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Middleby 20036SB manual

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Table of contents for the manual

  • Page 1

    Inst allation, Operation & Maintenance Manual Refrigerated Base – Self-Contained 1 100 Old Honeycutt Road, Fuquay-V arina, NC 27526 919-552-9161 • 800-348-2558 • 919-552-9798 (fax) • 800-238-8444 (after hours) Printed in USA 12/02 M ODELS 20036SB 20084SB 20048SB 20096SB 20060SB 20108SB 20072SB 20120SB[...]

  • Page 2

    2 Printed in USA 12/02 Refrigerated Base-Self-Contained © 2002 INTRODUCTION GENERAL INFORMA TION 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,[...]

  • Page 3

    Self-Contained, Refrigerated Bases SAFETY 3 Printed in USA 12/02 Refrigerated Base-Self-Contained © 2002 DANGER EXPLOSION HAZARD If gas odor is detected, shut down equipment at the main shutoff valve. Immediately call the emergency phone number of your gas supplier . SPECIFICA TIONS SAFETY NOTICES DANGER This symbol warns of immediate hazards whic[...]

  • Page 4

    4 Printed in USA 12/02 Refrigerated Base-Self-Contained © 2002 OPERA TION 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 INDICA TORS T able 2.1 - Controls and Indicators NAME TYPE FUNCTION Low Pressure Switc[...]

  • Page 5

    OPERA TION 5 Printed in USA 12/02 Refrigerated Base-Self-Contained © 2002 ST ART -UP PROCEDURE The refrigeration system is completely factory assembled, pre-charged and ready for operation. T o energize the system it is only necessary to find the power supply cord and connect it to a proper electrical source. Once the supply cord SHUT -DOWN PROCED[...]

  • Page 6

    6 Printed in USA 12/02 Refrigerated Base-Self-Contained © 2002 OPERA TION PREP ARA TION 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. T[...]

  • Page 7

    FUNCTIONAL DESCRIPTION 7 Printed in USA 12/02 Refrigerated Base-Self-Contained © 2002 SYSTEM DESCRIPTION This unit is a self contained, automatically controlled, continuous duty , perishable food storage system. It is designed with the intent and purpose of storing food items. The operating temperature is automatically monitored by controls that a[...]

  • Page 8

    8 Printed in USA 12/02 Refrigerated Base-Self-Contained © 2002 SCHEDULED MAINTENANCE Monthly Inspection 1. Check the evaporator drain line at both the inlet and outlet ends to make certain that there are no obstructions. It is not recommended to use any chemicals in clearing a clogged drain. The preferred method of unstopping an obstructed drain i[...]

  • Page 9

    SCHEDULED MAINTENANCE 9 Printed in USA 12/02 Refrigerated Base-Self-Contained © 2002 5. T o recalibrate the thermometer , remove it from the cabinet. Using a small, flat screwdriver , remove the lens. Prepare an ice water bath and immerse the thermometer bulb at least two inches into the ice bath. WIthin 30 seconds the indicator dial should read 3[...]

  • Page 10

    10 Printed in USA 12/02 Refrigerated Base-Self-Contained © 2002 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 d[...]

  • Page 11

    CORRECTIVE MAINTENANCE 11 Printed in USA 12/02 Refrigerated Base-Self-Contained © 2002 INTRODUCTION This chapter focuses on the instruction needed in the removal and replacement of certain component s. It also addresses the repair of component s not listed under the scheduled maintenance index covered in the Scheduled Maintenance section. The leve[...]

  • Page 12

    12 Printed in USA 12/02 Refrigerated Base-Self-Contained © 2002 CORRECTIVE MAINTENANCE 21. Check the refrigeration tag on the unit for the number of ounces of refrigerant to place into the system for start-up. Monitor the pressure on both the suction and discharge sides of the manifold gauges. As the temperature in the storage area begins to fall,[...]

  • Page 13

    CORRECTIVE MAINTENANCE 13 Printed in USA 12/02 Refrigerated Base-Self-Contained © 2002 3. Remove the protective wire shroud from around the motor . 4. Disconnect the fan motor leads from the terminal box on the compressor . 5. Remove the mounting screws at the motor base. 6. Using an allen wrench, remove the aluminum fan. 7. T o install the new mo[...]

  • Page 14

    14 Printed in USA 12/02 Refrigerated Base-Self-Contained © 2002 P ARTS LIST INTRODUCTION This section of the manual contains list s of replaceable parts. Each of the tables cont ains a list of removable parts associated with an assembly of the cabinet or refrigeration system. No part s identification has been provided for details of permanently as[...]

  • Page 15

    P ARTS LIST 15 Printed in USA 12/02 Refrigerated Base-Self-Contained © 2002 Drawer Cartridge 18" DSB18C Middleby 1 Gasket GSB60MV 6449 Jeans 2 Recessed Pulls HXHL08 P73-2000 Component Hardware 2 Drawer Rollers HXDW02 7319000201 Kason 8 Heater Wire L1HR64 64" Refrigeration Hdwe. 1 Leg nut CNNP01MS 3/4" large hex nut Best Bolt 4 Part [...]

  • Page 16

    16 Printed in USA 12/02 Refrigerated Base-Self-Contained © 2002 P ARTS LIST Drawer Cartridge 26" DSB26C Middleby 1 Gasket GSB62MV 6449 Jeans 2 Recessed Pulls HXHL08 P73-2000 Component Hardware 2 Drawer Rollers HXDW02 7319000201 Kason 8 Heater Wire L1HR82 82" Refrigeration Hdwe. 1 Leg nut CNNP01MS 3/4" large hex nut Best Bolt 4 Part [...]

  • Page 17

    P ARTS LIST 17 Printed in USA 12/02 Refrigerated Base-Self-Contained © 2002 Drawer Cartridge 31" DSB31C Middleby 1 Gasket GSB64MV 6449 Jeans 2 Recessed Pulls HXHL08 P73-2000 Component Hardware 2 Drawer Rollers HXDW02 7319000201 Kason 8 Heater Wire L1HR90 90" Refrigeration Hdwe. 1 Leg nut CNNP01MS 3/4" large hex nut Best Bolt 4 Part [...]

  • Page 18

    18 Printed in USA 12/02 Refrigerated Base-Self-Contained © 2002 P ARTS LIST Drawer Cartridge 26" DSB26C Middleby 2 Gasket GSB62MV 6449 Jeans 4 Recessed Pulls HXHL08 P73-2000 Component Hardware 4 Drawer Rollers HXDW02 7319000201 Kason 16 Heater Wire L1HR82 82" Refrigeration Hdwe. 2 Leg nut CNNP01MS 3/4" large hex nut Best Bolt 4 Part[...]

  • Page 19

    P ARTS LIST 19 Printed in USA 12/02 Refrigerated Base-Self-Contained © 2002 Drawer Cartridge 31" DSB31C Middleby 2 Gasket GSB64MV 6449 Jeans 4 Recessed Pulls HXHL08 P73-2000 Component Hardware 4 Drawer Rollers HXDW02 7319000201 Kason 16 Heater Wire L1HR90 90" Refrigeration Hdwe. 2 Leg nut CNNP01MS 3/4" large hex nut Best Bolt 6 Part[...]

  • Page 20

    20 Printed in USA 12/02 Refrigerated Base-Self-Contained © 2002 P ARTS LIST Drawer Cartridge 18" DSB18C Middleby 2 Drawer Cartridge 26" DSB26C Middleby 2 Gasket GSB64MV 6449 Jeans 4 Gasket GSB62MV 6449 Jeans 4 Recessed Pulls HXHL08 P73-2000 Component Hardware 6 Drawer Rollers HXDW02 7319000201 Kason 24 Heater Wire L1HR90 64" Refrige[...]

  • Page 21

    P ARTS LIST 21 Printed in USA 12/02 Refrigerated Base-Self-Contained © 2002 Drawer Cartridge 26" DSB26C Middleby 3 Gasket GSB62MV 6449 Jeans 6 Recessed Pulls HXHL08 P73-2000 Component Hardware 6 Drawer Rollers HXDW01 7319000201 Kason 24 Heater Wire L1HR82 82" Refrigeration Hdwe. 3 Leg nut CNNP01MS 3/4" large hex nut Best Bolt 6 Part[...]

  • Page 22

    22 Printed in USA 12/02 Refrigerated Base-Self-Contained © 2002 P ARTS LIST Drawer Cartridge 18" DSB18C Middleby 2 Drawer Cartridge 26" DSB26C Middleby 2 Gasket GSB60MV 6449 Jeans 4 Gasket GSB62MV 6449 Jeans 4 Recessed Pulls HXHL08 P73-2000 Component Hardware 8 Drawer Rollers HXDW01 7319000201 Kason 32 Heater Wire L1HR64 64" Refrige[...]

  • Page 23

    INST ALLA TION 23 Printed in USA 12/02 Refrigerated Base-Self-Contained © 2002 UNP ACKING 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[...]

  • Page 24

    24 Printed in USA 12/02 Refrigerated Base-Self-Contained © 2002 ELECTRICAL AND MECHANICAL INTRODUCTION This section of the manual contains drawings and schematics of the electrical and mechanical piping systems. ELECTRICAL ABBREVIA TIONS AND TERMINOLOGY • RLA - Rated Load Amperage Rated load amps is a measure of the current drawn by a compressor[...]

  • Page 25

    ELECTRICAL AND MECHANICAL 25 Printed in USA 12/02 Refrigerated Base-Self-Contained © 2002 Figure 9.1 - Electrical Schematic[...]

  • Page 26

    26 Printed in USA 12/02 Refrigerated Base-Self-Contained © 2002 ELECTRICAL AND MECHANICAL Figure 9.2 - Refrigeration Piping Schematic[...]

  • Page 27

    LIMITED W ARRANTY 27 Printed in USA 12/02 Refrigerated Base-Self-Contained © 2002 INTRODUCTION Middleby warrants their cabinet s 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 [...]

  • Page 28

    28 Printed in USA 12/02 Refrigerated Base-Self-Contained © 2002 NOTES[...]