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KT-300 - ENGLISH INSTALLATION MANUAL
Installers familiar with the installation can use the
Step 1. Preparing to Install the KT-300
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Required to install the KT-300:
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KT-300 controller with accessory kit
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AC transformer 120 / 220 VAC/16 VAC, 40 VA,
class 2 *
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One 12 volt battery 7A/h *
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Ground clamp *
A visual verification should be made when unpacking the KT-300. Any
missing item/part or damaged component should be reported immediately.
*Not included
Step 2. Physical Installation
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Check for ideal indoor location
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Stay away from electrical or communication devices
The KT-300 controller cabinet has been designed to be mounted on a wall
without any additional enclosures. The cabinet is large enough to accom-
modate the battery backup supply and the necessary wiring connections
for most applications. EMT (electrical metallic tubing) conduit knockouts
are provided in 2.2 cm (7/8") on all sides of the cabinet.
The cabinet should be mounted indoors, in a secure location providing
normal temperature and humidity levels, leaving 23 cm (8") clear space
around all sides and a minimum of 33 cm (13") clear space in front of the
cabinet. The location should be easily accessible for servicing the equip-
ment and it is recommended that controllers be located close to the
controlled doors.
Controllers must be located at a minimum distance of 2 meters (6 feet) from
any high voltage equipment or wiring and from electrical equipment
susceptible of generating electrical interference, at a minimum distance of
1 meter (3 feet) from telephone equipment or lines, and at a minimum of
8 meters (25 feet) from any transmitting equipment.
Physical access, using keys, on controlled doors must be provided so that
the KT-300 can easily be accessed for servicing purposes in case of
malfunctions.
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checklist with the "
KT-300
KT-300
KT-300
KT-300
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" symbol
Step 3. Power Requirements
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DO NOT POWER AT THIS POINT!
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Install 120 / 220VAC / 16VAC, 40VA, class 2 trans-
former
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Place battery in cabinet
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DO NOT POWER AT THIS POINT!
The KT-300 controller must be powered by a 16VAC/40VA class 2 wire-
in or plug-in transformer.
Note: Power should only be applied to the unit when all connections are
completed and tested.
If the AC supply is removed, the backup 12 volt gel type of 7 Amp/hour
battery (if fully charged) will support normal operation for up to 12 hours.
An internal battery verification will cut the battery power if the battery
voltage level falls below 9.5 volt.
Note: The KT-300 unit will not start on battery alone.
Step 4. Earth Grounding
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AWG#18 grounding wire to EGND
Since the KT-300 uses high performance communications, proper ground-
ing must be provided to ensure proper operation. An AWG#18 single
conductor solid copper wire must be used to ground each controller
to a good earth ground as per the local electrical code (be careful of
ground loops). The ground clamp should be located below any other
ground.
It is also recommended to install an AWG#18 single conductor copper wire
between each controller.
DN1315-0006 © 2000 Kantech Systems Inc.
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