The Crystal Quest C-100 Controller is a compact, cost-effective solution designed to manage and monitor light commercial reverse osmosis (RO) systems with reliability and ease. Engineered for straightforward integration and user-friendly operation, this controller provides the essential functions needed for automated RO performance without the complexity or cost of advanced industrial controls.

Featuring built-in relays for the RO pump, inlet solenoid valve, and membrane flush solenoid valve, the C-100 ensures precise on/off control of core system components. Dry contact switch inputs allow seamless monitoring of tank levels, pressure switches, and pretreatment lockout signals, with all inputs and outputs intelligently timed for safe, stable operation.

Key Features:

• Integrated System Control:
  Controls RO pump, inlet valve, and flush solenoid with onboard relays.
• Efficient Monitoring Capabilities:
  Includes inputs for storage tank level, low/high pressure switches, and pretreatment lockout.
• Built-In TDS Monitoring:
  Displays total dissolved solids from 0–1000 PPM via three-digit LED display.
  • Adjustable setpoint triggers warning if water quality drops below threshold.
  • Calibration function ensures accuracy over time.
• Jumper-Selectable Settings:
  Easily configure flush type and switch behavior to match your system requirements.
• Visual Status Indicators:
  LED lights provide real-time updates on water quality and system operation.
• Compact & Panel-Mountable Design:
  Clean enclosure with quick-disconnect terminals and plug-in switch inputs for fast installation and service.

Whether you're upgrading an existing RO system or designing a new one, the Crystal Quest C-100 Controller offers dependable control, quality monitoring, and simplified system management—without overengineering.