Essentialcircuit Isolation - Briggs & Stratton 1768-0 Installation Manual

Briggs & Stratton Power Products Home Generator System
Installation Manual
ESSENTIAL CIRCUIT
ISOLATION
Essential electrical loads are loads that will be powered by
the Home Generator System.Essentialloads are grouped
together and wired into the transfer switch.
_k AUTION! This Home Generator System MUST be installedas described herein.
TO THE INSTALLER: Consult with Home
Generator System owner(s) to discuss their
"Selection of Essential Circuits", described in the
owner's manual.
Ensure that the total of the selected load circuits fed by this
transfer switch are within the generator's rated capacity.
The following requirements apply to this type of isolation
system:
• The AutomaticTransfer Switch is installed after the main
distribution panel.
• The AutomaticTransfer Switch has a load rating of
50 Amps.This is the maximum load rating of the essential
loads.
All wiring must conform to the National ElectricalCode,
and all state and local codes.
The illustration in Figure I I depicts the Home Generator
System and assumesthe utility is supplying 120/240Volt,
single-phase electrical service.
To Utility Power
240V I To Range
LToWater Heater
To Briggs & Stratton ',
Home Generator Unit i
J
120V To Microwave !
120VTo Bathroom ',----_-_
Watt Meter
....... ;
Main Distrubution Panel
i
To Air Conditioner (240V)
To Other Circuits (120V)
I Automatic Transfer Switch
I (in normal position)
_' 120VToFreezer
240VTo Well Pump :_ _ i!To Refrigerator 1
120VTo Sump Pump
_______ --
llTo Lights ?
'To Furnace BlowerJ
Neutral
120V
/
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