Engli
s
h
66
WILO SE 05/
2
010
Differential pressure sensor
connection
NOTE
For double pump
s
or Y-pipe in
s
t
a
ll
a
tion, connect the differenti
a
l
pre
ss
ure
s
en
s
or on the “m
as
ter”.
The me
as
uring point
s
of the differenti
a
l pre
ss
ure
s
en
s
or of the m
as
ter
pump mu
s
t be on the
s
uction
a
nd pre
ss
ure
s
ide of the double-pump
s
y
s
tem in the re
s
pective collector pipe.
Procedure
• E
s
t
a
bli
s
h connection
s
ob
s
erving the termin
a
l
a
lloc
a
tion.
• E
a
rth the pump/in
s
t
a
ll
a
tion
a
ccording to regul
a
tion
s
.
8
Operation
8.1
Operating elements
The electronic
s
module i
s
oper
a
ted u
s
ing the following oper
a
ting ele-
ment
s
:
The red button
The red button (Fig.
2
1) c
a
n be turned to
s
elect menu element
s
a
nd
u
s
ed to ch
a
nge v
a
lue
s
. Pre
ss
ing the red button
a
ctiv
a
te
s
a
s
elected
menu element
a
nd confirm
s
v
a
lue
s
.
DIP switch
The DIP
s
witche
s
(Fig. 9, Item 6/Fig.
22
)
a
re loc
a
ted under the hou
s
ing
cover.
• Switch 1 i
s
for
s
witching between the
s
t
a
nd
a
rd
a
nd
s
ervice mode.
For
a
ddition
a
l inform
a
tion,
s
ee Section 8.6.6 “Activ
a
ting/de
a
ctiv
a
ting
s
ervice mode” on p
a
ge 73.
• Switch
2
a
llow
s
a
ctiv
a
tion
s
or de
a
ctiv
a
tion of the
a
cce
ss
di
sa
ble fe
a
-
ture.
For
a
ddition
a
l inform
a
tion,
s
ee Section 8.6.7 “Activ
a
ting/de
a
ctiv
a
ting
a
cce
ss
di
sa
ble” on p
a
ge 73.
8.2
Display structure
Inform
a
tion
a
ppe
a
r
s
on the di
s
pl
a
y
as
s
hown in the
sa
mple illu
s
tr
a
tion
below:
Cable
Colour
Terminal
Function
1
bl
a
ck
IN1
Sign
a
l
2
blue
GND
E
a
rth
3
brown
+
2
4 V
+
2
4 V
Fig. 21: The red button
Fig. 22: DIP switch
ON
1 2
Fig. 23: Display structure
max
min
2
1
5
2
3
4
4
4
1 0 0 0
0
0
0
2
R P M