Multi-function pool control panel 66175

programmablemodularfor pools with skimmers

Product overview
The panels in the Controller range are fully equipped, assembled control systems designed for water treatment applications. Their compact, modular construction enables straightforward installation, commissioning and rapid field assembly. Assemblies are mounted on PVC panels and are available in multiple sizes according to the selected probe and configuration.

General technical features

• Available measurement ranges depending on the selected probe.
• Free chlorine ranges: 0–2, 0–5, 0–10, 0–20 and 0–200 ppm.
• pH range: 0–14.
• ORP (redox) range: +/-1500 mV.
• Temperature measurement range: 0–50 ºC.
• Stable chlorine measurement with low pH dependence.
• Self‑calibration available for all sizes/versions.
• Alarm output for insufficient water flow.
• Enclosure protection rating: IP65.
• 250 V / 10 A relays for dosing pumps or salt chlorinators.
• 4–20 mA analogue outputs for signal retransmission or proportional pump control.
• Power supply: 230 V / 50 Hz.
• Configurable setpoints and programmable alarms.
• Pump pause function during calibration and to stop flow.
• Temperature reading and automatic compensation (PT100 optional).
• Three setpoint control modes: On/Off, Time‑proportional and Pulse‑proportional.
• RS485 communications port for external integration.

Components included in the assembly

• Methacrylate probe holder with flow regulator, sample valve and flow sensor.
• Filter holder and 80 µm filter cartridge for water inlet.
• DPD standard calibration solutions.
• Assembly accessories and installation/instruction manual.
• Sensors supplied according to selected version.

Models / Spare parts
CODE | Description | Spare Parts
66175 | Controller Free Chlorine | See Spare Parts
66176 | Controller pH / ORP / Free Chlorine | See Spare Parts
66177 | Controller pH / Free Chlorine | See Spare Parts
66178 | Controller pH / Redox | See Spare Parts
66168 | pH / Amperometric free chlorine sensor | See Spare Parts
66169 | pH / ORP / Amperometric free chlorine sensor | See Spare Parts
66170 | Controller pH / ORP / Free Chlorine / Total amperometric chlorine | See Spare Parts


Technical specifications

• Brand: Astralpool.
• Series / model: Controller.
• Construction: PVC panel assemblies; methacrylate probe holder.
• Protection rating: IP65.
• Power supply: 230 V / 50 Hz.
• Relay rating: 250 V / 10 A.
• Analogue output: 4–20 mA.
• Communications: RS485.
• pH range: 0–14.
• ORP range: +/-1500 mV.
• Temperature range: 0–50 ºC (PT100 option for automatic compensation).
• Included documentation: installation manual, product leaflet and manuals (multiple languages).