VULCAN VBP5 Series Heated Holding Insulated Cabinets User Manual

VULCAN VBP5 Series Heated Holding Insulated Cabinets

Product Information

The V Series Heated Holding Insulated Cabinets are a product of Vulcan-Hart, a company located at 3600 North Point Blvd, Baltimore, MD 21222. The cabinets are designed to provide heated holding and insulation for various purposes.

Product Usage Instructions

1. Installation: Follow the detailed installation instructions provided in the Installation & Operation Manual that is sent with each unit. The manual can also be accessed online at www.vulcanequipment.com.
2. Operation: Once installed, the V Series Heated Holding Insulated Cabinets can be operated by following these steps
   • Ensure that the cabinet is properly connected to a power source with the correct voltage (120V or 240V). Turn on the power supply.
   • Set the desired temperature using the temperature controls provided. Refer to the Installation & Operation Manual for specific instructions on temperature control.
   • Place the items to be heated and held inside the cabinet, ensuring they are properly arranged and not overcrowded.
   • Close the cabinet door securely.
3. Cleaning: To clean the V Series Heated Holding Insulated Cabinets, follow these guidelines
   • Disconnect the power supply before cleaning.
   • Remove any food or debris from the interior of the cabinet.
   • Wipe down the interior and exterior surfaces with a damp cloth or sponge and a mild detergent solution.
   • Rinse with clean water and dry thoroughly.

Note: For any repair or maintenance procedures, it is recommended to consult a trained Hobart Service Technician. This user manual is intended for their use and should not be used by unqualified individuals.

SERVICE UPDATES

March 2022

• Updated FOOD COMPARTMENT FAN.
• Updated WIRING DIAGRAM.

November 2021

• Updated TEMPERATURE PROBE ROTARY CONTROLS.
• Updated CONTROL BOARD.
• Added TEMPERATURE PROBE TOUCH CONTROLS.
• Updated TEMPERATURE CALIBRATION.
• Updated WIRING DIAGRAM.

TIS DOCUMENT LIST – V SERIES HEATED HOLDING INSULATED CABINETS

SERVICE TAB

Document Title| Document Type
V Series Heated Holding Transportation Cabinets| Service Manual
SERVICE MULTIMEDIA TAB

Document Title| Document Type
V Series Heated Holding Transportation Cabinets Installation & Operation| Operators Manual
V Series Heated Holding Transportation Cabinets Specifications| Specification
PARTS TAB

Document Title| Document Type
V Series Heated Holding Transportation Cabinets| Parts Catalog

GENERAL

INTRODUCTION

This manual is applicable only to models listed on the cover page. Procedures in this manual will apply to all models unless specified. Pictures and illustrations can be of any model unless they need to be model specific.

INSTALLATION, OPERATION AND CLEANING
For detailed installation, operation and cleaning instructions, refer to the Installation & Operation Manual sent with each unit. The manual is also available online at www.vulcanequipment.com.

TOOLS
Standard

• Standard set of hand tools.
• VOM with minimum of NFPA-70E CATIII 600V, UL/CSA/TUV listed. Sensitivity of at least 20,000 ohms per volt and the ability to measure DC micro amps. Meter leads must also be rated at CAT III 600V.
• Clamp on type amp meter with minimum of NFPA-70E CAT III 600V,UL/CSA/TUV listed.
• Temperature tester (thermocouple type).
• ESD (Electrostatic discharge) Protection Kit. Special
• Handheld, digital temperature and humidity sensor Grainger No. 3LYH7 or equivalent.

SPECIFICATIONS

DATA PLATE LOCATIONS

DATA PLATE LOCATED ON BACK PANEL

INSIDE DATA PLATE

REMOVAL AND REPLACEMENT OF PARTS

TOP COVER

WARNING
Disconnect the electrical power to the machine and follow lockout /tagout procedures.

NOTE: Remove top cover to access power cord, cooling fan, and control board.

1. Remove screws from top and side of top cover. Fig. 3 Fig. 4
2. Lift cover off cabinet.
3. Reverse procedure to install.

FOOD COMPARTMENT FAN

WARNING
Disconnect the electrical power to the machine and follow lockout /tagout procedures.

NOTE: Production starting on 01/10/22 moved the fan to the rear of the cabinet. Instructions are the same.

Production Starting 01/10/22

1. Remove TOP COVER .
2. Remove insulation (1, Fig. 6). Fig. 6
3. Note and disconnect wiring from terminal block and control board.
4. Remove inside access cover (1, Fig. 7). Fig. 7
5. Remove fan mounting bracket.
6. Remove screws from fan.
7. Install fan with label (1, Fig. 8) up. Fig. 8
8. Reverse procedure to install.

NOTICE
Verify air flow direction in cavity.

Fig. 9

NOTICE
When installing inside access cover, verify edge inserts into slot without catching.

Fig. 10

HEATING ELEMENTS

WARNING
Disconnect the electrical power to the machine and follow lockout /tagout procedures.

1. Remove TOP COVER .
2. Remove insulation (1, Fig. 11). Fig. 11
3. Note and disconnect wires from terminal block and control board.
4. Remove inside access cover (1, Fig. 12). Fig. 12
5. Remove heating element mounting screws. Fig. 13
6. Reverse procedure to install.

NOTICE
When installing inside access cover, verify edge inserts into slot without catching.

Fig. 14

POWER CORD

WARNING
Disconnect the electrical power to the machine and follow lockout /tagout procedures.

1. Remove TOP COVER .
2. Note and disconnect wiring from terminal block and high limit.
3. Squeeze cord grip to remove from panel. Fig. 15
4. Reverse procedure to install.

HIGH LIMIT SWITCH

WARING
Disconnect the electrical power to the machine and follow lockout /tagout procedures.

1. Remove TOP COVER .
2. Note and disconnect wiring.
3. Remove mounting screws for high limit switch (1, Fig. 16). Fig. 16
4. Reverse procedure to install.

TERMINAL BLOCK

WARNING
Disconnect the electrical power to the machine and follow lockout /tagout procedures.

1. Remove TOP COVER .
2. Note and disconnect wiring.
3. Remove terminal block (1, Fig. 17) mounting screws. Fig. 17
4. Reverse procedure to install.

TEMPERATURE PROBE ROTARY CONTROLS

WARNING
Disconnect the electrical power to the machine and follow lockout /tagout procedures.

1. Remove TOP COVER .
2. Disconnect temperature probe at control board connection.
3. Open door.
4. Pull temperature probe out from holder on cavity ceiling. Fig. 18
5. Pull probe (1, Fig. 19) up through grommet in top of cabinet. Fig. 19
6. Reverse procedure to install.

TEMPERATURE PROBE TOUCH CONTROLS

WARNING
Disconnect the electrical power to the machine and follow lockout /tagout procedures.

1. Remove TOP COVER .
2. Note and disconnect temperature probe at control board.
3. Remove mounting screws and pull probe (1, Fig. 20) out. Fig. 20
4. Reverse procedure to install.

COMPONENT COOLING FAN

WARNING
Disconnect the electrical power to the machine and follow lockout /tagout procedures.

1. Remove TOP COVER .

2. Note and disconnect fan wiring to terminal block and control board.

3. Remove fan mounting screws. Fig. 21
   NOTICE
   Note air flow direction on fan when replacing fan. (1, Rotation Fig. 22) (2, Air Flow Fig. 22) Fig. 22

4. Reverse procedure to install.
   NOTE: Use high temp silicone when replacing cover.

CONTROL BOARD

WARNING
Disconnect the electrical power to the machine and follow lockout /tagout procedures.

NOTICE
Certain components in this system are subject to damage by electrostatic discharge (ESD) during field repairs. An ESD kit is required to prevent damage. The ESD kit must be used anytime the circuit board is handled.

1. Remove TOP COVER .

2. Note and disconnect board connectors and wires. Fig. 23
   NOTICE
   For ROTARY controls, continue to Step 3. For TOUCH controls, skip to Step 7.

3. Remove “optional” knob cover if applicable (VBP5 and VBP7). Fig. 24

4. Remove retaining screw in knob. Fig. 25 Fig. 26

5. Remove potentiometer retaining nut. Fig. 27

6. Remove control board mounting nuts. Fig. 28

7. Remove board.

8. Reverse procedure to install.

DOOR GASKET

NOTE: Measure gasket before ordering replacement. Gasket is a separate component from retainer and should be ordered separately from retainer.

1. Open door.
2. Unscrew gasket retainers. Fig. 29
3. Remove gasket (1, Fig. 30) from retainer (2, Fig. 30). Fig. 30
4. Press gasket on retainer while aligning channel. Fig. 31
5. Install retainer with flat side against cavity wall and channel toward inside of cabinet.

DOOR ASSEMBLY

1. Remove door hinge covers (1, Fig. 32) from lower and upper door hinge. Fig. 32
   WARNING
   Remain in control of door when removing hinges.

2. Remove door hinge inside mounting screws from lower door hinge first. Fig. 33

3. Remove door hinge inside mounting screws from upper door hinge while supporting door weight.

4. Lift door assembly from cabinet.

5. Reverse procedure to install.

6. Check for proper operation.

DOOR LATCH (MAGNETIC)

NOTE: Note orientation of door handle before removal.

Fig. 34

Fig. 35

1. Open door.
2. Remove screws securing door latch to door assembly. Fig. 36
3. Reverse procedure to install.
   F45748 Rev. B (0322)

NOTICE
Install handle in the same orientation it was removed. 4. Check for proper operation.

SERVICE PROCEDURES AND ADJUSTMENTS

TEMPERATURE CALIBRATION

WARNING
The warmer and its parts are hot. Use care when operating, cleaning or servicing the oven.

NOTE: Units prior to 1/1/15 can be calibrated, counter clockwise to increase and clockwise to decrease. Screw is located inside stem on the mechanical thermostat. quarter turn is five degrees. Units after 1/1/15 can not be calibrated.

ROTARY CONTROL UNITS
NOTE: Rotary Control Units prior to 1/1/15 can be calibrated. Rotary Control Units after 1/1/15 can not be calibrated. Touch Control Units can be calibrated.

1. Check room temperature.
2. Place temperature probe at the center of the cabinet.
3. Set unit temperature to 145°F.
4. Wait 45 minutes.
5. The temperature setting should be between 138 – 152F°.
6. Set Temperature.
   • Rotary Controls : Locate screw inside stem of mechanical thermostat. Rotate counter clockwise to increase and clockwise to decrease temperature.
   • Touch Controls : Hold down both arrows for 8 seconds. Change offset with the arrows and press temperature button to set.

VERIFY
When using cabinet, frequently opening the door will affect average internal temperature. Modify set temperature as necessary to ensure product is held above appropriate food safe temperature.

HEATER ELEMENT TEST

WARNING
Certain procedures in this section require electrical test or measurements while power is applied to the machine. Exercise extreme caution at all times and follow Arc Flash procedures. If test points are not easily accessible, disconnect power and follow Lockout/Tagout procedures, attach test equipment and reapply power to test.

1. Access the heater element being tested. Refer to: HEATER ELEMENTS.
2. Check resistance.

Heating Elements

Model| Wattage| Voltage| Resistance
all VPT

all VBP

| 1500| 120| 9.6 +/- 10 %
1500| 240| 38.4 +/- 10 %

NOTE: If numbers do not match, replace HEATER ELEMENTS.

ELECTRICAL OPERATION

with metal fan blades.
Controller Board| Controls the temperature, humidity and fan inside the cabinet.
Heating Element – Dry| Heats the air to keep prepared food at the proper serving temperatures.
Component Cooling Fan| Circulates air in the electrical component area.
High Limit| High Limit opens at 375°F.

WIRING DIAGRAM

ROTARY CONTROLS

TOUCH CONTROLS

Production Start 1/10/2022

SEQUENCE OF OPERATION

1. Conditions. F45748 Rev. B (0322)
   • Unit connected to correct voltage and is properly grounded.
   • Power switch is off.
2. Power switch turned on.
   • Relays K1 and K2 are de-energized (contacts N.O.).
   • Controller board performs diagnostic test and verifies temperature input signal is present.
3. Fan relay K2 is energized, K2 contacts close and power the fans.
4. Based on temperature and humidity settings, the board determines whether K1 relay will be energized to power element.
5. Adjust temperature to desired level.
6. Turning power switch off stops heating cycle.

TROUBLESHOOTING

1. Cabinet not connected to power source or circuit breaker tripped.
2. Cabinet lighted power switch not ON or malfunctioning.

Ground Fault Circuit Indicator (GFCI) tripped.|

1. Shorted heating element.
2. Pinched/damaged wiring (heating elements or fan).
3. Damaged power cord.

Cabinet connected to power, switch is ON, circuit breaker is ON but cabinet not heating.|

1. Heating element malfunction.
2. Temperature probe malfunction.

Cabinet not heating properly.|

1. Element wires disconnected from element. Replace wire assembly and element.
2. FOOD COMPARTMENT FAN not circulating air or malfunction.
3.  Door not sealing properly.
4. Temperature probe malfunction.

Fan not operating.|

1. Power not being supplied to fan (malfunction).
2. Fan wiring not connected or malfunction.
3. Fan not circulating air or malfunction.

Moisture present at the top of the cabinet near the control board.| COMPONENT COOLING FAN malfunction.
Corrosion present inside cabinet.|

1. Periodic cleaning needed. Refer to Operations manual.
2. Hardware has rusted. Replace rusted hardware with 18-8 stainless steel components and replace FOOD COMPARTMENT FAN.

References

• Vulcan Commercial Kitchen Equipment | Cooking Appliance Manufacturer

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