Design
Smart glandless twin-head circulator with screwed connection or flange connection, EC motor with integrated electronic power adjustment.
Application
Hot-water heating systems of all kinds, air-conditioning systems, closed cooling circuits, and industrial circulation systems.
Equipment/function
Field of application
The pump facilitates an operation with the highest system efficiency via the precise setting of the control mode for the system-specific application (e.g. radiator, underfloor heating, ceiling cooling).
Heating
- Radiator
- Underfloor heating
- Ceiling heating
- Fan heater
- Concrete core heating*
- Hydraulic shunt
- Differential pressure-less distributor*
- Buffer heating*
- Heat exchanger
- Heat source circuit (heat pump)*
- District heating circuit*
Cooling
- Ceiling cooling
- Underfloor cooling
- Air-conditioning devices
- Concrete core cooling*
- Hydraulic shunt
- Differential pressure-less distributor*
- Buffer cooling*
- Heat exchanger
- Recooling circuit*
- District cooling circuit*
(* system types from SW≥01.05.10.00 available)
Heating and cooling combined
- Automatic switchover (version “-R7”: not possible; however, possible with Stratos MAXO temperature sensor)
The following control modes are available depending on the selected application:
Control modes
- Constant speed (control mode)
- Δp-c for constant differential pressure
- Δp-v for variable differential pressure
- Dynamic Adapt plus for continuous (dynamic) adjustment of the delivery rate to the current requirement
- T-const. for constant temperature control
- ΔT-const. for constant differential temperature control
- Constant Q for constant volume flow control
- Multi-Flow Adaptation: Total volume flow determination through the feeder pump for the needs-based supply of secondary pumps in the heating circuit distributors
- User-defined PID control
Optional functions
- Q-limitmax. for limiting the maximum volume flow
- Q-limitmin. for limiting the minimum volume flow
- No-Flow Stop (zero-flow-deactivation)
- Automatic night setback (version “-R7”: not possible; however, possible with Stratos MAXO temperature sensor)
- Index circuit evaluator (Δp-c control with external actual value sensor)
- Thermal disinfection detection (Stratos MAXO-Z)
- Variable pitch of Δp-v pump curve
Manual settings
- Selection of the field of application in the setting assistant
- Setting the related operating parameters
- Nominal duty point: direct input of calculated duty point at Δp-v
- Status display
- Setting and resetting the energy meters (heating and cooling)
- Pump venting function
- Key lock for disabling the settings
- Function for resetting the factory settings or the saved restoration points (parameter sets)
- Parameterizing the analog inputs
- Parameterizing the binary inputs
- Parameterizing the relay outputs
- Twin-head pump function (for 2 single pumps, which should be operated as a twin-head pump)
Automatic functions
- Power adjustment according to requirements for energy-efficient operation depending on the operating mode
- Detection of night setback (version “-R7”: not possible; however, possible with Stratos MAXO temperature sensor)
- Deactivation at zero flow (No-Flow Stop)
- Soft start
- Automatic troubleshooting routines (e.g. deblocking function)
- Switchover between heating/cooling mode (version “-R7”: automatic switchover not possible; however, possible with Stratos MAXO temperature sensor)
- Full motor protection with integrated trip electronics
External control inputs and their functions
2 x analog inputs:
- Signal types: 0 – 10 V, 2 – 10 V, 0 – 20 mA, 4 – 20 mA, PT1000
- Applications: Remote adjustment of the setpoints in every control mode (except Multi-Flow Adaptation), sensor inputs for temperature, differential pressure, or free sensor in user-defined PID operation
2 x digital inputs:
- For potential-free control outputs or switch
- Parameterizable functions:
- Ext. Off
- Ext. Min
- Ext. Max
- MANUAL (BMS-OFF)
- Key lock
- Switchover between heating/cooling mode
Wilo Net for dual pump management of 2 single pumps, communication of several pumps with each other, and pump-remote adjustment via the gateway
Signal and display functions
- Display status operation display:
- Setpoint
- Actual delivery head
- Actual volume flow
- Power consumption
- Electric consumption
- Temperatures (version “-R7”: current fluid temperature possible with Stratos MAXO temperature sensor)
- Status display LED: Faultless operation (green LED), pump communication (blue LED)
- Display status of display fault (display red):
- Error codes and error description in full text
- Remedial measures
- Display status of display warning (display yellow):
- Warning codes and description of the warning in full text
- Remedial measures
- Display status process indicator (display blue):
- Pump venting
- Update procedure
- Display BMS communication (display blue):
- Summary of the active BMS parameters (baud rate, address…)
- Collective fault signal SSM (potential-free changeover contact)
- Collective run signal SBM (potential-free normally open contact)
Data exchange
- Bluetooth interface for wireless data exchange and remote operation of the pump using a smartphone or tablet.
- Remote monitoring of the pump via the Internet with the Wilo-Smart Gateway.
- Digital Modbus TCP interface for connection to building automation (BA) (possible with Wilo-CIF module Ethernet [multi-protocol]).
- Serial digital interface Modbus RTU for connecting building automation (BA) via RS485 bus system (possible with Wilo-CIF module Modbus RTU).
- Digital BACnet IP interfaces for connection to building automation (BA) (possible with Wilo-CIF module Ethernet).
- Serial digital interface BACnet MS/TP for connecting building automation (BA) via RS485 bus system (possible with Wilo-CIF module BACnet MS/TP).
- Serial digital interface LON for connecting building automation (BA) via bus system LONWorks (possible with Wilo-CIF module LON).
- Serial digital interface CANopen for connecting building automation (BA) via bus system CANopen (possible with Wilo-CIF module CANopen).
- Serial digital interface PLR for connecting BA via company-specific coupling module (possible with Wilo-CIF module PLR).
Dual pump management (twin-head pump or 2 x single pumps)
- Main/standby operation (automatic fault-actuated switchover/time-sensitive pump alteration)
- Parallel operation (efficiency-optimized peak load cut-in and out)
Equipment
- For flange-end pumps: Flange versions
- Standard 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 flanges
- Standard version for DN 80/DN 100 pumps: PN 6 flange (designed for PN 16 according to EN 1092-2) for PN 6 counter flange
- Special version for DN 32 to DN 100 pumps: PN 16 flange (according to EN 1092-2) for PN 16 counter flange
- Various integrated communication interfaces and optionally usable CIF module plug-in position
- 5 cable inlets for connecting the communication interfaces
- Bluetooth interface
- High-resolution graphic display with a green button and 2 additional buttons
- User-friendly terminal room
- Integrated temperature sensor (version “-R7”: without)
- Quick electrical connection with optimized Wilo-Connector for the power supply
