3M Dynapro Series B ET 3170 Guide
Installing the NEMA 4X Hatch
ET 350 Monitor (Models ET 350R and ET 350L3) and ET 3170 Terminal
Intended Use
When properly installed using the materials provided, and
according to these instructions, the NEMA 4X hatch is
intended to provide a NEMA 4X/IP66 seal on all sides for
the 3M Dynapro
TM
ET 350 monitor (specifically, ET 350R
and ET 350L3 monitors) and the ET 3170 terminal. The
ET 350L3 monitor is also UL Listed for use in Pollution
Degree 3 environments.
Product safety information
Read and understand all safety information in this
document before installing and using the NEMA 4X hatch.
WARNING
To reduce the risks associated with electric shock or fire
which, if not avoided, may result in death or serious injury
and/or property damage:
! Follow all product and accessory installation instructions.
! Any servicing or other procedures not described in this
document are to be performed only by 3M Touch Systems
service personnel.
WARNING
To reduce the risks associated with electric shock or fire
which, if not avoided, could result in death or serious injury
and/or property damage.
! Wiring installation should be done by a journeyman electrician
and must comply with federal and local electrical codes.
! Properly install the ET unit with a NEMA 4X gasket that is
undamaged and effective.
! Properly install the ET unit so that it is environmentally sealed to
the NEMA 4X/IP66 standard. Do not use an ET unit that is not
rated for NEMA 4X/IP66 in environments that require such a
seal.
WARNING
To reduce the risks associated with electric shock or fire
which, if not avoided, could result in death or serious injury
and/or property damage.
! Choose fittings and a power cable that provide adequate strain
relief for communications and power cables.
! A cable/fitting combination will have to be found that meets local
electrical requirements and the requirements for a NEMA 4X
seal.
! When connecting power with fixed field wiring, the power cable
must be double insulated. A clear, flexible insulator (supplied)
must cover the portion of the cable that is not double insulated
when connecting to a terminal strip connector.
! When closing the hatch of the ET unit, make sure that it closes
flush and that the hatch screws do not bind when they are
attached. If the hatch is not closed properly, the NEMA 4X seal
may be compromised and the warranty invalidated.
CAUTION
To reduce the risk associated with electric shock or fire that
may result in personal injury or property damage:
! After making an opening for cables, make sure that there are no
metal shavings in the hatch.
! Use round cables that fit the diameter range of the cable fitting,
as shown in Table A, to meet local electrical requirements and
the requirements for a NEMA-4X/IP66 seal.
3M Touch Systems Proprietary Information
1
Installing the NEMA 4X Hatch
Equipment
Materials supplied
The following materials are supplied for installing the
NEMA 4X hatch:
! 1 NEMA 4X hatch (with removable plate attached).
! 1 NEMA 4X extended hatch cover
For details about the supplied cable fitting
components, see Table A.
Tools required
To install the NEMA 4X hatch, you will need the
following:
! Horizontal work surface with a padded cover or foam
pads to protect the front bezel and the display of the
unit.
! Flat blade screwdriver with 3/16-inch blade
! No. 1 Phillips torque screwdriver
! 1 19/32" (15 mm) open-end wrench
! 1 15/16" (24 mm) open-end wrench
! 1 gasket
! 4 #6-32 Phillips screws
! Cable fitting components (3 large sizes and 3 small
sizes of each component are provided):
! Locking nut
! O-ring
! Body hex with compression sleeve
! Sealing nut
Attaching the gasket
Important
If you ordered the ET 350L3 monitor, the hatch gasket was
attached at the factory. Proceed to “Preparing the hatch for
cables”.
1. Place the ET unit face down on a horizontal work
surface (covered with foam pads or other material to
protect the unit’s bezel and touch screen), with the
access hatch facing you.
2. Before removing the gasket backing, position the
gasket over the recessed edge of the access hatch
opening so that you know which way it fits.
3M Touch Systems Proprietary Information
2
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