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General| Brand | Runxin |
|---|---|
| Model | N74A1 |
| Category | Control Unit |
| Language | English |
Used for softening or demineralization water treatment systems. Be suitable for residential softening system.
Features hermetic sealing, corrosion resistance, manual function, long outage indicator, LED display, and buttons lock.
Specifies operating conditions for Runxin valve: water pressure, temperature, humidity, and inlet water quality.
Displays structural charts and technical parameters for N74A3 and F74B3 models.
Provides installation notices, device location guidance, and pipeline connection steps.
Explains PC board indicators: Time of day, buttons lock, and program mode indicators.
Details parameters like Time of Day, Control Mode, Service Day/Hour, Regeneration Time, Resin Volume.
Illustrates water flow in Service, Backwash, Brine & Slow Rinse, Brine Refill, and Fast Rinse statuses.
Describes PC board functions: signal output, interlock, remote handling, and pressure relief connectors.
Details product configuration, pressure-flow rate characteristics, and injector parameter tables.
Provides formulas and guidelines for setting service time, backwash, rinse, and refill parameters.
Guides on inquiring and setting parameters like Time of Day, Control Mode, and Regeneration Time.
Step-by-step guide for conducting trial runs after installation and parameter setting.
Lists common control valve faults, their causes, and recommended corrections.
Provides detailed diagrams and part numbers for N74A3 (63610) valve body assembly.
