Wilo-Stratos MAXO | Wilo

Wilo-Stratos MAXO

Tomorrow’s technology for today’s systems.

Wilo-Stratos MAXO

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.

Recommended services

Wilo-Live Assistant

System Optimisation

Energy Solutions

Your advantages

Intuitive operation by application-guided settings with the Setup Guide plus the combination of a new display and operating button using the 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 connecting to mobile terminal devices and direct pump networking using Wilo Net for multiple pump control
Maximum convenience in electrical installation thanks to a clearly arranged and spacious terminal box and the optimised Wilo-Connector

Product features

Cataphoretic-coated grey cast iron pump housing
Thermal insulation shell
EC motor technology
Full graphic display with setting assistant
Interfaces to building automation
Bluetooth interface
Green Button Technology
Cable connections and terminals
Wilo-Connector

Product features

Cataphoretic-coated grey cast iron pump housing
Thermal insulation shell
EC motor technology
Full graphic display with setting assistant
Interfaces to building automation
Bluetooth interface
Green Button Technology
Cable connections and terminals
Wilo-Connector

Environmentally friendly features

The combination of optimised and innovative control modes provides maximum energy efficiency.

Highest system efficiency with the innovative "Multi-Flow Adaptation" and energy savings of up to 80%

Sustainable and carbon-neutral production and processes in our European factories

Full transparency of the pump's operating status via remote access to save resources compared to on-site assessments

Wilo-Stratos MAXO

Design

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
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-Limit_max. for limiting the maximum volume flow
Q-Limit_min. 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)
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)
Parameterising the analogue inputs
Parameterising the binary inputs
Parameterising the relay outputs
Dual-pump function (for 2 single pumps, which should be operated as a two-pump system)

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 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 operation
2 x digital inputs:
For potential-free control outputs or switch
Parametrisable 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 (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 WiloCare.
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 interface 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-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 (version "-R7": without)
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 gland M16 x 1.5
Gaskets for threaded connection
Washers for flange screws (for nominal connection diameters DN 32 - DN 65)
Thermal insulation shell
Installation and operating instructions

Typekey

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]
-R7	Without an integrated Stratos MAXO temperature sensor

Technical data

Permissible temperature range -10 °C to +110 °C, -10 °C to +90 °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
Interference emission in acc. with: EN 61800-3:2004+A1:2012/residential environment (C1)
Interference immunity in acc. with: EN 61800-3:2004+A1:2012 / industrial environment (C2)

Max. volume flow Q: 74 m³/h
Max. delivery head H: 16 m

Materials

Bearing: Carbon, antimony-impregnated
Impeller: PPS-GF40
Pump housing: Grey cast iron
Shaft: 1.4028, DLC-coated

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

Installation and operating instructions