Glandless circulation pump with threaded connection or flange connection, EC motor with automatic power adjustment.
Hot-water heating systems of all kinds, air-conditioning systems, closed cooling circuits, industrial circulation systems.
High-efficiency pump (screw-end or flange-end pump), electronically controlled
Nominal connection diameter
Nominal delivery head range [m]
Special features/product advantages
Energy savings through greater system efficiency with the Q-Limit function (volume flow limiter)Improved Energy Efficiency Index (EEI) ≤0.20 for all single pumps.Optimised display for better readability and operationSpace-saving installation due to compact design and location-dependent LC displayModular concept for connection of all conventional bus systems (e.g. Modbus, BACnet, CAN, LON and PLR)Tried and tested quality and reliability
Energy efficiency index (EEI) ≤ 0.20Permissible temperature range ‐-10°C to +110°CMains connection 1~230 V, 50/60 HzProtection class IP X4DScrewed connection or flange connection (depending on type) Rp 1 to DN 100Max. operating pressure, standard version: 6/10 bar or 6 bar (special version: 10 bar or 16 bar)
Operating modesManual control mode (n=constant)Δp-c for constant differential pressureΔp-v for variable differential pressureΔp-T for temperature-controlled differential pressure (programmable via IR-Stick, IR-Monitor, Modbus, BACnet, LON or CAN)Q limit for limiting the maximum volume flow (setting only via IR-stick)Manual functionsSetting the operating modeDifferential pressure setpoint settingSetting automatic setback operationSetting the pump ON/OFFSetting the speed (manual control mode)Automatic functionsInfinitely variable power adjustment according to the operating modeAutomatic setback operationDeblocking functionSoft startFull motor protection with integrated trip electronicsExternal control functions"Overriding Off" control input (possible with Stratos IF-Modules)"Overriding Min" control input (possible with Stratos IF-Modules)"Analogue In 0 ‐ 10 V" control input (remote speed adjustment) (possible with Stratos IF-Modules)"Analogue In 0 ‐ 10 V" control input (remote setpoint adjustment) (possible with Stratos IF-Modules)Signal and display functionsCollective fault signal (potential-free NC contact)Individual run signal (potential-free NO contact) (possible with Stratos IF-Modules)Fault signal lightLCD display for indication of pump data and fault codesData exchangeInfrared interface for wireless data exchange with IR-Stick/IR-MonitorModbus RTU serial digital interface for connection to building automation BA via RS485 BUS system (possible with Stratos IF-Modules)BACnet serial digital interface MS/TP Slave for connection to building automation BA via RS485 BUS system (possible with Stratos IF-Modules)CAN serial digital interface for connection to building automation BA via CAN BUS system (possible with Stratos IF-Modules)LON serial digital interface for connection to a LONWorks network (possible with Stratos IF-Modules)PLR serial digital interface for connection to BA via Wilo interface converter or company-specific coupling modules (possible with Stratos IF-Modules)Dual pump management (double pump or 2 x single pumps)Main/standby operation (automatic fault-actuated switchover/time-dependent pump cycling): various combinations with Stratos IF-Modules (accessories) possibleParallel operation (efficiency-optimised peak load activation and deactivation): various combinations with Stratos IF-Modules (accessories) possibleEquipmentWrench attachment point at pump body (for threaded pipe union pumps with P2< 100 W)For flange-end pumps: Flange versionsStandard version for DN 32 to DN 65 pumps: PN 6/10 combination flange (PN 16 flange according to EN 1092-2) for PN 6 and PN 16 counter flangesStandard version for DN 80/DN 100 pumps: PN 6 flange (designed for PN 16 according to EN 1092-2) for PN 6 counter flangeSpecial version for DN 32 to DN 100 pumps: PN 16 flange (according to EN 1092-2) for PN 16 counter flangePlug-in position for optional extension with Wilo-IF‐ModulesThermal insulation as standard for heating applications
Pump housing: Grey cast iron with cataphoretic coatingThermal insulation: PolypropyleneShaft: stainless steelBearing: Carbon, metal impregnatedImpeller: Plastic
Scope of delivery
PumpIncluding thermal insulationIncluding seals for threaded connectionIncl. washers for flange screws (for nominal connection diameters DN 32 ‐ DN 65)Including installation and operating instructions