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M
ODEL
CI-50
NOTE:
When the Display is shown by pressing the View Program button, the
instrument cannot be programmed. The Program button will not work until the
Display is turned off by again pressing the View Program button, or by
automatically shutting off. Once the Display is off, the Program button can be
used.
To begin an interruption program, the Model CI-50 is first turned On by moving the Power
toggle switch to On (Up). Note the OPEN LED is lit.
NOTE:
If the Low Batt LED is flashing, this is an indication that the batteries are
low. It is recommended that the batteries be changed. (See the Batteries section
below for more information.)
After initialization (display shows numbers quickly counting up, Left to Right), press the Start /
Stop button. The programmed timing sequence will begin. The On (Closed) and Off (Open)
cycles are shown by the LED indicators above each timing display.
NOTE:
The LED indicators for Closed and Open stay lit for the duration of that
part of the cycle.
Connections
The Model CI-50 should always be turned Off (Power toggle switch to Off (down) when making
or breaking connections.
Connecting the Model CI-50 is done using the supplied cable. A single plug in
–type connector
on the end of the cable is pushed into the connector on the Right side of the case, just below
the text, “MODEL CI-50” in the upper Right hand corner of the panel.
This is a secure, locking connection. To release the plug, the release
tab must be pushed in as the cable connector is pulled away from the
case. The release tab is the silver colored tab on the cable connector.
This tab should be facing the user and easily recognized. Do not
attempt to force the removal of the cable connector as this may
damage the connector(s) and render the instrument non functional.
The cable splits into two with clamps on the opposite end of the cable from the
case connector. These clamps are used to break the connection of the circuit
to be interrupted.
The clamps have a maximum jaw opening of 0.75” (19mm). Each clamp is
covered with a vinyl insulator.
The CI-50 may be connected to either the input or output side of the cathodic
protection circuit. Always be careful to observe rating limits shown in the
Specifications
section, below. It is not necessary to observe polarity with
output terminals.
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