Nieco MPB94 Parts List
Model MPB94
Owner’s Manual
A PP R O V AL S :
F O R Y O U R S A F E T Y:
Do not store or use gasoline or other flammable vapors or liquids in the vicinity of this or any
other appliance.
W A R N I N G :
Improper installation, adjustment, alteration, maintenance can cause property damage, injury, or
death. Read the installation, operating and maintenance instructions thoroughly before installing
or servicing this equipment.
Broiler area must be kept free of combustible materials, and the flow of combustion and ventilation
air must not be obstructed. Operating personnel must not perform any maintenance or repair
functions. Contact your Nieco Authorized Dealer.
IMPORTANT: RETAIN THIS MANUAL IN A SAFE PLACE FOR FUTURE REFERENCE
Revise d 3 /18/2008
TABLE OF CONTENTS
A. General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
A.1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
A.2 Warranty Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
A.3 Service/Technical Assistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
A.4 Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
B. Machine Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
B.1 Pre-Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
B.2 Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
B.3 Leveling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
B.4 Hood Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
B.5 Clearance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
B.6 Gas Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
B.7 Flexible Gas Line Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
B.8 Restraining Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
B.9 Electrical Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
B.10 Pre-Operation Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
C. Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
C.1 Controls and Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
C.2 Step-by-Step Lighting Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . .13
C.3 Shutdown Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
C.4 Control Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
D. Assembly/Disassembly and Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
E. Troubleshooting Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
F. Parts Location Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
G. Replacement Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
H. Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
I. Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
J. Warranty Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
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Nieco Corporation - Model MPB94
A.1 Description
A. GENERAL INFORMATION
he Nieco
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burners, electric elements, a new, simplified ignition system, easy cleaning and
a simple and intuitive control package to help eliminate broiling problems and
provide the operator with even greater control over the broiling environment.
This manual provides the safety, installation and operating procedures for the
Nieco Automatic Broiler Model MPB94. We recommend that all information
contained in this manual be read prior to installing and operating the broiler.
®
odel MPB94 automatic broiler features high release convection
M
A.2 Warranty Information
Please read the full text of the limited Warranty in this manual.
If the unit arrives damaged, contact the carrier immediately and file a damage
claim with them. Save all packing materials when filing a claim. Freight damage
claims are the responsibility of the purchaser and ARE NOT covered under warranty.
The warranty does not extend to:
• Damages caused in shipment or damage as a result of improper use.
• Installation of electrical service.
• Normal maintenance as outlined in this manual.
• Malfunction resulting from improper maintenance not in accordance with the steps contained in
this manual and any applicable training.
• Damage caused by abuse or careless handling outside of the normal operating procedures
contained in this manual.
• Damage from moisture into electrical components.
• Damage from tampering with or removal of any safety device.
IMPORTANT!
Keep these instructions for future reference. If the unit changes ownership,
be sure this manual accompanies the equipment.
IMPORTANT
The Nieco Corporation reserves the right to change specifications and product design in
accordance with the general terms and conditions outlined in the BURGER KING®/Vendor
agreement. Such revisions do not entitle the buyer to corresponding changes, improvements,
additions or replacements for previously purchased equipment.
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Nieco Corporation - Model MPB94
A.3 Service/Technical Assistance
f you experience any problems with the installation or operation of your broiler, contact your local
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Authorized Nieco Distributor.
Fill in the information bellow and have it handy when calling your authorized service agency for assistance.
The serial number is on the broiler rating plate on the side of the unit.
urchased from:
P
Date of Purchase:
Model No.:
Serial No.:
For the name of your local Authorized Nieco Distributor, please call (800) 821-2141.
Use only genuine Nieco replacement parts in your broiler. Use of replacement parts other than those supplied by Authorized Nieco Distributors and Service Agencies will void the warranty and may significantly
alter the performance of your broiler. Nieco and the Burger King Corporation have worked together to create a set of standards for broiler performance, food quality and food safety. The use of non-Nieco parts is
capable of affecting these criteria, and may affect broiler performance, parts longevity and food safety. Your
local Authorized Nieco Distributor and Service Agent has been factory trained and has a complete supply
of parts for your Nieco Automatic Broiler.
You may contact the factory direct at (707) 284-7100 if you have trouble locating your local Nieco
Distributor.
A.4 Important Safety Information
Throughout this manual, you will find the following safety words and symbols that signify important safety
issues with regards to operating or maintaining the equipment:
WARNING
GENERAL WARNING. Indicates
information important to the proper
operation of the equipment. Failure
to observe may result in damage to
the equipment and/or severe bodily
injury or death.
CAUTION
GENERAL CAUTION. Indicates
information important to the proper
operation of the equipment. Failure
to observe may result in damage to
the equipment.
ELECTRICAL WARNING. Indicates
information relating to possible
shock hazard. Failure to observe
may result in damage to the equipment and/or severe bodily injury or
death.
HOT SURFACE WARNING. Indicates
information important to the handling of equipment and parts.
Failure to observe caution could
result in personal injury.
WARNING
WARNING
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Nieco Corporation - Model MPB94
A.4 Important Safety Information (Continued.)
n addition to the warnings and cautions in this manual, use the following guidelines for safe operation of
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your Nieco Automatic Broiler:
• Read and follow all instructions before using this equipment.
• Install or locate broiler only for its intended use as described in this manual.
• Do not operate this equipment if it has a damaged cord or plug, if it is not working properly or if it
as been otherwise damaged.
h
• This equipment should only be serviced by authorized personnel. Contact your local Nieco
Distributor for adjustment or repair.
• Use only genuine Nieco replacement parts for your broiler. Failure to do so will void the warranty
and may significantly alter the performance of your broiler. Nieco and the Burger King
Corporation have worked together to create a set of standards for broiler performance, food quality
and food safety. The use of non-Nieco parts is capable of affecting these criteria, and may affect
broiler performance, parts longevity and food safety.
The following warnings and cautions appear throughout the manual and should be carefully
observed:
• Turn the broiler off, close the main gas valve, and disconnect the plug before
performing any service, maintenance or cleaning on the broiler.
• Always allow the broiler to fully cool before performing any service, maintenance or
cleaning. Failure to wait for the broiler to cool fully may result in personal injury.
• The procedures in this manual may include reference to the use of chemical products.The
Nieco Corporation does not endorse the use of any particular cleaning/degreasing agent.
Use only those chemicals that are approved for use in the BURGER KING® SYSTEM.
• The broiler 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 breakers of the proper rating.
• All electrical connections must be in accordance with local electrical codes and any other
applicable codes.
• The use of adequate ventilation (as rated in this manual) with this broiler is mandatory.
Failure to adequately ventilate this unit and provide safe operating distances (as specified
in this manual) is a fire safety hazard. Follow the instructions for emergency broiler
shutdown in the event of an emergency.
• No attempt should be made to operate this appliance in the event of a power failure.
WARNING ELECTRICAL SHOCK HAZARD. FAILURE TO FOLLOW THESE INSTRUCTIONS COULD
RESULT IN SERIOUS INJURY OR DEATH:
_
Electrical ground is required on this appliance.
_
Check with a qualified electrician if you are in doubt as to whether the appliance is properly
grounded.
_
Do not use water on or near the control box for risk of serious injury or death due to
electrical shock.
WARNING, HIGH TEMPERATURES WITH HOT SURFACES. FAILURE TO FOLLOW THESE PROCEDURES COULD RESULT IN SERIOUS INJURY:
_
Do not attempt to clean, disassemble or perform maintenance on this broiler until it is fully
cooled as per the instructions contained in this manual.
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Nieco Corporation - Model MPB94
B. INSTALLATION
B.1 Pre-Installation
Uncrate the broiler and inspect for shipping damage. Remove the tape securing the machine parts, and
install the parts in their proper location. If there are obvious or concealed damages to any part of the
roiler, please contact your freight carrier. The factory warranty does not cover freight damage.
b
B.2 Mounting
Follow the mounting instructions if this function is not performed by the installer.
B.3 Leveling
The grease drain system is based on a gravity-flow design. Therefore, it is extremely important that the
broiler be placed on a level surface.
B.4 Hood Requirements
This appliance must be installed under a ventilation hood of adequate size and the following minimum
capacity:
Model Minimum SCFM Recommended SCFM
MPB94 700 1000
Do not obstruct the flow of combustion and ventilation air. An adequate air supply must be available for
safe and proper operation.
For installations in the Commonwealth of Massachusetts the following shall apply: Venting shall be in
compliance with NFPA Section 10.3.5.2 for the Model MPB94.
B.5 Clearance
Keep appliance area free from combustibles.
To facilitate disassembly and service of the unit a minimum of 24” (610 mm) should be allowed on the
control panel (feed end) of the broiler.
REQUIRED AND RECOMMENDED CLEARANCES
Back of broiler
Sides of broiler
Front of broiler
(Feed end)
REQUIRED for
installation near
combustible walls
and construction
12” (305 mm)
12” (305 mm)
12” (305 mm)
REQUIRED for installation near non-combustible walls and
construction
0” (0 mm)
0” (0 mm)
0” (0 mm)
RECOMMENDED by
Nieco for proper disassembly and service
0” (0 mm)
0” (0 mm)
24” (610 mm)
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Nieco Corporation - Model MPB94
B.6 Gas Connection- 3/4” N.P.T.
At rated input the gas supply should deliver a minimum pressure of at least 15 mbar (6" water column)
t the broiler connection for natural gas. Incoming gas supply pressure must not exceed 50 mbar (14"
a
water column).
Note: The installation of this appliance must conform with local codes, or in the absence of local codes,
with the National Fuel Gas Code, ANSI Z223.1, Natural Gas Installation Code, CAN/CGA-B149.1
including:
1. The appliance 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 psi (3.45 kPa).
2. The appliance 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 psi (3.45 kPa).
By public initiative, the State of California has adopted legislation (Proposition 65) which requires
manufacturers of many types of products, including gas appliances, to warn consumers of their
products that contain chemicals or produce substances listed by the State of California to either
cause cancer, birth defects or other reproductive harm.
WARNING
If not installed, operated and maintained in accordance with the manufacturers instructions, this
product could expose you to substances in fuel or from fuel combustion which can cause cancer,
birth defects or other reproductive harm.
B.7 Installing Gas Appliance Connectors and Flexible Gas Lines Correctly
For safety in the kitchen area, and to insure maximum service life, it is vitally important to correctly install
connectors. The connector shall comply with the Standard for Connectors for Moveable Gas Appliances,
ANSI Z21.69 or CAN/CGA-6.16 and a quick disconnect device that complies with the Standard for QuickDisconnect Devices for use with gas fuel, ANSI Z21.41 or CAN1-6.9
In order to avoid sharp kinks or excessive bends that could have a damaging effect on the connector, it
may be necessary to attach pipe elbows in order to bring the connector into its proper plane. For easy
movement of the appliance, the connector should be installed with a "lazy" loop for minimum tension.
Note: Gas appliances should be disconnected prior to maximum movement. (Minimal movement is
possible to connect hose.)
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Nieco Corporation - Model MPB94
B.8 Restraining Device Installation and Use
his high strength restrainer is to be used with all moveable (castered) appliances. It fully complies with
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American Gas Association requirements. References: Z21.69, Z83.11, and Z21.41 with current revisions.
Installation is quick and positive. In Canada, device is in accordance with CAN 1-6.9-M70 Quick
Disconnect Devices for use with gas fuel, and CAN 1-6.10-88 metal connectors for gas appliances.
Correct length for any appliance is simply a matter of loosening two adjuster clips (1) and re-tightening.
3" to 6" shorter than appliance connector is desired length.) Restrainer is made of heavy duty steel
(
cable, with a strong scissor hood (2) at one end, and an equally strong spring hook (3) at the other.
Cotter pin (4) is supplied to secure the installation. For proper attachment to the broiler, use the supplied
hardware to attach the device to the holes in the shear plate of the broiler stand.
NOTE: If disconnection of the restraint is necessary, reconnect the restraint after the appliance
has been returned to its originally installed position.
B.9 Electrical Connection
Power requirements are stated on the unit nameplate and must be connected accordingly. This appliance, when installed must be electrically grounded in accordance with local codes, or in the absence of
local codes, with the National Electrical Code, ANSI/NFPA 70, or the Canadian Electrical Code, CSA
C22.2, as applicable. Before starting broiler, tighten all electrical connections in control box. An electrical
wiring diagram can be found inside the control box.
Note: Disconnect power before servicing.
B.10 Pre-Operation Check
Be sure that all parts are installed in the proper location:
Ventilation is turned on
Broiler is plugged in
Gas line is connected
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Nieco Corporation - Model MPB94
C. OPERATION
C.1 Controls and Indicators for broilers not equipped with the Energy Management System
(EMS)
ON THE MAIN SIDE
Ignition Failure Light
N THE FLEX SIDE
P/N 17201
Belt Speed Control
P/N 13727
Load Sensing Control
P/N 13570-B
On/Off Indicator Light
P/N 4100
O
Multi Product Control
P/N 15161
ON DISCHARGE END
Gas Gauge
P/N 16036
Main On/Off Switch
P/N 15480
BEHIND BOTH CONTROL BOXES
Belt Reverse Buttons - Push to reverse the
belts in case of a jam.
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Nieco Corporation - Model MPB94
C.1 Controls and Indicators for broilers equipped with the Energy Management System
(EMS)
N THE MAIN SIDE
O
Ignition Failure Light
P/N 17201
Belt Speed Control
P/N 13727
Load Sensing Control
P/N 13570-B
On/Off Indicator Light
P/N 4100
Main On/Off Switch
P/N 18167
ON THE FLEX SIDE
Multi Product Control
P/N 15161
EMS Indicator Lights
BEHIND MAIN SIDE CONTROL BOX
Belt Reverse Button - Push to reverse
the belt in case of a jam.
EMS Override Button - Push to move belt if
product is left in the chamber after the broiler
has been put in EMS mode.
ON DISCHARGE END
Gas Gauge
P/N 16036
BEHIND FLEX SIDE CONTROL BOX
Belt Reverse Button - Push to reverse
the belt in case of a jam.
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Nieco Corporation - Model MPB94
C.1 Controls and Indicators - Flex Side
1
2
3
4
5
-
+
(1)
(3)
(2)
(1) LED DISPLAY - Shows current product selection and cook time.
(2) PRODUCT SELECTION BUTTONS - Press to select different presets for different products.
(3) ADJUSTMENT KNOB - Use to adjust product cook times, element settings and product names.
(4) SELECTION INDICATOR LIGHT - Lights up to show which button is selected.
(4)
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Nieco Corporation - Model MPB94
C.2 Lighting Procedures
PRE-LIGHTING PREPARATION
1. Broiler is
centered under
hood and
plugged in
2. Gas valve is
open when
handle is in line
(parallel to) the
pipe
3. Turn ventilation
system on
THE VENTILATION SYSTEM MUST
BE ON AT ALL TIMES DURING
BROILER OPERATION. OPERATING
BROILER WITHOUT PROPER
VENTILATION IS A SEVERE FIRE
HAZARD.
WARNING
NORMAL IGNITION
The MPB94 is equipped with automatic ignition. When the broiler is turned on, a hot surface ignitor turns on 5 seconds
before the flow of gas. Gas then flows to all of the burners. If the burners are not lit within 10 seconds, the control will
reset and try again for 10 seconds. This occurs 3 times. If the broiler does not light after the third attempt, the ignition
failure light will flash and the main on/off switch must be cycled to repeat the procedure. If this still doesn’t light the
broiler, see the MANUAL IGNITION instructions.
1. Turn the MAIN POWER SWITCH on. For a broiler
equipped with the EMS controls, turn the main power
switch to position two (2). NOTE: The main side belt will
not turn for the first six minutes of start-up.
1.
2. Check GAS PRESSURE GAUGE reading. Gauge
should read 4.5”*. If the gauge is not easy to see look to
make sure that all burners - upper and lower - have lit.
3. Allow broiler to heat for 45 minutes before cooking.
During the warm up period, the control will display “Lo”
(low). Do not cook during the warm up period.
4. Allow broiler to heat for 45 minutes before cooking.
After warm-up period, the load sensing control should
read “Rdy” (ready).
EMS SWITCH
STANDARD SWITCH
2.
3.
4.
*For Natural Gas only. For LP broilers: Gas pressure
should be 11”.
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Nieco Corporation - Model MPB94
C.2 Lighting Procedures (Continued.)
MANUAL IGNITION
1. Remove the discharge awning. Turn the MAIN POWER
SWITCH on. For broilers equipped with the EMS controls,
turn the main power switch to position two (2). Hold a
lighter/match to the first upper burner on the discharge
end until the burner lights. Once the first burner is lit, verify that all burners have ignited.
2. Check GAS PRESSURE GAUGE reading. Gauge
should read 4.5”*. If the gauge is not easy to see look to
make sure that all burners - upper and lower - have lit.
*For Natural Gas only. For LP broilers gas pressure should be 11”.
C.3 Shutdown Procedures
PLANNED SHUTDOWN
1. Allow the broiler
to run free of
any product for
10 minutes.
This will burn
the chain clean.
2. Turn off the
Main Power
Switch.
EMS SWITCH
STANDARD SWITCH
3. Wait for 30
minutes
for the
broiler to
cool.
EMERGENCY SHUTDOWN
1. Turn off the
MAIN POWER
SWITCH.
EMS SWITCH
STANDARD SWITCH
2. Close the
MAIN GAS
VALVE
Valve is closed when
it is perpendicular to
pipe.
Your Nieco Automatic Broiler is designed to automatically stop gas flow to the broiler in the event of
power failure, gas pressure loss or any other related incident. No attempt to operate this appliance
should be made in the event of a power failure.
CAUTION
In a prominent location, post
instructions to be followed in the
event the user smells gas. This
information shall be obtained by
consulting your local gas supplier.
CAUTION
FOR YOUR SAFETY: Do not store
or use gasoline or other flammable
vapors or liquids in the vicinity of
this or any other appliance.
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Nieco Corporation - Model MPB94
CAUTION
FOR YOUR SAFETY: In the event of
a prolonged power failure, no
attempt should be made to operate
this appliance.
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