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Traulsen TBC13, Service Manual

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Traulsen TBC13 Service Manual Download Page 21

-20-

XII. TROUBLESHOOTING (cont

’

d)

POTENTIAL CAUSE 

 

 

 

 

SOLUTION

a.   Solenoid valve restricted.   

 

 

Remedy solenoid restriction.

b.  Restriction in filter/drier.   

 

 

Replace filter/drier.

c.  Loss of refrigerant.   

 

 

 

Diagnose leak and recharge system.

d.  Poor air flow.   

 

 

 

 

Insure proper air flow around system.

e.  Expansion valve blocked.   

 

 

Please TXV.

a.  Improper air flow across condenser. 

 

Insure proper air flow around system.

b.  Extreme ambient conditions.   

 

Relocate chiller to cooler environment.

c.  Refrigerant overcharge.   

 

 

Correct refrigerant charge.

d.  Air in system.   

 

 

 

 

Evacuate/cleanse system, then recharge.

a.  Defrost heater malfunction. 

 

 

Replace defrost heater.

b.  Wired wrong or faulty connection. 

 

Verify/correct wiring and connections.

c.  Relay contacts open.  

 

 

 

Replace relay.

d.  Coil sensor failure.   

 

 

 

Replace coil sensor.

e.  Control malfunction.   

 

 

 

Replace control board.

f.  Relay board malfunction.   

 

 

Replace relay board.

g.  Open fuse. 

 

 

 

 

 

Replace fuse.

a.  Date/time settings incorrect. 

 

 

Set correct date and/or time on the control.

a.  Condensate evaporator not installed. 

 

Install condensate evaporator.

b.  Condensate evaporator not connected   

Plug in condensate evaporator. 

 

to power supply.

c.  Condensate evaporator malfunction. 

 

Replace condensate evaporator.

SYMPTOM

  

15.  Low suction pressure.

16.  High head pressure.

17.  Chiller will not defrost. 

 

18.  Printout shows wrong date  

 

and/or time.

19.  Water on the floor near

 

the blast chiller.

Summary of Contents for TBC13

Page 1: ... intended to be all encompassing but is written to supplement the formal training on the job experience and other product knowledge acquired by Authorized Traulsen Service Agents Before proceeding with any work you should read in its entirety the repair procedure you wish to perform to determine if you have the necessary tools instruments and skills required to perform the procedure Procedures for...

Page 2: ...ode 8 d Hold Mode 8 e By Time Chill Freeze Mode 8 f By Temp Chill Freeze Mode 9 g By Product Chill Freeze Mode 9 h Defrost Mode 9 VIII SERVICE PROCEDURES a Temperature Sensors 9 b Expansion Valve 9 10 c Door Perimeter Heaters 10 d Compressor 10 11 e Condenser Fan Assembly 11 f Condenser Coil 11 g Pressure Control 11 h Evaporator Coil 11 i Filter Drier 12 j Evaporator Blower 12 k Checking For Leaks...

Page 3: ... the factory II e WIRING DIAGRAMS Refer to the wiring diagrams on pages 16 thru 18 for any service work performed on the unit Should you require another copy please contact Traulsen Service at 800 825 8220 and provide the model and serial number of the unit involved II f TOOL REQUIREMENTS For most jobs a standard set of hand tools a VOM with AC current tester electrically conductive field service ...

Page 4: ...FRIGERATION SYSTEM INSTALLATION All Traulsen blast chillers with the exception of model TBC5 require the use of a floor drain or floor mounted condensate evaporator for condensate removal Refer to Section IV h of the blast chill owner s manual for more information Remote refrigeration installation requirements apply only to models TBC1H TBC1HR and TBC2H TBC2HR A remote condensing unit op erating o...

Page 5: ...eable parts Should you encounter a faulty or damaged control it will need to be replaced IV b THE TOOLBOX The TOOLBOX can be accessed by pressing the MANUAL tab and then the TOOLBOX icon on top of the MANUAL menu screen From the MANUAL menu screen press the TOOLBOX icon The control will now display the TOOLBOX menu It includes three security levels Press USER for operator level access This provide...

Page 6: ...Allow the cabinet to idle for at least 1 minute before beginning a test IV e SERVICE MENU FEATURES CALIBRATE This features allows for calibration of the touchscreen s accuracy Press CALIBRATE than each of the five plus symbols as closely as possible to do so Note use of a stylus is highly recommended TEMPERATURES Displays key temperature sensor data Expected values for each should be in similar to...

Page 7: ...V CONTROL ARCHITECTURE 6 LEGEND 1 UI Power 5 Label Printer Communication 2 USB Port used 6 Paper Printer Power 3 USB Port unused 7 Paper Printer Communica tion 4 Label Printer Power ...

Page 8: ...ings the start capacitor and start windings into the circuit As the motor reaches operating speed less amperage through run winding the normally open contacts open and removes the start capacitor and start windings from the circuit Evaporator Fan Draws air from the cabinet and moves air through the evaporator coil Defrost Heater Defrosts evaporator coils and prevents water droplets from evaporator...

Page 9: ...target temperature when in any mode If a BY TIME mode is selected the unit enters hold mode automatically after the time has expired VII d HOLD MODE cont d 1 Unit is in IDLE mode 2 Hold mode is initiated NOTE When the hold mode is initiated two timers run One tracks the time in the hold mode and the other tracks the time since the last defrost hold mode defrosts at a programable interval a The ref...

Page 10: ... temperature the display will alternate with DONE and the buzzer will sound a At the end of the chill cycle the unit will enter idle mode VII g BY PRODUCT CHILL OR FREEZE MODE 1 Unit is in IDLE mode 2 Product type is selected 3 The refrigeration system will cycle on the blasting air temperature set point 4 Chill mode is terminated when pre programmed condition is met If product is chilled using BY...

Page 11: ...round the perimeter of the door opening under the breaker caps and secure in place with aluminum tape Some replacement of insulation may be required 4 Make the wire connections and push back up into the cabinet to allow for breaker caps to be reinstalled 5 Reinstall the breaker caps VIII e COMPRESSOR WARNING DISCONNECT THE ELECTRICAL POWER TO THE MACHINE AND FOLLOW LOCKOUT TAGOUT PROCEDURES WARNIN...

Page 12: ...REQUIRES THE USE OF REFRIGERANTS BE CERTAIN THE WORK AREA IS WELL VENTILATED SAFETY GOGGLESAND GLOVES SHALL BE WORN SINCE REFRIGERANTS MAY CAUSE INJURY TO THE SKIN NOTE This procedure applies to all blast chill models 1 Evacuate the refrigeration system NOTE The use of reclaiming equipment is mandatory VIII f CONDENSER COIL cont d 2 Remove fan guard and fan shroud from condensing coil 3 Disconnect...

Page 13: ...eration VIII i FILTER DRIER WARNING DISCONNECT THE ELECTRICAL POWER TO THE MACHINE AND FOLLOW LOCKOUT TAGOUT PROCEDURES WARNING THIS PROCEDURE REQUIRES THE USE OF REFRIGERANTS BE CERTAIN THE WORK AREA IS WELL VENTILATED SAFETY GOGGLESAND GLOVES SHALL BE WORN SINCE REFRIGERANTS MAY CAUSE INJURY TO THE SKIN 1 Pump down refrigeration system Warning after pump down refrigerant lines will contain press...

Page 14: ... the system and check for proper operation IX l EVACUATING THE SYSTEM WARNING DISCONNECT THE ELECTRICAL POWER TO THE MACHINE AND FOLLOW LOCKOUT TAGOUT PROCEDURES WARNING THIS PROCEDURE REQUIRES THE USE OF REFRIGERANTS BE CERTAIN THE WORK AREA IS WELL VENTILATED SAFETY GOGGLESAND GLOVES SHALL BE WORN SINCE REFRIGERANTS MAY CAUSE INJURY TO THE SKIN Introduction Refrigeration reclaiming equipment is ...

Page 15: ...ns require that every system failure be treated as a massive clean up 14 IX n SYSTEM CLEAN UP INTRODUCTION cont d WARNING DISCONNECT THE ELECTRICAL POWER TO THE MACHINE AND FOLLOW LOCKOUT TAGOUT PROCEDURES WARNING THIS PROCEDURE REQUIRES THE USE OF REFRIGERANTS BE CERTAIN THE WORK AREA IS WELL VENTILATED SAFETY GOGGLESAND GLOVES SHALL BE WORN SINCE REFRIGERANTS MAY CAUSE INJURY TO THE SKIN If a co...

Page 16: ...re area 1 To begin removing the gasket to be replaced grasp it firmly by one corner and pull it out 2 Insert the new gasket by the four corners first by using a rubber mallet or hammer with a block of wood 3 After the corners are properly inserted work your way towards the center from both ends by gently hitting with a mallet until the gasket is completely seated in place see below diagram for pro...

Page 17: ... 16 IX WIRING DIAGRAM MODEL TBC5 ...

Page 18: ... 17 X WIRING DIAGRAM MODEL TBC13 ...

Page 19: ... 18 XI WIRING DIAGRAM MODEL TBC1H TBC1HR ...

Page 20: ...duct ex chicken tender Use chill by time d Product held at room temp too long Verify actual product temp using a manual thermometer a Main circuit breaker open Close breaker b Fuse open on control power supply Replace fuse c Internal circuit breaker open Close internal breaker d Control power supply malfunction Replace control board e Main ON OFF switch OFF Switch power to ON position a Low incomi...

Page 21: ...heater malfunction Replace defrost heater b Wired wrong or faulty connection Verify correct wiring and connections c Relay contacts open Replace relay d Coil sensor failure Replace coil sensor e Control malfunction Replace control board f Relay board malfunction Replace relay board g Open fuse Replace fuse a Date time settings incorrect Set correct date and or time on the control a Condensate evap...

Page 22: ...1 Compressor 321 60233 00 1 Condenser Coil 322 60056 00 1 Solenoid Valve 325 60001 00 1 Filter Drier 325 60103 00 1 Condenser Fan Blade 325 60135 00 1 Cabinet Air Sensor green 337 60405 01 2 Coil Sensor blue 337 60406 01 3 Liquid Line Sensor yellow 337 60407 01 1 Air Filter 341 60062 00 1 Thermal Expansion Valve 325 60080 31 1 Evaporator Coil 322 60053 00 1 Evaporator Fan 325 60073 01 1 Cord Plug ...

Page 23: ...333 60451 00 1 I O Hybrid Relay Harness 333 60452 00 1 Chill Compressor 321 60236 02 1 Maintenance Compressor 321 60243 12 1 Condenser Coil 322 60067 00 1 Solenoid Valve 325 60001 04 1 Filter Drier 325 60103 00 1 Condenser Fan Blade 325 60202 00 1 Condenser Fan Motor 338 60058 00 1 Cabinet Air Sensor green 337 60405 01 2 Coil Sensor blue 337 60406 01 3 Liquid Line Sensor yellow 337 60407 01 1 Ther...

Page 24: ...Hybrid Relay Harness 333 60452 00 1 2 Maintenance Compressor 321 60236 00 1 2 Condenser Coil 325 60122 00 1 2 Solenoid Valve 1 325 60001 00 1 2 Solenoid Valve 2 325 60001 01 1 2 Filter Drier 325 60103 00 1 2 Condenser Fan Blade 325 60088 00 1 2 Condenser Fan Motor 32560214 00 2 4 Cabinet Air Sensor green 337 60405 01 2 4 Coil Sensor blue 337 60406 01 3 6 Liquid Line Sensor yellow 337 60407 01 1 2 ...

Page 25: ... 24 ...

Page 26: ...Traulsen 4401 Blue Mound Road Fort Worth TX 76106 Phone 800 825 8220 Fax Svce 817 740 6757 Website www traulsen com HOURS OF OPERATION Monday thru Friday 7 30 am 4 30 pm CST Quality Refrigeration ...

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