PD6870 Explosion-Proof Loop-Powered Process Meter
Instruction Manual
7
Installation
For Installation in USA:
The PD6870 must be in-
stalled in accordance with the National Electrical
Code (NEC) NFPA 70.
For Installation in Canada:
The PD6870 must be in-
stalled in accordance with the Canadian Electrical
Code CSA 22.1. All input circuits must be derived
from a CSA approved Class 2 source.
For European Community:
The PD6870 must be in-
stalled in accordance with the ATEX directive
2014/34/EU and the product certificate Sira
10ATEX1116X.
•
Installation and service should be performed only
by trained service personnel. Service requiring
replacement of internal components must be
performed at the factory.
•
Disconnect from supply before opening
enclosure. Keep cover tight while circuits are
alive. Conduit seals must be installed within
18" (450mm) of the enclosure.
All controls and wiring connections are located on the
display module that is accessed by removing the en-
closure cover. The controls can be accessed without
removing the display module. The wiring connections
can be accessed by removing the display module
which is secured to the enclosure by two captive
screws.
Unpacking
Remove the meter from box. Inspect the packaging
and contents for damage. Report damages, if any, to
the carrier.
If any part is missing or the meter malfunctions,
please contact your supplier or the factory for
assistance.
Pre-Installed Conduit Plug
The PD6870 is supplied with one pre-installed conduit
plug for installations that do not require the use of
both conduit entries. The conduit/stopping plug in-
cludes an internal hexagonal socket recess for
removal. The conduit plug and its factory installation
are included in all hazardous area approvals of this
product.
•
In hazardous areas, conduit and conduit/stopping
plugs require the application of non-setting
(solvent free) thread sealant. It is critical that all
relevant hazardous area guidelines be followed for
the installation or replacement of conduit or plugs.
Mounting
The PD6870 has two slotted mounting flanges that
may be used for pipe mounting or wall mounting.
Alternatively, the unit may be supported by the
conduit using the conduit holes provided.
Refer to
•
Do not attempt to loosen or remove flange bolts
while the meter is in service.
Dimensions
All units: inches (mm)
Figure 1. Enclosure Dimensions – Front View
Figure 2. Enclosure Dimensions –
Side Cross Section View
Note:
The supplied conduit plug may extend up to 0.6
in [15 mm] from the conduit opening when installed.
3.35 (85.1)
2.25 (57.1)
5.25 (133.4)
(143.5)
5.65
(8.2)
0.32
3.35 (85.0)
4.15 (105.5)
3.22 (81.9)
(123.5)
4.86
