Wilo TOP-Z Instrucciones De Instalación Y Funcionamiento página 41

For 1~ pumps with terminal box type 1, 3 (Fig. 4):
Undo the fastening screws, then remove the terminal box cover, set the inner
3-stage-rotary switch (Fig. 4, item 3) to the symbol of the required speed stage
in the terminal box and properly close the terminal cover.
When the terminal box cover is closed, the speed stage setting can be viewed
through the viewing window.
For 1~ pumps with terminal box type 2, 4 (Fig. 4):
• Speed change-over in the terminal box:
• Undo the fastening screws, then remove the terminal box cover, select the
desired speed stage for the terminal box type 2/4 by changing over the cable
jumpers, then correctly refit the terminal box cover.
• External speed change-over outside the terminal box (pumps with cable ver-
sion):
• A cable as per wiring diagram Fig. 7b can be connected for externally switch-
ing speed stages. Undo the fastening screws, then remove the terminal box
cover, remove the cable jumpers, feed in the cable through the PG cable gland
and connect it, then correctly refit the terminal box cover. The cable end
should be connected to an external 3-speed selector.
NOTICE! If the cable jumpers are not connected or incorrectly connected, the
pump will not start. Produce connection according to terminal box 2/4 or wiring
diagram Fig. 7b.
For 1~ and 3~ pumps with terminal box type 5, 6, 7 (Fig. 4):
The switching plug in the terminal box can be set to a maximum two or three
stages (depending on the terminal box type).
Undo the fastening screws, then remove the terminal box cover, remove the
switching plug (Fig. 4, item 3) only when the pump is switched off and re-insert
so that the symbol of the required speed stage in the terminal box is shown by
the corresponding marking of the switching plug.
When the terminal box cover is closed, the speed stage setting can be viewed
through the viewing window.
8.3 Decommissioning
The pump must be decommissioned before carrying out maintenance, repair or
dismantling work.
DANGER! Risk of fatal injury!
There is a risk of fatal injury from electric shock when working on electrical
devices.
• Have work on the electrical part of the pump carried out strictly only by a
qualified electrician.
Installation and operating instructions Wilo-TOP-Z
English
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