Wilo-Stratos MAXO-Z

Series description

Special features/product 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.
  • Highest standard of drinking water hygiene and energy efficiency with the new, innovative, intelligent T-const. control function.
  • Optimum hygiene promotion through thermal disinfection detection.
  • 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.

Description

The Wilo-Stratos MAXO-Z has specifically been developed for drinking water applications and combines the innovative characteristics of the Wilo-Stratos MAXO

with a stainless steel housing. The durable and hygienic material sets it apart from other domestic hot water circulators

on the market.

Design type

Smart glandless circulator with screwed connection or flange connection, EC motor with integrated electronic power adjustment

Application

Domestic hot water circulation systems of all kinds, hot-water heating systems of all kinds, air-conditioning, 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 flows
  • 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)
  • Thermal disinfection detection
  • 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

Automatic functions

  • Power adjustment according to requirements for energy-efficient operation depending on the operating mode
  • Setback operation
  • Deactivation at nil 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 heating/cooling mode

Wilo Net for double 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 (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).

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)
  • Including gaskets for threaded connection
  • Thermal insulation
  • Installation and operating instructions

Type key

Example:

Wilo-Stratos MAXO-Z 40/0,5-8

Stratos MAXO

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

Z

Single pump for domestic hot water circulation

40/

Nominal connection diameter

0,5-8

Nominal delivery head range [m]

Technical data

  • Permissible temperature range
    • Drinking water up to 3.57 mmol/l (20 °dH): 0 °C to +80 °C
    • Heating water: -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 65
  • Max. operating pressure of standard version: 6/10 bar (special version: 16 bar)

Materials

  • Pump housing made of stainless steel
  • Thermal insulation: polypropylene
  • Impeller: Plastic
  • Shaft: Stainless steel
  • Bearing: carbon

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-Z

Downloads

General overview 2018 International version

Article Number 2200591
Edition 2018
Version number 1
Page format 209.9 x 297.0 mm
Number of pages 72

PDF (11 MB)

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PDF: Wilo-Stratos MAXO-Z

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