OPERATOR MANUAL
IMPORTANT INFORMATION, KEEP FOR OPERATOR
This manual provides information for:
MODEL
DHS(/T)-40(C,A)
DHS(/T)-40 &
Domestic
LOW HEIGHT STEAM
JACKETED KETTLE
With Standard Electronic Ignition
· Self-Contained · Stainless Steel
· Floor Mounted · Gas Heated
· 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 ammable 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 o 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. Unied 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 le
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 174846, REV. C (07/17)
1055 Mendell Davis Drive
Jackson, MS 39272
888-994-7636, fax 888-864-7636
unifiedbrands.net
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 5 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.
2 OM-DHS
IMPORTANT - READ FIRST - IMPORTANT
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.
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.
WARNING: DO NOT HEAT AN EMPTY KETTLE. EXCESSIVE STEAM PRESSURE COULD DEVELOP.
OM-DHS 3
Table of Contents
Important Operator Warnings .....................................................page 2-3
References.................................................................................... page 4
Equipment Description................................................................... page 5
Inspection and Unpacking ............................................................ page 6
Installation .................................................................................. page 7-8
Initial Start-Up................................................................................ page 9
Operation ................................................................................ page 10-13
Sequence of Operation ................................................................ page 14
Cleaning........................................................................................ page 15
Maintenance........................................................................... page 16-18
Troubleshooting..................................................................... page 19-20
Parts Lists ............................................................................ page 21-34
Wiring Diagram ..................................................................... page 35-36
Service Log .................................................................................. page 37
References
UNDERWRITERS LABORATORIES, INC.
333 Pngsten Road
Northbrook, IL 60062
NSF INTERNATIONAL
P.O Box 130140
789 N. Dixboro Road
Ann Arbor, MI 48105, USA
NFPA – NATIONAL FIRE PROTECTION ASSOCIATION
1 Batterymarch Park
Quincy, MA 02169
ANSI – AMERICAN NATIONAL STANDARDS INSTITUTE
1899 L Street, NW, 11th Floor
Washington, DC 20036
CSA INTERNATIONAL
178 Rexdale Blvd.
Toronto, ON
Canada M9W1R3
ICC – INTERNATIONAL CODE COUNCIL
500 New Jersey Avenue, NW
6th Floor, Washington, DC 20001
4 OM-DHS
Equipment Description
KETTLE CHARACTERISTICS
Kettle
Capacity
Tangent
Drawo
Jacket
Capacity
Kettle Body
Diameter
Base Width
Base Front
to Back
Firing Rater
Per Hour
Energy into
Product Per
Hour
(762 mm)
(1194 mm)
(736 mm)
DHS-40
(C,A)
40 gal
(150 ltr)
No Yes
14 gal
(53 ltr)
30 in
47 in
29 in
150,000
BTU
82,000
BTU
82,000 BTU
DHS/T-40
(C,A)
40 gal
(150 ltr)
14 gal
(53 ltr)
30 in
(762 mm)
47 in
(1194 mm)
29 in
(736 mm)
150,000
BTU
The Groen DHS is a floor-mounted, tilting, steam jacketed kettle with an electronically
controlled, self-contained, gas-heated steam source and appropriate controls, mounted
on a sturdy base. The Model DHS is currently only available in a 40 gallon capacity.
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. A u-shaped frame with four stainless steel tubular
legs support the unit. Bullet feet on each of the legs can be adjusted to level the kettle.
Models with a “T” suffix are supplied with 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 temperature controller, pressure gauge, safety valve, pressure limit
control, low water cut-off, power switch and gas regulator valve. The gas burner 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 120 VAC.
Available Options:
1. Two inch tangent drawoff*
2. Strainers, solid disk (P/N 013783), 1/4” (P/N 009044) or 1/8” perforations
(P/N 013875)
3. No. 31 lift-off cover(P/N 004282)
4. No. 51 counterbalanced cover w/actuator* (P/N 148287)
5. Basket Inserts (Tri-BC) (P/N 140527)
6. Water fill faucets with swing spout
7. Kettle Brush Kit (P/N 104278)
8. Gallon or Liter etch marks*
9. Automatic, metered water filler
*Factory-installed options
OM-DHS 5
Inspection & Unpacking
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.
CAUTION
THIS UNIT WEIGHS BETWEEN 535 AND
880 POUNDS (245 TO 400 Kg) DEPENDING
ON SIZE. INSTALLER SHOULD USE
PROPER EQUIPMENT TO LIFT SAFELY.
The unit will arrive bolted or banded to a skid. Immediately upon receipt, inspect the unit
carefully for exterior damage. Carefully remove the crating around 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.
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 OM-DHS
Installation
WARNING
THE UNIT MUST BE INSTALLED BY
PERSONNEL WHO ARE QUALIFIED TO WORK
WITH GAS, 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. THE UNIT MUST BE
INSTALLED BY A LICENSED PLUMBER OR
GAS FITTER WHEN INSTALLED WITHIN THE
COMMONWEALTH OF MASSACHUSETTS.
DANGER
ELECTRICALLY GROUND THE UNIT AT
THE TERMINAL PROVIDED. FAILURE
TO GROUND UNIT COULD RESULT IN
ELECTROCUTION AND DEATH.
For efficient performance the DHS 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.
1. Installation can be on a combustible or noncombustible floor. Clearances should be
per table below.
Left
Side
Right
Side
Rear
Minimum Clearance
from Combustible walls
6 in 0 in 6 in
6 in 0 in 10 in
10 in 10 in 12 in
Minimum Clearance from
Non-Combustible walls
Recommended
Clearances
2. The kettle should be installed in an adequately ventilated room with provision for
adequate air supply. The ventilation 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 or flange feet to adjust leg length. Allow clearance around the unit for
cleaning, maintenance and service.
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.
Observe local codes and/or The National Electrical Code in accordance with ANSI/
NFPA 70 (current edition), or the Canadian Electrical Code, CSA C22.2 (current
edition), as applicable. Use the wiring diagram inside the service panel and at the
rear of 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.
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 other suitable
leak detector should be employed.
OM-DHS 7
Installation
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 PRESSURE RELIEF VALVE MUST
POINT TO THE FLOOR.
The open end of the pressure
relief valve elbow must face downward
9. The gas supply and unit’s installation must conform with local codes or in the
absence of local codes, with the National Fuel Gas Code, ANSI Z223.1/NFPA
54 (current edition), or the Natural Gas and Propane Installation Code CSA
149.1(current edition), as applicable. Additionally following must be complied
with: THE AREA DIRECTLY AROUND THE APPLIANCE MUST BE CLEARED OF ALL
COMBUSTIBLE MATERIAL. FAILURE TO FOLLOW THESE INSTRUCTIONS CAN CAUSE
BODILY INJURY AND /OR PROPERTY DAMAGE. The appliance and its individual
shut-off valve must be disconnected from the gas supply piping system during any
testing at pressures in excess of ½ PSI (3.45 kPa). The appliance must be isolated
from the gas supply piping system by closing its individual manual shut-off valve
during any pressure testing at or less than ½ PSI (3.45 kPa).
10. Confirm that the jacket water level is between the gauge glass markers or inside
the sight glass port. If the level is low, follow instructions under “Jacket Filling and
Water Treatment,” Page 16.
11. 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.
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.
When attaching the draw-off
valve, hand-tighten the nut
8 OM-DHS
Initial Start-Up
WARNING
WATER IS EXTREMELY HOT AND CAN CAUSE
SEVERE BURNS. AVOID CONTACT WITH HOT
WATER WHEN EMPTYING UNIT.
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.
Now that the kettle has been installed, you should test it to ensure that the unit is
operating correctly.
1. Remove literature and packing materials from the interior and exterior 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 gallons of water into the kettle.
6. Following “To Start Kettle” instructions in the “Operation” section (Page 10), 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 above, it is ready for use. If it does not, contact your
local Authorized Service Agency.
Correct water level
OM-DHS 9
Classic Control
Advanced Control
Operation
A. Controls
1. The “Classic” Controls for the kettle are:
a. The manual gas shut-off valve supplies inlet gas to the unit.
b. Lighted Power ON switch located on the control console. Controls
main power to the unit.
c. The temperature knob, located on the control console, is used to set
the kettle heat values between 1 and 10.
d. Heating indicator light located on the control console, lights when
the controller sends call to open the main gas valve and will cycle on
and off once the unit reaches set temperature. If the unit is tilted, the
main gas valve will be disabled and the light will turn off until the unit
is returned to the cooking position.
e. A LOW WATER indicator light, located on the control console,
illuminates when the jacket water falls below acceptable levels.
When lit, the main gas valve is disabled and will not function until
the jacket water is refilled using the procedure on p. 17 of this
manual.
f. Crank tilt - a handle controls the worm and gear mechanism that
smoothly tilts the kettle body and holds it in the desired position.
3. The “Advanced” Controls for the kettle are:
a. The manual gas shut-off valve supplies inlet gas to the unit.
b. Lighted Power ON switch located on the control console. Controls
main power to the unit.
c. The temperature knob, located on the control console, is used to set
the kettle heat values between 1 and 10. The current setting will be
reflected on the display.
d. Heating indicator light located on the control console, lights when
the controller sends call to open the main gas valve and will cycle on
and off once the unit reaches set temperature. If the unit is tilted, the
main gas valve will be disabled and the light will turn off until the unit
is returned to the cooking position.
e. A LOW WATER indicator light, located on the control console,
illuminates when the jacket water falls below acceptable levels.
When lit, the main gas valve is disabled and will not function until
the jacket water is refilled using the procedure on p. 17 of this
manual.
f. SET TnnP Mode - Allows power to the controller and gas to the pilot
without the kettle heating; the kettle will heat once the LOW TEMP,
MANUAL or HIGH TEMP button is selected.
g. LOW TEMP Button – Used to set operating temperature of the kettle
at a preset low intensity (default = 2). Can be pressed at any time
during operation of the unit to change the set temperature to the
preset value except when there is an active TIMER enabled.
h. MANUAL Mode button – Enables the user modify the desired cooking
temperature of the kettle (between 1 and 10) using the temperature
knob and display (default = 4). The operator will press the MANUAL
button and set the desired temperature using the temperature knob
and display. Once the desired intensity is displayed, the user may
either press the MANUAL button again or wait 5 seconds and the set
temperature will be accepted by the controller and locked in. After
the set temperature is accepted, it may be changed at any time by
pressing the MANUAL button and resetting the temperature using the
same process above.
10 OM-DHS
Operation
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) POUR SLOWLY, MAINTAINING
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.
WARNING
AVOID ALL DIRECT CONTACT WITH HOT
SURFACES AND HOT FOOD OR WATER
IN THE KETTLE. DIRECT CONTACT
COULD RESULT IN SEVERE BURNS.
CAUTION
DO NOT TILT KETTLE WITH LIFT-OFF
COVER IN PLACE. COVER MAY SLIDE
OFF, CAUSING INJURY TO OPERATOR.
i. HIGH TEMP button – Used to set operating temperature of the kettle
at a preset high intensity (default = 7). Can be pressed at any time
during operation of the unit to change the set temperature to the
preset value except when there is an active TIMER enabled.
1. TIMER button - once the appropriate set temperature is
selected using the HIGH TEMP, MANUAL or LOW TEMP buttons;
a countdown timer can be set to remind the user when the
cooking process is completed. Range – 1 minute to 10 hours
2. When the timer expires:
a. the set temperature will automatically change to the LOW
TEMP setting and will continue at this setting until the
user changes the temperature via MANUAL or HIGH TEMP
buttons
b. An audible alarm will notify the user that attention is
required, the alarm will continue to sound until the user
presses the TIMER button.
3. An active timer can be cancelled by pressing and holding the
TIMER button for 5 secs
4. Set temp can be changed during an active timer by pressing
the MANUAL button and adjusting the set temp using the
Temperature knob and display
5. HIGH TEMP and LOW TEMP presets cannot be used to change
the setpoint once a TIMER has started.
j. READY alarm – The control will sound 3 beeps when the unit has
reached within 20 degrees of set point during pre-heat and when a
higher set temperature is selected.
k. Crank tilt - a handle controls the worm and gear mechanism that
smoothly tilts the kettle body and holds it in the desired position.
B. Operating Procedure
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 16.
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 17.
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 controller 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 5 minutes. Then follow
the instructions again.
OM-DHS 11
Operation
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 FOOD OR WATER IN THE KETTLE.
DIRECT CONTACT COULD RESULT IN
SEVERE BURNS.
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/ZERO.
b. Turn power 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).
3. Disconnect electric power from the unit.
4. To Relight Kettle
(a) Close main gas supply valve.
(b) Set on-off switch to OFF.
(c) Set thermostat to OFF/ZERO.
(d) Wait 5 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.
12 OM-DHS
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.
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