Delivery Range; Pump Description; Pump Settings And Performance; The Tap Changer - WITA U 25 Original Einbau- Und Betriebsanleitung

WITA U 25 | U 35 | U 55 | U 65 | U 80 | U 120
Caution!
The use of inadmissible pumped media can destroy the pump
and cause personal injuries. Always observe the manufacturer's
instructions and safety data sheets!
4.2

Delivery range

• Original installation and operating instructions
• Pump
• 2 flat gaskets

5 Pump description

The pump is designed for circulating hot water in central heating systems and is also suitable
for pumping low-viscosity media in the industrial and commercial sector.
It is also suitable for solar technology systems. It has three switchable power stages with which
it can be optimally adapted to the pipe network.

6 Pump settings and performance

Description of the operating elements
6.1

The tap changer

With the switch on the side of the terminal box one of the three possible characteristics
can be selected.
Characteristic U 55
H
(m)
5
III
4
II
3
I
2
1
0
0 1 2 3 Qm3/h
Translation of the original installation
and operating instructions
Note
25