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