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Les langues disponibles
Les langues disponibles
n
¹/min
max
min
0
7 12 15
95 100
Venting The pump venting function is activated by pressing and
Manual restart A manual restart is initiated by pressing and holding the
Lock/unlock the
button
34
iPWM 2 mode:
In iPWM 2 mode, the pump speed is controlled according
to the PWM input signal.
Behaviour in the event of a cable break:
If the signal cable is separated from the pump, e.g. due
PWM
%
to a cable break, the pump stops.
PWM signal input [%]
0-7:
Pump stops (standby)
7-15:
Pump runs at minimum speed (operation)
12-15: Pump runs at minimum speed (starting)
15-95: The speed of the pump increases linearly from
n
min
> 95:
Pump runs at maximum speed
holding the operating button (for 3 seconds) and auto-
matically vents the pump.
The heating system is not vented.
operating button
(for 5 second) and unblocks the pump if required
(e.g. after long standstill period in summer).
The key lock is activated by pressing and holding the
operating button (for 8 seconds) and locks the pump's
current settings. It protects against undesired or unau-
thorised adjustment of the pump.
4 Intended use
High-efficiency circulators in the Wilo-Para series are
exclusively intended for circulating fluids in hot-water
heating systems and similar systems with constantly
changing volume flows.
Permitted fluids:
• Heating water according to VDI 2035
(CH: SWKI BT 102-01).
• Water-glycol mixtures* with a maximum of 50 % glycol.
to n
max
Wilo SE 08/2017
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