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Harmony® User Manual
P A R T N U M B E R : 2 1 - 3 4 9 8 9
Please Note
Your specific model number is located on the
serial label (usually at the case rear). However,
label locations may vary depending on the
model – see page 20 for more details.
Models shown on this cover sheet do not
represent all models covered by this manual.
Support:
structuralconcepts.com/support
Tech Service/Warranty:
1 (800) 433-9490, EXT. 1
Hours:
Monday – Friday, 8am to 8pm EST (Closed holidays)
21-34989 HARMONY REFRIGERATED CASES MANUAL-EN
Models
HMBC2
HMO6353R
HMBC3
HMO7553R
HMBC4
HMO3936R
HMBC5
HMO5136R
HMBC6
HMO7536R
HMG3953R
HMG5153R
HMG6353R
HMO2653R
HMO3953R
HMO5153R
Before contacting, you must have the following:
Serial no., model no., store no., store address, details (photos, leak locations,
damage, store's ambient conditions, etc.)
HMG3953R
REV B DATE: 10/18/24
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Table of Contents
Related Manuals for Structural Concepts Harmony HMBC6
Summarization of Contents
Overview, Compliance, and Warnings
Overview and Environmental Conditions
Details case design, operating temperatures, climate class, and NSF/ANSI Type I/II environmental requirements.
Compliance and Safety Warnings
Covers code compliance, electrical/plumbing codes, and critical warnings for injury prevention.
Precautions and Technical Information
Operational Precautions
Includes lamp replacement, installation, power cord maintenance, temperature monitoring, and condensate pan checks.
Wiring Diagram and Disclosure
Notes on wiring diagram location and a refrigerant disclosure statement for California compliance.
Refrigerant Warnings and Safety
Refrigerant Hazards and Precautions
Covers dangers of high pressure, fire risk from flammable refrigerants, and proper servicing and storage.
Refrigerant Recovery and Disposal
Procedures for safe recovery, recycling, and disposal according to regulations, especially for ozone-depleting chemicals.
Installation: Case Removal From Skid
Panel Removal and Pallet Disconnection
Instructions for removing front/rear panels and disconnecting shipping brackets from the pallet.
Leveler Adjustment and Case Securing
Adjusting levelers for pallet removal and securing the case in its final position.
Installation: Start Up Procedures
Plugging In and Initial Operation
Steps for plugging in the case, turning on the power, and verifying fan and light operation.
Start-Up Checks and Airflow
Includes checking for proper airflow, potential temperature pull-down time, and maintaining clearance.
Placement of Case Guidelines
Optimizing Case Placement
Recommendations for positioning the case away from heat sources, airflow disruptions, and maintaining clearances.
Product Placement
Merchandising and Airflow
Guidelines for placing products on decking, ensuring proper airflow and clearance for temperature maintenance.
Shelf and Deck Load Limits
Load Capacity Specifications
Table detailing maximum load limits for various shelf depths and deck pans for uniformly distributed loads.
Front Panel Removal
Accessing Refrigeration Components
Steps to remove front panels and slide out the condenser package for servicing refrigeration components.
Lower Rear Panel Removal
Accessing Refrigeration Components
Steps to remove the lower rear panel and slide out the condenser package for servicing refrigeration components.
Cleaning Schedule
Daily, Weekly, and Quarterly Tasks
Detailed cleaning instructions for glass, panels, decks, acrylic, stainless steel, and coil filters.
Preventive Maintenance: Safety and Checks
General Safety and Refrigerant Checks
Safety during maintenance, checking refrigerating equipment, and ensuring proper refrigerant charge and ventilation.
Electrical Device Safety Checks
Performing initial safety checks on electrical components, including capacitor discharge and earth bonding.
Preventive Maintenance: Component Repair
Sealed and Intrinsically Safe Components
Guidance on repairing sealed and intrinsically safe components, including part specifications and leak detection.
Preventive Maintenance: Refrigerant Handling
Refrigerant Removal and Charging
Procedures for safely removing, evacuating, and charging refrigerant into the system.
Preventive Maintenance: Decommissioning
Decommissioning Procedures
Steps for safely decommissioning the unit, isolating electrically, and recovering refrigerant.
Preventive Maintenance: Refrigerant Recovery
Refrigerant Recovery Process Details
Ensuring correct recovery cylinders, equipment, and hoses are used for safe refrigerant recovery.
Serial Label and Technical Information
Serial Label Location and Content
Details on where serial labels are affixed and the type of information they contain (model, rating, standards).
Technical Service Contact Information
Information on obtaining additional technical support and service from Structural Concepts.
Programmable Controller Information
Controller Identification and Access
Identifying the programmable controller on the case and instructions on how to access its information via QR code.
Technical Service and Limited Warranty
Contact Information and Hours
Provides contact details for technical service, warranty claims, and operating hours.
Limited Warranty Access
Instructions on how to access the limited warranty information for the case, typically via a QR code.
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