Emerson Rosemount 935, Reference Manual

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4 Installation
4.1 Introduction
Use general purpose common tools and equipment to install and maintain the detector
and source units.
WARNING
Ensure that suitably qualified personnel, who are familiar with the local codes and
practices and trained for gas detection maintenance, install the equipment.
Ensure that only personnel with knowledge of electronics, particularly wiring
installation, install the wiring and supervise the installation.
This section does not attempt to cover all of the standard practices and codes of
installation. Rather, it emphasizes specific points of consideration and provides some
general rules for suitably qualified personnel. It also emphasizes special safety precautions
whenever applicable.
4.2 General considerations
4.2.1 Required tools
Install the device using the following general purpose common tools and equipment.
Table 4-1: Tools
Tool Function
Alignment kit Provides tools to install fine alignment tool.
Hex key 8 mm Mounts the detector on the tilt mount.
Hex key 3/16 in. Aligns the detector.
Hex key 5/16 in. Screws ¾ stop plug.
Flat screwdriver 4 mm Connects ground terminal.
Flat screwdriver 2.5 mm Connects wires to the terminal block.
4.2.2 Site requirements
When installing the Rosemount 935, take into account the weight of the monitored gas
compared to that of the surrounding air and the individual site requirements.
Ensure that the site selected gives the detector a direct view to the source. The mounting
point for each item should be secure and stable with minimal vibrations. Mount the
equipment in a position where it cannot be knocked out of alignment and is guarded from
physical impact.
Reference Manual Installation
00809-0100-4035 May 2022
Rosemount 935 23