Stratos PICO 25/0,5-8

Name: Stratos PICO 25/0,5-8
Brand: Wilo
SKU: 4244397

Glandless pump circulator

Article number: 4244397

Series Stratos PICO

Data sheet

Hydraulic data
Maximum operating pressure PN	10 bar
Head max H _max	8.0 m
Flow max Q _max	4.4 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) ^*	≤ 0.23
Mains connection	1~230 V ±10%, 50/60 Hz
Rated power P₂	58 W
Min. speed n_min	500 1/min
Max. speed n_max	4800 1/min
Power consumption P_{1 min}	3 W
Power consumption P_{1 max}	75 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

* The benchmark for the most efficient circulators is EEI ≤ 0.20

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

Installation dimensions
Pump connection	G 1½
Pump connection (alternative designation)	RP 1 DN 25
Port-to-port length L0	180 mm

Equipment/function

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
Smart Connect module BT	no

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)
Bus communication via additional accessories	Modbus RTU
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

Ordering information

Product data
Brand	Wilo
Product description	Stratos PICO 25/0,5-8
Article number	4244397
EAN number	4062679126104
Colour	Green
Minimum order quantity	1
Date of sales availability	2022-01-01

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	177 mm
Gross weight, approx. m	2.4 kg
Net weight, approx. m	2.1 kg

Wilo-Stratos PICO, electronically controlled high-efficiency pump

Glandless circulator with screwed connection, blocking-current proof synchronous motor using ECM technology 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

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 RS485 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) ^*	≤ 0.23
Mains connection	1~230 V ±10%, 50/60 Hz
Rated power P₂	58 W
Min. speed n_min	500 1/min
Max. speed n_max	4800 1/min
Power consumption P_{1 min}	3 W
Power consumption P_{1 max}	75 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

* The benchmark for the most efficient circulators is EEI ≤ 0.20

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

Installation dimensions
Pump connection	G 1½
Pump connection (alternative designation)	RP 1 DN 25
Port-to-port length L0	180 mm

Ordering information
Brand	Wilo
Product description	Stratos PICO 25/0,5-8
Net weight, approx. m	2.1 kg
Article number	4244397

Mechanical accessories

Pipe installation (3)
Screwed connections/adapters
	Screwed connection Rp 1 x G 1½, 72 Set	112047298	GBP 1,028.-
	Screwed connection Rp 1 x G 1½, 1 Set	4092741	GBP 14.-
	Adapter G 1½/G 2	4105914	GBP 34.-


Pipe installation, adapter fitting (9)
Threaded adapter R
	Threaded adapter R 2, GG	110626790	GBP 63.-
	Threaded adapter R 6, GG	110678493	GBP 63.-
	Threaded adapter R 1, GG	110786891	GBP 62.-
	Threaded adapter R 7, GG	110787094	GBP 62.-
	Threaded adapter R 24, GG	110880596	GBP 72.-

Flanged rings RF
	Flanged ring RF 7, PN6	110628790	GBP 3,641.-
	Flanged ring RF 9, PN6	110679395	GBP 98.-
	Flanged ring RF 13, PN6	110679498	GBP 89.-
	Flanged ring RF 10, PN6	110851499	GBP 89.-


Thermal insulation (1)
Thermal insulation shell
	Thermal insulation shell	4206066	GBP 33.-

Electrical accessories

Pump control (1)
Timer switch SK 601N
	Switchgear SK 601N	2120443	GBP 317.-


Pump control/interface module (3)
Wilo-Smart Connect module BT
	Wilo-Smart Connect module BT	4239241	GBP 177.-

Connect module
	Wilo-Connect module BMS	4257834	GBP 271.-
	Wilo-Connect module RS485	4268524	on request


Plug (2)
Angle plug
	Angle plug	4150229	GBP 39.-

Connector
	Wilo-Connector	4200870	GBP 33.-

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.

Extended Warranty
	Extended Warranty Glandless pumps	2219589	GBP 2.-

Supervision
	Supervision Glandless pumps	2219320	GBP 2.-

Installation
	Installation Glandless pumps	2219355	GBP 2.-

Commissioning
	Commissioning Glandless pumps	2219390	GBP 84.-

Maintenance
	Maintenance BASIC Glandless pumps	2219530	GBP 375.-
	Maintenance COMFORT Glandless pumps	2219416	on request
	Maintenance PREMIUM Glandless pumps	2219545	GBP 2.-

System Optimisation
	System Optimisation Glandless pumps	2219250	on request

Energy Solutions
	Energy Solutions Glandless pumps	2219285	GBP 2.-

Repairs
	Repair Glandless pumps	2219609	GBP 2.-