Simplicity 040573-01 Guide d'installation

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Guide d'installation

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Installation and Operation Manual
17kW 20kW
Single Phase Air-Cooled
Standby Generator System
This generator is rated in accordance with UL (Underwriters Laboratories) 2200 (stationary engine generator
assemblies) and CSA (Canadian Standards Association) standard C22.2 No. 100-4 (motors and generators).
Copyright © Briggs & Stratton
Milwaukee, WI, USA.
80020100USCN
Revision ( E )
Thank you for purchasing this quality-built Briggs & Stratton® standby generator. We are pleased that you’ve
placed your confidence in the Briggs & Stratton brand. When operated and maintained according to the
instructions in the operator’s manual, your standby generator will provide many years of dependable service.
This manual contains safety information to make you aware of the hazards and risks associated with residential
generator systems and how to avoid them. This generator system is designed and intended only for use as an
optional home standby system that provides an alternate source of electric power and to serve loads such as
heating, refrigeration systems, and communication systems that, when stopped during any power outage, could
cause discomfort or inconvenience. Save these original instructions for future reference.
This generator system requires professional installation before use. The installer should follow the
instructions completely.
Where to Find Us
You never have to look far to find support and service for your generator. Consult your Yellow Pages. There are
many Briggs & Stratton authorized service dealers worldwide who provide quality service. You can also contact
Briggs & Stratton Customer Service by phone at 800 732-2989 between 8:00 AM and 5:00 PM CT., or click on
Find a Dealer at BRIGGSandSTRATTON.COM, which provides a list of authorized dealers.
For Future Reference
Please fill out the information below and keep with your receipt to assist in unit identification for future purchase
issues.
DATE OF PURCHASE
GENERATOR
Model Number
Serial Number
Model Number
Model Revision
Serial Number
ENGINE
3
Important Safety Instructions........................4
Installation ....................................7
Owner Responsibilities.........................................7
Installing Dealer/Contractor Responsibilities ........................7
Unpacking Precautions ........................................8
Delivery Inspection............................................8
Shipment Contents............................................8
Generator Placement ..........................................9
REDUCE THE RISK OF CARBON MONOXIDE POISONING.............10
Other General Location Guidelines...............................11
REDUCE THE RISK OF FIRE....................................12
Electrical and Fuel Inlet Locations ...............................14
Lifting the Generator .........................................15
Concrete Anchoring of Unit ....................................15
Access Ports ...............................................16
The Gaseous Fuel System .....................................18
Fuel Consumption ...........................................19
Fuel Pressure ...............................................19
Power Loss ................................................19
Fuel Pipe Sizing .............................................19
Fuel Conversion .............................................20
System Connectors ..........................................21
Communication Connections ...................................22
Generator AC Connection System ...............................22
Grounding the Generator ......................................23
Utility Circuit Connection ......................................23
Generator Power Connection ...................................23
Transfer Switch Communication ................................23
System Control Panel.........................................24
Final Installation Considerations ................................29
Initial Start-up (No Load)......................................30
Electronic Governor System ...................................31
Operation .................................... 32
Automatic Operation Sequence .................................32
Setting Exercise Timer ........................................32
Installation Inspection ........................................32
Schematic / Wiring Diagrams ...................... 34
Operator’s Section .............................. 38
Controls ..................................... 38
Access Panels ..............................................40
Operation .................................... 42
Engine Oil..................................................42
Battery ....................................................42
15 Amp Fuse ...............................................42
Automatic Operation Sequence .................................42
Maintenance .................................. 43
Service Code Detection System .................................43
Generator Maintenance .......................... 46
Engine Maintenance..........................................48
Adjust Valve Lash............................................48
Service Air Cleaner...........................................50
Service Spark Plugs..........................................51
Troubleshooting................................ 52
Generator Specifications.......................... 53
Engine Specifications ............................ 53
Common Service Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Table Of Contents
4
Save These Instructions
WARNING Running engine gives off carbon
monoxide, an odorless, colorless, poison gas.
Breathing carbon monoxide could result in death,
serious injury, headache, fatigue, dizziness,
vomiting, confusion, seizures, nausea or fainting.
Operate this product ONLY outdoors in an area that
will not accumulate deadly exhaust gas.
Keep exhaust gas away from any windows, doors,
ventilation intakes, soffit vents, crawl spaces, open
garage doors or other openings that can allow
exhaust gas to enter inside or be drawn into a
potentially occupied building or structure.
Carbon monoxide detector(s) MUST be installed
and maintained indoors according to the
manufacturer’s instructions/recommendations.
Smoke alarms cannot detect carbon monoxide gas.
Important Safety Instructions
SAVE THESE INSTRUCTIONS - This manual contains
important instructions that should be followed during
installation and maintenance of the generator and batteries.
Safety Symbols and Meanings
The safety alert symbol indicates a potential personal
injury hazard. A signal word (DANGER, WARNING, or
CAUTION) is used with the alert symbol to designate a
degree or level of hazard seriousness. A safety symbol
may be used to represent the type of hazard. The signal
word NOTICE is used to address practices not related to
personal injury.
DANGER indicates a hazard which, if not avoided,
will result in death or serious injury.
WARNING indicates a hazard which, if not
avoided, could result in death or serious injury.
CAUTION indicates a hazard which, if not avoided,
could result in minor or moderate injury.
NOTICE addresses practices not related to personal injury.
The manufacturer cannot possibly anticipate every
possible circumstance that might involve a hazard.
The warnings in this manual, and the tags and decals
affixed to the unit are, therefore, not all-inclusive. If you
use a procedure, work method or operating technique
that the manufacturer does not specifically recommend,
you must satisfy yourself that it is safe for you and
others. You must also make sure that the procedure,
work method or operating technique that you choose
does not render the generator system unsafe.
Explosion
Fire
Electrical Shock
Rotating Parts
Hot Surface
Toxic Fumes
Chemical BurnExplosive PressureAuto Start
Lift Hazard
Read Manual
WARNING The engine exhaust from this product
contains chemicals known to the State of California to
cause cancer, birth defects, or other reproductive harm.
WARNING Certain components in this product
and related accessories contain chemicals known to
the State of California to cause cancer, birth defects, or
other reproductive harm. Wash hands after handling.
WARNING Storage batteries give off explosive
hydrogen gas during recharging.
Slightest spark will ignite hydrogen
and cause explosion, resulting in
death, serious injury and/or property damage. Battery
electrolyte fluid contains acid and is extremely caustic.
Contact with battery contents could cause severe
chemical burns. A battery presents a risk of electrical shock
and high short circuit current.
DO NOT dispose of battery in a fire. Recycle battery.
DO NOT allow any open flame, spark, heat, or lit cigarette
during and for several minutes after charging a battery.
DO NOT open or mutilate the battery.
Wear protective goggles, rubber apron, rubber
boots and rubber gloves.
Remove watches, rings, or other metal objects.
Use tools having insulated handles.
5
WARNING Generator produces hazardous
voltage. Failure to properly ground generator
could result in electrocution.Failure to isolate
generator from utility power could result in death
or serious injury to electric utility workers due to
backfeed of electrical energy.
When using generator for backup power, notify
utility company.
DO NOT touch bare wires or bare receptacles.
DO NOT use generator with electrical cords which
are worn, frayed, bare or otherwise damaged.
DO NOT handle generator or electrical cords while
standing in water, while barefoot, or while hands or
feet are wet.
If you must work around a unit while it is operating,
stand on an insulated dry surface to reduce the risk
of a shock hazard.
DO NOT allow unqualified persons or children to
operate or service generator.
In case of an accident caused by electrical shock,
immediately shut down the source of electrical
power and contact the local authorities. Avoid
direct contact with the victim.
Despite the safe design of the generator, operating
this equipment imprudently, neglecting its
maintenance or being careless could cause possible
injury or death.
Remain alert at all times while working on this
equipment. Never work on the equipment when you
are physically or mentally fatigued.
Before performing any maintenance on the
generator, disconnect the battery cable indicated
by a NEGATIVE, NEG or (-) first. When finished,
reconnect that cable last.
After your system is installed, the generator may crank
and start without warning any time there is a power
failure. To prevent possible injury, always set the
generator’s system switch to OFF, remove the service
disconnect from the disconnect box AND remove the
15 Amp fuse BEFORE working on the equipment.
WARNING Propane and Natural Gas are extremely
flammable and explosive, which could cause
burns, fire or explosion resulting in death,
serious injury and/or property damage.
Install the fuel supply system according to NFPA 37
and other applicable fuel-gas codes.
Before placing the generator into service, the fuel
system lines must be properly purged and leak tested.
After the generator is installed, you should inspect
the fuel system periodically.
NO leakage is permitted.
DO NOT operate engine if smell of fuel is present or
other explosive conditions exist.
DO NOT smoke around the generator. Wipe up any
oil spills immediately. Ensure that no combustible
materials are left in the generator compartment. Keep
the area near the generator clean and free of debris.
WARNING Hazardous Voltage - Contact with
power lines could cause electric shock
or burns, resulting in death or serious
injury.Lifting Hazard / Heavy Object -
Could result in serious injury.
If lifting or hoisting equipment is used, DO NOT
contact any power lines.
DO NOT lift or move generator without assistance.
Use lifting pipes as described in Lifting the Generator.
DO NOT lift unit by roof as damage to generator
will occur.
6
WARNING Starter and other rotating parts could
entangle hands, hair, clothing, or accessories
resulting in serious injury.
NEVER operate generator without protective
housings, covers, or guards in place.
DO NOT wear loose clothing, jewelry or anything that
could be caught in the starter or other rotating parts.
Tie up long hair and remove jewelry.
Before servicing, remove 15 Amp fuse from control
panel and disconnect Negative (NEG or -) battery
cable.
CAUTION Installing the 15A fuse could cause
the engine to start at any time without warning
resulting in minor or moderate injury.
Observe that the 15 Amp fuse has been removed
from the control panel for shipping.
DO NOT install this fuse until all plumbing and wiring
has been completed and inspected.
CAUTION Excessively high operating speeds
could result in minor injury and/or equipment
damage. Excessively low speeds impose a heavy
load on generator.
DO NOT tamper with governed speed. Generator
supplies correct rated frequency and voltage when
running at governed speed.
DO NOT modify generator in any way.
NOTICE Improper treatment of generator could
damage it and shorten its life.
Use generator only for intended uses.
If you have questions about intended use, contact
your authorized dealer.
Operate generator only on level surfaces.
Adequate, unobstructed flow of cooling and ventilating
air is critical to correct generator operation.
The access panels/doors must be installed
whenever the unit is running.
DO NOT expose generator to excessive moisture,
dust, dirt, or corrosive vapors.
Remain alert at all times while working on this
equipment. Never work on the equipment when you
are physically or mentally fatigued.
DO NOT start engine with air cleaner or air cleaner
cover removed.
DO NOT insert any objects through cooling slots.
DO NOT use the generator or any of its parts as a step.
Stepping on the unit could cause stress and break parts.
This may result in dangerous operating conditions from
leaking exhaust gases, fuel leakage, oil leakage, etc.
If connected devices overheat, turn them off and
disconnect them from generator.
Shut off generator
and contact an authorized deaker
if
- electrical output is lost;
- equipment sparks, smokes, or emits flames;
- unit vibrates excessively;
- unit makes unusual noises.
WARNING
Exhaust heat/gases could ignite
combustibles or structures resulting in
death, serious injury and/or property
damage. Contact with muffler area could
cause burns resulting in serious injury.
DO NOT touch hot parts and AVOID hot exhaust
gases.
Allow equipment to cool before touching.
Exhaust outlet side of weatherproof enclosure must
have at least 5 ft. (1.5 m) minimum clearance from
any structure, shurbs, trees or any kind of vegetation.
Standby generator weatherproof enclosure must be at
least 5 ft. (1.5 m) from windows, doors, any wall opening,
shrubs or vegetation over 12 inches (30.5 cm) in height.
Standby generator weatherproof enclosure must
have a minimum of 5 ft. (1.5 m) overhead clearance
from any structure, overhang or trees.
DO NOT place weatherproof enclosure under a deck
or other type of structure that may confine airflow.
Use only flexible fuel line provided. Connect
provided fuel line to generator, DO NOT use with or
substitute any other flexible fuel line.
Smoke detector(s) MUST be installed and
maintained indoors according to the manufacturer’s
instructions/recommendations. Carbon monoxide
alarms cannot detect smoke.
Keep at least minimum distances shown in General
Location Guidelines to insure for proper generator
cooling and maintenance clearances.
It is a violation of California Public Resource Code,
Section 4442, to use or operate the engine on any
forest-covered, brush-covered, or grass-covered
land unless the exhaust system is equipped with
a spark arrester, as defined in Section 4442,
maintained in effective working order. Other states
or federal jurisdictions may have similar laws
Contact the original equipment manufacturer,
retailer, or dealer to obtain a spark arrester designed
for the exhaust system installed on this engine.
Replacement parts must be the same and installed
in the same position as the original parts.
7
Installation
Equipment Description
This product is only for use as an optional generator
system which provides an alternate source of electric
power and to serve loads such as heating, refrigeration
systems, and communication systems that, when stopped
during any power outage, could cause discomfort or
inconvenience.
NOTICE This product does NOT qualify for either an
emergency standby or legally required standby system
as defined by NFPA 70 (NEC).
Emergency generator systems are intended to
automatically supply illumination, power, or both,
to designated areas and equipment in the event of
failure of the normal supply. Emergency systems
may also provide power for such functions as
ventilation where essential to maintain life, where
current interruption of the normal supply would
produce serious life safety or health hazards.
Legally Required standby generator systems
are intended to automatically supply power
to selected loads in the event of failure of the
normal source which could create hazards or
hamper rescue or fire-fighting operations.
Every effort has been made to ensure that information
in this manual is accurate and current. However, we
reserve the right to change, alter, or otherwise improve
the product and this document at any time without prior
notice.
Only current licensed electrical and plumbing professionals
should attempt standby generator system installations.
Installations must strictly comply with all applicable codes,
industry standards, laws and regulations.
Owner Responsibilities
Read and follow the instructions given in the
operator’s manual.
Follow a regular schedule in maintaining, caring
for and using your generator, as specified in the
operator’s manual.
Carbon monoxide detector(s) MUST be installed
and maintained indoors according to the
manufacturer’s instructions/recommendations.
Smoke alarms cannot detect carbon monoxide
gas.
• Smoke detector(s) MUST be installed
and maintained indoors according to the
manufacturer’s instructions/ recommendations.
Carbon monoxide alarms cannot detect smoke.
If you have questions about intended use, ask your
installer or dealer or call 800 732-2989 between
8:00 AM and 5:00 PM CT.
Installing Dealer/Contractor
Responsibilities
Read and observe the safety rules.
Install only an UL approved transfer switch that is
compatible with the generator.
Read and follow the instructions given in this
installation and start-up manual.
Installation must strictly comply with all applicable
codes, industry standards, laws, and regulations.
Allow sufficient room on all sides of the generator
for maintenance and servicing.
Cold Weather Kit
If operating the generator below 30°F (-1°C), it is HIGHLY
RECOMMENDED that a Model 6404 Cold Weather Kit
be installed.
These items are available at your local servicing dealer.
For cold weather areas (below 0°F (-18°C)) it is also
recommended that a BCI, Size 75, wet lead-acid
battery be used of 630 CCA minimum.
If you need more information on this matter, please call
800 732-2989 between 8:00 AM and 5:00 PM CT.
30°F (-1°C)
8
Unpacking Precautions
The unit is shipped ready for installation. Avoid
damage from dropping, bumping, collision, etc. Store
and unpack carton with the proper side up, as noted
on the shipping carton.
Delivery Inspection
After removing the carton, carefully inspect the
generator for any damage that may have occurred
during shipment.
If loss or damage is noted at time of delivery, have
the person(s) making delivery note all damage on the
freight bill and affix his signature under the consignor’s
memo of loss or damage. If loss or damage is noted
after delivery, separate the damaged materials
and contact the carrier for claim procedures. Parts
damaged in shipping are not warranted.
Shipment Contents
The standby generator system is supplied with:
Oil (5W30 Synthetic)
Flexible steel fuel line
Installation/Operation manual
Product and emissions warranty booklet
Spare access roof keys
Spare 15 Amp ATO-type fuse
Tamper proof plug
Not included:
Carbon monoxide detector(s)
Smoke detector(s)
Starting battery
Connecting wire and conduit
Fuel supply valves/plumbing
Crane, lifting straps, chains or cables
Two 60” lengths of 3/4” nominal minimum
scheduled 40 steel pipe (NOT conduit)
Torque screwdriver, 5 to 50 inch-pound range
Voltage/frequency meter
9
Generator Placement
Before installing generator, consult with home owner
and convey the following requirements, which must be
satisfied before the installation is complete.
There are two equally important safety concerns in
regards to carbon monoxide poisoning and fire. There
are also several general location guidelines that must be
met before the installation in considered complete.
Exhaust Side of the Generator
A - Exhaust outlet side of weatherproof enclosure
B - Air inlet side of weatherproof enclosure
WARNING Running engine gives off carbon
monoxide, an odorless, colorless, poison gas.
Breathing carbon monoxide could result in death
serious injury, headache, fatigue, dizziness,
vomiting, confusion, seizures, nausea or fainting.
Operate this product ONLY outdoors in an area that
wil not accumulate deadly exhaust gas.
Keep exhaust gas away from any windows, doors,
ventilation intakes, soffit vents, crawl spaces, open
garage doors or other openings that can allow
exhaust gas to enter inside or be drawn into a
potentially occupied building or structure.
Carbon monoxide detector(s) MUST be installed
and maintained indoors according to the
manufacturer’s instructions/recommendations.
Smoke alarms cannot detect carbon monoxide gas.
B
A
B
10
All fossil fuel burning equipment, such as standby
generators, contains carbon monoxide (CO) gas in
the engine exhaust. CO gas is odorless, colorless and
tasteless and is unlikely to be noticed until a person is
overcome. CO gas can kill you so it is required that the
following is included as part of the installation:
Install generator outdoors in an area that will not
accumulate deadly exhaust gas.
DO NOT install generator where exhaust gas
could accumulate and enter inside or be drawn
into a potentially occupied building or structure.
By law it is required in many states to have a
Carbon Monoxide (CO) detector in operating
condition in your home. Carbon monoxide
detector(s) (A) MUST be installed and maintained
indoors according to the manufacturer’s instructions
/ recommendations. A CO monitor is an electric
device that detects hazardous levels of CO. When
there is a buildup of CO, the monitor will alert the
occupants by flashing visual indicator light and
alarm. Smoke alarms cannot detect CO gas.
Your neighbor(s) home may be exposed to the engine
exhaust from your standby generator and must be
considered when installing your standby generator.
Ensure exhaust gas is kept away from:
B - windows
C - doors
D - ventilation intakes
E - soffit vents
F - garage doors
G - crawl spaces or other openings that can allow
exhaust gas to enter inside or be drawn into a
potentially occupied building or structure.
Placement of Standby Generator to REDUCE THE RISK OF CARBON MONOXIDE POISONING
The arrows in the figure below point to POTENTIAL points of entry for Carbon Monoxide Gas.
A
F
C
D
B
G
E
F
C
D
B
E
G
11
Direct the standby generator exhaust away from
or parallel to the building or structure. DO NOT
direct the generator exhaust towards a potentially
occupied building, structure, windows, doors,
ventilation intakes, soffit vents, crawl spaces,
open garage doors or other openings where
exhaust gas could accumulate and enter inside
or be drawn into potentially occupied building or
structure.
DO NOT place standby generator in any area
where leaves or debris normally accumulates.
Position standby generator in an area where
winds will carry the exhaust gas away from any
potentially occupied building or structure.
Other General Location Guidelines
Place the standby generator in a prepared
location that is flat and has provisions for water
drainage.
Install the standby generator in a location where
sump pump discharge, rain gutter downspouts,
roof run-off, landscape irrigation, or water
sprinklers will not flood the unit or spray the
enclosure and enter any air inlet or outlet
openings.
Install the standby generator where it will not
affect or obstruct and services including covered,
concealed and underground, such as telephone,
electric, fuel (natural gas/ LPG vapor), irrigation,
air conditioning, cable, septic, sewer, well and so
forth.
Install the standby generator where leaves, grass,
snow, etc. will not obstruct air inlet and outlet
openings. If prevailing winds will cause blowing or
drifting, you may need to construct a windbreak to
protect the unit.
ENGINE
EXHAUST
STANDBY
GENERATOR
12
Placement of Standby Generator to
REDUCE THE RISK OF FIRE
Requirements:
NFPA 37 2010, section 4. 1. 4, Engines Located
Outdoors. Engines, and their weatherproof housings
if provided, that are installed outdoors shall be located
at least 1.5m (5 ft) from openings in walls and at least
1.5 m (5 ft) from structures having combustible walls. A
minimum separation shall not be required where either of
the following conditions exist:
1. The adjacent wall of the structure has a fire
resistance rating of at least 1 hour.
2. The weatherproof enclosure is constructed
of noncombustible materials and it has been
demonstrated that a fire within the enclosure will not
ignite combustible materials outside the enclosure. *
Annex A Explanatory Material
A.4.1.4 (2) Means of demonstrating compliance
are by means of full-scale fire tests or by calculation
procedures, such as those given in NFPA 555, Guide on
Methods for Evaluating Potential for Room Flashover.
To comply with condition 2 above the weatherproof
enclosure has been constructed completely of non-
combustible materials and full-scale fire tests have been
conducted to demonstrate that a fire within the enclosure
will not ignite combustible materials outside the enclosure.
WARNING
Exhaust heat/gases could ignite
combustibles or structures resulting in death,
serious injury and/or property damage.
Exhaust outlet side of weatherproof enclosure must
have at least 5 ft. (1.5 m) minimum clearance from any
structure, shrubs, trees or any kind of vegetation.
Standby generator weatherproof enclosure must be at
least 5 ft. (1.5 m) from windows, doors, any wall opening,
shrubs or vegetation over 12 inches (30.5 cm) in height.
Standby generator weatherproof enclosure must have
a minimum of 5 ft. (1.5 m) overhead clearance from
any structure, overhang or trees.
DO NOT place weatherproof enclosure under a deck
or other type of structure that may confine airflow.
Use only flexible fuel line provided. Connect provided
fuel line to generator, DO NOT use with or substitute
any other flexible fuel line.
Smoke detector(s) MUST be installed and maintained
indoors according to the manufacturer’s instructions/
recommendations. Carbon monoxide alarms cannot
detect smoke.
DO NOT place weatherproof enclosure in manner
other than shown in illustrations.
Legend for Generator Locations to reduce the risk
of fire.
A Standby weatherproof enclosure must be at least 5 ft
(1.5 m) from windows, doors, any wall opening, shrubs
or vegetation over 12 inches (30.5 cm) in height.
B Exhaust outlet side of weatherproof enclosure must
have at least 5 ft (1.5 m) minimum clearance from any
structure, shrubs, trees or any kind of vegetation.
C Standby weatherproof enclosure must have a
minimum of 5 feet (1.5 m) overhead clearance from
any structure, overhang or trees.
D Standby Weatherproof enclosure must have a
minimum of 18 inches (45.7 cm) clearance from any
structures with or without a fire rating.
NOTICE DO NOT place weatherproof enclosure under a
deck or other type of covered structure that may confine
airflow.
NOTICE The figures below demonstrate the minimum
installation distances allowed to structures and items
shown in legend.
D
D
A
A
B A
C
A
B
Standby
5 ft (1.5 m)
5 ft (1.5 m)
5 ft (1.5 m)
Exhaust
Direction
18 in.
(45.7 cm) min.
Standby
Exhaust
Direction
5 ft (1.5 m)
A
13
Electrical and Fuel Inlet Locations
The 3/4 inch N.P.T. fuel inlet connector (A) and
electrical inlet location (B) is shown below.
A ½ inch knock-out is provided for the electrical
inlet. This inlet may be enlarged or supplemented to
accommodate a maximum conduit size of 1 ½ inches.
Ensure that the installed conduit(s) enter the unit in the
zone (C) shown in the drawing such that they properly
enter the electrical box and do not interfere with the
fully opened roof.
The standby generator is supplied with a base that,
unless mandated by local code, does not require a
concrete slab.
A
B
C
14
Lifting the Generator
The generator weighs more than 500 pounds (227 kg).
Proper tools, equipment and qualified personnel should be
used in all phases of handling and moving the generator.
Two 60” lengths of 3/4’” nominal minimum scheduled
40 steel pipe (A), supplied by the installer, are required
to lift the generator manually. Insert pipes through the
lifting holes (B) located near the unit’s base.
You may also lift the unit using a “hook and hoist”
method attached to the lifting pipes, provided that you
use a spreader bar to ensure that the chains or cables
DO NOT touch the generator’s roof.
WARNING Hazardous Voltage - Contact with
power lines could cause electric shock
or burns, resulting in death or serious
injury.Lifting Hazard / Heavy Object - Could result in
serious injury.
If lifting or hoisting equipment is used, DO NOT
contact any power lines.
DO NOT lift or move generator without assistance.
Use lifting pipes as described in Lifting the
Generator.
DO NOT lift unit by roof as damage to generator will occur.
In areas determined to be hurricane prone, it is
recommended to anchor the standby generator to
concrete. The concrete anchors must be rated to hold
800 lbs ( kg). There are four (C) 7/16 inch hole locations
around the base of generator in which to anchor the unit.
Concrete Anchoring of Unit
NOTICE Unless mandated by local or state code, a
concrete slab is not required.
A
B
C
C C
C
C
C
C
C
1257 mm
49.5”
600 mm
23.6”
1181 mm
46.5”
710 mm
28”
15
Access Ports
The generator is equipped with an enclosure that has
several access panels, as shown.
The access panels and the components located
behind them are listed below:
A - Roof (Control Panel, air filter, oil dipstick, and circuit
breaker)
B - Front Access Panel (oil drain and oil filter)
C - Battery Panel (battery and generator data label)
D - Rear Access Panel (fuel regulator, fuel selector, and
engine starter)
E - Control Panel Cover (field wiring and control wires)
Each generator is shipped with a set of identical keys.
These keys fit in the lock on the front removable panel.
The roof must be unlocked in order for it to open.
A
B
D
E
C
16
To open roof:
1. Insert key into lock (A) of front panel. Gently push
down on roof above the lock to aid in turning the
key. Turn key one quarter turn clockwise.
2. Lift roof to the open position.
To remove front panel:
1. Remove the two bolts (B) that secure the panel to the unit.
2. Lift panel to remove from unit.
To secure front panel:
1. Place panel in unit.
2. Secure the panel with two bolts.
To remove rear panel:
1. Ensure the roof is in the open position.
2. Remove the two bolts (C) that secure the panel to
the unit.
3. Lift panel to remove from unit.
To secure rear panel:
1. Slide panel into place on unit.
2. Secure the panel with two bolts.
To remove battery panel:
1. Ensure the roof is in the open position.
2. Remove the two bolts (D) that secure the panel to
the unit.
3. Lift up on panel and remove.
To secure battery panel:
1. Place panel in unit.
2. Secure the panel with two bolts.
A
B
C
D
17
The Gaseous Fuel System
The information below is provided to assist
gaseous fuel system technicians in planning
installations. In no way should this information
be interpreted to override applicable fuel gas
codes. Consult with your local fuel supplier or Fire
Marshall if questions or problems arise.
TO THE INSTALLER: Consult with the generator
owner(s) and convey any technical considerations
that might affect their installation plans before
applying these general guidelines.
The following general rules apply to gaseous fuel
system piping:
WARNING Propane and Natural Gas are extremely
flammable and explosive, which could cause
burns, fire or explosion resulting in death,
serious injury and/or property damage.
Before placing the generator into service, the fuel system
lines must be properly purged and leak tested.
No leakage is permitted.
NOTICE The supplied flexible
steel fuel line
is not to be
installed underground or in contact with the ground.
The entire
flexible
steel fuel line must be visible for
periodic inspection and must not be concealed
within nor contact nor run through any wall, floor,
or partition.
The piping should be of a material that conforms
to federal and local codes, rigidly mounted and
protected against vibration.
Piping should be protected from physical
damage where it passes through flower beds,
shrub beds, and other cultivated areas where
damage could occur.
NOTICE The illustration is representative of a typical
installation. Your installation may differ.
Install the
flexible
steel fuel line
(B)
(supplied)
between the generator fuel inlet port
(A)
and
rigid piping to prevent thermal expansion,
contraction, or any standby movement from
causing excessive stress on the piping material.
A
A union
(C)
or flanged connection shall be
provided downstream to permit removal of standby
generator.
A manometer port should be provided
(D)
. A digital
manometer, P/N 19495, is available at your Briggs &
Stratton service center. When the initial test runs are
completed, the manometer is removed and the port
is plugged. The manometer port permits temporary
installation of a manometer to ensure that the
engine receives the correct fuel pressure to operate
efficiently throughout its operating range.
Where the formation of hydrates or ice is known
to occur, piping should be protected against
freezing. The termination of hard piping should
include a sediment trap
(F)
where condensate is
not likely to freeze.
A minimum of one accessible, approved manual
shutoff valve (E) shall be installed in the fuel supply
line within 6 ft. (180 cm) of the standby generator.
A manual fuel shut-off valve should be installed
in the interior of the building.
Where local conditions include earthquake,
tornado, unstable ground, or flood hazards, special
consideration shall be given to increase strength
and flexibility of piping supports and connections
Piping must be of the correct size to maintain
the required supply pressures and volume flow
under varying generator load conditions with all
gas appliances connected to the fuel system
turned on and operating.
Use a pipe sealant or joint compound approved
for use with NG/LPG on all threaded fittings to
reduce the possibility of leakage.
Installed piping must be properly purged and
leak tested, in accordance with applicable codes
and standards.
WARNING Propane and Natural Gas are extremely
flammable and explosive, which could cause
burns, fire or explosion resulting in death,
serious injury and/or property damage.
LP gas is heavier than air and will settle in low areas.
Natural gas is lighter than air and will collect in high areas.
The slightest spark could ignite these fuels and
cause an explosion.
DO NOT light a cigarette or smoke.
A
B
C
D
E
F
18
Fuel Consumption
Estimated fuel supply requirements at half and full load
for natural gas and LP vapor fuels are shown below.
LP Vapor (Propane)
20kW 17kW
Full Load
Cu Ft/Hr 135 118
Gal/Hr
(liquid)
3.75 3.28
BTU/Hr 337500 295000
3/4 Load
Cu Ft/Hr 109 99
Gal/Hr
(liquid)
3.03 2.75
BTU/Hr 272500 247500
1/2 Load
Cu Ft/Hr 83 74
Gal/Hr
(liquid)
2.31 2.06
BTU/Hr 207500 185000
1/4 Load
Cu Ft/Hr 56 54
Gal/Hr
(liquid)
1.56 1.5
BTU/Hr 140000 135000
Exercise
Cu Ft/Hr 40 40
Gal/Hr
(liquid)
1.11 1.11
BTU/Hr 100000 100000
Natural Gas
20 kW
(18 kW)
17 kW
(15.3 kW)
Full Load
Cu Ft/ Hr 260 248
BTU / Hr 260000 248000
3/4 Load
Cu Ft/ Hr 240 218
BTU / Hr 240000 218000
1/2 Load
Cu Ft/ Hr 187 170
BTU / Hr 187000 170000
1/4 Load
Cu Ft/ Hr 135 128
BTU / Hr 135000 128000
Exercise
Cu Ft/ Hr 99 99
BTU / Hr 99000 99000
Recommended
Energy Content of
Fuel
LP Vapor Natural
Gas
Heating Value:
BTU per gallon (gross**)
Cubic feet (gas)
91,547
2,500 1,000
Fuel Pressure
Both LP vapor and natural gas fuel supply pressure
at the generator’s fuel inlet port should be between
the following levels at full load with all gas appliances
turned on and operating.
NG is 3.5-7”
LP is 11-14” W.C.
Ensure that all gas line shutoff valves are OPEN and
that adequate fuel pressure is available whenever
automatic operation is desired.
For natural gas fuel pressure levels of 3.5-5” W.C.,
replace regulator assembly with service kit 6331-00.
Power Loss
Air density is less at high altitudes, resulting in less
available engine power. Specifically, engine power
will decrease 3.5% for each 1,000 feet (300 meters)
above sea level and 1% for each 10° F (5.6°C) above
77°F (25°C). Make sure you and your installer consider
these factors when determining total generator load.
Fuel Pipe Sizing
There are numerous on-line or otherwise-published
references for fuel pip sizing. For example, NFPA
54-Natural Fuel Gas Code, 2006 (Item #: 320-6031-06)
is a common resource.
The installer should consider the specific gravity of gas
and compensate for a nominal amount of restriction
from bends, fittings, etc. If an unusual number of
fittings, bends, or other restrictions are used, refer to
federal and local codes for guidance.
19
Fuel Conversion
The engine of your generator system is factory calibrated
to run on natural gas (NG) or on liquefied petroleum (LP)
vapor. To convert to either fuel, follow these steps:
NOTICE Units are set to NG at the factory.
1. Put the key into the lock of the front panel. Lightly
push down on the roof above the lock, and then
turn the key one quarter turn clockwise.
2. Lift the roof to the open position.
3. Push the control board OFF button.
4. Remove 15-amp fuse from the control panel.
5. Remove the rear panel.
6. Find the fuel selector switch (A) on top of the fuel
regulator (B).
Option A:
• Use a 5 mm hex wrench and turn the selector
switch to LP or NG.
• Install the tamper-proof plug (supplied) over fuel
selector switch. Make sure that the convex side
points out.
Option B:
• Remove cap (C) from Fuel Select Valve by
sliding it upward.
• LP or NG is selected by using the cap (C)
as a tool to rotate the indicator to the LP or
NG mark (the image below shows the FSV
set to LP fuel).
• Install the cap (C) after fuel selection is
complete.
7. Once the fuel selection is complete, apply
a drop of cyanoacrylate (super) glue on
the Fuel Select Cap (C) before installing it
again.
8. Install the rear panel.
9. Install 15-amp fuse in the control panel.
10. Push the control board AUTO button.
11. Close the roof.
A
B
C
C
Option B:
Option A:
20
System Connectors
Low Voltage connections to signal fault contacts, transfer switch communication and auxiliary 12VDC power are
made via a field connection terminal block in control board area. Compare this illustration with your generator to
familiarize yourself with the location of these connections.
• For power output connection (Line 1, Line 2, Neutral, and Ground), refer to the following table:

17 kW 20 kW
4AWG [21 mm
2
] Cu 4AWG [21 mm
2
] Cu
3AWG [27 mm
2
] Al 2AWG [34 mm
2
] Al
• Reference NEC 2014 table 310.15 (B) (16) • Use National Electric Code for correction factors and wire size calculations
• Metric system rounded for simplicity.
• For transfer switch communication use #18 AWG [1 mm
2
] twisted pair conductors, no greater than 200 ft in length, 300
volt 90°C wire.
• When connecting to the terminal block, fasten only one wire to each connector screw.
• Torque terminal block screws to 4.4 in-lb [0.49 Newton meter].
• Torque circuit breaker connections to 45 in-lb [5 Newton meter].
A
- Two Pin Terminal Block — Used to connect
utility 240 VAC from fuse block in ATS to the
control board. Connect only one wire per
terminal. Use #14 AWG [2.5 mm
2
] minimum 300
volt wire.
B
- Fault Contacts — Use NO, COM and NC to
hook up a siren, light, etc. to alert you in case of
a fault. Contacts reverse state (NO goes to NC
and vice versa) upon a fault condition.
C
Transfer Switch Communication (TxRx
and TxRx GND) — Connect to transfer switch
control board for communication interface using
18AWG [1 mm
2
] twisted pair wire.
D
+LED and GND Connection — Not required for
wireless monitor included with unit. Available for
optional hardwired remote system status panel
accessory, #6154.
E
- Eight Pin Terminal Block — Used to connect
signal wires to the control board. Connect only
one wire per terminal.
F
- Power Connection (Line 1 and Line 2)
Power connection to transfer switch.
G
- Ground Connection — Connect to transfer
switch ground
H
- Neutral Connection — Connect to transfer
switch neutral
25
26
1
2
3
4
5
6
7
8
]
]
]
]
L1
N
L2
B
C
F
H
G
D
A
E
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Simplicity 040573-01 Guide d'installation

Catégorie
Groupes électrogènes
Taper
Guide d'installation
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