Page 1
A MIDDLEBY COMPANY
OWNER'S MANUAL
DIRECT STEAM TRI-LEG TILTING KETTLE
southbend
INSTALLATION
USER'S GUIDE
MODELS: KDLS-20, KDLS-30, KDLS-40
KDLS-60, KDLS-80, KDLS-100
These instructions should be read thoroughly before attempting installation. Set up, installation and
Performance Check should be performed by a qualified service technician. The Manufacturer.
Southbend (1100 Old Honeycutt Rd., Fuquay-Varina, North Carolina 27526), informs you that unless
the installation instructions for the above described Southbend product are followed and performed by
a qualified service technician, (a person experienced in and knowledgeable concerning the installation
of commercial gas and/or electrical cooking equipment) then the terms and conditions of the
Manufacturer's Limited Warranty will be rendered void and no warranty of any kind shall apply.
If the equipment has been changed, altered, modified or repaired by other than a qualified service
technician during or after the 12-month limited warranty period, then the manufacturer shall not be
liable for any incidental or consequential damages to any person or to any property which may result
from the use of the equipment thereafter. Some States do not allow the exclusion or limitation of
incidental or consequential damages, so the above limitation or exclusion thereto may not apply to
you.
In the event you have any question concerning the installation, use, care. or service of the product,
write Customer Service Department. Southbend Corporation. 1100 Old Honeycutt Rd., Fuquay-Varina,
North Carolina 27526.
Page 2
INSTALLATION AND OPERATION
southbend
A MIDDLEBY COMPANY
MANUAL
DIRECT STEAM STATIONARY KETTLES
20. 30. 40. 60. 80. 100 GALLON
DL
DP
1100 Old Honeycutt Road
Fuquay-Varina, NC 27526
(919) 552-9161
FAX (919) 552-9798
(800) 348-2558
Page 3
INSTALLATION AND OPERATION
It is recommended that this manual be read thoroughly and that all instructions be followed carefully. This manual should be
retained for future reference.
ADEQUATE CLEARANCES MOST BE MAINTAINED FOR SAFE AND PROPER OPERATION
I N D E X
DESCRIPTION PAGE
INDEX 1
INSTALLATION AND SERVICE CONNECTIONS 2
INSTALLATION INSTRUCTIONS 4
INTRODUCTION 5
OPERATION INSTRUCTIONS 6
CLEANING INSTRUCTION 7
TROUBLESHOOTING 8
Page 4
INSTALLATION & SERVICE CONNECTIONS
SERVICE CONNECTIONS
S Steam supply: 3/4" IPS (19mm)
CR Condensate return: 1 /2" IPS (13mm)
Model Capacity A B C D E F G H J K L M
KDLS-20
KDLS-30
KDLS-40
KDLS-60
KDLS-80
20 U.S. gal.
76 liter
30 U.S. gal.
114 liter
40 U.S. gal.
152 liter
60 U.S. gal.
227 liter
80 U.S. gal.
303 liter
100 U.S. gal.
380 liter
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
inches
mm
21
533
24
610
26
660
30
762
33
838
36
914
18
457
20
508
22-1/2
571
25-1/2
648
28
711
30
762
37
940
37
940
37
940
40-1/2
1029
42-1/2
1080
44 -1/2
1130
22 -3/4
578
25-3/4
654
27-3/4
704
31-1/4
794
34-3/4
883
37-1/4
946
17
432
15
387
12-1/2
378
12-1/2
378
12-1/2
378
12-1/2
378
11-3/4
298
12-1/2
378
13
330
13-1/2
343
14-1/4
362
15
387
15-1/2
394
16-1/2
479
17-1/2
445
19-1/2
495
21
533
22-1/2
572
18-3/4
476
16-3/4
424
14-1/4
362
14
356
14
356
14
356
26
660
25-1/2
648
24
670
24-3/4
629
25
635
26-3/4
679
16-1/2
479
14-1/2
368
12
305
12
305
12
305
12
305
59-1/2
1511
62-1/2
1588
63-1/2
1613
71
1803
77
1956
83
2108
17-1/4
438
17-1/4
438
17-1/4
438
17-1/4
438
19-1/4
489
19-1/4
489
As continued product improvement is a policy of Crown, specifications are subject to change without notice.
Page 5
INSTALLATION & SERVICE CONNECTIONS
429
445
654
476
1511
654
378
324
479
365
705
374
337
572
603
302
1613
227
liter
mm
660
374
483
303
liter
mm
838
711
380
liter
mm
762
559
SERVICE CONNECTIONS
S Steam Supply: 3/4" IPS (19 mm) CR Condensate Return: 1/2" IPS (13 mm)
Model Capacity A B C D E P G H J K L
KDLS-20
20 U.S. gal.
inches
21
18
37
22-3/4 16-7/8
12
16-1/2
17-1/2
25-3/4
16-3/8
59-1/2
KDLS-30
KDLS-40
KDLS-60
KDLS-80
KDLS-100
30 U.S. gal.
40 U.S. gal.
60 U.S. gal.
80 U.S. gal.
100 U.S. gal.
inches
inches
inches
inches
inches
24
26
29-1/2
749
33
35-1/2
802
20
37
22-1/2 37
26
40-1/2
1029
28
42-1/2
7080
30
44-1/4
1130
25-3/4
27-3/4
31-1/4
794
34-3/4
863
37-1/4
946
14-7/8
12-3/8
12-3/8
12-3/8
374
12-3/8
374
12-3/4
13-1/4
13-3/4
349
14-1/2
368
15-1/4
387
16-1/2
17
19
20-1/2
521
22
20-1/2 25-1/4 14-3/8
22-1/2
25-3/4
29-1/4
31-3/4
654
743
806
23-3/4
24-1/2
622
25-3/4
654
26-1/2
673
11-7/8
11-7/8
302
11-7/8
302
11-7/8
302
62-1/2
63-1/2
71
1803
77
1956
83
2108
As continued product improvement is a policy of Crown, specifications are subject to change without notice.
Page 6
INSTALLATION INSTRUCTIONS
DIRECT STEAM CONNECTED
JACKETED KETTLES
a) Select a location to provide drainage directly below the tangent Draw-Off Valve.
b) Mark hole locations through flanged adjustable feet on DL models and through pedestal base on DPT models.
Remove kettle.
c) On hole locations marked, drill holes and insert expansion shields to accommodate 5/16" size lag bolts.
d) Reposition kettle. On DL models level kettle by making necessary adjustment on flanged foot.
e) Bolt down kettle and seal with Silastic or other equivalent sealing compound. Sealant must. be applied not only to
bolt heads but also around flanges or pedestal base making contact "with floor surface to fulfil NSF requirements.
f) Install a steam control valve at a convenient location near kettle on the incoming steam line (3/4" size pipe).
g) Connect steam line to the kettle, making sure there is a steam control valve strainer fairly convenient to the kettle.
h) Connect kettle condensate return line to a drain or to a boiler return line. Each kettle return line must have a
suitable steam trap. Boiler return lines must have a check valve.
i) Safety relief valve on kettle roust not be plugged as it is set to relieve excess pressure in the kettle.
j) If incoming steam pressure is greater than kettle maximum operating pressure then a pressure reducing valve
must be installed in the line.
k) If large amounts of water accumulate in the steam line it will be necessary to install one or more ball float traps in
the line to eliminate the water.
l) A steam line pressure gauge is also recommended to determine the actual amount of steam coming to the kettle.
m) Check for proper operation.
Page 7
INTRODUCTION
DIRECT STEAM CONNECTED
JACKETED KETTLES
DESCRIPTION
All Crown direct connected steam jacketed kettles pertaining to this manual are direct steam operated pressure vessels of
a double-wall stainless steel construction forming a steam chamber (jacket) enveloping the lower two thirds of the kettle
bowl surface. All kettles are stationary, floor mounted in fixed positions either on legs with adjustable flanged feet (DL
models) or pedestal (DP models).
CAPACITIES
All models are suffixed with either -20, -30, -40, -60, -80 or -100 to indicate the capacity of that kettle in US gallons. Thus a
DL-40 is a two thirds jacketed direct steam kettle mounted on legs with a capacity of 40 gallons (US). If the letter F is
added to the suffix, this then indicates that the kettle is full jacketed. Thus a DP-30F indicates a full jacketed steam direct
steam kettle mounted on pedestal with a capacity of 30 gallons (US).
FUNCTIONING MODE
Crown direct connected steam jacketed kettles consist of a stainless steel bowl and a stainless steel-jacket which
envelopes two thirds of the lower surface of the bowl thus forming a sealed pressure vessel (chamber) into which steam is
introduced by means of a manual control valve.
The kettle bowl is the container for the food product which ideally should be of a liquid or semi-liquid consistency to
achieve complete contact with the bowl surface and thus fully absorb the heat transmitted through that surface.
The temperatures required for the cooking process to function adequately must be greater than the boiling point of the
liquid food product, viz. water. Further, the greater the steam pressure used, the higher the temperature and consequently
the quicker the cooking process. For example, steam pressurized at 30 p.s.i. attains a temperature of 274 degrees
fahrenheit (135 degrees fahrenheit).
Page 8
OPERATING INSTRUCTION
DIRECT STEAM CONNECTED
JACKETED KETTLES
OPERATING PROCEDURE
a) Ensure that draw-off valve is closed.
b) Fill kettle with product to desired level.
c) Slow turn the steam control valve ON to full open position (counter clockwise).
d) The water or food should boil 3-4 minutes per gallon. If it does not then incoming pressure should be checked to
determine that it is adequate to operate the kettle efficiently.
e) Regulate steam control valve depending on type of food being prepared.
f) When food is cooked, turn off steam, remove food and clean kettle immediately to prevent residue from drying on
kettle bowl surface.
Page 9
CLEANING PROCEDURES
DIRECT STEAM CONNECTED JACKETED
KETTLES
CLEANING PROCEDURE
Your kettle should be cleaned immediately after each use.
a) Ensure that steam supply is OFF.
b) Pre-rinse inside of kettle thoroughly and drain to remove any food particles.
c) Using a nylon brush, clean kettle with a mild detergent and warm water rinse. Never use steel wool or scouring
powder as it will scratch stainless steel.
d) Tilt kettle fully or open the tangent draw-off valve if one is provided to allow soap and water solution to drain. Rinse
with clean water.
e) On Kettle equipped with a draw-off valve, by hand, turn the large hex nut counter-clockwise until it is completely
disengaged from thread. Grasp knob to valve and slowly pull out valve stem and disc. Do not allow disc to come in
contact with hard surfaces since damage to disc may occur and result in valve leakage. Wash the valve stem, disc
and handle. Insert nylon brush with .detergent into interior of valve body and tangent draw-off tube and brush
vigorously. Replace valve stem assembly and engage hex nut fully by hand. Flush kettle with clean warm water.
Leave valve open when kettle is not in use.
f) Replace valve stem assembly and engage hex nut fully by hand. Flush kettle with clean warm water.
g) Leave valve open when kettle is not in use.
WARNING
It is NOT RECOMMENDED to use cleaning agents that are corrosive.
Use of cleaning agents that contain chloride, acids or salts are corrosive and may cause pitting and corrosion when used
over a period of time; this will reduce the life of the appliance.
Should pitting or corrosion occur this is not covered by warranty.
Follow the recommended cleaning instructions. Use a mild detergent, warm water and rinse thoroughly.
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