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APPENDIX A – INSTALLATION – INDUSTRIAL POWER CONDITIONERS
GENERAL INSTALLATION
This device is designed for permanent mounting inside a control cabinet or to a
wall or other solid structure using #10 hardware. The conditioner has a dustproof
and splashproof enclosure and may be mounted in any position. This device is
intended for use in hardwired installations.
A Phillips screwdriver is required to remove the power conditioner cover. Once
the cover has been removed, carefully set it to one side.
This power conditioner is installed by connecting input power to terminal block
TB1 and output power to terminal block TB4. The terminal blocks are designed for a
maximum wire size of 8 AWG. Access to these terminal strips is via the side, top or
bottom knockouts. Input power should be fed through a properly sized circuit
breaker at the panelboard. All applicable electrical codes must be observed for the
installation of this device.
The data plate on the conditioner lists the current and voltage rating of this
device. The total current of all connected loads must not exceed the maximum total
current rating. An automatically resetting thermal cut-off switch is embedded in the
transformer to protect against prolonged overcurrent.
Unless specified differently at the time of order, the power conditioner has been
set during manufacture by the factory for a 480-volt input. The input voltage of the
power conditioner is selectable from 480, 240, 208 or 120 volts and may be changed
by moving the jumpers on
BOTH TB2 and TB3. See Figure 1 that follows for proper
jumper positioning and an example of how the conditioner may be rewired. When
connections are completed, replace the cover before applying power to the power
conditioner.
For the best power conditioning results, all load equipment ground leads should
be connected to a common point. A single point ground bus-bar is provided on the
lower mounting flange for this purpose.
OPERATING INSTRUCTIONS
•
Energize the circuit feeding the power conditioner by placing the panelboard
circuit breaker in the ON position
•
With a voltmeter, check that the power conditioner output voltage is 120 volts
•
Turn on the load equipment and test for proper operation.
WARNING: TO PREVENT ELECTRICAL SHOCK, BE CERTAIN TO TURN OFF ALL
ELECTRICAL POWER BEFORE CONNECTING THE POWER CONDITIONER TO THE
POWER LINE AND BEFORE CONNECTING THE LOAD TO THE POWER CONDITIONER.
WARNING: DO NOT CONNECT INPUT OR OUTPUT POWER CONNECTIONS TO TB2 OR
TB3. THESE TERMINAL STRIPS ARE ONLY FOR USE IN SETTING THE POWER
CONDITIONER’S INPUT OPERATING VOLTAGE.
Caution: WHEN CHANGING INPUT VOLTAGE SETTINGS, YOU MUST CHANGE JUMPERS
ON BOTH TB2 AND TB3. FAILURE TO DO SO MAY DAMAGE THE POWER CONDITIONER
AND VOID THE PRODUCT WARRANTY.