Watson-Marlow APEX10 - Manual (Page 45)

MAINTENANCE
45
2. Mount the breather (A) with high-level float
switch.
3. Connect the high-level float switch to the
auxiliary power circuit via the 1.5 metre long
PVC cable (2 x 0.34 mm
2
). Bear in mind that
the electrical contact of the float switch is
normally closed (NC). The knob is upwards for
normally closed operation. When the lubricant
level is (too) high the contact will open.
A
NC
Specifications
*
* For use in non-explosive atmospheres.
Voltage: Max. 230 V AC/DC
Current: Max. 2 A
Power: Max. 40 VA
Where the float switch is constructed to
stop the equipment, operating has to be
arranged so that the stop function locks-
out, preventing the equipment from being
re-started without re-setting. Check if the
float switch is mounted with the NC sign at
the top.