Wilo-Stratos MAXO

Series description

Your advantages

  • Intuitive operation by means of application-guided settings with the Setup Guide plus the combination of a new display and operating button using Green Button Technology.
  • Maximum energy efficiency thanks to the combination of optimised and innovative energy-saving functions (e.g. No-Flow Stop).
  • Optimum system efficiency thanks to new and innovative intelligent control functions, such as Dynamic Adapt plus, Multi-Flow Adaptation, T-const. and ΔT-const.
  • Latest communication interfaces (e.g. Bluetooth) for connection to mobile devices and direct pump networking for multiple pump control via Wilo Net.
  • Maximum convenience in electrical installation thanks to a clearly arranged and spacious terminal room and the optimised Wilo-Connector.

Tomorrow’s technology for today’s systems.

With optimised and innovative energy-saving features, the Wilo-Stratos MAXO sets new standards for commercial HVAC and drinking water applications in terms of energy efficiency. Its outstanding user-friendliness makes operating the pump easier than ever before.

Construction

Smart glandless 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, industrial circulation systems.

Equipment/function

Field of application

The pump facilitates an operation with highest system efficiency via 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
  • Hydraulic shunt
  • Heat exchanger

Cooling

  • Ceiling cooling
  • Underfloor cooling
  • Air-conditioning devices
  • Hydraulic shunt
  • Heat exchanger

Heating and cooling combined

  • Automatic switchover

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 regulation
  • ΔT for 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 controller

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 setback operation
  • Index circuit evaluator (Δp-c control with external actual value sensor)
  • Variable pitch of Δp-v pump curve

Manual settings

  • Selection of the field of application using the Setup Guide
  • 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)
  • Parameterising the analogue inputs
  • Parameterising the binary inputs
  • Parameterising the relay outputs
  • Dual pump function (for 2 single pumps, which should be operated as twin-head pump)

Automatic functions

  • Power adjustment according to requirements for energy-efficient operation depending on the operating mode
  • Setback operation
  • Deactivation at zero flow (No-Flow Stop)
  • Soft start
  • Automatic troubleshooting routines (e.g. deblocking function)
  • Switchover heating/cooling mode
  • Full motor protection with integrated trip electronics

External control inputs and their functions

  • 2 x analogue 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-operating mode
  • 2 x digital inputs:
  • For potential-free control outputs or switch
  • Parametrizable 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 gateway

Signal and display functions

  • Display status operation display:
    • Setpoint
    • Actual delivery head
    • Actual volume flow
    • Power consumption
    • Electric consumption
    • Temperatures
  • 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.
  • Serial digital interface Modbus RTU for connecting building automation (BA) via RS485 bus system (possible with Wilo-CIF module Modbus RTU).
  • 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 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-optimised 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 green button and 2 additional buttons
  • User-friendly terminal room
  • Integrated temperature sensor
  • Thermal insulation as standard for heating applications
  • Quick electrical connection with optimised Wilo-Connector for the power supply

Scope of delivery

  • Pump
  • Optimised Wilo-Connector
  • 2x threaded cable connection M16 x 1.5
  • Washers for flange screws (for nominal connection diameters DN 32 - DN 65)
  • Gaskets for threaded connection
  • Thermal insulation
  • Installation and operating instructions

Type key

Example:

Wilo-Stratos MAXO 30/0,5-12

Stratos MAXO

High-efficiency pump (screw-end or flange-end pump), electronically controlled

30/

Nominal connection diameter

0,5-12

Nominal delivery head range [m]

Technical data

  • Permissible temperature range -10 °C to +110 °C
  • Mains connection 1~230 V, 50/60 Hz
  • Protection class IPX4D
  • Screwed connection or flange connection (depending on type) Rp 1 to DN 100
  • Max. operating pressure of standard version: 6/10 bar or 6 bar (special version: 10 bar or 16 bar)
  • Insulation class: F
  • Emitted interference in acc. with: EN 61800-3:2004+A1:2012 / residential environment (C1)
  • Interference resistance in acc. with: EN 61800-3:2004+A1:2012 / industrial environment (C2)

Materials

  • Pump housing: grey cast iron with cataphoretic-coated
  • Thermal insulation: polypropylene
  • Shaft: Stainless steel
  • Bearing: carbon
  • Impeller: Plastic

Description/construction

  • Smart glandless circulator with EC motor and integrated electronic power adjustment
  • Green Button Technology and graphic display
  • Motor protection with trip electronics
  • Plug connection for functional extension with optional CIF module for building automation (BA)
  • Impeller with three-dimensionally curved blades and plastic sealing tube made of carbon fibre composite material

Duty chart

Wilo-Stratos MAXO

Downloads

REACH regulation

Edition 2018-10
Page format 209.9 x 296.7 mm
Number of pages 4

PDF (581 kB)

Shkarko

General overview 2019 International version

Article Number 2200591
Edition 2018
Version number 1
Page format 209.9 x 297.0 mm
Number of pages 74

PDF (42 MB)

Shkarko

Wilo-Stratos MAXO/-D/-Z

Article Number 2172323
Edition 2018-11
Version number 01
Page format 209.9 x 297.0 mm
Number of pages 2848

PDF (21 MB)

Shkarko

Produkti

PDF: Wilo-Stratos MAXO

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