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Refrigerated Chef Bases
Models:
#178CBE36HC 36" 2 Drawer Refrigerated Chef Base
#178CBE48HC 48" 2 Drawer Refrigerated Chef Base
#178CBE52HC 52" 2 Drawer Refrigerated Chef Base
Note:
This manual is for a certified service technician and should not be used by those who are not properly trained.
This manual cannot cover all possible conditions that may occur and is not intended to be all encompassing.
You should read this manual in its entirety and the specific repair you wish to do prior to starting the repair.
This will allow you to determine if you have the correct tools, instruments, and skills to perform the procedure.
www.AvantcoRefrigeration.com
Service Manual
#178CBE72HC 72" 4 Drawer Refrigerated Chef Base
#178CBE84HC 84" 4 Drawer Refrigerated Chef Base
08/2022
178CBE52HC
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Table of Contents
Related Manuals for Avantco 178CBE36HC
Summary of Contents for Avantco 178CBE36HC
- Page 1 08/2022 178CBE52HC Refrigerated Chef Bases Models: #178CBE36HC 36" 2 Drawer Refrigerated Chef Base #178CBE72HC 72" 4 Drawer Refrigerated Chef Base #178CBE48HC 48" 2 Drawer Refrigerated Chef Base #178CBE84HC 84" 4 Drawer Refrigerated Chef Base #178CBE52HC 52" 2 Drawer Refrigerated Chef Base Note: This manual is for a certified service technician and should not be used by those who are not properly trained.
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Page 2: Table Of Contents
Condenser Coil ..........................10 Evaporator fan blades ........................11 Evaporator fan motors ......................... 11 Evaporator Coil ..........................12 Wire Diagram ..........................13 178CBE36HC ........................13 178CBE48HC ........................14 178CBE52HC ........................15 178CBE60HC ........................16 178CBE72HC ........................17 Parts Diagram List ........................19 178CBE36HC ........................ -
Page 3: Troubleshooting
Service Manual Refrigerated Chef Bases Troubleshooting Problem Possible Solution Ensure that unit is plugged in Ensure the outlet is correct and dedicated and has power Unit will not turn on Check power switch Check controller Ensure drawers are properly closed Check drawer gasket for rips, tears, cut, etc. -
Page 4: Controller Settings
Service Manual Refrigerated Chef Bases Controller Settings 1. To access settings on temperature controller, press and hold the "SET" button until the display flashes with "PS". (Fig. 2) 2. Press the "SET" button again to display a blinking "0". 3. Push the "up arrow/power" button until the display shows 22. 4. - Page 5 Service Manual Refrigerated Chef Bases Controller Settings Code Description Options Defaults 22 (Recommended not Password Setting 0 to 200 change this setting) 0 = ˚C Temperature Select Units 1 = ˚F Probe 1 Differential -50.0˚F to 50.0˚F 0˚F Probe 2 Differential Not used on refrigerators Set Temperature Differential 0˚F to 19˚F...
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Page 6: Part Testing
If amperage is at Locked Rotor Amps, compressor needs replaced. Max Load Locked Rotor Amps Model # Fig. 3 Amps (LRA) 178CBE36HC 4.0 Amps 15.6 Amps 178CBE48HC 4.3 Amps 15.9 Amps 178CBE52HC 4.5 Amps 16.1 Amps 178CBE60HC 4.8 Amps... -
Page 7: Controller
Service Manual Refrigerated Chef Bases Part Testing Fig. 5 Controller Check for 120 volts between white (N) and black (L) (#4) at the back of the controller. NOTE: there are two black (L) wires. (Fig. 5) With controller calling for compressor to run, check for 120 volts between white (N) and red (Compressor) wire. -
Page 8: Door Seal Heater
Service Manual Refrigerated Chef Bases Part Testing Door Seal Heater Fig. 8 Disconnect unit from power and unplug red connector, check for 228 Ω at 70°F +/- 10%. (Fig. 8) Check for 120 volts between white and black wires on the red plug at rear of condenser/ compressor compartment. -
Page 9: Compressor
Service Manual Refrigerated Chef Bases Part Replacement Condensing Tray Components Compressor Capacitor Remove Phillips screws holding side condens- 8. Ensure capacitor is properly discharged before er cover in place and the one Phillips screw on proceeding. Use a 20,000 ohm, 2 watt carbon the rear. -
Page 10: Filter Drier
Service Manual Refrigerated Chef Bases Part Replacement Condensing Tray Components Filter Drier Fig. 21 Fig. 22 With condensing tray pulled out, remove by cutting process tube and liquid line to filter. (Fig. 21) Remove from clamp by prying apart clamp clip. With all refrigerant removed from system and a safe working condition, sweat out the capillary tube from the filter drier. -
Page 11: Evaporator Fan Blades
Service Manual Refrigerated Chef Bases Part Replacement Evaporator Fig. 27 Compartment Parts Turn off and disconnect power before servicing Evaporator fan blades 1. Open drawer(s) and remove the drawer slide clip (red lever/hook) from each side by pushing it forward and then down (Fig. -
Page 12: Evaporator Coil
Service Manual Refrigerated Chef Bases Part Replacement Evaporator Fig. 32 Compartment Parts Evaporator Coil 1. depending on needs on the situation Fig. 33 2. Remove the top of the unit by removing the Phillips screws located at the back of the unit and along the front underside of the top (Fig. -
Page 13: Wire Diagram
Service Manual Refrigerated Chef Bases Wire Diagram 178CBE36HC www.AvantcoRefrigeration.com... -
Page 14: 178Cbe48Hc
Service Manual Refrigerated Chef Bases Wire Diagram 178CBE48HC www.AvantcoRefrigeration.com... -
Page 15: 178Cbe52Hc
Service Manual Refrigerated Chef Bases Wire Diagram 178CBE52HC www.AvantcoRefrigeration.com... -
Page 16: 178Cbe60Hc
Service Manual Refrigerated Chef Bases Wire Diagram 178CBE60HC www.AvantcoRefrigeration.com... -
Page 17: 178Cbe72Hc
Service Manual Refrigerated Chef Bases Wire Diagram 178CBE72HC www.AvantcoRefrigeration.com... - Page 18 Service Manual Refrigerated Chef Bases Wire Diagram 178CBE84HC www.AvantcoRefrigeration.com...
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Page 19: 178Cbe36Hc
Service Manual Refrigerated Chef Bases Part Diagram 178CBE36HC www.AvantcoRefrigeration.com... -
Page 20: Parts Diagram List
Service Manual Refrigerated Chef Bases Parts Diagram List 178CBE36HC Item # Description Part # Drawer 17815290 Drawer slide - left 17816336 Drawer slide - right 17816335 Evaporator coil 17812503 Evaporator fan blade 17818572 Evaporator fan motor 17816965 Temperature sensor - cabinet 17813892... -
Page 21: 178Cbe48Hc
Service Manual Refrigerated Chef Bases Part Diagram 178CBE48HC www.AvantcoRefrigeration.com... - Page 22 Service Manual Refrigerated Chef Bases Parts Diagram List 178CBE48HC Item # Description Part # Drawer 17815297 Drawer slide - left 17816336 Drawer slide - right 17816335 Evaporator coil 17812503 Evaporator fan blade 17818572 Evaporator fan motor 17816965 Temperature sensor - cabinet 17813892 Controller - thermostat 17819947...
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Page 23: 178Cbe52Hc
Service Manual Refrigerated Chef Bases Part Diagram 178CBE52HC www.AvantcoRefrigeration.com... - Page 24 Service Manual Refrigerated Chef Bases Parts Diagram List 178CBE52HC Item # Description Part # 17815292 Drawer Drawer slide - left 17816336 Drawer slide - right 17816335 Evaporator coil 17814715 Evaporator fan blade 17818572 17816965 Evaporator fan motor Temperature sensor - cabinet 17813892 Controller - thermostat 17819947...
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Page 25: 178Cbe60Hc
Service Manual Refrigerated Chef Bases Part Diagram 178CBE60HC www.AvantcoRefrigeration.com... - Page 26 Service Manual Refrigerated Chef Bases Parts Diagram List 178CBE60HC Item # Description Part # Drawer 17815295 Drawer slide - left 17816336 Drawer slide - right 17816335 Evaporator coil 17814715 Evaporator fan blade 17818572 Evaporator fan motor 17816965 Termperatur senser - cabinet 17813892 Controller - thermostat 17819947...
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Page 27: 178Cbe72Hc
Service Manual Refrigerated Chef Bases Part Diagram 178CBE72HC www.AvantcoRefrigeration.com... - Page 28 Service Manual Refrigerated Chef Bases Parts Diagram List 178CBE72HC Item # Description Part # Drawer 17815294 Drawer slide - left 17816336 Drawer slide - right 17816335 Evaporator coil 17816297 Evaporator fan blade 17818572 Evaporator fan motor 17816965 Temperature sensor - cabinet 17813892 Controller - thermostat 17819947...
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Page 29: 178Cbe84Hc
Service Manual Refrigerated Chef Bases Part Diagram 178CBE84HC www.AvantcoRefrigeration.com... - Page 30 Service Manual Refrigerated Chef Bases Parts Diagram List 178CBE84HC Item # Description Part # Drawer 17815294 Drawer slide - left 17816636 Drawer slide - right 17816335 Evaporator coil 17816297 Evaporator fan blade 17818572 Evaporator fan motor 17816965 Temperature sensor - cabinet 17813892 Controller - thermostat 17819947...
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