7 Operation
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Hya-Duo D FL
7 Operation
CAUTION
Incorrect operation
Damage to the pump system!
▷
Make sure to comply with all local regulations, particularly the EC Machinery
Directive and the EC Directive on Low-Voltage Equipment.
▷
Check all electric cables prior to commissioning/start-up.
7.1 LED display
The LED display provides information about the operating status.
Table 11:
LED description
LED
Description
Green
Trouble-free operation
Yellow
One or more warnings are active.
Red
Fire-fighting operation active, one or more alarm messages active.
7.2 Operating modes
7.2.1 Manual mode
Manual mode is reserved for emergencies. Continuous manual operation would lead
to waste of energy and water and cause the fluid handled and/or the pump sets to
overheat. A manual-automatic selector switch for each pump set is provided at the
switchgear and controlgear assembly. When the switch is set to
manual
the pump
sets are operated on the power supply network, independently of the automatic
system (pressure switch, remote ON/OFF).
7.2.2 Functional check run
The switchgear and controlgear assembly is fitted with a timer per pump set. During
the functional check run the pump sets are operated directly on the power supply
network, independently of the automatic system (pressure switch, remote ON/OFF).
The functional check run parameters can be set via the timer (see supplied original
operating manual).