Power Max PMG 4500iSR User manual

Inverter Generator - Gasoline
OPERATOR’S MANUAL
Model: PMG 4500iSR
Warning: The Engine Exhaust from this product contains chemicals known to
the State of California to cause cancer, birth defects or other reproductive harm.
PowerMaxConverters.com

,QWURGXFWLRQ
3DUWV2UGHULQJ&XVWRPHU6HUYLFH
6DIHW\5XOHV   
6DIHW\6\PEROV  
6DIHW\,QVWUXFWLRQV  
)HDWXUHV 
&RQWURO3DQHO)XQFWLRQV   
)XHO9DOYH.QRE
,QGLFDWRU/LJKWV   
'&&LUFXLW%UHDNHU
(QJLQH ³(FRQRP\´ &RQWURO    
3DUDOOHO&RQQHFWLRQV
*URXQG7HUPLQDO
$VVHPEO\ 
&RQQHFWLQJ *HQHUDWRU WR D%XLOGLQJ (OHFWULFDO 6\VWHP
$GGLQJ)XHO  
&KHFNLQJ$GGLQJ2LO
2SHUDWLRQ  
+RZWR6WDUW(QJLQH  
+RZWR6WRS(QJLQH  
$WWDFKLQJ(OHFWULFDO'HYLFHV
&KDUJLQJD9ROW%DWWHU\  
$& 3DUDOOHO 2SHUDWLRQ  
'R1RW 2YHUORDG*HQHUDWRU
:DWWDJH5HIHUHQFH*XLGH  
0DLQWHQDQFH   
0DLQWHQDQFH6FKHGXOH   
&KHFNLQJ6SDUN3OXJ     
&KDQJLQJ2LO  
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INTRODUCTION
AC Output
Rated AC Voltage
Rated Frequency
AC Current
5V DC 2.1A
Rated Output 3700W
Maximum Output 4500W
Engine
Displacement 224cc
Engine Type Single cylinder, 4 Stroke, OHV, Air Cooled
Engine Oil Type SAE 10W30
Engine Oil Capacity 600ml / 20.2 oz.
Fuel Tank Capacity 12L / 3.17Gal
Date of Purchase:
Model Number:
Serial Number
Record the following information below for service or warranty assistance.
120V
60Hz
20A Duplex & 30A RV
USB Outlet
DC Output Cigarette Outlet 12V DC 8A
Thank you for purchasing this superior quality portable generator from PowerMax When operating
and maintaining this product as instructed in this manual, your generator will give you many years of reliable
service.
Product Specifications:
This generator is an engine-driven, revolving field, alternating current (AC) portable generator. It is designed
to supply electrical power to operate tools, appliances, camping equipment, lighting, or serve as a backup
power source during power outages.
The emissions control system for this generator is compliant with all standards set by theUS EPA.
How to contact us:
You can contact us by Telephone: [phone], Email: [email protected], or write to us at:
PowerMax
11161 E SR 70, Suite 110-103
Lakewood Ranch, FL 34202

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PROP 65 WARNING: This product contains chemicals known to the state of California to cause cancer and birth defects or
other reproductive harm.
WARNING!
Never operate this unit if there are any broken or missing parts and only usePowerMax
replacement parts specifically designed for thisunit.
• Improper treatment of generator can damage the unit and shorten its life.
•
Always repair this unit as specified in this manual. If you have any questions, contact your dealer, or consult a
qualified service center.
• Shut generator off if electrical output is missing, unit vibrates excessively or begins to smoke, spark, or emit flames.
WARNING! Only use this unit as intended or serious injury or death could result.
• Do not bypass any safety device. Moving parts are covered with guards. Make sure all protective covers are in place.
• Never transport or make adjustments to this unit this unit while it is running.
• Never insert objects through cooling slots.
WARNING! Never modify this unit in any way or modify governed speed.
• Increasing governed speed is dangerous which can result in personal injury and/or damaged equipment.
• Decreasing governed speed adds an excessive load and can damage equipment.
• Only when operating at the preset governed speed this generator will supply the correct rated frequency and
voltage.
WARNING!
Generator must be properly grounded to prevent electrocution.
• Only operate generator on a level surface.
• If connected to a structure, connect the ground terminal on the frame to an appropriate ground
WARNING!
This generator produces high voltage which could result in burnsor electrocution
causing serious injury or death.
• Never handle the generator, electrical devices, or any cord while standing in water, while barefoot, or when hands or
feet are wet.
• Always keep the generator dry. Never operate generator in rain or under wet conditions.
• Use a ground fault circuit interrupter (GFCI) in a damp or highly conductive area, such as metal decking
or steel work.
• Never plug electrical devices into generator having frayed, worn, or bare wires. Never touch bare wires or contact
receptacles.
• Never permit a child or unqualified person to operate generator. Always keep children a minimum of 10 feet away
from the generator.
• If using the generator for backup power, notify the utilitycompany.
• If connecting generator to a building’s electrical system for standby power, you must use a qualified electrician to
install a transfer switch. Failure to isolate the generator from the power utility could result in serious injury or death to
electric utility workers.
SAFETY RULES

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CONTROL PANEL FUNCTIONS
Note: The economy switch must be moved to the “OFF” position when using electrical devices that require a large
starting current, such as an air compressor.
Parallel Connections
Located just above the Ground Terminal, the generator’s Parallel Connections enable a user to run two PMG 4500iSR
generators simultaneously. This feature requires special cables and a parallel kit. When operating generators in parallel,
the rated output is 7.4kVA and the rated output is 61.6A/120VAC. To operate generators in parallel consult a PowerMax
dealer for a PARALLEL OPERATION CABLE KIT
• Only connect this generator to another PMG 4500iSR Inverter Generator.
• Only use a parallel operation cable kit designed to work with this Generator.
WARNING! Never connect generators that are different models.
FuelTankCap
Turn counterclockwise to remove the fuel tank cap.
Grounding the Generator
This portable inverter generator is equipped with a terminal for the connection of a
ground electrode conductor where a grounding electrode system is required by NEC
Article 250.34(A). The equipment grounding conductors of the generator receptacles
are bonded to the generator frame. Where the generator supplies power to cord and
plug connected equipment, like power tools, the frame of the generator is not required
by the NEC to be connected to an earthen ground electrode. The generator neutral
conductor is bonded to the generator frame in accordance with NEC Article 250.34(C)
• Only operate generator on a level surface.
• The ground terminal MUST be connected to an earthen ground if the generator is connected to a structure.
WARNING! Generator must be properly grounded to prevent electrocution.

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• Only connect this generator to another PMG 4500iSR generator.
• Only use a PowerMax approved parallel operation cable kit to connect generators.
• The parallel operation kit must be removed if operating only one generator.
• Never disconnect or remove and parallel operation kit while generator(s) are still running.
WARNING! Never connect generators that are different models.
AC Parallel Operation
It is possible to connect two PMG 4500iSR generators to each other, using a parallel cable kit, to increase available
power output
•You may connect PARALLEL OPERATION CABLES to two PMG 4500iSR generators according to the instructions
provided with parallel cable kit.
•Make sure the Economy switch is in the same position on both generators.
•All electrical devices should be turned “OFF” and disconnected from generators prior to starting generator engines.
•Start generator engines. Make sure the green AC Pilot indicator light comes on for each generator.
•When engines have stabilized, plug in electrical devices to AC receptacle and turn on first load.
•Allow generator output to stabilize (the first electrical device to an AC receptacle on the parallel cable kit.) before
plugging in the next electrical load.
OPERATION
WARNING!
• A faulty appliance or power cord can create an electric shock. Do not use electrical devices that have a damaged cord
or plug.
• If an appliance begins to operate abnormally, becomes sluggish, or stalls, switch off and disconnect appliance
immediately. The appliance may have a fault or its rated load requirements exceeds the capacity of the generator.
• To avoid damage to generator or electrical device, do not connect a load to the generator if its electrical rating exceeds
that of the receptacle.
Only connect electrical devices to the generator that are in good working order and do not
exceed the rated power supply of the generators in parallel or the desired receptacle.
Limit start-up time to 3 seconds for load requiring maximum output. For continuous operation, do not exceed the rated
output.
Note:It is strongly recommended to plug in devices with the largest electrical demand output first and the smallest
electrical demand last to help prevent overloading the generator.
Note:Most electrical devices require power beyond its rated wattage to start. This additional power is referred to as surge
watts and motor-based start-up loads usually last between 2-3 seconds. When an electrical device is started, the red
overload indicator may come on. This is normal. If the light stays on disconnect all electrical devices and stop the engine.

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18
MAINTENANCE
Before inspecting or servicing this machine, make sure the engine is off and no parts are
moving. Disconnect the spark plug wire and move it away from the spark plug.
If you are unsure of how to perform a maintenance task, have the unit serviced by
Pre-Operation Steps
After Each Use
•
•
•
•
•
After First 5 Hours
After 8 Hours or Daily
Annually (25 hr Use)
Inspect
Annually (100 hr Use)
Change Engine Oil after the first 25 hours, again at 50 hours; then every 100
hours thereafter.
PowerMax
PowerMax

19
Checking Spark Plug
• Remove the Engine Service Panel to gain access to the spark plug.
• Disconnect the spark plug wire from the spark plug.
• Before removing the spark plug, clean the area around its base to prevent debris from
entering the engine.
• Insert a 19mm, 6-point, deep-well spark plug socket wrench through the opening on
the outside of the cover. Turn the wrench counter clockwise to loosen and remove
spark plug.
• Check for discoloration and clean carbon deposits from the electrode with a wire
brush.
• Check the electrode gap and slowly adjust to 0.6 - 0.7mm (0.024-0.028 in) if
necessary.
• Reinstall spark plug and tighten to 20.0Nm (15 ft-lb) of torque.
• If spark plug is worn, replace only with an equivalent type. Spark plug should be
replaced annually regardless of apparent condition.
• Reconnect spark plug wire, firmly, until it clicks into place.
Standard Spark Plug: F7TC/F7RTC
Spark Plug Gap: 0.6 - 0.7mm (0.024-0.028 in)
Spark Plug Torque: 20.0Nm (15 ft-lb)
MAINTENANCE
Carburetor Adjustment
The carburetor is low emission and is equipped with a non-adjustable idle mixture valve. If adjustment is needed
contact an authorized PowerMax Products dealer.
Oil Recommendations
•
•
Do not use special additives.
Outdoor temperatures determine the proper oil viscosity for the engine. Use the chart to select the best
viscosity for the outdoor temperature range expected.
-22
-4
14
32
50
68
86
104
-30
-20
-10
0
10
20
30
40
SAE 30
10W-30
Synthetic 5W-30
0W-30
*
*
*
C
F
Check oil level more frequently
Note: *
*
(4 C) the use of SAE 30
Below 40 F
*
will result in hard starting.
Above 80 F(27 C) the use of 10W-30
may cause increased oil consumption.
0.6-0.7mm

20
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