Immergas 3.028358, Instructions And Recommendations

Page: 37 / 80

37
INS
TALLER
U
SER
M
AINTEN
AN
CE
TECHNI
CI
AN
TECHNI
CAL
D
AT
A
Total head available to the system.
H
ea
d (
kPa
)
v6
v9
v9
A
B
C
D
Ci
rc
ul
at
or
pu
m
p a
bs
or
be
d p
ow
er
(W
)
Flow rate (l/h)
36
Key (Fig. 35):
A+B = Head available with by-pass closed
B = Head available with by-pass open
C+D = Power absorbed by the pump with by-pass closed (dotted area)
D = Power absorbed by the pump with by-pass open (dotted area)
Speed (Fig. 35):
v6 = Speed 6
v9 = Speed 9