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Star-ZD 25/6

Name: Star-ZD 25/6
Brand: Wilo
SKU: 4111288

Glandless pump circulator

Article number: 4111288

Series Star-ZD

	Glandless standard twin-head pump	Existing pump



Description
Product description	Yonos PICO-ZD 25/0,5-6 180	Star-ZD 25/6
Article number	4255425	4111288
Series	Yonos PICO-ZD	Star-ZD
Mains connection	1~230 V ±10%, 50/60 Hz	1~230 V ±10%, 50 Hz
Pump connection	G 1½	G 1½
Pump connection (alternative designation)	RP 1	RP 1
	DN 25	DN 25
Display	LED segment display	No display
Comment	Fits without modifications	-
Port-to-port length l0	180 mm	180 mm
Operating data
Standard	-	-
Function
Control mode	Δp-c for constant differential pressure	-
	Constant speed (3 speed stages)	-
	Constant speed (n-const.)	-
	-	Constant speed (1 speed stage)
Display	Actual volume flow	-
	Actual power consumption	-
Pump venting function	Manual	-
Equipment
Quick electrical connection	Wilo Connector	-
Operating elements	Green button	-
Motor data
Rated power P₂	30 W	57 W
Min. speed n_min	700 1/min	2000 1/min
Max. speed n_max	4200 1/min	2700 1/min
Power consumption P_{1 min}	4 W	-
Power consumption P_{1 max}	40 W	128 W
Emitted interference	EN 61000-6-3	EN 61000-6-3
Interference resistance	EN 61000-6-2	EN 61000-6-2
Electromagnetic compatibility	EN 61800-3	EN 61800-3
Insulation class	F	F
Protection class	IPX4D	IP44
Phases	1	1
Mains connection	1~230 V, 50/60 Hz	1~230 V, 50 Hz
Materials
Impeller	PPO-GF30	PPE-GF30
Shaft	Oxide ceramic	Oxide ceramic
Bearing	Carbon-graphite	Carbon, synthetic resin-impregnated
Material	Stainless steel	Bronze, CC499K
Pipe connection
Inlet connection	G 1½	G 1½
PN connection on suction side	PN 10	PN 10
Outlet connection	G 1½	G 1½
PN connection on discharge side	PN 10	PN 10
Dimension, weight
Length with packaging	240 mm	215 mm
Length L	180 mm	180 mm
Height with packaging	121 mm	160 mm
Height H	212 mm	158 mm
Width with packaging	250 mm	250 mm
Width W	142 mm	211 mm
Gross weight, approx. m	4.4 kg	6.7 kg
Net weight, approx. m	3.7 kg	6.5 kg
Ordering information
Product description	Yonos PICO-ZD 25/0,5-6 180	Star-ZD 25/6
Brand	Wilo	Wilo
EAN number	4062679276687	4016322985976
Article number	4255425	4111288

Data sheet

Hydraulic data
Maximum operating pressure PN	10 bar
Delivery head for Qmin H _Qmin	6.1 m
Max. volume flow Q_max	9.0 m³/h
Min. fluid temperature T_min	2 °C
Max. fluid temperature T_max	65 °C
Min. ambient temperature T_min	0 °C
Max. ambient temperature T_max	40 °C
Max. permitted total water hardness	3.21 mmol/l (18°dH)

Motor data
Mains connection	1~230 V, 50 Hz
Rated power P₂	57 W
Rated current I_N	0.56 A
Max. speed n_max	2700 1/min
Power consumption P_{1 max}	128 W
Emitted interference	EN 61000-6-3
Interference resistance	EN 61000-6-2
Protection class motor	IP44
Insulation class	F
Threaded cable connection	1 x PG11
Motor protection	no

Materials
Pump housing	Bronze, CC499K
Impeller	PPE-GF30
Shaft	Oxide ceramic
Bearing	Carbon, synthetic resin-impregnated

Installation dimensions
Port-to-port length L0	180 mm

Ordering information

Product data
Brand	Wilo
Product description	Star-ZD 25/6
Article number	4111288
EAN number	4016322985976
Colour	Green
Minimum order quantity	1
Date of sales availability	2010-09-01
Successor model article number	4255425
Successor model designation	Yonos PICO-ZD 25/0,5-6 180

Packaging
Packaging type	Cardboard box
Packaging property	Sales packaging
Pieces per pallet	60
Number per layer	12

Dimension, weight
Length with packaging	215 mm
Length L	180 mm
Height with packaging	160 mm
Height H	158 mm
Width with packaging	250 mm
Width W	211 mm
Gross weight, approx. m	6.7 kg
Net weight, approx. m	6.5 kg

This circulator is suitable only for drinking water.

Domestic hot water circulator, glandless twin-head pump in the same housing with switchover valve, for pipe installation with screwed connection, blocking-current proof motor and manual 3-stage speed connection. Pump housing made of bronze, impeller made of plastic, ceramic shaft, resin-impregnated carbon friction bearings.

Operating data
Max. fluid temperature T_max	65 °C
Min. fluid temperature T_min	2 °C
Min. ambient temperature T_min	0 °C
Max. ambient temperature T_max	40 °C
Maximum operating pressure PN	10 bar
Max. permitted total water hardness	3.21 mmol/l (18°dH)

Motor data
Emitted interference	EN 61000-6-3
Interference resistance	EN 61000-6-2
Mains connection	1~230 V, 50 Hz
Power consumption P_{1 max}	128 W
Max. speed n_max	2700 1/min
Rated current I_N	0.56 A
Protection class motor	IP44
Threaded cable connection	1 x PG11

Materials
Pump housing	Bronze, CC499K
Impeller	PPE-GF30
Shaft	Oxide ceramic
Bearing	Carbon, synthetic resin-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	Star-ZD 25/6
Net weight, approx. m	6.5 kg
Article number	4111288

Mechanical accessories

Pipe installation (3)
Screwed connections/adapters
	Screwed connection R 1/∅ 28 i x G 1½, 1 Set	112047195	on request
	Screwed connection R 1/∅ 28 i x G 1½, 24 Set	112047596	on request
	Adapter G 1½/G 2	4105914	on request


Pipe installation, adapter fitting (2)
Threaded adapter R
	Threaded adapter R 5, MS	110678298	on request
	Threaded adapter R 12, MS	110788294	on request

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	on request

Supervision
	Supervision Glandless pumps	2219320	on request

Installation
	Installation Glandless pumps	2219355	on request

Commissioning
	Commissioning Glandless pumps	2219390	on request

Maintenance
	Maintenance BASIC Glandless pumps	2219530	on request
	Maintenance COMFORT Glandless pumps	2219416	on request
	Maintenance PREMIUM Glandless pumps	2219545	on request

System Optimisation
	System Optimisation Glandless pumps	2219250	on request

Energy Solutions
	Energy Solutions Glandless pumps	2219285	on request

Repairs
	Repair Glandless pumps	2219609	on request