water cut-off, safety valve, and high-limit pressure switch as safety features.

CE units have three lights on the Control Panel. The “POWER” light comes on when the unit is turned on. It indicates that power is being supplied to the unit. The “HEAT” light comes on when heating elements are heating the kettle. The “LOW WATER” light will come on when water level in the jacket falls below acceptable operating levels. Refer to the section on Jacket Filling and Water Treatment (Page 12).

A single electrical connection is required for installation. The unit may be ordered for use with 230 VAC, 1 Phase, 50 Hz, or 400 VAC, 3 Phase, 50 Hz power.

Unit DEE/20 DEE/40 DEE/60 230 Volt - 1 Phase 57 Amperes 96 Amperes 96 Amperes 400 Volt - 3 Phase 57 Amperes 96 Amperes 96 Amperes

a.Connect the appropriate wiring as described in the wiring diagram located on the inside of the control console.

A copy is also provided at the rear of this manual.

b.Equipotential terminal - In accordance with national regulations the unit has been fitted with an equipotential

terminal.

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Optional equipment available with DEE/4 kettles:

1. 2" or 3" diameter tangent draw-off valve (factoryinstalled)

2. Lift-off cover

Inspection & Unpacking

The unit will arrive in a heavy shipping carton and will be bolted or banded to a skid. Immediately upon receipt, inspect the carton carefully for exterior damage.

CAUTION SHIPPING STRAPS ARE UNDER TENSION AND CAN SNAP BACK WHEN CUT. TAKE CARE TO AVOID PERSONAL INJURY OR DAMAGE TO THE UNIT BY STAPLES LEFT IN THE WALLS OF THE CARTON.

Carefully cut any straps from around the carton and detach the sides of the box from the skid. Pull the carton up off the unit.

Thoroughly inspect the unit for concealed damage. Report any shipping damage or incorrect shipments to the delivery agent.

3. Counterbalanced cover (factory-installed)

4. TRI-BC basket cooking system

5. Water fill faucets

6. Kettle brush kit

Write down the model number, serial number, and installation date, and retain this information for future reference. Space for these entries is provided at the top of the Service Log at the back of this manual. Keep this manual on file and available for operators to use.

CAUTION THIS UNIT IS VERY HEAVY. INSTALLER SHOULD OBTAIN HELP AS NEEDED TO LIFT THIS WEIGHT SAFELY.

When installation is to begin, carefully cut any straps which hold the unit on the skid. Lift the unit straight up off the skid. Examine packing materials to be sure loose parts are not discarded with the materials.

The unit will be bolted or banded to a skid, inside of a heavy container. Be careful when cutting shipping straps.

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Section 1 - Installation

The Groen Kettle is provided with complete internal wiring and is ready for immediate connection. Wiring diagrams are provided in this manual and on the inside of the control housing service panel. Any mechanical or electrical changes must be approved by Groen’s Food Service Engineering Department.

WARNING INSTALLATION OF THE KETTLE MUST BE DONE BY PERSONNEL QUALIFIED TO WORK WITH ELECTRICITY. IMPROPER INSTALLATION CAN RESULT IN INJURY TO PERSONNEL AND/OR DAMAGE TO EQUIPMENT.

The completed unit has been operated at the factory to test all controls and heater elements.

1.1 Placement

Set the kettle in place and level it by turning the bullet feet to adjust leg length. Allow clearance around the unit for cleaning, maintenance and service.

1.2 Initial Checks

1.2.1 Confirm that the jacket water level is above the mid point of sight glass. If the level is low, follow the instructions under “Jacket Filling and Water Treatment,” Page 13.

1.2.2 The open end of the elbow on the outlet of the safety valve must face downward. If it does not, turn it to the correct position.

1.3 Providing Power

1.3.1 Provide electrical power specified on the equipment electrical information plate. Observe all local and national codes, and all regulations in force at the time of installation.

1.3.2 Bringing the electrical service through the entrance at the rear of the support housing with one inch conduit, making a watertight connection with the incoming lines. Observe all local and national codes, and all regulations in force at the time of installation.

DANGER ELECTRICALLY EARTH THE UNIT AT THE TERMINAL PROVIDED. FAILURE TO EARTH UNIT COULD RESULT IN ELECTROCUTION AND DEATH.

1.3.3 Electrically earth the unit at the terminal provided.

Check the following to confirm that your DEE/4 kettle is properly installed:

• Room for cleaning and servicing

• The kettle is level

• The correct amount of water is in the kettle

jacket

• Safety valve is pointed down

• Unit is connected with a waterproof supply of

the proper voltage, phase and amperage rating

ELECTRICAL SUPPLY CONNECTION REQUIREMENTS

Unit DEE/20 DEE/40 DEE/60 230 Volt - 1 Phase 57 Amperes 96 Amperes 96 Amperes 400 Volt - 3 Phase 57 Amperes 96 Amperes 96 Amperes

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Section 2 - Initial Start-Up

IMPORTANT: BE SURE ALL OPERATORS READ, UNDERSTAND AND FOLLOW THE OPERATING INSTRUCTIONS, CAUTIONS AND SAFETY INSTRUCTIONS CONTAINED IN THIS MANUAL.

Now that the kettle has been installed, you should test it to ensure that the unit is operating correctly.

1. Remove all 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.

3. Confirm that the tilting mechanism is operating properly by tilting the kettle through its full range. Then return the kettle to the upright position.

4. Turn on the electrical service to the unit.

5. Pour 2-4 liters of water into the kettle.

6. Following “To Start Kettle” instructions in the “Operation” section of this manual, begin heating the water at the highest thermostat setting. The heating indicator light should come on immediately, and heating should continue until the water boils.

WARNING AVOID ALL DIRECT CONTACT WITH HOT SURFACES. DIRECT SKIN CONTACT COULD RESULT IN SEVERE BURNS.

AVOID ALL DIRECT CONTACT WITH HOT FOOD OR WATER IN THE KETTLE. DIRECT CONTACT COULD RESULT IN SEVERE BURNS.

7. To shut down the unit, turn the thermostat dial to “OFF”.

If the unit functions as described above, it is ready for use. If the unit does not function as described, contact your local Groen Certified Service Agency.

Each day, confirm the jacket water level by checking the water gauge.

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Section 3 - Operation

3.1 Starting Kettle

1. EVERY DAY make sure that the jacket water level is between the marks on the gauge glass. If the level is too low, see “Jacket Filling and Water Treatment” on page 12.

2. Check the pressure gauge. If the gauge does not show 20 to 30 inches of vacuum (that is, a reading of 20 to 30 below 0), see “Jacket Vacuum” on page 12.

3. Turn on the electrical power to the unit.

4. Turn the thermostat dial to the desired setting. The heating indicator light indicates that the kettle is heating. Cycling of the light on and off shows that the kettle is being held at the set temperature. Once in each cycle the

contactors in the support housing will make a clicking sound. This is normal.

2. Product may also be transfered by means of the optional draw-off valve if the kettle is so equipped.

WARNING AVOID ALL DIRECT CONTACT WITH HOT SURFACES. DIRECT SKIN CONTACT COULD RESULT IN SEVERE BURNS.

AVOID ALL DIRECT CONTACT WITH HOT FOOD OR WATER IN THE KETTLE. DIRECT CONTACT COULD RESULT IN SEVERE BURNS.

TAKE SPECIAL CARE TO AVOID CONTACT WITH HOT KETTLE BODY OR HOT PRODUCT, WHEN ADDING INGREDIENTS, STIRRING OR TRANSFERRING PRODUCT TO ANOTHER CONTAINER.

CAUTION DO NOT OVERFILL THE KETTLE WHEN COOKING, HOLDING OR CLEANING. KEEP LIQUIDS AT LEAST 23” (5-8 cm) BELOW THE KETTLE BODY RIM TO ALLOW CLEARANCE FOR STIRRING, BOILING PRODUCT AND SAFE TRANSFER.

WARNING

WHEN TILTING KETTLE FOR PRODUCT TRANSFER:

1) WEAR PROTECTIVE OVEN MITT AND PROTECTIVE

APRON.

2) USE DEEP CONTAINER TO CONTAIN AND MINIMIZE

PRODUCT SPLASHING.

3) PLACE CONTAINER ON STABLE, FLAT SURFACE, AS

CLOSE TO KETTLE AS POSSIBLE.

4) STAND TO LEFT OR RIGHT OF KETTLE WHILE

POURING — NOT DIRECTLY IN POUR PATH OF HOT CONTENTS.

5) POUR SLOWLY, MAINTAINING CONTROL OF KETTLE

AT ALL TIMES, AND RETURN KETTLE BODY TO UPRIGHT POSITION AFTER CONTAINER IS FILLED OR TRANSFER IS COMPLETE.

6) DO NOT OVERFILL CONTAINER. AVOID DIRECT SKIN

CONTACT WITH HOT CONTAINER AND ITS CONTENTS.

3.2 Transferring Product/Emptying Kettle:

1. The kettle is tilted by means of the crank on the front of the control housing. The kettle remains in the position to which tilted until cranked again.

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CAUTION KEEP FLOORS IN FRONT OF THE KETTLE WORK AREA CLEAN AND DRY. IF SPILLS OCCUR, CLEAN AT ONCE TO AVOID SLIPS OR FALLS.

3.3 Common Accessories

1. Lift-Off or Counterbalanced Cover

As with stock pot cooking, an optional cover can speed up the heating of water and food products. A cover helps retain heat and reduces the heat and humidity released into the kitchen. Using a cover can reduce some product cook times and help maintain the temperature, color and texture of products being held or simmered for longer periods.

Be sure the handle is secure on the lift-off cover before using. ALWAYS use the handle to place or remove cover from the kettle. Wear protective oven mitts and a protective apron.

When putting a lift-off cover on the kettle, position it on top of kettle rim, with its flat edge facing the pouring lip.

CAUTION DO NOT TILT KETTLE WITH LIFT-OFF COVER IN PLACE. COVER MAY SLIDE OFF, CAUSING INJURY TO OPERATOR.

2. Basket Insert

An optional kettle basket insert set can assist in cooking water-boiled products including eggs, potatoes, vegetables, shell fish, pasta and rice. The nylon mesh liner must be used for products smaller than the basket mesh size, (approximately 1/4” (6 mm). This includes rice and small pasta shapes.

Tips For Use.

a) Allow for displacement of the 3 baskets and

product. This may mean only filling the kettle half way. Test baskets and product displacement with the kettle OFF, and with cold water in the kettle.

CAUTION DO NOT OVERFILL THE KETTLE WHEN COOKING,

HOLDING OR CLEANING. KEEP LIQUIDS AT LEAST 2-3” (5-8 cm) BELOW THE KETTLE RIM TO ALLOW CLEARANCE FOR STIRRING, BOILING AND SAFE PRODUCT TRANSFER.

WARNING AVOID ALL DIRECT CONTACT WITH HOT SURFACES. DIRECT SKIN CONTACT COULD RESULT IN SEVERE BURNS.

AVOID ALL DIRECT CONTACT WITH HOT FOOD OR WATER IN THE KETTLE. DIRECT CONTACT COULD RESULT IN SEVERE BURNS.

When removing the lift-off cover:

a) Firmly grasp the handle

b) Lift rear edge (farthest from operator) 1-2” (3-5

cm) to allow steam and water vapor to escape the cooking vessel. Wait 2-3 seconds.

c) Tilt cover to 45-60° angle to allow any hot

condensate or product to roll off cover back into kettle.

d) Remove cover, ensuring that any remaining hot

condensate or product does not drip on operator, floor or work surfaces.

e) Place cover on safe, flat, sanitary, out-of-the-way

surface, or return to kettle.

WARNING AVOID ALL DIRECT CONTACT WITH HOT FOOD OR WATER IN THE KETTLE. DIRECT CONTACT COULD RESULT IN SEVERE BURNS.

b) Load baskets on a level, stable work surface.

c) Lift loaded baskets with both hands. Get help

from another person if the basket is too heavy for safe handling.

d) Slowly lower product into kettle and securely hook

the basket to the “Y” frame.

e) When removing baskets with cooked product, lift

straight up, ensuring basket bottoms clear the kettle rim and pouring lip. Wear protective oven mitts and protective apron.

f) Allow hot water to fully drain from product, before

moving basket away from the kettle. Do not rest baskets on kettle rim or pouring lip. If baskets are too heavy for individual to lift and safely move, get help.

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Remove product immediately from basket into another container, being sure to avoid contact with hot product and hot basket or. . .

g) Place baskets with food on a stable, flat surface,

inside a solid steamer or bake pan, to catch any remaining hot water draining from product.

Section 4 - Sequence of Operation

The following “action-reaction” outline is provided to help the user understand how the equipment works.

When the operator starts up the kettle by turning the operating thermostat dial from “OFF” to a desired setting, the thermostat switch closes. This lights up the heating indicator light and causes the contactors to close, allowing power to flow to heating elements.

When the temperature of the steam jacket reaches the value corresponding to the dial setting, the thermostat switch opens. This turns off the heating indicator light and causes the contactors to open, stopping the power to the heaters.

This is why the heating indicator light cycles on and off during normal operation. Every time the kettle is tilted, the tilt cut-off switch interrupts the power supply to the heaters, so that the heating elements will not operate while not submerged in the jacket water.

If steam pressure greater than 50 PSIG is generated in the jacket, the safety valve will open and relieve the excess pressure.

If the jacket water level gets too low before the heating elements overheat, the high-limit control will open and shut off power to the elements until the kettle cools.

Setting the operating thermostat dial to “OFF” shuts down all control and heating circuits.

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Section 5 - Maintenance

NOTICE: Contact Groen or an authorized Groen representative when repairs are required.

5.1 Periodic Maintenance

A Maintenance & Service Log is provided at the back of this manual with the warranty information. Each time maintenance is performed on your Groen kettle, enter the date on which the work was done, what was done, and who did it. Keep this manual on file and available for operators to use.

gauge glass. If the level is low, see “Jacket Filling and Water Treatment” on page 13.

c. Test the safety valve at least twice each month.

Test the valve with the kettle operating at 15 psi (105 kPa), by pulling up the test chain for at least 5 seconds. Then release the chain and let the valve snap shut. If the valve does not activate, or there is no evidence of discharge, or the valve leaks, stop using the kettle and contact a qualified Groen service representative.

The pressure gauge should show a vacuum of 20 to 30 inches when the kettle is cold.

Periodic inspection will minimize equipment down time and increase the efficiency of operation. The following points should be checked:

a. Check the pressure/vacuum gauge every day.

The gauge should show a vacuum of 20 to 30 inches, when the kettle is cold. If it does not, see “Jacket Vacuum” on page

13.

b. Also check the

jacket water level every day. It should be between the marks on the

Test the safety valve at least twice monthly.

d. Electrical wiring should be kept securely

connected and in good condition.

e. The inside of the support housing must be kept

clean.

WARNING WHEN TESTING, AVOID ANY EXPOSURE TO THE STEAM BLOWING OUT OF THE SAFETY VALVE. DIRECT CONTACT COULD RESULT IN SEVERE BURNS.

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5.2 Safety Valve Operating Instructions

If adding water to a boiler, DO NOT ALLOW water to flow through safety valve as sediment or debris may be deposited on seating surface.

To achieve topmost performance and maximum service life , it is necessary to maintain a proper pressure margin between set pressure of the safety valve and equipment operating pressure. The minimum required pressure margin for this type of valve is 10% of the safety relief valve set pressure, but not less than 5 PSIG. UNDER

NO CIRCUMSTANCES SHOULD THIS MARGIN BE LESS THAN 5 PSIG. Failure to maintain this operating

margin may result in water leakage past the seat and an accumulation of deposits on the seating surface. Excessive deposits may prevent the valve from operating properly, and a dangerous pressure build-up and equipment rupture may result.

5.3 Lubrication (Gears)

The gear housing has fittings for proper lubrication of moving parts. Because the gears do not run in oil, periodic lubrication with grease is necessary. Frequency of lubrication will depend on operating conditions, but it should be performed at least once every six months. It is recommended that a Number Two grade LGI lithium grease be used. Add grease through the Zerk fittings on the gear housing until grease flows out of the bearings around the trunnion shaft. Place a liberal amount of grease on the gear to cover the arc that is in contact with the worm gear.

5.4 Jacket Vacuum

When the kettle is cold, a positive pressure/ vacuum gauge reading or a reading near zero indicates that there is air in the jacket. Air in the jacket slows kettle heating.

a. If you are replacing water lost as steam, use

distilled water. If you are replacing treated water that ran out of the jacket, prepare more treated water as directed in step 4, “Water Treatment Procedure.”

b. Allow the kettle to cool. Turn the elbow on the

safety valve counterclockwise (to avoid thread damage) until the opening of the elbow faces upward.

c. Open the safety valve and pour the water or

treated water in at the elbow until the water level rises to a point between the marks on the gauge glass.

d. Air introduced to the jacket during filling must be

removed to obtain efficient heating. See “Jacket Vacuum” above.

CAUTION

BEFORE YOU HEAT THE KETTLE AGAIN FOR ANY PURPOSE, TURN THE ELBOW BACK CLOCKWISE UNTIL THE OPENING FACES DOWNWARD.

5.6 Water Treatment Procedure

a. Obtain water treatment compound and a pH test

kit from your authorized Groen parts distributor.

WARNING TO AVOID INJURY, READ AND FOLLOW ALL PRECAUTIONS STATED ON THE LABEL OF THE WATER TREATMENT COMPOUND.

b. Fill a mixing container with the measured

amount of water required. (See table). Use distilled water only.

To remove air:

a. Start the unit.(Be sure there is water or product

in the kettle when heating).

When the pressure/vacuum gauge reaches a positive pressure reading of 5 PSI, release the trapped air and steam by pulling up or out on the safety valve lever or ring for about 1 second. Repeat this step, then let the pull ring or valve lever snap back into the closed position.

5.5 Jacket Filling and Water Treatment

The jacket was charged at the factory with the proper amount of treated distilled water. You may need to restore this water, either because it was lost as steam during venting or by draining.

Kettle Model Jacket Capacity

DEE/4-20 9.5 Liters DEE/4-40 13.2 Liters DEE/4-60 15.1 Liters

c. Hang a strip of pH test paper on the rim of the

container, with about 25 mm of the strip below the surface of the water.

d. Measure the water treatment compound (One

way to do this is to add the compound from a measuring cup.)

e. Stir the water continuously, while you slowly add

water treatment compound, until the water reaches a pH between 10.5 and 11.5. Judge the

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pH by frequently comparing the test strip color with the color chart provided in the pH test kit.

f. Record the exact amounts of water and

treatment compound used. These amounts may be used again, if the same water sources and compound are used in the future. However, it is best to check the pH each time treated water is prepared.

g. For optimum performance, use correctly treated,

distilled water.

5.7 Installation of Safety Valve

a. Installation must be performed by qualified

service personnel only.

b. The BTU/hr or lb/hr rating of this valve must

equal or exceed that of the equipment to which it is attached

c. DO NOT use this valve on a coal or wood boiler

having an uncontrolled heat input.

d. Ensure that all connections, including the valve

inlet, are clean and free from any foreign material.

5. terminates freely to atmosphere where any discharge will be clearly visible and is at no risk of freezing.

6. terminates with a plain end that is not threaded.

7. is constructed of a material suitable for exposure to temperatures of 375º F or greater.

8. is, over its entire length, of a size equal to or greater than the valve outlet.

i. Use only schedule 40 pipe for discharge. (Do

not use schedule 80, extra strong pipe or connections). DO NOT CAP, PLUG, OR

OTHERWISE OBSTRUCT DISCHARGE PIPE OUTLET!

j. See appropriate ASME Boiler and Pressure

Vessel Code for additional installation instructions.

e. Use pipe compound sparingly, or tape, on

external threads only.

f. DO NOT USE A PIPE WRENCH! Use proper

type and size wrench on wrench pads only.

g. This valve must be mounted in a vertical, upright

position directly to a clean, tapped opening in the top of the boiler or equipment. Under no circumstances should there be a flow restriction or valve of any type between the safety relief valve and the pressure vessel

h. WARNING! During operation, this valve may

discharge large amounts of steam and/or hot water. To reduce the potential for bodily injury and property damage, a discharge line MUST be installed that:

1. is connected from the valve outlet with no intervening valve and directed downward to a safe point of discharge.

2. allows complete drainage of both the valve and the discharge line

3. is independently supported and securely anchored so as to avoid applied stress on the valve.

4. is as short and straight as possible.

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Section 6 - 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.

If an item on the list is followed by YY, the work should be done by a qualified service representative. USE OF ANY REPLACEMENT PARTS OTHER THAN THOSE SUPPLIED BY GROEN OR THEIR AUTHORIZED

DISTRIBUTORS CAN CAUSE INJURY TO THE OPERATOR AND DAMAGE TO THE EQUIPMENT AND WILL VOID ALL WARRANTIES.

SYMPTOM WHO WHAT TO CHECK

YYindicates items which must be performed by an authorized technician.

Kettle will not heat, and heating indicator will not come on.

Kettle will not heat, but heating indicator comes on.

Kettle continues heating after it reaches the desired temperature

Kettle stops heating before it reaches the desired temperature.

Kettle heats slowly User a. For air in the jacket. See “Jacket Vacuum” in

Safety valve pops. User a. For air in the jacket. See “Jacket Vacuum” in

User a. Electric power supply to the unit.

b. Water level in jacket.

Auth Service Rep Only

User a. For air in the jacket. See “Jacket Vacuum” in

Auth Service Rep Only

User a. Thermostat dial setting. Auth

Service Rep Only

User a. Thermostat dial setting. Auth

Service Rep Only

Auth Service Rep Only

c. Control circuit fuses. Replace a blown fuse

only with a fuse of the same AMP rating. Y d. For loose or broken wires. Y e. Tilt cut-off switch. Y f. That pressure switch is open. Y g. Operation of variable thermostat. Y h. Low water cutoff. Y

the Maintenance section of this manual. b. Contactor. Y

c. Heater elements with ohmmeter for ground

short or open element. If element is defective,

call Groen. Y

b. Thermostat circuit for short. Y c. Thermostat operation. The thermostat should

click when the dial is rotated above and below

the setting for the temperature of the kettle. Y d. Contactor, to determine whether it is energized

or stuck. Y

b. Thermostat calibration. Y c. Thermostat operation. The thermostat should

click when the dial is rotated above and below

the setting for the temperature of the kettle. Y

the “Maintenance” section of this manual. b. Heater elements with ohmmeter for ground

short or open element. If an element is

defective, call Groen. Y c. Voltage of main power source. Y

the “Maintenance” section of this manual. b. Whether kettle was being heated empty when

valve popped. c. Pressure switch setting. Y

d. Thermostat operation. Thermostat should click

when the dial is rotated above and below the

setting for the temperature of the kettle. Y e. Safety valve. If the valve pops at pressures

below 48 PSI, replace it. Y f. Contactor, to determine whether it is de-

energized. Y

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SYMPTOM WHO WHAT TO CHECK

Safety valve leaks a small amount of

User a. For contamination that prevents seating of

steam when the kettle is operating.

Auth Service Rep Only

Kettle is hard to tilt. Auth

Service Rep Only

OM/SM-DEE (CE)

YYindicates items which must be performed by an authorized technician.

valve. With full pressure in the jacket, pull the

lever all the way briefly to blow the valve clean,

then let the lever snap back to seat the valve. b. Safety valve for defects. Replace any defective

valve with an identical valve.Y

a. Tilting gear and worm for contamination and

for proper alignment and lubrication.Y

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OM/SM-DEE (CE)

Section 7 - User Instructions

Regulations and Safety Precautions

These Appliances have been CE marked on the basis of compliance with the EMC and Low Voltage Directive.

These appliances MUST BE installed by a competent person in conformity with the INSTALLATION AND SERVICING INSTRUCTIONS and National Regulations in force at the time.

Particular attention MUST be paid to the following:

I.E.E. Regulations for Electrical Installations Electricity at Work Regulations Health and Safety at Work Act Fire Precautions Act Local and National Building Regulations

Those parts which have been protected by the manufacturer MUST NOT be adjusted by the User.

Users should be conversant with the appropriate provisions of the Fire Precautions Act. In particular the need for regular servicing by a competent person to ensure the continued safe and efficient performance of the Appliance.

WARNING

TO PREVENT SHOCKS, ALL APPLIANCES WHETHER GAS OR ELECTRIC, MUST BE EARTHED.

Upon completion of the installation, the Owners Manual should be handed to the users and the installer should instruct the responsible person(s) on the correct operation and maintenance of the Appliance. This equipment is ONLY FOR PROFESSIONAL USE, and shall be operated by QUALIFIED persons. It is the responsibility of the Supervisor or equivalent to ensure that users wear SUITABLE PROTECTIVE CLOTHING and to draw attention to the fact that, some parts will, by necessity, become VERY HOT and will cause burns if touched accidentally.

IMPORTANT - READ FIRST - IMPORTANT The Groen Steam Jacketed Kettle you have just purchased has been handcrafted from the finest materials, meticulously inspected, and carefully tested to ensure that you receive the best possible product. With reasonable care and periodic maintenance, it will provide years of faithful service. It is recommended that you establish a timetable for periodic maintenance as outlined in this manual. Space is provided in the Service Log at the back of this manual.

7.1 Equipment Description

7.1.1 General

Groen models DEE are stainless steel, steam jacketed, floor mounted, tilting kettles with a self-contained, electric-heated steam source. The kettle body is welded into one piece and furnished with a reinforced bar rim and welded "butterfly" pouring lip. The interior of the kettle is polished to a 180 emery grit finish, and the

exterior is given a bright semi-deluxe finish. The unit is

ASME shop inspected and registered with the National

Board for working pressures up to 50 PSI. Kettle

support, tilting mechanism, and controls are contained

in an enclosed base resting on tubular legs with

adjustable ball feet. Tilting is provided by a self-locking,

worm-and-gear device.

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OM/SM-DEE (CE)

Charged at the factory with treated, distilled water, the steam source provides kettle temperature of 65/ C to 150/ C. Controls for the unit include a thermostat, pressure gauge, gauge glass, safety valve, pressure limit control, low water cut-off and an on/off switch.

Service connections are required for 230 Volt, single phase, 50 Hz and 400 Volt, three phase, 50 Hz electricity.

IMPORTANT

Prior to operation, clean out the kettle pan thoroughly using hot water and detergent. Rinse out and dry thoroughly.

7.1.2 Operational and Maintenance Safety

WARNING INSTALLATION OF THE UNIT MUST BE DONE BY PERSONNEL QUALIFIED TO WORK WITH ELECTRICITY AND PLUMBING IN ACCORDANCE WITH ALL APPLICABLE CODES.

BEFORE REPLACING ANY PARTS, DISCONNECT THE UNIT FROM THE ELECTRIC POWER SUPPLY.

TO PREVENT SHOCKS, ALL APPLIANCES WHETHER GAS OR ELECTRIC, MUST BE EARTHED.

CAUTION BE SURE ALL OPERATORS READ, UNDERSTAND, AND FOLLOW THE OPERATING INSTRUCTIONS, CAUTIONS AND SAFETY INSTRUCTIONS CONTAINED IN THIS MANUAL.

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OM/SM-DEE (CE)

Section 7.2 - Operation

7.2.1 Initial Operational Readiness Check

After the DEE Kettle has been installed according to service and installation instructions, perform initial start-up as a test, to ensure that the unit is operating correctly. Refer to the pictures on this page for identification of DEE kettle controls and indicators.

a) Remove all literature and packing material from the

interior and exterior of the unit.

b) Make sure electricity supply is switched on.

c) Ensure that the kettle is filled with water.

d) Check the water level in the jacket. The level

should be between the lines on the gauge glass. If the level is low, the jacket water level will be required to be topped up. (This will require a service call).

e) Check the pressure gauge. If the gauge does not

show sufficient vacuum (20 to 30 below zero) then the jacket will require venting. (This will require a service call).

f) Switch the On/Off switch to the "On" position. The

"power on" neon will illuminate.

g) Turn the thermostat dial to the required setting.

The "heat" neon will illuminate.

WARNING AVOID CONTACT WITH THE FLUE. SURFACES ARE VERY HOT AND WILL CAUSE BURNS.

DO NOT OBSTRUCT FLUE OPENING.

Model Maximum Capacity DEE-20 75 Litres DEE-40 150 Litres DEE-60 225 Litres

To prevent surge boiling, no more than 80% of the maximum capacity should be used.

7.2.4 Users Thermostat

Provides automatic control of the Kettle Jacket temperature at settings up to 147/ C maximum.

7.2.5 Sequence of Operation

The following “action-reaction” outline is provided to help the user understand how the equipment works.

As soon as the thermostat senses that the kettle is cooling below the set point, the thermostat switch closes, the heating indicator light comes on, the contactors close, and the heaters come on again. Onoff cycling continues, keeping the kettle at the set temperature. This is why the heating indicator light cycles on and off during normal operation. Every time the kettle is tilted, the tilt cut-off switch interrupts the power supply to the heaters, so that the heating elements will not operate while not submerged in the jacket water.

7.2.2 To Shut Down Kettle

a. Turn the thermostat dial to the "Off'' position.

b. Switch the On/Off switch to the "Off" position.

c. For a prolonged shut down, turn the electricity main

off.

Follow steps a and b.

7.2.3 Filling the Kettle

Prior to operation, thoroughly clean the kettle using hot water and detergent.

Kettle capacities:

If steam pressure greater than 50 PSIG is generated in the jacket, the safety valve will open and relieve the excess pressure.

If the jacket water level gets too low before the heating elements overheat, the high-limit control will open and shut off power to the elements until the kettle cools.

Setting the operating thermostat dial to “OFF” shuts down all control and heating circuits.

7.2.6 To Empty Kettle

7.2.6.1DEE/4 and DEE/4T Kettles

To tilt the body of the kettle forward, turn the hand crank on the front of the cabinet anti-clockwise. The body will stay in the position it holds when you stop

Page 19

turning the handle. To return the body to the upright position, turn the crank clockwise.

7.2.6.2DEE/4T Kettle Only

Turn the handle on the tangent draw-off valve anticlockwise. After approximately 3-1/2 turns the valve handle can be pulled forward so that full flow is achieved. To close the tangent draw-off valve, push the handle inward until the threads on the valve stem engage. Turn the handle clockwise until the valve is closed. Do not over-tighten since over-tightening may damage the valve seat.

OM/SM-DEE (CE)

WARNING DO NOT STAND IN FRONT OF THE KETTLE BODY WHEN TILTING IT. BE CAREFUL TO KEEP HOT CONTENTS FROM SPILLING. ENSURE PEOPLE ARE KEPT AWAY FROM THE KETTLE WHEN EMPTYING THE KETTLE.

7.2.7 Power Failure

If the power to the unit fails do not attempt to operate the appliance until the electricity supply is reestablished.

When the power comes back on follow the steps in Paragraph 8.2.1 Initial Kettle Operational Readiness Check.

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OM/SM-DEE (CE)

7.3.1 Suggested Tools:

a. Cleaner, such as Klenzade HC-10 or HC-32

from ECOLAB, Inc.

b. Kettle brushes in good condition.

c. Sanitizer such as Klenzade XY-12.

d. Film remover such as Klenzade LC-30.

7.3.2 Precautions

Before cleaning, shut off the kettle by turning the thermostat dial to “OFF,” and shut off all electric power to the unit at a remote switch, such as the circuit breaker.

7.3 - Cleaning

WARNING KEEP WATER AND SOLUTIONS AWAY FROM CONTROLS AND ELECTRICAL EQUIPMENT. NEVER SPRAY THE SUPPORT HOUSING OR ELECTRICAL CONNECTIONS.

CAUTION MOST CLEANERS ARE HARMFUL TO THE SKIN, EYES, MUCOUS MEMBRANES, AND CLOTHING. PRECAUTIONS SHOULD BE TAKEN. WEAR RUBBER GLOVES, GOGGLES OR FACE SHIELD, AND PROTECTIVE CLOTHING. READ THE WARNINGS AND FOLLOW THE DIRECTIONS ON THE LABEL OF THE CLEANER CAREFULLY

7.3.3 Procedure

a. Clean food-contact surfaces as soon as

possible after use, preferably while the kettle is still hot. If the unit is in continuous use, thoroughly clean and sanitize the interior and exterior at least once every 12 hours.

b. Scrape and flush out food residues. Do not

scratch the kettle with metal implements.

c. Prepare a hot solution of the detergent/ cleaning

compound as instructed by the supplier. Clean the unit thoroughly. A cloth moistened with cleaning solution can be used to clean controls, housings, and electrical conduits.

d. Rinse the kettle and draw-off parts thoroughly

with hot water, then drain completely. Keep draw-off parts together. They are not interchangeable.

Use only a sponge, cloth or plastic brush to clean the kettle.

Scrapers or steel wool can harm the kettle surface.

e. When you reassemble the draw-off valve, hand-

tighten only.

f. As part of the daily cleaning program, clean

soiled external and internal surfaces. Remember to check the sides and bottom of the unit and control housing.

g. To remove materials stuck to the unit, use a

brush, sponge, cloth, plastic or rubber scraper, or plastic wool with the cleaning solution. To reduce effort required in washing, let the detergent solution sit in the kettle and soak into the residue. Do NOT use abrasive materials or metal tools that might scratch the surface. Scratches make the surface harder to clean and provide places for bacteria to grow. Do NOT use steel wool, which may leave particles in the surface and cause eventual corrosion and pitting.

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h. The outside of the unit may be polished with a

stainless steel cleaner or hot water and detergent.

i. 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. Following the supplier’s instructions, apply the agent after the unit has been cleaned and drained. Rinse off the sanitizer thoroughly.

OM/SM-DEE (CE)

l. If especially difficult cleaning problems persist,

contact your cleaning product representative for assistance.

7.3.4 Service-Periodic Maintenance

A Maintenance and Service Log is attached. Each time maintenance is performed on your Groen equipment, enter the date on which the work was done, what was done and who did it. File the log with the warranty. Periodic inspection can minimize equipment down time and increase the efficiency of operation. The following points should be checked regularly:

NOTICE NEVER LEAVE A CHLORINE SANITIZER IN CONTACT WITH STAINLESS STEEL SURFACES LONGER THAN 30 MINUTES. LONGER CONTACT CAN CAUSE STAINING AND CORROSION.

j. It is recommended that each piece of equipment

be sanitized just before use.

k. If it is hard to remove mineral deposits or film

left by hard water or food residues, clean the kettle thoroughly and use a deliming agent, such as Groen Delimer/Descaler (P/N 114800) or Lime-Away from Ecolab Inc., in accordance with the manufacturer’s directions. Rinse and drain the unit before further use.

The pressure/vacuum gauge should show a vacuum of 20 to 30 inches when the kettle is cold. If it does not, the unit requires servicing.

The jacket water level should be between the gauge glass marks. If it is not, the unit requires servicing.

Keep electrical wiring in good condition.

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OM/SM-DEE (CE)

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.

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OM/SM-DEE (CE)

Parts Lists

Key Description Part No. Key Description Part No.

1 Contactor (See Note) — 26 #10-24 Hex Cap Nut 005470 2 Safety Valve, 50 PSI ¼” NPT 005587 27 Glass Gauge Rod Guard 002981

Safety Valve, 50 PSI ½”NPT 097005 28 ¼” Diameter Roll Pin 1" Long 012614 3 ½” NPT Street Elbow 010668 29 Handle Crank 013617 4 2” Draw-Off Valve, Complete 009000 30 Rubber Grommet 000453 5 Valve Handle 009029 31 Handwheel Shaft ¾” dia 20,40 & 60 013624 6 Wing Nut #10-24 009028 32 Basic Retaining Ring 013483 7 Valve Stem 009027 33 Ball Bearing 009765

Valve Stem 2" 009048 34 Worm Gear 012026 8 Valve Bonnet 009024 35 Warrick Relay 115 Volt 010412 9 Rubber “O” Ring 009034 36 Warrick Relay 220 Volt 010410

10 Sanitary Hex Nut 008911 37 Gear 92 Teeth 3" Bore 013609

Sanitary Hex Nut 2" 009354 38 Socket Set Screw 005097

11 Transformer (480 Volt 3 Phase only) 012827 39 3/8” x 3/8” x 1-3/8” Key Stock 001474 12 #BAF Fuse (480 Volt 3 Phase only) 002651 40 Cylindrical Bearing 009764 13 Pressure Limit Control 096963 41 Grease Fitting 012100 14 Thermostat Knob 013682 42 Gauge Glass Connector (before 011202 15 Electric Thermostat 009730 July 15, 1974) 16 Water Level Electrode (Warrick) 002170 43 ½” 14 NPT Square Plug Head 011146 17 #SC-3 Fuse 002945 (before July 15, 1974) 18 Fuse Holder 002944 44 Indicator Lamp Assembly Complete 008598 19 Indicator Light 250 Volt 016028 (before 1976) 115 Volt 20 Pressure Gauge 001594 45 Indicator Lamp Bulb (before 1976) 001524 21 Sight Glass Fitting 002845 46 Lens, Lamp Red (before 1976) 010894 22 Rubber Gauge Glass Gasket 008917 47 Indicator Lamp Assembly Complete — 23 Washer with Item #21 — (before 1976) 230 Volt 24 Hex nut with Item #21 — 48 Control Housing 002961 25 Water Gauge Glass 4¾” Long 008742 49 Flex Conduit 044770

The following parts are unique to the CE Model DEE Kettle.

Qty. Description Part Qty Description Part No.

1 Tilt Switch & Bracket Assembly 123638 1 Label, incoming power terminal 122006

1 Bracket 014129 1 Label, Wiring Diagram 123492 1 Switch, Micro 002982 1 Insulation Barrier 003490 1 Light, Indicator Red 116381 2 Screw, Rd. Hd. Machine #4-40 003122 2 Light, Indicator Amber 116382 2 Washer, Lock #6 013418 1 Switch, Toggle, CE 122004 2 Nut Hex #4-40 003121

1 Equipotential Terminal Assembly 122021

1 Panel, Controls DEE 123473 1 Label, Equipotential Terminal 113078 1 Water Level Sensor 117737 1 Base Relay Sensor 117738 1 Plug, Hole 002008 1 Contactor 122042 1 Terminal Block 096810 1 Thermostat Knob 122000 1 Fuse Block 077854 1 Fuse 079965 1 Wiring Harness – Power 123555 1 Label, Fuse 102251 1 Wiring Harness – Control 123556

Note: To order a new contactor, specify the part number on the old contactor.

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OM/SM-DEE (CE)

Electric Schematic

Page 25

OM/SM-DEE (CE)

Service Log

Model No._______________________________ Purchased From _________________________ Serial No. _______________________________ Location ________________________________ Date Purchased __________________________ Date Installed ___________________________ Purchase Order No. ______________________ For Service Call __________________________

Date Service Performed Performed By

Page 26

Limited Warranty To Commercial Purchasers*

(for Areas Outside of the U.S. and Canada)

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 twelve months from date of installation or eighteen months from date of shipment with the following conditions and subject to the following limitations.

I. This parts warranty is limited to Groen Equipment sold to the original commercial purchaser/users (but

not original equipment manufacturers), at its original place of installation, in areas outside the U.S. and Canada.

II. 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 parts, at Groen's sole election, for

any Groen Equipment, including but not limited to, draw-off valves, safety valves, gas and electric components, found to be defective during the warranty period.

IV. This warranty does not cover boiler maintenance, calibration, or 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.

THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED 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 Food Service Equipment Ordered After October 1,1995)

Page 27

1055 Mendell Davis Drive Jackson, MS 39272 Telephone 601 372-3903 Fax 601 373-9587

OM/SM-DEE-CE

Part Number 127730

INTERNATIONAL

Revised 6/99

Groen DEE series, DEE/20, DEE/40, DEE/60 Operator's And Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual