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KIT INCLUDES:

50 AMP PLUG ON 5FT. POWER CORD

THE EXTERNAL CONNECTION BOX

Located outside the home nearest the incoming gas
service.

30’ FLEXIBLE CONDUIT 

Pre-wired from the automatic transfer switch with built-
in emergency load center for connection to the external
connection box.

PRE-WIRED AUTOMATIC TRANSFER SWITCH* AND
EMERGENCY LOAD CENTER WITH 12 CIRCUITS

Installed within 1 foot of the home’s main distribution
panel. This transfer switch will provide smooth and safe
transition between utility and generator power.
Eliminates the need to run extension cords.

*When used

with a portable generator the transfer from utility to
generator power will have to be performed manually.
(See page 7)

2’ PRE-WIRED CONDUIT FOR EASY CONNECTION TO
THE HOME’S MAIN DISTRIBUTION PANEL

12 UL LISTED WIRE NUTS 

(not shown)

TOOLS REQUIRED: 

Drill, drill bits, hole saw (type and length will be
determined by the materials you will be drilling and
cutting), open-end wrenches or adjustable wrenches,
socket wrenches or nut drivers, standard and Phillips
screwdrivers, sledge hammer, channel-lock pliers,
spade shovel, and safety goggles.

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Designed with the 

homeowner in mind!

ITEMS YOU MUST PURCHASE:

70 AMP double pole circuit
breaker (must be the same
type as in your main electrical
distribution panel)

Ground rod with grounding
strap

Crushed stone or pea gravel
(approximately 10-12 cubic
feet)*

Black poly-film or other
vegetation blocking fabric*

Silicone caulk

Fasteners (to mount
connection box and automatic
transfer switch)

Power cord clamp (to secure
cord at the external connection
box

*Only required when a Guardian Home Standby

generator is be installed.

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Installation Guide

Summary of Contents for 1276-1

Page 1: ...the Guardian Home Standby Generator or the Owner s Manual furnished with the Guardian Ultra Source Portable Generator you may purchase in the future Please review the installation procedure again at t...

Page 2: ...Generator for emergency power now Later install your Standby for automatic emergency power 100 AMP automatic transfer switch with built in load center 30ft and 2ft pre wired conduits 5ft power cord an...

Page 3: ...INSTALLATION DRAWING AUTOMATIC TRANSFER SWITCH CONNECTED TO THE EXTERNAL CONNECTION BOX Installation Guide...

Page 4: ...y possible circumstance that might involve a hazard The warnings in this manual and on tags and decals affixed to the unit are therefore not all inclusive If you use a procedure work method or operati...

Page 5: ...N TO THE HOME S MAIN DISTRIBUTION PANEL 12 UL LISTED WIRE NUTS not shown TOOLS REQUIRED Drill drill bits hole saw type and length will be determined by the materials you will be drilling and cutting o...

Page 6: ...Let the engine run for a minute or two at no load to stabilize the internal temperatures 3 Turn off the generator 4 Turn OFF the utility power supply to the transfer switch using the means provided s...

Page 7: ...of main distribution panel The automatic transfer switch can be located to the left or right of main distribution panel Hold transfer switch against the mounting surface Level the transfer switch and...

Page 8: ...f a power failure Wire nut the black wire to the matching circuit lead wire from the emergency circuit breaker from load center in the transfer switch All circuit wires are color coded and labeled for...

Page 9: ...on to enter beyond the clamp to the inside of the box TIghten clamp securely Attach ground wire green to the bottom of the box using the supplied ground screw and pre drilled hole Connect red black an...

Page 10: ...and length of the generator mounting pad 48 L x 24 W 3 Lay black poly film to cover the area 4 Fill the area to ground level with pea gravel or crushed stone 5 Drive an 8 foot grounding rod into the g...

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