8 Adapting the unit to the heating installation
20 Installation and maintenance instructions ecoFIT pure 0020230533_01
A Remaining feed head
[mbar]
B Flow rate [l/h]
1 Max. PWM
2 Min. PWM
8.3 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.
Conditions: d.14 is set to 0 = auto
▶ Do not change the factory settings.
Conditions: d.14 is set to 1 - 5
▶ Remove the front casing. (→ Page 9)
▶ 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 default
setting. In this case, you must
set the pump to the maximum
speed.
Mid-position (six anti-
clockwise rotations)
Default setting
Five further anti-clockwise
rotations starting from the
mid-position
If noises are produced in the
radiators or radiator valves.
▶ Install the front casing. (→ Page 9)
8.4 Setting the hot water temperature
Danger!
Risk of death from Legionella.
Legionella multiply at temperatures below
60 °C.
▶ Ensure that the operator is familiar with all
of the Anti-legionella measures in order
to comply with the applicable regulations
regarding legionella prevention.
▶ Set the hot water temperature.
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