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Summary of Contents for Middleby 20036RSB
- Page 1 Installation, Operation & Maintenance Manual Refrigerated Base – Remote 20036RSB 20048RSB 20060RSB 20072RSB 1100 Old Honeycutt Road, Fuquay-Varina, NC 27526 919-552-9161 • 800-348-2558 • 919-552-9798 (fax) • 800-238-8444 (after hours) ODELS 20084RSB 20096RSB 20108RSB Printed in USA 12/02...
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Page 2: Table Of Contents
GENERAL INFORMATION This technical manual provides information for the installation, operation, maintenance, and inspection of this unit manufactured by Middleby. A complete parts breakdown is also provided. TECHNICAL SUPPORT For any questions regarding the installation, operation or maintenance of the unit, contact the factory at the following address: Technical Service Department Middleby... -
Page 3: Safety
SAFETY PRECAUTIONS NOTICE! Post the emergency telephone number of your gas supplier and instructions to follow if gas odor is detected. Model Drawers Number 18" 26" 20036RSB 36" 32" 26" 20048RSB 48" 32" 26" 20060RSB 60" 32"... -
Page 4: Operation
INTRODUCTION This model is a heavy-duty piece of equipment designed for continuous use. It incorporates automatic controls to regulate the cycling of the refrigeration system. CONTROLS AND INDICATORS NAME Thermostat START-UP PROCEDURE The refrigeration system is to be remotely located from the refrigerated cabinet. -
Page 5: Functional Description
PREPARATION FOR AN EXTENDED PERIOD OF INACTIVITY This unit is designed for continued use at automatically cycled intervals. However, in the event of an extended shut down, both the mechanical refrigeration system and the food storage compartment system must be serviced. Table 2.4 - Shut Down Procedures for an Extended Period Operation 1. -
Page 6: Scheduled Maintenance
INTRODUCTION To ensure the longest and most trouble free operation of the unit, a thorough maintenance schedule is required to be adhered to periodically. The maintenance system should be designed to maximize the efficient use of maintenance personnel, reduce down time, and provide the orderly acquisition of spare parts support. - Page 7 Annual Maintenance 1. Check all refrigerant lines for leaks or fatigue. Make certain that no exposed copper tubing is in contact with any other metal surface. If there is contact, install an insulating material between the two metal components. 2. With the breaker at the main panel “OFF”, inspect the system’s wiring.
- Page 8 Weekly Monthly Annually Three-year Frequency If supplied with a condensing unit Refrigerated Base-Remote © 2002 Table 4.1 - Preventative Maintenance Action Index a. Inspect condenser coil hampered and that it is clear of dust and debris. a. Inspect and clear drain line. b.
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Page 9: Troubleshooting
INTRODUCTION This chapter provides a systematic check of components in determining a possible cause of failure in the event of various symptoms. It is necessary that the individual performing the troubleshooting tasks be familiar with the function of the equipment as described in the Functional Description section. Table 5.1 - Mechanical and Electrical Troubleshooting Guide SYMPTOM Unit does not operate... -
Page 10: Corrective Maintenance
INTRODUCTION This chapter focuses on the instruction needed in the removal and replacement of certain components. It also addresses the repair of components not listed under the scheduled maintenance index covered in the Scheduled Maintenance section. The level of skills required to perform the service or repair will vary. - Page 11 If the system overcharge is sufficient enough to immerse the major parts of a hermetic compressor in liquid refrigerant, a situation has been created that when followed by unusual but possible circumstances, can lead to compressor housing seam separation or rupture. The sequence of circumstances that can lead to compressor housing seam separation or rupture occurs in the following manner:...
- Page 12 Replacement of the Condensing Fan 1. Disconnect all electrical power to the unit. 2. Remove the condensing unit from the condensing unit compartment. 3. Remove the protective wire shroud from around the motor. 4. Using an allen wrench, loosen the set screw on the blade hub and slide the blade from the shaft.
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Page 13: Parts List
Table 7.1 - Parts List - Special Tools List Description Refrigerant service gauges with hoses Service valve wrench Refrigerant Table 7.2 - Parts List Parts List - Cabinet 20036RSB Mfg# 26" DSB26C 6449 P73-2000 7319000201 82" 3/4" large hex nut... - Page 14 Item Middleby# Drawer Cartridge Gasket GSB64MV Recessed Pulls HXHL08 Drawer Rollers HXDW02 Heater Wire L1HR90 Leg nut CNNP01MS Item Middleby# Evaporator Coil Assy. RWE430 Evaporator Motor RWEM03 Evaporator Fan RWE5101B Expansion Valve RWEV39 Thermostat RWTT08 Refrigerated Base-Remote © 2002 Parts List - Cabinet 20048RSB Mfg# 31"...
- Page 15 Item Middleby# Drawer Cartridge 18" Drawer Cartridge 26" Gasket GSB60MV Gasket GSB62MV Recessed Pulls HXHL08 Drawer Rollers HXDW02 Heater Wire L1HR64 Heater Wire L1HR82 Leg nut CNNP01MS Item Middleby# Evaporator Coil Assy. RWE430 Evaporator Motor RWEM03 Evaporator Fan RWE5101B Expansion Valve RWEV39 Thermostat RWTT08...
- Page 16 Item Middleby# Drawer Cartridge Drawer Cartridge Gasket GSB62MV Gasket GSB64MV Recessed Pulls HXHL08 Drawer Rollers HXDW02 Heater Wire L1HR64 Heater Wire L1HR90 Leg nut CNNP01MS Item Middleby# Evaporator Coil Assy. RWE430 Evaporator Motor RWEM03 Evaporator Fan RWE5101B Expansion Valve RWEV39 Thermostat RWTT08 Refrigerated Base-Remote ©...
- Page 17 Item Middleby# Drawer Cartridge 18" Drawer Cartridge 26" Gasket GSB60MV Gasket GSB62MV Recessed Pulls HXHL08 Drawer Rollers HXDW02 Heater Wire L1HR64 Heater Wire L1HR82 Leg nut CNNP01MS Item Middleby# Evaporator Coil Assy. RWE430 Evaporator Motor RWEM03 Evaporator Fan RWE5101B Expansion Valve RWEV39 Thermostat RWTT08...
- Page 18 Item Middleby# Drawer Cartridge Gasket GSB62MV Recessed Pulls HXHL08 Drawer Rollers HXDW02 Heater Wire L1HR82 Leg nut CNNP01MS Item Middleby# Evaporator Coil Assy. RWE430 Evaporator Motor RWEM03 Evaporator Fan RWE5101B Expansion Valve RWEV39 Thermostat RWTT08 Refrigerated Base-Remote © 2002 Parts List - Cabinet 20096RSB Mfg# 26"...
- Page 19 Item Middleby# Drawer Cartridge 26" Drawer Cartridge 31" Gasket GSB62MV Gasket GSB64MV Recessed Pulls HXHL08 Drawer Rollers HXDW02 Heater Wire L1HR64 Heater Wire L1HR90 Leg nut CNNP01MS Item Middleby# Evaporator Coil Assy. RWE430 Evaporator Motor RWEM03 Evaporator Fan RWE5101B Expansion Valve RWEV39 Thermostat RWTT08...
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Page 20: Installation
UNPACKING Note: Before unpacking the unit, note any crate markings and check for damage to crating. Notify the carrier if there should appear to be damage to the unit. The unit is shipped directly from the manufacturing factory securely fastened to a single pallet then protected by an external wrapping. -
Page 21: Electrical And Mechanical
INTRODUCTION This section of the manual contains drawings and schematics of the electrical and mechanical piping systems. ELECTRICAL ABBREVIATIONS AND TERMINOLOGY • RLA - Rated Load Amperage Rated load amps is a measure of the current drawn by a compressor when operated at compressor manufacturer rating conditions at nominal voltage. - Page 22 ELECTRICAL AND MECHANICAL Figure 9.1 - Electrical Schematic Refrigerated Base-Remote © 2002 Printed in USA 12/02...
- Page 23 ELECTRICAL AND MECHANICAL Figure 9.2 - Refrigeration Piping Schematic Refrigerated Base-Remote © 2002 Printed in USA 12/02...
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Page 24: Limited Warranty
INTRODUCTION Middleby warrants their cabinets and units to consumers only against defects in material or workmanship under normal use and service for a period of one year from the date of shipment. Middleby will repair or replace at their option, any part, assembly, or portion thereof, which, by their examination, is deemed to be defective.
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