Immergas 3.025499, Instruction And Recomendation Booklet

Page: 21 / 68

21
1-27A
1-27B
A
A
A
A
B
B
B
B
INS
TALLER
US
ER
MAINTEN
AN
CE TECHNI
CI
AN
Head available to the direct zone system.
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)
Speed
7
Speed 2
Constant head ( Δ P C).
Proportional head ( Δ P V).
Speed
7
Speed 2
Head available to the mixed zone system.
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)
Speed
7
Speed 7
Speed 2
Speed 2
Constant head (
Δ
P C).
Proportional head (
Δ
P V).