Precision Digital PD8-765 - Manual (Page 11)

PD8 Series Explosion-Proof Instrument Supplemental Manual
11
SAFETY INFORMATION
WARNINGS
 Read complete instructions prior to installation and operation of the
instrument.
 Installation and service should be performed only by trained service
personnel. Service requiring replacement of internal sub-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 or within 2" (50mm) for Zone installations.
 Verify that the operating atmosphere of the instrument is consistent with
the appropriate hazardous locations certifications.
 If the instrument is installed in a high voltage environment and a fault or
installation error occurs, high voltage may be present on any lead
 Read all product labels completely and follow all instructions and
requirements listed on the labels for installation or service.
INSTALLATION
Install in accordance with applicable local and national regulations (e.g. NEC).
For Installation in USA: The ProtEX-MAX must be installed in accordance with the
National Electrical Code (NEC) NFPA 70.
For Installation in Canada: The ProtEX-MAX must be installed in accordance with
the Canadian Electrical Code CSA 22.1. All power supplies below 36 V and input
circuits must be derived from a CSA Approved Class 2 source.
For European Community: The ProtEX-MAX must be installed in accordance with
the ATEX directive 94/9/EC and the product certificate Sira 12ATEX1182.
WARNING
Disconnect from supply before opening enclosure. Keep cover
tight while circuits are alive. Conduit seals must be installed within
18" (450mm) of the enclosure or within 2" (50mm) for Zone
installations.
Wiring connectors are accessed by opening the enclosure. To access electrical
connectors, remove the 2 captive screws and then remove the electronics module.
Connectors are on the rear of the electronics module.