Bunn 34766.0000S manual Selecting the Correct Pump Tubing, Dispense, Rate, Oz/sec 16 I.D. Tubing

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SELECTING THE CORRECT PUMP TUBING

There are two pump tube sizes available for use with this dispenser. To determine the correct tubing for you application, first determine the dispenser flow rate you intend to use, refer to Setting Dispenser Flow Rate. Then look up the recommended tube size for the mix ratio of your concentrate, refer to the Tube Selection Chart.

 

 

 

 

 

 

TUBE SELECTION CHART

 

 

 

 

 

 

 

 

 

 

Dispense

Concentrate Ratios

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Rate

25

30

35

40

45

50

55

60

65

70

75

 

80

85

90

 

95

100

 

1.8 Oz/sec.

3/16” I.D. TUBING

 

 

 

 

1/8” I.D. TUBING

 

 

 

 

 

 

(53 ml/sec.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2.5 Oz/sec.

3/16” I.D. TUBING

 

 

 

 

 

 

 

1/8” I.D. TUBING

 

 

 

(74 ml/sec.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Examples:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.For a Dispenser Flow Rate of 2.5 Oz./sec (74 mL/sec) and a Mix Ratio of 35:1 – use 3/16” I.D. Tubing.

2.For a Dispenser Flow Rate of 1.8 Oz./sec (53 mL/sec) and a Mix Ratio of 60:1 – use 1/8” I.D. Tubing.

Tube kits can be purchased from BUNN-O-MATIC.

Part # 34727.1000 for 3/16” I.D. Tubing or #34728.1000 for 1/8” I.D. Tubing.

INSTALLING THE PUMP TUBING (Refer to the Tubing Installation Instructions in side the cabinet door for details.)

1.Loosen the thumbscrew securing the tubing retainer plate to the pump housing. Set it and the retainer plate aside.

2.Depress the tension screw and remove it from the notch in the pump body, releasing the spring tension on the pump band.

3.Apply lubricant (BUNN-O-MATIC part number M2531.0001) to the new pump tubing.

4.Insert the tubing onto the mix chamber port and wrap the tubing around the pump rotor, making sure that the elbow and clamps end up on the bottom side of the pump body.

5.Close the compression band reinsert the tension screw into the notch in the pump housing.

6.Replace the tubing retainer plate and tighten the thumbscrew.

7.Reconnect bag connector to the product box.

8.Repeat steps 1 through 7 for the other pump.

9.Prime the pumps. Refer to Priming the Concentrate Lines section.

Thumbscrew

 

 

 

 

 

 

 

 

 

 

 

 

 

Tension

 

 

 

 

2.0”

 

 

 

 

 

2.0”

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Screw

 

Lubricate between arrows

 

 

Remove Retaining Plate Release Spring Tension

Remove Tubing

 

 

Lubricate New Tube

Tension Screw

 

Tube Clamp

 

Install New Tubing

Completed Installation

8

34766 112502

 

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Contents Post Office BOX SPRINGFIELD, Illinois Phone 217 529-6601 FAX 217BUNN-O-MATIC Commercial Product Warranty Contents IntroductionUser Notices 00656.000137881.0000 28181.0003 11646.0002 40054.0000Field Wiring Terminal Block Diagram Models without Master ON/OFF SwitchModels with Master ON/OFF Switch Electrical RequirementsPlumbing Requirements Initial SET-UPElectrical HOOK-UP Plumbing HOOK-UPReprogramming the Dispenser Flow Rate Setting Dispenser Flow RateRemoving the restrictors Selecting the Correct Pump Tubing DispenseRate Oz/sec 16 I.D. TubingOperating Controls and Interface 1513Initial Fill & Heat Alarm Mode FlavorGard FeatureRinse Alarm Feature BIB Empty Lockout Feature Brew Temperature Lockout FeatureProgramming the Dispenser Menu Screen Action Description Tank Temp351 + Exit 3/16LF Disp Volume RT Disp VolumeMenu Screen Lock Flavor ? Exit YES Flavors Locked 0oz +Menu Screen Tank Temp Exit +Ready Temp Cabinet TempMenu Screen Rinse Time ? 12 Hrs +Action Description CAL Left Pump ? Pull DispenseMenu Screen Action CAL Right Pump ? Pull DispenserCAL RT WTR Flow Pull Dispenser CAL Right Side ? Exit YESWTR Start Delay WTR Stop DelayTest LED’S ? No Exit YES Test Switches ? Test Refill ? Exit YESLoading the Concentrate Priming the Concentrate LinesOperating the Pull & Hold Dispenser Filling Cambros or other large containersOperating the Preset Portion Control Dispenser Models LCA-2 PC, LCA-2C PC, LCA-2A PCCleaning & Preventative Maintenance General Cleaning and Sanitizing Procedures Daily RinsingDaily Parts Washing Weekly SanitizingPreventive Maintenance Replacing the Pump TubingDraining the HOT Water Tank Front Panel LED Display Messages TroubleshootingPower LED OFF Internal Fault Left Refill LED onConcentrate BIB is Empty Empty BIB WarningTroubleshooting Dispenser Diagnostics-LCD Display Possible CauseScreen Displayed Possible Cause Left Pump Fault CHK Pump WiringCHK RPM Sensor CHK Tubing Area RT Pump Fault CHK RPM Sensor CHK Tubing Area Cooler FaultCalibrating the Left Side Dispenser Field Calibrating the Hot Water Flow Rate Oz/sec 53 ml/sec w/ flow restrictorOz/sec 74 ml/sec w/o flow restrictor Calibrating the Right Side DispenserField Calibrating the Empty BIB Warning Calibrating The Empty BIB ThresholdVolts AC 2 Wire Schematic Wiring Diagram LCC-2A/LCA-2A/LCA-2A, PC

34766.0000S specifications

The Bunn 34766.0000S is a commercial-grade coffee maker that stands out for its efficiency and precision in brewing. Designed for high-volume environments such as restaurants, cafes, and offices, this coffee brewer is engineered to deliver a consistent and robust coffee flavor with every brew.

At the heart of the Bunn 34766.0000S is its unique brewing system, which employs a patented technology to optimize extraction. This system ensures that water is heated to the ideal temperature, usually around 200°F, for optimal flavor extraction from coffee grounds. The precise temperature control is essential in commercial settings, where the quality of coffee can significantly affect customer satisfaction.

The Bunn 34766.0000S features a stainless steel construction, which not only enhances its durability but also allows for easy cleaning and maintenance. The sleek design fits comfortably in any kitchen setting, and its compact size makes it suitable for countertops with limited space. With a 12-cup capacity, this machine is capable of producing multiple pots of coffee quickly, ensuring that demand is met during peak hours.

One of the standout features of the Bunn 34766.0000S is its Smart Brew technology. This innovative feature allows for customizable brewing settings, enabling users to adjust brew strength and flavor profiles according to their specific preferences. The machine includes a programmable timer, which can be set for automatic brewing, a significant advantage for businesses that require coffee to be ready at specific times.

Additionally, the Bunn 34766.0000S comes equipped with a built-in water tank, which keeps water at the optimal brewing temperature for instant coffee production. This feature minimizes waiting times and ensures that coffee is always fresh.

In terms of safety, the Bunn 34766.0000S is fitted with an advanced safety shut-off mechanism to prevent overheating and ensure that the machine operates within safe temperature limits. This reliability is crucial for busy establishments where operational efficiency is paramount.

In summary, the Bunn 34766.0000S is an exceptional choice for businesses looking for a dependable, high-quality coffee brewing solution. It combines innovative brewing technologies, user-friendly features, and a robust design to meet the demands of any commercial environment, making it an indispensable tool for serving delicious coffee consistently.
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