Safety Instructions; Intended Use; Product Overview - Dräger Junction Box Ex d Instrucciones De Montaje

1

Safety instructions

Junction Box Ex d
Before using the product, carefully read the instructions for
use of the gas detector used. This document does not replace
the instructions for use.
2 Description
2.1

Product overview

X
1
2x
2x
2
X Remote cable harness set for Polytron
Y Remote cable harness set preassembled in Junction Box
Ex d
1 Screws for mounting the remote cable harness in Poly-
® 1)
tron 5000/8000
2 Screw bridges for mounting in the remote cable harness
®
set for Polytron 5000/8000 (for 3-core field wiring)
3 Screw bridges for mounting in the remote cable harness
set Y (for 3-core field wiring)
4 Ferrules for field wiring
1) Not relevant for PointGard 2200 CAT
Assembly instructions |
Junction Box Ex d
Y
2x
12x
4
3
®
5000/8000

2.2 Intended use

The Junction Box Ex d is an explosion-proof sensor enclosure
that makes it possible to install the sensor separately from the
transmitter. The housing consists of robust stainless steel or
aluminum and is suitable for indoor or outdoor applications.
The Junction Box Ex d is suitable for wall, ceiling and duct
mounting.
Duct mounting requires additional connection kits.
3 Installation
Prerequisite:
– When using a Polytron,
transmitter.
1. Attach the Junction Box Ex d to one of the following
options.
Option
Mounting on a flat surface
Mounting to a bar or beam
Mounting in a pipe/duct
For PIR 7x00 sensors:
● Mount the housing of the Junction Box Ex d on the
mounting spacer (Fig. D).
2. Ground the housing using the grounding screw. (Fig. A1).
3. Unscrew the lid.
4. Screw in the sensor (at least 5 rotations and 266 LB IN. /
30 Nm).
5. Observe the preferred position of the sensor (Fig. A2).
For PIR 7x00 sensors (Fig. A2a):
1)
● The "Dräger" lettering on the splash guard must read
horizontally.
A deviation from the horizontal of ±30° maximum is
permissible.
6. Connect the sensor plug to the socket of the cable
harness (Y) (Fig. B1).
● In case of DD/DQ CatEx sensors, twist the sensor
1)
cables with 7 rotations (Fig. B2).
7. Feed the field wiring through the cable entry and connect it
to terminal (Y).
In case of 3-core field wiring:
● Install screw bridges between contacts 1a/1b and
3a/3b of the terminals. (Fig. C).
8. Attach the lid and tighten it (≥44 LB IN. / ≥5 Nm) (Fig. E).
9. Tighten the set screw (≥ 8 LB IN. / ≥0.7 Nm) (Fig. E).
10. Close unused housing openings with screw plugs.
Safety instructions
®
first unscrew the sensor from the
Use a drilling template (part
number 4544299) and attach
it using 4 screws (M6 x 10).
Mount kit (part number
4544198)
Duct mount kit (part number
6812725)
For PIR 7x00 Part number:
6812300
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