L-PAK 150/250 Advanced
1 Preface
Thank you for using a Nederman product!
The Nederman Group is a world-leading supplier and
developer of products and solutions for the environ-
mental technology sector. Our innovative products
will filter, clean and recycle in the most demanding of
environments. Nederman's products and solutions will
help you improve your productivity, reduce costs and
also reduce the impact on the environment from in-
dustrial processes.
Read all product documentation and the product iden-
tification plate carefully before installation, use, and
service of this product. Replace documentation imme-
diately if lost. Nederman reserves the right, without
previous notice, to modify and improve its products
including documentation.
This product is designed to meet the requirements
of relevant EC directives. To maintain this status, all
installation, maintenance, and repair is to be done
by qualified personnel using only Nederman original
spare parts and accessories. Contact the nearest au-
thorized distributor or Nederman for advice on tech-
nical service and obtaining spare parts. If there are
any damaged or missing parts when the product is de-
livered, notify the carrier and the local Nederman rep-
resentative immediately.
2 Safety
2.1 Classification of important informa-
tion
This document contains important information that
is presented either as a warning, caution or note, ac-
cording to the following examples:
WARNING! Risk of personal injury
Warnings indicate a potential hazard to the
health and safety of personnel, and how that
hazard may be avoided.
CAUTION! Risk of equipment damage
Cautions indicate a potential hazard to the
product but not to personnel, and how that
hazard may be avoided.
NOTE!
Notes contain other information that is import-
ant for personnel.
3 Description
WARNING! Risk of personal injury
See the User Manual.
4 Unit Operation
4.1 Software with extended functional-
ity
L-PAK 150/250 Advanced comes with extended soft-
ware and a standard Logo! PLC display that allows a
technician to easily set parameters and read status
messages.
NOTE!
If the software is used in a logo without a dis-
play, it is not possible to change parameter set-
tings.
4.2 Unit operation modes
L-PAK 150/250 Advanced has the following four oper-
ation modes:
1
Off mode
2
Standby mode
3
Running mode
4
Idling mode
about each mode. How the unit moves from one op-
eration mode to another is explained below. See also
Figure 1 for a flow chart showing how the unit goes
through its four different operation modes.
When the unit is in Off mode, the unit can be put in-
to Standby mode (the unit is ready) with its motor off
and the Filter Cleaning Valve (FCV) closed by press-
ing the Standby/Running button. While the unit is in
Standby mode, the unit can be put back into Off mode
again by pressing the Standby/Running button.
NOTE!
If power is lost to the unit, for example, if there
is a power outage, and Zero voltage detection
is set to OFF, see
unit goes immediately back into Standby mode
once power is resumed without having to push
the Standby/Running button.
The unit goes from Standby mode into Running
mode when it receives a pilot signal by a valve being
opened at one or more work stations (in other words,
someone starts to work). The unit’s motor is now on
and the FCV is closed. The DIR_Time and SSR_Time
timers are not started, see
and
The unit stays in Running mode as long as there is an
active pilot signal. However, the unit can still be put
into Off mode by pressing the Standby/ Running but-
ton.
Note that if only one workstation is connected to
the unit, or if only one workstation is in use and work
stops at that one station, the pilot signal stops. If
there is more than one work station connected to the
unit, and more than one work station is in use, the pi-
6
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