FUSION SELF-SERVICE JUNIOR CUB COOLERS (REMOTE UNITS ONLY)
REV F DATE: 07/13/2023
USER MANUALS\20-35614_FUSION_USER MANUAL_GJDSS(L)RLB_REF_SELF-SVC_JR CUB COOLER
Please note the following:
1. Your specific model number is located on serial label
(usually at case rear).
2. See SERIAL LABEL LOCATION & INFORMATION section
in this manual for sample labels.
3. This operating manual is applicable to the following
models: GJDSS3RLB, GJDSS4RLB, GJDSS5RLB,
GJDSS6RLB, GJDSS8RLB, GJDSS10RLB and
GJDSS12RLB. It may also be applicable to models that
are not listed herein.
Model GJDSS6RLB
Model GJDSS10RLB
(Similar To Model GJDSS12RLB)
Model GJDSS3RLB
SCC P/N
20-35614
USER
MANUAL
FUSION
CAREFULLY FOLLOW THESE INSTRUCTIONS
Structural Concepts Corp. ∙ 888 E. Porter Rd ∙ Muskegon, MI 49441 Phone: 231.798.8888 Fax: 231.798.4960 ∙ www.structuralconcepts.com
2
TABLE OF CONTENTS
TABLE OF CONTENTS ………………………………………………………………………………………...
OVERVIEW / TYPE 1 vs. 2 / COMPLIANCE / WARNINGS / PRECAUTIONS / WIRING / PLUGS …...
INSTALLATION: REMOVAL FROM SKID / REMOVING LOWER FRONT PANELS ..……...…………..
INSTALLATION: BOLTING AND CAULKING UNITS TOGETHER (OPTIONAL) …………….………….
INSTALLATION: FIELD SERVICE CONNECTION SPACE REQUIREMENTS ………………………….
INSTALLATION: UNDERSIDE FIELD ACCESS COMPONENTS (MODEL GJDSS6RLB
DISPLAYED.……………….. …….………………………………………………………….………....
INSTALLATION: FRAME SUPPORT RAILS / SEALING TO FLOOR ……………………………………..
INSTALLATION: REFRIG. LINE & DRAIN STUB-UP CONNECTION - MODEL GJDSS6RLB ONLY ...
INSTALLATION: REFRIG. LINE & DRAIN STUB-UP CONNECTION - MODEL GJDSS8RLB ONLY ...
INSTALLATION: REFRIG. LINE & DRAIN STUB-UP CONNECTION - MODEL GJDSS12RLB ONLY .
INSTALLATION: REFRIG. LINE & DRAIN STUB-UP CONNECTION - MODEL GJDSS12RLB ONLY..
INSTALLATION: DISPLAY CASE START-UP / LIGHTS / THERMOMETER / TEMP. CONTROLLER..
REFRIGERATED AREA: AXIAL FANS / DRAIN / TXV / BALL VALVE / SHUTOFF VALVE /
REFRIGERATION LINE AND WIRING ROUTES …………………………………………………..
GENERAL CLEANING (TO BE PERFORMED BY STORE PERSONNEL) ………………..……...……..
TROUBLESHOOTING (TO BE PERFORMED BY STORE PERSONNEL) ..………..…….……….…….
GENERAL CLEANING (BY TRAINED SERVICE PROVIDERS ONLY) ……………………...……...…...
TROUBLESHOOTING (BE PERFORMED BY TRAINED SERVICE PROVIDERS ONLY) ………..…...
HONEYCOMB AIR DIFFUSER REMOVAL/INSTALLATION (TO BE PERFORMED BY TRAINED
SERVICE PROVIDER ONLY) …..……………………………………………………………………..
SERIAL LABEL INFORMATION & LOCATION ..……………………………………...…....…………..…...
TECHNICAL SERVICE CONTACT INFORMATION / WARRANTY INFORMATION ....……….….........
2
3-4
5
6
7
8
9
10
11
12
13
14
15-16
17
18-19
20
21-22
23
24
25
WARNING
HOT
SURFACE
3
OVERVIEW
• These Structural Concepts cases are designed to
merchandise packaged products at 38 °F (3 °C) or less
product temperatures (unless custom cases with wire
rack shelving).
• Product must be pre-chilled to 38 °F (3°C) or less before
being placed in merchandiser.
• Cases should be installed and operated according to this
operating manual’s instructions to ensure proper
performance. Improper use will void warranty.
NSF/ANSI TYPE I vs. II ENVIRONMENTAL CONDITIONS
This unit is designed for the display of products in ambient
environmental conditions where temperatures and relative
humidity are maintained within a specific range.
•
NSF/ANSI Type I Conditions: Product is displayed in
store conditions with maximum ambient temperature of
75 °F (24 °C) and relative humidity of 55%.
•
NSF/ANSI Type II Conditions: Product is displayed in
store conditions with maximum ambient temperature of
80 °F (27 °C) and maximum relative humidity of 55%.
• If you are unsure if your unit is classified as NSF/ANSI
Type I or Type II, see tag next to serial label on your case.
COMPLIANCE
• Performance issues when in violation of applicable
NEC, federal, state and local electrical and plumbing
codes are not covered by warranty.
• See below compliance guideline.
WARNINGS
• This page contains important warnings to prevent injury or
death. Please read carefully!
PRECAUTIONS and WIRING DIAGRAMS
• See next page for PRECAUTIONS and WIRING
DIAGRAM information.
WARNING
Hazardous moving parts. Do not operate unit with covers removed.
Fan blades may be exposed when deck panel is removed.
Disconnect power before removing deck panel.
WARNING
Risk of electric shock. Disconnect power before servicing unit.
CAUTION! More than one source of electrical supply is
employed with units that have separate circuits.
Disconnect ALL ELECTRICAL SOURCES before servicing.
WARNING
ELECTRICAL
HAZARD
WARNING
KEEP
HANDS
CLEAR
COMPLIANCE
This equipment MUST be installed in compliance with
all applicable NEC, federal, state and local
electrical and plumbing codes.
OVERVIEW / TYPE / COMPLIANCE / WARNINGS / PRECAUTIONS / CORDS / WIRING - PAGE 1 of 2
WARNING
This product can expose you to chemicals, including
Urethane (Ethyl Carbamate), which are known to the state of
California to cause cancer and birth defects or other reproductive
harm. For more information go to P65Warnings.ca.gov.
WARNING
Condensate pan and overflow condensate pans are HOT!
Disconnect and allow to cool before cleaning or removing from case.
PRECAUTIONS
• Following are important precautions to prevent damage
to unit or merchandise. Read carefully!
• See previous page for specifics on OVERVIEW,
CONDITION TYPE, COMPLIANCE and WARNINGS.
WIRING DIAGRAM
• Each case has its own wiring diagram folded and in its
own packet. It may be placed near ballast box, field
wiring box, raceway cover, or other related location.
REFRIGERANT DISCLOSURE STATEMENT
• This equipment is prohibited from use in California with
any refrigerants on the “List of Prohibited Substances” for
that specific end-use, in accordance with California Code
of Regulations, title 17, section 95374.
• This disclosure statement has been reviewed and
approved by Structural Concepts and Structural Concepts
attests, under penalty of perjury, that these statements
are true and accurate.
OVERVIEW / TYPE / COMPLIANCE / WARNINGS / PRECAUTIONS / CORDS / WIRING - PAGE 2 of 2
4
CAUTION! POWER CORD AND PLUG MAINTENANCE
Risk of electric shock. If cord or plug becomes damaged,
replace only with cord and plug of same type.
CAUTION! GFCI BREAKER REQUIREMENT
If N.E.C. (National Electric Code) or your local code
requires GFCI (Ground Fault Circuit Interrupter) protection,
you MUST use a GFCI breaker in lieu of a GFCI receptacle.
CAUTION! ADVERSE CONDITIONS / SPACING ISSUES
• Performance issues caused by adverse conditions are NOT warranted.
• To prevent damage to end panels due to condensation, apply industrial grade
silicone sealant and tightly join to opposite end panels. When not adjoining
cases, keep end panels at least 6” away from walls/structures. Rear panels
must also be kept at least 6” from walls and structures.
• Case must not be exposed to direct sunlight or any heat source.
• To maintain proper case temperature, keep case at least 15-feet from exterior
doors, overhead HVAC vents or any air curtain disruption.
• Self-contained case clearance: 6” min. air intake / 6” min. air discharge.
CAUTION
CAUTION! DO NOT RELY ON THERMOMETERS OR
THERMOSTATS FOR PRODUCT (FOOD) TEMPERATURES.
• Thermometers & thermostats reflect air temperatures ONLY.
• For ACTUAL product (food) temperatures, use a calibrated food
probe thermometers ONLY.
• For accurate readings, DO NOT use infrared food thermometers.
CAUTION! CHECK CONDENSATE PAN, ITS POSITION & PLUG!
Water on flooring can cause extensive damage!
• Before powering up case, check that condensate pan is positioned
directly under case’s condensate drain.
• Before powering up case, check that condensate pan’s electrical plug is
SECURELY connected to condensate system’s receptacle.
• If wicking material is used in condensate pan, check that it is secure.
5
INSTALLATION: REMOVAL FROM SKID / REMOVING LOWER FRONT PANELS
1. Remove From Skid
• Remove shipping brace that may be securing case to skid.
• Support case to prevent tipping.
• Caution! Frame support rails (or levelers) can be damaged if case hits floor with heavy force!
• Carefully slide unit to rear of skid and tip backward off skid.
• Illustration may not reflect every feature or option of your particular case.
• Note: Case can be repositioned with pallet truck when front lower panel is removed. Blocking may be
necessary to obtain adequate height.
Slide Skid Out
Note: Illustrations
shown reflect a general
outline of sample
cases and do not reflect
features or options of
your particular model.
2. Removing Lower Front Panels
Note: No screw removal required: Simply lift lower front panel up (off hooks) and out (away from case).
View of Unit After Front Panel Removed
Hooks For Lower
Front Panel
Slots For Lower
Front Panel
Slots For Lower
Front Panel
6
INSTALLATION: BOLTING AND CAULKING UNITS TOGETHER (OPTIONAL)
3. Bolting and Caulking Units Together
(Optional)
Follow these steps to assure a secure, level lineup.
A. Begin all lineups leveling from highest point of
floor.
B. After the ’first’ case is level, apply industrial grade
butyl caulk on non-visible areas (at case end).
Use industrial grade silicone sealant on visible
areas (at case end).
C. Form Two (2) Caulk/Sealant Lines: (Sanitation
and Refrigeration). See illustration at mid-right for
outline of caulk/sealant lines.
D. Line up ‘second’ case bolt-hole to bolt-hole to
‘first’ case.
E. Using SCC-supplied bolts (found in hole locations
OR in installation packet), insert bolts in bolt hole
locations (shown at top-right). You may need to
remove decking to access lower bolt holes.
F. Caution! Front of cases MUST be flush with each
other! After leveling, all cases to be same height.
G. Using SCC-supplied nuts & bolts, lightly tighten
each of the 5 to 8 bolts in a cross-wise pattern.
Work your way around the pattern, tightening
more firmly at each pass. Do not firmly tighten
one bolt and then start on the next!
H. After the cases are bolted together, level the
‘second’ case. Repeat this process for each case
to be adjoined.
I. After all lined-up cases are level, seal all seams
with industrial grade silicone sealant.
• See illustration at top-right.
Deck
Approximate hole
locations pointed
at with arrows
( ) for bolting
units together.
Sanitation Bead
Refrigeration Bead
Sanitation
Bead
Refrigeration
Bead
7
INSTALLATION: FIELD SERVICE CONNECTION SPACE REQUIREMENTS
4. Field Service Connection Requirements - Follow These Instructions
Note: Any Changes To This Document
Must Also Be Made To SCC Field
Service Connection Guide P/N 20-68334.
PURPOSE OF THESE INSTRUCTIONS: FOLLOWING THESE
INSTRUCTIONS WILL ENABLE THIS CASE TO BE MOVED
FORWARD FOR SERVICING FANS OR OTHER COMPONENTS
IN THE REAR (LARGER) CASE.
BRAZING: KEEP CASE 2-FOOT AWAY FROM REAR (LARGER)
CASE WHILE BRAZING REFRIGERATION LINES.
PVC DRAIN TUBE ATTACHMENT: SLIDE CASE BACK
AGAINST REAR (LARGER) CASE. THEN, CONNECT PVC
DRAIN TUBE TO COUPLER.
ELECTRICAL: ALLOW 2-FOOT SLACK IN WIRING.
Important!
Keep 2-Foot
Space From
Case Rear
(Larger Case)
While Brazing!
Coupler
PVC Drain Tube (To Be
Attached To Coupler)
Refrigeration Lines
8
INSTALLATION: UNDERSIDE FIELD ACCESS COMPONENTS (MODEL GJDSS6RLB DISPLAYED)
5. Underside Field Access Box Components
and Underside Refrigeration Line Route
• On certain models, field access components (a
variety of which is shown below) are at underside.
• Model GHSSEH456RLB is illustrated below; your
underside component layout may vary.
• Caution! Only certified electricians are to perform
electrical connectivity duties.
• To access large field access box, two screws (at
case front) must be removed and box slid out.
• Temperature controller is customer maintained.
See your store manager for operational specifics.
Note: Illustration Reflects Remote
Model GJDSS6RLB With
Underside Electrical Components.
Your Case May Vary.
Dixell®
Display
LED
Driver
Temperature
Controller
Transformer
Refrigeration
Lines
Fuse
Block
Remove Screws (Typ.)
to Slide Out Large Field
Access Box From
Underside Of Case
LED
Driver
Terminal
Blocks
9
INSTALLATION: FRAME SUPPORT RAILS / SEALING TO FLOOR
6. Cases With Frame Support Rails: Shim
• Illustration below (Model GJDSS10RLB) shows case with frame support rails.
• Shims will be provided with all cases that have frame support rails.
• Use shims to level case.
• Note: After case is in position, it must be sealed to floor to prevent entry or leakage of liquid or
moisture.
Frame Support
Rails
Note: Illustration Above May Not Reflect Every
Feature or Option of Your Particular Case
Note: Model GJDSS10RLB is Shown Above.
See Next Page for Model GJDSS6RLB Layout
10
INSTALLATION: REFRIG. LINE & DRAIN STUB-UP CONNECTION - MODEL GJDSS6RLB ONLY
7. Refrigeration Line Stub-Up Connection
• Remove front panel/toe-kick. Refrigerant stub-up
access opening is at the front on the left hand
side of the base (as shown in illustration below).
• See next page for Model GJDSS8RLB
refrigeration line stub-up connection layout.
8. Evaporator Coil Drain Connection
• Coupler connection point is under the case on the
right hand side (as shown in below illustration).
• Front panel/toe-kick may be removed to allow
access when connecting PVC drain tube to
coupler.
• Maintain 1/4”-fall per foot to provide proper
drainage.
• See next page for Model GJDSS8RLB evaporator
coil drain connection layout.
--- Case Rear ---
--- Case Front ---
Refrigeration
Lines Stub-Ups
Coupler
Note: Model GJDSS6RLB is Shown Above.
See Next Page for Model GJDSS8RLB Layout
Wire Raceway
Hat Channel
Wire Raceway
Note: Illustration Above May Not Reflect Every
Feature or Option of Your Particular Case
PVC Drain Tube (To Be
Attached To Coupler)
11
INSTALLATION: REFRIG. LINE & DRAIN STUB-UP CONNECTION - MODEL GJDSS8RLB ONLY
9. Refrigeration Line Stub-Up Connection
• Remove front panel/toe-kick. Refrigerant stub-up
access opening is at the front on the left hand
side of the base (as shown in illustration below).
• See previous page for Model GJDSS6RLB
refrigeration line stub-up connection layout.
10. Evaporator Coil Drain Connection
• Coupler connection point is under the case on the
right hand side (as shown in below illustration).
• Front panel/toe-kick may be removed to allow
access when connecting PVC drain tube to
coupler.
• Maintain 1/4”-fall per foot to provide proper
drainage.
• See next page for Model GJDSS10RLB
evaporator coil drain connection layout.
Case Rear
Case Front
Note: Model GJDSS8RLB is Shown Above.
See Next Page for Model GJDSS10RLB Layout.
Wire Raceway
Route
Refrigeration Line
Stub-Ups
Note: Illustration Above May Not Reflect Every
Feature or Option of Your Particular Case
Coupler
PVC Drain Tube
(To Be Attached
To Coupler)
12
INSTALLATION: REFRIG. LINE & DRAIN STUB-UP CONNECTION - MODEL GJDSS10RLB ONLY
11. Refrigeration Line Stub-Up Connection
• Remove front panel/toe-kick.
• Refrigerant stub-up access opening is at the
front on the left hand side of the base (as shown
in illustration below).
• See previous page for Model GJDSS8RLB
refrigeration line stub-up connection layout.
12. Evaporator Coil Drain Connection
• Coupler connection point is under the case near
center of case (as shown in below illustration).
• Front panel/toe-kick may be removed to allow
access when connecting PVC drain tube to
coupler.
• Maintain 1/4”-fall per foot to provide proper
drainage.
• See next page for Model GJDSS12RLB
evaporator coil drain connection layout.
Case Rear
Case Front
Refrigeration
Lines Stub-Ups
Note: Model GJDSS10RLB is Shown Above.
See Next Page for Model GJDSS12RLB Layout.
Wire Raceway
Route Shown Under
Hat Channel
Coupler
PVC Drain Tube
(To Be Attached
To Coupler)
Frame Support Rail
Shown Transparent
For Illustrative
Purposes Only
13
INSTALLATION: REFRIG. LINE & DRAIN STUB-UP CONNECTION - MODEL GJDSS12RLB ONLY
13. Refrigeration Line Stub-Up Connection
• Remove front panel/toe-kick.
• Refrigerant stub-up access opening is at the
front on the left hand side of the base (as shown
in illustration below).
• See previous page for Model GJDSS10RLB
refrigeration line stub-up connection layout.
14. Evaporator Coil Drain Connection
• Coupler connection point is under the case near
center of case (as shown in below illustration).
• Front panel/toe-kick may be removed to allow
access when connecting PVC drain tube to
coupler.
• Maintain 1/4”-fall per foot to provide proper
drainage.
Case Rear
Case Front
Refrigeration
Lines Stub-Ups
Note: Model GJDSS12RLB is Shown Above.
See Previous Page for Model GJDSS10RLB Layout.
Wire Raceway
Route
Coupler
PVC Drain Tube
(To Be Attached
To Coupler)
14
INSTALLATION: DISPLAY CASE START-UP / LIGHTS / THERMOMETER / TEMP. CONTROLLER
15. Case Start-Up
• Case will power-up when properly field wired (or
plugged in).
• After case is powered up, lift decking by simply
lifting up (no screw removal required) to confirm
that axial fans are running.
• See next page for illustrations.
16. Light Fixtures
Light fixtures are located above honeycomb air
diffuser (as shown at right).
Warning! Disconnect power before providing
maintenance and service to unit.
Caution: Lamps are treated to resist breakage;
replace with similarly treated lamps.
Mini-LED Style Light Fixtures
Removal of lamp:
• If case is provided with mini-LED lights, they will
rarely require change-out.
• Contact Structural Concepts’ Technical Service
Department for replacement parts (see the
Technical Service section of operating manual).
Replacement of lamp:
• To replace LED light fixture, simply disconnect the
existing LED light from its brackets. Replace.
• Note: LED light and plug must be connected in a
specific manner or they will not work.
• Make certain oval edge of plug connects to oval
edge of LED light.
• See illustrations at right.
17. Light Switch
• Turn on lights with switch located near
thermometer (as shown below).
• To conserve energy, turn off lights when not
needed.
18. Thermometer
• Thermometer is located near LED light switch.
• Thermometer does NOT reflect actual food
temperatures; it is ONLY for monitoring warmest
air temperature in merchandiser.
• Food probes must be used to measure actual
food temperatures.
19. Temperature Controller
• Temperature controller is located at front left
behind lower front panel.
• Temperature controller is provided by customer.
LED Light
Switch
Mini-LED Light
Thermometer
Dixell®
Display
• See store manager for operating instructions for
your unit’s temperature controller (thermostat).
• Check that compressor symbol light is on.
• Compressor will likely be identified with:
• After case has run for a few minutes, check that
temperature starts to drop.
• If temperature controller does not begin cooling
unit (in a few minutes) see temperature controller
owner’s manual for instructions.
LED Light
Plug
LED’s Barrel
Shaped Insert
15
REFRIG. AREA: AXIAL FANS / DRAIN / TXV / BALL VALVE / SHUTOFF VALVE / ROUTES - PG 1 of 2
1. Refrigeration Area Layout - Model GJDSS6RLB
• Caution! Only authorized personnel are to access refrigeration area.
• Illustration below is shown after removal of decking (no screw removal required).
• See next page for similar layout of Model GJDSS10RLB.
Electrical
Cord Route
Drain
Ball Valve
Shutoff
Valve
Valve
Refrig.
Line Route
TXV
Axial Fan
Axial Fan
Axial Fan
Axial Fan
16
REFRIG. AREA: AXIAL FANS / DRAIN / TXV / BALL VALVE / SHUTOFF VALVE / ROUTES - PG 2 of 2
2. Refrigeration Area Layout - Model GJDSS10RLB
• Caution! Only authorized personnel are to access refrigeration area.
• Illustration below is shown after removal of decking (no screw removal required).
• See previous page for similar layout of Model GJDSS6RLB.
Electrical
Cord Route
Drain
Balancing
Valve
Drain
Ball Valve
Axial Fan
Axial Fan
Axial Fan
Ball Valve
Refrigeration
Lines
Electrical
Cord Route
Solenoid
Refrigeration
Line Route
Axial Fans
(Typical)
Model GJDSS10RLB
Front-Left
Model GJDSS10RLB
Front-Right
17
GENERAL CLEANING (TO BE PERFORMED BY STORE PERSONNEL)
AREA TO CLEAN FREQ. INSTRUCTIONS
Case Exterior Daily Acrylic: Clean any acrylic surfaces (including air deflectors) and with a
mild soap and water solution and a soft cloth. Caution! Never use
ammonia-based cleaners on acrylic. Incorrect cleaning agents or
abrasive cleaning cloths cause surface to ‘cloud’ over time.
Daily Glass / Mirrors / Shelving: Clean side glass, glass shelves, and
mirrors with a household or commercial glass cleaner.
Daily End Panels, Front Panel, Toe-Kick, etc.: Wipe off all surfaces with
warm water and mild soap solution and non-abrasive cloth.
Case Interior Daily Decking: Decking can be cleaned with a warm soap and water solution.
For stubborn stains/residue, decks can be removed and cleaned with
soap and water solution or submersed in hot, soapy water solution.
Rinse thoroughly. Dry. Return to case.
Weekly Air Return Grilles
• Wipe off air return grilles with moist cloth.
• Air return grilles can be removed for more thorough cleaning.
18
TROUBLESHOOTING (TO BE PERFORMED BY STORE PERSONNEL)
CONDITION TROUBLESHOOTING
Case Not Lining Up See INSTALLATION section in manual for instructions on properly aligning
case (alongside other cases) and adjusting levelers (or rails).
Water Is On The Floor Call service provider.
Fan Emits Excessive Noise Call service provider.
Case Lights Are Not
Working
See next page.
Case is Not Holding
Proper Temperature
If a large amount of warm product was added to the case, it will take time
for the temperature to adjust. Product must be pre-chilled before placing in
case.
Check that the case is not in the sun or near a heat or air-conditioning vent.
See OVERVIEW / TECHNICAL INFORMATION / WARNINGS section in
this manual for specifics.
If case is located near front doors, temperature fluctuation can hinder unit’s
ability to maintain temperature. Relocation of unit may be required.
Check air return grilles (area at front of decking) for obstructions. DO NOT
set product on air grilles as this will prevent proper airflow!
If case still is not holding proper temperature, call service provider.
19
TROUBLESHOOTING (TO BE PERFORMED BY STORE PERSONNEL), CONT’D
1. Power Cord and Plug
• Power cord and plug (for LED lights) locations vary
depending upon model.
• Caution! You must plugged in an approved outlet!
2. LED Lights
• LED lights are usually located at both header and shelving
of case; placement on your merchandiser may differ.
• Check that ALL of the light plugs are properly connected to
the LED light.
• Plug must be inserted ALL THE WAY into the LED light
orifice (with no gap) to work properly.
• See TROUBLESHOOTING section in manual if LED lights
malfunction.
3. LED Style Light Fixtures
Removal of faulty LED light:
• LED lights rarely require change-out.
• To remove faulty LED light, simply grasp light near
retaining spring and carefully pull away from its spring.
Disconnect plug from LED’s socket.
• Contact Structural Concepts’ Technical Service
Department for replacement parts (see Technical
Service section of this manual for information).
Replacement of LED light:
• To replace LED light fixture, simply insert new LED light
at proper position (socket must be near plug). Carefully
snap into metal springs so LEDs are held firmly in place.
• Note: LED light and plug must be connected in a
specific manner or they will not work.
A. Certain plug designs (“barrel type”) merely require that
plug be pushed all the way in.
B. Other plugs require “oval edge” of plug to
connect to oval edge of LED light.
• See illustrations at right.
LED’s Oval Form
Plug’s
Oval Form
--- LED Plug & Light Fixture ---
Retaining
Springs
Plug
A
B
LED’s Barrel
Shaped
Insert
LED
Light
“B-Shaped” LED Plug & Light Fixture
“Barrel-Shaped” LED Plug & Light Fixture
LED Light
Plug
LED’s Barrel
Shaped Insert
No Gap
Gap
20
GENERAL CLEANING (TO BE PERFORMED BY TRAINED SERVICE PROVIDERS ONLY)
AREA TO CLEAN FREQUENCY INSTRUCTIONS
Case Interior Monthly Evaporator Fan Shroud Area (Under Decking): Remove product
from case. Remove decks from case. Clean fan shroud,
surrounding tub area and components with moist cloth.
Quarterly Tub & Drain: Vacuum tub under decks. Clean with soap and water
solution. Wipe dry with clean cloth. Keep drain free of debris to
prevent clogging.
Quarterly Honeycomb: See MAINTENANCE FUNDAMENTALS -
HONEYCOMB AIR DIFFUSERS (SERVICE TECHNICIANS ONLY)
section in manual for cleaning specifics.
21
CONDITION TROUBLESHOOTING
Case Not Lining Up See INSTALLATION section in manual for instructions on properly aligning case
(alongside other cases) and adjusting levelers.
Water Is On The Floor Caution! Water on flooring can cause much damage! Until cause is determined
(and repaired), following these procedures:
• Use wet-dry vacuum (or mop & bucket) to remove standing water.
• Use ‘catch pans’ for water to drain into. Swap out regularly until case has
completely drained.
Check that the drain trap is free of debris.
Check that the drain hose is correctly positioned over floor drain.
Check store conditions.
• To prevent condensation in NSF/ANSI Type I environments, maximum
conditions are to be 55% relative humidity / 75° Fahrenheit.
• For NSF/ANSI Type II environments, maximum conditions are to be 55%
relative humidity / 80° Fahrenheit.
• If you are unsure if your unit is classified as NSF/ANSI Type I or Type II, see
tag next to serial label on your case.
Fan Emits Excessive
Noise
Check that the case is aligned, level and plumb.
Check evaporator fans for cleanliness.
Check fan motors for bearing wear.
Check that fan motors are securely mounted in brackets.
Check that nothing is preventing blade rotation.
Check that the fan shroud is properly secured.
Fans Are Not Working Check for foreign material obstructing fan performance.
Check that fan blades freely rotate within fan shrouds
Check that power is going to fans
Check that fan wiring is connected on terminal blocks.
Digital Control Display
Is Blank
Check the circuit breaker box for tripped circuits.
System Not Operating Check that the utility power is on.
Check the circuit breaker box for tripped circuits.
TROUBLESHOOTING (TO BE PERFORMED BY TRAINED SERVICE PROVIDERS ONLY) - PAGE 1 of 2
22
CONDITION TROUBLESHOOTING
Case Lights Are Not
Working
Check that light switch is in the on position.
Check that ALL of the light cords and plugs are properly connected. See
INSTALLATION: DISPLAY CASE START-UP (START-UP / LIGHTS /
THERMOMETER / CONTROLLER) section in this operating manual.
Service Technicians Only: Check voltage at LED drivers. If voltage is entering but
not exiting, LED driver may be faulty.
Control Display Is
Flashing
See your case’s serial label for your model’s specified settings. See SERIAL
LABEL LOCATION & INFORMATION LISTED / TECH INFO & SERVICE for label
location, etc.
Case Is Not Holding
Temperature
If a large amount of warm product was added to the case, it will take time for the
temperature to adjust. Unit needs product to be pre-chilled.
Temperature changes during defrost mode but will return to normal. Fourth LED
will indicate defrost cycle in progress.
Check that case is not in sun or near a heat or air-conditioning vent. See
OVERVIEW / TYPE 1 vs. 2 / COMPLIANCE / WARNINGS / PRECAUTIONS /
WIRING / PLUGS section in manual for adverse conditions/spacing issue
parameters.
If case is located near front doors, temperature fluctuation can hinder unit’s ability
to maintain temperature. See OVERVIEW / TYPE 1 vs. 2 / COMPLIANCE /
WARNINGS / PRECAUTIONS / WIRING / PLUGS section in manual for adverse
conditions/spacing issue parameters.
Check air return grilles for obstructions.
TROUBLESHOOTING (TO BE PERFORMED BY TRAINED SERVICE PROVIDERS ONLY) - PAGE 2 of 2
23
MAINTENANCE FUNDAMENTALS - HONEYCOMB AIR DIFFUSERS (SERVICE TECHNICIANS ONLY)
Honeycomb Air Diffuser Access
See PREVENTIVE MAINTENANCE (TO BE PERFORMED BY
TRAINED SERVICE PROVIDER) section in this operating
manual for cleaning frequency.
A. Reach into edge of honeycomb bracket. Force honeycomb
away from lower lip of honeycomb bracket and grasp firmly.
B. Carefully pull honeycomb bracket outward (away from case
magnets). See image at right.
C. Remove entire bracket (with honeycomb inside) from case.
D. Clean honeycomb with warm water and soap solution.
Submerse if necessary. Use brush to dislodge stubborn or
sticky residue. Dry by using vacuum’s blow mode.
E. Replace honeycomb into honeycomb bracket so that it is
flat
against retainer. It must not be wavy or out of position.
F. Return honeycomb bracket to case (pressing it against
magnets in upright).
Note: For honeycomb air diffusers in other locations, these same
general instructions apply.
Magnet (To Retain
Honeycomb Bracket)
At Both Ends of Case
Removable Honeycomb
Bracket (Held To Case Via
Magnets at Each End)
Honeycomb
(Shown Removed
From Case)
--- View of Partially Disassembled Case ---
24
SERIAL LABEL LOCATION & INFO LISTED / TECH INFO & SERVICE / REFRIGERATED CASES ONLY
--- Sample Serial Label For Refrigerated Cases ---
MODEL NRS3648RXV-SAMPLE
SERIAL NO. 12345X30DZ098765
888 E. Porter Rd - Muskegon, MI 49441
3048256
Conforms to UL Std. 471
Conforms to NSF/ANSI Stds. 2 & 7
CERTIFIED TO CAN/CSA
STD C22.2 NO 120
ELECTRICAL RATING
REFRIGERANT
DESIGN PRESSURE
MINIMUM CIRCUIT AMPACITY
MAXIMUM OVERCURRENT
120/1/60 16 A
R513A AMOUNT 50 OZ
HIGH 186 LOW 88
20A
20A
Super Heat Temp 6-8 °F FOR PARTS AND SERVICE
Defrost 6 defrosts per day, 45 °F CALL 1-800-433-9490
Serial Label Location & Information Listed /
Technical Information & Service
• Serial labels are affixed at a wide range of places
(on the header, near thermostat, at case rear,
behind panels/toe-kicks, on electrical boxes, etc.).
• Serial labels contain electrical, temperature and
refrigeration information, as well as regulatory
standards to which the case conforms.
• Sample serial label shown below.
• For additional technical information and service, see
the TECHNICAL SERVICE page in this manual for
instructions on contacting Structural Concepts’
Technical Service Department.
Fusion
Harmony
Reveal
Impulse
Addenda
Blend
Grocerant
Oasis
Sample QR Code
SCAN FOR PRODUCT LITERATURE
STRUCTURAL CONCEPTS TECHNICAL SERVICE CONTACT INFORMATION & LIMITED WARRANTY
25
TECH SERVICE/WARRANTY CONTACT INFO:
1 (800) 433-9490 / EXTENSION 1
DAYS/HOURS AVAILABLE:
MONDAY - FRIDAY (CLOSED HOLIDAYS)
8:00 A.M. to 8:00 P.M. EST
YOU MUST HAVE THE FOLLOWING INFO AVAILABLE
BEFORE CONTACTING STRUCTURAL CONCEPTS:
SERIAL NO. / MODEL NO. / STORE NO. / STORE
ADDRESS / DETAILS (PHOTOS, LEAK LOCATIONS,
DAMAGE, STORE’S AMBIENT CONDITIONS, ETC.)
To Access The Limited Warranty To Your
Case, Follow These Instructions:
> If Viewing This Document on Smart Phone,
Tablet or Computer, Select/Click On The QR
Code at Right.
> If Viewing This Document In Print (Hard
Copy), Scan The QR Code at Right With Your
Smart Phone or Tablet.
