• Nine power options ranging from 2-kW to 24-kW.
• Easy installation with fully equipped and pre-wired units.
• Robust and durable construction.
• Ultra-reliable flow switch for safe operation.
• Equipped with a temperature thermostat and overheating sensor.
• Compact and durable design.

• Touchscreen control with soft-start for power supply protection.
• Constructed with titanium flow tube and heating elements.
• Can be mounted on the floor or vertically on a wall.
• Vortex, long-life, stay-clean heating element technology.
• 100% efficiency throughout the product's life.
• Silent operation.

The Optima Compact is a top-of-the-range heater with a touchscreen, ideal for pools and spas. It is fully titanium, ensuring maximum safety, reliability, and efficiency. The design is highly robust and durable.

The document includes a pressure drop chart for different power models, indicating the relationship between pressure (bar) and flow rate (m³/h) for various configurations.

• Power Supply: Single phase or three phase.
• Flow Requirements: Minimum flow of 1m³/h for 2-kW to 6-kW models and 4m³/h for 9-kW to 24-kW models; maximum flow of 17m³/h.
• Heating Element and Flow Tube: Made of Grade 1 titanium.
• Control Thermostat: Touchscreen with a range of 0 to 45°C (0.5°C differential).
• Safety Thermal Cut Out: 60°C with manual reset.
• Flow Switch: Gold tipped reed switch with titanium fulcrum pin.
• Contactors: Dual Siemens 3RT2023 or 3RT2027.
• Seals: High temperature special formula EPDM ferrules, TPE end fitting gaskets.
• Water Connections: 1.5” BSP female thread with 1½” / 50mm stepped ABS unions for rigid pipe and 1½” / 1¼” stepped hose tails for flexible pipe.
• International Protection Marking: IP44.
• Frequency: 50/60 Hz.
• Working Pressure: Maximum 4 bar.
• Mounting: Floor or wall mounting.

The document lists various models with their respective power outputs, product codes, and weights. It also provides guidance for custom builds and different voltage requirements.