Wilo Stratos ECO-ST - ConSoft
Wilo Stratos ECO-ST - ConSoft
Wilo Stratos ECO-ST - ConSoft
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Series description: <strong>Wilo</strong>-<strong>Stratos</strong> <strong>ECO</strong>-<strong>ST</strong><br />
Design<br />
Glandless circulation pump with threaded connection, EC motor<br />
and automatic power adjustment<br />
Application<br />
Circulation in solar heating systems<br />
Type key<br />
Example: <strong>Wilo</strong>-<strong>Stratos</strong> <strong>ECO</strong>-<strong>ST</strong> 25/1-5<br />
<strong>Stratos</strong> <strong>ECO</strong><br />
-<strong>ST</strong><br />
High-efficiency pump (screw-end pump),<br />
electronically controlled<br />
Version for solar heating applications<br />
25/ Nominal connection diameter<br />
1-5 Nominal delivery head range [m]<br />
Special features/product benefits<br />
• Class A motor technology<br />
• Up to 80% electricity savings compared to circulation pumps<br />
without speed control<br />
• Maximum efficiency thanks to ECM technology<br />
• Min. electrical power consumption: only 5.8 W<br />
• Three times higher starting torque than conventional<br />
circulation pumps<br />
• Pump housing with cataphoretic coating for the prevention of<br />
corrosion by condensation formation<br />
• BA connection: For connection to external monitoring units<br />
(e.g. building automation BA or DDC installations)<br />
• Version RG with red brass housing<br />
• Version 130 with overall length of 130 mm<br />
Technical data<br />
• Volume flow Q max<br />
2.5 m³/h;<br />
Delivery head H max<br />
5 m<br />
• Perm. temperature range +15 °C to +110 °C<br />
• Mains connection 1~230 V, 50 Hz<br />
• Protection class IP 44<br />
• Threaded connection Rp ½, Rp 1<br />
• Max. operating pressure 10 bar
Equipment/function<br />
Operating modes<br />
• Manual control mode (n=constant)<br />
• Δp-c for constant differential pressure<br />
• Δp-v for variable differential pressure<br />
Manual functions<br />
• Operating mode setting<br />
• Differential-pressure setpoint setting<br />
• Setting automatic setback operation<br />
• Speed setting (manual control mode)<br />
Automatic functions<br />
• Stageless power adjustment depending on the operating mode<br />
• Automatic setback operation<br />
• Deblocking function<br />
• Soft start<br />
• Safety control<br />
External control functions<br />
• "Overriding Off" control input<br />
• "Analogue In 0 - 10 V" control input (remote speed adjustment)<br />
• "Analogue In 0 - 10 V" control input (remote setpoint<br />
adjustment)<br />
Signal and display functions<br />
• Collective fault signal (potential-free NC contact)<br />
• Fault signal light<br />
Equipment<br />
• Wrench attachment point on pump body<br />
• Cable lead-in possible on both sides<br />
• Quick connection with spring clips<br />
• Blocking current-proof motor<br />
Materials<br />
• Pump housing: Grey cast iron (red brass for version...-RG)<br />
• Thermal insulation: Polypropylene<br />
• Shaft: stainless steel<br />
• Bearing: metal-impregnated carbon<br />
• Impeller: Plastic
Scope of delivery<br />
• Pump<br />
• Seals<br />
• Installation and operating instructions<br />
Options<br />
• <strong>Stratos</strong> <strong>ECO</strong>-<strong>ST</strong> ...-130: Version with short over-all length of<br />
130 mm<br />
• <strong>Stratos</strong> <strong>ECO</strong>-<strong>ST</strong> ...-RG: Version with red brass housing<br />
Accessories<br />
• Screwed connections<br />
• Adapter fittings
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