Simplicity OPERATOR'S MANUAL RHEEM 12'15'18'20KW STANDBY MODELS- 040254A 040255A 040267A 040268A Manuel utilisateur

Marque: Simplicity

Modèle: OPERATOR'S MANUAL RHEEM 12'15'18'20KW STANDBY MODELS- 040254A 040255A 040267A 040268A

Catégorie: Groupes électrogènes

Taper: Manuel utilisateur

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Help is just a moment away!

Call: Generator Helpline

877-369-9400 M-F 8-5 CT

Residential

Generator Systems

Operator’s Manual

GEN12AD, GEN15AD, GEN20AD

Not for

Reproduction

Thank you for purchasing this quality-built Rheem / Ruud standby generator. We are pleased that you’ve placed your

confidence in the Rheem or Ruud brand. When operated and maintained according to the instructions in this manual, your

Rheem / Ruud generator will provide many years of dependable service.

This manual contains safety information to make you aware of the hazards and risks associated with standby generators

and how to avoid them. Because Rheem does not necessarily know all the applications this equipment could be used for, it

is important that you read and understand these instructions thoroughly before attempting to start or operate this equipment.

Save these original instructions for future reference.

This standby generator requires professional installation before use. Refer to the separate Installation manual for

instructions on safe installation procedures. Your installer should follow the instructions completely.

Where to Find Us

You never have to look far to find support and service for your standby generator equipment. Consult your Yellow Pages.

There are many Rheem and Ruud authorized service dealers who provide quality service. You can also contact Rheem/Ruud

Customer Service by phone at 877-369-9400.

Generator and engine model and serial numbers should be recorded in the installation manual.

Rheem Manufacturing Company

Randleman, NC 27317

877-369-9400

reserved. No part of this material may be reproduced or transmitted

in any form by any means without the express written permission of

Rheem Manufacturing Company.

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Table of Contents

Important Safety Instructions........................4

Installation ....................................7

Owner Orientation ............................................7

Fuel Factors .................................................8

Delivery Inspection............................................9

Controls ..................................... 10

Residential Generator.........................................10

System Control Panel.........................................11

Access Ports ...............................................12

Operation .................................... 12

Engine Oil..................................................12

Battery ....................................................12

15 Amp Fuse ...............................................13

Automatic Operation .........................................13

Setting Exercise Timer ........................................13

Maintenance .................................. 14

Fault Detection System .......................................14

Engine Oil..................................................16

Battery ....................................................16

Cleaning the Generator........................................17

Troubleshooting................................ 18

Warranty..................................... 19

Product Specifications ........................... 20

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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 Running engine gives off carbon

monoxide, an odorless, colorless, poison gas.

Breathing carbon monoxide can cause headache,

fatigue, dizziness, vomiting, confusion, seizures,

nausea, fainting or death.

Operate generator ONLY outdoors.•

Install a battery operated carbon monoxide alarm near •

the bedrooms.

Keep exhaust gas from entering a confined area through •

windows, doors, ventilation intakes, or other openings.

WARNING Storage batteries give off explosive

hydrogen gas during recharging.

Slightest spark will ignite hydrogen

and cause explosion.

Battery electrolyte fluid contains

acid and is extremely caustic.

Contact with battery contents will 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.•

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.

Save These Instructions

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WARNING Generator produces hazardous voltage.

Failure to properly ground generator can result in

electrocution.

Failure to isolate generator from power utility can

result in death or 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 can 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.

Fire or explosion can cause severe burns

or death.

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 Contact with muffler area can result in

serious burns.

Exhaust heat/gases can ignite combustibles

or structures causing a fire.

DO NOT touch hot parts and AVOID hot exhaust gases.•

Allow equipment to cool before touching.•

DO NOT install the generator closer than 5 feet (1.5m) •

from any combustibles or structures with combustible

walls having a fire resistance rating of less than 1 hour.

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.

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NOTICE Improper treatment of generator can 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 Oil Fill, Oil Drain and the Control Panel doors must be •

installed whenever the unit is running.

DO NOT expose generator to excessive moisture, dust, •

dirt, or corrosive vapors.

Despite the safe design of the generator, operating this •

equipment imprudently, neglecting its maintenance or

being careless can 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.

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 can 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 if: •

-electrical output is lost;

-equipment sparks, smokes, or emits flames;

-unit vibrates excessively.

NOTICE Exceeding generators wattage/amperage

capacity can damage generator and/or electrical devices

connected to it.

Start generator and let engine stabilize before connecting •

electrical loads.

WARNING Starter and other rotating parts can

entangle hands, hair, clothing, or accessories.

NEVER operate generator without protective housings, •

covers, or guards in place.

DO NOT wear loose clothing, jewelry or anything that may •

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.

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 increase

risk of injury and damage to generator.

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.•

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Installation

We sincerely appreciate your patronage. For this reason, we

have made every effort to provide for a safe, streamlined

and cost-effective installation. Because each installation is

unique, it is impossible to know of and advise the trade of all

conceivable procedures and methods by which installation

might be achieved. Neither could we know of possible

hazards and/or the results of each method or procedure.

For these reasons, only current licensed electrical and

plumbing professionals should attempt residential

generator system installations. Installations must strictly

comply with all applicable codes, industry standards

and regulations.

Your residential generator is supplied with this “Operator’s

Manual” and a separate “Installation Manual”. These are

important documents and should be retained by the owner

after the installation has been completed.

For the Home Owner:

To help you make informed choices and communicate

effectively with your installation contractor(s), read and

understand Owner Orientation in this manual before

contracting or starting your generator installation.

To arrange for proper installation, contact the store at which

you purchased your residential generator, your dealer, a

licensed electrician or your utility power provider.

The residential generator warranty is VOID unless

the system is installed by licensed electrical and

plumbing professionals.

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.

The Emission Control System for this generator is warranted

for standards set by the U.S. Environmental Protection

Agency and by the California Air Resources Board (CARB).

For the Installing Dealer/Contractor:

For most applications, the installation manual contains all

the information required to properly install and start the

residential generator. This operator’s manual describes

routine operation and owner maintenance procedures.

If you need more information in this matter, please call at

877-369-9400 between 8:00 AM and 5:00 PM CT.

Owner Orientation

This section provides residential generator owners with the

information necessary to achieve the most satisfactory and

cost effective installation possible.

The illustrations are for typical circumstances and are meant

to familiarize you with the installation options available with

your residential generator. A thorough understanding of

these options will provide fundamental control over the cost

of your installation, as well as ensure your final satisfaction

and security.

Federal and local codes, appearance, noise levels, fuel types,

and distances are the factors that must be considered when

negotiating with an installation professional. Remember

that as the distance from the existing electrical service and

gaseous fuel supply increases, and the number of 90 degree

bends in the fuel supply increases, compensations in piping

and wiring materials must be made. This is necessary to

comply with local codes and overcome electrical voltage

drops and gaseous fuel pressure drops.

The factors mentioned above will have a direct affect on

the overall price of your residential generator installation.

In some areas you may need to acquire electrical permits

for installing the residential generator, building permits for

installing gas lines, and permits for noise allowances. Your

installer should check your local codes AND obtain the

permits before installing the system.

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Fuel Factors

An important consideration affecting the entire installation

is the type of fuel used by your residential generator.

The system was factory tested and adjusted using either

natural gas or liquid propane (LP vapor). For proper engine

function, factors that are inherent to each of these fuels, your

location and the duration of possible utility interruptions are

important considerations in the following fuel guidelines:

 • Useclean,dryfuel,freeofmoistureorany

particulate material. Using fuels outside the

following recommended values may cause

performance problems.

 • Inenginessetuptorunonpropane(LP),commercial

grade HD5 propane with a minimum fuel energy of

2500 BTUs/ft

with maximum propylene content of

5% and butane and heavier gas content of 2.5% and

minimum propane content of 90%.

Natural gas rating will depend on specific fuel but typical

derates are between 10 to 20% off the LP gas rating.

Power Decrease at High Altitude or High Temperature

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.

Generator Location

The actual physical location of your residential generator has

a direct affect on:

1. The amount of plumbing required to fuel

your generator.

2. The amount of wiring required to control and connect

your generator.

Specific location guidelines are discussed in the installation

manual. Acquaint yourself with that information and confer

with your installer. Be sure to ask how your site might

affect installation costs and compliance with local codes

and standards.

The generator must be installed outdoors. DO NOT install

generator where exhaust gas could accumulate and enter

inside or be drawn into a potentially occupied building.

Ensure exhaust gas is kept away from any windows, doors,

ventilation intakes or other openings that can allow exhaust

gas to collect in a confined area. Prevailing winds and air

currents should be taken into consideration when positioning

generator. See the installation manual for full details on safe

generator location.

WARNING Exhaust heat/gases can ignite

combustibles or structures causing a fire.

DO NOT install the generator closer than 5 feet (1.5m) •

from any combustibles or structures with combustible

walls having a fire resistance rating of less than 1 hour.

WARNING Running engine gives off carbon

monoxide, an odorless, colorless, poison gas.

Breathing carbon monoxide can cause headache,

fatigue, dizziness, vomiting, confusion, seizures,

nausea, fainting or death.

Operate generator ONLY outdoors.•

Install a battery operated carbon monoxide alarm near •

the bedrooms.

Keep exhaust gas from entering a confined area through •

windows, doors, ventilation intakes, or other openings.

WARNING Propane and Natural Gas are extremely

flammable and explosive.

Fire or explosion can cause severe burns

or death.

The generator is equipped with an automatic safety gas •

“fuel shut-off” valve.

DO NOT operate the equipment if the “fuel shut-off” valve •

is missing or inoperative.

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Delivery Inspection

Carefully inspect the residential 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 and

your installer for claim procedures. Missing or damaged

parts are not warranted.

The residential generator is supplied with:

 • Pre-attachedmountingpad

 • Fully-servicedoil/lubricatingsystem

 • Flexiblefuelhook-uphose

 • Installationandstart-upmanual

 • Operator’smanual

 • Engineoperator’smanual

 • Installationchecklist

 • Spareaccessdoorkeys

 • Spare15Afuse

 • Twopinconnectorplug

 • Tenpinconnectorplug

 • Touchuppaint

 • RemoteLEDindicatorkit(LED/plate/screws)

To be supplied by Installer:

 • Startingbattery

 • Connectingwireandconduit

 • Fuelsupplyvalves/plumbing

 • Variousspecialtytools/equipment

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Controls

Residential Generator

Read this Operator’s Manual and Important Safety Instructions before operating your generator.

Compare the illustrations with your generator to familiarize yourself with the locations of various controls and

adjustments. Save this manual for future reference.

Generator is shown with access covers removed for clarity.

Features are similar in location for all generators.

A - Exhaust Port — High-performance muffler lowers engine

noise to comply with most residential codes.

B - Oil Dip Stick — Used to check the engine oil level.

C - Oil Fill Cap — Remove to service the engine with

recommended oil.

D - Air Cleaner — Protects engine by filtering dust and

debris out of intake air.

E - Oil Filter — Filters engine oil to prolong system life.

F - Oil Drain Hose — Provided to facilitate oil changing.

G - Oil Drain Door opening — Provides access for

engine servicing.

H - Oil Fill Door opening — Provides access for

engine servicing.

J - Engine Label — Identifies engine model and type.

K - Fuel Inlet — Fuel supply is connected here.

L - Control Panel Door opening — Provides access to

control panel and battery.

M - Unit ID Label (located on base) — Identifies unit by

serial number.

N - Battery — (installer-supplied) 12 Volt DC sealed battery

provides power to start the engine.

P - Control Panel — Used for various test, operation and

maintenance functions. See System Control Panel.

D E F

HJKLN

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System Control Panel

Compare this control panel illustration with your generator to familiarize yourself with the location of these important controls:

A - SET EXERCISE — Used to set the exercise cycle start

time and day-of-the-week. Exercise cycle only occurs in

AUTO mode.

B - MANUAL OVER-RIDE — With system switch in AUTO

position, push the manual over-ride switch to start the

generator. To turn off the generator, push and hold the

manual over-ride switch again until engine stops.

C - System Switch — This two-position switch is the most

important control on the system and is used as follows:

•“AUTO” position is the normal operating position. If a

utility power outage is sensed, the system will start the

generator. When utility power is restored, AUTO lets

the engine stabilize internal temperatures, shuts off the

generator, and waits for the next utility power outage.

•“OFF” position turns off running generator, prevents

unit from starting and resets any detected faults.

D - 15 Amp Fuse — Protects the residential generator DC

control circuits. If the fuse has ‘blown’ (melted open) or

was removed, the engine cannot crank or start. Replace

the fuse using only an identical ATO 15A fuse.

E - Digital Display — Displays the total number of hours

the generator has been running and fault codes. Used

to schedule maintenance tasks and for troubleshooting

operational problems with the residential generator. A

constant number displayed indicates the total hours of

operation. Fault conditions will flash “FC” followed by a

fault code number. All fault conditions are described in

Fault Detection System.

F - Circuit Breaker — Protects the system from shorts and

other over-current conditions. Must be ON to supply

power to the Automatic Transfer Switch.

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Access Ports

The residential generator is equipped with an enclosure

that has several access doors. The doors are named for a

significant component located behind them, as follows:

A Control Panel door

B Fuel Inlet Port (shown for reference)

C Oil Drain door

D Oil Fill door

E Exhaust Port (shown for reference)

The oil and control panel doors must be installed whenever

the unit is running to assure proper cooling, reduce noise,

and for added safety.

Each residential generator is suppied with a set of identical

keys. These keys fit the locks that secure the access doors.

To open access door:

1. Insert key into lock of access door handle and turn key

one quarter turn counterclockwise.

2. Grasp door’s handle and turn one quarter turn

counterclockwise to open. Remove key.

To close access door:

1. Close door and turn door’s handle one quarter

turn clockwise.

2. Insert key into lock of door handle and turn key one

quarter turn clockwise. Remove key.

Operation

Important Owner’s Considerations

Engine Oil

The engine is shipped from the factory pre-run and filled

with synthetic oil (API SJ/CF 5W-30). This allows for system

operation in a wide range of temperature and climate

conditions. Before starting the engine, check oil level and

ensure that engine is serviced as described in the engine

operator’s manual.

Battery

The installer must supply a valve-regulated, rechargeable

12 volt DC starting battery. See Battery in Final Installation

Considerations in the installation manual. Installer

must connect battery charge wire (wire #13) to positive

battery terminal!

With the battery installed, all wiring to transfer switch and

generator completed, utility power supplied to the automatic

transfer switch, and the unit in AUTO mode, the battery

receives a trickle charge while the engine is not running. The

trickle charge cannot be used to recharge a battery that is

completely discharged.

WARNING Contact with muffler and engine parts can

result in serious burns.

DO NOT touch hot parts and AVOID hot exhaust gases.•

Allow equipment to cool before touching.•

NOTICE Any attempt to crank or start the engine before

it has been properly serviced with the recommended oil

will result in equipment failure.

Refer to • Maintenance in the Operator’s Manual and engine

manual for oil fill information.

Damage to equipment resulting from failure to follow this •

instruction will void engine and generator warranty.

A C D E

WARNING Battery posts, terminals and related

accessories contain lead and lead compounds,

chemicals known to the State of California to

cause cancer and reproductive harm. Wash hands

after handling.

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15 Amp Fuse

The generator’s 15 Amp fuse is critical to correct system

operation. The 15 Amp fuse was removed at the factory to

prevent the unit from starting during shipping. Your installer

will ensure the fuse is properly installed upon completion of

the installation.

Automatic Operation

To select automatic operation, do the following:

1. Confirm 15 Amp fuse is installed in control panel.

2. Set the main distribution panel circuit breaker that

sends utility voltage to the transfer switch to ON.

3. Set the generator’s circuit breaker to its ON position.

4. Set the control panel system switch to AUTO.

Checking Automatic Operation

To check the system for proper automatic operation, proceed

as follows:

1. Turn OFF the service disconnect or main distribution

panel circuit breaker sending power to the automatic

transfer switch.

When utility voltage is lost and the sensor has timed

out, the engine will crank and start. Let the system go

through its entire automatic operation sequence.

2. With the generator output supplying its loads, turn ON

the service disconnect or main distribution panel circuit

breaker that supplies utility power to the automatic

transfer switch.

3. The automatic transfer switch will transfer loads back

to utility power after a 5 minute minimum run time and

utility power is available.

4. The generator will run for an additional one minute for

engine cool down, then shut down.

If utility power is restored and generator does not shut down

after 10 minutes, set system switch to OFF and contact your

installer or local service center.

This completes the test procedures for automatic operation.

The residential generator will now start automatically and

will supply power to the transfer switch when utility power

is lost.

Setting Exercise Timer

The residential generator is equipped with an exercise

timer that will start and exercise the system once every

seven days. During this exercise period, the unit runs for

approximately 20 minutes and then shuts down. Electrical

load transfer DOES NOT occur during the exercise cycle

(unless an utility power outage occurs during the cycle).

A button on the control panel is labeled “SET EXERCISE”

(see System Control Panel). The specific day and the

specific time of day this button is pressed is programmed

into the control board memory. This date and time is then

used to automatically initiate the system exercise cycle. The

“SET EXERCISE” legend on the control panel will flash until

the set exercise cycle is set.

To perform the Set Exercise procedure:

1. Choose the day and time you want your residential

generator to exercise.

2. On that day and time, press and hold down

“SET EXERCISE” for three seconds.

“SET EXERCISE” will flash until the button is pressed

for three seconds, then “SET EXERCISE” will illuminate

for 5 seconds, and finally turn off. The SET EXERCISE

date and time are now ‘locked-in’ (registered in

system memory).

3. Certain models will immediately start and run their

20 minute exercise cycle. Other models will initiate

the 20 minute exercise cycle seven days after the

SET EXERCISE date and time is ‘locked-in’.

For example, if you press SET EXERCISE on Sunday morning

at 10:00 AM, the unit is set to run an exercise cycle every

Sunday at 10:00 AM (+/- 1/2 hour).

“Set Exercise” will only work if the unit is in the AUTO mode

and this exact procedure is followed. The exerciser will need

to be re-set if the 15 Amp fuse is removed or changed, or if

the starting battery is disconnected.

If you want to change the day and time the unit exercises,

simply perform the “Set Exercise” procedure at the exact

weekday and time you want it to take place.

CAUTION With the system switch set to AUTO,

the engine may crank and start at any time

without warning.

To prevent possible injury that may be caused by such •

sudden starts, always set the system switch to OFF if

performing maintenance on the system.

Remove the 15 Amp fuse before working on or around •

the generator or transfer switch.

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Maintenance

Servicing the System

Before performing any generator maintenance, always

perform the following steps:

1. Set generator’s circuit breaker to its OFF position.

2. Set control panel system switch to OFF.

3. Remove 15 Amp fuse from control panel.

4. Utility voltage is present at generator control panel.

Disconnect power before servicing control panel by

removing the fuses from the transfer switch.

5. After all servicing has been completed, replace fuses in

transfer switch, replace 15 Amp fuse in control panel,

set system switch and circuit breaker ON and reset

exercise timer. See Setting Exercise Timer.

Fault Detection System

The generator may have to run for long periods of time

with no operator present. For that reason, the system is

equipped with sensors that automatically shut down the

generator in the event of potentially damaging conditions,

such as low oil pressure, high temperature, over speed, and

other conditions.

The generator’s control panel has a digital display that shows

fault codes, like “FC_1”. The table below lists the detected

fault, the fault code as displayed on the control panel, and

the number of LED flashes (also described as ‘blinks’) seen

on the remote LED indicator.

Fault Description Fault Codes LED Flashes

Low battery voltage FC_1 1

Low oil pressure FC_2 2

Low voltage FC_3 3

Engine does not start FC_4 4

Low frequency FC_5 5

Engine overspeed FC_6 6

High temperature FC_7 7

Transfer switch fault FC_8 8

The remote LED indicator is installed at a convenient inside

location. The LED will remain lit when the generator is in

AUTO. Should a system fault be detected, the LED will turn

on and off in a series of blinks that identify the problem. The

blink pattern is repeated with a brief pause between each

series of blinks.

Reset Fault Detection System

The operator must reset the fault detection system each

time it activates. To do so, place the control panel system

switch in the OFF position for 30 seconds or more. Remedy

the fault condition, then return the residential generator to

service by placing the system switch in the AUTO position,

installing the 15 Amp fuse, and resetting the exercise timer.

See Setting Exercise Timer in Operation.

A description of each fault and suggested remedies are

as follows:

No LED - Discharged Battery

If there is a detected fault condition but the LED is

not blinking, this is because the battery is completely

discharged. To remedy the problem, remove the 15 Amp

fuse and disconnect the battery from the generator. Take

the battery to a local battery store for analysis. Reinstall

battery after it has been fully recharged, connecting the

NEGATIVE cable last. Then reset the fault detection system,

as described earlier.

Low Battery Voltage (FC_1)

This fault is indicated by fault code FC_1 and one blink on

the LED indicator. This condition occurs if the generator

cannot start because the starting battery output power is

below that needed to crank the engine. Causes for this

problem may be a faulty battery or battery charge circuit.

To remedy the problem, contact your local service center to

check the battery charge output. Remove the 15 Amp fuse

and disconnect the battery from the generator. Take the

battery to a local battery store for analysis.

Reinstall the battery (replace if necessary - see Battery in

Final Installation Considerations in the installation manual).

Then reset the fault detection system, as described earlier.

Low Oil Pressure (FC_2)

This fault is indicated by fault code FC_2 and two blinks on

the remote LED indicator. The unit is equipped with an oil

pressure switch that uses normally closed contacts held

open by engine oil pressure during operation. Should oil

pressure drop below the 8 psi range, switch contacts close

and the engine is shut down.

To remedy the low oil pressure condition, add the

recommended oil to the FULL mark on the dipstick.

If the low oil pressure condition still exists, the engine will

start, then shut down again. The fault code will appear and

the LED will flash. In this case, contact an authorized dealer.

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Low Voltage (Generator, FC_3)

This fault is indicated by fault code FC_3 and three blinks on

the LED indicator. This condition is caused by a restriction in

the fuel flow, a broken or disconnected signal lead, a failed

alternator winding, the control panel circuit breaker is open,

or the generator is overloaded.

To remedy the problem, contact your installer or an

authorized dealer.

Engine Does Not Start (FC_4)

This fault is indicated by fault code FC_4 and four blinks

on the LED indicator. This feature prevents the generator

from damaging itself if it continually attempts to start in

spite of another problem, such as no fuel supply. Each

time the system is directed to start, the unit will crank for

10 seconds, pause for 10 seconds, and repeat. If the system

does not begin producing electricity after approximately

2 minutes, the unit will stop cranking and the LED will blink.

Check to make sure the generator’s circuit breaker is in the

ON position in order for the sensing leads to verify that the

unit is running.

The most likely cause of this problem is no fuel supply.

Check the internal and external fuel shut off valves to

ensure they are fully open. Other causes could be failed

spark plug(s), failed engine ignition, or the engine air filter

is clogged. You may need to contact your installer for

assistance if you can’t remedy these problems.

Low Frequency (FC_5)

This fault is indicated by fault code FC_5 and five blinks on

the LED indicator. This feature protects devices connected

to the transfer switch by shutting the generator down if the

engine runs slower than 55 Hz for three seconds.

This condition is caused by a failed engine component or by

excessive loads on the generator. To remedy the problem,

contact your installer or an authorized dealer.

Engine Overspeed (FC_6)

This fault is indicated by fault code FC_6 and six blinks on

the LED indicator. This feature protects devices connected

to the transfer switch by shutting the generator down if

the engine happens to run faster than the preset limit. The

overspeed fault is detected as follows:

 • Ifthegeneratoroutputfrequencyis65-70Hz,after

three seconds, the generator will shut down.

 • Ifthegeneratoroutputfrequencyisgreaterthan70Hz,

the generator will shut down immediately.

This condition is caused by a failed engine component.

To remedy the problem, contact your installer or an

authorized dealer.

High Temperature (FC_7)

This fault is indicated by fault code FC_7 and seven blinks

on the LED indicator. The contacts of the temperature

switch are normally open. If the engine temperature exceeds

approximately 149°C (300°F), the fault is detected and the

engine shuts down.

Common causes for this condition include running the

unit with access doors removed, obstructed air inlet or

exhaust port, low oil level, or debris in the engine cylinder

cooling fins.

To resolve the problem, let the engine cool down and remove

any accumulated debris and obstructions. Ensure that all

access doors are installed whenever the unit is running.

Transfer Switch Fault (FC_8)

This fault is indicated by fault code FC_8 and eight blinks

on the LED indicator (if transfer switch is equipped with

fault detection).

The most likely cause of this fault is a blown fuse in the

transfer switch. To remedy the problem, contact your

installer or an authorized dealer.

Generator Maintenance

The generator warranty does not cover items that have been

subjected to operator abuse or neglect. To receive full value

from the warranty, the operator must maintain the system as

instructed in the engine operator’s manual.

All adjustments should be made at least once each season.

Follow the requirements in the engine operator’s manual.

Generator maintenance consists of keeping the unit

clean. Operate the unit in an environment where it will

not be exposed to excessive dust, dirt, moisture or any

corrosive vapors. Cooling air louvers on the enclosure

must not become clogged with snow, leaves, or any other

foreign material. To prevent generator damage caused by

overheating, keep the enclosure cooling inlets and outlets

clean and unobstructed at all times.

Check the cleanliness of the unit frequently and clean when

dust, dirt, oil, moisture or other foreign substances are

visible on its exterior/interior surface. Inspect the air inlet

and outlet openings inside and outside the enclosure to

ensure air flow is not blocked.

DO NOT use direct spray from a garden hose to clean

generator. Water can enter the engine and generator and

cause problems.

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Engine Oil

The engine is filled with synthetic oil (API SJ/CF 5W-30).

This allows for system operation in the widest range of

temperature and climate conditions.

The use of synthetic oil does not alter the required oil change

intervals described in the engine operator’s manual.

Changing Engine Oil

KEEP OUT OF REACH OF CHILDREN. DON’T

POLLUTE. CONSERVE RESOURCES. RETURN USED

OIL TO COLLECTION CENTERS.

1. Set control board system switch to OFF.

2. Remove 15 Amp fuse from control panel.

3. Place oil drain hose into an approved container.

4. Remove brass fitting from end of drain hose.

Shown here is the oil drain hose (B) and the oil filter location

(A) for the 12 kW generator:

Shown here is the oil drain hose (B) and the oil filter location

(A) for the 15 kW, 18 kW & 20kW generators:

Change oil while the engine is still warm from running, as

described in the engine operator’s manual.

5. When oil has drained, replace brass fitting on hose.

6. Add oil. See next section.

To fill your engine with oil:

Follow the synthetic oil grade recommendation and oil fill

instructions given in the engine operator’s manual.

If all engine servicing is complete, replace 15 Amp fuse in

control panel and reset exercise timer. See Setting Exercise

Timer in Operation.

Battery

Servicing of batteries is to be performed or supervised

by personnel knowledgeable of batteries and the

required precautions. Keep unauthorized personnel away

from batteries.

Servicing the Battery

If it is necessary to service the battery, proceed as follows:

1. Set control board system switch to OFF.

2. Remove 15 Amp fuse from control panel.

3. Service or replace battery as required. See Battery

in Final Installation Considerations in the installation

manual for specific battery needed.

4. Connect red battery cable to battery positive terminal

(indicated by POSITIVE, POS, or (+)).

5. Connect the battery charge wire (wire #13) shown

as (C) to the battery positive terminal (indicated by

POSITIVE, POS, or (+):

CAUTION Avoid prolonged or repeated skin contact

with used motor oil.

Used motor oil has been shown to cause skin cancer in •

certain laboratory animals.

Thoroughly wash exposed areas with soap and water.•

WARNING Battery posts, terminals and related

accessories contain lead and lead compounds,

chemicals known to the State of California to

cause cancer and reproductive harm. Wash hands

after handling.

NOTICE Any attempt to crank or start the engine before

it has been properly serviced with the recommended oil

will result in equipment failure.

Refer to • Maintenance in the Operator’s Manual and engine

manual for oil fill information.

Damage to equipment resulting from failure to follow this •

instruction will void engine and generator warranty.

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6. Connect black negative battery cable to negative battery

terminal (indicated by NEGATIVE, NEG, or (-).

7. Ensure hardware on both positive and negative battery

terminals is secure.

8. Reinstall 15 Amp fuse in control panel.

9. Set generator’s system switch to AUTO.

10. Reset exercise timer. See Setting Exercise Timer.

DON’T POLLUTE. CONSERVE RESOURCES,

RETURN USED BATTERY TO RECYCLING

COLLECTION CENTER.

Charging the Battery

If it is necessary to charge the battery, proceed as follows:

1. Set control board system switch to OFF.

2. Remove 15 Amp fuse from control panel.

3. Disconnect negative battery cable from negative battery

terminal (indicated by NEGATIVE, NEG, or (-).

4. Charge battery with battery charger at 2 Amps until

battery holds 12 Volts. DO NOT exceed 13.7 volts

when charging.

5. Connect negative battery cable to negative battery

terminal (indicated by NEGATIVE, NEG, or (-)).

6. Ensure hardware on both positive and negative battery

terminals is secure.

7. Reinstall 15 Amp fuse in control panel.

8. Set generator’s system switch to AUTO.

9. Reset exercise timer. See Setting Exercise Timer.

Cleaning the Generator

1. Set control board system switch to OFF.

2. Remove 15 Amp fuse from control panel.

3. Clean generator as desired.

 • Useadampclothtowipeexteriorsurfacesclean.

 • Useasoft,bristlebrushtoloosencakedondirt,etc.

 • Useavacuumcleanertopickuploosedirtanddebris.

 • Uselowpressureair(nottoexceed25psi)toblow

away dirt. Inspect cooling air slots and openings on

the generator. These openings must be kept clean and

unobstructed.

4. Reinstall 15 Amp fuse in control panel.

5. Set generator’s system switch to AUTO.

6. Reset exercise timer. See Setting Exercise Timer.

NOTICE Failure to disconnect negative battery cable will

result in equipment failure.

DO NOT attempt to jump start the generator.•

Damage to equipment resulting from failure to follow this •

instruction will void engine and generator warranty.

WARNING Storage batteries give off explosive

hydrogen gas during recharging.

Slightest spark will ignite hydrogen

and cause explosion.

Battery electrolyte fluid contains

acid and is extremely caustic.

Contact with battery contents will 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.•

NOTICE Improper treatment of generator can damage it

and shorten its life.

DO NOT expose generator to excessive moisture, dust, •

dirt, or corrosive vapors.

DO NOT insert any objects through cooling slots.•

CAUTION With the system switch set to AUTO,

the engine may crank and start at any time

without warning.

To prevent possible injury that may be caused by such •

sudden starts, always set the system switch to OFF if

performing maintenance on the system.

Remove the 15 Amp fuse before working on or around •

the generator or transfer switch.

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Problem Cause Correction

En gine is running, but no AC output

is available.

1. Circuit breaker open or defective.

2. Fault in generator.

3. Poor wiring connections or

defective transfer switch.

1. Reset or replace circuit breaker.

2. Contact local service facility.

3. Check and repair.

En gine runs good at no-load but “bogs

down” when loads are connected.

1. Short circuit in a connected load.

2. Generator is overloaded.

3. Shorted generator circuit.

4. Fuel Pressure is incorrect.

5. Natural gas fuel mixture is incorrect.

6. Kinked fuel line between regulator

and engine.

1. Disconnect shorted electrical load.

2. Turn off one or more loads.

3. Contact local service facility.

4. See Gaseous Fuel System in the

Installation Manual.

5. See Gaseous Fuel System in the

Installation Manual.

6. Remove kink in fuel line. Replace

if necessary.

En gine will not start; or starts and

runs rough.

1. 15 Amp fuse missing or blown.

2. Fuel supply turned off or depleted.

3. Failed battery.

1. Install (new) 15 Amp fuse. See

System Control Panel.

2. Open fuel valve(s); check

propane tank.

3. Replace battery.

Engine shuts down during operation.

1. Fuel supply turned off or depleted.

2. Fault indicator blinking.

1. Check fuel valves, fill propane tank.

2. Count blinks and refer to Fault

Detection System.

Loss of power on circuits.

1. Generator circuit breaker is open.

2. Transfer switch problems.

1. Reset circuit breaker.

2. See the transfer switch manual.

Troubleshooting

When Calling for Assistance

You must have the following information at hand if it is

necessary to contact a local service center regarding service

or repair of this unit:

1. Obtain the unit Model Number and Serial Number from

the unit ID label. See Controls for location of the label

or refer to the information recorded on the inside front

cover of the installation manual.

2. Obtain the engine identification numbers from the

engine label. See the engine operator’s manual for

location of this information. Please note that several

different engines are described in the engine manual,

so your engine may vary from that shown.

Storage

The Rheem / Ruud residential generator system is designed

for continuous backup operational duty. There is no need

to take any storage precautions. However, if it becomes

necessary to take the system out of service for an extended

period, call Technical Services at 877-369-9400, between

8:00 AM and 5:00 PM CT for specific recommendations.

Not for

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Warranty

PROTECH™ Residential Standby Generators

Models: GEN10AD GEN12AD GEN15AD GEN18AN GEN20AL

SCOPE of WARRANTY:

· This Limited Warranty provides that a replacement will be furnished for any part of the product which fails in normal use and service during the

Warranty Period specified, in accordance with the warranty’s terms. The replacement part is warranted for only the unexpired portion of the original

Warranty Period.

EXCEPTIONS:

· Commercial applications are not covered.

· Units installed as prime power source are not covered.

· Installations for the purpose of life support situations are not covered.

EFFECTIVE DATE of WARRANTY COVERAGE:

The Effective Date is the date of installation if properly documented; otherwise it is the date of manufacture plus six (6) months.

APPLICABLE WARRANTY PERIODS

· The GEN10AD Residential Standby Generators are warranted for Period of Three (3) YEARS or 1250 operating hours, whichever occurs first.

· The GEN12AD, GEN15AD, GEN18AN, GEN20AL Residential Standby Generators are warranted for a Period of Four (4) YEARS or 1500 operating hours,

whichever occurs first.

· Transfer Switch and Engine warranties are provided by the manufacturer. Refer to the respective manual.

STANDARD PROVISIONS and CONDITIONS:

EXCLUSIONS - THIS WARRANTY WILL NOT APPLY: a) to damages, malfunctions or failures resulting from failure to properly install, operate or maintain the

unit in accordance with the manufacturer’s instructions provided; b) to damages, malfunctions or failures resulting from abuse, accident, fire, flood

and the like; c) to parts used in connection with normal maintenance, such as adjustments, fuel system cleaning and obstruction due to chemical, dirt,

carbon, lime and so forth; d) to units which are not installed in the United States of America or Canada; e) to units which are not installed in accordance

with applicable local codes, ordinances and good trade practices; f) to damages, malfunctions or failures caused by the use of any attachment,

accessory or component not authorized by the manufacturer; g) to wear items such as oil gauges, o-rings, filters fuses, or spark plugs etc.

SHIPPING COSTS: This Warranty does NOT cover shipping costs. You will be responsible for the cost of shipping warranty replacement parts from our factory

to our distributor and from the distributor to the location of your product. You also are responsible for any shipping cost of returning the failed part to

the distributor.

SERVICE LABOR RESPONSIBILITY: This Warranty does NOT cover any labor expenses for service, NOR for removing or reinstalling parts. All such expenses

are your responsibility, unless a service labor agreement exists between you and your contractor.

HOW TO OBTAIN WARRANTY PERFORMANCE: You must promptly report any failure covered by this warranty to the installing contractor or distributor.

Normally, the installing contractor from whom the unit was purchased will be able to take the necessary corrective action by obtaining through his

distributor any replacement parts. If the contractor is not available, simply contact any other local contractor handling RHEEM, RUUD or PROTECH air

conditioning products. The name and location of a local contractor can usually be found in your telephone directory or by contacting a RHEEM, RUUD

or PROTECH air conditioning distributor. If necessary, the following office can advise you of the nearest distributor:

4744 Island Ford Road, Randleman, NC 27317

HOWEVER, ANY REPLACEMENTS ARE MADE SUBJECT TO VALIDATION OF IN-WARRANTY COVERAGE. An item to be replaced must be made available

in exchange for the replacement.

Limited Warranty:

There is no other expressed warranty. Implied warranties, including those of merchantability and fitness for a particular purpose, are limited

to one year from purchase, or to the extent permitted by law and all implied warranties are excluded. Liability for incidental or consequential

damages are excluded to the extent exclusion is permitted by law. Some state or countries do not allow limitations on how long an implied warranty

lasts, and some states or countries do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation and

exclusion may not apply to you. This warranty gives you specific legal rights and you may also have other rights which vary from state to state and

country to country. 202249E, Rev. D, 10/16/2009

RHEEM SALES COMPANY

Randleman NC

“In the spirit of continuous improvement, we reserve the right to make changes without notice.”

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Residential Generator Systems

This generator is rated in accordance with UL (Underwriters Laboratories) 2200 (stationary engine generator assemblies) and CSA (Canadian Standards

Association) standard C22.2 No. 100-04 (motors and generators).

Product Specifications

GEN12AD

Rated Maximum Load Current* (at 25°C/77°F, LP)*:

at 240 Volts ..........................................................50 Amps

Rated AC Voltage .............................................120/240 Volts

Phase ................................................................. Single phase

Rated Frequency .......................................................60 Hertz

Normal Operating Range ... -20°F (-28.8°C) to 104°F (40°C)

Output Sound Level ..65 dB(A) at 23 ft. (7 m) at normal load

Shipping Weight ............................................530 lb (239 kg)

GEN15AD

Rated Maximum Load Current* (at 25°C/77°F, LP)*:

at 240 Volts .......................................................62.5 Amps

Rated AC Voltage .............................................120/240 Volts

Phase ................................................................. Single phase

Rated Frequency .......................................................60 Hertz

Normal Operating Range ... -20°F (-28.8°C) to 104°F (40°C)

Output Sound Level ..65 dB(A) at 23 ft. (7 m) at normal load

Shipping Weight ............................................600 lb (272 kg)

GEN20AD

Rated Maximum Load Current* (at 25°C/77°F, LP)*:

at 240 Volts .......................................................83.3 Amps

Rated AC Voltage .............................................120/240 Volts

Phase ................................................................. Single phase

Rated Frequency .......................................................60 Hertz

Normal Operating Range ... -20°F (-28.8°C) to 104°F (40°C)

Output Sound Level ..68 dB(A) at 23 ft. (7 m) at normal load

Shipping Weight ............................................575 lb (260 kg)

* Natural gas rating will depend on specific fuel but typical derates are

between 10 to 20% off the LP gas rating.

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La page charge ...

Simplicity OPERATOR'S MANUAL RHEEM 12'15'18'20KW STANDBY MODELS- 040254A 040255A 040267A 040268A Manuel utilisateur

Marque: Simplicity

Modèle: OPERATOR'S MANUAL RHEEM 12'15'18'20KW STANDBY MODELS- 040254A 040255A 040267A 040268A

Catégorie: Groupes électrogènes

Taper: Manuel utilisateur

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