Culligan International Water Softener CSM-150-2

Warning: This procedure requires trained personnel with PPE!

Is the water softener in daily use?

If the water supply contains iron, regenerate the softener before sanitizing to remove iron from the resin.

CAUTION! HAZARD FROM TOXIC FUMES! CHLORINE BLEACH AND COMMON IRON CONTROL CHEMICALS MAY GENERATE TOXIC FUMES WHEN MIXED.

IF THE UNIT USES CULLIGAN SOFNER-GARD® OR OTHER COMPOUNDS CONTAINING SODIUM HYDROSULFITE, SODIUM BISULFITE, OR ANY OTHER REDUCING AGENT, DISCONNECT THE DEVICE FEEDING THE CHEMICAL(S) AND MANUALLY REGENERATE THE UNIT BEFORE SANITIZING.

DO NOT USE THIS PROCEDURE IF THE SOFTENER SALT CONTAINS IRON CONTROL ADDITIVES.

Amount of household bleach poured into the brine chamber

Upload a photo of the clean-out plug before removal

Clean-out plug removed and flow washer area inspected

Upload a photo of the flow washer area (Figure 108)

Foreign material removed from the flow washer(s) (Figure 109)

NOTE: AVOID USING A SHARP OBJECT WHICH MIGHT CUT OR DAMAGE THE RUBBER FLOW WASHER(S).

Was it necessary to remove the Backwash Flow Control nipple?

Upload a photo of the disconnected flexible tubing from the compression fitting

Nipple separated from both the drain line and the Brunermatic valve (Figure 110)

Upload a photo of the inspected and cleaned flow washer(s) (Figure 111 and Figure 112)

Warning: This service requires trained personnel with PPE!

Is the Backwash Flow Controller plugged with scale, rust, or other foreign material?

If the Backwash Flow Controller is not plugged, report the status to the maintenance team and stop the procedure

Was the cleaning of the Backwash Flow Controller successful?

Enter the backwash flow rate after cleaning

Sign off on the Backwash Flow Controllers Service

NOTE The cam gear is designed to only be installed one way onto the pilot valve spool.

The flat portion of the pilot valve spool must align with the flat side of the cam gear’s pilot receptacle. When properly positioned, the cam will snap into place on the pilot valve spool.

Replace the pilot drive motor assembly making certain that the gears are properly engaged. Securely tighten the three screws.

When installing the replacement pilot valve body to the bottom of the MVP enclosure, make certain the word POSITION faces the left side when viewed from the front. Securely tighten the two panhead machine screws with nuts removed in step 4 of the 'Pilot Valve Assembly Removal' on page 72.

Reconnect the four quick connect wire leads to the appropriate microswitches and the motor leads to the primary circuit board.

Reconnect the pilot valve tubing to the pilot valve body.

NOTE Refer to the appropriate tubing diagram located in this manual.

Slowly open the manual inlet isolation valve.

Slowly manually rotate the position dial clockwise back to position #1 allowing water to flow to the drain. Bleed the air from valves 1 and 4 of the Brunermatic valve. Allow Backwash to continue for 10 minutes.

Close the manual inlet isolation valve, the manual outlet isolation valve, the manual brine valve, and any external source of pressure to the pilot valve assembly

Depressurize the system following the instructions on page 65

Disconnect the power to the MVP controller

Manually rotate the position dial on the pilot valve clockwise to position #1 to relieve pressure. Allow the flow of water to drain to stop

Remove the panhead retaining screw located at the bottom front portion of the pilot valve body. Grasp the position dial and pull the pilot valve spool assembly from the pilot valve body

Using a screw driver, gently pry the retaining clip off of the pilot valve spool

LIGHTLY lubricate all seals on the replacement pilot valve spool with Dow Corning #11 silicone grease and assemble the position dial onto the pilot valve spool assembly

Insert the new pilot valve spool assembly into the pilot valve body. Make sure that the #1 on the position dial aligns with the pilot valve body position indicator arrow

Replace the small panhead retaining screw to secure the pilot valve spool assembly into the pilot valve body. Open the manual inlet isolation valve