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Sample Sequencer
Installation
INSTALLATION
Some of the tasks in this section of the manual have safety issues associated with them. Sentry
Equipment Corp strongly recommends that qualified personnel conduct the installation, and that all
installation personnel study the associated instructions carefully.
Unpacking
After carefully removing the Sample Sequencer from its shipping carton, inspect it for any damage. If
damage is evident, please contact Sentry Equipment Corp immediately.
Mounting
It is recommended the Sample Sequencer be mounted close to the analyzer to permit viewing of both
devices at the same time. This allows a visual check by the operator to determine which sample point
is currently being sampled and relate it to the measurement being displayed on the analyzer and
signals being sent to nearby recorders.
The Sample Sequencer may be panel mounted with included hardware which slides onto the
enclosure mounting bosses. A panel gasket is also included and should be placed between the
Sequencer and panel front. See Figure 11 for panel mounting information.
If the Sample Sequencer will not be panel mounted, the optional NEMA-4X rear cover plate may be
purchased to protect the instrument from wet, dusty or corrosive ambient environments. The NEMA 4X
plate permits table-top usage or surface-mount installation. See Figure 12 for mounting dimensions.
Figure 13 shows mounting dimensions for the remote Track & Hold board enclosure.
Figure 14 shows mounting dimensions for the remote valve output board enclosure. This board is
mounted remote when two (2) Plug-In Track & Hold Boards are used.
Remove the rear cover plate prior to wiring the Sample Sequencer.
Conduit Connections
Knockouts for six 1/2 inch conduit connection or cord grips are provided on the bottom of enclosure. It
is recommended an additional conduit nut be installed on outside of box to prevent mechanical
interference between conduit connector and circuit board relays on the valve output and signal
switching boards.
SENTRY Equipment Corp • P. O. Box 127 • Oconomowoc, WI 53066 • 262/567-7256 • FAX: 262/567-4523
Web: www.sentry-equip.com • e-mail: sales@sentry-equip.com
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