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e.g. blocked paint filter, otherwise Pump warranty may be invalidated.
This is necessary to protect the Pump mechanics from overload.
It is recommended that a Local Control Box is positioned in close proximity to the pump, as a convenient local
Start / Stop facility and Junction box.
INSTALLATION
The Pump Units are designed for location in Zone 1 Hazardous areas, ATEX Category 2.
Electrical connections must be in accordance with Local Regulations for installation in Hazardous Areas.
The Pressure Switch should be wired as a Normally Closed contact (fail safe) and be hard wired to stop the motor
on operation, to minimise response time.
The Pressure Switch is classified as simple apparatus and as such should be electrically connected as part of an
intrinsically safe electrical circuit.
An adapter to mount a pressure switch and pressure sensor is available, see accessories.
It is recommended that the switch setting is set to 1 bar [14.5 psi] above the maximum required pressure.
The maximum pressure setting the Pressure Switch should be set to is 20 bar [305 psi] and 17 bar [246 psi]
respectively.
The main Pump Control Panel must be positioned within an Electrically Safe Area.
A Pressure switch (and/or Pressure relief valve) must be connected to the outlet manifold port and set to stop the
pump (or relieve the fluid pressure) in the event of the system overpressure
77-3229 R4.1
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Содержание E4-60
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