Grundfos Unolift Series Installation And Operating Instructions Manual page 8

3.4.3 Float switch arrangement - Unolift
Unolift [in]
A (Alarm)
10
Fig. 5 Dimensional sketch, float switch
arrangement, Unolift
Float switch arrangement - Duolift
Start
switch
Alarm
switch
Duolift
A (Alarm) B (Start)
12.25 9.75
Fig. 6 Dimensional sketch, float switch
arrangement, Duolift
8
Alarm
switch
Start-stop
switch
All float switches to be set 90 ° from the pump and on opposite
sides of the discharge pipe.
B (Start-Stop)
5.75
Stop
All float switches to be set 90 ° from he pump and
switch
on opposite sides of the discharge pipe.
C (Stop)
8
APB
pump
#1
Cord length for
switches: Alarm: 2 in.
Start-stop: 3 in.
APB
APB
pump
pump
#2
#1
Cord length
for switches
is 3 1/2 in.