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Factory setting:
Siriux home 40-...
Siriux home 60-...
8.4 Setting the control mode (Fig. 2)
Symbol for the control mode.
Variable differential pressure (Δp-v) :
The differential pressure setpoint is
increased linearly over the permitted
volume flow range between ½H and H.
The differential pressure generated by the
pump is adjusted to the corresponding
differential pressure setpoint (Fig. 2a).
This control mode is especially useful in heating
systems with radiators, since the flow noises at the
thermostatic valves are reduced.
Constant differential pressure (Δp-c) :
The differential pressure generated by the
pump is kept constant over the permitted
volume flow range at the differential
pressure setpoint set on the control knob
(Fig. 2b).
Salmson recommends this control mode for underfloor
heating circuits or older heating systems with large-
sized pipes.
8.5 Night mode
Symbol for the night mode.
The Temperature sensor of the pump is able to detect
when the boiler is in « night mode ».
If the pump detects a
Night curve
Then, the pump will revert to its pre-set operating
curve as soon as an increase in water temperature is
detected.
2 m
3 m
significant drop of water
temperature, it automatically
switches to its night curve to
avoid an unnecessary
consumption of energy.
Function
inactivates
9. M INTEN NCE
Only allow qualified specialist staff to perform
maintenance and repair work!
W RNING! Danger of electric shock!
ny danger from electrical current should be
ruled out.
The pump should be electrically isolated and
secured against unauthorised switch-on during
any maintenance or repair work.
ny damage to the connection cable should
always be rectified by a qualified electrician
only.
14
Function
activates
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