Holman Cooking/Star Mfg 314HX, 318HX Operation Manual

®

®

®

®

®

PROVEYOR

MULTI-PURPOSE OVEN

MODEL

314HX, 318HX Series

Installation and

Operation

Instructions

2M-HG0105 Rev. C 5/06/2011

314HX

1

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 [e-mail]

[e-mail]

[e-mail]

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 [e-mail]

Mailing Address: Star International Holdings Inc., Company

10 Sunnen Drive
St. Louis, MO 63143
U.S.A

2

TABLE OF CONTENTS

PAGE
Maintenance and Repairs 2
Star Contact information 2

Specications 3

General Information Data 4
Inspection & Assembly 4
Assembly and Installation 4
Heating Elements 5
Cooling System 5
Final Check 5
Electrical Connection 5
Stacking Ovens 6
Daily Operation 7
Oven Components 7
Operating Hints & Saftey 7
Cleaning 8
Maintenance Procedures 11
Troubleshooting Guide 13
Limited Equiptment Warranty 14
Wiring Diagram 15-18
Exploded View Illustration 20
Parts List 314HX 21
Parts List 318HX 22

ControlBoxConguration 23

SPECIFICATIONS
314HX

Rating/Connection: 5,400 Watts
NEMA Plug: 6-30P, 3 Phase: 6-30P
Electrical Supply: Separate service per oven - 8.7 Amp, 380/220 VAC, 3 phase, 50 Hz
Approximate Weight (314HX Oven with Legs): Installed - 86 Lbs (40 kg), Shipping - 115 Lbs (52 kg)
Dimensions: Width: 60" (152.4 cm) - Oven with Shelves
Depth: 21 1/4" (54 cm)
Height: 16 1/8" (40 cm) - Single Oven with Legs

318HX

Rating/Connection: 6,200 Watts
NEMA Plug: 6-30P, 3 Phase: 6-30P
Electrical Supply: Separate service per oven - 9.9 Amp, 380/220 VAC, 3 phase, 50 Hz
Approximate Weight (318 Oven with Legs): Installed - 96 Lbs (44 kg), Shipping - 130 Lbs (59 kg)
Dimensions: Width: 60" (152.4 cm)
Depth: 24 7/8" (63.2 cm)
Height: 16 1/8" (40 cm) - Single Oven with Legs

3

CAUTION

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.

Before using your new equipment, read and understand all the instructions & labels associated with
the unit prior to putting it into operation. Make sure all people associated with its use understand the
units operation & safety before they use the unit.

All shipping containers should be checked for freight damage both visible and concealed. This
unit has been tested and carefully packaged to insure delivery of your unit in perfect condition. If
equipment is received in damaged condition, either apparent or concealed, a claim must be made
with the delivering carrier.

Concealed damage or loss - if damage or loss is not apparent until after equipment is unpacked, a
request for inspection of concealed damage must be made with carrier within 15 days. Be certain to
retain all contents plus external and internal packaging materials for inspection. The carrier will make
an inspection and will supply necessary claim forms.

INSPECTION & ASSEMBLY

UNCRATING AND INSPECTING

Unpack the unit and components from the shipping container. Remove all visible packing material

andthosefrominsidethecookingchamber.Ifdamageisdiscovered,leaclaimimmediatelywith

the carrier that handled the shipment. Do not operate the unit if it was damaged during shipping.
The following should be included: Proveyor Multi-Purpose Oven, Stainless Steel Load Up & Unload

Trays, 4 Stainless Steel Legs.

CAUTION

CAUTION

REMOVE ALL HEATING ELEMENT SHIPPING SUPPORTS PRIOR TO PLACING YOUR
UNIT INTO OPERATION.

ASSEMBLY AND INSTALLATION

Theunitwasshippedwithcertainassemblyrequired,plugintoastandardoutletspeciedforits
voltageandampdraw.Ifimproperelectricalsupplyisdetermined,contactaqualiedelectricianprior

to using the unit. Removal and replacement of the power cord and plug will void the warranty. For
assistance, contact your local authorized service agent for service or required maintenance.

Attach the 4 legs by screwing them into the weld nuts located on the bottom of the unit. When
complete, use two people to carefully turn the unit upright. Level unit by adjusting the feet
(approximately 1/2" adjustment). Never operate unit without proper legs in place.

Beforeusingtheunitforthersttime,wipedowntheexteriorwithadampcloth.

CAUTION

Allow enough space around the oven for adequate ventilation. Do not operate the unit without the
crumb tray properly positioned. Overheating and poor baking may occur. Read all labels on the unit
and follow their instructions.

LEG INSTALLATION

4

ASSEMBLY AND INSTALLATION continued

CLEAN

OPERATE

UNLOAD TRAY

LOAD TRAY

CRUMB TRAY

CRUMB TRAY

TYPICAL LEFT TO RIGHT CONFIGURATION

IL1001

ADJUSTABLE

HEAT SHUTTERS

Install unit in its operating

positionallowsufcientspacefor

operating personnel. Install the
Load, Unload and Crumb Trays
as shown, making sure the ends
are at least 6" from any vertical
combustible surfaces.

Have an electrician connect input
power to the unit(s) in accordance
with local electrical codes. A
connection terminal block is inside
the left side cavity for models not
provided with a cord and plug set.

HEATING ELEMENTS

Inspect all heating elements in
the unit for breakage. Every unit
is properly tested prior to leaving
the factory, but damage may of
occurred during shipping. If a broken tube is found, do not apply power to the unit. If everything
checks out, Turn on Main Power Switch, Turn both heat controls and conveyor belt speed control to
the maximum setting and check all heater tubes and conveyor for proper operation.

COOLING SYSTEM

After the unit is initially turned on, allow 5 to 8 minutes for the fan cooling system to come on. Once

on,checktheairintakearealocatedundertheunitandbesurethatthereisasufcientowofair

into the control box. Keep area under the unit clean from obstructions that may result in restricted air

owtothecontrolbox.Restrictingtheairowwillcausetheunittorunhotterthendesigned,causing

the Hi-Limit to turn unit off. See the Oven Components section on page 7 for control box & Hi-Limit
Reset locations.

WARNING

WARNING

FINAL CHECK

If all heaters and conveyor systems are operating properly, switch the master on/off switch to the OFF
position and allow unit to cool, the fan will continue to circulate air, cooling the unit until the internal
temperatures have been decreased.

If a problem is discovered during any of these start-up procedures, immediately switch the master
on/off switch to the OFF position

and notify the Star Service Department at [phone].

ELECTRICAL CONNECTION

Before making any electrical connection to this unit, check that the power supply is adequate for the
voltage, amperage and requirements stated on the rating plate.
A wiring diagram is included herewith.

Disconnect the unit from the power source before installing or removing any parts.
Be absolutely sure that the ground connection for the receptacle is properly wired. Do not connect

equipment to power without proper ground connections. Improper grounding may result in personal
injury or fatality.

DO NOT CUT OR REMOVE THIS PLUG OR GROUNDING PRONG FROM THE PLUG.
CONNECT/PLUG UNIT INTO DEDICATED A.C. LINE ONLY SPECIFIED ON THE DATA

PLATE OF THE UNIT.

5

OVEN

OVEN

STACKING SPACER

EXTERNAL AIR
DUCT

EQUIPMENT

STAND

IL1020

SET-SCREW

CUT OUTS

STACKING OVENS

When stacking two Holman Proveyor Ovens a stacking spacer with an external air duct MUST be
used to prevent overheating of the control box of the top oven.

1. If a cart is to be used with units, place bottom unit on cart and align leg holes of unit with the holes
on the cart. Insert 3/8" bolts through cart and into leg holes to secure bottom unit to cart as shown
below.

2.

Place stacking spacer on top of bottom oven with internal air duct facing up and towards the rear

of the oven.

3. Mount external air duct on stacking spacer as shown below. External air duct must be installed
for cooling system of top unit to function properly.

4. Screw cap screws (Qty 4) into leg hold on the top oven.

5. Place top oven on stacking spacer. Cap screws will set into cut out in top of stacking spacer to
lock unit into position.

NOTE: Air intake of top unit must

t over the internal air duct of
stacking spacer to allow airow
into the control box of the top
oven.

TOP UNIT: cap screw, screws

into leg holes, unit sits on top of
spacer.

STACKING SPACER:

(REQUIRED)

Sits on top of bottom

oven.

EXTERNAL AIR DUCT: Mounts

onto spacer, pointing downward.

BOTTOM UNIT: Can be placed on

a counter or mounted on cart as
shown.

Cart:

Mounting

bolts for bottom
unit screw into leg holes through
the top cart frame.

6

ADJUSTABLE HEAT SHUTTER

(QTY 2)

LOAD TRAY

UNLOAD TRAY

IL1006

ON/OFF
SWITCH

PILOT
LIGHT

UPPER

HEAT

CONTROL

LOWER

HEAT

CONTROL

CONVEYOR

SPEED

FRONT

HEAT

CONTROL

(3 Phase only)

CONTROL

BOX

HI-LIMIT
SWITCH

POWER

CORD

CRUMB

TRAY

(QTY 2)

AIR INTAKE

FAN

CAUTION

DAILY OPERATION

Baking in these units is a combination of heat and belt speed. Some foods may require more top
heat or visa versa; other foods may require low top and bottom heat and slow belt speeds. Every
product should, therefore, be tested using the separate top & bottom controls and the variable speed
control to arrive at the correct balance of heat and belt speed. When changing heat and or belt speed
setting allow approx. 5 minutes for the oven to stabilize itself at the new settings.

Check the power cord to insure that it is plugged into a proper outlet.
Always allow 10 to 15 minutes of preheat time before loading the unit with product. Failure to

allowsufcientpreheattimewillresultinunsatisfactorycookinguntiltheunitreachesoperating

temperature.

1)

Turn the master on/off switch to the ON position.

2) Set both the top and bottom heat controls to 500°F (260°C).

3-Phase Control Units, set front heat controls to 500°F (260°C)

3)

Turn conveyor speed control to the fastest setting.

4) Allow 10 to 15 minutes for initial warm up,
(5

to 8 minutes to reach adjusted temperature, once unit is fully warmed up)

CERTAIN SURFACES ARE EXTREMELY HOT DURING OPERATION AND CARE SHOULD
BE TAKEN WHILE USING THIS UNIT.

OVEN COMPONENTS

OPERATING HINTS AND SAFETY

Disconnect power to the unit with the switch at the end of each day of operation.
Do not leave the unit in operation without an attendant.
Do not leave the unit at high temperature when not in use or during idle periods. This will cause food

particlesandgreaselmtocarbonize.Itwilltakeonlyafewminutestoregainoperatingtemperature.

7

WARNING

IL1023

CAUTION

CLEANING

Preventive maintenance for your Holman Oven consists of the following recommended cleaning
procedures. To keep your oven in its top operating condition, these steps should be performed on a
daily, weekly or as indicated.

DISCONNECT UNIT FROM POWER SUPPLY OR TURN POWER OFF AT WALL

BREAKER.

DAILY

1. Turn main power switch to the OFF position. Disconnect unit from power source and
allow to cool.

2. Using a mild detergent, wipe exterior surfaces, clean with a damp cloth.
a.

For lightly soiled build-up, clean with a damp cloth.

b. For heavily soiled build-up, use an soft damp cloth and mild detergent.

DO NOT use caustic cleaners.

3. Remove
warm water.

4. Remove each crumb tray by sliding each of them out from under the conveyor belt.
Clean
DO NOT use caustic cleaners. Place trays back in place prior to putting unit back into

operation.

5. Reconnect

WEEKLY

1. T

urn main Power switch to the OFF
position. Disconnect unit from power
source and allow to cool.

2.

Perform daily cleaning procedures.

3. Using a damp cloth, wipe clean the fan
guard
under the unit.

the load & unload tray by lifting them out of position. Clean using mild detergent and

crumb trays by wiping with a damp cloth and mild detergent.

power.

located on the control box cover

WARNING

CLEAN CONVEYOR BELT

4. Reconnect power or turn power back on.

5. Switch the ON/OFF switch to the ON
position, and turn Conveyor to its fastest
setting.

6. With

7. When the Conveyor Belt is clean, take a damp cloth and wipe the conveyor, removing

8. Remove the Crumb Trays by sliding out from beneath the conveyor belt. Clean the

the Conveyor turned on and the crumb trays in place, take a wire grill brush or dry abrasive
pad, clean the exposed surface of Conveyor Belt by passing the brush or pad, back and forth
across the surface of the Conveyor Belt as the belt moves past. Continue until the entire belt is
clean. Make sure the Crumb Tray is installed, this will minimize the amount of particles that fall
into the oven.

any loose particles on the belt surface. Turn Conveyor OFF.

Crumb Trays by wiping with a damp cloth and mild detergent.

NOT use caustic cleaners.

DO
DO NOT RUN CONVEYOR OVEN WITHOUT CRUMB TRAYS INSTALLED.

CLEANING CONVEYOR BELT

DO NOT IMMERSE OR LET THE UNIT STAND IN WATER.
DO NOT HOSE DOWN THE UNIT OR THE TABLE/COUNTER IF THE UNIT IS ON THE

TABLE/COUNTER.
KEEP AWAY FROM RUNNING WATER.

8

CLEANING CONTINUED

1.

2.

3.

IL1021

MOUNTING STUD

COUPLER

BELT SUPPORT ROD

IL1022

MONTHLY

1. Turn main power switch to the OFF position. Disconnect unit from power source and allow to
cool.

2. Perform daily & weekly cleaning procedures.

REMOVAL & CLEANING CONVEYOR BELT

3. Heavily soiled conveyor surfaces, locate the Master

on the conveyor belt. Follow the step 1 in Fig 1, to

Links
remove all of the Master Links. 314 models have 3 master
links, 318 models have 4 master links.

4. Now that the links have been un-hooked, the conveyor can
now be carefully removed from the oven. Standing at one end
of the oven. Starting with the end on the bottom, roll the
conveyor belt until it has been totally removed. Take careful
notice being sure not to damage the heater tubes.

5. Clean conveyor belt in deep sink, caustic cleaners may be
used. For a heavy soiled conveyor belt, soak over night in hot soapy water.

NOTE: DO NOT ATTEMPT TO CLEAN THE HEATER TUBES.

6. Take this opportunity to
clean and remove any
loose materials inside the
unit. Using a mild cleaner
and damp cloth, carefully
wipe the inside surfaces
being sure NOT to clean
the heater tubes. DAMAGE

CAN OCCUR TO THE
HEATER TUBES FROM
IMPROPER CLEANING.

CAUTION

DO NOT SPRAY

CLEANING SOLUTIONS
INTO OVEN CAVITY.

7. Remove the conveyor
support system as shown
in Fig 2. by removing the
Couplers from the mounting Studs. Clean by warm water and abrasive pad.

8. Reinstall the conveyor support system.

9. Reinstallconveyorbeltbyrstlayingthebeltalongthebottomoftheovencavitymaking 

sure the hooks on the sides are facing the inside and the ends of the hooks will be
pointing away form the direction of the belt so not to catch on any internal components
once put back into operation.

NOTE: THE DIRECTION OF THE BELT.

10. Next, pull one end of the conveyor belt over the top of the sprockets, (being sure to line the links
up properly with the sprockets) bringing the two ends together.

11. Reinstall the previously removed master links as shown in steps 2 & 3 in Fig. 1.

12. Examinetheoventoassureproperinstallation,oncesatised,installcrumbtraysifyou 

have not done so.

13. Reconnect oven to power supply and check for proper operation.

IF ASSISTANCE IS REQUIRED, CALL THE STAR SERVICE TEAM AT [phone].

9