CTC Union EcoZenith i350 L 1x230V, Installation And Maintenance Manual

Page: 62 / 132

62 CTC EcoZenith i360
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
105
110
115
Q [l/s]
P
re
ss
ur
e
d
ro
p
o
f c
o
m
b
in
at
io
n
[E
co
Z
en
ith
i3
50
L
+
H
ea
tp
um
p
]
EcoZenith i360 L
EcoZenith i360 H
EcoAir 406
EcoPart 408
EcoAir 610M/614M
EcoPart 406
EcoPart 410/
EcoAir 408
EcoPart 412
EcoPart 612M/616M
0 0,05 0,1 0,15 0,2 0,25 0,3 0,35 0,4 0,45 0,5 0,55 0,6
Pump pressure at 15% = minimum speed
120
Upper limit pump graph
≈
5
0
k
P
a
p
re
ss
u
re
lo
ss
h
o
u
se
@
0
,2
5
l/
s
≈ 15 kPa pressure loss EcoZenith i350 + EcoAir 610M @ 0,25 l/s
≈ 50 kPa pressure loss house @ 0,25 l/s
The total pressure loss of the heat system ≈ 65 kPa pressure loss in total @ 0,25 l/s
Compare pump reference graph to pump diagram for % PWM input signal required
Example for calc. @ required flow 0,25 l/s
≈ 15 kPa pressure loss
EcoZenith i350 + EcoAir 610M
@ 0,25 l/s
EcoAir 622M
12m
10m
8m
6m
4m
2m
Pressure [kPa]
approx. 15 kPa pressure
differential for CTC EcoZenith i360
+ EcoAir 510M at 0.25 l/s
approx. 50 kPa pressure differential for piping system in the house at 0.25 l/s
Curve for highest pump capacity
Pressure [kPa]
Pump curve for PWM signal
approx. 70% may be suitable
for the example below
combined pressure differential for CTC EcoZenith i360 L and various
heat pumps
11.4 Pressure differential for heating medium side
Flow speed [l/s]
Example for calculating speed pump at required fl ow 0.25 l/s approx. 15 kPa pressure differential for EcoZenith
i360 + EcoAir 610M at 0.25 l/s approx. 50 kPa pressure differential for piping systems in house at 0.25 l/s.
The total pressure differential. over the heating circuit is approximately 65 kPa at 0.25 l/s.
Compare against reference curves from the pump curve included in the diagram.
Approx. 70% for PWM signal to charge pump may be a suitable setting.
Product Kvs
value Product Kvs
value Product Kvs
value
CTC EcoZenith i360 L 2.6 CTC EcoAir 610M/614M 5 CTC EcoPart 406 4.2
CTC EcoZenith i360 H 2.7 CTC EcoAir 622M 7.5 CTC EcoPart 408 4.3
CTC EcoAir 406 4.9 CTC EcoPart 410 5.8
CTC EcoAir 408 5.8 CTC EcoPart 412 6.0
CTC EcoPart 612M 4.7
CTC EcoPart 616M 4.7
The diagram below shows the total pressure differential for CTC EcoZenith i360 and the heat
pump specified by the curve to the right of the diagram. Curves from the pump diagram on
the previous page are added for reference.