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Brig, s & Stratton Power Products Automatic
Transfer Switch
Installation
and Owner's
Manual
Mounting
Guidelines
The Model 01917 Automatic
Transfer Switch is enclosed in
a NEMAType
I enclosure suitable for indoor
use only.
The Model 01918 Automatic
Transfer Switch is enclosed in
a NEMAType
3R enclosure suitable for indoor/outdoor
use.
Guidelines for mounting the Automatic
Transfer Switch
include:
• Model 01918 Automatic
Transfer Switch must be installed
with minimum
NEMA 3R hardware for conduit
connections.
• Install the switch on a firm, sturdy supporting
structure.
• To prevent switch contact distortion,
level and plumb the
enclosure.This
can be done by placing washers between
I.
the switch enclosure and the mounting surface.
• NEVER install the switch where any corrosive
substance
might drip onto the enclosure.
• Protect the switch at all times against excessive moisture,
dust, dirt, lint, construction
grit and corrosive
vapors.
2.
The typical installation of the Automatic
Power Transfer
Switch is depicted in Figure 3. Discuss layout
3.
suggestions/changes with the owner before beginning the
system installation process.
4.
Main
Distribution
Panel
Automatic
Transfer
Switch
Power Wiring
Interconnections
All wiring must be the proper size, properly supported, of
approved insulation qualities, and protected
by NEC
approved conduit.
Complete
the following connections
between the
generator, transfer switch and main distribution
panel
(Figure 4, on next page).
CAUTION
.
6.
7.
8.
Failure to follow above warning
could cause damage and/or
malfunction
of equipment.
Connect
utility power supply leads from a two pole
breaker installed in the main distribution
panel to
transfer switch terminals marked "UTILITY
CONNECTION".
Use a 50 Amp circuit breaker.
Ensure breaker is turned OFF.
Connect
main distribution
panel ground to the transfer
switch "GND"
bus.
Connect
main distribution
panel neutral lead to
transfer switch "NEUTRAL"
terminal.
Connect generator
power supply leads from the
generator's control
panel to transfer switch terminals
marked "GENERATOR
CONNECTION".
Connect generator
Neutral from the control panel to
the transfer switch "NEUTRAL"
terminal.
Connect generator"GND"
from the control
panel to
the transfer switch "GND"
terminal.
Connect generator
utility 240V terminals to transfer
switch utility 240V terminals.
Tighten all wire connections/fasteners
to proper
torque.
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