Danfoss VLT 2800 Bedienungsanleitung PDF herunterladen (Seite 3)

Real side-by-side mounting DC-coil built inIntegrated heat control in IGBTHot pluggable display incl copy function.

SUB-D9 plug

Cold plate technology

Die-casted chassis

Quick Menu ButtonVarious coded plugs

Enhanced sleep mode

When using pumps with at pump

curves or when the suction pressure

varies, this feature provides excellent

control for shutting down the pump

at low ow, thus saving energy.

Pipe ll mode

Pipe Fill Mode to prevent water hammering

Flexible mounting

VLT® 2800 is designed for exible

mounting. A ventilated heatsink

allows for side by side mounting and

even horisontal mounting.

User friendly

Entering motor data in the quick

menu via the Local Control Panel is all

you need to be up and running.

Dry run detection

New features improve pump opera-

tion signicantly and result in

improved energy savings as well as

pump protection in case of dry run

situations.

This new feature will protect the

pump in case the well runs dry, by

shutting down before damaging the

pump.

Important features are:

• Automatic or manual restart after

shut down

• Programmable restart delay up to

one hour.

• Shut down at low or no ow

• Operates in either open or closed

loop

Important features are:

• Automatic restart after shut down

based on pressure

• Boost function to increase pressure

for a period after shut down

• Operates in closed loop

Pressure

Filled pipe set

point

Normal operation

Initial ramp

Time

Power

Normal mode

Sleep mode or

Dry Run mode

Frequency

Max. pump

frequency

Min. pump

frequency

Min. pump

power

Max. pump

power

Single-phase

VLT® 2800 provides three-phase

power from a single-phase line outlet.

When a VLT® 2800 single-phase is

used, it’s just like getting three-phase

power from a standard power socket

– for pumps, fans, blowers etc. Now

up to 3.7 kW (5 HP).

Applications

operated by VLT® 2800

• Pump

• Fan

• Conveyor

• Extruder

• Mixer

• Wrapper

• Gantry Crane

(small loads)

• Cutting

• Rotor spinning

• Winder

• Wobble

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