BWT MONO SOFT

Product Description

The BWT MONO SOFT water softener is a device designed to soften mains water for various applications. It features a plastic container with a removable lid that holds salt for regeneration. Inside, a cylinder is filled with ion exchange resin media. The resin's capacity is limited and depends on the general hardness of the mains water. Regeneration is necessary when the resin loses its effectiveness. A non-electric control head manages regeneration based on the set water hardness. During regeneration, mains hard water is supplied if water is needed.

Safety Instructions

Intended Use

The softener is designed for softening mains water in multiple applications, focusing on rigidity and reliability, suitable for commercial applications. The water to be treated must be microbiologically safe.

Safety Instructions for Maintenance and Repairs

• Maintenance and repairs should only be performed by a qualified installer or technician.
• Faulty maintenance or repairs can lead to incorrect operation.
• Only original spare parts should be used for maintenance and repairs.

General Safety Instructions

• Carefully read all safety and operating instructions provided. Keep them for future reference.
• Failure to follow safety and operating instructions will forfeit all liability and warranty claims.
• Only operate the softener after reading and understanding these instructions. Contact technical support for any questions.
• Operate the softener only as described in these instructions.

Setting Up and Connecting

Installation Site Requirements

• The installation space must be frost-free or the softener protected from frost.
• A waste-water drain and access to an overflow must be available near the installation point. The overflow pipe must not be higher than the softener's side overflow.
• Ensure the unit is placed on a flat surface.
• The softener is preferably installed on the floor. If installed on a base, ensure it is secure as it rests on wheels.
• Adequate space is required for the lid to be removed for refilling regeneration salt.
• Water supply and outlet connections are shown in the connection diagram.
• All local regulations must be adhered to.
• The resin in the softener is pre-charged and ready for use.
• Water pressure must be between a minimum of 2 bar and a maximum of 8 bar. A pressure reducing valve is required if pressure exceeds 8 bar.

Unpacking

• Remove the softener from the box, ensuring all parts are included (refer to Section 8).
• Remove the lid and any cardboard packing.

Typical Installation

A typical installation includes the following components. Your installation may vary based on local regulations. Refer to Section 9 for the general installation schematic.

1. A non-return valve may be required on the water main supply to the softener.
2. A pressure regulating valve may be required on the water supply to the softener.
3. A drain line from the softener must be plumbed through an appropriate air gap.
4. A bypass valve must be installed for service and maintenance.

Installation Instructions

Locate

• Determine the installation location, ensuring the unit is on a flat surface.
• If sited in a warm environment or near a heat-generating appliance, salt build-up may occur inside the cabinet and lid. Clean periodically with water and a wet rag, or site the unit in a cooler, ventilated position.
• If sand, silt, or turbidity is present in the water supply, a separate prefilter should be installed.

Test Pressure

• Test incoming pressure; it should be a minimum of 2 bar. A pressure limiting valve is required if the pressure exceeds 8 bar.
• Ensure the minimum pressure remains consistent, even during full operation at the installation site.

Install

Plumb pipe work as necessary to accommodate a bypass valve (see Section 9).

CAUTION: Do not solder any fitting while connected to the unit adaptors. Excessive heat can damage plastic and rubber parts. Soldering materials may attack certain plastics. Ensure solder and flux do not contact media tanks, the control module, or related plastic components during installation.

NOTE: Verify that the installation complies with local regulations before proceeding.

Flush

After all plumbing is completed, but before connecting the water softener, flush both inlet and outlet lines to rinse out any debris.

Connect Adapters

• Install the o-rings onto the adapters and grease them with silicone.
• Connect the inlet/outlet adapters to the hoses before fitting them into the control valve.
• Install adapters into the control valve's in/out ports, ensuring they are fitted into the correct openings (refer to arrows on the valve). Install the retaining bracket and pin to the control valve.

Drain Line

• Run a drain line to a discharge point, checking for obstructions or kinks.
• Push the drain line onto the barbed fitting, ensuring it is tight.

Overflow Line

An overflow line must be attached to the barbed fitting on the side of the cabinet. This line serves as protection against water flowing over the sides of the cabinet onto the floor in case of malfunction.

⚠️ NOTE: Drain and overflow lines should not exceed 2 meters in length and must not be kinked.

Installation Review/Commissioning

Test Pressure

Test incoming pressure; it must be a minimum of 2 bar. Adjust the pressure limiting valve if the pressure is above 8 bar.

Test Incoming Hardness

Using a hard water test kit or information from your water board, note the incoming Total Hardness (as CaCO3).

Secure Drain Line

Ensure the drain line is secure, uses an airgap, and is fully compliant.

Setting the Brine Valve

• Remove the brine valve.
• Ensure the distance between the bottom of the float cup and the bottom of the valve is 124 mm.
• Reinstall the brine valve securely in its housing.

Initial Fill

• Add 5 litres of mains water to the softener cabinet.
• Add a quantity of tablet salt, ensuring it is above the waterline. Do not use rock or salt granules.

Main Inlet Valve

With the unit in bypass (inlet closed, outlet closed, bypass open), slowly open the main inlet valve and check for leaks in the plumbing.

Pressurising

With the inlet valve open, allow the softener to pressurise. Water may run to the drain until the unit is fully pressurised.

Manual Regeneration

Using a #2 Phillips screwdriver, push down firmly on the actuator and slowly turn clockwise. Listen for four (4) clicks to start regeneration. Water should begin to run through the system. If no water is heard, the disc has not been advanced far enough. The Accudial arrow will reset to the 6 o'clock position at the end of regeneration.

Set Regeneration Frequency/Hardness

With the in/out ports at 12 o'clock, ensure the Accudial arrow has reset and is at the 6 o'clock position. [Diagram description: The Accudial meter shows a disc with hardness settings in PPM and dH, and an adjustment knob. The Accudial arrow points to the current setting.]

Note: Push the hardness adjustment knob only when the Accudial Arrow is at the 6 o'clock position. This is the only position where hardness and regeneration frequency can be adjusted. Push down on the Adjustment Knob and turn until the Accudial Arrow points to the correct Total Hardness value (refer to Section 7 for correct settings). After the system has finished, open the outlet to release trapped air from the lines.

Put Unit into Service

• Open the outlet valve and ensure the bypass valve is closed.

Check for Leaks

• Before leaving the installation site, check all plumbing for leaks.
• Test the water at a softened water tap. Explain the system to the user, including the bypass function and how to load salt.

Operation

The softener operates automatically after commissioning.

Warning: Only use tablet salt labelled as 'salt for softeners'. Do not use granular or road salt. Refill the regeneration salt as soon as the water level is above the salt in the container.

Care

Warning: Possible damage from chemicals. Do not clean the inside of the container with cleaning agents or other chemicals. Clean the inside of the container with water only.

Clean the outside of the softener with domestically available hygiene products for plastics.

Technical Specifications

Design Specifications

• Flow Rate: 20 Lpm
• Pressure Range: 1.0-8.6 bar Dynamic Pressure
• Temperature Range: 2-49°C
• Min. Flow Rate: 1.1 Lpm
• pH Range: 5-10 SU
• Free Chlorine (Max.): 2.0 mg/L
• Hardness as CaCO3 (Max.): 555 mg/L
• Meter Setting: AccuDial

System Components

• Media Vessel (Qty.): (1) 152 x 330 mm
• Media Vessel Construction: Fiberglass Wrapped Polypropylene
• Empty Bed Volume: 4.5 liters
• Media Type: High Capacity Fine Mesh Cation Resin
• Media Volume: 4.5 liters
• Bed Depth: Packed
• Free Board: None
• Riser Tube: 25 mm ABS
• Upper Distributor: 0.30 mm Slots, Engineered Plastic Basket
• Lower Distributor: 0.23 mm Slots, Engineered Plastic Basket
• Under bedding: None
• Regeneration Control: AccuDial Meter
• Regeneration Type: Countercurrent
• Salt Capacity (Pellets): 10 kg

Connections

• Inlet/Outlet Connections: Custom Adapter and Bracket
• Drain Connection: 0.375" Tube
• Brine Line Connection: 0.375" Tube (Internal)
• Overflow Connection: 0.625" Tube
• Power: None

Part Numbers

• Kinetico Simplex: #100060
• Module: #16028

Dimensions and Weight

• Height: 555 mm
• Width: 230 mm
• Depth: 410 mm
• Shipping Weight: 10 kg
• Operating Weight: 25 kg

Regeneration Specifications @ 2bar

• Regeneration Volume: 25 liters
• Regeneration Time: 11 minutes
• Backwash Flow Control: 3.79 Lpm #4409
• Brine Refill Flow Control: 0.76 Lpm #91838

Hardness Settings Table

[Diagram description: The unit is shown with its dimensions: 230 mm width, 410 mm depth, and 555 mm height. The AccuDial meter is depicted with its hardness settings (PPM and dH) and an adjustment knob, indicating the current setting with an arrow.]

Accessories with the Unit

• 1 x 2cc silicone tube
• 1 x in/out retaining bracket and pin
• 4 x o-ring
• 2 x 3/4" BSP in/out adaptor
• 1 x 2m of 5/8" drain tubing

General Installation Schematic

[Diagram description: A schematic illustrates the installation of the BWT MONO SOFT water softener. It shows the unit connected to the main water supply via a check valve and bypass valve. A prefilter is positioned before the softener. The unit has connections for inlet, outlet, drain line, and overflow line.]