Skip to main content

CO2 Regulator Remove and Replace, CT 1.5 (Compact Chiller)

Updated

Overview:

This guide provides the steps to remove and replace the CO2 Regulator Assembly (FRU P/N #720-0320) from the compact chiller for a Bevi Countertop 1.5.

In this article (click to jump)

Required Tools & Parts

  • P/N #720-0320 - FRU - CO2 REGULATOR, 0.25", 64 PSI
  • #2 Phillips Screwdriver
  • 1-1/8" OR Adjustable Wrench
  • Small bucket or container
⏱️ Estimated Replacement Time: 15 minutes.

Remove and Replace Procedure

Task 1: Depressurize the CO2 system.

  1. Close the valve on the CO2 tank by turning the valve clockwise until it stops.
  2. Release the CO2 pressure from the regulator and CO2 line.
    • Pull the ring on the CO2 regulator until gas stops coming out.

Task 2: Remove the CO2 Regulator.

  1. Power off the chiller.

  1. Unclip the tank strap securing the CO2 tank and remove the tank from the cabinet.
  2. Using either an adjustable wrench or a 1-1/8 inch wrench, loosen the nut on the regulator counterclockwise to disconnect the regulator from the CO2 tank.

  1. Remove the CO2 panel from the top of the compact chiller.
    1. Using a #2 Phillips screwdriver, loosen the two captive screws securing the panel.
    2. Lift the panel up on the front of the panel and remove, then place to the side.

  1. Disconnect the CO2 tube from the push to connect fitting on top of the chiller.
    1. If present, move the red locking clip and disconnect the 1/4" stem elbow from the fitting.
    2. Do not disconnect the tube from the elbow fitting, as it will be replaced with the new regulator.

  1. Disconnect the high side CO2 sensor cable from the compact chiller.
    1. There is a lock latch on the CO2 sensor connector.
    2. Depress the lock latch to disconnect the cable from the connector.

  1. Once the old regulator has been removed, set it to the side.

Task 3: Install the new CO2 Regulator.

  1. Unbox the new regulator.
  2. Place a new CO2 washer in the threaded connection of the new regulator.

  1. Thread the regulator nut clockwise onto the CO2 tank, ensuring the washer is seated between the regulator and tank connection.
  2. Using a 1-1/8" wrench or comparable adjustable wrench, fully tighten the regulator nut to the tank.
  3. Place the CO2 tank back into the cabinet, and secure in place using the CO2 tank strap.
  4. Connect the high side CO2 sensor cable to the chiller.
    1. Connect the sensor cable to the connector inside the CO2 Panel.
      • NOTE: Ensure connector latch is facing upward.

high side co2 switch cable connect latch ct compact chiller.png

  1. Connect the 1/4" PTC elbow of the CO2 Line Extension to the PTC fitting on the top of the chiller.

  1. Reinstall the CO2 panel onto the compact chiller.
  2. Open the CO2 cylinder tank by turning the valve 1 full turn counterclockwise.
    1. Ensure there are no leaks from the CO2 connections.
    2. If there are any leaks, double check all tubing connections are fully seated into the push-to-connect fittings.
    3. If there is a leak between the CO2 regulator and tank connection, ensure there is a washer installed, and the regulator nut is properly tightened to the tank.

Task 4: Purge the Carbonator.

  1. Power on the chiller.
  2. Navigate to the Troubleshooting Tools screen.
    1. Touch the service icon in the upper left corner.
    2. Touch "Start Service"
    3. Enter the PIN to access the service panel.

ct 1.5 enter sp service panel.png

  1. On the left side of the screen, touch "Machine Alerts".
    • Touch "Troubleshooting Tools"

enter TT CC compact chiller CT 1.5

  1. Turn off the water supply to the compact chiller.
  2. Close the buffer tank.
    1. Open the access panel on the front of the chiller.
    2. Turn the buffer tank valve to the closed position.

buffer tank filter flush panel both closed no marking ct cc compact chiller.png

  1. From the Troubleshooting Tools menu, pour sparkling water until only CO2 gas is dispensing from the nozzle.

  1. Turn the water supply back on, and open the buffer tank.
    1. Once the buffer tank is open, close the access panel.
    2. NOTE: Confirm that the Filter Flush valve is in the closed position.

bt open buffer tank valve ct compact chiller cc.png

  1. Pour sparkling water for 5-10 seconds, then stop to allow the carbonator to refill.
    • Repeat this step until the carbonator is full.
  2. Ensure the carbonator is full.
    • In the Data section, confirm that Carbonator Full reads "YES".

  1. Test the sparkling water to confirm proper carbonation.
bevi droplet favicon.png If you have any questions or need further assistance, please contact Bevi Technical Services at support@bevi.co, or call our support line at 866-704-2384 (BEVI)