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Automated demineralization and regeneration are driven by the smart F105B electronic control valve, which features a multilingual backlit digital display and volumetric meter-delayed regeneration logic based on real household water consumption. The system incorporates intelligent operational features including a "brine dry" cycle (preparing saturated brine with softened water 4 hours prior to regeneration), proportional brining, an adjustable water mixing valve for fine-tuning residual hardness, automatic button locking, vacation standby protection, and smart salt-shortage alarms. The complete package comes pre-assembled with a heavy-duty bypass assembly (3/4" male BSPT), power supply adapter, flexible drain/overflow tubing, and mounting clamps for quick, tool-free installation.
Functional Features:
High-Capacity All-in-One Cabinet: Space-saving vertical enclosure (1053 x 450 x 320 mm) delivers high-volume water softening while fitting neatly into utility and boiler spaces.
Intelligent F105B Control Valve: Advanced microprocessor automates volumetric backwash, brining, slow rinse, and rapid rinse based on real-time consumption.
Brine Dry Mode: Maintains dry salt in the cabinet between cycles and prepares saturated brine using softened water 4 hours before service completion, boosting resin regeneration efficiency and preventing salt mushing.
Proportional Salt Consumption: Automatically scales brine draw and refill volume proportionally if regeneration triggers prior to exhausting total capacity, minimizing salt and wastewater use.
Built-in Residual Hardness Mixing Valve: Integrated blending screw allows users or technicians to bypass a precise amount of raw water, adjusting treated water hardness to the desired comfort level (50–90 ppm).
Smart Monitoring & Alarms: Equipped with salt shortage alerts ("Check Remaining Salt"), resin maintenance reminders, automatic button lock, and non-volatile memory that retains settings during power cuts.
Vacation Standby Mode: Submerges the resin bed in a 25% brine charge and isolates the unit during extended absences, preventing microbial biofouling and eliminating stagnation risks.
Complete Quick-Connect Installation Kit: Supplied with a dedicated bypass valve (3/4" BSPT), drain line, brine overflow tubing, and 12 V power adapter.
Technical information
Here is most important information about this product
- Product Type: Residential Compact Cabinet Water Softener
- Manufacturer / Model: Ecosoft / CUBE 250 (SKU: FU1035CABF105B)
- Target Application: Private houses, cottages, and large families (up to 8 people)
- Nominal / Maximum Flow Rate: 1.0 / 2.5 m3/h
- Suggested Operating Flow Rate: 1,000–2,500 L/h
- Ion Exchange Resin Volume: 25 L (Food-grade premium strong acid cation resin)
- Pressure Vessel Size: 1035 (258 x 891 mm / 10" x 35")
- Capacity per Cycle: 5.0 m3 (at 250 mg/L / 250 ppm CaCO3 inlet water hardness)
- Rated Treated Water Volume: 2,100 m3
- Salt Consumption per Regeneration: 2.5 kg
- Water Consumption per Regeneration: 250 L (0.25 m3)
- Regeneration Cycle Duration: 80–110 minutes
- Pressure Drop in Service Mode: 0.5 bar
- Operating Water Pressure: 2.0–6.0 bar (0.15–0.6 MPa)
- Inlet / Outlet Plumbing Connections: 3/4" male BSPT (via bypass valve)
- Drain & Overflow Tubing: Reinforced flexible hoses with hose clamps
- Electrical Supply: 220–240 V, 50/60 Hz (Input) / 12 V DC, 1.5 A (Output adapter with Europlug)
- Power Consumption: 30 W
- Valve Interface Languages: Multilingual menu (EN, DE, ES, NL, IT, PL, FR)
- Bare Unit Dimensions (H x W x D): 1053 x 450 x 320 mm
- Packaging Dimensions (Crate/Box, H x W x D): 1120 x 500 x 380 mm
- Dry Weight: 40.64 kg (+/-1 kg)
- Inlet Water Hardness Limit: Up to 650 mg/L (ppm) CaCO3 (optimal continuous operation < 450 mg/L)
- Total Iron: <= 0.2 mg/L
- Manganese: <= 0.05 mg/L
- Chemical Oxygen Demand (TOC): <= 5.0 mg O2/L
- Feed Water Temperature Range: +5 to +38 deg C (ambient room temp: +4 to +40 deg C)
- Required Upstream Prefiltration: 100 micron sediment filter minimum
- Detached houses, cottages, and large multi-bathroom residences
- Protection of domestic hot water boilers, indirect water heaters, and hydronic heating systems
- Scale prevention for washing machines, dishwashers, and luxury sanitary fittings
- Pretreatment stage upstream of commercial or whole-house reverse osmosis units
- Small boutique hotels, guesthouses, restaurants, and catering facilities
Please note: The softener must be installed in a dry room protected from sub-zero temperatures (minimum ambient temp +4 deg C) and isolated from direct heat sources. An upstream sediment prefilter (100 micron rating or finer) is required to shield the internal valve ceramic discs and ion exchange beads from suspended sand and pipe rust. During the very first commissioning, manually pour 7 to 10 liters of clean water into the brine tank to enable initial salt dissolution, and perform a manual trial regeneration cycle before putting the unit into routine service. Keep salt levels above the brine water level at all times (ideally 2/3 full using tablet salt with >99% purity) to maintain continuous saturated brine production. Ensure the gravity drain and overflow pipes discharge into an air-gapped floor drain (minimum 15–25 mm air gap) to prevent sanitary back-siphonage.
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