Garland STW286A User Manual
INSTALLATION AND
OPERATION MANUAL
GARLAND® STARFIRE
SENTRY COMBINATION
RANGE, MODEL STW286A
FOR YOUR SAFETY:
DO NOT STORE OR USE GASOLINE
OR OTHER FLAMMABLE VAPORS OR
LIQUIDS IN THE VICINITY OF
THIS OR ANY OTHER
APPLIANCE
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
Users are cautioned that maintenance and repairs must be performed by a Garland authorized service agent
using genuine Garland replacement parts. Garland will have no obligation with respect to any product that has been
improperly installed, adjusted, operated or not maintained in accordance with national and local codes or installation
instructions provided with the product, or any product that has its serial number defaced, obliterated or removed,
or which has been modified or repaired using unauthorized parts or by unauthorized service agents.
For a list of authorized service agents, please refer to the Garland web site at http://www.garland-group.com.
The information contained herein, (including design and parts specifications), may be superseded and is subject
to change without notice.
PLEASE READ ALL SECTIONS OF THIS MANUAL
AND RETAIN FOR FUTURE REFERENCE.
THIS PRODUCT HAS BEEN CERTIFIED AS
COMMERCIAL COOKING EQUIPMENT AND
MUST BE INSTALLED BY PROFESSIONAL
PERSONNEL AS SPECIFIED.
IN THE COMMONWEALTH OF MASSACHUSETTS
THIS PRODUCT MUST BE INSTALLED BY A
LICENSED PLUMBER OR GAS FITTER. APPROVAL
NUMBER: G-1-07-05-28
For Your Safety:
Post in a prominent location, instructions to be
followed in the event the user smells gas. This
information shall be obtained by consulting
your local gas supplier.
GARLAND COMMERCIAL RANGES, LTD.
1177 Kamato Road, Mississauga, Ontario L4W 1X4
CANADA
Phone: 905-624-0260
Fax: 905-624-5669
Part # 4517957 Rev 13 (02/10/11) © 2010 The Garland Group.
Part # 4517957 Rev.13 (02/10/11) Page 1
IMPORTANT INFORMATION
WARNING:
This product contains chemicals known to the state of California to cause cancer and/or birth defects
or other reproductive harm. Installation and servicing of this product could expose you to airborne
particles of glass wool/ceramic fibers. Inhalation of airborne particles of glass wool/ceramic fibers
is known to the state of California to cause cancer. Operation of this product could expose you to
carbon monoxide if not adjusted properly. Inhalation of carbon monoxide is known to the state of
California to cause birth defects or other reproductive harm.
Keep appliance area free and clear of combustibles.
Part # 4517957 Rev. 13 (02/10/11)Page 2
TABLE OF CONTENTS
IMPORTANT INFORMATION. . . . . . . . . . . . 2
DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . 4
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . 5
INTRODUCTION. . . . . . . . . . . . . . . . . . . . . . . 5
Unpacking: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . 6
General Information . . . . . . . . . . . . . . . . . . . . . . . . 6
Rating Plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Product Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Appliances Equipped with Casters . . . . . . . . . . . 7
Ventilation & Air Supply . . . . . . . . . . . . . . . . . . . . . 7
Gas Connection: . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Commissioning: . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Burner Adjustments: . . . . . . . . . . . . . . . . . . . . . . . . 9
Griddle /Solid Hot Top Burner . . . . . . . . . . . . 9
Hot Top Minimum Flame Setting . . . . . . . . 9
Oven Burner . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
OPERATION. . . . . . . . . . . . . . . . . . . . . . . . . . 10
Safety concerns . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Operation Controls . . . . . . . . . . . . . . . . . . . . . . . . 10
Griddles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Preparing A New Griddle . . . . . . . . . . . . . . . 10
Lighting The Griddle . . . . . . . . . . . . . . . . . . . 10
Seasoning The Griddle . . . . . . . . . . . . . . . . . 11
Shut Down . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Solid Hot Tops (STW286A) . . . . . . . . . . . . . . . . . . 11
Lighting The Solid Hot Top . . . . . . . . . . . . . 11
Oven . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Convection Oven . . . . . . . . . . . . . . . . . . . . . . 11
Lighting the Oven . . . . . . . . . . . . . . . . . . . . . . 11
Shut Down . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Operating Suggestions . . . . . . . . . . . . . . . . . . . . 12
MAINTENANCE & CLEANING . . . . . . . . . . 12
Stainless steel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Exhaust Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Enameled/Painted Surfaces . . . . . . . . . . . . . . . . 12
Griddle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Cleaning instructions (After each use) . . . 13
Cleaning Instructions
(For Heavy Build Up) . . . . . . . . . . . . . . . . . . . 13
Griddle Do’s & Don’ts . . . . . . . . . . . . . . . . . . . 13
Cleaning Burners . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Griddle / Solid Hot Plate . . . . . . . . . . . . . . . . 13
Convection Oven . . . . . . . . . . . . . . . . . . . . . . 14
Pilot Burner Cleaning . . . . . . . . . . . . . . . . . . . 14
Gas Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Thermostat Calibration . . . . . . . . . . . . . . . . . . . . 14
Oven . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Griddle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Miscellaneous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
CONVERSION INSTRUCTIONS . . . . . . . . . 16
FAULT FINDING . . . . . . . . . . . . . . . . . . . . . . 17
REPLACEMENT OF PARTS . . . . . . . . . . . . . 18
Gas Taps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Door Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Control Panel Rocker Switches . . . . . . . . . . . . . 18
Thermostat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Heat-On Lamp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Gas Control Valve . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Front Cooling Fan . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Ignition Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Hot Top Ignition Momentary Switch . . . . . . . . 19
Hot Top Spark Generator . . . . . . . . . . . . . . . . . . . 19
WIRING DIAGRAMS . . . . . . . . . . . . . . . . . . 20
For Models Manufactured Up To
Oct /04/2005, Serial # 0509100130513 &
Models Manufactured From Mar/24/2009
S/N 0903100100823 M/D STW280A-0009
(Robertshaw Ignition Control Module) . . . . . . 20
For Models Manufactured From
Oct /05/2005, Serial # 0510100130790 To
Mar/23/2009 S/N 0903100100822
(With Johnson Control Module) . . . . . . . . . . . . 22
For All Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Part # 4517957 Rev.13 (02/10/11) Page 3
DIMENSIONS
1 1/2"
[38mm]
39 1/2"
[1003mm]
3/4" NPT REAR
FAN
GUARD
12"
[305mm]
GAS INLET
10 1/2"
[267mm]
[83mm]
[610mm]
36"
[915mm]
10' POWER CORD
AT REAR [120V]
3 3/4" [95mm]
3 1/2"
28"
[711mm]
5"
[127mm]
24"
45 1/2"
[1156mm]
[806mm]
[127mm]
31 3/4"
5"
3/4" NPT REAR
GAS INLET
[521mm]
10' POWER CORD
AT REAR
20 1/2"
32 1/2"
[825mm]
34"
[864mm]
Part # 4517957 Rev. 13 (02/10/11)Page 4
SPECIFICATIONS
Oven Interior Dimensions Entry Clearance
Height Width Depth Crated Uncrated Sides Rear
13-12
(343mm)
Hot Top Griddle Oven Total Natural Propane
BTU kW BTU kW BTU kW BTU KW "WC mbar "WC mbar 120V 230V
25,000 7.32 50,000 14.65 38,000 11.14 113,000 33.11 4.5 11 10 25 4.5 Amps 2.3 Amps
NOTE: Installation clearance reductions are applicable only where local codes permit.
Garland/U.S. Range products are not approved or authorized for home or residential use, but are intended for commercial
applications only. Garland / U.S. Range will not provide service, warranty, maintenance or support of any kind other than in
commercial applications..
Commercial cooking equipment requires an adequate ventilation system. For additional information, refer to the National Fire
Protection Association's standard NFPA96..
26-1/4"
(667mm)
22"
(559mm)
Input Ratings Operating Pressure
43"
(1105mm)
* Distance from combustible construction
37-7/8"
(648mm)
Installation
Clearances*
7"
(178mm)
6"
(152mm)
Shipping
Weight
584lbs
(265kg)
Manifold
Inlet Size
3/4" NPT
Female
Total Maximum
Electrical Load
INTRODUCTION
This equipment must be installed and adjusted by a
competent person in accordance with the law. Failure to
install appliances correctly could lead to prosecution. It is
in your own interests and that of safety to ensure that the
law is complied with. Your Garland Dealer is well qualied to
provide this service.
This appliance should be given regular care and
maintenance. Periodic inspections by the dealer or a
qualied service company are recommended to check
temperature, burner adjustments and to ensure moving
parts are operative. Wherever possible avoid overheating idle
equipment as this is the primary cause of increased service
cost.
“Regular maintenance ensures peak performance.”
Unpacking:
1. Check crate for possible damage sustained during transit.
Carefully remove unit from crate and again check for
damage. Any damage to the appliance must be reported
to the carrier immediately.
2. The wires for retaining the burners and other packing
material must be removed from units. Any protective
material covering stainless steel parts must also be
removed.
3. All ranges are shipped from the factory with casters tted.
4. The type of gas and the supply pressure that the
equipment was set up for at the factory is noted on the
data plate and on the packaging. This type of gas supply
must be used.
5. Do not remove permanently axed labels, warnings or
data plates from the appliance, for this may invalidate the
manufacturer’s warranty.
NOTE: Many parts of the equipment are raw steel i.e griddle
top and solid hot top and can react with moisture forming
rust. This is normal and not considered a defect. Clean with a
stainless steel ber pad. A light coating of salt free oil may be
applied to prevent further rusting.
Part # 4517957 Rev.13 (02/10/11) Page 5
INTRODUCTION continued
Rating Plate
All burner input ratings are shown on the name/rating plate
of each range which can be located behind the lower front
kick panel, (located below oven door). To access, remove two
(2) fasteners securing the panel shut.
For proper operation, the fuel information on the data plate
of your new equipment must match your fuel supply.
When corresponding with the factory or equipment dealer
regarding service problems or replacement parts, be sure
to refer to the particular unit by the correct model number,
including prex and sux letters and numbers and serial
number. The rating plate axed to the unit contains this
information.
Safety
It is essential that the instructions in this booklet are strictly
followed for the safe and economical operation of the
equipment. If it is known or suspected that a fault exists
on the appliance then it must not be used until the fault is
rectied by a competent person.
Power Failure Note: In the event of a power failure, no
attempt should be made to operate the oven. The oven is
gas operated but has electrical features, motor and door
switches.
Product Usage
The top of the range is designed for exibility and the
preparation of numerous types of products.
Preparation of soups, stocks and sauces are done on a hot
top where slow even cooking is desirable. Heating larger
quantities of food can be done more eciently than heating
small quantities. Pots and pans should be covered whenever
possible to reduce energy consumption.
High acid sauces, such as tomato should be cooked in
stainless steel vessels rather than aluminum since stainless
will not react chemically. Light coloured sauces may be
dicoloured by the aluminum especially if stirred with a
metal spoon. Salty water may pit aluminum vessels if used
frequently.
INSTALLATION
General Information
Before assembly and connection, check gas supply.
• The type of gas for which the unit is equipped is stamped
on the name/rating plate. Connect a unit stamped “NAT”
only to natural gas, and a unit stamped “PRO” only to
propane.
• In a new installation, have the gas authorities check
meter size and piping to ensure that the gas supply will
deliver sucient pressure to operate the unit properly.
• When adding or replacing equipment, have gas
authorities check gas pressure to ensure that the existing
meter and piping will supply fuel to the appliance with
no more than 0.5 inch water column pressure drop
during operation.
• Before turning on the main gas supply, check the unit to
be certain that all the controls are in the “OFF” position.
• When checking gas pressure, be sure that all other
equipment on the same gas line is turned “ON.” A preset
gas pressure regulator is supplied with GARLAND
Restaurant Series Equipment. It may be necessary to
adjust the regulator to deliver fuel at the pressure shown
on the rating plate.
• In Canada, the installation must comply with local codes,
or in the absence of local codes, with the Installation
Codes for Gas Burning Appliances and Equipment CAN/
CGA-B149.1 and CAN/CGA B149.2, (latest edition), and
with the Canadian Electrical Code C22.1 (latest edition).
Part # 4517957 Rev. 13 (02/10/11)Page 6
INSTALLATION continued
In the United States the installation must comply with
the National Fuel Gas Code ANSI Z223.1, (latest edition),
NFPA No. 54, (latest edition), and the National Electrical
Code ANSI/NFPA 70, (latest edition), and/or local codes to
ensure a safe and ecient operation.
• This equipment must be electrically grounded in
accordance with local codes, or in the absence of local
codes, with National Electrical Code, ANSI/NFPA 70, or the
Canadian Electrical Code, CSA C22.2, as applicable.
• The appliance and its individual shut-o (supplied by
others) must be disconnected from the gas supply piping
system during any pressure testing of the system at
pressures in excess of 1/2 PSIG (3.45 KPA). The appliance
must be isolated from the gas supply piping by closing its
individual manual shut-o (supplied by others) during any
pressure testing of the gas supply piping system at test
pressures equal to or less than 1/2 PSIG (3.45 KPA).
• Adequate clearance must be provided for servicing and
proper operation.
Clearances
Minimum installation clearance to adjacent combustible
walls and type of oor or base:
MINIMUM CLEARANCES STW286A
LOCATION CLEARANCE
Left Hand Side 7" (178mm)
Right Hand Side 7" (178mm)
Rear 6" (152mm)
TYPE OF FLOOR OR BASE
Combustible
Location
The range should be installed on a rm, smooth and level
oor designed to withstand the weight of the fully laden
appliance. Any openings in the wall beside the appliance
should be sealed.
Appliances Equipped with Casters
• The installation shall be made with a connector that
complies with the Standard for Connectors for Moveable
Gas Appliances, ANSI Z21.69/CSA 6.16, Addenda Z21.69B2006/CSA 6.16B-2006 (or latest edition), and a quickdisconnect device that complies with the Standard for
Quick Disconnects for Use with Gas Fuel, ANSI Z21.41/
CSA 6.9, Addenda Z21.41A-2005/CSA 6.16A-2005 (or
latest edition).
• The front casters on the appliance are equipped with
brakes to limit the movement of the appliance without
placing any strain on the connector or quick disconnect
device or its associated piping.
• Be aware; required restraint is attached to a bracket,
which is located on the rear caster closest to the gas
connection. If disconnection of the restraint is necessary,
be sure to reconnect the device after the appliance is
returned to its original position.
Ventilation & Air Supply
The area in which the appliance is installed must be
adequately ventilated to provide air for combustion, removal
of products of combustion and removal of steam, etc. Proper
ventilation is essential for optimum performance.
The ideal method of ventilating equipment is the use of a
properly designed canopy which should extend six inches,
(152mm), beyond all sides of the appliance(s) and six feet, six
inches, (1981mm), above the oor.
A strong exhaust will create a vacuum in the room. For an
exhaust vent to work properly, replacement air must enter
the room. The amount of air that enters must equal the
amount exhausted. All gas burners and pilots need sucient
air to operate. Large objects should not be placed in front of
the appliance(s) which would obstruct the ow of air into the
front.
Gas Connection:
The gas pipe connection is made at the rear right hand side
of the equipment. The size of the pipe work supplying the
appliance must not be less than the inlet connection which
is 3/4” NPT. An isolating valve is recommended to be close to
the appliance to allow shut down during an emergency or
routine servicing. After installation, the complete pipe work
must be checked for soundness.
Part # 4517957 Rev.13 (02/10/11) Page 7
INSTALLATION continued
TABLE A. Gas Flow Rate (total)
NATURAL GAS ( ft3/h ) PROPANE GAS (ft3/h )
113 42
TABLE B. Heat Input Per Burner
NOMINAL HEAT INPUT
BURNER
kW BTU/HR MJ/HR kW BTU/HR MJ/HR
GRIDDLE 7.32 25,000 26.37 7.32 25,000 26.37
HOT TOP 7.32 25,000 26.37 7.32 25,000 26.37
OVEN 11.14 38,000 40.08 8.79 30,000 31.65
TABLE C. Manifold Pressure / Injector Size
BURNER
GRIDDLE 11.2 4.5 42 2.4 25 10 53 1.51
HOT TOP 11.2 4.5 41 2.45 25 10 — 1.5
OVEN 11.2 4.5 31 3.05 25 10 51 1.7
NOTE: The pressure must be measured at the pressure test nipple located on the main manifold, located at the left hand front
of the range where the hot top valve is situated, with all burners lit.
Manifold Pressure Injector Size Manifold Pressure Injector Size
mbar "W.C. DMS mm mbar "W.C. DMS mm
NATURAL GAS PROPANE
NATURAL GAS PROPANE
TABLE D. Adjustment Pressure for “MIN” Valve Position (Hot Top section)
NATURAL GAS PROPANE
mbar "w.c. mbar "w.c.
2.0 0.8 4.5 1.8
NOTE: The pressure must be measured at the test nipple located downstream of the gas valve.
TABLE E. Aeration Shutter Setting / Pilot Flame Length
SHUTTER OPENING
BURNER
OVEN 19 0.750 19 0.750 25.4 1
GRIDDLE 41.3 1.625 41.3 1.625 25.4 1
HOT TOP 41.3 1.625 41.3 1.625 12.5 0.5
NATURAL GAS PROPANE
mm Ins. mm Ins. mm Ins.
PILOT FLAME LENGTH
Part # 4517957 Rev. 13 (02/10/11)Page 8
INSTALLATION continued
Commissioning:
The whole of the gas installation, including the meter, should
be inspected, purged and tested for leakage in accordance
with local codes.
1. Ensure that all controls are in the o position and turn on
the main gas supply and electrical mains.
2. Remove the screws securing the front fascia and connect
a U-gauge manometer to the pressure test point on the
main manifold. Operate the main burners in accordance
with the instructions given in the User’s manual.
3. Check that the setting pressure is correct per TABLE C
on the previous page. If necessary, adjust the pressure
governor located at the rear of the range, downstream of
the shut-o valve, to give the required setting.
Burner Adjustments:
Griddle /Solid Hot Top Burner
Check that the aeration shutter is set to provide the
required opening per table E on the previous page. Adjust if
necessary.
3. With a at screwdriver, turn the adjuster on the body of
the tap clockwise to reduce the pressure or anti-clockwise
to increase pressure. Set the pressure to correspond with
table D.
PILOT
ADJUSTER
LOW FLAME
ADJUSTER
TEST POINT
Oven Burner
1. Check that the aeration shutter is set to the required
opening per table E. Adjust if necessary.
FIXING SCREW
SHUTTER
OPENING
MEASUREMENT
INJECTOR
LOCATION
Hot Top Minimum Flame Setting
1. Set the gas tap to the MIN position.
2. Connect a U-gauge manometer to the pressure test
nipple located downstream of the gas tap.
SHUTTER
OPENING
MEASUREMENT
When all the settings have been checked, remove the Ugauge manometer, replace the pressure test point screw and
the lower front panel.
Instruct the user or purchaser in the ecient and safe
operation of the appliance.
Tell the user of the location of the gas isolation cock for use
in an emergency. Leave this User Installation and Servicing
Instruction Manual with the user or purchaser.
Part # 4517957 Rev.13 (02/10/11) Page 9
OPERATION
Safety concerns
It is the responsibility of the supervisor or equivalent
person to ensure that users of this equipment wear suitable
protective clothing and draw attention to the fact that some
parts will by necessity become very hot and will cause burns
if touched accidentally.
Operation Controls
SOLID TOP (STW286A)
OFF
OVEN/GRIDDLE TOP
F
F
O
0
F
4
°
4
1
2
6
2
0
5
1
0
0
2
0
5
2
0
Griddles
Griddle tops are designed to have food cooked directly on
the surface. Do not put pots or pans on the griddle surface as
this will scratch or nick the surface and will result in improper
cooking or sticking of the product. Never salt food over the
griddle since this will build up a gummy residue making it
dicult to clean.
5
0
0
4
5
0
4
0
0
3
5
0
3
0
IGNITION
FULL FLAME
LOW FLAME
Avoid hitting the surface of the griddle with the edge of a
spatula since this will cause nicks. The most frequently used
temperatures are 300° F (149°C) to 350°(177°C). After one
ring, the griddle plate will discolour, this is normal and will
not aect cooking performance.
Check the grease container and drain frequently during
heavy use to prevent overow.
Preparing A New Griddle
1. Remove the protective coating on the surface using a
mild detergent.
2. Thoroughly rinse the griddle with vinegar and a water
solution (3/4 cup vinegar per quart of water) and dry.
Lighting The Griddle
NOTE: Ensure that the gas and electrical supply to the
appliance are turned “ON”. During the initial ignition cycle, air
must be purged from the gas line and thus it may take two or
three tries for ignition to occur.
Part # 4517957 Rev. 13 (02/10/11)Page 10
OPERATION continued
1. Turn the power switch to the “ON” position.
2. Set the thermostat to the desired temperature.
3. If ignition fails and /or the ignition system goes into
lockout, set the power switch to the “O” position.
4. Wait ve minutes and repeat steps 1 and 2. If the problem
persists have the unit checked by a competent service
technician.
Seasoning The Griddle
1. Use a clean cloth, rub a thin and even layer of oil into the
griddle surface. Oil should be an unsalted shortening or
high temperature cooking oil.
2. Set the griddle thermostat to 131°F (55°C) and heat
the griddle surface until the oil begins to caramelize
(turn a golden brow colour). Once this occurs, turn the
thermostat to “O”.
3. Scrape o the caramelized oil with a standard spatula.
4. Repeat step 1 and set the griddle thermostat to 275°F
(135°C).
3. When the pilot is lit, continue to hold the tap for 20
seconds, then release it. If the pilot extinguishes or fails to
hold, wait ve (5) minutes and then repeat step 1.
4. When the pilot is established, push the tap in again and
turn it anti-clockwise to the full ame position “ ” thus
lighting the main burner.
5. For low ame or simmer, push the tap in again and turn it
anti-clockwise to the low ame “ ” position.
6. To shut the burner o, turn the dial to the “ ” position
and the safety device will disengage within 60 seconds.
Oven
The temperature is automatically controlled by the
thermostat so that satisfactory cooking can be repeated. For
the best performance the following instructions should be
followed.
GRID SHELVES – There are three shelf positions. The shelf
position is governed by the size of the product to be cooked.
Always push the shelf back into the oven until it stops by
making contact with the rear of the oven.
5. Repeat steps 2 & 3. The griddle is now seasoned and
ready for use.
Shut Down
1. Set the thermostat to the lowest setting and turn the
power switch to the “O” position.
Solid Hot Tops (STW286A)
Recommended where long term stock pot cooking is
required for soups, sauces or stocks. Pots can be placed
anywhere on the hot top. The maximum recommended
stockpot size is 12” (305mm) in diameter.
The recommended pre-heat time is 30 minutes. This will
thoroughly saturate the plate. Pots must have at bottoms
for maximum contact with the hot surface. Roasting pans
with straps should never be used on a top since only the
straps touch the surface and heat transfer will be minimal.
Lighting The Solid Hot Top
1. Push in the tap and turn it anti-clockwise to the ignition
position “ ”.
2. Holding the tap fully in, depress the ignitor switch button
and observe that the pilot lights. If it does not, depress
the ignitor switch button until it does.
TRAY SIZE – A cake tray may be used on each shelf. Single
trays or dishes must not be allowed to overhang the shelf
in any direction, since this will adversely aect the heat
circulation.
PREHEAT TIME – Allow at least 45 minutes after turning
the oven on from cold, with the thermostat at the desired
temperature before loading the oven with food to be
cooked. Put the food in quickly and close the oven door.
Convection Oven
The forced air range oven consists of a food preparation
chamber completely sealed from the combustion area. This
permits an ecient method of circulating the heated air
within the cooking chamber.
Lighting the Oven
NOTE: Ensure that the gas and electrical supply to the
appliance are turned “ON”. During the initial ignition cycle, air
must be purged from the gas line and thus it may take two to
three tries for ignition to occur.
1 Turn the power switch to the “ON” position and the Cook/
cool switch to the “COOK” position.
2 Set the thermostat to the desired position.
Part # 4517957 Rev.13 (02/10/11) Page 11
OPERATION continued
3. If ignition fails and or the ignition system goes into
lockout, set the power switch to the “O” position.
4. Wait ve minutes and repeat steps 1 and 2. If a problem
persists have the unit checked by a competent
technician.
Shut Down
1. Set the thermostat to the lowest setting and turn the
power switch to the “O” position.
MAINTENANCE & CLEANING
Operating Suggestions
1. Turn the power switch to the “O” position when the range
is not in use.
2. Clean the range as soon as possible after cooking tomato
or vinegar based products that have a high acid content.
These foods can cause pitting of the surface.
3. Allow the oven to preheat before adding product.
4. During an electrical power interruption, turn the power
switch to the “O” position. The oven cannot be made to
operate without electrical power
Regular servicing by a competent person is recommended
to ensure the continued safe and ecient performance of
the appliance. The frequency will vary, depending on the
installation conditions and usage. Usually once per year is
adequate.
WARNING: Turn o the gas supply to the appliance at the
service cock and the electrical mains before commencing
any servicing work.
IMPORTANT: Test for gas leakage on completion of any
servicing work.
A regular cleaning schedule should be established to ensure
ecient operation.
WARNING: This appliance is not protected against water
jets. Do not clean with water jets.
Stainless steel
Stainless Steel should be cleaned using a mild detergent,
a soft cloth and hot water. If it is necessary to use a nonmetallic scouring pad, always rub in the direction of the grain
in the metal to prevent scratching. Wash a small area at a
time and rinse the washed area with a clean sponge dipped
into a disinfectant and wipe dry with a soft clean cloth before
it can dry.
Use only stainless steel, wood or plastic tools to scrape o
heavy deposits of grease or oil. Do not use ordinary steel
scrapers or knives as particles of iron my become embedded
and rust. NEVER USE STEEL WOOL.
Exhaust Filter
Inspect the front exhaust lter weekly, if on inspection the
lter appears dirty it can be cleaned by hand with hot water
and dish detergent. The lter is easily removed by sliding out
of the lower front panel of the unit.
Enameled/Painted Surfaces
Establish a regular cleaning schedule. Any spills should be
wiped o immediately. The unit should be allowed to cool
down before cleaning any exterior surfaces. Wipe exposed
cleanable surfaces when cool with mild detergent and
hot water. Stubborn residue spots may be removed with a
scouring pad. Dry thoroughly with a clean cloth.
Part # 4517957 Rev. 13 (02/10/11)Page 12
MAINTENANCE & CLEANING continued
Griddle
Cleaning instructions (After each use)
1. Use a traditional 2.5”-3” (64mm-76mm) scraper or spatula
to scrape the griddle surface (to remove food particles
and oil residues) towards the grease trough using even
back to front strokes.
2. Pour shortening or oil onto the griddle surface using a
straight front to back motion. Clean the griddle using a
griddle stone or grill screen. Always wipe with the grain
of the steel, never sideways.
3. Using a clean cloth, rub a thin and even layer of oil into
the griddle surface.
4. Remove the grease drawer, empty and wash thoroughly
with soap and water. Replace.
Cleaning Instructions (For Heavy Build Up)
NOTE: After using cleaners & grease cutter, re-season the
griddle.
NOTE: Apply to a warm griddle for best results.
1. Using a traditional 2.5”-3” (64mm-76mm) scraper or
spatula scrape the griddle surface (to remove food
particles and oil residues) towards the grease trough
using even back to front strokes.
Griddle Do’s & Don’ts
Do’s
1. Season the griddle, This will prevent foods from sticking
and make it easier to keep the surface clean.
2. Keep the surface clean. Scraping the surface throughout
production to clear foods and oils prevents build up and
will make it easier to keep the surface clean.
3. Turn the temperature down during slow periods.
Reducing the temperature or turning sections o during
slow periods will conserve energy and prevent the plate
from over heating.
Don’ts
1. Do not use salt to clean the griddle surface. Salt is
corrosive and can cause pitting of the griddle.
2. Do not allow metal utensils (Spatula, scraper, etc.) to
nick and/or dent the surface of the griddle, The edges of
these utensils are sharp and will create divots that oil can
collect in and caramelize which will cause sticking.
3. Do not use the griddle as a hot top. A large pan or pot will
trap heat and cause the griddle plate to warp.
4. Do not overheat the griddle to preheat faster. Preheating
takes 15-20 minutes.
2. Apply griddle cleaner evenly over the griddle surface and
let it sit as directed. Follow the procedures on the label of
the specic cleaning product.
3. Using a traditional scraper or spatula, slosh around the
griddle cleaner to remove the build up.
4. Scrape the griddle surface towards the grease-trough
using even back to front strokes. Repeat step 2 if
necessary.
5. Using a mild detergent, clean the surface and rinse
thoroughly with water and vinegar solution, Dry the
griddle.
6. Using a clean cloth rub a thin and even layer of oil into
the griddle surface.
7. Re-season the griddle as detailed in griddle operation.
The griddle is now ready for use.
Cleaning Burners
Griddle / Solid Hot Plate
1. Lift o the griddle plate or solid hot top. Use caution: This
will require assistance due to the weight of the griddle /
solid hot top.
2. Lift the rear of the burner and slide backwards o the
injector tting.
3. Clean the burners in hot soapy water with a sti
scrubbing brush.
4. Rinse and shake well to remove any debris.
5. Reassemble in the reverse order.
Part # 4517957 Rev.13 (02/10/11) Page 13
MAINTENANCE & CLEANING continued
Convection Oven
1. Open the lower kick panel.
2. Remove the left & right hand oven door springs. USE
CAUTION: the oven door will need additional support to
remain closed.
3. Remove the left and right hand radiation shields.
4. Remove the two (2) screws that secure the pilot bracket
and disconnect the pilot tubing at the union connection.
5. Remove the injector support and slide the burner and
burner pan forwards out of the combustion chamber.
6. Clean the burner with a sti scrubbing brush and shake
the burner well to ensure that ports are clear of any
debris.
7. Reassemble in the reverse order.
Pilot Burner Cleaning
1. Remove the main burners (refer to the section on main
burner cleaning).
2. Disconnect the pilot gas supply pipe from the pilot jet.
3. Remove the pilot jet.
1. Place the thermocouple of the test instrument in the
center of the oven.
2. Turn the oven temperature control dial to 400°F. In order
to allow the oven temperature to stabilize, the oven
control must be allowed to cycle twice before taking a
test reading.
3. Check the temperature reading just when the control
cycles “OFF” as indicated by cycling pilot lamp. If the
temperature does not read within 15°F of the dial setting,
recalibrate as follows:
4. Carefully remove the thermostat dial, not disturbing the
dial setting.
"B" Dial Shaft
Decrease
Increase
1/4
Turn
"A" Calibration
Screw Head
4. Clean by blowing through or washing. Do not use wire to
clear the pilot jet.
5. Reassemble in the reverse order.
Gas Valve
Re-greasing of the gas taps is not recommended. If the
tap spindle becomes seized or dicult to turn, refer to
Replacement of Parts section in this manual.
Thermostat Calibration
Oven
It is normal for a hydraulic thermostat cycling with a
temperature dierential of 45° to 50°F. If the thermostat
is cycling beyond the 15° tolerance above or below the
set point and the appliance is under warranty, recalibrate
the thermostat or if not under warranty, consult owner for
proper action. If the thermostat is out of calibration more
than 50°, it will not likely hold an attempt of recalibration. We
suggest that the thermostat be replaced.
5. Hold the thermostat shaft steady and with a small at
blade screw driver, turn the calibration screw located
inside the shaft clockwise to decrease the temperature
and anti-clockwise to increase the temperature. Note:
Each 1/4 turn of the screw will create a change of
approximately 25°F.
6. Replace the thermostat dial and repeat steps 1 through 3
to verify that correct adjustment has been made.
Griddle
1. Use a test instrument with a special disc type
thermocouple or a reliable surface type pyrometer. Note:
a drop of oil on the face of the disc will provide better
contact with the plate.
2. Set all griddle thermostats to 300°F. In order to allow the
griddle temperature to stabilize, the thermostats must be
allowed to cycle twice before taking a test reading.
Part # 4517957 Rev. 13 (02/10/11)Page 14
MAINTENANCE & CLEANING continued
TOP VIEW
5. Hold the thermostat shaft steady and with a small at
blade screw driver, turn the calibration screw located
inside the shaft clockwise to decrease the temperature
and anti-clockwise to increase the temperature. Note:
Each 1/4 turn of the screw will create a change of
approximately 25°F.
6. Replace the thermostat dial and repeat steps 1 through 3
to verify that correct adjustment has been made.
Miscellaneous
1. Grease the door hinges and check for loose fasteners.
Tighten as necessary.
28.0
24.012.0
6.0 6.0
GRIDDLEHOT TOP
12.0
7.3
ref.
11.5
Place
Thermocouple
Here
36. 0
FRONT
To nd the location of the sensing bulbs, locate the exact
center of the griddle. Measure 6" to the left and 6" to the
right. Place the temperature sensor there.
3. Check the griddle temperature when the thermostat just
cycles “OFF” by placing the thermocouple rmly on the
griddle surface directly above the sensing bulb of the
thermostat. (see the following diagram for how to nd
the location directly above the thermostat sensing bulb)
The reading should be between 285°F and 315°F. If the
reading is outside of these limits, calibrate as follows:
4. Carefully remove the thermostat dial, not disturbing the
dial setting.
2. Wire brush the surface of the griddle to remove baked
on material, wash with hot water, dry thoroughly. Lightly
coat the surface with vegetable oil to prevent rusting.
3. Wipe exposed cleanable surfaces with a mild detergent
and hot water. Stubborn residue may be removed with
a lightweight non-metallic scouring pad. Stainless steel
areas should be washed with a mild detergent, hot
water and a soft cloth. If necessary to use a non-metallic
scouring pad always rub in the direction of the grain in
the metal to prevent scratching. NEVER USE STEEL WOOL.
4. Check the operation of the ame safety device by closing
the gas supply during burner operation. Listen for the
ame failure valve on the combination gas control
“clicking” closed. This action must occur within 1 second
of extinguishing the main burner ame.
5. Clean the oven racks, shelves and guides with hot soapy
water and dry thoroughly. Clean the oven interior with
a propriety oven cleaner following the manufacturers
instructions.
Part # 4517957 Rev.13 (02/10/11) Page 15
CONVERSION INSTRUCTIONS
Servicing must be carried out by a competent person in
accordance with the law.
WARNING: Turn o the gas supply to the appliance at the
service cock and the electrical mains before commencing
any servicing work.
IMPORTANT: Test for gas leakage on completion of any
servicing work.
The following instructions are intended to describe the
operations necessary to convert equipment from operation
on one gas to another.
1. Ensure that all of the parts necessary to make the
conversion have been supplied as follows:
a. Injector ttings ( One required for each main burner
& one required for each pilot).
b. Regulator, (one per unit ).
If any of the required parts are missing, contact your
Garland dealer before attempting to carry out the
conversion.
2. Remove the burners following the instructions given in
this manual.
3. Replace each injector tting with the new tting that is
supplied.
NOTE: Before doing so, refer to Table C in this manual to
ensure that the correct injector has been supplied for the
gas supply being converted to.
4. Replace the spring in the governor with the new spring
supplied.
Upon completion of all the above operations, follow the
section in the manual on “Commissioning” and ensure
that the setting pressure and all burner ame settings are
adjusted accordingly.
Part # 4517957 Rev. 13 (02/10/11)Page 16
FAULT FINDING
PROBLEM POSSIBLE CAUSES SOLUTION
No power to oven. Check power supply.
Cook/Cool Down switch set to “Cook”
position. Light o. Motor not working.
Cook/Cool Down switch set to “Cook”
position. Light on motor not working.
Cook/Cool Down switch set to”Cook.”
Motor working thermostat set to
temperature, lamp “on,” oven not
heating.
Noisy convection oven.
Cook/Cool Down switch set to “Cool
Down”, motor not working.
Oven too hot or not hot enough Thermostat out of calibration. Check calibration/replace thermostat.
No spark to igniter
Spark to igniter,thermostat set to
temperature. Burner does not go on.
Oven doors will not stay closed. Broken or damaged door spring Replace door spring
Defective Cook/Cool Down switch Replace switch.
Faulty wiring.
Defective door switch. Replace switch
Oven door partially open. Close door.
Door switch out of alignment. Align switch.
Defective motor. Replace motor.
Faulty wiring.
Faulty motor relay Replace relay
Combination gas valve not opening. Defective thermostat replace.
Defective valve/thermostat Replace valve/thermostat.
Blower wheel rubbing on oven bae Adjust blower wheel.
Blower wheel loose on motor shaft. Retighten blower wheel.
Defective motor Replace motor.
Defective Cook/Cool down switch. Replace switch.
Defective door switch. Replace switch.
Door switch out of alignment. Align switch.
Faulty wiring.
Disconnected or loose hi voltage
wires.
Defective DSI control module. Replace DSI module
No power to oven Check power supply.
Defective combination gas valve. Replace valve.
Defective thermostat controller. Replace controller
Check condition of all wires &
connections
Check condition of all wires &
connections
Check condition of all wires &
connections
Reconnect hi voltage wires.
Wiring Diagrams can be found at the end of this manual. A relevant schematic can be found on the inside of the control panel
when it is slid out for service.
Part # 4517957 Rev.13 (02/10/11) Page 17
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