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BWT Perla Silk M - User Manual

BWT Perla Silk M
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Installation and operating manual EN
BWT Perla
silk
S, M, L, XL
For You and Planet Blue.
Important notice: Always keep the fi tting and operating instructions
close at hand to avoid any mistakes and before carrying out any
work on the device you should read the fi tting and operating
instructions carefully and follow them. While our data sheets and
brochures should provide advice to the best of our knowledge, the
content thereof is not legally binding.
EU-OPM / 2019-07 / © BWT UK Ltd. Changes of technical details are reserved

Questions and Answers

  • M
    Michael PerezAug 19, 2025
    How to fix my BWT Perla Silk M regenerating at the wrong time?
    • S
      stacey69Aug 19, 2025
      If your BWT Water Dispenser regenerates at the wrong time, check if the present time is correct and reset it if necessary.
  • E
    Eric MillerAug 21, 2025
    What to do if my BWT Perla Silk M electronic display shows error code “SALt”?
    • W
      wschneiderAug 21, 2025
      If your BWT Water Dispenser's display shows the error code “SALt” and an audible alarm sounds, fill the brine cabinet with salt. Then, press the [SET] key to reset the salt alarm to the full capacity of salt.
  • D
    David MitchellAug 23, 2025
    What to do if my BWT Perla Silk M electronic display shows error code “Err 1”?
    • J
      Jamie GarzaAug 23, 2025
      If the display shows error code “Err 1” and an audible alarm sounds, check that all the connections are secure. Turn the power off for 15 seconds until PF is no longer displayed, then turn it back on to allow the system to reset.
  • M
    Molly AtkinsAug 26, 2025
    Why does my BWT Perla Silk M unit regenerates at the wrong time?
    • J
      James MillerAug 26, 2025
      If your BWT Water Dispenser regenerates at the wrong time, check if the present time is correct and reset it if necessary.
  • B
    bmyersAug 28, 2025
    How to fix hard water from my BWT Water Dispenser?
    • K
      kevinsmithAug 28, 2025
      If the water from your BWT Water Dispenser is still hard, make sure to fill the brine cabinet with salt. Also, switch the power on and check the connections, or change the battery if it's battery operated. Ensure that the by-pass valve is closed and the inlet and outlet valves are open, or operate uniconnect. If needed, reset the hardness setting.
  • K
    Kristin LeonAug 30, 2025
    What to do if the water level in my BWT Perla Silk M's brine cabinet overflows?
    • A
      Aimee ClarkAug 30, 2025
      If the water level in the brine cabinet of your BWT Water Dispenser is overflowing, first check if the line pressure is within the specified range of 1.7 - 5.0 bar for UK by connecting a pressure gauge to a water outlet. If the pressure falls outside this range, install a pressure reducing valve or booster pump as needed. Also, inspect the drain line to ensure it is not kinked, blocked, or frozen. Finally, check that the power is on and connections are secure, especially after a power interruption.
  • W
    William DavisSep 2, 2025
    Why is my BWT Perla Silk M constantly draining water?
    • L
      Linda MedinaSep 2, 2025
      If water constantly runs from the drain of your BWT Water Dispenser, check if the unit is in recharge mode; if so, this is normal, and you should wait until the recharge is complete. Otherwise, ensure the power is on and all connections are secure, or replace the battery if it's battery operated.
  • T
    Theresa ScottSep 4, 2025
    What to do if my BWT Water Dispenser has no water coming out?
    • C
      Cindy KingSep 4, 2025
      If there is no water coming from your BWT Water Dispenser, first, open the mains stop valve. Then, open the inlet and outlet valves to the water softener, or operate uniconnect.
  • D
    Danielle JohnsonSep 6, 2025
    What causes excessive salt usage in my BWT Perla Silk M Water Dispenser?
    • J
      Jonathan AyalaSep 6, 2025
      If your BWT Water Dispenser is using excessive salt, reduce the hardness setting if it is incorrect.
  • D
    Debra GibsonSep 8, 2025
    What to do if my BWT Perla Silk M water level in brine cabinet reaches overflow?
    • S
      Stephen HoffmanSep 9, 2025
      If the water level in your BWT Water Dispenser's brine cabinet is overflowing: * Check if the line pressure is within the water softener's specification by connecting a pressure gauge to a water outlet. Ensure the pressure is between 1.7 - 5.0 bar for UK. * If the pressure falls outside the specification, fit a pressure reducing valve or booster pump. * Inspect the drain line to ensure it is not kinked, blocked, or frozen. * Verify that the power is on and all connections are secure.

Summary

1. Introduction

1.3 Safety Instructions

Crucial safety advice covering electrical, temperature, and general operational hazards.

1.4 Intended Use

Defines the product's intended domestic water softening purpose and warns against misuse.

2. Quick Set Up Guide

2.1 Display and Controls

Explains the functions of the softener's display screen and its four control buttons.

2.3 Programming Procedure

Setting the Time of Day

Step-by-step instructions for accurately setting the current time on the device.

3. Installation

3.4 Installation Layout

3.5 Technical Overview

Installing Your Softener

4. Operation

5. Maintenance

6. Fault Finding

6.1 Trouble Shooting Guide

Provides a checklist for common problems (hard water, overflow, no water) with corresponding solutions.

7. Technical Data

7.1 S; S Bio Specifications

Detailed technical specifications for the BWT Perla Silk S and S Bio models.

7.2 M; M Bio Specifications

Detailed technical specifications for the BWT Perla Silk M and M Bio models.

7.3 L; L Bio Specifications

Detailed technical specifications for the BWT Perla Silk L and L Bio models.

7.4 XL; XL Bio Specifications

Detailed technical specifications for the BWT Perla Silk XL and XL Bio models.

BWT Perla Silk M Specifications

General IconGeneral
BrandBWT
ModelPerla Silk M
CategoryWater Dispenser
LanguageEnglish

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