Gusto AMHP2 Guide

1
GAS HOT PLATE
MODEL
AMHP2, AMHP4, AMHP6
Installation, Operation & Parts Manual
2M-Z15770 Rev. - 4/12/12
IL2424

2
These symbols are intended to alert the user to the presence of
important operating and maintenance instructions in the manual
accompanying the appliance.
RETAIN THIS MANUAL FOR FUTURE REFERENCE
NOTICE
Using any part other than genuine Star factory supplied parts relieves the
manufacturer of all liability.
Star reserves the right to change specications and product design without
notice. Such revisions do not entitle the buyer to corresponding changes,
improvements, additions or replacements for previously purchased
equipment.
Due to periodic changes in designs, methods, procedures, policies and
regulations, the specications contained in this sheet are subject to change
without notice. While Star International Holdings Inc., Company exercises
good faith efforts to provide information that is accurate, we are not
responsible for errors or omissions in information provided or conclusions
reached as a result of using the specications. By using the information
provided, the user assumes all risks in connection with such use.
MAINTENANCE AND REPAIRS
Contact your local authorized service agent for service or required maintenance.
Please record the model number, serial number, voltage and purchase date in the area below and have it ready when
you call to ensure a faster service.
SAFETY SYMBOL
Model No.
Serial No.
Voltage
Purchase Date
Business 8:00 am to 4:30 p.m. Central Standard Time
Hours:
Telephone: [phone]
Fax: [phone]
E-mail [email protected]
[email protected]
W[email protected]
Website: www.star-mfg.com
Service Help Desk
Authorized Service Agent Listing
Reference the listing provided with the unit
or
for an updated listing go to:
Website: www.star-mfg.com
E-mail [email protected]
Mailing Address: Star International Holdings Inc., Company
10 Sunnen Drive
St. Louis, MO 63143
U.S.A
CAUTION WARNING

B
A
C
Adjustable Legs
Knobs
Convertable
Regulator
Cast Iron
BurnerGrates
Pan
IL2425
GUSTO Gas Hot Plate Specications
Model No Dimensions Controls Approximate Weight
A B C Installed Shipping
AMHP2 12.1875”
28.875” 11.9375”
2 66 lbs 75 lbs
AMHP4 24.1875” 4 110 lbs 125 lbs
AMHP6 36.1875” 6 176 lbs 200 lbs
• Gusto Gas Hot Plates are designed for the most demanding foodservice applications and deliver years of
maintenance free operation.
• Available in 2, 4, and 6 burner styles to accommodate many volume operations.
• Sizesavailablein12”,24”,or36”widthstotalmostanywhereandsuitableforavarietyofpotsandpans.
• High performance 22,000 BTU cast iron burners provide maximum heat distribution and control.
• Heavy-duty cast iron grates stand up to constant use.
• Standing pilot for each burner for easy ignition.
• Manual on/off control valve has 1/4 turn for easy temperature control.
• Cool to the touch stainless steel bull nose front provides knob protection and comfortable work zone.
• Gasconvertibleintheeldwithconversionkitsuppliedwitheachhotplate.UnitsareshippedNaturalGas.
• Removable crumb tray for easy cleaning.
• Heavy-duty 4" adjustable legs to match the height of other Gusto equipment in your line.

GENERAL INSTALLATION DATA
This equipment is designed and sold for commercial use only by personnel trained and
experienced in its operation and is not sold for consumer use in and around the home nor for use
directly by the general public in food service locations. For equipment to be used by the general
public, please contact the factory.
This gas appliance is equipped for the types of gas indicated on the nameplate mounted on the
front panel. It is shipped adjusted for use on natural gas.
The installation of the Appliance should conform to the NATIONAL FUEL GAS
CODE "ANSI Z223.1 - LATEST EDITION" AND ALL LOCAL GAS COMPANY
RULES AND REGULATIONS.
IN CANADA INSTALLATION SHALL BE IN ACCORDANCE WITH THE CURRENT
CAN/CGA-B149.1 NATURAL GAS INSTALLATION CODE OR CAN/CGA-B149.2
PROPANE INSTALLATION CODE AND LOCAL CODES WHERE APPLICABLE.
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 the equipment.
FOR YOUR SAFETY
DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS AND LIQUIDS
IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE. KEEP THE APPLIANCE AREA
CLEAR AND FREE FROM COMBUSTIBLES.
This appliance, its pressure regulator and its individual shutoff valve must be disconnected from
the gas supply piping system during any pressure testing of that system at test pressures in excess
of 1/2 PSIG. This appliance and its pressure regulator must be isolated from the gas supply piping
system by closing its individual manual shutoff valve during any pressure testing of the gas supply
piping system at test pressures equal to or less than 1/2 PSIG. For your protection, we recommend
aqualiedinstallingagencyinstallthisappliance.Theyshouldbefamiliarwithgasinstallationsand
yourlocalgasrequirements.Inanycase,yourgascompanyshouldbecalledtoapprovethenal
installation. In addition, there should be posted, in a prominent location, detailed instructions to be
followed in the event the operator smells gas. Obtain the instructions from the local gas supplier.
LEVELING UNIT
Units are shipped with feet detached. To attach feet, remove the grates, lay unit on it's side and
screw feet into sockets on bottom. Level unit by adjusting the (4) feet which have an adjustment of
1-3/4" for accurate and perfect line-up with other Star-Max series units.
DO NOT REMOVE FEET.
GAS PIPING
Gas piping shall be new, clean and of such size and so installed as to provide a supply of gas
sufcienttomeetthefullgasinputoftheappliance.Iftheapplianceistobeconnectedtoexisting
piping, it shall be checked to determine if it has adequate capacity. Joint compound (pipe dope)
shall be used sparingly and only on the male threads of the pipe joints. Such compounds shall be
resistant to the action of L.P. gases.
WARNING: Any loose dirt or metal particles which are allowed to enter the gas lines on the
appliance will damage the automatic valve and affect its operation. When installing this appliance,
allpipeandttingsmustbefreefromallinternalloosedirt.
CAUTION
CAUTION

CLEARANCE
Minimum wall clearances for the sides and back of the models contained in this manual shall
be as follows:
Combustible Non-Combustible
Wall Wall
Hotplates 9" 0"
Stock Pot Range 14" 0"
PRESSURE REGULATOR
A convertible pressure regulator set at 6" water column for use on natural gas is furnished.
(For LP models the regulator is set for 10" water column pressure.) Attach the regulator to the
supplypipe,locatedatthebackoftheunit,makesuregasowarrowonregulatorispointing
towards manifold. The gas supply is then connected to the regulator. A 1/8" tap is furnished on the
manifold for checking pressure. The manifold is accessible by removing the front panel.
MANUAL SHUT OFF VALVE
A manual shut off valve should be installed upstream from the unit and within six feet of the
appliance, and is not provided.
CONNECTING GAS SUPPLY LINE
The gas inlet on this appliance is sealed at the factory to prevent entry of dirt. Do not remove this
seal until the actual connection is made to the gas supply line.
CHECKING FOR GAS LEAKS
Soap and water solution or other material acceptable for the purpose, shall be used in locating
gasleakage.Matches,candleameorothersourcesofignitionshallnotbeusedforthispurpose.
AIR SUPPLY
Provisions for adequate air supply must be furnished.
AIR INTAKES IN BOTTOM
Make certain the air intake openings in the bottom of the appliance are not obstructed. They are
essential for proper combustion and operation of the appliance.
EXHAUST CANOPY
It is essential that facilities be provided to carry off fumes and gases.
GAS INPUT OF OPEN TOP RANGES
ForNaturalGas:Allmodelsregulatoroutputpressuresetat6"watercolumn.
For Propane Gas: All models, regulator output pressure set at 10" water column.
Note: The appliance is equipped with orice hoods that is stated on the units
nameplate. For natural units a separate set of hoods will be provided for use on
propane gas. The propane hoods are located on the front panel. Factory set LP
models do not include the natural gas hoods.

6
LIGHTING INSTRUCTIONS
The appliance is equipped with standing pilots; each pilot is located next to each of the burners. Pilots should be
lighted immediately after the gas is turned on by the manual shutoff valve.
1. Turn control knobs to "OFF" position.
2. Light pilot with a lighted taper.
3 The pilot valves are located on the manifold installed
at the front of the unit behind the front panel. For
access to the valves
4. Loosen the set screws securing the knobs in position,
and remove the knobs. Remove the front panel,
which is attached to the frame with 4 sheet metal
screws.
5. Turn the adjustment screws on the front of the pilot
valves. The pilots should be adjusted to blue short
ame(1/4"high)tohavegoodignitiontotheburners.
Repeat for remaining pilots.
6. If the pilot(s) is out turn off gas, wait 5 minutes and
repeat steps (1) through (5).
ADJUSTING BURNERS
7. With control valve for the front burner turned to
full"ON"position,closetheairshutterstogivea
softblueamehavingluminoustipsandopentoa
point where the yellow tips disappear, then tighten
the locking screws. Repeat this procedure with the
remaining burners.
8. Install the front panel to the front of the frame & reconnect and secure the knobs back into position.
ADJUSTING UNIT FOR USE ON PROPANE GAS
Unitsareshippedwithoricesandpressureregulatorforoperationwithnaturalgas(6"watercolumn).Toconvert
unitfromnaturaltopropanegasfollowtheseinstructions(Note:LPmodelsarefactorysetforpropanegasanddo
notrequireaconversion.Thesecanbeconvertedtonaturalgasusingthenaturalgasoricesandconvertingthe
regulator to natural gas):
1. Set regulator outlet pressure to 10" water column. A 1/8" pipe plug on the manifold can be removed for
attaching a pressure gauge. Remove the slotted cover from the pressure regulator and invert the plug.
Replace the cover on the regulator and plug on the manifold. Regulator is now set at 10" W.C.
2. Removenaturalgasorices,#46forallmodelsandinstallpropaneorices,paintedblack,(#54forallmodels)
locatedinabagontheoutsideofthefrontpanel.Inordertoremovenaturalgasorices:
a. Remove grates and burners.
 b.Removeoricesfromthecontrolvalvesandttingsonextendedgaspipes,replacewiththepropaneorices.
c. Install burners and grates.
OPERATING PROCEDURE
Each burner will deliver up to 22,000 BTU/HR of heat on all models except 601SPRD (on 601SPRD each burner
is rated 55,000 BTU/HR for natural gas and 45,000 BTU/HR for propane) and is controlled by a manual On/Off
valve. The right control knob controls the front burner and the left control knob controls the rear burner on all models
except 601SPRD. On the 601SPRD, the right control knob controls the inner burner and the left control knob
controls the outer burner. After the pilot is once lit and adjusted, the burners will ignite automatically by turning the
control knob to any position between On and Off.CLEANING THE EXTERIOR (Stainless Steel Only)
The exterior surface can be kept clean and attractive by regularly wiping it with a clean soft cloth. Any discoloration
can be removed with a non-abrasive cleaner. The burner grates and trough tray can be removed for cleaning.
MAINTENANCE AND REPAIRS
Contact the factory or one of its representatives or a local service company for service or maintenance if required.
1/4”
Flame
Pilot Valve
Air Shutter
Control
Valve
Pilot
IL2426

7

Model: AMHP Gas Hotplate
SK2573 Rev. - 3/13/12
1
2
3
4
5
6
89
10
13
14
15
22
16
17
18
19
20
21
11
12
7

January 8, 2012
Model: Gas Hot Plate
Fig No. Part No Qty Description Application
1 2F-Z16681
2
CASTING
AMHP2
4 AMHP4
6 AMHP6
2 2F-Z0615
2
BURNER 7” ROUND
AMHP2
4 AMHP4
6 AMHP6
3 2I-Z0752
2
GASKET-BURNER
AMHP2
4 AMHP4
6 AMHP6
4 I4-602014
1
PILOT TUBE ASSY LONG
AMHP2
2 AMHP4
3 AMHP6
5 I4-602013
1
PILOT TUBE ASSY SHORT
AMHP2
2 AMHP4
3 AMHP6
6 2F-Z0747
2
VENTURI SHORT CASTING
AMHP2
4 AMHP4
6 AMHP6
7 2P-1453 1 PLUG-PIPE 1/8NPT SQ HD ALL
8
2J-602012
1MANIFOLD ASSEMBLY
AMHP2
2J-604002 AMHP4
2J-606002 AMHP6
9 2J-Z0792 1 REGULATOR AMHP2
10 2A-Z5942 4 FOOT, 4”, 1/2-13 AMHP2
11
I4-Z6024
1
PAN-12 AMHP2
I4-Z6025 PAN-24 AMHP4
I4-Z6026 PAN-36 AMHP6
12 2C-8833 AR SCREW 8-18X1/2 HEX STL NP AMHP2
13 2R-W498
2
KNOB-RED
AMHP2
4 AMHP4
6 AMHP6
14
2M-Z15723
1 FRONT GRAPHIC
AMHP2
2M-Z15724 AMHP4
2M-Z15725 AMHP6
15
I4-Z15873
1
FRONT PANEL-12 AMHP2
I4-Z15874 FRONT PANEL-24 AMHP4
I4-Z15875 FRONT PANEL-36 AMHP6
16 2V-Y8832
2
VALVE-MANUAL GAS
AMHP2
4 AMHP4
6 AMHP6
17 2A-Z0790
1
FITTING-STRAIGHT
AMHP2
2 AMHP4
3 AMHP6
18 2V-6671
2
VALVE-LINCOLN BRASS#3817
AMHP2
4 AMHP4
6 AMHP6
19 2V-Z0869
1
TUBE 3/8 DIA
AMHP2
2 AMHP4
3 AMHP6
20 2A-Y3961
1
ORIFICE FITTING
AMHP2
2 AMHP4
3 AMHP6
21 2A-Y3297 2,4,6 ORIFICE #46 NAT ALL
2A-Z1455 2,4,6 ORIFICE #54 LP ALL
22
I8-HP0061
1FRONT BULLNOSE ASSY
AMHP2
I8-HP0062 AMHP4
I8-HP0063 AMHP6