Middleby 20036RSB Installation, Operation & Maintenance Manual Download Page 1

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Installation, Operation &

Maintenance Manual

Refrigerated Base – Remote

1100 Old Honeycutt Road, Fuquay-Varina, NC 27526

919-552-9161 • 800-348-2558 • 919-552-9798 (fax) • 800-238-8444 (after hours)

Printed in USA 12/02

ODELS

20036RSB

20084RSB

20048RSB

20096RSB

20060RSB

20108RSB

20072RSB

Summary of Contents for 20036RSB

Page 1: ...Manual Refrigerated Base Remote 1100 Old Honeycutt Road Fuquay Varina NC 27526 919 552 9161 800 348 2558 919 552 9798 fax 800 238 8444 after hours Printed in USA 12 02 MODELS 20036RSB 20084RSB 20048RSB 20096RSB 20060RSB 20108RSB 20072RSB ...

Page 2: ...ated panel The drawer face panel is fully gasketed to provide a tight seal against the cabinet Condensing Unit Compartment This area contains the condensing unit s along with the necessary controls and other components Evaporator Coil The evaporator coil is located in the storage compartment and is responsible for distributing the cold air associated with the refrigeration system Cabinet The cabin...

Page 3: ...zard or unsafe practice which COULD result in injury product or property damage NOTICE This symbol refers to information that requires special attention or must be fully understood even though not dangerous SAFETY PRECAUTIONS NOTICE Post the emergency telephone number of your gas supplier and instructions to follow if gas odor is detected NOTICE Be sure this manual and important papers are given t...

Page 4: ...art up Procedure Refrigerated Storage Operation Results 1 Activate system by inserting electrical service cord into electrical supply source and flip power control switch 2 Locate liquid refrigerant indication glass mounted on the receiver 3 Wait 15 minutes 4 Wait 3 hours Compressor should immediately come on line along with the condenser fan and the evaporator fan Once the system has been operati...

Page 5: ...IONAL DESCRIPTION SYSTEM DESCRIPTION This unit consists of an insulated storage cabinet with drawers an evaporator coil a thermal expansion valve a thermostat and a compartment to make remote refrigeration and electrical connections It is designed with the intent and purpose of storing food items SYSTEM OPERATION The design of the refrigerated cabinet focuses primarily on the safe storage of food ...

Page 6: ...e minutes there should be no visible bubbles 3 If bubbles are present a Determine if there is a leak by using a halide or electronic leak detector b Repair leak s WARNING The system should be de energized when checking for leaks i If a leak is found on a flared fitting it can often be repaired by simply tightening the brass flare nut 1 4 of a turn If tightening does not repair the leak it may be n...

Page 7: ...de of the door Clean the track thoroughly Replace the old gasket with the new one by snapping it into place 2 Inspect all motors and shaftsi for both noise and wear If they show age replace them 3 With the main power off remove the condensing unit from its compartment and inspect all wiring Also remove the cover from the controls and check them to make certain that they are operational and do not ...

Page 8: ... dry thoroughly d Check both the condenser fan motori and the evaporator fan motor to make certain that they are operational and that the fans are tight and secure e Clean door gaskets and breaker strips with a damp cloth f Clean exterior of cabinet with mild soap and warm water Dry thoroughly a Check all joints and fittings for any signs of leaks or fatigue b Inspect electrical connections to con...

Page 9: ...6 TXV stuck open 7 Compressor failure 8 Ineffective door seal 9 Restricted circulation in storage compartment 1 Defective compressori 2 Low refrigerant 3 Ambient temperature too low 1 Blocked or dirty condenseri 2 Ambient temperature too high 3 System contains air 4 Refrigerant overcharge 1 Maladjusted control 1 Blown fuse circuit breaker 2 Bad connection at supply cord 3 Ill fitting gasket 1 Adju...

Page 10: ...Repeat the leak check process again 15 If the system checks out with no leaks recover the test charge using a vacuum recovery pump 16 With the system pressure at zero connect the vacuum pump and evacuate the system The pump should run for one hour The vacuum pump should pull the system down to 30 inches of vacuum 17 Reattach the electrical terminal box and secure all wiring 18 Check the refrigerat...

Page 11: ...oning or heat pump system Replacement of Low Pressure Control 1 Disconnect the unit from electrical service 2 Remove control cover and disconnect electrical terminals 3 Disconnect capillary tube 4 Remove mounting fasteners on control base and install new control by reversing the procedure 5 To adjust the control hook up the service gauges to the suction and discharge valves and crack them to allow...

Page 12: ... be access to the rear of the cabinet 1 On the cabinet exterior remove the rear tubing cover using a 1 4 nut driver 2 On the interior of the cabinet remove the drain line cover 3 From the inside of the cabinet pull the drain from the evaporator shroud fitting 4 From the drain exit location pull the drain through the penetration of the cabinet 5 At the bottom of the condensing unit compartment cut ...

Page 13: ...on Quantity R1412 Refrigerant service gauges with hoses 1 VA70264 Service valve wrench 1 50992 Refrigerant 30 lbs Drawer Cartridge 26 DSB26C Middleby 1 Gasket GSB60MV 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 Parts List Cabinet 20036RSB Item Midd...

Page 14: ...r Wire L1HR90 90 Refrigeration Hdwe 1 Leg nut CNNP01MS 3 4 large hex nut Best Bolt 4 Parts List Cabinet 20048RSB Item Middleby Mfg Vendor Qty Evaporator Coil Assy RWE430 BBM11A Heatcraft 1 Evaporator Motor RWEM03 25300701 Heatcraft 1 Evaporator Fan RWE5101B 5101B Heatcraft 1 Expansion Valve RWEV39 EFS1 4C Sporlan 1 Thermostat RWTT08 A319ABC 24 01 Johnson Controls 1 Parts List Refrigeration 20048RS...

Page 15: ...ason 8 Heater Wire L1HR64 64 Refrigeration Hdwe 1 Heater Wire L1HR82 82 Refrigeration Hdwe 1 Leg nut CNNP01MS 3 4 large hex nut Best Bolt 4 Parts List Cabinet 20060RSB Item Middleby Mfg Vendor Qty Evaporator Coil Assy RWE430 BBM11A Heatcraft 1 Evaporator Motor RWEM03 25300701 Heatcraft 1 Evaporator Fan RWE5101B 5101B Heatcraft 1 Expansion Valve RWEV39 EFS1 4C Sporlan 1 Thermostat RWTT08 A319ABC 24...

Page 16: ...son 16 Heater Wire L1HR64 64 Refrigeration Hdwe 1 Heater Wire L1HR90 90 Refrigeration Hdwe 1 Leg nut CNNP01MS 3 4 large hex nut Best Bolt 4 Parts List Cabinet 20072RSB Item Middleby Mfg Vendor Qty Evaporator Coil Assy RWE430 BBM11A Heatcraft 1 Evaporator Motor RWEM03 25300701 Heatcraft 1 Evaporator Fan RWE5101B 5101B Heatcraft 1 Expansion Valve RWEV39 EFS1 4C Sporlan 1 Thermostat RWTT08 A319ABC 24...

Page 17: ...son 16 Heater Wire L1HR64 64 Refrigeration Hdwe 2 Heater Wire L1HR82 82 Refrigeration Hdwe 1 Leg nut CNNP01MS 3 4 large hex nut Best Bolt 6 Parts List Cabinet 20084RSB Item Middleby Mfg Vendor Qty Evaporator Coil Assy RWE430 BBM11A Heatcraft 1 Evaporator Motor RWEM03 25300701 Heatcraft 1 Evaporator Fan RWE5101B 5101B Heatcraft 1 Expansion Valve RWEV39 EFS1 4C Sporlan 1 Thermostat RWTT08 A319ABC 24...

Page 18: ...er Wire L1HR82 82 Refrigeration Hdwe 3 Leg nut CNNP01MS 3 4 large hex nut Best Bolt 6 Parts List Cabinet 20096RSB Item Middleby Mfg Vendor Qty Evaporator Coil Assy RWE430 BBM11A Heatcraft 1 Evaporator Motor RWEM03 25300701 Heatcraft 1 Evaporator Fan RWE5101B 5101B Heatcraft 1 Expansion Valve RWEV39 EFS1 4C Sporlan 1 Thermostat RWTT08 A319ABC 24 01 Johnson Controls 1 Parts List Refrigeration 20096R...

Page 19: ...son 24 Heater Wire L1HR64 64 Refrigeration Hdwe 1 Heater Wire L1HR90 90 Refrigeration Hdwe 2 Leg nut CNNP01MS 3 4 large hex nut Best Bolt 6 Parts List Cabinet 20108RSB Item Middleby Mfg Vendor Qty Evaporator Coil Assy RWE430 BBM11A Heatcraft 1 Evaporator Motor RWEM03 25300701 Heatcraft 1 Evaporator Fan RWE5101B 5101B Heatcraft 1 Expansion Valve RWEV39 EFS1 4C Sporlan 1 Thermostat RWTT08 A319ABC 24...

Page 20: ...mately 3 clearance from walls and other equipment is sufficient 3 Level the cabinet from front to back and side to side This is important so that the cabinet will not be pulled out of square 4 Evaporator coil drain lines are factory installed and are either plumbed into a condensate evaporator pan or the condensate evaporative base of the condensing uniti to eliminate the need for exterior plumbin...

Page 21: ...e well to note that the practice in the past was to show an additional column marked LRA U L Test Report This is no longer needed since the U L investigation work regarding component rating will be guided by the compressor manufacturer s published value MCG Maximum Continuous Current Maximum continuous current is a limiting ampere value that must not be greater than 156 of the RLA of the compresso...

Page 22: ...22 Printed in USA 12 02 Refrigerated Base Remote 2002 ELECTRICAL AND MECHANICAL Figure 9 1 Electrical Schematic ...

Page 23: ...ELECTRICAL AND MECHANICAL 23 Printed in USA 12 02 Refrigerated Base Remote 2002 Figure 9 2 Refrigeration Piping Schematic ...

Page 24: ...ility of the qualified refrigeration installation company to provide any accessories required for a specific climate or application Middleby does not imply nor warrant the use of this equipment in adverse conditions or beyond its intended use To Secure Warranty Service 1 To claim a defect under this warranty direct your claim to whomever you purchased the product Be prepared to provide the model n...

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