Data sheet: Wilo-Yonos PICO 25/1-8
Pump curves Δp-c (constant)
Approved fluids (other fluids on request)
v
0
0
0,5
1,0
0,4
1,5
0,8
2,0
2,5
1,2
H/m
1,6
3,0 Rp 1
2,0
Rp 1¼
p/kPa
Wilo-Yonos PICO
25/1-8, 30/1-8
7
m/s
70
1~230 V - Rp 1, Rp 1¼
60
6
∆p
50
-c
5
4
40
3
30
ma
2
20
x.
10
1
0
0
1
0
2
3
0,4
4
0,8
Q/m³/h
5
P1/W
max.
60
6m
4m
•
Water-glycol mixtures (max. 1:1; above
20% admixture, the pumping data
•
must be checked)
Permitted field of application
Temperature range at max. ambient
temperature +25 °C
-10...+110 °C
Temperature range at max. ambient
temperature +40 °C
-10...+95 °C
Maximum permissible
operating pressure
6 bar
0
Q/l/s
1,2
Heating water (in accordance with VDI
2035)
Pmax
Pipe connections
2m
40
20
0,5m
0
0
1
2
3
4
Threaded pipe union
Rp 1
Thread
G 1½
Q/m³/h
5
Overall length
Pump curves Δp-v (variable)
L0
180 mm
Motor/electronics
v
0
0
0,5
1,0
0,4
1,5
0,8
2,0
1,2
H/m
3,0 Rp 1
2,5
1,6
2,0
Rp 1¼
≤ 0.20
Electromagnetic compatibility
EN 61800-3
Emitted interference
EN 61000-6-3
Interference resistance
EN 61000-6-2
Speed control
Frequency converter
Protection class
IP X2D
Insulation class
F
10
Mains connection
1~230 V, 50/60 Hz
0
Speed
n
1170 - 4800 rpm
Nominal motor power
P2
33 W
Power consumption
P1
4 - 75 W
Current consumption
I
max. 0.66 A
p/kPa
Wilo-Yonos PICO
25/1-8, 30/1-8
7
Energy efficiency index (EEI)
m/s
70
-v
∆p
1~230 V - Rp 1, Rp 1¼
6
60
5
50
4
40
3
30
ma
2
20
x.
1
0
0
1
0
2
3
0,4
4
0,8
5
Q/l/s
1,2
P1/W
Q/m³/h
max.
4m
6m
60
2m
40
20
0
1m
0
1
2
3
4
5
Motor protection
Not required (blocking-current
proof)
Screwed cable connection connector
11 PG
Q/m³/h
Materials
Pump housing
Grey cast iron (EN-GJL-200)
Impeller
Plastic (PP - 40% GF)
Pump shaft
Stainless steel
Bearing
Carbon, metal impregnated
Minimum suction head at suction port for avoiding
cavitation at water pumping temperature
Subject to change without prior notice.
www.wilo.com 50 Hz
2015-10
1/2
Data sheet: Wilo-Yonos PICO 25/1-8
Dimension drawing
Minimum suction head at 50 / 95 / 110
°C
78
40
G 1½
Information for order placements
180
58
90
38
0.5 / 3 / 10 m
Make
Wilo
Type
Yonos PICO 25/1-8
Art no.
4164019
Weight approx.
m
2.25 kg
• = appropriate, - = not appropriate
The benchmark for the most efficient circulators is EEI ≤ 0.20.
Please also observe the rating plate for the energy efficiency index.
81
34
114
134
Terminal diagram
L
N
PE
Blocking current-proof motor
Single-phase motor (EM) 2‐pole ‐ 1~230 V, 50 Hz
Subject to change without prior notice.
www.wilo.com 50 Hz
2015-10
2/2