Randell Freezer Wartungshandbuch Seite 1

REACH-IN & ROLL-IN Refrigerators, Freezers and Heated Holding Cabinets SERVICE MANUALPart #123456 January 2008

1-6 Section 1General Information Warranty Certificate Parts & Labor Warranty McCall warrants to the original Purchaser-User its product a

2-1 Section 2 Installation InstructionsSection 2 Installation General CAUTION These instructions are of the utmost importance in assuring that t

2-2 Installation Instructions Section 2Uncrating WARNING Never attempt to tilt the cabinet alone. Always use two or more people when tilting the c

2-3 Section 2 Installation InstructionsLeveling the Cabinet The cabinet must be leveled after it is positioned in its permanent location. This ensu

2-4 Installation Instructions Section 2Electrical RequirementsAll cord-connected units should be plugged into a grounded and properly sized electric

2-5 Section 2 Installation InstructionsREFRIGERATORS AND FREEZERS Product Type Self-Contained Base Models Voltage/ Phase/Cycles Total Amps Maximum

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3-1 Section 3 OperationSection 3 Operation Sequence of OperationREFRIGERATORS - SELF-CONTAINED COOLING CYCLE With the main ON/OFF switch in the ON

3-2 Operation Section 3FREEZERS - SELF-CONTAINED COOLING CYCLE With the main ON/OFF switch in the ON position, the current flows, energizing the a

3-3 Section 3 OperationCondensate Water Removal (Refrigerators and Freezers) McCall cabinets are equipped with condensate vaporizer systems. Remote

Safety Notices As you work on a McCall reach-in or roll-in, be sure to pay close attention to the safety notices in this manual. Disregarding the no

3-4 Operation Section 3Temperature ControlsREFRIGERATORS AND FREEZERS The temperature controls are factory-set to maintain an average temperature o

3-5 Section 3 OperationLoading Shelves (Reach-In Cabinets) For maximum operating efficiency, load the shelves with space between the stored items.

3-6 Operation Section 3Adjustments and CalibrationsADJUSTMENTS Cabinet doors may require some adjustment after a period of usage, depending upon th

3-7 Section 3 OperationCALIBRATIONSOccasionally, the rigors of shipping and installation can shift the thermometer out of proper adjustment. If the

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4-1 Section 4 MaintenanceSection 4 Maintenance Cleaning Recommendations EXTERIOR Clean cabinet exterior surfaces with a solution of mild soap and w

4-2 Maintenance Section 4CLEANING THE CONDENSER COIL (REFRIGERATORS AND FREEZERS) WARNING Disconnect electric power before cleaning. For effici

4-3 Section 4 MaintenanceComponent Replacement Procedures WARNING Disconnect electric power before performing any service. EVAPORATOR FAN MOTOR

4-4 Maintenance Section 4EVAPORATOR FAN MOTOR 1 Section Refrigerators and Freezers If Mounting Bracket Is Broken 1. Remove the Windrunner air dis

4-5 Section 4 Maintenance Figure 4-9 6. When the coil has been moved, remove the evaporator drain pan by removing (4)-mounting screws. 7. Remov

i Table of ContentsTable of Contents Section 1 General Information...

4-6 Maintenance Section 4EVAPORATOR FAN MOTOR 2 and 3 Section Refrigerators and Freezers 1. Remove the evaporator-housing lid, located on the cabi

4-7 Section 4 MaintenanceTEMPERATURE CONTROL Refrigerators & Freezers 1. Remove the front louvered hatch cover by lifting straight up and pul

4-8 Maintenance Section 4TEMPERATURE CONTROL – DIAL TYPE Heated Holding Cabinets 1. Turn off the main power to the cabinet. 2. Loosen the control

4-9 Section 4 MaintenanceDEFROST HEATER ELEMENT 1. Remove the front lowered hatch cover by lifting up and pulling straight out (Figure 4-21). Fi

4-10 Maintenance Section 4 Figure 4-25 5. Install new heater by gently tapping heater back into the mounting area by using a rubber mallet or s

4-11 Section 4 MaintenanceEVAPORATOR DRAIN PAN HEATER ELEMENT WARNING Disconnect the electric power to the freezer before proceeding with the fo

4-12 Maintenance Section 4 Figure 4-31 5. Replace drain pan heater and reconnect wiring. 6. Reposition evaporator coil and secure with mountin

4-13 Section 4 MaintenanceDIGITAL THERMOMETER DISPLAY AND PROBE 1. Remove the front louvered hatch cover by lifting straight up and pulling straig

4-14 Maintenance Section 48. Carefully align the module with the rectangle cutout in the hatch cover (Figure 4-35). Figure 4-35 9. Plug the pr

4-15 Section 4 MaintenanceDIGITAL THERMOMETER TRANSFORMER WARNING Disconnect the electric power to the freezer before proceeding with the follow

Table of Contents Compressor Windings ...

4-16 Maintenance Section 4DOOR HANDLE (SOLID DOORS) 1. Remove the foot from the door lock assembly (Figure 4-40). Figure 4-40 2. Pry off gray

4-17 Section 4 MaintenanceDOOR HANDLE (GLASS DOORS) 1. Pry or lift off a small section of door gasket behind the door handle, exposing the (2) han

4-18 Maintenance Section 43. Remove the (3) three hinge mounting screws from each hinge on the cabinet front (Figure 4-47). Replace the hinge and

4-19 Section 4 MaintenanceDOOR GASKET (GLASS DOORS) 1. Remove the old gasket by pulling the gasket from the foamed in retainer in the door (Figur

4-20 Maintenance Section 4VINYL BREAKER STRIPS (DOOR JAMBS) WARNING Disconnect the electric power to the freezer before proceeding with the foll

4-21 Section 4 MaintenanceANTI-CONDENSATE DOOR HEATER WIRES WARNING Disconnect the electric power to the freezer before proceeding with the follo

4-22 Maintenance Section 43. Remove the wiring box cover on the front of the evaporator housing on 2 and 3 section cabinets (Figure 4-56). Wiring

5-1 Section 5 TroubleshootingSection 5 Troubleshooting Troubleshooting GuideBefore requesting any service on your McCall cabinet, please check th

5-2 Troubleshooting Section 5 Symptom Possible Cause Corrective Action Compressor will not Dirty condenser coil. Clean the condenser coil. start

6-1 ection 6 Component Check ProceduresSection 6 Component Check Procedures Main Power Switch FUNCTION Switches power to the reach-in on and off.

1-1 Section 1 General InformationSection 1 General Information Model NumbersThis manual covers the following models: Reach-In Refrigerators and Fre

6-2 Component Check Procedures Section 6Light Switch FUNCTION Turns the interior cabinet light on as the reach-in door is opened. SPECIFICATIONS Sin

6-3 ection 6 Component Check ProceduresDefrost Timer FUNCTION Initiates the defrost cycle at preset times to prevent evaporator frost buildup. SPEC

6-4 Component Check Procedures Section 6Drain Pan Heater Element FUNCTION Warms the drain pan to allow moisture to drain. SPECIFICATIONS Model °F/°

6-5 ection 6 Component Check ProceduresCompressor Overload Protector FUNCTION Shuts down the compressor if an overcurrent condition exists. CHECK P

6-6 Component Check Procedures Section 6Compressor Windings FUNCTION Draws current during the running cycle. CHECK PROCEDURES NOTE: The compressor m

7-1 Section 7 Refrigerant ProceduresSection 7 Refrigerant Procedures Refrigerant Recovery/Evacuation & Recharging Do not purge refrigerant to

7-2 Refrigerant Procedures Section 7Charging Procedures Important The charge is critical on all McCall Reach-In units. Use a scale or a charging cyl

7-3 Section 7 Refrigerant ProceduresSystem Contamination Clean-up This section describes the basic requirements for restoring contaminated systems

7-4 Refrigerant Procedures Section 7MILD SYSTEM CONTAMINATION CLEAN-UP PROCEDURE 1. Replace any failed components. 2. If the compressor is good, c

7-5 Section 7 Refrigerant Procedures11. Follow the normal evacuation procedure, except replace the evacuation step with the following: A. Pull vac

1-2 Section 1General Information Roll-In Refrigerators and Freezers Roll-In Refrigerators (65" cart 1 Section) L1-1001 L2-2001 L4-4001 L1-10

7-6 Refrigerant Procedures Section 7 THIS PAGE INTENTIONALLY LEFT BLANK

8-1 Section 8 ChartsSection 8 Charts Charging Specifications – Refrigerators BASE MODEL Ambient Temperature °F/°C Average Interior Temperature Suct

8-2 Charts Section 8Charging Specifications – Refrigerators (continued) BASE MODEL Ambient Temperature °F/°C Average Interior Temperature Suction P

8-3 Section 8 ChartsCharging Specifications – Freezers BASE MODEL Ambient Temperature °F/°C Average Interior Temperature Suction Pressure Discharge

8-4 Charts Section 8Charging Specifications – Dual-Temps (Refrigerators/Freezers) BASE MODEL Ambient Temperature °F/°C Average Interior Temperature

9-1 Section 9 DiagramsSection 9 Diagrams 20 2001 20P 20P01 45 4501 45P 45P01 70 7001 115/60/1

9-2 Diagrams Section 920GD 20GD01 20PGD 20PGD01 115/60/

9-3 Section 9 Diagrams45GD 45GD01 115/60/1

9-4 Diagrams Section 945XPGD 45PGD 45PGD01 45X 208-230/60/1

9-5 Section 9 Diagrams70GD 70GD01 70PGD 70PGD01 208-230/60/1

1-3 Section 1 General Information Base Mount Refrigerators and Freezers Base Mount Refrigerators (24" Wide) 1-1014 2-2014 4-4014 Base Mount

9-6 Diagrams Section 920F 20F01 45F 45F01 20FP 20FP01 115/60/1

9-7 Section 9 Diagrams20FGD 20FGD01 115/60/1

9-8 Diagrams Section 945FGD 45FGD01 208-230/60/1

9-9 Section 9 Diagrams70F 70F01 70FP 45FP 45FP01 208-230/60/1

9-10 Diagrams Section 970FGD 70FGD01 208-230/60/1

9-11 Section 9 Diagrams2001E 2001GD 115/60/1

9-12 Diagrams Section 945 4501 45P 45P01 115/60/1

9-13 Section 9 DiagramsDM1-115 115/60/1

9-14 Diagrams Section 9MGM25-2 MGM25-3

9-15 Section 9 Diagrams14 18 36 1401 1801 3601 115/60/1

1-4 Section 1General Information How to Read a Model Number

9-16 Diagrams Section 914F 18F 1401F 1801F 115/60/1

9-17 Section 9 Diagrams36F 3601F 115/60/1

9-18 Diagrams Section 945P 45P01 L-01 L-01RT H-01 H-01RT L-02 L-02RT H-02 H-02RT UL-01 UL-01RT UH-01 UH-01RT 208-230/60/1

9-19 Section 9 DiagramsL-02 H-02 115/60/1

9-20 Diagrams Section 9UH-02 UL-02 H-02RT L-02RT 115/60/1

9-21 Section 9 DiagramsH-03 L-03 UH-03 UL-03 208-230/60/1

9-22 Diagrams Section 9H-03 L-03 UH-03 UL-03 115/60/1

9-23 Section 9 Diagrams1 or 2 Section Roll-In Freezer 115/60/1

9-24 Diagrams Section 91 or 2 Section Roll-In Freezer 208-230/60/1

9-25 Section 9 DiagramsHot Food Storage Cabinet 115/60/1

1-5 Section 1 General InformationModel/Serial Number Location The McCall data plate which includes the model number and serial number, as well as i

9-26 Diagrams Section 91 Section Heated Food Storage Cabinet

9-27 Section 9 Diagrams2 Section Heated Food Storage Cabinet

9-28 Diagrams Section 901-H 02-H 45-H 208-230/60/1

9-29 Section 9 Diagrams THIS PAGE INTENTIONALLY LEFT BLANK

9-30 Diagrams Section 9 THIS PAGE INTENTIONALLY LEFT BLANK

© 2008 Manitowoc Continuing product improvements may necessitate change of specifications without notice. Part Number 123456 01/0