30
Installation and maintenance instructions ecoFIT pure 0020230531_06
0
50
100
150
200
250
300
350
0
200
400
600
800
1000
1200
A
B
1
2
A
Remaining feed head
[mbar]
B
Flow rate [l/h]
1
Max. PWM
2
Min. PWM
30c:
0
50
100
150
200
250
300
350
400
450
0
200
400
600
800
1000
1200
A
B
1
2
A
Remaining feed head
[mbar]
B
Flow rate [l/h]
1
Max. PWM
2
Min. PWM
35c:
0
50
100
150
200
250
300
350
400
0
500
1000
1400
A
B
1
2
A
Remaining feed head
[mbar]
B
Flow rate [l/h]
1
Max. PWM
2
Min. PWM
10.3
Setting the bypass valve
Caution.
Risk of material damage caused by incor-
rect setting of the high-efficiency pump
If the pressure at the bypass valve is in-
creased (by turning it clockwise) and the
pump output is set to less than 100%, the
product may not operate correctly.
▶
In this case, set the pump output to
5 = 100% using diagnostics parameter
d.14
.
1.
Remove the front casing. (
1
2.
Regulate the pressure using the adjusting screw
(1)
.
Position of the adjusting
screw
Notes/application
Right-hand stop (screwed
all the way in)
If the radiators do not heat
up sufficiently at the factory
setting. In this case, you must
set the pump to the maximum
speed.
Mid-position (six anti-
clockwise rotations)
Factory setting
Five further anti-clockwise
rotations starting from the
mid-position
If noises are produced in the
radiators or radiator valves.
3.
Install the front casing. (
10.4
Setting the domestic hot water temperature
1.
Observe the applicable regulations regarding legionella
prevention.
Danger!
Risk of death from legionella.
Legionella multiply at temperatures below
60 °C.
▶
Ensure that the end user is familiar with
all of the Anti-legionella measures in order
to comply with the applicable regulations
regarding legionella prevention.
2.
Set the domestic hot water temperature.
