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Structural Concepts G Series Installation And Operating Manual

Lower base unit/with flat/curved/vertical glass, with optional security grid, with angled glass raised for illustrative purposes only
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G-SERIES
COMBINATION COLD MERCHANDISERS:
SERVICE UPPER / SELF SERVICE LOWER "TALL DOMES"
>> BLOWER COIL UNITS (STANDARD)
>> GRAVITY COIL UNITS (OPTIONAL)
>> THREE (3) UPPER SECTION VARIABLES:
DELI PRODUCTS: BLOWER COILS
(NO GRAVITY COILS NOR ICE TRAYS)
MEAT PRODUCTS: GRAVITY COILS WITH
PLATTER COILS (NO BLOWER COILS)
SEAFOOD PRODUCTS: GRAVITY COILS WITH
ICE TRAYS (NO BLOWER COILS)
Models Included in Operating Manual: GCD456R
GCD656R GCD856R GCD1256R GCDET1256RLB
GCDT456RLB GCDT656RLB GCDT856RLB
GCDTV856RLB.6724A GCDT1056RLB
GCDT1256RLB
I:\Oper Manual\G-Series\GCDT456RLB_GCDT656RLB_GCDT856RLB_GCDT1056RLB_GCDT1256RLB_20-17016.pub
READ AND SAVE THESE INSTRUCTIONS
INSTALLATION AND
OPERATING MANUAL
MODEL GCDT656RLB
(LOWER BASE UNIT)
WITH FLAT GLASS
MODEL GCD856R
(SHOWN WITH OPTIONAL
SECURITY GRID)
MODEL GCDT856RLB
(LOWER BASE UNIT WITH
MODEL GCDTV856RLB.6724A
(LOWER BASE UNIT
WITH VERTICAL GLASS)
Structural Concepts Corporation · 888 E. Porter Road · Muskegon, MI 49441 Phone: 231.798.8888 Fax: 231.798.4960 · www.structuralconcepts.com
MODEL GCDT1256RLB (LOWER BASE UNIT)
MODEL GCDT656RLB
(LOWER BASE UNIT)
WITH CURVED GLASS
CURVED GLASS)
MODEL GCDT856RLB
(LOWER BASE UNIT WITH
ANGLED GLASS (RAISED
FOR ILLUSTRATIVE
PURPOSES ONLY
PART NO.
20-17016
Rev M Date: 8.2.2016

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Summary of Contents for Structural Concepts G Series

  • Page 1 GCD656R GCD856R GCD1256R GCDET1256RLB ANGLED GLASS (RAISED FOR ILLUSTRATIVE GCDT456RLB GCDT656RLB GCDT856RLB PURPOSES ONLY GCDTV856RLB.6724A GCDT1056RLB GCDT1256RLB Structural Concepts Corporation · 888 E. Porter Road · Muskegon, MI 49441 Phone: 231.798.8888 Fax: 231.798.4960 · www.structuralconcepts.com Rev M Date: 8.2.2016 I:\Oper Manual\G-Series\GCDT456RLB_GCDT656RLB_GCDT856RLB_GCDT1056RLB_GCDT1256RLB_20-17016.pub...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS / MODEL LENGTH, DEPTH & HEIGHT TABLE OF CONTENTS ………………………………………………………………………………………..OVERVIEW / TYPE / COMPLIANCE / WARNINGS / PRECAUTIONS / WIRING DIAGRAM / PLUGS . INSTALLATION: REMOVAL FROM SKID, REMOVING VERTICAL LOWER FRONT PANEL …….….. INSTALLATION: POSITIONING & ALIGNING CASE / BOLTING & CAULKING UNITS TOGETHER ... INSTALLATION: FRAME SUPPORT RAIL SHIMMING ……………………………………………………..

  • Page 3: Overview / Type / Compliance / Warnings / Precautions / Wiring Diagram / Plugs

    OVERVIEW / TYPE / COMPLIANCE / WARNINGS / PRECAUTIONS / WIRING / PLUGS - PAGE 1 of 2  OVERVIEW For Type 2 Conditions: ambient conditions are to be at 60% maximum humidity and maximum temperatures  Upper Section: This merchandiser is designed to of 80 °F (27 °C).
  • Page 4 OVERVIEW / TYPE / COMPLIANCE / WARNINGS / PRECAUTIONS / WIRING / PLUGS - PAGE 2 of 2 PRECAUTIONS POWER CORD AND PLUG MAINTENANCE   This sheet contains important precautions to prevent Caution! Risk of electric shock.  damage to unit or merchandise. If cord or plug becomes damaged, replace only with ...

  • Page 5: Installation: Removal From Skid, Removing Vertical Lower Front Panel

    INSTALLATION: REMOVAL FROM SKID, REMOVING VERTICAL LOWER FRONT PANEL 2. Remove Case From Skid (Casters) 1. Remove Case From Skid (Rails)  Remove shipping brackets that may be securing Remove shipping brace that may be securing case casters to skid to skid.
  • Page 6 INSTALLATION, CONT.: POSITIONING & ALIGNING CASE / BOLTING & CAULKING UNITS TOGETHER 4. Position & Align Case Alongside Other D. Line up ‘second’ case bolt-hole to bolt-hole to ‘first’ case. Cases E. Using SCC-supplied bolts (and/or screws) found in  Before adjusting levelers (or shimming frame installation packet, insert bolts in bolt hole locations support rails), make certain that case is in proper...
  • Page 7 INSTALLATION, CONT.: FRAME SUPPORT RAIL SHIMMING  6. Frame Support Rails Must Be Shimmed Note: After case is in position, it must be sealed to floor to prevent entry or leakage of  Illustration below shows case with frame liquid or moisture. support rails.

  • Page 8: Installation, Cont.: Adjusting Levelers

    INSTALLATION, CONT.: ADJUSTING LEVELERS  7. Adjust Levelers Do not use pry bar on toe-kick (it may buckle).  Do not use pry bar on end panel (it may chip).  After case is in position, adjust case so it is ...

  • Page 9: Installation: Temperature & Defrost Control / Rear Panel Removal / Thermometers

    INSTALLATION: TEMPERATURE & DEFROST CONTROL / REAR PANEL REMOVAL / THERMOMETERS 8. Temperature & Defrost Control 10. Thermometer Placement & Purpose   Both temperature controller and defrost controller Front thermometers are located against rear are remotely controlled. plenums.  ...

  • Page 10: Store Personnel Section Only

    STORE PERSONNEL’S SECTION ONLY STORE PERSONNEL SECTION ONLY...
  • Page 11 OPERATION: DRIVERS / BALLASTS / TERMINAL BLOCK / CONTACTOR, ETC., GENERAL LAYOUT  1. Ballasts and Field Wiring Box See illustrations below for general layouts.  Caution! Only certified electricians are to  Electrical raceways contain various electrical access electrical components! components.
  • Page 12 OPERATION, CONT.: MAIN POWER SWITCH / THERMOSTAT (S.C. UNITS ONLY) / SCALE STAND 2. Main Power Switch 4. Scale Stand / Power Outlets / CAT5 Receptacle  Self-Contained units have main power switch at case rear.  Depending upon the model, there can be one or ...

  • Page 13: Fans

    OPERATION, CONT.: BLOWER COIL UNIT (DELI CASE) REFRIG. LINES / DRAINS / TXV, ETC. 5. Blower Coil Unit (Deli Case) Refrigeration Lines / Stub-Ups / Drain, TXV , Etc.  Illustration on this sheet is applicable to model GCDT856RLB only. ...
  • Page 14 OPERATION, CONT.: BLOWER COIL UNIT (DELI CASE) REFRIG. LINES / DRAINS / TXV, ETC. 6. Blower Coil Unit (Deli Case) Refrigeration Lines / Stub-Ups / Drain, TXV , Etc.  Illustration on this sheet is applicable to model GCDT656RLB only. ...
  • Page 15 OPERATION, CONT.: BLOWER COIL UNIT (DELI CASE) REFRIG. LINES / DRAINS / TXV, ETC. 7. Blower Coil Unit (Deli Case) Refrigeration Lines / Stub-Ups / Drain, TXV , Etc.  Illustration on this sheet is applicable to model GCDTV856RLB.6724 only. ...
  • Page 16 OPERATION, CONT.: PLATTER COIL / GRAVITY COIL (MEAT CASE): REFRIG. LINES / DRAINS / TXV 8. Platter Coil Unit (Meat Case) Refrigeration Lines / Stub-Ups / Drain, TXV, Etc.  Illustration on this sheet is applicable to model GCDT856RLB only. ...
  • Page 17 OPERATION, CONT.: PLATTER COIL / GRAV. COIL (MEAT CASE): REFRIG. LINES / DRAINS / TXV 9. Platter Coil Unit (Meat Case) Refrigeration Lines / Stub-Ups / Drain, TXV, Etc.  Illustration on this sheet is applicable to model GCDT656RLB only. ...
  • Page 18 OPERATION, CONT.: GRAVITY COIL / ICE TRAYS (SEAFOOD CASE): REFRIG. LINES / DRAINS / TXV 10. Gravity Coil Unit With Ice Trays (Seafood Case) Refrigeration Lines / Stub-Ups / Drain, TXV, Etc.  Ice trays have been removed for illustrative purposes. ...
  • Page 19 OPERATION, CONT.: (MODEL GCDT1256RLB GRAV. COIL CASE) DRAIN CONNECT’S / AXIAL FANS  11. Drain Connection Note: Illustration below may not reflect every feature or option of your particular case. Lower front panel may be removed to access the drain stub-up for upper section drain. See 12.
  • Page 20 OPERATION, CONT.: GRAVITY COIL UNITS - ADJ. DECKING (4° & 8° ANGLES) / HUMIDIFICATION 13. Adjustable Decking (Gravity Coil Cases) 14. Humidification Feature   Decks can be angled to allow more consistent Humidification feature allows the case to retain water drainage.

  • Page 21: Operation: Display Case Start-Up / Light Switches / Rear Storage & Shelving

    OPERATION, CONT.: DISPLAY CASE START-UP / LIGHT SWITCHES / REAR STORAGE & SHELVING  See next page for specifics regarding 15. Display Case Start-Up lighting sequence, warm-up, receptacles, etc. A. Case  Lighting is wired in series so all lights must be ...
  • Page 22 OPERATION, CONT.: DISPLAY CASE LIGHTS, TEMPERATURE CONTROLLER, SST 16. Display Case Start-Up, Continued Raceway E. Lights  Turn lights on.  All lights should come on at the same time.  First time lighting may require a short warm-up period. ...

  • Page 23: Stocking / Maintaining Proper Product Condition

    STOCKING / MAINTAINING PROPER PRODUCT CONDITION A. Stocking 6. There are vents located at the base of the 1. Product must always be maintained at a front of the glass, just above the front rail. constant and proper temperature. Thus, These vents supply a continuous, gentle flow from the time product is received, through of air across the front glass which inhibits...

  • Page 24: Maintenance: Rear Sliding Doors / Standard Light Fixtures

    MAINTENANCE: REAR SLIDING DOORS / STANDARD LIGHT FIXTURES Warning! Disconnect power before providing maintenance and service to unit. Light Caution: Lamps are treated to resist breakage Fixtures and must be replaced with similarly treated lamps. Note: Warranty will be void if claims arise from negligence, misuse of goods, extreme Light environmental conditions or improper...
  • Page 25 MAINTENANCE, CONT.: BRACKET RETAINERS / ADJUSTING SHELVES / LOAD LIMITS 4. Bracket Retainer Removal Bracket  To remove brackets, it may be necessary to remove the Retainer Locations nylon shipping bracket retainers.  Pliers will be required to accomplish this task. ...
  • Page 26 MAINTENANCE, CONT.: PRODUCT PLACEMENT / PAN PLACEMENT (MEAT CASE) 7. Prohibited Product Placement 8. Aluminum Deck / Stainless Steel Pan Placement (Meat Case Only)  Caution! DO NOT set product on misting  holes at case rear. Doing so can impede proper Caution! DO NOT place pans and decks in humidity which is required to maintain seafood wrong order onto case! Doing so can prevent...
  • Page 27 MAINTENANCE, CONT.: CUTTING BOARD / REAR LEDGE LOWERING 9. Rear Ledge Removal Steps Illustrations below reflect step-by-step removal method. 1. Hinged support bracket is shown in its standard upright position. 2 & 3. While upright, rear ledge must be slid away from case and then rotated downward to vertical position. 3 &...

  • Page 28: Cleaning Schedule (Interior) - To Be Performed By Store Personnel

    CLEANING SCHEDULE (INTERIOR) - TO BE PERFORMED BY STORE PERSONNEL FREQ. CASE INTERIOR CLEANING INSTRUCTIONS Daily Upper Section Pans (With Ice) (Seafood Case) / Upper Section Aluminum Decking and Stainless Steel Pan (Meat Case): Remove from case. Submerse pans in hot water while ing an anti-bacterial soap solution.

  • Page 29: Cleaning Schedule (Exterior) - To Be Performed By Store Personnel

    CLEANING SCHEDULE (EXTERIOR) - TO BE PERFORMED BY STORE PERSONNEL FREQ. CASE EXTERIOR CLEANING INSTRUCTIONS Daily All Glass / Mirrors: Clean side glass, front glass, glass shelves, and mirrors with household or commercial glass cleaner. Clean out door track with moist cloth. Daily Rear Sliding Door Exterior Glass: Clean with household or commercial glass cleaner.

  • Page 30: Troubleshooting - To Be Performed By Store Personnel

    Check that the drain trap is free of debris. Check that the drain hose is correctly positioned over floor drain. If unable to stop water from draining on floor, Contact Structural Concepts Technical Service. See telephone number on final page in this manual.

  • Page 31: Trained Service Providers Section Only

    TRAINED SERVICE PROVIDERS SECTION ONLY TRAINED SERVICE PROVIDERS SECTION ONLY...

  • Page 32: Refrigeration Package Layout: Model Gcd456R Self-Contained Unit

    REFRIGERATION PACKAGE LAYOUT: MODEL GCD456R SELF-CONTAINED UNIT  1. Refrigeration Package Layout Illustration below may not reflect every feature or option of your unit.  Illustration shown reflects model GCD856R refrigeration package.  Note: Due to design variables, refrigeration package components layout can slightly vary in location.

  • Page 33: Refrigeration Package Layout, Cont.: Model Gcd856R Self-Contained Unit

    REFRIGERATION PACKAGE LAYOUT, CONT.: MODEL GCD856R SELF-CONTAINED UNIT  2. Refrigeration Package Layout, Continued Illustration below may not reflect every feature or option of your particular unit.  Illustration shown reflects model GCD856R refrigeration package.  Note: Due to design variables, refrigeration package components layout can slightly vary in location.

  • Page 34: Cleaning Schedule (Interior) - To Be Performed By Trained Service Providers

    CLEANING SCHEDULE (INTERIOR) - TO BE PERFORMED BY TRAINED SERVICE PROVIDERS ONLY AREA FREQ. INSTRUCTIONS Interior Quarterly Upper Section Pans (With Ice) (Seafood Case) / Upper Section Aluminum Decking and Stainless Steel Pan (Meat Case): Remove from case. Submerse pans in hot water while using an anti-bacterial soap solution. Rinse thoroughly and dry.
  • Page 35 CLEANING SCHEDULE (INTERIOR), CONT. - PERFORMED BY TRAINED SERVICE PROVIDERS ONLY Preventive maintenance should be performed every 90 days unless conditions warrant a more frequent replacement cycle. 1. Honeycomb Air Diffuser Removal & Cleaning Diffuser A. Wedge non-metallic device of suitable strength (such as a ballpoint pen) between honeycomb and end panel.

  • Page 36: Troubleshooting - To Be Performed By Trained Service Providers Only

    See serial label (at case rear near main power switch) for Type of your case. Check that overflow evaporator pan is plugged in and operating properly. If unable to stop water from draining on floor, Contact Structural Concepts Technical Service. See telephone number on final page in this manual.
  • Page 37 TROUBLESHOOTING, CONT. - TO BE PERFORMED BY TRAINED SERVICE PROVIDERS ONLY CONDITION TROUBLESHOOTING Fans Are Not Working Check that the MAIN power switch (if present) is on. Check that fans are plugged in to fan shroud. Check for foreign material obstructing fan performance. Check that fan blades freely rotate within fan shrouds.
  • Page 38 TROUBLESHOOTING - CONDENSING SYSTEM (BY TRAINED SERVICE PROVIDERS ONLY) CONDITION TROUBLESHOOTING Head Pressure Too High Check that the condensing coil is not dirty or covered. Check that condensing fans are working. Check that refrigerant is not overcharged. Perform sub-cooling check and verify that no contaminates are in system. Check that liquid line filter dryer is not plugged.
  • Page 39 TROUBLESHOOTING - EVAPORATOR SYSTEM (BY TRAINED SERVICE PROVIDERS ONLY) CONDITION TROUBLESHOOTING Low Suction Pressure Check if sight glass is flashing or showing low charge. Check that expansion valve (TXV) isn’t restricted. Check element charge. Check that liquid line or filter isn’t restricted. Check that refrigeration lines and/or hoses are not kinked on either high or low sides.

  • Page 40: Preventive Maintenance - To Be Performed By Trained Service Providers Only

    PREVENTIVE MAINTENANCE - TO BE PERFORMED BY TRAINED SERVICE PROVIDERS ONLY WARNING! TURN OFF CASE BEFORE PERFORMING PREVENTIVE MAINTENANCE! PREVENTIVE FREQ. INSTRUCTIONS MAINTENANCE Case Exterior Quarterly Condensing Coil (Self-Contained Units Only):  Remove rear grille (by lifting up and off). ...

  • Page 41: Maintenance - Front Glass Alignment & Adjustment Via Clamshell Screws

    MAINTENANCE - FRONT GLASS ALIGNMENT & ADJUSTMENT VIA CLAMSHELL ALLEN SCREWS  1. Front Glass Alignment & Adjustment via Determine which side requires realignment.  While maintaining tight grip on glass, loosen the Clamshell Allen Screw Adjustment Allen screws nearest to misaligned side. Caution! Glass is extremely heavy! Two people ...

  • Page 42: Maintenance, Cont. - Front Glass Alignment Via Frame Support Rails

    MAINTENANCE, CONT. - FRONT GLASS ALIGNMENT VIA FRAME SUPPORT RAILS 2. Front Glass Alignment & Adjustment via Frame Support Rails Note: Illustrations  Proper alignment of the front glass is important to maintain a seal inside case. Shown May Not Depict ...

  • Page 43: Maintenance, Cont. - Front Glass Alignment Via Levelers

    MAINTENANCE, CONT. - FRONT GLASS ALIGNMENT VIA LEVELERS 3. Front Glass Alignment & Adjustment via Levelers 1. Pry Bar, Adjustable Wrench, Setting The Case With Levelers: and Various Leveler Styles Note: Below illustrations may not exactly reflect every feature or option of your particular case. ...
  • Page 44 MAINTENANCE, CONT. - FRONT GLASS ALIGNMENT VIA LEVELERS 4. Front Glass Alignment & Adjustment via Levelers, Continued Note: Below illustrations may not exactly reflect every feature or option of your particular case.  Proper alignment of the Curved Front Glass is vitally important to create and maintain a seal inside the Case.

  • Page 45: General Technical Information

    GENERAL TECHNICAL INFORMATION GENERAL TECHNICAL INFORMATION (PARTS LIST / SERIAL LABEL INFO / TEMPERATURE CONTROLLER INFORMATION / TECHNICAL SERVICE INFORMATION), ETC.
  • Page 46  For additional technical information and service, see the TECHNICAL SERVICE page in this manual for instructions on contacting Structural Concepts’ Technical Service Department.  See images below for samples of both refrigerated and non-refrigerated serial labels.
  • Page 47 Read And Save These Instructions - Page 1 of 3 Integrated Electronic Microprocessor Controller Programming The Instrument ▲ mute To Modify The Setpoint ▼ Press and hold the “SET” key for at least 1 second. 2. Use arrow keys ▲ ▼ on temperature ▲...
  • Page 48 Read And Save These Instructions - Page 2 of 3 Integrated Electronic Microprocessor Controller User Interface - Display Summary Table of Alarm and Signals: Display, Buzzer and Relay reset alarms w/manual reset / reset HACCP alarms / reset temp. monitoring...
  • Page 49 Read And Save These Instructions - Page 3 of 3 Integrated Electronic Microprocessor Controller Summary Table of Operating Parameters CODE PARAMETER UOM* TYPE MINIMUM MAXIMUM DEFAULT Select Celsius (°C) or Fahrenheit (°F) flag Calibration of probe 1 °C/°F Calibration of probe 2 °C/°F For Case Specific...

  • Page 50: Technical Service Contact Information & Warranty Information

    LIMITED WARRANTY All sales by Structural Concepts Corporation (SCC) are subject to the following limited warranty. “Goods” refers to the product or products being sold by SCC. Warranty Scope: Warranty is for equipment sold in the United States, Canada, Mexico and Puerto Rico. Equipment sold elsewhere may carry modified warranty.

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