Installation Methods - Current Technology ISM Series Installation, Operation And Maintenance Manual

CURRENT TECHNOLOGY ISM
®
Pre-Installation Checklist
continued

Installation Methods

(For the design engineer and the
installer)
tnbpowersolutions.com/current_technology
INTEGRATED SUPPRESSION MODULE
TM
Check to ensure that a proper neutral-ground bond is installed between the
✓
neutral and ground terminals at the transformer upstream from all 3-Phase
WYE, 3-Phase High-Leg DELTA, or 1-Phase SPLIT-PHASE ISM devices
(see NEC article 250 .) Lack of a proper bond will damage the ISM and void
the warranty .
Confirm that the environmental conditions are consistent with the
following ranges:
W A R N I N G !
Discontinue installation if (1) your conditions are inconsistent with
the checklist above or (2) your conditions cannot be verified. Call
Thomas & Betts Power Solutions' Technical Support at 800.238.5000
if you have any questions.
This device features an internal protection that will disconnect the
surge protective component at the end of its useful life but will
maintain power to the load now unprotected. If this situation is
undesirable for the application, follow the manufacturer's instructions
for replacing the device.
The ISM is a Type 4 component assembly which is suitable for use in both
Type 1 and Type 2 SPD applications . It may be installed on the line or load
side of the main service disconnect . The ISM is a one-port SPD and is to be
connected in parallel with the electrical system . It may be connected via a
circuit breaker, molded case switch, fused switch, or connected directly to the
bus of the panelboard or switchboard it is protecting . If direct bus connection
is used, Current Technology
disconnect switch .
End-use regulatory compliance is the responsibility of the end user .
Consult the factory for regulatory Conditions of Acceptability .
• Ambient Temperatures: The ISM must be installed in an area with a
temperature between -40° and +140°F (-40° and +60°C) .
• Humidity: The ISM must be installed in an area with relative humidity
between 5% and 95% non-condensing .
• Altitude: The ISM must be installed in a location where the altitude is
below 13,000 feet .
, recommends that the ISM be installed with a
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