Name: Yonos PICO-Z 20/0,5-6 158
Brand: Wilo
SKU: 4255415

Data sheet

Hydraulic data
Maximum operating pressure PN	10 bar
Max. fluid temperature T_max	95 °C
Min. fluid temperature T_min	2 °C
Min. ambient temperature T_min	-10 °C
Max. ambient temperature T_max	40 °C
Temperature range at max. ambient temperature +40 °C T	+2...+70 °C
Max. permitted total water hardness	3.57 mmol/l (20°dH)

Motor data
Mains connection	1~230 V, 50/60 Hz
Rated power P₂	30 W
Rated current I_N	0.44 A
Min. speed n_min	700 1/min
Max. speed n_max	4200 1/min
Power consumption P_{1 min}	4 W
Power consumption P_{1 max}	40 W
Emitted interference	EN 61000-6-3
Interference resistance	EN 61000-6-2
Electromagnetic compatibility	EN 61800-3
Insulation class	F
Protection class motor	IPX4D
Speed control	Frequency converter
Motor protection	integrated

Materials
Pump housing	Stainless steel
Impeller	PPO-GF30
Shaft	Oxide ceramic
Bearing	Carbon-graphite

Installation dimensions
Port-to-port length L0	158 mm

Equipment/function

Function
Control mode	Δp-c for constant differential pressure Constant speed (3 speed stages) Constant speed (n-const.)
Display	Actual volume flow Actual power consumption
Pump venting function	Manual

Equipment
Approvals and labels	CE VDE EAC UKCA TR RCM
Display	LED segment display
Display information	Basic Versio n: LED display (small) for showing the set head or speed stage.
Pump control	Electronic-controlled pump
Quick electrical connection	Wilo Connector
Thermal insulation shell	Yes
Operating elements	Green button

Ordering information

Product data
Brand	Wilo
Product description	Yonos PICO-Z 20/0,5-6 158
Article number	4255415
EAN number	4062679265834
Colour	Green
Minimum order quantity	1
Date of sales availability	2023-04-01

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	158 mm
Height with packaging	121 mm
Height H	115 mm
Width with packaging	213 mm
Width W	153 mm
Gross weight, approx. m	1.8 kg
Net weight, approx. m	1.5 kg

This circulator is suitable only for drinking water.

Maintenance-free domestic hot water circulator (glandless pump version) with screwed connection, blocking-current proof synchronous motor according to ECM technology and built-in electronic power control for continuous differential pressure control. Suitable for all domestic hot water systems (+2 to +95 °C).

Standard-equipped with:

Preselectable control modes for optimum load adjustment:
- Δp-c for constant differential pressure
- Constant speed (3 constant speed stages)
- Constant speed (continuously adjustable)
LED display for setting the setpoint, displaying current consumption in watts and flow rate in m³/h, as well as displaying fault and warning messages (error codes)
Integrated motor protection
Automatic deblocking function
Manual pump venting function for venting the rotor chamber
Manual restart
Pump housing made of stainless steel
Quick electrical connection with Wilo-Connector
Thermal insulation shell

Operating data
Max. fluid temperature T_max	95 °C
Min. fluid temperature T_min	2 °C
Min. ambient temperature T_min	-10 °C
Max. ambient temperature T_max	40 °C
Temperature range at max. ambient temperature +40 °C T	+2...+70 °C
Maximum operating pressure PN	10 bar
Max. permitted total water hardness	3.57 mmol/l (20°dH)

Motor data
Emitted interference	EN 61000-6-3
Interference resistance	EN 61000-6-2
Mains connection	1~230 V, 50/60 Hz
Power consumption P_{1 max}	40 W
Max. speed n_max	4200 1/min
Rated current I_N	0.44 A
Protection class motor	IPX4D
Threaded cable connection	1 x PG11

Materials
Pump housing	Stainless steel
Impeller	PPO-GF30
Shaft	Oxide ceramic
Bearing	Carbon-graphite

Installation dimensions
Pump connection	G 1¼
Pump connection (alternative designation)	RP 3/4 DN 20
Port-to-port length L0	158 mm

Ordering information
Brand	Wilo
Product description	Yonos PICO-Z 20/0,5-6 158
Net weight, approx. m	1.5 kg
Article number	4255415

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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.

Pipe installation (1)
Screwed connections/adapters
	Screwed connection Rp ¾ x G 1¼, 1 Set	4233251	GBP 49.-

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


Plug (1)
Connector
	Wilo-Connector	4200870	GBP 33.-

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.-

Yonos PICO-Z 20/0,5-6 158

Glandless pump circulator

Data sheet

Equipment/function

Pump curves

Dimensions and dimensions drawings

Yonos PICO-Z 20/0,5-6 158

Wiring diagram

Ordering information

Filtered by

Datasheet and documentation

Generate PDF

Catalogue creation

Mechanical accessories

Screwed connections/adapters

Electrical accessories

Timer switch SK 601N

Connector

Extended Warranty

Supervision

Installation

Commissioning

Maintenance

System Optimisation

Energy Solutions

Repairs