7
Briggs & Stratton Power Products Manual Transfer Switch
Installation and Owner’s Manual
Mounting Guidelines
The Model 071002 Manual Transfer Switch is enclosed in a
NEMA Type 1 enclosure suitable for indoor use only.
The Model 071003 Manual Transfer Switch is enclosed in a
NEMA Type 3R enclosure suitable for indoor/outdoor use.
Guidelines for mounting the Manual Transfer Switch
include:
• Model 071003 Manual Transfer Switch must be installed
with minimum NEMA 3R hardware for conduit
connections.
• Install the switch on a firm, sturdy supporting structure.
• To assure easy insertion or removal of circuit breakers,
level and plumb the enclosure.This can be done by
placing washers between 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.
The typical installation of the Manual Power Transfer Switch
is depicted in Figure 3. Discuss layout suggestions/changes
with the owner before beginning the system installation
process.
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).
1.
Connect utility power supply leads from two pole
breaker installed in main distribution panel to transfer
switch two pole breaker marked “UTILITY SUPPLY”. A
60 Amp circuit breaker is provided. Ensure breaker is
turned OFF.
2.
Connect main distribution panel ground to transfer
switch “GND” bus.
3.
Connect main distribution panel neutral lead to
transfer switch “NEUTRAL” terminal.
4.
Connect generator power supply leads from
generator’s control panel to transfer switch two pole
breaker marked “GENERATOR SUPPLY”.
5.
Connect generator Neutral from control panel to
transfer switch “NEUTRAL” terminal.
6.
Connect generator “GND” from control panel to
transfer switch “GND” terminal.
7.
Tighten all wire connections/fasteners to proper
torque.
Manual
Transfer Switch
Main
Distribution
Panel
Figure 3 — Typical Switch Mounting
Model 071002 shown