Armstrong 3750 Panduan Petunjuk Pemasangan dan Pengoperasian - Halaman 11
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23 .0 warnings and alarms
break tank low/high water level
The low water level alarm will be activated should the break
tank level low switch trip.
The controller will display:
low water level
Functions:
• All pump(s) will stop running
• All pump running contacts de-activate
• Activates 'lll' alarm on display
• Activates 'Low Level' alarm contact. (Enhanced +vfc
version only)
high water level (enhanced only )
Functions:
• All pump(s) will stop running
• All pump running contacts de-activate
• Activates 'hll' alarm on display
• Activates 'High Level' alarm contact. (Enhanced +vfc
version only)
note:
In a high and low level alarm condition the set will trip and
stop all pumps until the water level returns to normal.
The unit will then auto reset and operate as normal.
low system pressure
The low water pressure alarm will be activated should the
pressure at the transducer drop below the value set in
parameter 4.
Functions:
• Activates 'lpr' alarm on display
• Activates 'Common Alarm' contact
• Activates 'Low Pressure' alarm contact (Enhanced +vfc
version only)
note:
This is an alarm. The set will stop all pumps until the
system pressure returns to normal, if low pressure is due to
a system leak it will need to be rectified and system fill pres-
sure restored.
The unit will then auto reset and operate as normal.
high system pressure
The high system pressure alarm will be activated should
the pressure at the transducer rise above the value set in
parameter 5.
3750 Pulpress
pressurisation unit
Functions:
• All pump(s) will stop running
• Activates 'hpr' alarm on display
• Activates 'Common Alarm' contact
• Activates 'High Pressure' alarm contact
note:
This is an alarm. The set will stop all pumps until the system
pressure returns to normal.
The unit will then auto reset and operate as normal.
tr ansducer failure
The transducer failure alarm will be activated should the
transducer lose its signal.
Functions:
• All pump(s) will stop running
• Activates 'sf' alarm on display
note:
This is an alarm. The fault must be rectified before the unit
can operate as normal.
pump tripped
Any pumps that are tripped during operation, either in hand
or auto, will activate the following:
Functions:
• Pump(s) will stop running.
• Activates 'pf1' alarm on display (pump 1)
• Activates 'pf2' alarm on display (pump 2)
• Activates 'pfa' alarm on display (pump 1 & 2)
• Activates pump 1 or 2 contact. (Enhanced +vfc
version only)
note:
This is an alarm. Standby pump will take over and the set will
operate normally in the event of both pumps being tripped
the fault will need to be rectified and alarm manually reset
before the unit can operate normally.
pump running
Any pumps that are running during operation, either in hand
or auto, will activate the following:
Functions:
• Indicates 'p1 or p2' running on display
• Activates relevant 'Pump Running' contact (Enhanced +vfc
version only)
i n sta l l a ti o n &
o p er at i ng i nstr ucti o n s
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