WITA U 25, Оригинальное руководство по установке и эксплуатации

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Display HE Pumpen
Operating instrutions
WITA U 25 | U 35 | U 55 | U 75
4 Intended Use
The WITA U pumps are designed for circulating hot
water in photovoltaic systems, and are also suitable for
conveying thin liquid media in industry and commerce.
5 Specifications related to the product
5.1 Technical data U 25 | U 35 | U 55 | U 75
U 25 U 35
Maximum delivery head 2.7 m 4.0 m
Maximum flow 2.600 l/h 3.000 l/h
Power consumption P1 (W) 28 - 46 28 - 63
Supply voltage 1 x 230V 50Hz
Acoustic emission pressure level < 40 dB(A)
Protective rating IP 42
Thermal class TF 110
Operating temperature 0 °C to 40 °C
Fluid temperature +5 to 110°C
Max. system pressure 10 bar (1 MPa)
Permissible media to be pumped Water/glycol mixture 1:1
Inlet pressure Permissible range of application
23
Characteristic
U 25
H
(m)
4
3
2
1
0
0 1 2 3 Qm
3
/h
Characteristic
U 35
H
(m)
4
3
2
1
0
0 1 2 3 Qm
3
/h
fluid Minimum inlet pressure
temperature
< 75 °C 0.05 bar 0.005 MPa 0.5 m
75 °C - 90 °C 0.3 bar 0.03 MPa 3.0 m
90 °C - 110 °C 1.1 bar 0.11 MPa 11.0 m
Temperature range Permissible fluid
at maximum temperature
ambient temperature
25 °C 5 °C to 110 °C
40 °C 5 °C to 95 °C