Antunes GST-1H User Manual
Flatbread Toaster
Model GST-1H
Manufacturing Numbers:
9210970 & 9210971
www.antunes.com
P/N 1011446 Rev. B 01/17
TABLE OF CONTENTS
Table of Contents 2
Warranty
Information 2
Service/Technical
Assistance 2
Important Safety
Information 3
Warnings 3
Specications 4
Installation 5
Operation 5
Light/Dark Adjustments 5
User Mode 6
Manager Mode 6
Safety Features 6
Hi-Limit Control 6
Purging product from Toaster 6
Fault Messages 6
Error Codes 6
Daily Cleaning 7
Replacing Belts 7
Removing Belts 7
Installing Belts 7
Cleaning the Top Cooling Fan and
Electrical Housing (Annually) 8
Troubleshooting 9
Replacement Parts 11
Wiring Diagram 17
NOTES 18
Limited Warranty 20
IMPORTANT
A.J. Antunes & Co. reserves the right to
change specifications and product de-
sign without notice. Such revisions do
not entitle the buyer to corresponding
changes, improvements, additions or
replacements for previously purchased
equipment.
WARRANTY
INFORMATION
Please read the full text of the Limited
Warranty in this manual.
If the unit arrives damaged, contact
the carrier immediately and le a damage claim with them. Save all packing
materials when ling a claim. Freight
damage claims are the responsibility of
the purchaser and are not covered under
warranty.
The warranty does not extend to:
y Damages caused in shipment or
damage as result of improper use.
y Installation of electrical service.
y Normal maintenance as out-
lined in this manual.
y Malfunction resulting from
improper maintenance.
y Damage caused by abuse
or careless handling.
y Damage from moisture into
electrical components.
y Damage from tampering with,
removal of, or changing any
preset control or safety device.
SERVICE/TECHNICAL
ASSISTANCE
If you experience any problems with the
installation or operation of your unit, contact Antunes Technical Service at 877-3927854 Toll Free in the U.S and Canada or at
630-784-0874.
Fill in the information below and have it
handy when calling your Authorized Service Agency for assistance. The serial number is on the specication plate located on
Purchased From
Date of Purchase
Model Number
Serial Number
Manufacturing Number
Use only genuine Antunes replacement
parts in this unit. Use of replacement parts
other than those supplied by the manufacturer will void the warranty.
IMPORTANT
Keep these instructions for future refer-
ence. If the unit changes ownership,
be sure this manual accompanies the
equipment.
2
P/N 1011446 Rev. B 01/17
IMPORTANT SAFETY
INFORMATION
Use the following guidelines for safe operation of the unit.
y Read all instructions be-
fore using equipment.
y For your safety, the equipment is
furnished with a properly grounded
cord connector. Do not attempt to
defeat the grounded connector.
y Install or locate the equipment only
for its intended use as described in
this manual. Do not use corrosive
chemicals in this equipment.
y Do not operate this equipment if
it has a damaged cord or plug, if
it is not working properly, or if it
has been damaged or dropped.
y This equipment should be serviced
by qualied personnel only. Contact
your nearest Authorized Service
Agency for adjustment or repair.
y Do not block or cover any
openings on the unit.
y Do not immerse cord
or plug in water.
y Keep cord away from
heated surfaces.
y Do not allow cord to hang over
edge of table or counter.
y Turn the power o, unplug the
power cord, and allow unit to
cool down before performing any
service or maintenance on the unit.
NOTE: Turning o the power switch
does NOT turn o all power to
the unit.
y The procedures in this manual may
include the use of chemical products. These chemical products will
be highlighted with bold face letters
followed by the abbreviated HCS
(Hazard Communication Standard).
See Hazard Communication Standard manual for the appropriated
Material Safety Data Sheets (MSDS).
y The equipment should be grounded
according to local electrical codes to
prevent the possibility of electrical shock. It requires a grounded
receptacle with separate electrical
lines, protected by fuses or circuit
breaker of the proper rating.
y All electrical connections must
be in accordance with local electrical codes and any
other applicable codes.
y Do not clean this appli-
ance with a water jet.
WARNINGS
Be advised of the following warnings
when operating and performing maintenance on this unit.
y If the supply cord is damaged, it
must be replaced by the manufacturer or its service agent or
a similarly qualied person
in order to avoid a hazard.
y Do not modify the power sup-
ply cord plug. If it does not t
the outlet, have a proper outlet
installed by a qualied electrician.
y Do not use an extension
cord with this appliance.
y Electrical ground is re-
quired on this appliance.
y Check with a qualied electrician if
you are in doubt as to whether the
appliance is properly grounded.
y When using a chemical cleaner,
be sure it is safe to use on cast
aluminum. Observe all precautions
and warnings on product label.
y Inspection, testing, and repair
of electrical equipment should
only be performed by qualied service personnel.
y Do not use a sanitizing solution or
abrasive materials. These may cause
damage to the stainless steel nish.
y Chlorides or phosphates in clean-
ing agents (e.g. bleach, sanitizers,
degreasers or detergents) could
cause permanent damage to
stainless steel equipment. The
damage is usually in the form of
discoloration, dulling of metal
surface nish, pits, voids, holes, or
cracks. This damage is permanent
and not covered by warranty.
y The following tips will help
in the maintenance of stainless steel equipment:
• Always use soft, damp cloth for
cleaning, rinse with clear water
and wipe dry. When required,
always rub in direction of metal
polish lines.
• Routine cleaning should be
done daily with soap, ammonia
detergent, and water.
• Stains and spots should be
sponged using a vinegar solution.
• Finger marks and smears should
be rubbed o using soap and
water.
• Hard water spots should be removed using a vinegar solution.
P/N 1011446 Rev. B 01/17
3
SPECIFICATIONS
17.25”
(438 mm)
23.4”
(593.4 mm)
(443.3 mm)
17.5”
26”
(661.8 mm)
Model &
Mfg. No.
GST-1H
9210970 &
9210971
Volts Watts Hertz
208 4600 60
Plug
Description
L6-30P 30 Amp.,
250 Volt,
Straight Twist Lock
20”
(510.7 mm)
4
P/N 1011446 Rev. B 01/17
INSTALLATION
CUT AND REMOVE WIRE TIES
BEFORE OPERATING UNIT
1. Remove unit and all packing mate-
rials from shipping carton.
2. Open the Accessories Box. It should
contain the following:
a. Chute
b. Feeder
c. Owner’s Manual
NOTE: If any parts are missing or dam-
aged, contact Antunes Technical Service IMMEDIATELY at
1-877-392-7854 or 1-630-784-
1000.
3. Remove all packing materials and
protective coverings from the unit
and accessories.
4. With assistance, place the unit in
the proper location.
5. Remove the top cover. Wipe the
top cover, chute, and feeder with a
clean sanitizer soaked towel. Allow
to air dry.
6. Wipe the entire exterior of the unit
with a clean sanitizer soaked towel.
Allow to air dry.
NOTE: Do NOT use a dripping wet
cloth. Wring out before use.
7. Attach the top cover, feeder and
chute (Figure 3).
IMPORTANT
Do NOT plug in the power cord or turn
the unit on before removing the wire
ties indicated in the following step.
Damage to the unit may result.
y Turn the unit o if it is on.
y Ensure the line voltage cor-
responds to the stated voltage
on the specication label and
power cord warning tag.
9. Plug the power cord into the ap-
propriate power outlet. Refer to the
specication plate for the proper
voltage.
Figure 1. - Flatbread Toaster (GST-1H)
OPERATION
1. Press and release the Power button
to turn the toaster on. Allow the
toaster to warm up until USE appears in the display
2. Insert product into the unit using
the feeder.
3. Finished product drops onto the
heated landing zone.
Light/Dark Adjustments
The light/dark value can be adjusted when
the unit is displaying “USE”. To adjust the
light/dark value, press the LIGHTER or
DARKER button. The display will change to
show the current light/dark value.
NOTE: The default light/dark value is
d0.
Press the LIGHTER or DARKER buttons to
change the light/dark value. The adjustment range is L1-L9 and d0-d9. L9 is the
lightest, d0 is the middle, and d9 is the
darkest setting.
To save the light/dark value, wait 5 seconds
until the screen displays “USE”.
NOTE: Adjusting the light/dark value
does NOT change the temperature. It changes the speed of the
conveyors. The light/dark value
will reset to the default value of
d0 when the unit is turned o.
8. Unlock and open the side panel
according to gure 2. Cut and
remove the wire ties indicated in
Figure 2.
When placing the toaster into service, pay
attention to the following guidelines.
y Make sure the unit is o and the
unit is at room temperature before
plugging in the power cord.
y Do not block or cover any
openings on the unit.
y Do not immerse the power
cord or plug in water.
y Keep the power cord away
from heated surfaces.
y Do not allow the power cord to
hang over edge of table or counter.
y Place the unit on a sturdy, level
table or other work surface.
P/N 1011446 Rev. B 01/17
Figure 2. - Removing Wire Ties
BACK PANEL
HEATED LANDING ZONE
Figure 3. - Components
5
TOP COVER
FEEDER
CHUTE
USER MODE
User Mode allows an operator to view the
toaster settings but does not permit any
adjustments.
1. Press and hold the PROGRAM but-
ton for 5 seconds. After 5 seconds,
the display will show the actual
temperature of the top Platen.
2. Press the LIGHTER button to toggle
between the Setpoint and actual temperature of the top Platen
Heater.
3. Press the PROGRAM button for 5
seconds. After 5 seconds, the display will show the actual temperature of the bottom Platen.
4. Press the LIGHTER button to toggle
between the Setpoint and actual
temperature of the bottom Platen
Heater.
5. Press the PROGRAM button to
proceed to the Motor Menu. The
display shows actual speed of the
motor.
6. Press the LIGHTER button to toggle
between the Setpoint and actual
speed of the Motor.
NOTE: The unit will exit User Mode af-
ter 5 seconds of keypad inactivity.
MANAGER MODE
Manager Mode allows an operator to view
and adjust the following settings:
y Heater Temperature (front/rear)
y Motor Speed
y Temperature Units
(Celsius or Fahrenheit)
Manager Mode also allows an operator to
view (but not adjust) the Ambient Temperature of the Control Compartment.
1. Press and release the Power button
to turn the toaster o.
2. Press and release the Power button
while holding the PROGRAM button. Continue holding the button
until “ENA” appears on the display
(after approximately 10 seconds).
3. Release the PROGRAM button. The
display shows the Heater Setpoint
Temperature.
4. To adjust the Heater Setpoint
Temperature, press the LIGHTER
or DARKER buttons to reach the
desired temperature.
NOTE: The supplied temperature set-
ting for the Platen is 580 °F (304
°C). It may be set from 500 °F
(260 °C) to 600 F (316 °C)
5. Press the PROGRAM button to
program the motor speed.
6. Adjust the Motor Speed Setpoint by
pressing the LIGHTER or DARKER
buttons to change the motor speed.
NOTE: The Motor Speed is adjustable
from 10-100. The supplied setting for Mfg. No. 9210970 is 98.
The supplied setting for Mfg.
No. 9210971 is 54.
7. Press the PROGRAM button to pro-
ceed to the Temperature Units.
8. To change the Temperatures units
from Fahrenheit or Celsius, press
the LIGHTER or DARKER buttons.
9. Press and hold the PROGRAM button to save any changes.
NOTE: The unit exits Manager Mode
after 30 seconds of keypad inactivity.
SAFETY FEATURES
Hi-Limit Control
A Hi-Limit Control turns o electrical power
to the heaters and control circuits and
displays HL if the unit overheats. To reset
the control:
1. Let the unit cool for 15 minutes.
2. Locate the Hi-Limit Controls on the
rear of the unit. Remove the black
protective cap.
3. Press and release the button. Reinstall the protective cap.
NOTE: If the Hi-Limit Control requires
continuous resetting, contact
your Authorized Service Agency.
Purging product from Toaster
If product gets stuck in the toaster, press
and hold both the UP and DOWN arrow
buttons to increase the belt speed until the
product is purged from the toaster.
Fault Messages
The unit displays fault messages when
there is a problem with the unit.
y “Hi” ashes if the Platen Heater
temperature is 30 °F more than the
Setpoint or if the Platen Thermocouple is disconnected or open.
y “CHEC” ashes when the control
compartment ambient temperature is more than 150 °F (66
°C). All heaters shut o. The unit
will not restart until the control
compartment ambient temperature falls below 140 °F (60 °C).
y “PO” ashes if the incoming
power drops below 190 volts.
The toaster shuts down.
y “StoP” ashes when the mo-
tor has stopped for seven
continuous seconds.
y “SpEd” ashes when the motor
speed drops 25% below the Setpoint for 30 continuous seconds.
y “HL” The Hi-Limit has tripped
and needs to be reset.
Error Codes
If any of the following Error Codes appear,
press and release the Power button to
turn the toaster o. Allow the unit to cool.
Then press and release the Power button
to turn the toaster on. If the error repeats,
contact your Authorized Service Agency
for assistance.
NOTE: ERR #1, 2 , 3, 5, 6, 7, and 30 to
51: Internal Error. Cycle the
power. If error persists, replace
the board.
Error Description
ERR 8 Motor running when it should be
o.
ERR 10 High Internal Temperature.
ERR 11 Shorted Thermocouple.
ERR 12 Open Thermocouple.
ERR 13 Slow warm up.
ERR 14 Shorted Solid State Relay (SSR).
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P/N 1011446 Rev. B 01/17
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