READ AND SAVE THESE INSTRUCTIONS OPERATING MANUAL PN 99515 OPEN REFRIGERATED SERVICE REFRIGERATED SELF-SERVICE / NON-REFRIGERATED MERCHANDISER MERCHANDISER Model RB5C4848LR Model RB5C5948LR Model RB5C7748LR Model RB5C4848RR Model RB5C5948RR Model RB5C7748RR 48”L* x 56”L* x 77”L* x 48”L* x 56”L* x 77”L* x 38 1/8”D** x 47 1/4”H 38 1/8”D** x 47 1/4”H 38 1/8”D** x 47 1/4”H 38 1/8”D** x 47 1/4”H 38 1/8”D** x 47 1/4”H 38 1/8”D** x 47 1/4”H *Includes end panels.
TABLE OF CONTENTS OVERVIEW AND WARNINGS .. .…………………………..…………………..…….………….....….. 3 MERCHANDISER SET-UP ………….. …..….…………………...………...…..……………………… 4 START-UP AND OPERATION ...…………….. …..….…………………...………...…..……………… 5 MAINTENANCE FUNDAMENTALS ……………………………………………………………..……… 6 ELECTRICAL FUNDAMENTALS ……………. …..….…………………...………...…..……………… 8 REFRIGERATION FUNDAMENTALS …………………….………………………………………..…... 11 TECHNICAL DATA ………………………………………………………………………………….…… 12 ILLUSTRATED PARTS BREAKDOWN …………………….
OVERVIEW AND WARNINGS OVERVIEW • • • *The Structural Concepts Renaissance refrigerated service cases are designed to merchandise packaged bakery products at 5° Celsius / 41° Fahrenheit or less product temperatures. These cases should be installed and operated according to the following instructions to insure proper performance.
SET-UP Merchandiser Set-Up • Mobile Units (Cases with Casters) • For your safety, the equipment is furnished with a properly grounded cord connector. Do not attempt to defeat the grounded connector. • Plug cord into a certified electrical outlet with ground. • Stationary Units • • • • • • • • Self-contained refrigeration. Note: Servicing to be accomplished by refrigeration / electrical contractor.
START-UP AND OPERATION Raise the Curved Glass • • Front Curved Glass To raise the front curved glass, grab the lift handle extrusion on the bottom edge of the front curved glass and lift up. Gas cylinders hold the glass open for hands free access to the interior of the case. • • • Coil Fan Deck Pan Register Merchandiser Start-Up • Lift Handle Turn on the main power. Switch is on the control panel at the rear right hand side of base.
MAINTENANCE FUNDAMENTALS • Preventive Maintenance should be performed every 30 days unless conditions warrant a more frequent replacement cycle. Air Filter Air Filter • • Magnetic strips attached to the filter adhere the filter to the rear grill. The nylon mesh filter can be cleaned by rinsing thoroughly with water against the air flow direction. A mild detergent removes smoke/ grease stains. Rear Ledge Removal 1. Pull ledge back to stops. 2. Rotate down to the vertical position. 3.
MAINTENANCE FUNDAMENTALS Shelf Assembly Removal • • • • • • Raise the front curved glass. Remove and carefully set aside glass or wire shelves. For lighted shelving, unplug the light cord and detach from the rear shelf support. Slide light assembly back to unlock, then rotate up to separate from brackets. Slide rear support back to unlock and rotate up to separate from brackets. Remove brackets. Note, it may be necessary to remove the nylon shipping bracket retainer.
ELECTRICAL FUNDAMENTALS Warning, disconnect power before providing maintenance and service to unit. Ballast Access/Removal • • • • • Assembly or disassembly and servicing to be accomplished by licensed electrical contractor. Remove the rear grill by removing the six screws located on both sides of the grill. Remove the control panel by removing the three remaining screws located on the right side of the panel. Release quick disconnect from wire harness. Remove two nuts from both end mounting flanges.
ELECTRICAL FUNDAMENTALS Warning, disconnect power before providing maintenance and service to unit. Coil Fan Evaporator Fan Access • • • • Raise the front curved glass. Shelving can be removed to facilitate maintenance • Turn off the electrical power at main power switch if servicing fans. Remove deck pans to access coil fans. Remove mounting screws from fan assembly to separate fan from shroud. Deck Pan Lower Front Panel Front Condensate Fan Upper Front Panel Assy.
ELECTRICAL FUNDAMENTALS Warning, disconnect power before providing maintenance and service to unit. Bracket Screws Front Fan Access The front fans supply air flow to the top of the front panel louvers. This air flow is to eliminate any condensation formed on the face of the curved glass. • • • Fan/s are located behind the front panels. • Turn off the main electrical power at main power switch if servicing fans. Remove the lower front panel. • Remove screws from the lower flange at the base of the unit.
REFRIGERATION FUNDAMENTALS Temperature Settings • • Assembly or disassembly and servicing to be accomplished by licensed electrical / refrigeration contractor. The case temperature is set at the factory, as determined by the case size. Refrigeration: Access, Connections & Servicing • • • • • • • Assembly or disassembly and servicing to be accomplished by licensed refrigeration contractor. Service connections are located on the compressor / condenser assembly.
TECHNICAL DATA Electrical Ratings RB5C4848R RB5C5948R RB5C7748R Incoming Supply 120/1/60 120/1/60 120/1/60 Min. Circuit Amps 15 15.0 15.0 Amps 9.58 11.03 11.
TECHNICAL DATA Control Settings—RB5C4848R Mechanical Mechanical Settings Pressure Settings – S/Contained Differental High Side Cut-In Superheat Control Settings 60 260 8-10 Electronic Controller Set Point (Supply Air) Hysteresis Low Setup Stop High Setup Stop Anti-Short Cycle Delay Deep Freezing Time High Temperature Alarm Low Temperature Alarm Alarm Differential Alarm Time Delay Defrost Type Defrost End Mode Defrost Termination Temperature Defrost Interval SP HY LL HL CC Co 0 AH AL Ad At dF dE dt d
TECHNICAL DATA Control Settings—RB5C7748R Mechanical Mechanical Settings Pressure Settings – S/Contained Differental High Side Cut-In Superheat 60 260 8-10 Control Settings Electronic Controller Set Point (Supply Air) Hysteresis Low Setup Stop High Setup Stop Anti-Short Cycle Delay Deep Freezing Time High Temperature Alarm Low Temperature Alarm Alarm Differential Alarm Time Delay Defrost Type Defrost End Mode Defrost Termination Temperature Defrost Interval SP HY LL HL CC Co 0 AH AL Ad At dF dE dt d
ILLUSTRATED PARTS BREAKDOWN 1 2 3 22 4 21 5 20 19 6 18 17 7 16 8 15 9 14 13 10 12 11 R 888 Porter Rd. Muskegon, MI 49441 Phone: 231.798.8888 Fax: 231.798.4960 www.structuralconcepts.
ILLUSTRATED PARTS BREAKDOWN 23 24 35 34 33 25 26 27 28 32 31 30 29 R 888 Porter Rd. Muskegon, MI 49441 Phone: 231.798.8888 Fax: 231.798.4960 www.structuralconcepts.
PARTS LIST 1 Curved Glass 19 Bulb Seal 2 End Panel Full 20 Clam Shell Assembly 3 End Panel Mirror 21 Thermometer 4 Lift Handle 22 Glass or Wire Shelf 5 Shelf Light 23 Rear Door, Right 6 Lamp 24 Rear Door, Left 7 Deck Pan 25 Ledge Hinge 8 Bumper Insert 26 Evaporator Pan 9 Bumper End Cap 27 Ballasts 10 Lower Front Panel 28 Control Panel 12 Front Panel 29 Rocker Switch 14 End Panel Cutaway 30 Johnson Control 15 Fan Motor, Evaporator 31 Electrical Panel Plexi
TROUBLESHOOTING Product is Drying Out Check the relative humidity in the store. Water on the Floor Check that all of the hoses are connected. Check that the drain trap is free of debris. Is the evaporator pan positioned correctly under drain. Is the evaporator pan plugged in and heating properly. Check that the case is aligned, level and plumb. Excessive Fan Noise Check that nothing is obstructing the blade rotation. Check that the fan shroud is properly secured. Check that the utility power is on.
WIRING DIAGRAM RB5C (48/59/77) 48 LR & RR Units SELF CONTAINED R 888 Porter Rd. Muskegon, MI 49441 Phone: 231.798.8888 Fax: 231.798.4960 www.structuralconcepts.
WIRING DIAGRAM RB5C (48/59/77) 48 LR & RR Units REMOTE R 888 Porter Rd. Muskegon, MI 49441 Phone: 231.798.8888 Fax: 231.798.4960 www.structuralconcepts.
CLEANING SCHEDULE Cleaning Daily Weekly Monthly Clean Case Exterior The acrylic must be cleaned with a mild soap and water solution and a soft cloth, (Never use a household cleaner on acrylic). X X Clean outside surface of front curved glass with a household or commercial glass cleaner. Clean wood, laminate and painted surfaces with a mild soap and water solution and a soft cloth . X X Clean Case Interior X Remove rear grill. Clean under case with a vacuum.
JOHNSON CONTROL - MR3CCUHV A larm and Fault Codes These alarm and fault codes will flash on the display when the control detects the following faults: Table 1: Error Codes and Status Error Code System Status F1 Indicates an open or shorted temperature sensor F2 Indicates an open or shorted evaporator sensor A1 Indicates that the digital input was open for longer than the time delay (id) and digital input (iF) Option 1 is selected Alarm output is on.
JOHNSON CONTROL - MR3CCUHV Fan Defrost Compressor Status Status Status LED LED LED Manual Defrost Button Up Button Enter Button Down Button To lock and unlock the unit for programming Press the Enter, Up, and Down buttons in sequence and hold them all down until “- - -” is displayed. Hold for about 10 seconds until the current temperature is displayed. This toggles the keypad between locked and unlocked. To change the setpoint 1. Hold the Enter button down for 3 seconds.
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; Remedies; Limitations.
TECHNICAL SERVICE TECHNICAL SERVICE DEPARTMENT 1.800.433.9489 R 888 Porter Rd. Muskegon, MI 49441 Phone: 231.798.8888 Fax: 231.798.4960 www.structuralconcepts.