READ AND SAVE THESE INSTRUCTIONS
INSTALLATION &
G-SERIES
OPERATING MANUAL
PN 20-18548
G-SERIES REFRIGERATED SELF-SERVICE MEDIUM VOLUME MERCHANDIS ERS
PLEASE NOTE THE FOLLOWING:
1. YOUR SPECIFIC MODEL NUMBER IS LOCATED ON THE SERIAL LABEL (USUALLY AT CASE REAR).
HOWEVER, LABEL LOCATIONS MAY VARY DEPENDING UPON MODEL.
2. SEE SERIAL LABEL LOCATION & INFORMATION SECTION IN THIS MANUAL FOR SAMPLE LABELS.
3. CASES SHOWN IN THIS MANUAL MAY REFLECT FULL OR OPEN END PANELS / STRAIGHT OR ANGLED
BASES. YOURS MAY DIFFER.
Model GMSS1252R
Shown At Left
Model GMSS452R….………..…48 3/4”L* x 41 3/8”D x 51 1/4”H
Model GMSS552R……….……..60 9/16”L* x 41 3/8”D x 51 1/4”H
Model GMSS652R…………...…73 1/8”L* x 41 3/8”D x 51 1/4”H
Model GMSS852R………...……97 1/2”L* x 41 3/8”D x 51 1/4”H
Model GMSS1052R………...……121”L* x 41 3/8”D x 51 1/4”H
Model GMSSEH852R…....….…97 1/2”L* x 41 3/8”D~ x 51 1/4”H
Model GMSSEHX952R
Shown Above
888 E. Porter Road · Muskegon, MI 49441 Phone: 231.798.8888 Fax: 231.798.4960 www.structuralconcepts.com
I:\Oper Manuals\G-Series\G-Series_Refrigerated_Med-Volume_Manual_20-18548.pub
Model GMSSEHX952R…….…..72 5/8”L x 41 1/2”D~ x 51 1/4”H
Model GMSS1052R……….…....121 1/8”L* x 41 3/8”D x 51 1/4”H
Model GMSS1252R……….……146 1/4”L* x 41 3/8”D x 51 1/4”H
Model GMSSEH1252R………...146 1/4”L* x 41 3/8”D~ x 51 1/4”H
* Does Not Include End Panels ~ Extended Headers
Model GMSSEH852R
Shown Above
Rev D: 5.12.2014
TABLE OF CONTENTS
OVERVIEW / CONDITION TYPE / COMPLIANCE / WARNINGS / PRECAUTIONS / WIRING .......….
MODELS LISTED IN THIS MANUAL (DETERMINING RESPECTIVE CASE DIMENSIONS) …...…...
INSTALLATION: SKID REMOVAL, POSITIONING AND LEVELING CASE ………………….....……..
INSTALLATION, CONTINUED: BOLTING and CAULKING UNITS TOGETHER …………………..….
INSTALLATION, CONTINUED: FRAME SUPPORT RAIL SHIMMING ……………………………...…..
ELECTRICAL CONNECTIONS / FIELD WIRING BOX / LIGHT BALLASTS / TERMINAL STRIP ......
REFRIGERATION LINES / STUB-UPS / DRAINS …...……………………………………………………..
FIELD ACCESS BOX / RACEWAYS / CONTROLLER - MODEL GMSSEH852R .….………...….……
FIELD ACCESS BOX / RACEWAYS / CONTROLLER - MODEL GMSSEH1252R …………………….
FIELD ACCESS BOX / RACEWAYS / CONTROLLER - MODEL GMSSEHX952R ……………………
START-UP AND OPERATION / THERMOMETER LOCATION AND FUNCTION …………… ………..
MAINTENANCE FUNDAMENTALS: STANDARD & LED LIGHT FIXTURES …………..….…...……...
MAINTENANCE FUNDAMENTALS: EVAPORATOR FANS, REFRIG. LINES, TXV & DRAIN ………
MAINTENANCE FUNDAMENTALS: SHELF ASSEMBLY & UNDER CASE CLEANING ……..……...
MAINTENANCE FUNDAMENTALS: HONEYCOMB AIR DIFFUSERS ………………………………….
SERIAL LABEL INFORMATION & LOCATION …….……………………..………………….……...…….
CLEANING SCHEDULE (TO BE PERFORMED BY STORE PERSONNEL) ..…..…...….....................
TROUBLESHOOTING ...…………………………………………………..………………...…..………….….
PREVENTIVE MAINTENANCE (TO BE PERFORMED BY TRAINED SERVICE PROVIDER) ……….
SCC TECHNICAL SERVICE CONTACT INFORMATION & WARRANTY INFORMATION ………......
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OVERVIEW / CONDITION TYPE / COMPLIANCE / WARNINGS / PRECAUTIONS / WIRING - PG 1 of 2
OVERVIEW
These Structural Concepts merchandisers are
designed to merchandise packaged products at
41 °F (5 °C) or less product temperatures.
Product must be pre-chilled to 41 °F (5 °C) or less
prior to 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.
CONDITION TYPE
This unit is designed for the display of products in ambient
store conditions where temperatures and humidity are
maintained within a specific range.
For Type 1 Conditions (these cases): ambient
conditions are to be at 55% maximum humidity and
maximum temperatures of 75 °F (24 °C).
For Type 2 Conditions: ambient conditions are to be at
60% maximum humidity and maximum temperatures
of 80 °F (27 °C).
If unsure if unit is Type 1 or 2, see tag next to serial
label. See SERIAL LABEL LOCATION &
INFORMATION LISTED / TECH INFO & SERVICE
section in this manual for sample serial labels.
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!
WIRING DIAGRAM
Each case has its own wiring diagram folded and in its
own packet.
Wiring diagram placement may vary; it may be placed
near ballast box, field wiring box, raceway cover, or
other related location.
PRECAUTIONS
See next page for PRECAUTION information.
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.
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
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.
WIRING DIAGRAM FORMAT & LOCATION
Each case has its own wiring diagram folded & in its own packet.
Wiring diagram placement may vary; it may be placed near ballast
box, field wiring box, raceway cover, or other related location.
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OVERVIEW / CONDITION TYPE / COMPLIANCE / WARNINGS / PRECAUTIONS / WIRING - PG 2 of 2
PRECAUTIONS
Following are important precautions to prevent
damage to unit or merchandise.
Please read carefully!
See previous page for specifics on OVERVIEW,
CONDITION TYPE, COMPLIANCE and WARNINGS.
CAUTION! LAMP REPLACEMENT GUIDELINES
LED lamps reflect specific size, shape and overall design.
CAUTION
Any replacements must meet factory specifications.
Fluorescent lamps have been treated to resist breakage and
must be replaced with similarly treated lamps.
CAUTION! GFCI BREAKER USE 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.
POWER CORD AND PLUG MAINTENANCE
Caution! Risk of electric shock.
If cord or plug becomes damaged, replace only with
cord and plug of same type.
CAUTION
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! ADVERSE CONDITIONS / SPACING ISSUES
Performance issues caused by adverse conditions are NOT covered
by warranty.
End panels must be tightly joined or kept at least 6-inches away from
any structure to prevent condensation.
Unit must be kept at least 15-feet from exterior doors, overhead HVAC
vents or any air curtain disruption to maintain proper temperatures.
Unit must not be exposed to direct sunlight or any heat source (ovens,
fryers, etc.).
Tile floors, low ceilings or small rooms will increase noise level.
Whisper Cool compressor blanket or remote unit may resolve noise
level issues.
Keep at least 8-inch clearance above unit for air discharge
(self-contained units only).
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MODELS LISTED IN THIS MANUAL (AND DETERMINING THEIR RESPECTIVE CASE DIMENSIONS)
DETERMINING YOUR MODEL AND ITS CASE DIMENSIONS:
Note 1. Your model number can be found on serial label (usually at case rear). However, serial
label placement can sometimes vary depending upon model. See SERIAL LABEL INFORMATION &
LOCATION section in this manual for serial label samples.
Note 2. Cover page may display exact dimensions of your case. If not, dimensions of most models
can be found at www.StructuralConcepts.com. Simply enter the case model number into the
Product Number Search box. Click the product specification link for complete dimensions.
Note 3. If your specific model is not found, contact technical service (phone number is listed at
Technical Service section in this manual) for dimensions.
Note 4. CDRs (Customer Design Requests) are listed with a 4-digit suffix. Dimensions are very
similar to standard model (pre-suffix) dimensions.
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INSTALLATION: SKID REMOVAL, POSITIONING AND LEVELING CASE
Note: Units shown may not depict an exact representation of your particular unit being installed.
1. Remove From Skid (Rails or Levelers)
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.
Slide Skid Out
Note: Case can be repositioned with pallet truck
when front lower panel is removed. Blocking
may be necessary to obtain adequate height.
2. Remove Case From Skid (Casters)
Remove shipping brackets that may be securing
casters to skid
Place ramp up against skid (to allow case to
smoothly slide off from skid).
Maintain support of case at all times or center
of gravity may cause case to fall.
Unlock Casters. Roll unit to rear of skid.
Roll down ramp
and off from skid.
Note: Illustrations
shown reflect a
general outline of
sample cases and do
not reflect features or
options of your
particular model.
Ramp
Support
while
rolling
case
down
ramp.
3. Position and Level Units
Move case into position. Or, if case has
casters, roll into position.
Align multiple units carefully in areas A & B.
See next page for bolting and caulking
instructions (for case adjoinment purposes).
A
B
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INSTALLATION, CONTINUED: BOLTING and CAULKING UNITS TOGETHER
4. Bolting and Caulking Units Together
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 installation
packet or inserted in holes), insert bolts in bolt
Refrigeration Bead
Approximate hole
locations pointed
at with arrows
( ) for bolting
units together.
Sanitation Bead
hole locations (shown at 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.
Refrigeration
Bead
Sanitation
Bead
Deck
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INSTALLATION, CONTINUED: FRAME SUPPORT RAIL SHIMMING
Note: Units shown may not depict an exact representation of your particular unit being installed.
1. Position & Align Case Alongside Other
Cases (See Previous Page For Instructions)
Before adjusting levelers (or shimming frame
support rails), make certain that the case is in
proper position and, if required, aligned with
adjoining case(s).
This may require the repositioning of the case
you are installing or
the already positioned case.
2. Frame Support Rails Must Be Shimmed
Illustration below 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
--- View of GMSS1252R Shown / Your Model May Vary ---
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