Wilo-Yonos PICO-ZD | Wilo

Wilo-Yonos PICO-ZD

Quick switch to energy-saving hot water circulation for residential and commercial buildings.

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Wilo-Yonos PICO-ZD

Quick switch to energy-saving hot water circulation for residential and commercial buildings.

The Wilo-Yonos PICO-ZD is the ideal replacement pump when switching to energy-saving circulators for domestic hot water applications in residential and commercial buildings. The high-efficiency twin-head pump enables the use of all control modes in both single and parallel operation. Its stainless steel housing and the internal bypass circulation prevent Legionella growth. The Wilo-Connector enables quick electrical installation. New, equivalent pump variants with the continuous control mode “n-cst” for correct pump curve selection make replacing a Wilo-Star-ZD very easy. With the automatic and manual restart and the pump venting function, the Wilo-Yonos PICO-ZD offers all the standard functions required for reliable operation.

Recommended services

Your advantages

Hygienic safety ensured by stainless steel pump housing and internal bypass circulation
EC motor enables energy-saving supply
Easy maintenance and a higher degree of operational reliability with automatically and manually triggered restart or pump venting function for each pump
Current parameters such as flow and power consumption in view at all times via LED display
Green Button Technology, intuitive user interface with LED display and continuous control functions offer ease of use
Simple electrical installation with the Wilo-Connector

Design

Glandless twin-head circulator with screwed connection, blocking-current proof EC motor and integrated electronic power control.

Application

Domestic hot water circulation systems in building services and in the industry.

Equipment/function

Operating modes

Δp-c for constant differential pressure
Constant speed (3 constant speed stages)
Constant speed (continuously adjustable)

Manual functions

Setting the operating mode
Setting of pump output (delivery head)
Setting the constant speed (continuous or fixed)
Pump venting function
Manual restart

Automatic functions

Continuous power adjustment depending on the operating mode
Automatic restart
Automatic dry-running detection

Signal and display functions

Display of the current power consumption in W
Display of the current volume flow in m³/h
Displays during setting:
- Delivery head in m
- Constant speed (c1, c2; c3)
- Speed during continuous adjustment (n/100)
Display of fault messages (error codes)
Display of manually activated restart or pump venting function

Equipment

Quick electrical connection with Wilo-Connector
Blocking-current proof motor
Particle filter

Twin-head pump function

Main/standby mode (automatic fault-actuated switchover/time-dependent pump cycling). If the twin-head pump is to be operated in main/standby operation, the control mode and the delivery head or speed stage must be set so they are identical.
Parallel operation (efficiency-optimised peak load activation and deactivation). If the twin-head pump is to be operated in parallel/peak-load operation, the control mode and the delivery head or speed stage must be set so they are identical.
An additional switchgear is required for switching the pumps, e.g. in the event of a fault.

Typekey

Example:	Wilo-Yonos PICO-ZD 25/0.5-6 180
Yonos PICO	High-efficiency pump (screw-end pump), electronically controlled
-ZD	Domestic hot water circulation, twin-head pump
25/	Nominal connection diameter
0.5-6	Nominal delivery head range [m]

Technical data

Fluid temperature +2 °C to +95 °C
Mains connection 1~230 V, 50 Hz
Protection class IPX4D
Screwed connection G1½
Max. operating pressure 10 bar

Materials

Pump housing: Stainless steel
Impeller: Plastic
Shaft: Oxide ceramic
Bearing: Carbon, synthetic resin-impregnated

Scope of delivery

Pump
2x Wilo-Connector
Gaskets for threaded connection
Installation and operating instructions

Accessories

Screwed connections
Adapter fittings
Wilo-Connector with 2 m connection cable and shockproof plug
Angle plug with 2 m connection cable

Installation and operating instructions

Wilo-Yonos PICO-Z - Quick Guide

Article Number	4252849
Edition	2022-11
Number of pages	80
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 (19 MB)

Wilo-Yonos PICO-Z

Article Number	4258256
Edition	2023-02
Number of pages	28
Language	en

PDF (4 MB)