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F90571 

 

F90571 

Summary of Contents for VRBD Use/

Page 1: ...F90571 F90571...

Page 2: ...n Evaporator Interior Temperatures Normal and Frost Pattern Uniform 10 4 Compressor Fan and Interior Light do not Function 11 5 Interior Light Functions but Compressor will not Run 12 6 Compressor Run...

Page 3: ...the evaporator yields a condition in which the cabinet interior air temperature drops below freezing and stored commodities become frozen End users respond to the colder interior temperatures by adjus...

Page 4: ...the unit door Allow the door to remain open for about 5 minutes and observe the frost pattern that forms on the evaporator On a properly charged unit the frost pattern should be continuous and unifor...

Page 5: ...to warmer cold or setting too cold of a setting lower number on contents setting for ambient knob freezing conditions b The evaporator 1 Refrigerant leak 1 locate and correct cause of for the presence...

Page 6: ...3 Securely tighten thermo bulb thermo bulb mounting mounting bracket bracket not secure causing false sensing 4 Insufficient 4 Adjust thermo bulb thermo bulb contact contact area to achieve area on e...

Page 7: ...too cold and below too warm This applies to models with glass shelves only 2 Interior a Thermostat 1 Thermostat set to too 1 Adjust thermostat to a too warm low warm of a setting colder setting highe...

Page 8: ...Interior light 1 Striker plate on bottom 1 Replace or install striker does it remain of door not present or plate on door so light on with door not positioned properly switch is depressed when closed...

Page 9: ...space grille restricted Through toe space grille No obstruction to air flow permitted in an area 3 feet out from the grille 3 Excessive a Cabinet for 1 Exterior door of unit not 1 Install door shim k...

Page 10: ...e frequency and too frequent door openings allow duration of door door openings warm moist air to reach openings cold evaporator plate causing heavier frost built up 4 Compressor a Power supply 1 Unit...

Page 11: ...iring connections fan motor to terminal block 7 Fan runs but a PTC starter 1 Failed PTC starter 1 Replace PTC starter b Wiring PTC 1 loose or incorrect 1 Correct loose or incorrect start to wiring con...

Page 12: ...erify over ride switch of the door position light goes out when door is in the on the light will remain on is closed by depressing position with the door closed light activation switch This is intende...

Page 13: ...WIRING DIAGRAM VUAR VUWC WIRING DIAGRAM VUBD VRBD F90571 14...

Page 14: ...obulb away from clamp 7 Go to rear of unit and gently pull the capillary tube from the thermostat out of the unit 8 Set dip switches for the correct unit Ill 1 9 Mount control on base plate in locatio...

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