12
8
9
A
A
B
B
C
C
D
D
E
E
L
L
F
F
G
G
H
H
I
I
INS
TALLER
US
ER
MAINTEN
AN
CE
TECHNI
CI
AN
TECHNI
CAL
D
AT
A
Prevalenza disponibile all’impianto a velocità fissa.
Key:
A = Available head
B = Power absorbed by the circulator pump
(dotted area)
Ci
rcu
la
to
r p
um
p a
bs
or
be
d p
ow
er (
W
)
Ci
rcu
la
to
r p
um
p a
bs
or
be
d p
ow
er (
W
)
Flow rate (l/h)
Flow rate (l/h)
H
ea
d (kP
a)
H
ea
d (kP
a)
Direct zone
Direct zone
Mixed zone
Mixed zone
Key:
C = Head available to the system with circulator pump
selector in position C4 (standard setting)
D = Head available to the system with circulator pump
selector in position C3
E = Head available to the system with circulator pump
selector in position P2
F = Head available to the system with circulator pump
selector in position P1
G = Circulator pump power with selector in position
C4 (standard setting)
H = Circulator pump power with selector in position
C3
I = Circulator pump power with selector in position
P2
L = Circulator pump power with selector in position
P1
Prevalenza disponibile all’impianto a velocità proporzionale o costante.
Ci
rcu
la
to
r p
um
p a
bs
or
be
d p
ow
er (
W
)
Ci
rcu
la
to
r p
um
p a
bs
or
be
d p
ow
er (
W
)
Flow rate (l/h)
Flow rate (l/h)
H
ea
d (kP
a)
H
ea
d (kP
a)
MAX
MAX
MIN
MIN