These merchandisers are manufactured to
meet ANSI / National Sanitation Foundation
®
(NSF
) Standard #7 requirements. Proper
installation is required to maintain certification.
Near the serial plate, each case carries a label
identifying the type of application for which
the case was certified.
ANSI/NSF-7 Type I - Display Refrigerator / Freezer
Intended for 75°F / 55% RH Ambient Application
ANSI/NSF-7 Type II - Display Refrigerator / Freezer
Intended for 80°F / 55% RH Ambient Application
ANSI/NSF-7 - Display Refrigerator
Intended for Bulk Produce
HUSSMANN PRODUCT CONTROL
The serial number and shipping date of all
equipment is recorded in Hussmann’s files
for warranty and replacement part purposes.
All correspondence pertaining to warranty or
parts ordering must include the serial number
of each piece of equipment involved. This is to
ensure the customer is provided with the correct parts.
Apparent Loss or Damage
If there is an obvious loss or damage, it must
be noted on the freight bill or express receipt
and signed by the carrier’s agent; otherwise,
carrier may refuse claim.
Concealed Loss or Damage
When loss or damage is not apparent until
after equipment is uncrated, retain all packing
materials and submit a written response to the
carrier for inspection within 15 days.
LOCATION
These merchandisers are designed for
displaying products in air conditioned stores
where temperature is maintained at or below
the ANSI / NSF-7 specified level and relative
humidity is maintained at or below 55%.
Recommended operating ambient
temperature is between
65°F (18°C) to 75°F (23.9°C).
Maximum relative humidity is 55%.
SHIPPING DAMAGE
All equipment should be thoroughly examined
for shipping damage before and during
unloading. This equipment has been carefully
inspected at our factory. Any claim for loss
or damage must be made to the carrier. The
carrier will provide any necessary inspection
reports and/or claim forms.
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
Placing refrigerated merchandisers in direct
sunlight, near hot tables or near other heat
sources could impair their efficiency. Like
other merchandisers, these merchandisers are
sensitive to air disturbances. Air currents
passing around merchandisers will seriously
impair their operation. Do NOT allow air
conditioning, electric fans, open doors or
windows, etc. to create air currents around the
merchandiser.
LBN Horizontal Merchandisers
Page 8
1-2InstallatIon
SELF CONTAINED (LOCATION)
LBN-4, 6, 7 and 8 each have front condenser
air intake and discharge. Maintain a minimum
clearance distance of two feet in front of the
merchandiser so that air discharge and air intake
is not obstructed.
LBN-10 requires a 2 inch minimum clearance
behind the merchandiser. A 24 in. clearance
must be maintained in front of the merchandiser,
because air flows through the front condensing
unit compartment.
For California Businesses:
This product may contain chemicals known
to the State of California to cause cancer,
birth defects, or other reproductive harm.
This warning is the result of the California State
law known as the California Safe Drinking Water
and Toxic Enforcement Act of 1986, which is
commonly referred to as “Proposition 65.”
This warning does not mean that Hussmann
products will cause cancer or reproductive
harm, or is in violation of any product-safety
standards or requirements. As claried by the
California State government, Proposition 65
can be considered more of a ‘right to know’ law
than a pure product safety law. When used as
designed, Hussmann believes that our products
are not harmful. We provide the Proposition 65
warning to stay in compliance with California
State law. It is your responsibility to provide
accurate Proposition 65 warning labels to your
customers when necessary. For more information
on Proposition 65, please visit the California
State government website.
The LBN series are low temperature, self-contained cabinets designed for pre-packaged
foods at below freezing temperatures. Design
features include non-heated glass lids, foamed
in place non-CFC insulation, interior mirrors,
reflectors, front-air discharge condensing unit,
(except LBN-10) and a balanced refrigeration
system for energy-saving performance.
UNLOADING
Unloading from Trailer:
Use a Lever Bar (also known as a Mule,
Johnson Bar, J-bar, Lever Dolly, or Pry
Lever).
Move the merchandiser as close as possible to
its permanent location and remove all packaging.
Check for damage before discarding packaging.
Remove all separately packed accessories such
as kits and shelves.
Do not walk on case. Do not put
ammable items atop the unit.
Improper handling may cause damage to the
merchandiser when unloading. To avoid damage:
1. Do not drag the merchandiser out of the
trailer. Use a Johnson bar (mule).
2. Use a forklift or dolly to remove the
merchandiser from the trailer.
EXTERIOR LOADING
Do NOT walk on top of merchandisers or
damage to the merchandisers and serious
personal injury could occur.
such as the weight of a person. Do not place
heavy objects on the merchandiser.
SHIPPING SKID
Each merchandiser is shipped on a skid to
protect the merchandiser’s base, and to make
positioning the case easier.
Do not remove the shipping skid until the
merchandiser is near its final location. The
skid provides protection for both the merchandiser and the floor.
Remove the skid by raising one end of the
merchandiser approximately 6 inches. Block the
merchandiser securely, and remove the two skid
bolts from the raised end. Replace the bolts
with (provided) leg levelers. Repeat this procedure at opposing end. Once the leg levelers are
secured in place, the merchandiser may be slid
off the skid and placed in its final location.
DO NOT TILT MERCHANDISER ON ITS
SIDE OR END WHEN REMOVING SKID.
Once the skid is removed, the merchandiser
must be lifted —NOT PUSHED— to reposition.
Check floor where merchandisers are to be set
to see if it is a level area. Determine the highest
part of the floor.
Do NOT remove shipping crate until the
merchandiser is positioned for installation.
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
LBN Horizontal Merchandisers
Page 10
1-4InstallatIon
MERCHANDISER LEVELING
Besuretopositionmerchandisersprop-
erly. Level the merchandiser by all four
corners. Merchandiser(s) must be installed
level to ensure proper operation of the refrigeration system, and to ensure proper drainage
of defrost water. A slight pitch from front to
back is desirable. The cabinet back should
never be higher than the front.
COMPRESSOR
The compressor is banded for shipping.
Remove the two bolts holding the compressor
bar in place. Pull out the condensing unit.
Cut the steel band, which holds down the
compressor during shipment. The compressor should now float freely on the mounting
springs. DO NOT LOOSEN NUTS.
OPTIONAL LEGS
®
NSF
approved legs replace the leg levelers if
required by local health codes. The legs raise
the case 6 inches for cleaning purposes. An
optional skirt kit can be provided to snap on
the legs.
SERIAL PLATE LOCATION
The serial plate is located on the left-hand end
of the case interior, and a second one in the
condensing unit compartment. The serial plate
contains all pertinent refrigeration and electrical information. The serial plate should not be
removed for any reason.
The louvered access panel on the lower right
front of the cabinet provides access to the
condensing unit and electrical box.
Access
Panel
There is alo a rear access panel that covers the
rear of the condensing unit compartment. This
panel can be removed to gain access to the
back compartment.
DRAIN TRAP
Drain Trap may be accessed by removing the
rear access panel that covers the rear of the
compressor compartment.
The drain trap should be filled with water.
This
prevents warm air from migrating back
through the drain to the evaporator coil.
Failure to fill the trap with water, could result
in excessive frosting of the evaporator coil.
For the LBN-10, the back panel is a metal rear
panel with slots, which allows discharge air
to flow through the condensing unit compartment. Before removing this panel, make sure
the power supply to the cabinet is disconnected.
SEALING MERCHANDISER TO FLOOR
Rear Access Panel Removed
— LOCK OUT / TAG OUT —
To avoid serious injury or death from electrical shock, always disconnect the electrical
power at the main disconnect when servicing
or replacing any electrical component. This
includes, but is not limited to, such items as
doors, lights, fans, heaters, and thermostats.
If required by local sanitary codes, or if the
customer desires, merchandisers may be sealed
to the floor using a vinyl cove base trim. The
size needed will depend on how much variation
there is in the floor, from one end of the
merchandiser to the other. Sealing of the lower
front and rear panels on self contained models
may hamper their removal for servicing or
maintenance of the condensing unit.
NOTE: Do not allow trim to cover any intake
or discharge grilles located in the lower front
panel.
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
Refer to Appendix A of this manual or the
merchandiser’s serial plate for electrical
information.
FIELD WIRING
Field wiring must be sized for component
amperes stamped on the serial plate. Actual
ampere draw may be less than specified.
ALWAYS CHECK THE SERIAL PLATE FOR
COMPONENT AMPERES
ELECTRICAL CONNECTIONS
LBN-4, 6, 7 and 8 models have a power cord
attached to the unit with a ground prong. The
cord is rated 115V/15Amp. The LBN-7 and 8
also require a circuit breaker or a time delay
fuse rated at 15 Amps for the circuit being
run to them. The LBN-10 has both a 115V &
208/230V circuit. The LBN-10 is hard wired,
and connections are made in 2 x 4 handy box.
All of these models are 60 hz, 1 ph. Connecting
this unit to any electrical supply other than
specified on the serial plate will void the warranty and may result in serious damage to the
unit. The cabinet should be supplied with its
OWN service.
POWER SWITCH
The power switch is located at the electrical
box that is behind the front, louvered access
panel. A slot in one of the louvers allows
access to the switch. The switch will shut off
all power to the cabinet for all LBN models.
Power
Switch
ELECTRICAL BOX
(Control Options)
LBN 4,6,7,8 models have 2 control options.
The standard option uses electro-mechanical
controls, consisting of a timer / defrost clock,
thermostat and power switch.
An optional electronic SNIII control, display,
and compressor & defrost power relays.
Both options are located in the electrical box.
This box is capable of sliding out for servicing
convenience. Access is gained by removing the
cover on the side of the box.
Merchandiser must be grounded.
Do not remove the power supply cord ground.
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
LBN Horizontal Merchandisers
Page 14
2-2ElE ctri cal / rE frig E rat i on
ELECTRICAL OUTLET:
Before the merchandiser is connected to any
wall circuit, use a voltmeter to check that the
outlet is at 100% of the rated voltage. The wall
circuit must be dedicated for the merchandiser. Failure to do so voids the warranty. Do
not use an extension cord. Never plug in more
than one merchandiser per electrical circuit.
• Always use a dedicated circuit with the
amperage stated on the unit.
• Plug into an outlet designed for the plug.
• Do not overload the circuit
• Do not use long or thin extension cords.
Never use adapters.
• If in doubt, call an electrician.
REFRIGERATION
(Self Contained Models)
Each self contained model is equipped with
its own condensing unit and control panel
located beneath the display area. The correct
type of refrigerant will be stamped on each
merchandiser’s serial plate. The merchandiser refrigeration piping is leak tested. The
unit is charged with refrigerant, and shipped
from the factory with all service valves open.
LBN-6, 7, 8 and 10 models have a refrigeration
system that uses a semi-hermetic compressor.
LBN-4 uses a hermetic compressor. LBN
systems use a capillary tube for refrigerant
control. The capillary tube is soldered to
the suction line pull-out coil for proper
heat exchange. If the capillary should become
plugged or damaged, it is best to replace the
heat exchanger.
The condensate water outlet is located on the
rear right side of the merchandiser. The outlet
has a factory installed, external water seal.
Attached to the water seal or external drain
is a black rubber drain hose. At the end drain
hose is a copper water trap. This water trap
drains into the condensate evaporator pan
located beneath the merchandiser. Ensure the
drain hose is properly trapped, and the drain
area is not clogged.
NOTE: All lower base panels must be in place
when the refrigerator is operating. If not, airflow from the condenser will be directed over
the evaporator pan and defrost water in the
pan may overflow.
REFRIGERATION CONTROLS
These merchandisers come standard with
electromechanical temperature control and
time clock. Defrosts are time-initiated and
temperature terminated. Optional electronic
controls are available.
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
LBN Horizontal Merchandisers
Page 16
2-4ElE ctri cal / rE frig E rat i on
ELECTROMECHANICAL CONTROLS
To access the defrost time clock, remove the
front access panel, and remove the electrical
box cover.
Time Arrow
Defrost Time
Start Screw
The clock has screws that initiate defrost
according to the time of day. The failsafe setting
sets the length of defrost from two minutes to
110 minutes.
CRANKCASE PRESSURE REGULATOR
The LBN series employs a crankcase pressure
regulator in the same suction line and is considered part of the heat exchanger. The CPR
is set to 10 psig. The purpose of the valve is to
maintain a low suction pressure on start-up so
that the compressor will start properly.
On start-up, the valve will hold the suction
pressure at the desired setting until the suction
pressure has dropped below the setting, then
the valve will open.
If it becomes necessary to check or reset the
setting, the merchandiser must be warm such
as after a defrost cycle or from an initial warm
interior cabinet condition.
Put a suction compound gauge on the compressor suction valve. Start the compressor.
If the pressure needs to be reduced, turn the
adjustment screw clockwise to raise the pressure.
To ensure a through defrost, it may be necessary to increase the failsafe time in high ambient conditions.
The time arrow must be set to the correct time
of day. Turn the knob until the appropriate
time on the wheel lines up with the time arrow.
— LOCK OUT / TAG OUT —
To avoid serious injury or death from electrical shock, always disconnect the electrical
power at the main disconnect when servicing
or replacing any electrical component. This
includes, but is not limited to, such items as
doors, lights, fans, heaters, and thermostats.
Do not set the valve based on the serial plate
amperage rating, because the pressure setting
will be too high, and the compressor will not
start properly.
Follow the electromechanical controls start
up procedures as detailed in Section 2 of this
manual. Each self contained merchandiser has
its own evaporator coil. LBN models have
capillary tubes.
a. Check the interior cabinet thoroughly for
loose nuts, bolts and electrical connec-
tions.
b. Inspect the refrigeration lines for visible
damage or chafing.
c. Replace electrical box cover and access
panel.
d. Turn on the electrical power, power switch
and start the merchandiser. The merchan
diser must pull down in temperature.
IN STALLE R
COMPRESSOR
Cut the steel band, which holds down
the compressor during shipment. The
compressor should now float freely on
the mounting springs. DO NOT LOOSEN
NUTS. (
BaNd)
LBN-4 hasNocompressor
NOTE: Failure to cut compressor
shipment band may result in excessive
noise or system damage, which is not
covered by warranty.
(All Controls)
(
1 Every
24 Hours
Allow merchandiser 24 hours to operate before
loading product.
Defrosts are time initiated and temperature
terminated for self contained. The defrost
setting is factory set as shown above.
1. The T-stat controller controls refrigeration
temperature. This is factory installed in the
control panel.
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
LBN Horizontal Merchandisers
Page 18
3-2 Startup / OperatiOn
LOAD LIMITS
Each merchandiser has a load limit decal. Shelf
life of perishables will be short if load limit is
violated.
atnotimEshouldmErchandisErsbE
stockEdbEyondthEloadlimitsindicatEd.
donotblockairgrillE.
STOCKING
Product should NOT be placed inside the
merchandisers until merchandisers are at
proper operating temperature.
THERMOMETER
The cabinet has a thermometer located on the
left-hand end of the nose screen that is just
below the upper mirror reflector and light fixture. The thermometer is a “pencil” type and
reads from -40º F to 80º F on 2º increments.
To replace, remove the two screws and install
the replacement.
Product will be degraded and may spoil if
allowed to sit in a non-refrigerated area.
Allow merchandiser 24 hours to operate before
loading product.
Proper rotation of product during stocking is
necessary to prevent product loss. Always
bring the oldest product to the front and set
the newest to the back.
airdischargEfluEsmustrEmainopEnand
frEEofobstructionatalltimEs to provide
proper refrigeration and air curtain performance. Do not allow product, packages, signs,
etc. to block the grille. Do not use non-approved shelving, baskets, display racks, or any
accessory that could hamper air curtain performance.
Do not allow product to be placed outside of
the designated load limits in the illustration at
right.
Your refrigerated case uses a Hussmann
Safe-NET™ III temperature and defrost
controller to precisely maintain the temperature and prevent frost buildup on the cooling
coil. LEDs indicate when the compressor or
refrigeration is on, when the case is in a defrost
cycle, if the temperature is outside the desired
range, or if there is a sensor failure.
An adjustment knob allows the temperature
to be set within the configured range and can
power off the controller and compressor. Your
controller has been custom-configured to provide the best temperature and defrost control
for your chilled or frozen food.
The front of the controller has an adjustment
knob and status LEDs. The back of the
controller has connections for sensors and
switched equipment.
The Safe-NET III controller includes the
following features and connections.
• Adjustment knob:
Adjusts the temperature setpoint.
Turn adjustment knob to OFF to turn off
refrigeration system. Unplug merchandiser
from power before servicing the unit.
• Controller LEDs:
Compressor Powered On LED (green):
Lights while the compressor is running or
the refrigeration valve is open.
Defrost Cycle LED (yellow):
Lights while the refrigeration coil is
defrosting.
Temperature or Sensor Alarm (red):
Lights if the temperature is too warm or
too cold. Flashes if a sensor fails.
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
Product will be degraded and may spoil if
allowed to sit in a non-refrigerated area.
Self-Contained Merchandisers
Page 20
3-4 Startup / OperatiOn
• Rear connections:
– Case temperature sensor:
• Typically senses the temperature
of the air in the case.
Used by the controller to determine when
to power on or power off the compressor
or refrigeration.
– Evaporator temperature sensor:
• Senses the temperature of the
refrigeration coil.
Terminates a defrost cycle when
refrigeration coil ice melts.
– Compressor or refrigeration relay:
• Switches on the compressor or
refrigeration valve for cooling.
– Defrost / reversing condenser switch
• Switches on the defrost or reversing
condenser fan motor - when used with
the condenser fan motor option.
START-UP
1. Plug in the merchandiser.
The OFF Position does not disconnect line
voltage to the case, refrigeration unit, fan,
or heater.
NOTE: The 65°C Version Controller includes
a Parameter Code Number. This number
indicates what program has been loaded
into the controller. When the Controller is
first powered up or is turned off and then
back on a 2 digit Parameter Code Number
will display for 3 seconds. Then the Self
Check will Start.
The optional evaporator fan remains ON when
the adjustment knob is in the OFF position.
DISPLAY
The display includes three red LEDs and two
digits for temperature, defrost status, and error
codes.
The three display LEDs are red, and their
behavior matches the LEDs on the controller.
2. Wait for the self check to complete. During
the self check, each LED flashes for one
second, then all LEDs turn on for two
seconds. If the LEDs do not flash, make
sure the adjustment knob is not in the Off
position.
• After the self check, all LEDs turn off
until the compressor starts. There may be a delay before the compressor starts. If the
red Temperature or Sensor Alarm LED
stays on after the self check.
• The green Compressor Powered On LED
turns on when the compressor starts.
NOTE: Do NOT load product until AFTER
merchandiser operates for 24 hours and reaches
desired operating temperature.
1. Apply power to the merchandiser. Wait for
the self check to complete. During the self
check, each LED flashes for one second and
then all LEDs turn on for two seconds. If the
LEDs do not flash, make sure the adjustment
knob is not in the “OFF” position.
1A. The merchandiser temperature displays at
startup. The initial defrost starts two hours
later. The display will show the temperature at
the start of defrost. This reading will remain
displayed during defrost and until it times out,
even though the refrigeration mode has been
initiated. (The green LED will be lit.)
2. The compressor will start after a 1-minute delay
once power is applied.
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
3. The compressor will continue to run until it
reaches its cut-out temperature (Pulldown).
4. The refrigeration cycle will continue for the next
subsequent scheduled (6-hours) or demand
defrost. The digital display will display the
temperature reading for 10 minutes after
defrost.
5. The above process will repeat (steps 3 and 4)
until the power is interrupted.
6. If power stops, the process will start over at step
1, and the time to subsequent defrost will reset.
Self-Contained Merchandisers
Page 22
3-6 Startup / OperatiOn
1. Apply power to the merchandiser. Wait for
the self check to complete. During the self
check, each LED flashes for one second and
then all LEDs turn on for two seconds. If the
LEDs do not flash, make sure the adjustment
knob is not in the “OFF” position.
1A. The merchandiser temperature displays at
startup. The initial defrost starts two hours
later. The display will show the temperature at
the start of defrost. This reading will remain
displayed during defrost and until it times out,
even though the refrigeration mode has been
initiated. (The green LED will be lit.)
2. The compressor will start after a 1-minute delay
once power is applied.
3. The compressor will continue to run until it
reaches its cut-out temperature (Pulldown).
4. The refrigeration cycle will continue for the next
subsequent scheduled (6-hours) or demand
defrost. The digital display will display the
temperature reading for 10 minutes after
defrost — 48 hours for LBN-4, 6, 7, 8.
5. The above process will repeat (Steps 3 and 4)
until the power is interrupted.
6. If power stops, the process will start over at
Step 1, and the time to subsequent defrost will
reset.
Page 23
P/N 0514392_G 3-7
TEMPERATURE ADJUSTMENT
Rotate the adjustment knob counter clockwise
for a warmer setpoint or clockwise for a colder
setpoint.
• While the temperature is being adjusted,
the optional display shows the setpoint
(cut out value). A few seconds after the
temperature is set, the display reverts to
showing the sensed temperature in the merchandiser.
ALARMS AND CODES
FLashiNg TemperaTureor seNsor aLarm
Led, e1
or e2
If the Temperature or Sensor Alarm LED
(red) on the controller and display is flashing,
a temperature sensor has failed. The display
shows E1 if the case sensor has failed or E2 if
the evaporator sensor has failed.
DEFROST TERMINATION SWITCH
Merchandisers may use a defrost termination
switch, instead of an evaporator sensor to
terminate a defrost cycle. The defrost
termination switch is temperature activated
and senses the completion of defrost.
MANUAL DEFROST
Note:
This procedure initiates a
manual or forced defrost.
If the merchandiser sensor fails, refrigeration
will run continuously. Turn off, or repeat a
duty cycle of a few minutes on and a few
minutes off.
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
IMPORTANT: Return the control knob to
its original setting (Step1) once the manual
defrost has been initiated.
Self-Contained Merchandisers
Page 24
3-8 Startup / OperatiOn
Cut out Warm / Cut out Cold
TEMPERATURE ADJUSTMENT
1. Rotate the adjustment knob counter clock-
wise for a warmer setpoint or clockwise for
a colder setpoint.
2. While adjusting the temperature, the display
shows the setpoint (cut out value). A few
seconds after the temperature is set, the
controller reverts to the sensed temperature
in the merchandiser.
3. To verify merchandiser settings, turn the
dial to warm and cold as shown above.
Output readings should be within one
degree of the temperatures shown above.
Page 25
P/N 0514392_G 3-9
Dual Temperature
DUAL TEMPERATURE ADJUSTMENT
1. Rotate the adjustment knob counter clock-
wise for a warmer setpoint or clockwise for
a colder setpoint.
2. While adjusting the temperature, the display
shows the setpoint (cut out value). A few
seconds after the temperature is set, the
controller reverts to the sensed temperature
in the merchandiser.
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
3. To verify merchandiser settings, turn the
dial to warm and cold as shown above.
Output readings should be within one
degree of the temperatures shown above.
Long life and satisfactory performance of
any equipment is dependent upon the care it
receives. To ensure long life, proper sanitation
and minimum maintenance costs, these
merchandisers should be thoroughly cleaned,
all debris removed and the interiors washed
down, weekly.
Exterior Surfaces
The exterior surfaces must be cleaned with a
mild detergent and warm water to protect and
maintain their attractive finish.
abrasivecleaNsersorscouriNgpads.
Neveruse
Interior Surfaces
The interior surfaces may be cleaned with most
domestic detergents, ammonia based cleaners
and sanitizing solutions with no harm to the
surface. Self contained models empty into a
limited capacity evaporation pan, which will
overflow if excess water is used in cleaning.
Do:
•Disconnect electrical power before cleaning.
•Remove the product and all loose debris to
avoid clogging the waste outlet.
•Store product in a refrigerated area such as a
cooler. Remove only as much product as can
be taken to the cooler in a timely manner.
•Thoroughly clean all surfaces with soap and
hot water.
pressurehosestowashtheiNterior.
ThesewilldesTroyThemerchandisers’
sealingcausingleaksandpoorperfor-
mance.
•Lift hinged fan plenum for cleaning. Hook
chain in rear panel to secure plenum during
cleaning.
numafTercleaningmerchandiser.
doNotusesteamorhighwater
BesureToreposiTionThefanple-
Do NOT Use:
•Abrasive cleansers and scouring pads, as these
will mar the finish.
•Coarse paper towels on coated glass.
•Ammonia-based cleaners on acrylic parts.
•Solvent, oil or acidic based cleaners on any
interior surfaces.
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
LBN Horizontal Merchandisers
Page 28
4-2 Maintenance
— LOCK OUT / TAG OUT —
To avoid serious injury or death from electrical shock, always disconnect the electrical
power at the main disconnect when servicing
or replacing any electrical component. This
includes, but is not limited to, such items as
doors, lights, fans, heaters, and thermostats.
DO NOT FLOOD!
Use only enough water necessary to clean
surface. Water must not drip down the case!
Never use ammonia based cleansers, abrasive
cleansers, or scouring pads.
CLEANING COILS
CLEANING DISCHARGE AIR GRILLE
Discharge air air grilles should be cleaned
every six months. Dirty air grilles will cause
merchandisers to perform poorly. The air
grilles may be cleaned with a vacuum cleaner.
Soap and water may be used if all water is
removed from the air grilles cells before replacing.
Be careful not to damage the air grilles.
CLEANING SOLAR THERMOMETER
LBN models have solar thermometers. The
thermometer is located at the top, front center
of the merchandiser’s cabinet interior.
To clean the thermometer:
1. Remove the two screws securing the thermometer to its mounting bracket. Remove
the sensing element from the clip
2. Use non-abrasive cleaning materials and a
mild detergent to clean thermometer.
Condenser coils should be cleaned at least once
per month. Additional cleaning may be needed
depending on the operational environment.
TUBE or FIN COILS
Airflow blockage increases energy consumption
and reduces the merchandiser’s ability to maintain operating temperature.
To clean fin coils, use a vacuum cleaner with
a wand attachment and a soft (non-metallic)
brush to remove dirt and debris. Do not bend
coil fins. Always wear gloves and protective eye
wear when cleaning near sharp fins and dust
particles.
3. Be sure to wipe the element clean of any
residues.
The condenser is of bare-tube construction on
the LBN-4, 6, 7 and 8 to reduce the amount of
required maintenance required, and fin-andtube construction on the LBN-10.
To ease in the cleaning of the bare-tube condenser, the top of the condenser shroud is
removable. Slit the upper corners of the gasket
on the front of the condenser. Remove the
screws holding the shroud top into the shroud
ends, and remove the top to gain full access to
the condenser.
Manually defrost cabinet as usage dictates.
The LBN series are gravity-cooled cabinets.
The sidewalls have refrigeration tubing in them
to cool the lower portion of the interior and
there is an upper evaporator that drops cold
air down onto the product. The upper coil is
equipped with defrost heaters that defrost the
coil. The side walls of the cabinet will build up
frost and ice on them over time and do need to
be manually defrosted as usage and build up
demands.
CLEANING EVAPORATION PAN
The condensate water outlet for self contained
models empties into a limited capacity evaporation pan.
The glass lids are made of tempered, non-heated glass. The lids slide up to open and can be
locked open for product loading. The lids are
not self-closing. The lids will close easily by
hand and with the assistance of gravity. There
is a nylon glide on the edge of the glass to
assist in closing. The lid tracks must be cleaned
periodically to allow the lids to close freely.
Debris or dirt accumulation inside the condensate
evaporation pan will reduce the pan’s evaporation capacity.
Remove accumulated debris from the evaporation pan. Water introduced during cleaning
will cause the evaporation pan to overflow.
Always Wear gloves and protective eye wear
when servicing. Turn off evaporation pan
heater, and allow pan to cool.
SHUT FANS OFF DURING
CLEANING PROCESS.
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
LBN Horizontal Merchandisers
Page 30
4-4 Maintenance
CLEANING STAINLESS STEEL SURFACES
Use non-abrasive cleaning materials, and
always polish with grain of the steel. Use warm
water or add a mild detergent to the water and
apply with a cloth. Always wipe rails dry after
wetting.
Use alkaline chlorinated or non-chlorine
containing cleaners such as window cleaners
and mild detergents. Do not use cleaners
containing salts as this may cause pitting and
rusting of the stainless steel finish. Do not use
bleach.
REMOVING SCRATCHES FROM
BUMPER
Do NOT use HOT water on Cold glass Surfaces.
This can cause the glass to shatter and could
result in personal injury. Allow glass fronts, to
warm before applying hot water.
Most scratches and dings can be removed
using the following procedure.
1. Use steel wool to smooth out the surface
area of the bumper.
2. Clean area.
3. Apply vinyl or car wax and polish surface
for a smooth glossy finish.
The defrost thermostat is located on its mounting plate, at the right end of the evaporator
coil attached to the air scoop. The air scoop
is a right angle piece of metal running in front
of the evaporator behind the nose screen. The
thermostat is a bi-metal thermostat that is tied
in series with the defrost time clock solenoid to
end defrost when the temperature has been
satisfied (85º F).
To Replace Defrost Thermostat:
1. If it is determined that the defrost thermostat
needs to be replaced, disconnect electrical
power to the merchandiser.
2. Remove the nose screen from in front of
the evaporator.
3. Remove the stainless steel mirror reflector
over the light fixture.
4. Refer to the wiring diagram for thermostat
wiring terminations and disconnect.
5. Remove the air scoop located in front of
the evaporator coil and the defrost thermostat mounting plate attached to it. Remove
the thermostat, and disconnect wires.
DEFROST HEATER REPLACEMENT
The cabinet is equipped with two defrost heaters, which are wired in parallel, except for the
LBN-4, 6, 7 and 8, 220V, which are wired in
series. Wiring them this way allows for lower
wattage which increases the life of the heater.
The drain pan does not have to be removed to
replace the heaters.
The heaters are equipped with plug-in connections that plug into the underside of the light
fixture. Disconnect electrical power supply.
Remove the stainless steel reflector. Remove
the nose screen in front of the evaporator area.
The heaters are held up against the evaporator
by spring clips.
Press heaters down and pull up on the front
edge of the heater clips. The heaters can be
fulled forward.
When replacing be sure the back pass of the
rear defrost heater goes into the retaining clip
at the back of the drain pan. This is necessary
to prevent ice build up in the drain pan.
6. Reverse this procedure to reinstall the
new thermostat.
— LOCK OUT / TAG OUT —
To avoid serious injury or death from electrical shock, always disconnect the electrical
power at the main disconnect when servicing
or replacing any electrical component. This
includes, but is not limited to, such items as
doors, lights, fans, heaters, and thermostats.
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
LBN Horizontal Merchandisers
Page 32
5-2 Service
REPLACEMENTS OF ANTI-SWEAT
HEATERS
There are anti-sweat heaters behind the stainless steel end panels, around the front glass,
and behind the nose screen. These heaters are
thermostatically controlled in case the cabinet
malfunctions and thermostat senses above 101º F
at which time the heaters will shut off.
REPLACEMENT OF END PANEL HEATERS
The end panel heaters are located behind the
end panel stainless steel reflectors. They can be
removed by removing the screws on the bottom edge of the panel and pulling down on the
bottom edge. The heater is on adhesive foil on
the backside of the panel.
End Panel Heater
REPLACING FLUORESCENT LAMPS
AND BALLASTS
Cool, white fluorescent bulbs located on the
underside of the stainless steel mirror reflector
provide interior lighting for the merchandiser.
The bulbs are sleeved to maintain proper heat
around the bulb for maximum light intensity
and to protect the bulb in case of breakage.
The tubes can be replaced without removing
the doors. To replace, twist the bulb and slide
the prongs clear of the lamp holder. When
reinstalling this type of bulb, be sure the
prongs on the bulb twist, and lock into place.
There is a convenient ON/OFF switch located
at the right end of the case cabinet, behind the
mirror reflector. This switch only controls the
lights. The lights should always be left ON to
prevent moisture from forming on the mirror reflector. This is especially important for
high-humidity environments.
Product will be degraded and may spoil if
allowed to sit in a non-refrigerated area.
The light ballast is located in the light fixture.
Remove the mirror reflector to access the ballast.
Follow the same steps previously described
for fluorescent lamps to remove LED fixtures.
However, the protective shield does not need
to be removed from the LED fixture. It is integrated into the fixture and is replaced along
with the new LED fixture.
REPLACING LED POWER SUPPLIES
LED power supplies are located in the light
fixture as well. Remove the mirror reflector to
access the power supply connections.
FRONT GLASS HEATER REPLACEMENT
The front glass heater is built as part of the
glass assembly. The purpose of the heater is to
keep the aluminum trim surrounding the glass
free of condensation. If the cabinet is located
in a high humidity environment, the center of
the glass may have a trace of condensation across
it.
To replace the glass assembly:
1. Disconnect power to the cabinet. Remove
the cabinet top by removing the screws that
hold it into the back of the cabinet, and on each
end.
2. Lift the top off the cabinet.
screws in them. Remove screws and remove
end trim.
6. Remove the trim from the top of the front
glass.
7. Pull the front glass up and out exposing
the wires at the right hand end of the glass
and disconnect.
8. Replace the glass assembly.
9. Reverse procedure to reassemble.
NOSE HEATER REPLACEMENT
The nose heater is located behind the nose
screen that is in front of the evaporator.
Remove the nose screen replace heater.
ANTI-SWEAT HEATER LIMIT
THERMOSTAT
The anti-sweat heater limit thermostat is a
safety feature that will shut off the condensate
heaters just discussed when the thermostat
senses 101º F.
The thermostat is located on the defrost
thermostat mounting bracket, which is on the
air scoop behind the nose screen in front of the
evaporator.
3. Remove the lids.
4. Remove the screws holding the backs of
the lid tracks to the galvanized sub-top and
the screws holding the center tracks to the
aluminum rail on top of the front glass.
5. Remove the plastic arm trim breakers in
the end aluminum trim pieces to expose the
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
LBN Horizontal Merchandisers
Page 34
5-4 Service
TROUBLESHOOTING GUIDE
PROBLEM
Compressor runs continuously
product too warm
High head pressure
PROBABLE CAUSE
1. Short of refrigerant
2. Inefficient compressor
3. Dirty condenser
4. Evaporator oil logged
1. Cabinet location too warm
2. Restricted condenser air
flow
3. Defective condenser fan
motor
4. Air or non-condensable gases
in system
SOLUTION
1. Leak check, change drier,
evacuate, and recharge
2. Replace
3. Clean
4. Blow oil out of evaporator
1. Relocate cabinet
2. Clean condenser to remove air
flow restriction
3. Replace
4. Leak check, change drier,
evacuate and recharge
Warm storage temperature
Compressor runs continuously
product too cold
1. Temperature control not
set properly
2. Short of refrigerant
3. Cabinet location too warm
4. Too much refrigerant
5. Low voltage, compressor
cycling on overload
6. Condenser dirty
1. Defective control
2. Control feeler not in tube
properly / sensor incorrectly
located.
3. Short on refrigerant
1. Reset control.
2. Leak check, replace drier
evacuate and recharge
3. Relocate
4. Change drier evacuate, and
recharge
5. Check power
6. Clean
1. Replace
2. Assure proper length in
tube / install sensor at
correct location
3. Check sockets for moisture and proper contact (all)
4. Bulb replacement may be necessary (all)
5. Check voltage (all)
6. New bulbs tend to flicker until used (fluorescent)
LBN ACCESSORIES AND OPTIONS
The following is a description of the various
accessories available for the LBN:
Bag Rack — A big rack can be provided to
store various size checkout bags. The rack
attaches to the back of the cabinet.
Caster Kit — If the cabinet needs to be moved
quite often or for additional health code
regulations, the caster kit raises the cabinet
approximately 4 1/2 inches. The wheel of the
caster is 3 inches.
Counter Top — The metal counter top is standard, and a 16 in. and 20 in. wooden counter
top can be provided. The 16 in. wooden counter top mounts flush with the back of the cabinet.
Dial Thermometer — The cabinet can be provided with a two-inch dial thermometer, rather
than the standard pencil type thermometer.
ThismusTbefacToryinsTalled. It is located in the left end of the upper stainless steel
reflector above the light fixture.
Electronic Controls — includes controller (to
set temperature), Led display and 2 sensors
(Air & defrost)
Electromechanical Controls — includes thermostat and defrost timer.
LED Lights — similar lighting distribution
when comparted to fluorescent and reduced
energy consumption.
Lid Lock Kit — For product security, a lid
lock kit cab be provided. Each kit secures two
lids.
Novelty Basket — For the storage and display
of novelty items, the novelty basket is ideal.
The basket is epoxy-coated white, and it is 10
in. x 12 in. x 6 1/2 inches high. Basket dividers
are also available.
Product Shelf Kit — The interior of the LBN
series a raised step over the condensing unit
compartment. The product shelf kit is a false
bottom of the cabinet level with the raised
step.
Stainless Steel Top — Like the counter tops,
the stainless steel top replaces the standard
metal countertop for those who need a highly
durable working surface.
Superstructure with Lighted Canopy — The
cabinet can be provided with a superstructure,
which has two shelves, and a lighted canopy that
attaches to the back of the cabinet. The superstructure allows for the storage of dry goods
without the need for additional floor space.
Superstructure without Lighted Canopy — The
superstructure can be ordered without the
lighted canopy. Superstructure is still supplied
with two shelves.
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
LBN Horizontal Merchandisers
Page 38
5-8 Service
COMPRESSOR REPLACEMENT
PROCEDURE
Replacement compressors will not be shipped
from the Hussmann factory. They may be
obtained from your nearest Copeland wholesaler.
Your wholesaler will replace, free of charge,
any compressor found to be defective within 12
months of installation, not to exceed 20 months
from the date of manufacture as determined by
the compressor serial number on the compressor
serial plate.
For any defective compressor beyond the 12
month or 20 month time period, a salvage value
credit will be given to partially offset the invoice
for replacement.
After March 16, 1991 when all cases have the
five-year warranty as standard, the following procedure applies:
forwardToyournearesThussmann
disTribuTor:
1. The cabinet model and serial number.
To do this properly, the cabinet’s evaporator
section must be isolated from the condenser
section.
Unbraze the tubes going into the back of the
cabinet at the end of the heat exchanger.
Pinch or cap the larger tube and braze shut.
Add a schrader valve to the smaller tube.
Attach the high side gauge of a compound
gauge to the valve and pressurize the cabinet
with nitrogen or otherwise suitable gas.
There should be at least 300 psig on the
system.
Mark the pressure on the gauge and leave it,
returning 24 hours later.
Note the pressure. If it has fallen more than
150-200 psig then the system may have an
internal leak.
2. A copy of the wholesaler’s invoice, along with a
copy of the salvage value credit.
If it only drops a small amount this does not
mean that you have an internal leak, but that
the gas in the cabinet is cooler and has reduced
its pressure because of this.
INTERNAL LEAK WARRANTY POLICY
If the cabinet has an internal leak contact the
The LBN series are warranted from the date of
factory shipment for five years for an internal
leak. An internal leak not only includes the
nearest Hussmann distributor or the factory to
receive authorization to return the cabinet to
the factory.
cold-wall tubing but the upper evaporator as
well on these models.
If it is felt that there is an internal leak in the
NomerchaNdiserwillbeacceptedatthe
factorywithoutaletterofauthoriza-
tioNforreturN.
cabinet, care should be taken to actually
determine that there is a leak.
Hussmann refrigerated merchandisers configured for sale for use in the United States meet or
surpass the requirements of the DOE 2012 energy efficiency standards.
Standard
Parts List
Models
Standard Parts
Description
Part
Number
Defrost Time clock 48hr (E357-00B)03S268
Defrost Time clock 24hr (8145-20B)03S072
Temperature Control04S035
Power Switch03S286
Defrost Heater Limit Thermostat03S575
Defrost Heater Thermostat03S118
Thermometer1700559
White- Wire Front Product Stop (1/2)22S2711
White- Wire Front Product Stop (2)22S2712
White- Wire Front Product Stop (2)22S2713
White- Wire Front Product Stop22S2714
Complete Lid Assembly (2/3/4) 657581
Complete Lid Assembly (4) 657582
Complete Lid Assembly (3) 657583
Lid Glass29S387
Lid Glass29S388
Lid Glass29S389
Lid Glass End Cap (black) 2 per lid18S1241
Front Lid Rail/ Handle30S6501
Front Lid Rail/ Handle30S6502
Front Lid Rail/ Handle30S6503
Rear Lid rail29S5131
Rear Lid rail29S5132
Rear Lid rail29S5133
Front Lid Rail Gasket18S114
Front Lid Rail Gasket18S138
Front Lid Rail Gasket 76213
Copper Drain Trap 65783
Lid Catch (Nylon) Located under coun-
tertop
29S655
Light Fluorescent F30 T8 CW06S029
Light Fluorescent F40/D41 CW06S010
Light Sheild06S0743
Light Sheild06S0742
Ballast06S016
Ballast06S187
Ballast06S123
Lamp Holder06S185
Starter Socket06S024
Starter (FS4)06S019
Light Switch03S176
Wiper Gasket (located over lids) 2/3/418S128
Wiper Gasket (located over lids) 3/418S140
Aluminum Ticket Molding Extru.30S7281
Aluminum Ticket Molding Extru.30S7283
Aluminum Ticket Molding Extru.30S7284
Aluminum Ticket Molding Extru.30S7285
Aluminum Ticket Molding Extru.30S7286
Front Bumper (Grey)18S2921
Front Bumper End Cap (Grey)18S3091
End Arm Trim Bumper (Grey) 27” Lg.18S1201G
LBN-4LBN-6LBN-7LBN-8LBN-10
XXXX
XXXXX
XXXXX
XXXXX
XXXXX
XXXXX
X
X
XX
X
X
X
XX
X
X
X
XXXXX
XX
X
XX
X
X
XX
X
X
XXXXX
XXXXX
X
X
XX
X
X
X
XX
XX
XX
XX
XX
XXXXX
XX
XX
XXXXX
XX
X
X
X
X
X
X
XXXXX
XXXXX
XXXXX
X
X
X
X
X
X
X
X
X
X
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
LBN Horizontal Merchandisers
Page 40
A-2 Appendix A —TechnicAl dATA
Parts List
Continued
Models
Refrigeration
Description
Compressor (Aspera NT2192GKV)
Compressor (Copeland KAGB-005E-IAA)
Compressor (Copeland KAAB-007E-CAA)
Compressor (Copeland KALB-010E-CAV)
Condenser Assy (3 Pass) Painted
Condenser Assy (4 Pass) Painted
Condenser (Fin & Tube)
Condenser Fan Motor
Condenser Fan Motor
Condenser Fan Blade
Condenser Fan Blade
Condenser Fan Motor Bracket
Drier C-032S-T
Drier C-052-S
CPR (Sporlan CRO-4) Comes with Ht X’chr
Pullout Coil/Heat exchanger
Pullout Coil/Heat exchanger
Pullout Coil/Heat exchanger
Pullout Coil/Heat exchanger
Anit-Sweat Nose Heater 19S233
Anit-Sweat Nose Heater 19S248
X
X
Anit-Sweat Nose Heater 19S234
Anit-Sweat Nose Heater 19S563
Anit-Sweat End Panel Heater LH19S2352
Anit-Sweat End Panel Heater RH19S2351
Front Glass w/ Heater0523864
Front Glass w/ Heater0523865
Front Glass w/ Heater0523866
XXXXX
XXXXX
X
X
X
Front Glass w/ Heater0523867
Front Glass w/ Heater0523868
Front Access Panel 76018
Rear compressor compartment cover65379
Part Number
LBN-4LBN-6LBN-7LBN-8LBN-10
XXXXX
XXXX
Rear compressor compartment cover1H16528001
Rear Drain Cover65531
Front compressor hold down assy1H10458001
Metal Countertop760081
Metal Countertop760083
Metal Countertop760084
XXXXX
XXXXX
X
X
X
Metal Countertop760085
Metal Countertop760086
Lower Front Panel (below bumper)760101
Lower Front Panel (below bumper)760103
Lower Front Panel (below bumper)760104
X
X
X
Lower Front Panel (below bumper)760105
Lower Front Panel (below bumper)760106
Evaporator Drain Pan Assy763171
Evaporator Drain Pan Assy763173
Evaporator Drain Pan Assy763174
X
X
X
Evaporator Drain Pan Assy763175
Evaporator Drain Pan Assy763176
Aluminum Trim Arm Assy LH30S8671
Aluminum Trim Arm Assy RH30S8672
Water Pan 524794
*All these part numbers below are painted assemblies (standard color is
White)
XXXXX
XXXXX
XXXXX
X
X
X
X
X
X
X
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
LBN Horizontal Merchandisers
Page 42
A-4 Appendix A — TechnicAl dATA
Parts List
Continued
Models
Optional LED Interior lights
Description
Part Number
LED Light Tube (E1N5K-4100K0C3-S3)0515964
LED Light Tube (E1N5K-4100K0C3-S4)0515965
LED Power Supply (40W)0515168
LBN-4LBN-6LBN-7LBN-8LBN-10
X
XXXX
X
XX
LED Power Supply (100W)0518898
LED light Clip0518906
Models
Safenet III Parts
DescriptionPart Number
Safenet III Controller Assembly0524132
Safenet III Controller Assembly Dual
Temp
0524134
Display1H5905201
Defrost Sensor Yellow 4000MM0510532
Air Sensor Black 4000MM0510533
Display Interface Cable0509783
Control Harness0513058
Compressor & Defrost Relay (120V)0459304
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
LBN Horizontal Merchandisers
Page 44
P/N 0514392_G A-6
REFRIGERATION DATA
LBN-4, LBN-6, LBN-7
LBN-8, LBN-10
Thermostat
Setting CI/CO (°F)
Electromechanical 2:00 to 3:00 positions
-4º F / -12º F
Safe-NET III Position: #1 5º F / -5º F
#7 -18º F / -28º F
Compressor (hp)
LBN-4 / LBN-6
LBN-7
1
/2 hp
3
/4 hp
LBN-8 / LBN-10 1 hp
Condensing Unit Capacity
LBN-4 / LBN-6 3330
LBN-7 3600
LBN-8 / LBN-10 5400
at -25º F evaporator and 110º F condenser
temperature (Btu/hr at standard ASHRAE
LBP rating conditions)
DEFROST DATA
Frequency (hr)
LBN-4, 6, 7, 8 48
LBN-10 24
Offtime
Failsafe (minutes)
All models 40
Defrost Termination:
Temperature Terminated
Refrigerant Charge
LBN 4 31 oz. 0.878 kg
LBN 6 30 oz. 0.856 kg
LBN 7 36 oz. 1.026 kg
LBN 8 37 oz. 1.047 kg
LBN 10 35 oz. 1.000 kg
Note: This data is based on store
temperature and humidity that
does not exceed 75°F and 55%
R.H. unless otherwise stated.
Schedule defrost at night while
lights are off.
LBN
Dimensions shown as inches and (mm).
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
LBN Horizontal Merchandisers
Page 45
A-7 Appendix A — TechnicAl dATA
Electrical Data
Note: These are rated values for individual components and should not be added together to
determine total merchandiser electrical load.