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16
Safety functions and alarms
16.2
Flow monitoring
16.2.1
Input terminal blocks for
flow monitoring
While PoolManager
®
offers two separate inputs for flow monitoring:
16.2.1.1
Measurement water monitoring (standard)
Measurement water flow is usually monitored with an inductive
proximity switch integrated into the measurement chamber. Flowing
water raises the float in the measurement chamber. If the float rises to
the level of the proximity switch, then the latter will supply the flow
signal.
Inductive proximity switch (left)
and float (right)
The proximity switch has three connection lines and is connected to
PoolManager
®
terminal block [2] (
Flow
). The flow signal is ALWAYS
monitored; this monitoring cannot be deactivated for safety reasons.
16.2.1.2
Circulation monitoring (optional)
Optionally, an additional signal can be used to monitor the circulation
circuit.. Doing so usually entails pressure sw
PoolManager
®
terminal block [6] (
IN1
). Alternatively, BNC connector
IN1 (Flow)
can be used, which is internally connected with terminal
block [6] (
IN1
) . PoolManager
®
default configuration is for monitoring
this input to be deactivated. It can be activated as needed in the menu
Alarm settings (Flow alarm settings).
It is also possible to use the sensor
IN1
connected to the input instead
of the inductive proximity switch as the sole sensor for flow monitori
This option can also be configured in the menu
alarm settings).
HAZARD!
Gaseous chlorine produced from dosing in
standing water via unreliable flow monitoring.
If only one single sensor on input
flow monitoring, then there is risk for dosage in
standing water in the event of an error. Poisonous
chlorine gas can be yielded when ChloriLiquid and pH
minus come together.
Potential consequence: Death or the gravest
degree of injury,
heavy material damage.
•
Ensure that the sensor being used is functioning
reliably.
•
Ensure that PoolManager
®
dosage pumps are only
supplied with power while circulation is running;
see section
locking via the circulation pump.
16.2.2
Automatic / manual acknowled
‘PoolManager
®
offers two different options for handling a missing flow
signal:
16.2.2.1
No alarm for missing flow signal
(Default, flow alarm acknowledgement = automatic)
In this option, PoolManager
®
does not assess a missing flow signal as
an error, but rather as a normal operating state. For most swimming
pools, circulation only runs in intervals and not around the clock. In
this case, it is entirely normal for PoolManager
signal in times without circulation.
Accordingly, PoolManager
®
signalises the missing flow signal only as
a normal operating status, not as an alarm status. The special
User Manual PoolManager
®
offers two separate inputs for flow monitoring:
Measurement water monitoring (standard)
Measurement water flow is usually monitored with an inductive
proximity switch integrated into the measurement chamber. Flowing
the measurement chamber. If the float rises to
the level of the proximity switch, then the latter will supply the flow
Inductive proximity switch (left)
and float (right)
The proximity switch has three connection lines and is connected to
). The flow signal is ALWAYS
monitored; this monitoring cannot be deactivated for safety reasons.
Optionally, an additional signal can be used to monitor the circulation
so usually entails pressure switch connected to
). Alternatively, BNC connector
can be used, which is internally connected with terminal
default configuration is for monitoring of
this input to be deactivated. It can be activated as needed in the menu
connected to the input instead
of the inductive proximity switch as the sole sensor for flow monitoring.
This option can also be configured in the menu
Alarm settings (flow
Gaseous chlorine produced from dosing in
standing water via unreliable flow monitoring.
If only one single sensor on input
IN1
is being used for
flow monitoring, then there is risk for dosage in
standing water in the event of an error. Poisonous
chlorine gas can be yielded when ChloriLiquid and pH
Potential consequence: Death or the gravest
Ensure that the sensor being used is functioning
dosage pumps are only
supplied with power while circulation is running;
via the circulation pump.
Automatic / manual acknowledgement
offers two different options for handling a missing flow
(Default, flow alarm acknowledgement = automatic)
does not assess a missing flow signal as
an error, but rather as a normal operating state. For most swimming
pools, circulation only runs in intervals and not around the clock. In
this case, it is entirely normal for PoolManager
®
to not receive a flow
signalises the missing flow signal only as
a normal operating status, not as an alarm status. The special
mechanisms for signalising alarms are not activated (blinking display,
acoustic alarm, etc.).
Dosage is blocked for as long as no flow signal is sent
signal returns and the start delay has passed, PoolManager
automatically returns to normal control system operation.
16.2.2.2
Alarm for missing flow signal
(Flow alarm acknowledgement= manual)
This option is only sensible for swimming pools where
around the clock without interruption. PoolManager
missing flow signal as a grave error that is signalised with various
alarm mechanisms.
IMPORTANT NOTICE!
Manual flow alarm
After the flow signal returns, dosage remains bloc
this option. Blockage is not released until after the flow
signal has returned
acknowledged manually.
16.3
Power-on delay
After turning on PoolManager
®
or once the flow signal has returned
after an interruption (e.g. after tu
configurable delay is initiated. PoolManager
time so that all measured values can stablise. No dosing is performed
during a start delay. Regular operation does not start again until the
start delay has passed.
The Power-on Delay is displayed as follows in the
The first line shows the current remaining runtime on the start delay in
[min]. The second line makes it possible to end start delay prematurely
by pressing the acknowledgement button.
16.4
Alarm signalisation
PoolManager
®
uses multiple mechanisms for clearly signalising alarms
to the user:
•
Striking blinking of the entire display
Blinking ends immediately upon touching the touchscreen.
•
Automatic jump to the menu
Note: The menu
Alarm overview
as follows:
Menu hotkey
Alarm Overview
•
Acoustic alarm signal
(Provided this function is activated for the corresponding alarms in
the menu
Alarm settings
)
The acoustic alarm signal ends immediately upon touching the
touchscreen.
•
Alarm relay connection
Switch output (potential free or 230 VAC) for connecting external
systems to signalise or record alarm statuses (terminal block [25]
(
Alarm
)).
See section
Alarm relay.
44
mechanisms for signalising alarms are not activated (blinking display,
Dosage is blocked for as long as no flow signal is sent. Once the flow
signal returns and the start delay has passed, PoolManager
®
automatically returns to normal control system operation.
Alarm for missing flow signal
(Flow alarm acknowledgement= manual)
This option is only sensible for swimming pools where circulation runs
around the clock without interruption. PoolManager
®
assesses a
missing flow signal as a grave error that is signalised with various
IMPORTANT NOTICE!
Manual flow alarm
After the flow signal returns, dosage remains blocked in
this option. Blockage is not released until after the flow
signal has returned
and
the flow alarm has been
acknowledged manually.
or once the flow signal has returned
after an interruption (e.g. after turning circulation back on), a
configurable delay is initiated. PoolManager
®
will wait for that period of
time so that all measured values can stablise. No dosing is performed
during a start delay. Regular operation does not start again until the
elay is displayed as follows in the
Alarm overview:
The first line shows the current remaining runtime on the start delay in
[min]. The second line makes it possible to end start delay prematurely
acknowledgement button.
uses multiple mechanisms for clearly signalising alarms
Striking blinking of the entire display
Blinking ends immediately upon touching the touchscreen.
Automatic jump to the menu
Alarm overview
Alarm overview
can also be called up at any time
(Provided this function is activated for the corresponding alarms in
nal ends immediately upon touching the
Switch output (potential free or 230 VAC) for connecting external
systems to signalise or record alarm statuses (terminal block [25]