Structural Concepts HARMONY HMO7536R User Manual
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Structural Concepts HARMONY HMO7536R User Manual

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CAREFULLY FOLLOW THESE INSTRUCTIONS
HARMONY
USER
SCC P/N
54190
MANUAL
SELF-SERVICE REFRIGERATED BAKERY MERCHANDISER
HMO7536R
HMO7536R (Shown With
Optional Security Grid)
Models To Which This Manual Is Applicable*
HMO3936R
HMO3936R and HMO7536R
* Note: This Manual May Also Be Applicable To Models Not Listed Herein.
Structural Concepts Corp. ∙ 888 E. Porter Rd ∙ Muskegon, MI 49441 Phone: 231.798.8888 Fax: 231.798.4960 ∙ www.structuralconcepts.com
USER MANUAL/54190_HARMONY_USER MANUAL_HMO(L)36R_REF_SELF-SVC_CASE
REV R DATE: 11/01/2022

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Summary of Contents for Structural Concepts HARMONY HMO7536R

  • Page 1 HMO3936R and HMO7536R * Note: This Manual May Also Be Applicable To Models Not Listed Herein. Structural Concepts Corp. ∙ 888 E. Porter Rd ∙ Muskegon, MI 49441 Phone: 231.798.8888 Fax: 231.798.4960 ∙ www.structuralconcepts.com USER MANUAL/54190_HARMONY_USER MANUAL_HMO(L)36R_REF_SELF-SVC_CASE REV R DATE: 11/01/2022...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS OVERVIEW AND WARNINGS ……..………………..…….………………………..…………………..….. CASE REMOVAL FROM SKID (LEVELERS OR CASTERS) ……………………………………………... INSTALLATION …………………………………………………………………..……...………………..……. 6-10 POSITIONING, ALIGNING, LEVELING UNIT, REMOVING FRONT GRILLE …..………………………. START-UP AND OPERATION ……...….…………...…...…..………………………...………….……..…… MAINTENANCE FUNDAMENTALS - STEP ASSEMBLY / LED LIGHT FIXTURE ………………..…….. MAINTENANCE FUNDAMENTALS - REAR SLIDING GLASS DOORS / MAGNETIC CONDENSER COIL FILTER……….…………………………………………………………………………………….

  • Page 3: Overview And Warnings

    LISTED / TECH INFO & SERVICE section in this manual See SERIAL LABEL LOCATION & INFORMATION • • These Structural Concepts cases are designed to These Structural Concepts cases are designed to for sample serial labels). LISTED / TECH INFO & SERVICE section in this manual merchandise packaged products at 41 °F (5 °C) or less...
  • Page 4 CONDITION TYPE, COMPLIANCE and WARNINGS. • This disclosure statement has been reviewed and WIRING DIAGRAM approved by Structural Concepts and Structural Concepts attests, under penalty of perjury, that these statements • Each case has its own wiring diagram folded and in its are true and accurate.

  • Page 5: Case Removal From Skid (Levelers Or Casters)

    CASE REMOVAL FROM SKID (LEVELERS OR CASTERS) 1. Removing Case Shipping Brackets That Are Attached To Skid • Remove screws holding Case Shipping Brackets to skid. • Remove Case Shipping Brackets from Skid. • See illustrations below. Note: Shipping Brackets will vary in size, shape, material and location depending upon case type and model.

  • Page 6: Installation

    INSTALLATION Installation Note: Units shown may not depict an exact representation of your particular unit being installed. 1. Position and Level Units Position Units. Align multiple units carefully in areas A, B, and C. 2. Bolting Units Together Bolt units together at holes indicated at right. Note: View at right has shelving removed for illustrative purposes only.
  • Page 7 INSTALLATION, CONTINUED 3. Electrical Connections (Remote Cases) Field wiring connection / electrical access location is at customer-left side of case. • Single phase leads are provided. • Connection 4. Connections/Controller/Main Power Switch (Self-Contained Units) Controller/Ballast box is at customer rear. •...
  • Page 8 INSTALLATION, CONTINUED 5. Electrical Connections (Certain Remote Cases) Field wiring connection / electrical access location is at Case Rear customer-left side of case. • Single phase leads are provided. 6. Evaporator Fan Area • Illustration below shows front of case with decking removed.
  • Page 9 INSTALLATION, CONTINUED 7. Honeycomb Air Diffuser • Remove the two most forward screws; panel must hang down supported by the rear screws. • Honeycomb is located in discharge air duct. Do not force panel lower. • From inside lower refrigerated area, locate the •...
  • Page 10 INSTALLATION, CONTINUED 8. Risers (aka “Step Assemblies”) • Risers allow product to be more prominently displayed. • Risers are to rest on decks and be placed as far back as possible in case (as shown below). • See CLEANING SCHEDULE (TO BE PERFORMED BY STORE PERSONNEL) in manual for cleaning instructions.

  • Page 11: Positioning, Aligning, Leveling Unit, Removing Front Grille

    POSITIONING, ALIGNING, LEVELING UNIT, REMOVING FRONT GRILLE 1. Position & Align Case Alongside Other Cases • Before adjusting levelers, make certain that the Adjustable case is in proper position and, if required, Wrench aligned with adjoining case. • This may require the repositioning of the case you are installing or the already positioned case.

  • Page 12: Start-Up And Operation

    START-UP AND OPERATION Merchandiser Start-Up • Remote Units: Case is hard-wired. When power is supplied, case will power-up. • Self-Contained: Main power switch and temperature controller is located at case rear, lower right. See illustrations below-left and right. • Self-Contained: Depending upon model, switch cover may be provided to protect controller and switch.

  • Page 13: Maintenance Fundamentals - Step Assembly / Led Light Fixture

    LED lights rarely require change-out. >> Note: If mounting clips are riveted to shelf (or • Contact Structural Concepts’ Technical Service header), attach by placing LED in base of clip and Department for replacement LED lights. then snapping into clip at FLANGE SIDE.

  • Page 14: Coil Filter

    MAINTENANCE FUNDAMENTALS, CONT’D - REAR SLIDING GLASS DOORS / MAGNETIC FILTER 3. Rear Sliding Doors (Ambient Upper) • Return rear sliding doors to upper glass enclosure in reverse order they were removed. • Note: Illustration shown reflects model • See next page for upper glass enclosure with HMO4836R.5936 only.

  • Page 15: Maintenance Fundamentals - Upper Section With Acrylic Bins

    MAINTENANCE FUNDAMENTALS, CONT’D - UPPER SECTION WITH ACRYLIC BINS 5. Upper Section With Acrylic Bins 6. Removable Acrylic Bin Door Assembly • Acrylic bin door assembly is entirely removable • Note: Illustration shown reflects model from upper section of case. HMO5136R.7121 (and possibly other models).

  • Page 16: Maintenance Fundamentals - Honeycomb Air Diffuser

    MAINTENANCE FUNDAMENTALS, CONT’D - HONEYCOMB AIR DIFFUSER 7. Honeycomb Air Diffuser Removable Preventive maintenance should be performed Honeycomb every 30 days unless conditions warrant a more frequent replacement cycle. Honeycomb Air Diffuser Removal A. Wedge non-metallic device of suitable strength (such as a ballpoint pen) between honeycomb and end panel.

  • Page 17: Standard Night Air Curtain Location For Model Hmo5136R.4716

    STANDARD NIGHT AIR CURTAIN LOCATION FOR MODEL HMO5136R.4716 NOTE: BELOW ILLUSTRATION APPLIES TO MODEL HMO5136R.4716 ONLY. View of Night Air Curtain (Topside / Attached) Night Air Curtain Retraction Handle Night Air Curtain Retraction Magnets Attachment Points (Along Plate Outside Acrylic Air Deflector) Acrylic Air Deflector...

  • Page 18: Optional Night Air Curtain Operating Instructions

    OPTIONAL NIGHT AIR CURTAIN INSTALLATION & OPERATING INSTRUCTIONS Night Air Curtain Installation & Operating Instructions NOTE: THE 1. Use caution when handling Night Air Curtain. BELOW 2. Display case may come with Night Curtain already attached. If not, a retrofit kit will be provided.

  • Page 19: Security Grid Operating Instructions (Optional)

    SECURITY GRID OPERATING INSTRUCTIONS (OPTIONAL) - PAGE #1 of 2 Initial Positioning and Installation of Security Grid NOTE: 1. After hoisting the Security Grid directly over Air Return Cover, drop Security Grid ILLUSTRATIONS MAY NOT Positioning Rods into the Air Return Cover Holes (see enlarged view below). EXACTLY 2.
  • Page 20 SECURITY GRID OPERATING INSTRUCTIONS (OPTIONAL) - PAGE #2 of 2 Securing Security Grid Into Place and Locking NOTE: 1. After leaning the Security Grid back against the two Security Brackets, slide the Padlocks ILLUSTRATIONS through the Security Grid and the Security Brackets. MAY NOT 2.

  • Page 21: Cleaning Schedule (To Be Performed By Store Personnel)

    CLEANING SCHEDULE (PERFORMED BY STORE PERSONNEL) D = Daily / W = Weekly / M = Monthly Area Task Exterior Side glass, front curved glass and sliding rear doors: Clean with household or commercial glass cleaner and soft cloth. Wood, laminate and painted surfaces: •...

  • Page 22: Preventive Maintenance (To Be Performed By Trained Service Provider)

    PREVENTIVE MAINTENANCE (TO BE PERFORMED BY TRAINED SERVICE PROVIDER) PREVENTIVE FREQ. INSTRUCTIONS MAINTENANCE Case Exterior Monthly Condensing Coil: • Remove rear grille (by removing 4 screws). • Use air pressure or industrial strength vacuum; clean dust and dirt that may collect on the Condenser Coil. See illustration below. •...
  • Page 23 Replace lower panel via hook/magnet method (no screws required). • Check if wicking material is dirty, worn, tattered or disintegrating. If so, it must be replaced with new. Contact Structural Concepts for replacement wicking material (toll-free number is listed on last page of this operating manual).

  • Page 24: Troubleshooting: General Overview - Page 1 Of 2

    TROUBLESHOOTING: GENERAL OVERVIEW - PAGE 1 of 2 Product is Drying Out TSP*: Check the relative humidity in the store. Doors/Glass Won’t Shut TSP*: Confirm that the case is aligned, level and plumb. Properly Case Not Properly Lining TSP*: See Installation section of Manual for instructions on properly aligning case and adjusting levelers (alongside other cases).
  • Page 25 Contact Structural Concepts Corporation for replacement wicking material (toll-free number is listed on final page of operating manual). If unable to stop water from draining on floor, Contact Structural Concepts Technical Service. See telephone number on final page of operating manual.

  • Page 26: Troubleshooting: Condensing System (By Trained Service Providers Only)

    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 27: Troubleshooting: Evaporator System (By Trained Service Providers Only)

    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 28: Troubleshooting: Condenser Package Overview

    TROUBLESHOOTING: CONDENSER PACKAGE OVERVIEW Condenser Package / Compressor Component Locations NOTE: THE BELOW • Illustration below shows refrigeration package, compressor, ILLUSTRATION MAY condenser pan, fans, blades, etc. NOT EXACTLY REFLECT • See pages that follow for troubleshooting instructions. YOUR PARTICULAR •...

  • Page 29: Troubleshooting: Compressor Not On / No Display On Controller

    TROUBLESHOOTING: COMPRESSOR NOT ON / NO DISPLAY ON CONTROLLER Troubleshooting Temperature Controller Troubleshooting Issue: Compressor will not turn on 1. Confirm that main power switch is ON (at case rear). See photo at right. 2. Check for proper voltage. Make certain wall outlet is energized and providing proper voltage (as specified on serial label).

  • Page 30: Troubleshooting: Lights Not Operating

    Contact store management to have trained service provider perform troubleshooting. If case light still do not come on, it may need to be replaced. • Contact Structural Concepts’ Technical Service Department for replacement light (see TECHNICAL SERVICE section of this manual for contact information). •...

  • Page 31: Serial Label Information & Location

    TECHNICAL SERVICE page in this manual for • Serial labels are affixed at a wide range of places instructions on contacting Structural Concepts’ (on the header, near thermostat, at case rear, Technical Service Department. behind panels/toe-kicks, on electrical boxes, etc.).

  • Page 32: Programmable Controller Information

    PROGRAMMABLE CONTROLLER (SELECT, CLICK ON OR SCAN QR CODE FOR INFORMATION) Determine Which Programmable Controller Is On Your Case (Controllers That Are Commonly Used By Structural Concepts Are Shown Below). Your Particular Programmable Controller May Differ. Carel® ir33 Platform Carel® PJEZ Platform Dixell®...

  • Page 33: Technical Service Contact Information / Warranty Information

    STRUCTURAL CONCEPTS TECHNICAL SERVICE CONTACT INFORMATION & LIMITED WARRANTY YOU MUST HAVE THE FOLLOWING INFO AVAILABLE TECH SERVICE/WARRANTY CONTACT INFO: BEFORE CONTACTING STRUCTURAL CONCEPTS: 1 (800) 433-9490 / EXTENSION 1 SERIAL NO. / MODEL NO. / STORE NO. / STORE...

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