Yamaha generator User Manual
OWNER’S MANUAL
Read this manual carefully before operating this machine.
Generator
EF2000iS
LIT-19626-01-53
7DK-28199-10
Read this manual carefully befor operating this machine.This manual should
stay with this machine if it is sold.
AE00002
INTRODUCTION
Congratulations on your purchase of your new Yamaha.
This manual will provide you with a good basic understanding of the operation and maintenance of this machine.
If you have any questions regarding the operation or maintenance of your machine,
please consult a Yamaha dealer.
AE00022
EF2000iS
OWNER’S MANUAL
© 2009 by Yamaha Motor Corporation, U.S.A.
1st Edition, January 2009
All rights reserved.
Any reprinting or unauthorized use
without the written permission of
Yamaha Motor Corporation, U.S.A.
is expressly prohibited.
Printed in Japan
P/N LIT-19626-01-53
NOTICE
WARNING
WARNING
IMPOTANT MANUAL INFORMATION
Particularly important information is distinguished in this manual by the following
notations.
This is the safety alert symbol. It is
used to alert you to potential personal
injury hazards. Obey all safety messages that follow this symbol to avoid
possible injury or death.
A WARNING indicates a hazardous situation which, if not avoided, could result
in death or serious injury.
A NOTICE indicates special precautions that must be taken to avoid damage to the machine or other property.
TIP
A TIP provides key information to make
procedures easier or clearer.
AE00032
PLEASE READ AND UNDERSTAND
THIS MANUAL COMPLETELY BEFORE
OPERATING THE MACHINE.
TIP
9 Yamaha continually seeks advance-
9 This manual should be considered a
ments in product design and quality.
Therefore, while this manual contains
the most current product information
available at the time of printing, there
may be minor discrepancies between
your engine and this manual. If there is
any question concerning this manual,
please consult a Yamaha dealer.
permanent part of this engine and
should remain with this engine when
resold.
* Product and specifications are subject to
change without notice.
AE00041
CONTENTS
SAFETY INFORMATION.........................1
EXHAUST FUMES ARE
POISONOUS........................................1
FUEL IS HIGHLY FLAMMABLE AND
POISONOUS........................................1
ENGINE AND MUFFLER MAY BE
HOT ......................................................1
ELECTRIC SHOCK PREVENTION .....2
CONNECTION NOTES........................3
CONNECTION .....................................3
EXTENSION CORD NOTES................3
LOCATION OF IMPORTANT
LABELS...................................................4
DESCRIPTION ........................................6
Control Panel........................................6
CONTROL FUNCTION............................7
Engine switch .......................................7
Oil warning light (Red)..........................7
DC protector .........................................7
Economy control switch........................8
AC pilot light (Green)............................8
Overload indicator light (Red) ..............9
Fuel tank cap........................................9
Fuel tank cap air vent knob................10
Fuel cock knob ...................................10
Ground (Earth) terminal .....................10
Twin Tech ............................................10
PREPARATION .....................................11
Fuel.....................................................11
Engine oil............................................12
PRE-OPERATION CHECK ...................13
Pre-operation check ...........................13
OPERATION ..........................................14
Starting the engine .............................14
Stopping the engine ...........................16
Connection .........................................17
Battery charging .................................18
Application range................................20
PERIODIC MAINTENANCE..................21
Maintenance chart..............................21
Spark plug inspection .........................23
Carburetor adjustment........................24
Engine oil replacement.......................24
Air filter ...............................................26
Muffler screen and spark arrester ......27
Fuel tank filter.....................................29
STORAGE .............................................30
Drain the fuel ......................................30
Engine ................................................32
TROUBLESHOOTING...........................33
Engine won’t start...............................33
Generator won’t produce power.........34
SPECIFICATIONS .................................36
Dimensions.........................................36
Engine ................................................36
Generator ...........................................36
CONSUMER INFORMATION ................37
Identification number records .............37
Machine identification.........................37
LIMITED WARRANTY (EF- AND
EDL-SERIES) ........................................38
EXHAUST EMISSION CONTROL
SYSTEM AND COMPONENTS .........40
WIRING DIAGRAM ...............................41
7DK-001
7DK-002
7DK-003
AE00071
SAFETY INFORMATION
AE00072
EXHAUST FUMES ARE POISONOUS
9 Never operate the engine in a closed area or it may
cause unconsciousness and death within a short
time. Operate the engine in a well ventilated area.
AE00075
FUEL IS HIGHLY FLAMMABLE AND
POISONOUS
9 Always turn off the engine when refuelling.
9 Never refuel while smoking or in the vicinity of an
open flame.
9 Take care not to spill any fuel on the engine or muf-
fler when refueling.
9 If you swallow any fuel, inhale fuel vapor, or allow
any to get in your eye(s), see your doctor immediately. If any fuel spills on your skin or clothing,
immediately wash with soap and water and change
your clothes.
9 When operating or transporting the machine, be
sure it is kept upright. If it tilts, fuel may leak from
the carburetor or fuel tank.
7DK-004
AE00843
ENGINE AND MUFFLER MAY BE HOT
9 Place the machine in a place where pedestrians or
children are not likely to touch the machine.
7DK-005
9 Avoid placing any flammable materials near the
exhaust outlet during operation.
7DK-006
– 1 –
7DK-007
a
7DK-008a
1
7DK-036
9 Keep the machine at least 1 m (3 ft) from buildings
or other equipment, or the engine may overheat.
a 1 m (3 ft)
9 Do not operate the engine with a dust cover or
other objects covering it.
9 When covering the generator, be sure to do so only
after the engine and muffler have completely
cooled down.
9 Be sure to carry the generator only by its carrying
handles 1.
9 Do not place any obstacles on the generator.
AE00083
ELECTRIC SHOCK PREVENTION
9 Never operate the engine in rain or snow.
7DK-009
9 Never touch the machine with wet hands or electri-
cal shock will occur.
7DK-010
– 2 –
7DK-012
1
2
1
2
WARNING
9 Connect the ground lead of the machine to the
1
7DK-011
ground (Earth) terminal 1 and connect the end to
the ground electrode buried in the ground.
AE00088
CONNECTION NOTES
9 Avoid connecting the generator to commercial
power outlet.
9 Avoid connecting the generator in parallel with any
other generator.
1 Correct
2 Incorrect
AE00091
CONNECTION
Before the generator can be connected to a building’s electrical system, a licensed electrician must
install an isolation (transfer) switch in the building’s main fuse box. The switch is the connection
point for generator power and allows selection of
generator or main line power to the building. This
will prevent the generator from charging the main
power line (backfeeding) when the main power supply has failed or has been turned off for line repair.
Backfeeding can electrocute or injure line maintenance personnel. Also, generator and building
electrical system damage can occur when normal
operating power returns if unit is used without an
isolation switch.
AE00086
EXTENSION CORD NOTES
Extension cords should be protected by a tough flexible
rubber sheath (IEC 245) or the equivalent to withstand
mechanical stresses.
– 3 –
AE00062
DANGER
Using a generator indoors CAN KILL YOU IN MINUTES.
Generator exhaust contains carbon monoxide.
This is a poison you cannot see or smell.
NEVER use inside a home
or garage, EVEN IF doors
and windows are open.
Only use OUTSIDE and
far away from windows,
door, and vents.
1
2
7DK-013
3
4
5
6
7DK-014
LOCATION OF IMPORTANT LABELS
Please read the following labels carefully before operating this machine.
TIP
Maintain or replace safety and instruction labels, as
necessary.
1
– 4 –
2
WARNING
q
8
Read the owner’s manual and all labels before operating.
8
Only operate in well-ventilated areas. Exhaust gas contains poisonous carbon monoxide.
8
Check for spilled fuel or fuel leaks.
8
Stop engine before refueling.
8
Do not operate near flammable materials.
8
Electrocution can occur if generator is used in rain, snow, or near water. Keep this unit dry at all times.
8
Electrocution or property damage can occur: Do not connect this generator to any building’s electrical
system unless an isolation switch has been installed by a licensed electrician. Refer to the owner’s manual.
8
When operating the generator:
Never place a partition or other barrier around the generator.
Do not cover the generator with a box.
Do not place any objects on the generator.
7DK-24162-10
Important Emissions Information The air index of this engine is 3
(California only)
MOST CLEAN LEAST CLEAN
0246810
YAMAHA MOTOR POWERED PRODUCTS CO.,LTD.
This engine meets **** California exhaust and evaporative
emission regulations for small off-road engines.
This engine conforms to Phase 2 U.S.EPA regulations for
small nonroad engines.
EMISSIONS COMPLIANCE PERIOD : CATEGORY A(EPA)
EF: ********* DISPLACEMENT: *** cc
EVAP F: ******** EMISSION CONTROL SYSTEM: EM
This engine is certified to operate on unleaded gasoline.
ENGINE OIL: SAE10W-30 TYPE: SE
No other adjustments needed.
Note: The lower the air index, the less the pollution.
This engine is certified to be emissions compliant
for the following use:
Check owner's manual for further details.
MODERATE
(*** HOURS)
INTERMEDIATE
(*** HOURS)
EXTENDED
(*** HOURS)
X
HOT EXHAUST
7WL-28176-10
NOTICE
Use the specified spark plug only.
Specified plug:BPR6HS(NGK)
7DK-24164-10
OIL
EF2000IS
YAMAHA MOTOR POWERED PRODUCTS CO.,LTD.
MADE IN JAPAN
AC output 60Hz
Rated 1.6kVA
120V
Phase
Single
DC output
12V 8A
Fuel
Gasoline
3
5
6
4
– 5 –
1
2
3
4
7DK-015
123 45
7DK-017
5
6
7
7DK-016
DESCRIPTION
1 Carrying handle
2 Fuel tank cap air vent knob
3 Fuel tank cap
4 Recoil starter
5 Fuel gauge
6 Muffler
7 Oil filler cap
w
0q
6
7
8
9
AE00103
Control panel
1 Oil warning light
2 AC pilot light
3 Overload indicator light
4 Economy control switch
(Black)
5 Engine switch (Red)
6 Fuel cock knob
7 Choke knob
8 Twin Tech (parallel running
terminal)
9 AC receptacle
0 DC protector (breaker)
q Ground (Earth) terminal
w DC receptacle
– 6 –
1
2
7DK-018
AE00101
1
2
7DK-052
CONTROL FUNCTION
AE00121
Engine switch
The engine switch controls the ignition system.
1 7 “ON”
Ignition circuit is switched on.
The engine can be started.
2 5 “STOP”
Ignition circuit is switched off.
The engine will not run.
AE00111
Oil warning light (Red)
When the oil level falls below the lower level, the oil
warning light comes on and then the engine stops automatically. Unless you refill with oil, the engine will not
start again.
TIP
If the engine stalls or does not start, turn the engine
switch to “ON” and then pull the recoil starter. If the oil
warning light flickers for a few seconds, the engine oil is
insufficient. Add oil and restart.
700-115
DC protector
The DC protector turns off 2 automatically when electric device being connected to the generator is operating and current above the rated flows. To use this equipment again, turn on the DC protector by pressing its
button to “ON” 1.
1 “ON”
Direct current is output. (This is the default position.)
2 “OFF”
Direct current is not output.
– 7 –
1
2
7DK-020
Reduce the load of the connected electric device
NOTICE
below the specified rated output of the generator if
the DC protector turns off. If the DC protector turns
off again, stop using the device immediately and
consult a Yamaha dealer.
AE00142
Economy control switch
1 I “ON”
When the economy control switch is turned to “ON” 1,
the economy control unit controls the engine speed
according to the connected load. The results are better
fuel consumption and less noise.
2 3 “OFF”
When the economy control switch is turned to “OFF” 2,
the engine runs at the rated r/min (4,500 r/min) regardless of whether is a load connected or not.
TIP
The economy control switch must be turned to “OFF” 2
when using electric devices that require a large starting
current, such as a compressor of a submergible pump.
AC pilot light (Green)
The AC pilot light 1 comes on when the engine starts
and produces power.
1
7DK-048
– 8 –
AE01087
1
7DK-021
Overload indicator light (Red)
The overload indicator light 1 comes on when an overload of a connected electrical device is detected, the
inverter control unit overheats, or the AC output voltage
rises. Then, the AC protector will trip, stopping power
generation in order to protect the generator and any
connected electric devices. The AC pilot light (Green)
will go off and the overload indicator light (Red) will stay
on, but the engine will not stop running.
When the overload indicator light comes on and power
generation stops, proceed as follows:
1. Turn off any connected electric devices and stop
the engine.
2. Reduce the total wattage of connected electric
devices within the rated output.
3. Check for blockages in the cooling air inlet and
around the control unit. If any blockages are found,
remove.
4. After checking, restart the engine.
TIP
The overload indicator light may come on for a few seconds at first when using electric devices that require a
large starting current, such as a compressor or a submergible pump. However, this is not a malfunction.
Fuel tank cap
Remove the fuel tank cap by turning it counterclockwise.
7DK-022
– 9 –
1
2
7DK-023
7DK-042a
Fuel tank cap air vent knob
The fuel tank cap 2 is provided with an air vent knob
1 to stop fuel flow.
The air vent knob must be turned to “ON”. This will
allow fuel to flow to the carburetor and the engine to
run. When the engine is not in use, turn the air vent
knob to “OFF” to stop fuel flow.
2
1
Fuel cock knob
The fuel cock supplies fuel from the fuel tank to the carburetor.
The fuel cock has two positions.
1 “ON”
7DK-024
With the knob in this position, fuel flows to the carburetor. Normal using is done with the knob in this position.
2 “OFF”
With the knob in this position, fuel will not flow. Always
turn the knob to this position when the engine is not
running.
Ground (Earth) terminal
Ground (Earth) terminal 1 connects the earth line for
prevention of electric shock.
When the electric device is earthed, always the gener-
1
7DK-011
ator must be earthed.
Twin Tech
(Terminal for Connecting special cables for
parallel running)
This is the terminal for connecting special cables for
parallel running of two EF2000iS. The parallel running
requires two EF2000iS and the special cables. (The
rated output in parallel running is 3.0 kVA and the rated
current is 25.0 A.)
The handling, operation procedure and the notes on
usage are described in the PARALLEL RUNNING KIT
OWNER’S MANUAL included in the Parallel Running
Kit. Consult a Yamaha dealer for this Parallel Running
Kit.
– 10 –
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