Bunn TB3Q-LP service manual Volts AC Wire Single Phase

Page 26

SCHEMATIC WIRING DIAGRAM TB3Q

 

 

(OPTIONAL)

 

 

 

 

READY INDICATOR

GREEN

 

 

BLU/BLK

BLK

 

N

L1

 

 

 

 

LIMIT

SW. & THERMOSTAT

 

 

THERMOSTAT

 

 

 

 

BLK

TANK HEATER

WHI

BLK

 

 

BLU/BLK

 

 

 

 

WHI

 

 

 

 

WHI

SW1

 

 

"KEEP WARM HEATER"

WHI

 

 

 

 

 

BLK

 

WHI/VIO

SOL

 

WHI

 

 

 

 

 

 

1

WHI/VIO

 

 

SW2

 

 

 

 

 

WHI

 

 

 

BREW

2

 

 

 

WHI/ORA

 

 

 

3

 

 

 

TIMER

WHI/GRN

 

 

 

4

 

 

 

 

WHI/YEL

 

 

 

 

5

 

 

 

 

 

 

 

 

120 VOLTS AC

2WIRE

SINGLE PHASE

37234.0001A 08/04 © 2004 BUNN-O-MATIC CORPORATION

SCHEMATIC WIRING DIAGRAM TB3Q

W/SWEETENER

 

 

(OPTIONAL)

 

 

 

 

 

 

READY INDICATOR

 

 

 

L1

 

BLU/BLK

BLK

 

GREEN

N

LIMIT

THERMOSTAT

 

 

 

 

 

 

 

THERMOSTAT

 

 

 

TANK HEATER

 

BLK

BLU/BLK

 

 

BLK

WHI

 

 

 

WHI

 

 

 

"KEEP WARM" HEATER

WHI

 

 

 

 

 

UNSWEET/OFF/SWEET

WHI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BREW

 

BLK

WHI/VIO

 

 

SOL

WHI

 

 

WHI/VIO

START

 

1

 

 

 

 

 

 

 

 

WHI

 

 

 

 

 

2

 

 

 

 

BREW

WHI/ORA

 

 

 

 

3

 

 

 

 

TIMER

WHI/GRN

 

 

 

 

4

 

 

 

 

 

5

WHI/YEL

 

 

 

 

 

SWTNR

 

 

 

 

 

 

 

 

 

 

BRN/WHI

 

SOL

WHI/VIO

 

 

 

 

 

 

 

 

 

WHI/GRN

 

 

 

 

120 VOLTS AC

37234.0002A 08/04 © 2004 BUNN-O-MATIC CORPORATION

 

2 WIRE

SINGLE PHASE

 

 

 

 

 

Page 26

37236 080504

 

Image 26
Contents TB3Q TB3Q-LP Phone 217 529-6601 FAX 217Introduction ContentsBUNN-O-MATIC Commercial Product Warranty #06064.0000 User Notices#37881.0000 #32540.0000Proceed as follows Electrical RequirementsPlumbing Requirements Electrical Hook-UpInitial SET-UP Centrate Machines will Yield only 76 OZAuto Sweetener SET-UP Adjusting Brew Volumes Operating Controls CleaningAuto Sweetener Cleaning TEA Brewing Troubleshooting Problem Probable Cause RemedyProbable Cause TroubleshootingProblem RemedySweetener is not working Sweetener box is empty Drip-out time too long Funnel TipTicles clogging the drip-out tip Sure it is not out of productSyphon System Lime Build-up Brew TimerDripping from sprayhead Beverage overflows dispenser Brew Solenoid ValveProblem Probable Cause Remedy Service Component AccessBrew Solenoid Valve ServiceTest Procedures Disconnect the brewer from the power source Solenoid valveDigital Brew Timer If voltage is as described, proceed to #7Service Digital Brew Timer Digital Timer WiringControl Thermostat Control ThermostatRemove the blue/black wire from the limit ther- mostat Limit ThermostatSwitch terminals ON/OFF SwitchRefer to when reconnecting the wires Location On the switch terminalStart Switch Start SwitchUNSWEET/OFF/SWEET Switch Sweetner Option Sweetner Solenoid Valve Sweetner Solenoid ValveTank Heater Volts AC Wire Single Phase Volts ACSchematic Wiring Diagram TB3QA
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TB3Q, TB3Q-LP specifications

The Bunn TB6Q, TB3-LP, TB6, TB3Q, and TB3Q-LP coffee brewers are a popular series of commercial machines designed for high efficiency and optimal performance in busy environments such as cafes, restaurants, and offices. These machines are crafted with a focus on quality, dependability, and advanced brewing technology to deliver a superior coffee experience.

One of the standout features across the Bunn TB series is the ability to brew large quantities of coffee quickly. The TB6Q, for instance, can brew up to 6 gallons of coffee per hour. This high volume brewing capability ensures that establishments can keep up with demand, especially during peak hours. Additionally, the machines come with a unique design that incorporates a pre-infusion feature, allowing for the coffee grounds to be evenly saturated before brewing begins, enhancing the flavor extraction process.

The TB3-LP model is designed for low-profile applications where counter space may be limited. Despite its compact design, it still offers impressive performance, brewing up to 3.8 gallons per hour. The low-profile feature makes it an ideal choice for settings that require efficiency and space optimization without compromising on the quality of the brew.

Another notable member of the series, the TB3Q and TB3Q-LP, feature a quick brew ratio, allowing users to brew up to 3 gallons of coffee in just a few minutes. These models are equipped with easy-to-use controls for simplified operation, making them perfect for staff training and user accessibility.

All models in the TB series include a hot water faucet, allowing users to dispense hot water for tea or other hot beverages quickly. This versatility adds significant value, especially in multi-beverage settings.

Regarding durability, the Bunn TB series is constructed with high-quality materials, ensuring longevity and reliability. The machines also feature internal components that are easy to access for maintenance, thus reducing downtime and improving the overall efficiency of the machine.

In terms of technology, these brewers often incorporate advanced diagnostics to promptly identify service needs or issues. The machines come with a precise brewing temperature control system that ensures each cup is brewed at the optimal temperature for maximum flavor extraction.

Overall, Bunn's TB6Q, TB3-LP, TB6, TB3Q, and TB3Q-LP coffee brewers represent the culmination of advanced brewing technology and practical design for commercial coffee solutions. Their efficiency, quality, and ease of use make them a staple in many establishments, solidifying Bunn's reputation as a leader in the coffee brewing industry.