Groen DHS Operation Manual
IMPORTANT INFORMATION
IMPORTANT INFORMATION �
IMPORTANT INFORMATION IMPORTANT INFORMATION
OPERATOR MANUAL
OPERATOR MANUAL OM-DHS
Part Number 137920 Rev. B
Part Number 137920-Rev A. DOMESTIC
� KEEP FOR OPERATOR
KEEP FOR OPERATOR �
KEEP FOR OPERATOR KEEP FOR OPERATOR
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� IMPORTANT INFORMATION
IMPORTANT INFORMATION
IMPORTANT INFORMATION IMPORTANT INFORMATION
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MODEL: DHS
Low Height Steam
Jacketed Kettle
[with Standard Electronic Ignition]
Self-Contained
Stainless Steel
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.
OM-DHS
OMS-DHS
IMPORTANT — READ FIRST — IMPORTANT
WARNING: FAILURE TO DISCONNECT POWER BEFORE SERVICING COULD RESULT IN
ELECTROCUTION AND DEATH.
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.
WARNING: THE UNIT MUST BE INSTALLED BY PERSONNEL QUALIFIED TO WORK WITH
GAS, ELECTRICITY AND PLUMBING. UNIT MUST BE INSTALLED IN
ACCORDANCE WITH ALL APPLICABLE CODES.
WARNING: DO NOT ATTACH THE UNIT TO A TYPE “B” VENT. IT COULD CAUSE FIRE OR
PROPERTY DAMAGE.
WARNING: DO NOT CONNECT ANY PIPING TO THE PRESSURE RELIEF VALVE. IT MUST BE
FREE TO VENT STEAM AS NEEDED. TO AVOID BURNS FROM THE VENTED
STEAM THE VALVE DISCHARGE SHOULD POINT DOWNWARD. IMPROPER
INSTALLATION WILL VOID WARRANTY.
DANGER: ELECTRICALLY GROUND THE UNIT AT THE TERMINAL PROVIDED. FAILURE TO
GROUND THE UNIT COULD RESULT IN ELECTROCUTION AND DEATH.
CAUTION: BE SURE ALL OPERATORS READ, UNDERSTAND AND FOLLOW THE OPERATING
INSTRUCTIONS, CAUTIONS AND SAFETY INSTRUCTIONS CONTAINED IN THIS
MANUAL.
CAUTION: DO NOT OVERFILL THE KETTLE WHEN COOKING, HOLDING OR CLEANING.
KEEP LIQUIDS A MINIMUM OF 2-3" (5-8 CM) BELOW THE KETTLE BODY RIM TO
ALLOW CLEARANCE FOR STIRRING, BOILING AND SAFE TRANSFER OF
PRODUCT.
CAUTION: KEEP FLOORS IN FRONT OF KETTLE WORK AREA CLEAN AND DRY. IF SPILLS
OCCUR, CLEAN IMMEDIATELY TO AVOID SLIPS OR FALLS.
WARNING: KEEP WATER AND SOLUTIONS OUT OF CONTROLS AND BURNERS. NEVER USE
A HIGH PRESSURE HOSE TO CLEAN KETTLE SURFACES.
CAUTION: MOST CLEANERS ARE HARMFUL TO THE SKIN, EYES, MUCOUS MEMBRANES
AND CLOTHING. TAKE PRECAUTIONS: WEAR RUBBER GLOVES, GOGGLES OR
FACE SHIELD AND PROTECTIVE CLOTHING. CAREFULLY READ WARNINGS
AND FOLLOW DIRECTIONS ON CLEANER LABELS .
WARNING: DO NOT STAND ON OR APPLY UNNECESSARY WEIGHT OR PRESSURE ON THE
KETTLE FRONT OR POURING LIP. THIS COULD RESULT IN THE OVERLOAD AND
FAILURE OF THE TILT MECHANISM, AND POSSIBLE SERIOUS INJURY AND
BURNS TO THE OPERATOR AND OTHERS.
NOTICE: NEVER LEAVE A SANITIZER IN CONTACT WITH STAINLESS STEEL SURFACES
LONGER THAN 10 MINUTES. LONGER CONTACT CAN CAUSE CORROSION.
WARNING: FAILURE TO PERIODICALLY CHECK PRESSURE RELIEF VALVE OPERATION
COULD RESULT IN PERSONAL INJURY AND/OR DAMAGE TO EQUIPMENT.
WARNING: WHEN TESTING, AVOID EXPOSURE TO THE STEAM BLOWING OUT OF THE
PRESSURE RELIEF VALVE. DIRECT CONTACT COULD RESULT IN SEVERE
BURNS.
WARNING: TO AVOID INJURY, READ AND FOLLOW ALL PRECAUTIONS STATED ON THE
LABEL OF THE WATER TREATMENT COMPOUND.
WARNING: BEFORE REPLACING ANY PARTS, DISCONNECT THE UNIT FROM THE ELECTRIC
POWER SUPPLY AND CLOSE THE MAIN GAS VALVE. ALLOW FIVE MINUTES FOR
GAS TO VENT.
CAUTION: USE OF ANY REPLACEMENT PARTS OTHER THAN THOSE SUPPLIED BY GROEN
OR AUTHORIZED DISTRIBUTORS CAN CAUSE INJURY TO THE OPERATOR AND
DAMAGE TO THE EQUIPMENT AND WILL VOID ALL WARRANTIES.
WARNING: KEEP AREA AROUND KETTLE FREE AND CLEAR OF ALL COMBUSTIBLE
MATERIALS. FAILURE TO DO SO COULD RESULT IN FIRE OR PROPERTY
DAMAGE.
CAUTION: HEATING AN EMPTY KETTLE MAY CAUSE THE RELEASE OF STEAM FROM THE
PRESSURE RELIEF VALVE.
IMPORTANT: SERVICE PERFORMED BY OTHER THAN FACTORY AUTHORIZED PERSONNEL
WILL VOID ALL WARRANTIES.
2
OM-DHS
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. ANY OTHER USE COULD RESULT IN SERIOUS PERSONAL
INJURY OR DAMAGE TO THE EQUIPMENT AND WILL VOID WARRANTY.
WARNING: AVOID ALL DIRECT CONTACT WITH HOT EQUIPMENT SURFACES. DIRECT SKIN
CONTACT COULD RESULT IN SEVERE BURNS.
WARNING: AVOID ALL DIRECT CONTACT WITH HOT FOOD OR WATER IN THE KETTLE.
DIRECT CONTACT COULD RESULT IN SEVERE BURNS.
WARNING: WHEN TILTING KETTLE FOR PRODUCT TRANSFER:
1) USE CONTAINER DEEP ENOUGH TO CONTAIN AND MINIMIZE SPLASHING.
2) PLACE CONTAINER ON STABLE, FLAT SURFACE, AS CLOSE TO KETTLE AS
POSSIBLE.
3) DO NOT OVER FILL CONTAINER. AVOID DIRECT SKIN CONTACT WITH HOT
CONTAINER AND ITS CONTENTS.
3
OM-DHS
OMS-DHS
Table of Contents
IMPORTANT OPERATOR WARNINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
REFERENCES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
EQUIPMENT DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
INSPECTION & UNPACKING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
INSTALLATION & INITIAL START UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
SEQUENCE OF OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
CLEANING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
ELECTRICAL SCHEMATIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
SERVICE LOG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
WARRANTY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
REFERENCES
CSA INTERNATIONAL AMERICAN NATIONAL STANDARDS INST.,INC
8501 East Pleasant Valley Road 1430 Broadway
Cleveland, Ohio 44131 New York, New York 10018
NATIONAL SANITATION FOUNDATION Z223.1-1984-National Fuel Gas Code
3475 Plymouth Road Z21.30 - Installation Gas Appliances & Piping
Ann Arbor, Michigan 48106
KLENZADE SALES CENTER ECOLAB, Inc. NATIONAL FIRE PROTECTION ASSOCIATION
370 Wabasha 60 Battery March Park
St. Paul, Minnesota 55102 Quincy, Massachusetts 02269
ZEP MANUFACTURING COMPANY NFPA/54-Installation Gas Appliances & Piping
1310-T Seaboard Industrial Boulevard NFPA/70-The National Electric Code
Atlanta, Georgia 30318
OMS-DHS
Table of Contents
IMPORTANT OPERATOR WARNINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
REFERENCES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
EQUIPMENT DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
INSPECTION & UNPACKING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
INSTALLATION & INITIAL START UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
SEQUENCE OF OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
CLEANING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
ELECTRICAL SCHEMATIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
SERVICE LOG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
WARRANTY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
REFERENCES
CSA INTERNATIONAL AMERICAN NATIONAL STANDARDS INST.,INC
8501 East Pleasant Valley Road 1430 Broadway
Cleveland, Ohio 44131 New York, New York 10018
NATIONAL SANITATION FOUNDATION Z223.1-1984-National Fuel Gas Code
3475 Plymouth Road Z21.30 - Installation Gas Appliances & Piping
Ann Arbor, Michigan 48106
KLENZADE SALES CENTER ECOLAB, Inc. NATIONAL FIRE PROTECTION ASSOCIATION
370 Wabasha 60 Battery March Park
St. Paul, Minnesota 55102 Quincy, Massachusetts 02269
ZEP MANUFACTURING COMPANY NFPA/54-Installation Gas Appliances & Piping
1310-T Seaboard Industrial Boulevard NFPA/70-The National Electric Code
Atlanta, Georgia 30318
NSF INTERNATIONAL
789 N. Dixboro Rd.
P.O. Box 130140
Ann Arbor, Michigan 48113-0140
4
Equipment Description
The Groen DHS is a floor-mounted, tilting, steam
jacketed kettle with a thermostatically controlled,
self-contained, gas-heated steam source and
appropriate controls, mounted on a sturdy base.
The Model DHS is available in 40 gallon
capacities.
The body of the DHS 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
which is ASME shop inspected and registered
with the national board for working pressures up
to 50 PSI. Kettle finish is 180 emery grit on the
inside and bright high buff polish on the outside.
The kettle is 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. Standard DHT units include a two inch
tangent draw-off valve.
The self-contained steam source is heated by
propane or natural gas. Electronic spark to pilot
ignition is standard for all units.
The kettle is filled at the factory with water which
contains rust inhibitors. The steam source
provides kettle temperatures of 150º to
approximately 295ºF (65 to 150ºC). Unit
controls include a thermostat, pressure gauge,
safety valve, pressure limit control, low water
cut-off, power switch and gas regulator valve.
The gas supply shuts off automatically when the
kettle is tilted.
The unit must be specified for use with natural or
propane gas. Service connections for gas and
electricity are required. Standard power supply is
115 Volt.
KETTLE CHARACTERISTICS
DHS-40 DHS/T-40
Kettle Capacity
40 gal.
(150 ltr)
40 gal.
(150 ltr)
Tangent drawoff No Yes
Jacket Capacity
14 gal.
(53 ltr)
14 gal.
(53 ltr)
Kettle Body
Diameter
30 in.
(762 mcm)
30 in.
(762 mm)
Base Width
47 in.
(1194 mm)
47 in.
(1194 mm)
Base Front to
Back
29
(736 mm)
29
(736 mm)
Firing Rate - per
hour
150,000 BTU 150,000 BTU
Energy into
Product per hr.
82,000 BTU 82,000 BTU
Options available with listed models are:
1. Two inch tangent drawoff*
2. Strainers, solid disk (P/N 013783), ¼” (P/N
009944) or
c
cc
c ” perforations (P/N 13785).
3. No. 31 lift-off cover(P/N 001116)
4. No. 51 counterbalanced cover w/actuator*
5. Basket Inserts (Tri-BC)
6. Water fill faucets with swing spout (P/N
009054)
7. Kettle Brush Kit (P/N 104278)
8. 316 Stainless steel interior* (Must be
indicated on initial order)
9. Gallon etch marks*
10. Automatic, metered water filler.
11. Powerd agitators (TA/3 or INA/2)*
* Factory-installed options
OM-DHS
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OM-DHS
OMS-DHS
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 polyester straps 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 hidden damage.
Report any shipping damage or incorrect
shipments to the delivery agent.
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 WEIGHS BETWEEN 535 AND
880 POUNDS (245 TO 400 Kg) DEPENDING
ON SIZE. INSTALLER SHOULD USE
PROPER EQUIPMENT TO LIFT 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.
6
The open end of the pop safety valve elbow
must face downward.
Installation &Initial Start-Up
For efficient performance the DH kettle must be
installed in a well-ventilated area. Items which might
restrict or obstruct the flow of air for combustion and
ventilation must be removed. The area directly
around the appliance must be free of combustible
materials.
WARNING
THE KETTLE MUST BE INSTALLED BY
PERSONNEL QUALIFIED TO WORK WITH
ELECTRICITY AND PLUMBING. IMPROPER
INSTALLATION CAN RESULT IN INJURY TO
PE RS O N N E L AN D / OR D A M A GE T O
EQUIPMENT.
1. Installation on combustible floors is allowed.
Rear clearance of 10 inches and two inches at
both sides is required for both combustible and
non-combustible construction. A 10" clearance
or access on the right side is recommended for
service.
2. The installation must conform with local codes or
the American National Standards Z223.1(current edition) National Fuel Gas Code. The
kettle should be installed in an adequately
ventilated room with provision for adequate air
supply. The ventilation employ must employ a
vent hood and exhaust fan with no direct
connection between the vent duct and the kettle
flue. Do not obstruct the flue or vent duct after
installation.
3. Set the kettle in place and level it using a spirit
level on the bar rim, by turning the bullet feet to
adjust leg length. Allow clearance around the
unit for cleaning, maintenance and service.
Clearances For DHS-40
Required Recommended
Left Side 6" 6"
Right Side 6” 10" (for service)
Rear 10" 10" (for tilting)
4. Complete the piping to the gas service main with
½” line or approved equivalent.
5. For standard units, provide 115 vac, 60 Hz,
single phase 5 AMP electrical service. Local
codes and/or The National Electrical Code
should be observed in accordance with
ANSI/NFPA 70 - (current edition). Use the wiring
diagram inside the service panel and in this
manual.
6. Bring electrical service through the entrance at
the rear of the support housing with a ½ inch
conduit connector. Make a watertight connection
with the incoming lines, utilizing the water
resistant conduit fitting provided on the unit.
DANGER
ELECTRICALLY GROUND THE UNIT AT THE
TERMINAL PROVIDED. FAILURE TO GROUND
UNIT COULD RESULT IN ELECTROCUTION
AND DEATH.
7. Electrically ground the unit at the terminal
provided.
8. After the kettle has been connected to the gas
supply, check all gas joints for leaks. DO NOT
USE FLAME TO CHECK FOR LEAKS. A thick
soap solution or electronic gas leak detector
should be employed.
9. PRESSURE TEST WARNING
a) Test pressure exceeding ½ PSIG (3.45kPa).
During pressure testing of the gas supply
piping system at pressures exceeding ½ ,
the appliance and its individual shutoff valve
Must be disconnected from the gas supply
b)Test pressure equal to or less than ½ PSIG
(3.45kPa.) During pressure testing of the gas
supply piping system at pressures equal to or
less than ½ PSIG, the kettle must be isolated
from the gas supply piping system by closing
Its individual manual shutoff valve.
10. Make sure the water level is correct in the jacket,
by confirming that the level is near the middle of
the sight glass. If the water level is low, follow
the instructions in Jacket Filling and Water
Treatment in the maintenance section of this
manual.
OM-DHS
7
OM-DHS
OMS-DHS
8
WARNING
DO NOT CONNECT ANY PIPING TO THE
PRESSURE RELIEF VALVE. THE VALVE MUST
BE FREE TO VENT STEAM AS NEEDED.
IMPROPER INSTALLATION WILL VOID THE
WARRANTY!
THE ELBOW ATTACHED TO THE SAFETY
VALVE MUST POINT TO THE FLOOR.
When attaching the draw-off valve hand-tighten the
nut.
WARNING
D O N O T S T A N D O N O R A P P L Y
UNNECESSARY WEIGHT OR PRESSURE ON
THE KETTLE FRONT OR POURING LIP. THIS
COULD RESULT IN THE OVERLOAD AND
FAILURE OF THE TILT MECHANISM, AND
POSSIBLE SERIOUS INJURY AND BURNS TO
THE OPERATOR AND OTHERS.
11. The open end of the elbow on the outlet of the
pressure relief valve must face downward. If it
does not, turn it to the correct position.
12. (For units with optional tangent drawoff).Assemble the tangent draw-off by placing the
large nut over the draw-off valve and inserting it
into the draw-off tube. ONLY HAND-TIGHTEN
THE NUT to complete installation.
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.
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 1-2 quarts of water into the kettle.
6. Following “To Start Kettle” instructions in the
“Operation” section (Page 9), begin heating the
water at the highest thermostat setting. The heat
indicator light should come on, and heating
should continue until the water boils.
If the unit functions as described it is ready for use. If
it does not function as described, contact your local
Groen Certified Service Agency.
Correct Water Level
8
Operation
A. Controls
Operator controls for the DHS 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.
3. Thermostat dial, which turns the thermostat on or
off, and sets the kettle temperature.
4. Tilting crank, used to tilt the kettle body.
5. Indicator Lights to alert operator of unit
conditions:
a. Power On Indicator - shows that the unit is
turned on
b. Heat Indicator - indicates that main gas is on
to produce steam in the kettle jacket.
c. Low Water indicator - shows that jacket
water is low
6. Unit gas pressure regulator adjustment - located
behind the access door in the kettle skirt.
B. Operating Instructions
1. To Start Kettle Heating:
a. EVERY DAY make sure that the jacket water
level in the middle of the sight glass. If the
level is too low, see “Jacket Filling and
Water Treatment” on page 13.
b. Check the pressure/vacuum gauge. If the
gauge does not show 20 to 30 inches of
mercury (Hg) vacuum (that is a reading of 20
to 30 below 0 atmospheric pressure), see
“Jacket Vacuum” on page 13.
c. Do not attempt to light any burner with a
flame.
d. Turn the manual gas valve ON (align handle
with gas line).
e. Turn toggle (on-off) switch ON. The
electronic ignition will attempt to light the pilot
for 90 seconds, or until it is lit. Once lit
proceed to step two.
f. Turn thermostat to desired setting. The main
gas burner will ignite, and will cycle to
maintain the set temperature. The heat
indicator light will come on.
g. If the unit does not light, turn it off and wait
five minutes. Then follow the instructions
again.
2. To Empty Kettle Or To Transfer Product:
a. To tilt the body of the kettle forward, turn the
hand crank on the front of the cabinet
counter-clockwise. The body will stay in the
position it holds when you stop cranking. To
return the kettle body to its upright position,
turn the crank clockwise.
b. Product may also be transferred by means of
the optional draw-off valve, if the kettle is so
equipped.
3. To Stop Kettle Heating:
a. Turn thermostat dial to OFF.
b. Turn toggle switch to OFF.
c. For a prolonged shut-down:
1. Follow the procedure above.
2. Turn the manual gas valve off (handle at
right angles to gas line).
OM-DHS
9
OM-DHS
OMS-DHS
3. Disconnect electric power from the unit.
WARNING
WHEN TILTING KETTLE:
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 RIGHT OF KETTLE WHILE
POURING — NOT DIRECTLY IN POUR
PATH OF HOT CONTENTS.
5) P OU R S L O W L Y , M AI N T A IN IN G
CONTROL OF KETTLE, AND RETURN
KETTLE BODY TO UPRIGHT POSITION
AFTER CONTAINER IS FILLED OR
TRANSFER IS COMPLETE.
6) DO NOT OVERFILL CONTAINER.
AVOID SKIN CONTACT WITH HOT
CONTAINER AND ITS CONTENTS.
4. To Relight Kettle
a. Close main gas supply valve.
b. Set on-off switch to OFF.
c. Set thermostat to OFF.
d. Wait five minutes, then proceed as directed
under To Start Kettle Heating.
5. If Power Fails:
a. Do not attempt to operate the unit until
electric power is restored.
b. When power comes back on, follow
directions “To Start Kettle,” above.
C. Use of 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.
It helps retain heat and reduces the heat and
humidity in the kitchen. A cover can reduce
some product cook times and help maintain the
temperature, color and texture of products 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 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.
WARNING
AVOID ALL DIRECT CONTACT WITH HOT
SURFACES AND HOT FOOD OR WATER
IN THE KETTLE. DIRECT CONTACT
COULD RESULT IN SEVERE BURNS.
When removing a lift-off cover:
a. Firmly grasp the handle, and lift the rear
edge (farthest from operator) 1-2” (3-5 cm)
to allow steam and water vapor to escape.
Wait 2-3 seconds.
b. Tilt cover to 45-60° angle to allow any hot
condensate or product to roll off cover back
into kettle.
c. Remove cover, ensuring that remaining hot
condensate or product does not drip on
operator, floor or work surfaces.
d. Place cover on safe, flat, sanitary, out-of-the-
way surface, or return to kettle.
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 (Tri-BC) will
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,
(approx. ¼” (6 mm). This includes rice and small
pasta shapes.
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