Engli
s
h
54
WILO SE 05/
2
010
5.3
Accessories
Acce
ss
orie
s
mu
s
t be ordered
s
ep
a
r
a
tely:
• 3 Mounting br
a
cket
s
with fix
a
tion m
a
teri
a
l for in
s
t
a
ll
a
tion on
a
b
as
e
• IR-Monitor
• IR-PDA
• IF-Module PLR for connecting to PLR/interf
a
ce converter
• IF-Module LON for connection to the LONWORKS network
• BACnet IF-Module
• Modbu
s
IF-Module
• CAN IF-Module
See c
a
t
a
logue for det
a
iled li
s
t.
NOTE
IF-Module m
a
y only be plugged in when the pump i
s
de-energi
s
ed
(volt
a
ge-free).
6
Description and function
6.1
Description of the product
The de
s
cribed pump
s
a
re
s
ingle-
s
t
a
ge low-pre
ss
ure centrifug
a
l
pump
s
in comp
a
ct de
s
ign with
a
coupled motor. The pump
s
c
a
n be
in
s
t
a
lled both directly
as
a
pipe in
s
t
a
ll
a
tion pump in
a
s
ufficiently
a
nchored pipe or pl
a
ced on
a
found
a
tion b
as
e.
The pump hou
s
ing h
as
a
n IN-LINE con
s
truction, i.e. the fl
a
nge
s
on the
s
uction
a
nd pre
ss
ure
s
ide
s
lie
a
long
a
centre line. All pump hou
s
ing
s
a
re provided with
a
pump b
as
e. In
s
t
a
ll
a
tion on
a
found
a
tion b
as
e i
s
recommended.
Electronic module
The electronic module control
s
the
s
peed of the pump to
a
s
etpoint
th
a
t c
a
n be
a
dju
s
ted within the control r
a
nge.
Depending on the control mode, the differenti
a
l pre
ss
ure follow
s
dif-
ferent criteri
a
. In
a
ll control mode
s
, however, the pump
a
d
a
pt
s
it
s
elf
continuou
s
ly to the ch
a
nging power requirement
s
of the
s
y
s
tem,
which i
s
the c
as
e e
s
peci
a
lly when thermo
s
t
a
tic v
a
lve
s
or mixer
s
a
re
u
s
ed.
The m
a
in
a
dv
a
nt
a
ge
s
of the electronic control
a
re the following:
• Fewer differenti
a
l pre
ss
ure v
a
lve
s
required
• Energy
sa
ving
s
• Reduction of flow noi
s
e
• Ad
a
pt
a
tion of the pump to ch
a
nging oper
a
ting requirement
s
Legend (Fig. 9):
1
Att
a
chment point, cover
2
The red button
3
Infr
a
red window
4
Termin
a
l
s
trip
5
Di
s
pl
a
y
6
DIP
s
witch
7
M
a
in
s
termin
a
l
s
8
Interf
a
ce for IF-Module
Fig. 9: Electronic module
1
2
3
4
5
7
6
8
