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General| Model | WTCW100 Series |
|---|---|
| Type | Controller |
| Display | LCD |
| Output | Relay, Analog |
| Communication Protocol | Modbus RTU |
| Temperature Range (Operating) | 0°C to 50°C |
| Temperature Range (Storage) | -20°C to 70°C |
| Enclosure | NEMA 4X |
| Sensor Inputs | pH, ORP, Conductivity, Temperature |
| Analog Inputs | Up to 4 inputs; 4-20 mA, isolated |
Guidelines for securely wall-mounting the controller enclosure at eye level on a vibration-free surface.
General installation advice for the controller and metering pumps, including plumbing for cooling towers and boilers.
General settings applicable to any relay control mode, including HOA, timeouts, and interlocks.
Configuration for On/Off relay control, including set point, deadband, and duty cycle.
Settings for flow timer control mode, including feed duration and accumulated volume.
Settings for bleed and feed control, available when HVAC modes are enabled.
Settings for bleed then feed control, available when HVAC modes are enabled.
Settings for percent timer control mode, including sample period and feed percentage.
Settings for biocide timer control, including event programming, repetition, and special conditions.
Configuration for relay alarm mode, selecting alarm conditions and output behavior.
Settings for time proportional control, including set point, proportional band, and sample period.
Settings for intermittent sampling, including set point, proportional band, and trap sample options.
Settings for pulse proportional control, including set point, minimum/maximum output, and rate.
Lists possible causes and corrective actions for calibration failures in contacting and electrodeless conductivity sensors.
Explains various alarm messages, their possible causes, and corrective actions.
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