Selecting The Correct Pump Tubing - Bunn LCA-2 LCC-2 Installation And Operating Manual

Bunn lca-2 lcc-2

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Table Of Contents

Table of Contents

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.

Dispense

Concentrate Ratios

Rate

1.8 Oz/sec.

3/16" I.D. TUBING

(53 ml/sec.)

2.5 Oz/sec.

3/16" 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 M2548.1000) 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

Remove Retaining Plate