Stratos PICO 25/0,5-4 | Wilo

Stratos PICO 25/0,5-4

Article number: 4244393

Hydraulic data
Maximum operating pressure PN	10 bar
Head max H _max	4.2 m
Flow max Q _max	2.9 m³/h
Minimum suction head at 50 °C m	0.5 m
Minimum suction head at 95 °C m	3 m
Minimum suction head at 110 °C	10 m
Min. fluid temperature T_min	-10 °C
Max. fluid temperature T_max	110 °C
Max. fluid temperature at max. ambient temperature of +25 °C T_max	110 °C
Max. fluid temperature at max. ambient temperature of +40 °C T_max	95 °C
Min. ambient temperature T_min	-10 °C
Max. ambient temperature T_max	40 °C

Motor data
Energy efficiency index (EEI)	≤0.18
Mains connection	1~230 V ±10%, 50/60 Hz
Rated power P₂	15 W
Min. speed n_min	700 1/min
Max. speed n_max	3400 1/min
Power consumption P_{1 min}	3 W
Power consumption P_{1 max}	20 W
Emitted interference	EN 61000-6-3
Interference resistance	EN 61000-6-2
Electromagnetic compatibility	EN 61800-3
Threaded cable connection	1 x PG11
Insulation class	F
Protection class	IPX4D

Materials
Pump housing	Grey cast iron
Impeller	PP-GF40
Shaft	Stainless steel
Bearing	Carbon, metal-impregnated

Installation dimensions
Pipe connection on the discharge side DNd	G 1½
Pipe connection on the suction side DNs	G 1½
Port-to-port length L0	180 mm

Function
Control mode	Δp-v for variable differential pressure Δp-c for constant differential pressure Dynamic Adapt plus Constant speed (n-const.)
Special features of the series	Night set back Mode for pressure-independent control valves (PICV) Key locking function Reset function for electricity meter Reset function to factory setting
Display	Setpoint Actual delivery head Actual volume flow Actual power consumption Energy consumption Actual speed Manually activated restart or pump venting function Warning messages in plain text (display status: yellow) Error messages in plain text (display: red) Control mode Active influences (e.g. STOP)
Pump venting function	Manual

Equipment
Approvals and labels	CE VDE EAC UKCA TR RCM
Display	Graphic colour display (2 inches)
Display information	Comfort Version: LCD display (large) for showing the head, flow volume, actual und cumulated current.
Pump control	Electronic-controlled pump
Quick electrical connection	Wilo Connector
Thermal insulation shell	Yes
Blocking-current proof motor	yes
Particle filter	yes
Key lock	yes
Operating elements	Green button and back button

Connectivity
Access via the Wilo-Assistant app	Via accessory Wilo-Smart Connect Module BT
Analogue signal as standard	0-10 V (via BMS Connect module accessories)
Digital input	Ext. OFF/Ext. MIN/ Ext. MAX (via BMS Connect module accessories)
Digital output	SSM/SBM (via BMS Connect module accessories)
wire data exchange and remote operation	Via accessories Wilo-Smart Connect Module BT

Stratos PICO 25/0,5-4

Blocking current-proof motor

Single-phase motor (EM) 2‐pole ‐ 1~230 V, 50 Hz

Product data
Brand	Wilo
Product description	Stratos PICO 25/0,5-4
Article number	4244393
EAN number	4062679126067
Colour	Green
Minimum order quantity	1
Date of sales availability	2022-01-01
Previous model article number	4216612
Previous model designation	Stratos PICO 25/1-4

Packaging
Packaging type	Cardboard box
Packaging property	Sales packaging
Pieces per pallet	146
Number per layer	20

Dimension, weight
Length with packaging	194 mm
Length L	180 mm
Height with packaging	121 mm
Height H	114 mm
Width with packaging	213 mm
Width W	165 mm
Gross weight, approx. m	2.2 kg
Net weight, approx. m	1.9 kg

Wilo-Stratos PICO, electronically controlled high-efficiency pump

Glandless circulator with screwed connection, blocking-current proof synchronous motor using ECM technology (up to 90 % energy saving compared to an uncontrolled pump) and built-in electronic power control for continuous differential pressure control.

Can be used for all heating and air-conditioning applications (-10 °C to +110 °C).

Control mode can be selected in accordance with the radiator/underfloor heating application.

Control modes:

Permanent, automatic power adjustment to system requirements without setpoint specification Wilo Dynamic Adapt plus (factory setting)
Settings assistant for number of radiators or underfloor heating area
Variable differential pressure (Δp-v)
Constant differential pressure (Δp-c)
Constant speed (n-const.)

Functions:

Automatic night setback
Fault/warning message display including description and error code in plain text
Venting routine for automatic venting of the rotor chamber
Manual restart function for additional deblocking of the pump as required
Key lock
Function for resetting the electricity meter or for resetting the settings to the factory settings
Dry-running detection
Automatic deblocking function and integrated motor protection
Supports hydronic balancing with the Wilo-Assistant app

Display:

Control mode
Setpoint
Volume flow
Delivery head
Speed
Power consumption
Electric consumption
Active influences (e.g. night setback, venting)

Version:

Graphic colour display with operation via one button manual operation level
Slot for Wilo communication modules as an interface for e.g. Bluetooth
Use the Wilo-Assistant app to read and set operating data and –among other things– set up a commissioning protocol through the Bluetooth interface (as an accessory)
Minimal consumption only 3 W
Equipped as standard with a thermal insulation shell
5-year warranty
High efficiency, TÜV tested (the certificate can be seen at www.wilo.com/legal)

Optional accessories:

Wilo-Smart Connect module BT for Bluetooth connection to mobile devices via Wilo-Assistant app
The Wilo-Connect module BMS expands the interface for use in building management systems (BMS)
Wilo-Connect module Modbus RTU expands the interface for use in building management systems

Operating Data
Min. fluid temperature T_min	-10 °C
Max. fluid temperature T_max	110 °C
Min. ambient temperature T_min	-10 °C
Max. ambient temperature T_max	40 °C
Maximum operating pressure PN	10 bar
Minimum suction head at 50 °C m	0.5 m
Minimum suction head at 95 °C m	3 m
Minimum suction head at 110 °C	10 m

Motor data
Energy efficiency index (EEI)	≤0.18
Mains connection	1~230 V ±10%, 50/60 Hz
Rated power P₂	15 W
Min. speed n_min	700 1/min
Max. speed n_max	3400 1/min
Power consumption P_{1 min}	3 W
Power consumption P_{1 max}	20 W
Emitted interference	EN 61000-6-3
Interference resistance	EN 61000-6-2
Electromagnetic compatibility	EN 61800-3
Insulation class	F
Protection class	IPX4D
Threaded cable connection	1 x PG11

Materials
Pump housing	Grey cast iron
Impeller	PP-GF40
Shaft	Stainless steel
Bearing	Carbon, metal-impregnated

Installation dimensions
Pipe connection on the suction side DNs	G 1½
Pipe connection on the discharge side DNd	G 1½
Port-to-port length L0	180 mm

Ordering information
Brand	Wilo
Product description	Stratos PICO 25/0,5-4
Net weight, approx. m	1.9 kg
Article number	4244393

Installation and operating instructions

Wilo-Stratos PICO - Quick Guide

Article Number	4249412
Edition	2021-11
Number of pages	76
Language	bg, cs, da, de, el, en, es, et, fi, fr, hr, hu, it, lt, lv, nl, no, pl, pt, ro, ru, sk, sl, sr, sv, tr, uk

PDF (20 MB)

Wilo-Stratos PICO

Article Number	4249388
Edition	2021-12
Number of pages	36
Language	en

PDF (5 MB)

Group Statement

Group Statement REACH

Edition	2021-05
Number of pages	5
Language	language neutral

PDF (327 KB)

Pipe installation (3)
Screwed connections/adapters
Screwed connections/adapters	Screwed connection Rp 1 x G 1½, 72 Set	112047298
	Screwed connections for circulation pumps with threaded connection. Malleable cast iron screwed connections, inserts with female threads for connection to steel pipes (DIN 2440) with Whitworth pipe threads according to DIN 10226-1. Scope of delivery 1 set of malleable cast iron screwed connections consisting of: 2 union nuts 2 inserts 2 flat gaskets
	Screwed connection Rp 1 x G 1½, 1 Set	4092741
	Screwed connections for circulation pumps with threaded connection. Malleable cast iron screwed connections, inserts with female threads for connection to steel pipes (DIN 2440) with Whitworth pipe threads according to DIN 10226-1. Scope of delivery 1 set of malleable cast iron screwed connections consisting of: 2 union nuts 2 inserts 2 flat gaskets
	Adapter G 1½/G 2	4105914
	Adapter (threaded rings) G 1 ½ to G 2 for circulation pumps with screwed connection for pipe connection DN 25 to pipe connection DN 30. Scope of delivery 1 set consisting of: 2 threaded rings 2 flat gaskets
Pipe installation, adapter fitting (9)
Flanged rings RF
Flanged rings RF	Flanged ring RF 7, PN6	110628790
	The Wilo-RF flanged rings are used for compensation of the port-to-port length in case of a pump replacement. They are provided for length compensation of screw-end pumps to a flange connection. Version as oval flange (DN 25, hole circle Ø 80 mm). Scope of delivery 1 flange ring RF 2 seals Screws/nuts (number and size based on flange version)
	Flanged ring RF 9, PN6	110679395
	The Wilo-RF flanged rings are used for compensation of the port-to-port length in case of a pump replacement. They are provided for length compensation of screw-end pumps to a flange connection. Version as round flange. Scope of delivery 1 flange ring RF 2 seals Screws/nuts (number and size based on flange version)
	Flanged ring RF 13, PN6	110679498
	The Wilo-RF flanged rings are used for compensation of the port-to-port length in case of a pump replacement. They are provided for length compensation of screw-end pumps to a flange connection. Version as round flange. Scope of delivery 1 flange ring RF 2 seals Screws/nuts (number and size based on flange version)
	Flanged ring RF 10, PN6	110851499
	The Wilo-RF flanged rings are used for compensation of the port-to-port length in case of a pump replacement. They are provided for length compensation of screw-end pumps to a flange connection. Version as round flange. Scope of delivery 1 flange ring RF 2 seals Screws/nuts (number and size based on flange version)
Threaded adapter R
Threaded adapter R	Threaded adapter R 2, GG	110626790
	The Wilo-R threaded adaptors are used for compensation of the port-to-port length in case of a pump replacement. They are made of grey cast iron and are provided for length compensation of threaded pipe adaptors. Scope of delivery 1 threaded adapter R 2 gaskets
	Threaded adapter R 6, GG	110678493
	The Wilo-R threaded adaptors are used for compensation of the port-to-port length in case of a pump replacement. They are made of grey cast iron and are provided for length compensation of threaded pipe adaptors. Scope of delivery 1 threaded adapter R 2 gaskets
	Threaded adapter R 1, GG	110786891
	The Wilo-R threaded adaptors are used for compensation of the port-to-port length in case of a pump replacement. They are made of grey cast iron and are provided for length compensation of threaded pipe adaptors. Scope of delivery 1 threaded adapter R 2 gaskets
	Threaded adapter R 7, GG	110787094
	The Wilo-R threaded adaptors are used for compensation of the port-to-port length in case of a pump replacement. They are made of grey cast iron and are provided for length compensation of threaded pipe adaptors. Scope of delivery 1 threaded adapter R 2 gaskets
	Threaded adapter R 24, GG	110880596
	The Wilo-R threaded adaptors are used for compensation of the port-to-port length in case of a pump replacement. They are made of grey cast iron and are provided for length compensation of threaded pipe adaptors. Scope of delivery 1 threaded adapter R 2 gaskets
Thermal insulation (1)
Thermal insulation shell
Thermal insulation shell	Thermal insulation shell	4206066
Thermal insulation shell	Appropriate thermal insulation shell for on-site thermal insulation of the pump housing for heating applications. Suitable for screwed-version single pumps with an installation length of 130 mm and 180 mm. Reduces the heat losses of the pump by up to 85 % Ensures an even temperature distribution at the pump Reduces the overall energy consumption of the heating system and saves energy costs. Groundwater neutral, propellant-free, formaldehyde-free and 100 % recyclable. Processing notes With on-site thermal insulation, the pump housing can only be isolated up to the separating gap to the motor (not the motor), the condensate drainage outlets must not be covered! Scope of delivery Two-piece thermal insulation shell

Pump control (1)
Timer switch SK 601N
Timer switch SK 601N	Switchgear SK 601N	2120443
Timer switch SK 601N	Timer switchgear for wall fixation for the automatic, time-dependent activation/deactivation of Wilo single pumps with single-phase or three-phase motor. Switching function Automatic time-dependent activation/deactivation via 24-hour time switch at adjustable times (every ¼ hour) Parallel control of several pumps up to max. switching capacity possible. Time switch Battery backup: 100 hours/rechargeable Ni-MH battery (button cell, type V80H). Clock precision: ±1 s per day Direct connection for single-phase current (1~) for pumps without thermal winding contacts (WSK). For pumps for three-phase current (3~) or single-phase current (1~) with WSK, only together with SK 602N/ SK 622N or contactor. Scope of delivery Switchgear SK 601N 2 threaded cable connections M16 Installation and operating instructions
Pump control/interface module (3)
Connect module
Connect module	Wilo-Connect module BMS	4257834
	Retrofittable plug-in module Wilo-Connect Module BMS for pumps with Wilo-Connectivity Interface (e.g. Stratos PICO) to expand the interface for building management systems (BMS). The module is mounted to the electronic module via the Wilo-Connectivity interface of the pump (below the lockable module cover). Equipment/function Run signal display Analogue input 0–10 V for setpoint specification Signal display via relay output as changeover contact SSM collective fault signal as potential-free NC contact SBM collective run signal as potential-free NO contact Control input with configurable functions: Overriding OFF (external OFF), MIN (external MIN), MAX (external MAX) 2 PG screwed connections, with rotatable vertical or horizontal alignment Scope of delivery BMS Wilo-Connect module 2x M 20 threaded cable glands pre-assembled in vertical alignment Installation and operating instructions
	Wilo-Connect module Modbus RTU	4263625
	Retrofittable plug-in module Wilo-Connect Module Modbus RTU for pumps with Wilo-Connectivity Interface (e.g. Stratos PICO) to expand the interface for building management systems (BMS). The module is mounted to the electronic module via the Wilo-Connectivity interface of the pump (below the lockable module cover). Equipment/function Serial, digital interface for connection to building automation for the transfer of data points as: Control commands to the pump Messages from the pump Process values RS485 interface with Modbus RTU protocol Download more information at: http://www.wilo.de/automation (German) http://www.wilo.com/automation (English) Scope of delivery Modbus RTU Wilo-Connect module 2x M 20 threaded cable glands pre-assembled in vertical alignment Installation and operating instructions
Wilo-Smart Connect module BT
Wilo-Smart Connect module BT	Wilo-Smart Connect module BT	4239241
Wilo-Smart Connect module BT	Smart Connect plug-in module for adding Wilo-Smart Connect functions to the pump. Functions Bluetooth connection to Wilo-Assistant App Monitoring of pump operation Display of process values and signals Operating and setting of pump functions Scope of delivery Wilo-Smart Connect module BT Installation and operating instructions Fixation material
Plug (2)
Angle plug
Angle plug	Angle plug	4150229
Angle plug	As a substitute for the Wilo-Connector for the electrical connection of a high-efficiency pump (1~230V) in installation situations where space is restricted. The angle plug, angled to the left, has a permanently attached (cast) 2 m connection cable with free cable ends for downstream mains connection.
Connector
Connector	Wilo-Connector	4200870
Connector	For the electrical connection of high-efficiency pumps with Wilo-Connector connection. The Wilo-Connector is pre-assembledwith a 2 m connection cable 3 x 0.75 mm^² with a shockproof plug for downstream mains connection. Scope of delivery Wilo-Connector with 2 m connection cable (3 x 0.75 mm^²) and shockproof plug

With Wilo as your partner, you can not only be sure of choosing high-quality product solutions, but also of benefiting from a comprehensive, worry-free package of well thought-out services. We collaborate to develop a service concept tailored to your individual needs; with our expertise and personal consultancy, we make sure that the operation of your systems is as energy-efficient, reliable and economical as possible. All the while our competent Wilo service technicians are ready to assist you with fast, reliable and on-time support.

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Stratos PICO 25/0,5-4

Stratos PICO 25/0,5-4

Installation and operating instructions

Wilo-Stratos PICO - Quick Guide

Wilo-Stratos PICO

Group Statement

Group Statement REACH

Pipe installation (3)

Screwed connections/adapters

Screwed connections/adapters

Pipe installation, adapter fitting (9)

Flanged rings RF

Flanged rings RF

Threaded adapter R

Threaded adapter R

Thermal insulation (1)

Thermal insulation shell

Thermal insulation shell

Pump control (1)

Timer switch SK 601N

Timer switch SK 601N

Pump control/interface module (3)

Connect module

Connect module

Wilo-Smart Connect module BT

Wilo-Smart Connect module BT

Plug (2)

Angle plug

Angle plug

Connector

Connector

Recommended services

Wilo-Live Assistant

System Optimisation

Energy Solutions

More suitable services

Extended Warranty

Supervision

Installation

Commissioning

Maintenance

Repair