For 1~ pumps with terminal box type (Fig. 4a):
Undo the terminal box cover screws, then remove the terminal box cover,
switch the 3-step rotary switch within the box (Fig. 4a) to the symbol for the
desired speed step, then correctly refit the terminal box cover.
When the terminal box cover is closed, the speed step setting can be viewed
through the viewing window.
For 1~ pumps with terminal box type (Fig. 4d):
• Speed change-over in the terminal box:
• Undo the terminal box cover screws, then remove the terminal box cover.
Adjust the selected speed by changing the position of the speed selector,
then correctly refit the terminal box cover.
For 3~ pumps with terminal box type (Fig. 4b and 4c):
The change-over switch in the terminal box can be set to one of a maximum of
two or three steps (depending on the terminal box type).
Undo the terminal box cover screws then remove the terminal box cover, pull off
the change-over switch (Fig. 4c) only with the pump switched off, then replace
it so that the symbol for the desired speed step in the terminal box is indicated
by the respective marking of the change-over plug.
When the terminal box cover is closed, the speed step setting can be viewed
through the viewing window.
8.3 Decommissioning
The pump must be decommissioned before performance of maintenance or
repair work or disassembly.
DANGER! Danger of death!
There is a mortal danger through shock when working on electrical equipment.
• Have work on the electrical part of the pump carried out only by a qualified
electrician as a basic principle.
• Before starting any maintenance and repair work, disconnect the pump from
the power supply, and make sure it cannot be switched back on by unauthor-
ised persons.
WARNING! Risk of burns!
Depending on the operating status of the pump or system (fluid temperature),
the entire pump can become very hot. Touching the pump can cause burns.
Allow the system and pump to cool to room temperature.
9 Maintenance
Before carrying out any maintenance/cleaning and repair work, observe the
chapters "Decommissioning" and "Dismantling/installing the motor". The
safety instructions in chapter 2.6, 7 and 8 must be complied with.
After maintenance and repair work, install and connect the pump as described
in the chapter "Installation and electrical connection". Switch on the system as
described in the "Commissioning" chapter.
Installation and operating instructions Salmson SXS / NSB-S
English
39