Varec 4000 - Manual (Page 13)

3
4000 Installation
2 Installation
2.1 Overview
This section contains instructions for unpacking, mounting, grounding, and wiring the Varec Model 4000 Advanced
Technology Transmitter (ATT) assembly. An installation checklist is also included.
Warning! To avoid electric shock and possible injury, do not perform any service procedures other than those specified in this
manual. These installation instructions are for use by qualified service technicians.
Figure 2-1: Model 4000 ATT mounted on Model 2500 ATG
2.1.1 Unpacking
Remove the ATT from the shipping container and inspect it for evidence of shipping or handling damage. Report any
shipping damage to the carrier. Verify that the contents of the shipping container agrees with the packing list.
2.1.2 Storage Prior to Installation
If the ATT is to be stored prior to installation, it should be repackaged in its shipping container and stored in a
temperature and humidity controlled environment.
2.1.3 Becoming Familiar with the ATT
The ATT is housed within an explosion proof enclosure. A cover is provided to permit access to both the electronics
and backup batteries.
3/4- and 2 1/2-inch NPT plugs are provided for wiring access. Wiring to the ATT consists of connecting power, host
communication, RTD input and an optional ground connection.
2.1.4 Hardware Configuration
All configuration is performed using the Model 1200 Handheld Terminal or a download from a host computer.
However, certain parameters such as communication address and speed must be configured via the Model 1200
Handheld Terminal.