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READ AND SAVE THESE INSTRUCTIONS
OPERATING
PN 99515
MANUAL
S OE PR EV NI C RE E F RR EIF GR EIR GA ET RE AD T E SD E L / F N -O SE NR -R VE IC FE R IM GE ER RC AH TE AD N D M IS EE RR C HANDISER
Model RB5C4848LR 48”L* x 38 1/8”D** x 47 1/4”H
Model RB5C5948LR 56”L* x 38 1/8”D** x 47 1/4”H
Model RB5C7748LR 77”L* x 38 1/8”D** x 47 1/4”H
Model RB5C4848RR 48”L* x 38 1/8”D** x 47 1/4”H
Model RB5C5948RR 56”L* x 38 1/8”D** x 47 1/4”H
Model RB5C7748RR 77”L* x 38 1/8”D** x 47
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TABLE OF CONTENTS 3 OVERVIEW AND WARNINGS .. .…………………………..…………………..…….………….....….. MERCHANDISER SET-UP ………….. …..….…………………...………...…..……………………… 4 5 START-UP AND OPERATION ...…………….. …..….…………………...………...…..……………… 6 MAINTENANCE FUNDAMENTALS ……………………………………………………………..……… 8 ELECTRICAL FUNDAMENTALS ……………. …..….…………………...………...…..……………… 11 REFRIGERATION FUNDAMENTALS …………………….………………………………………..…... 12 TECHNICAL DATA ………………………………………………………………………………….…… 15 ILLUST
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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. • This unit is designed for the display of products in ambient store conditions where temperatures and humidity are maintained at a maximum of 24° C / 75° F
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SET-UP Merchandiser Set-Up • Mobile Units (Cases with Casters) • For your safety, the equipment is fur- nished 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. Rear Grill • Removing the rear grill will expose ac- cess to the a 3” service opening
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START-UP AND OPERATION Raise the Curved Glass Front Curved Glass Lift Handle • To raise the front curved glass, grab the lift Coil Fan handle extrusion on the bottom edge of the front curved glass and lift up. • Gas cylinders hold the glass open for hands Deck Pan free access to the interior of the case. Register Merchandiser Start-Up • Turn on the main power. Switch is on the control panel at the rear right hand side of base. Supply power will start evaporator coil fan(
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MAINTENANCE FUNDAMENTALS • Preventive Maintenance should be per- formed every 30 days unless conditions warrant a more frequent replacement cy- cle. 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 rins- ing 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 vertica
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MAINTENANCE FUNDAMENTALS Shelf Assembly Removal • Raise the front curved glass. Cap • Remove and carefully set aside glass or wire shelves. Plug • For lighted shelving, unplug the light cord and detach from the rear shelf support. • Slide light assembly back to unlock, then ro- tate up to separate from brackets. • Slide rear support back to unlock and rotate Receptacle up to separate from brackets. • Remove brackets. Note, it may be neces- sary to remove the nylon shipping bra
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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. Rear Grill • Release quick disconnect from wire har- ness. • Remove
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ELECTRICAL FUNDAMENTALS Warning, disconnect power before provid- ing maintenance and service to unit. Coil Fan Evaporator Fan Access • Raise the front curved glass. Deck Pan • Shelving can be removed to facilitate main- tenance • Turn off the electrical power at main power switch if servicing fans. • Remove deck pans to access coil fans. • Remove mounting screws from fan assem- bly to separate fan from shroud. Front Condensate Fan Lower Front Panel Upper Front Panel Ass
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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 fl
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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 Condenser Frame compressor / condenser assembly. •
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TECHNICAL DATA Electrical Ratings RB5C4848R RB5C5948R RB5C7748R Self-Contained Incoming Supply 120/1/60 120/1/60 120/1/60 Min. Circuit Amps 15 15.0 15.0 Amps 9.58 11.03 11.03 Watts 1150 1324 1324 Hook-Up Leads or Cord w/ Leads or Cord w/ Leads or Cord w/ Nema 5-15 P Nema 5-15 P Nema 5-15 P Electrical Controller Electrical Control- Electrical Control- Electrical Controller ler ler Lighting RB5C4848R RB5C5948R RB5C7748R Lamp Quantity 8 8 8 Lamp Type F15 T8 F17 T8 F
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TECHNICAL DATA Control Settings—RB5C4848R Mechanical Mechanical Settings Pressure Settings – S/Contained Differental 60 High Side Cut-In 260 Superheat 8-10 Control Settings Electronic Controller Set Point (Supply Air) SP 22 Maximum Defrost Duration dd 45 Hysteresis HY 9 Dripping Time dC 0 Low Setup Stop LL 20 First Defrost After Power On dU OF High Setup Stop HL 50 Display During Defrost dP 0 Anti-Short Cycle Delay CC 3 Display Delay After Defrost dr 20 Deep Freezing
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TECHNICAL DATA Control Settings—RB5C7748R Mechanical Mechanical Settings Pressure Settings – S/Contained Differental 60 High Side Cut-In 260 Superheat 8-10 Control Settings Electronic Controller Set Point (Supply Air) SP 27 Maximum Defrost Duration dd 45 Hysteresis HY 4 Dripping Time dC 5 Low Setup Stop LL 20 First Defrost After Power On dU OF High Setup Stop HL 50 Display During Defrost dP 0 Anti-Short Cycle Delay CC 3 Display Delay After Defrost dr 20 Deep Freezing
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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.com 15
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ILLUSTRATED PARTS BREAKDOWN 23 24 35 34 33 25 26 27 28 32 31 29 30 R 888 Porter Rd. Muskegon, MI 49441 Phone: 231.798.8888 Fax: 231.798.4960 www.structuralconcepts.com 16
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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 Cover. 16 Insulated End G
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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. Excessive Fan Noise Check that the case is aligned, level and plumb. Check that nothing is obstructing the blade rotation. Check that the fan shroud is properly secured. System is not O
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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.com 19
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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.com 20
