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Location & Mounting
Enclosure Considerations
Mounting the Base Unit
'
%98-32
A switch or circuit breaker
should be included in the
installation, in close
proximity to the unit and
within easy reach to the
operator. This switch or
circuit breaker should be
marked as the disconnecting
device for the unit.
#
The 9700 Power Meter should be mounted in a dry, dirt free location. Once
installed, no cleaning of the device is necessary. To operate properly and
effectively, environmental conditions should fall within the guidelines listed
below.
Environmental Condition
Operating Temperature
Storage Temperature
Relative Humidity
The enclosure the 9700 Power Meter is mounted in (typically a switchgear
cabinet) should protect the devices from atmospheric contaminants such as
oil, moisture, dust, and corrosive vapors, or other harmful airborne
substances.
The mounting enclosure should be positioned such that the doors may be
opened fully for easy access to the 9700 Power Meter wiring and related
components. When choosing the enclosure size, allow for extra space for
all wiring, intermediate terminal strips, shorting blocks, or any other
required components. The mounting enclosure should not impede
ventilation.
The 9700 Power Meter base unit can be mounted flush against any flat
surface. The unit provides four slots on its mounting flange for this
purpose. The 9700 Power Meter is typically mounted inside the switchgear
cabinet. It can be mounted in whichever orientation is most convenient.
The 9700 Power Meter can also be mounted on the door of the switchgear
cabinet; however, some electrical codes may prohibit extending voltages
greater than 120 VAC line-to-neutral or 208 VAC line-to-line to the door. If
this is the case, for higher system voltages, a 9700 Power Meter equipped
with 120 VAC inputs (120 option) can be used with PTs that provide 120 VAC
secondaries.
Acceptable Range
Base Unit: -20°C (-4°F) to 50°C (122°F)
MGT: 0°C (32°F) to 50°C (122°F)
-30°C (-22°F) to +70°C (158°F)
5 to 95% non-condensing
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