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CAREFULLY FOLLOW THESE INSTRUCTIONS
HARMONY
USER
SCC P/N
55009
MANUAL
HARMONY™ 33" and 35" DEEP REFRIGERATED SERVICE DISPLAY MERCHANDISERS
(HMG2642R.4439)
[35" Deep Model]
HMG2653R
[33" Deep Model]
HMG7553R
[33" Deep Model]
HMG3953R
[33" Deep Model]
HMG5153R
[33" Deep Model]
Structural Concepts Corp. ∙ 888 E. Porter Rd ∙ Muskegon, MI 49441 Phone: 231.798.8888 Fax: 231.798.4960 ∙ www.structuralconcepts.com
REV D DATE: 11/02/2022
USER MANUALS\55009_HARMONY_USER MANUAL_HMG(L)(R)R_33-35 DEEP_REF_SVC_CASE
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Table of Contents
Troubleshooting
Related Manuals for Structural Concepts Harmony HMG2642R.4439
Summary of Contents for Structural Concepts Harmony HMG2642R.4439
- Page 1 [33” Deep Model] HMG7553R [33” Deep Model] HMG3953R [33” Deep Model] HMG5153R [33” Deep Model] Structural Concepts Corp. ∙ 888 E. Porter Rd ∙ Muskegon, MI 49441 Phone: 231.798.8888 Fax: 231.798.4960 ∙ www.structuralconcepts.com REV D DATE: 11/02/2022 USER MANUALS\55009_HARMONY_USER MANUAL_HMG(L)(R)R_33-35 DEEP_REF_SVC_CASE...
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Page 2: Table Of Contents
TABLE OF CONTENTS TABLE OF CONTENTS ………………………………………………………………………………………..OVERVIEW AND WARNINGS ………………………………………………………………………………… INSTALLATION: SKID REMOVAL, ADJUSTABLE FRONT TOE-KICK / REMOVABLE FRONT GRILLE...……...…………………………………………………………………………………….……. INSTALLATION, CONT’D: GLASS SHELVING / ELECTRICAL CONNECTIONS……………………….. INSTALLATION, CONT’D: REFRIGERATION LINES / STUB-UPS / DRAINS / WIRING DIAGRAMS / VENTILATION …………………………………………………………………………………….…….. - Page 3 If unsure if unit is Type 1 or 2, see tag next to serial label. See SERIAL LABEL LOCATION & INFORMATION • These Structural Concepts cases are designed to LISTED / TECH INFO & SERVICE section in this manual merchandise packaged products at 41 °F (5 °C) or less for sample serial labels).
- 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.
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Page 5: Installation: Skid Removal, Adjustable Front Toe-Kick / Removable Front
INSTALLATION: SKID REMOVAL, ADJUSTABLE FRONT TOE-KICK / REMOVABLE FRONT GRILLE 1. Remove Case From Skid (Levelers) 2. Remove Case From Skid (Casters) • Remove shipping brace that may be securing Remove shipping brackets that may be securing case to skid. casters to skid •... -
Page 6: Installation, Cont'd: Glass Shelving / Electrical Connections
Self-Contained Units • Plastic edging must NOT be removed from Field wiring connection / junction box location is at glass shelves. Contact Structural Concepts for rear-right of case. replacement edging (see TECHNICAL • See illustration at below-left. -
Page 7: Ventilation
INSTALLATION, CONT’D: REFRIG. LINES / STUB-UPS / DRAINS / WIRING DIAGRAMS / VENTILATION 6. Refrigeration Line Stub-Up Connections (Remote Units) • Remove front panel. • Refrigerant stub-up access opening is at the front on the left hand side of the base (see illustration at top-right). - Page 8 INSTALLATION: ELECTRICAL CONNECTIONS / CASTERS / ADJUSTING LEVELERS 11. Display Case Start-Up • Remote Units: Case is hard-wired. When power is supplied, case will power-up. • Self-Contained: Main Power switch on all units are located at case rear, lower right. •...
- Page 9 INSTALLATION: PROGRAMMABLE CONTROLLER 14. Programmable Controller (All Self- Contained Units and some Remote Units) • Check that compressor symbol light is on. • SCC-Supplied temperature controller compressor is identified with: • After case has run for a few minutes, check that temperature starts to drop. •...
- Page 10 INSTALLATION: FRONT GLASS ALIGNMENT & ADJUSTMENT 16. Front Glass Alignment & Adjustment via Levelers • Proper alignment of the front glass is important to create and maintain a seal inside the case. • Improper alignment can cause air leaks compromising the environment inside the case and create condensation. •...
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Page 11: Raising The Curved Glass / Opening Rear Door / Removing Rear Doors
RAISING THE CURVED GLASS / OPENING REAR DOOR / REMOVING REAR DOORS that opens with either left hand (standard) or right Raise the Curved Glass hand hinge (optional). • To raise the curved glass, secure lift handle • All other models have removable rear doors extrusion on the bottom edge of the door and (see illustration below). -
Page 12: Drain, Hose And Bracket Placement Illustrations
NOTE: BELOW ILLUSTRATIONS MAY NOT EXACTLY REFLECT EVERY DRAIN, HOSE AND BRACKET PLACEMENT ILLUSTRATIONS PARTICULAR CASE’S FEATURES 2. Hot Gas Evaporator System. Three Evaporator Systems Are Illustrated Below: • Hot gas serpentine coil is routed through a condensate Illustration #1: Hot Gas “CopeVap” Evaporator reservoir allowing water to be heated. -
Page 13: Cleaning Schedule - To Be Performed By Store Personnel
CLEANING SCHEDULE - TO BE PERFORMED BY STORE PERSONNEL AREA FREQ. INSTRUCTIONS Exterior 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 14 LED’s Barrel Light Shaped from its spring. Disconnect plug from socket. Insert • Contact Structural Concepts’ Technical Service Department for replacement parts (see Technical Service section of this manual for information). “B-Shaped” LED Plug & Light Fixture Replacement of LED light: •...
- Page 15 Programming Steps in the technical information section of this operating manual. • If service is required to the temperature control unit, call Structural Concepts Corporation. Maintenance should be performed by a certified technician. • The toll-free number is listed in the Technical Service section of this manual.
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Page 16: Troubleshooting - General Issues
TROUBLESHOOTING - GENERAL ISSUES (PAGE 1 of 3) CONDITION TROUBLESHOOTING Case Not Lining Up See Installation Section for instructions on properly aligning case (alongside other cases) and adjusting levelers. Water Is On The Caution! Water on flooring can cause much damage! Until cause is determined Floor (and repaired), following these procedures: •... - Page 17 TROUBLESHOOTING - GENERAL ISSUES (PAGE 2 of 3) CONDITION TROUBLESHOOTING Fan Emits Excessive Noise Check that the case is aligned, level and plumb. Check evaporator fan for cleanliness. Unplug fan motors; check motor shaft for excessive bearing wear. Check that fan motors are securely mounted in brackets. Verify that fan blades are securely mounted to fan motor.
- Page 18 TROUBLESHOOTING - GENERAL ISSUES (PAGE 3 of 3) CONDITION TROUBLESHOOTING Case Lights Are Not Check that Light switch is in the ON position (self-contained cases only). Working Remote case lights come on at start-up. Check for burned out bulbs. Turn lights off & replace. Clean dirt and dust from the bulbs to prevent flickering.
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Page 19: Troubleshooting - Condensing System
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 20: Troubleshooting - Evaporator System
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 21: Preventive Maintenance (To Be Performed By Trained Service Provider)
PREVENTIVE MAINTENANCE (TO BE PERFORMED BY TRAINED SERVICE PROVIDER) WARNING! TURN OFF CASE BEFORE PERFORMING PREVENTIVE MAINTENANCE! PREVENTIVE FREQUENCY 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. - Page 22 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 23 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 24 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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