Culligan
Aquasential Smart HE Water Softener Owner’s Guide PDF
Linked from Culligan’s own product manuals index.
There is no such thing as “the Culligan settings”. The eight owner’s guides read for this page describe four different keypads, different menus and different documented defaults — and several of the numbers people go looking for are assigned by the dealer at installation, not left to the owner. This page tells you which controls your family actually has, what each one means, and which ones are not yours to set.
Pick the family. Each control is marked as documented for the owner, set by the dealer at installation, or not documented in that guide at all.
Culligan does not publish one control layout, one settings list or one error vocabulary across its residential softeners. Eight owner’s guides were read for this page and they genuinely differ. Until the family is known there is nothing safe to tell you that is more specific than the manufacturer’s own generic advice.
Before any setting makes sense you need to know which control you are standing in front of. These descriptions come from each family’s own Menu Navigation section.
| Family | How to recognise it | Buttons |
|---|---|---|
| Aquasential Smart HE | A four-button keypad — up, down, a check mark and a cancel X — with a menu on the display, and app connectivity. | Four buttons: up and down scroll the menu, the check mark selects or accepts, cancel goes back or discards. |
| Aquasential Select Plus / Select Series | A keypad whose buttons advance the timer through display options and initiate a regeneration, rather than scrolling a menu. | Advance through display options, initiate a regeneration, decrease and increase the setting. |
| High Efficiency (HE) | A menu-driven display that can show the words PROBLEM FOUND or SYSTEM OK. | Menu and keypad navigation, with a Set Date and Time section and an Information menu. |
| HE 1.25" | As the HE, with a 1.25-inch valve. The guide is a separate document. | Menu and keypad navigation, with Set Date and Time and an Information menu. |
| Grey High Efficiency | The four-button menu keypad, on a grey cabinet, paired with the Culligan Connect app. | Four buttons: up, down, check mark, cancel. |
| Medallist Series | A keypad with a Status key and plus/minus keys. | Status key plus minus and plus keys. |
| Gold Series | A control with a Program key. This is the family whose display shows numeric ERR codes. | Accusoft Plus microprocessor with a Program key. |
| Aquasential Advantage | A keypad with a dedicated Wi-Fi button alongside the check mark and arrows. | Check mark, up, down, cancel and a Wi-Fi button. |
Of the eight guides, the Aquasential Select Plus and Select guide is the one that prints a settings table with ranges and defaults:
| Setting | Range | Default |
|---|---|---|
| Time of Day | 12:00 AM to 11:59 PM | 12:00 PM |
| Time of Regeneration | 12:00 AM to 11:30 PM | 2:00 AM |
Those two defaults belong to that family. They are printed here with the family attached precisely so they are not mistaken for a Culligan-wide value — no other guide read for this page publishes them, and we did not find any Culligan document that publishes a cross-family settings list.
The Aquasential Smart HE guide states that the Salt Economizer is set at the time of installation and determines salt usage from water hardness, the number of people in the household and water usage.
That is the documented reason this site will not hand you a salt dosage figure for a Culligan. The manufacturer assigns it at installation from data about your specific installation. A number derived from a city, a household size and a hardness reading would be our invention dressed up as a manufacturer setting — and it would be the sort of thing this site exists to avoid.
The same reasoning applies to capacity. Where a family’s guide exposes a value to the owner, the selector above says so; where it routes the value to the dealer, it says that instead.
The Select Plus and Select guide lists five conditions: the flow meter recording a set number of gallons; the preset time once days without regeneration equal the Timeclock Backup setting; the preset time after the bottom-right keypad button is pressed once; immediately when that button is held for three seconds; and immediately when power has been off more than three hours and the time has been restored.
The Aquasential Advantage guide lists six, adding named Regen Tonight and Regen Now selections and a Day-of-Week regeneration setting the Select Plus list does not contain. Same manufacturer, different answer to “how do I make it regenerate”.
On the Smart HE, which mode the unit is in changes what a delayed regeneration even means. Its guide documents Water Meter, Aqua-Sensor, Predict and Pre-Rinse modes — and in Predict mode the control deliberately waits another 24 hours when average daily use is below the reserve. A unit doing that is working as designed, not failing.
And on the Grey HE, the guide sends you to the Culligan Connect app to update the date or time. The Smart HE guide does not say this in its equivalent section, which is a small but concrete illustration of why one family’s procedure should not be followed on another.
Each was read in full on 4 September 2026. Every family-specific statement above names the guide it came from, and the page numbers quoted are the printed page in the guide's footer.
Culligan
Aquasential Smart HE Water Softener Owner’s Guide PDF
Linked from Culligan’s own product manuals index.
Culligan
Aquasential Select Plus / Select Series Softener Owner’s Guide PDF
Culligan
Culligan
HE 1.25" Water Softener Owner’s Guide PDF
A separate document from the 1" HE softener guide. The valve size differs.
Culligan
Culligan
Culligan
Culligan
Aquasential Advantage Whole Home Water Softener Owner’s Guide PDF
Culligan
Culligan’s own index, grouped by product family. Start here if your Culligan unit is not one of the families listed below.
Each link goes to the manufacturer or organisation that published it. We do not host copies.