Service Manual
RBC 60 
REFRIGERATED BACK |
RBC 48 |
COUNTER |
|
MODEL
RBC 48
RBC 60
Please read this manual completely before attempting to install, operate or service this equipment
This manual is Copyright © 2011 Duke Manufacturing Co. All rights reserved. Reproduction without written permission is prohibited. Duke is a registered
trademark of the Duke Manufacturing Co..
Duke Manufacturing Co.
2305 N. Broadway
St. Louis, MO 63102 Phone: 314-231-1130 Toll Free: 1-800-735-3853 Fax: 314-231-5074 www.dukemfg.com
P/N 219211B
Service Manual for Refrigerated Back Counter RBC 48/60
IMPORTANT WARNING AND SAFETY INFORMATION
WARNING
READ THIS MANUAL THOROUGHLY BEFORE OPERATING, INSTALLING, OR PERFORMING MAINTENANCE ON THE EQUIPMENT.
WARNING
FAILURE TO FOLLOW INSTRUCTIONS IN THIS MANUAL CAN CAUSE PROPERTY DAMAGE, INJURY OR DEATH.
WARNING
DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS OR LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE.
WARNING
UNLESS ALL COVER AND ACCESS PANELS ARE IN PLACE AND PROPERLY SECURED, DO NOT OPERATE THIS EQUIPMENT.
CAUTION
Observe the following:
•Minimum clearances must be maintained from all walls and combustible materials.
•Keep the equipment area free and clear of combustible material.
•Adequate clearance for air openings.
•Unit exhausts air to the bottom and the rear.
•Do not set unit on a curb or seal to the wall.
•Do not block the slots in the front kickplate.
•Operate equipment only on the type of electricity indicated on the specification plate.
•Retain this manual for future reference.
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Service Manual for Refrigerated Back Counter RBC 48/60 |
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CONTENTS |
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INTROUCTION....................................................................................................................................... |
4 |
SPECIFICATIONS............................................................................................................................. |
4 |
INSTALLATION................................................................................................................................. |
4 |
Location....................................................................................................................................... |
4 |
Inside Unit................................................................................................................................... |
4 |
Outside Unit................................................................................................................................. |
4 |
Leveling....................................................................................................................................... |
4 |
Stabilizing.................................................................................................................................... |
4 |
Electrical Connection................................................................................................................... |
5 |
MAINTENANCE...................................................................................................................................... |
6 |
STAINLESS STEEL CARE AND CLEANING.................................................................................... |
6 |
PREVENTIVE MAINTENANCE........................................................................................................ |
6 |
Cleaning the Condenser Coil...................................................................................................... |
6 |
Gasket Maintenance................................................................................................................... |
7 |
Drain Maintenance - Base........................................................................................................... |
7 |
PARTS REPLACEMENT......................................................................................................................... |
8 |
THERMOSTAT REPLACEMENT...................................................................................................... |
8 |
EVAPORATOR FANS....................................................................................................................... |
8 |
REFRIGERATION SYSTEM UNIT REPLACEMENT........................................................................ |
9 |
DOOR REPLACEMENT AND ADJUSTMENT.................................................................................. |
9 |
DOOR GASKET REPLACEMENT.................................................................................................... |
9 |
MULLION AND CABINET HEATER REWIRING............................................................................... |
9 |
General........................................................................................................................................ |
9 |
Mullion Heater............................................................................................................................. |
9 |
RECHARGING REFRIGERANT SYSTEM.................................................................................... |
10 |
General...................................................................................................................................... |
10 |
Tools Required.......................................................................................................................... |
10 |
Charging Procedure.................................................................................................................. |
10 |
TROUBLESHOOTING........................................................................................................................... |
11 |
WIRING DIAGRAMS............................................................................................................................. |
12 |
CUSTOMER ASSISTANCE.................................................................................................................. |
15 |
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Service Manual for Refrigerated Back Counter RBC 48/60
INTROUCTION
SPECIFICATIONS
MODEL |
DESCRIPTION |
VOLTAGE |
AMPS |
PH. |
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RBC 48 |
48" Refrigerated |
120 VAC (60 Hz) |
10 |
|
1 |
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Back Counter |
220 VAC (50 Hz) |
5 |
|
1 |
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RBC 60 |
60" Refrigerated |
120 VAC (60 Hz) |
12 |
|
1 |
||
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Back Counter |
220 VAC (50 Hz) |
6 |
|
1 |
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MODEL |
DESCRIPTION |
HEIGHT |
WIDTH |
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LENGTH |
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RBC 48 |
48" Refrigerated |
40.00 In. |
29.50 In. |
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48.00 In. |
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Back Counter |
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RBC 60 |
60" Refrigerated |
40.00 In. |
29.50 In. |
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60.00 In. |
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Back Counter |
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INSTALLATION
Location
Units represented in this manual are intended for indooruseonly.Besurethelocationchosenhasa floor or counter strong enough to support the total weight of the units. Reinforce the floor or counter if necessary to provide for maximum loading. For the most efficient operation, be sure to provide good air circulation inside and out. These units should be located so that they can be moved for service. Major service to the refrigeration system is done from the end of the cabinet.
Theoutlinedimensionaldrawingsfortheunitsare shown below in Figures 1 and 2.
Figure 1
48" Refrigerated Back Counter (RBC 48)
Figure 2
60" Refrigerated Back Counter (RBC 60)
Inside Unit
Takecarenottoblockairflowtothefansandallow space along the front, back and sides.
Outside Unit
Besurethattheunithasaccesstoampleair;avoid hot corners and locations near stoves and ovens.
CAUTION: This unit exhausts air to the bottom and the back. Do not seal the unit to the wall or set unit on a curb. The ventilation slots in the kickplate must remain open.
Leveling
Be sure that the units are placed on a firm, flat surface/floor. Check for cracks in flooring or tile and avoid these areas if possible. If necessary place support pads, properly rated for the weight of the unit, to “bridge” uneven or cracked flooring. Level unit accordingly.
Stabilizing
Use the leg adjustments to insure that the unit is solid to the floor surface at all four contact points. Insurethattheunitdoesnot“rock”whenpressure is applied to the top corners.
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Service Manual for Refrigerated Back Counter RBC 48/60
Electrical Connection |
WARNING |
TheRBC48andRBC60areavailableasa120VAC, 60 Hz or as 220VAC, 50 Hz dependent on model. All electrical connections should be performed by acertifiedelectricianandshouldcomplywithlocal electrical codes for your municipality.
REFER TO THE AMPERAGE DATA LIST IN THE SPECIFICATIONS OR THE SERIAL TAG DATA AND YOUR LOCAL CODE OR THE NATIONAL ELECTRICAL CODE TO BE SURE UNIT IS CONNECTED TO THE PROPER POWER SOURCE. A PROTECTED CIRCUIT OF THE CORRECT VOLTAGE AND AMPERAGE MUST BE RUN FOR CONNECTION OF THE SUPPLY CORD OR PERMANENT CONNECTION TO THE UNIT. THE POWER MUST BE TURNED OFF AND DISCONNECTED WHENEVER PERFORMING MAINTENANCE OR REPAIR FUNCTIONS.
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