Lennox RGEN30 Generator Installation Manual
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E 2008 Lennox Industries Inc.
Dallas, Texas 75379-9900
This manual provides installation instructions for
Model RGEN30 residential generator sets. Operation manuals are available separately.
The generator set is approved for use in stationary standby applications in locations served by a reliable utility power source.
Have a Lennox dealer who is approved to sell and install
Lennox generator sets (hereinafter referred to as a
Lennox dealer) install the generator set outdoors according to the instructions in this manual.
The generator set installation must comply with the National
Electrical Code (NEC) and local code requirements. Do not install this generator set indoors. If the generator set is installed in Canada, the installation must comply with the Canadian Electrical Code (CEC) and all applicable local codes.
Information in this publication represents data available at the time of print. The manufacturer reserves the right to change this publication and the products represented without notice and without any obligation or liability whatsoever.
Read this manual and carefully follow all procedures and safety precautions to ensure proper equipment operation and to avoid bodily injury. Read and follow the
Safety Precautions and Instructions section. Keep this manual with the equipment for future reference.
Shipping and Packing List
1 -- Generator Set
Check equipment for shipping damage. If you find any damage, immediately contact the last carrier.
INSTALLATION
INSTRUCTIONS
RGEN30
RESIDENTIAL GENERATOR SET
XP-6341 6/10b
Table of Contents
Safety Precautions and Instructions . . . . . . . . . . . . .
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Section 1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.1
1.2
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Enclosed Generator Sets . . . . . . . . . . . . . . . . . .
1.3
1.4
Unit-Mounted Radiator Cooling
Block Heater
. . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.5
Fuel Supply
1.5.1
Fuel Lines
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.5.2
Gas Regulators . . . . . . . . . . . . . . . . . . . . . . . . . .
1.6
1.7
Oil Makeup Kit . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical System . . . . . . . . . . . . . . . . . . . . . . . . .
1.7.1
Line Circuit Breakers
1.7.2
Electrical Connections
. . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . .
1.7.3
Load Lead Connections . . . . . . . . . . . . . . . . . . .
1.7.4
Ground and Neutral Connections . . . . . . . . . . .
1.7.5
Terminal Connector Torque
1.7.6
Battery Chargers
. . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
1.7.7
Alternator Factory Connection . . . . . . . . . . . . . .
1.7.8
Automatic Transfer Switches
Section 2 Installation Instructions
. . . . . . . . . . . . . . .
. . . . . . . . . . . . . . .
2.1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.1.1
Location Factors . . . . . . . . . . . . . . . . . . . . . . . . .
2.1.2
Mounting Surface
2.1.3
Vibration Isolation
. . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . .
2.1.4
Lifting Generator Set . . . . . . . . . . . . . . . . . . . . . .
2.2
Installation Procedure
2.2.1
Prepare Site
. . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.2.2
Mount and Ground Generator Set
2.2.3
Connect AC and DC Wiring
. . . . . . . . . .
. . . . . . . . . . . . . . . .
2.2.4
Install Engine Starting Battery . . . . . . . . . . . . . .
2.2.5
Install and Connect Fuel Supply . . . . . . . . . . . .
2.2.6
Generator Set Fuel Systems . . . . . . . . . . . . . . .
2.2.7
Fuel Conversion Procedures, Early Models . .
2.2.8
Fuel Conversion Procedures, Later Models
2.2.9
Add Coolant
. .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.2.10 Check and Adjust Fuel System . . . . . . . . . . . . .
2.2.11 Operation Tests
Section 3 Controller
. . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.1
3.2
Controller Automatic Power Down
Code Version
. . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.3
3.4
Controller Configuration
Voltage Adjustments
. . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . .
Section 4 Diagrams and Dimension Drawings . . . .
15
16
16
17
14
14
14
14
15
12
13
13
13
9
10
10
12
12
9
9
9
9
8
8
8
8
8
3
8
8
7
8
24
25
25
25
18
19
21
22
22
25
29
32
RETAIN THESE INSTRUCTIONS
FOR FUTURE REFERENCE
506090-01
California Proposition 65
WARNING
Engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Product Identification Information
Product identification numbers determine service parts.
Record the product identification numbers in the spaces below immediately after unpacking the products so that the numbers are readily available for future reference.
Record field-installed kit numbers after installing the kits.
Generator Set Identification Numbers
Record the product identification numbers from the generator set nameplate(s).
Model Designation
Specification Number
Serial Number
Accessory Number Accessory Description
Controller Identification
Record the controller description from the generator set operation manual, spec sheet, or sales invoice.
Controller Description
Engine Identification
Record the product identification information from the engine nameplate.
Manufacturer
Model Designation
Serial Number
2 XP-6341 6/10
Safety Precautions and Instructions
IMPORTANT SAFETY INSTRUCTIONS.
Electromechanical equipment, including generator sets, transfer switches, switchgear, and accessories, can cause bodily harm and pose life-threatening danger when improperly installed, operated, or maintained. To prevent accidents be aware of potential dangers and act safely.
Read and follow all safety precautions and instructions.
SAVE
THESE INSTRUCTIONS.
This manual has several types of safety precautions and instructions: Danger,
Warning, Caution, and Notice.
DANGER
Danger indicates the presence of a hazard that will cause severe personal injury, death substantial property damage .
, or
WARNING
Warning indicates the presence of a hazard that can cause severe personal injury, death, substantial property damage .
or
CAUTION
Caution indicates the presence of a hazard that will or can cause minor personal injury or property damage .
NOTICE
Notice communicates installation, operation, or maintenance information that is safety related but not hazard related.
Safety decals affixed to the equipment in prominent places alert the operator or service technician to potential hazards and explain how to act safely.
The decals are shown throughout this publication to improve operator recognition.
Replace missing or damaged decals.
Accidental Starting
WARNING
Accidental starting.
Can cause severe injury or death.
Disconnect the battery cables before working on the generator set.
Remove the negative (--) lead first when disconnecting the battery.
Reconnect the negative (--) lead last when reconnecting the battery.
Disabling the generator set.
Accidental starting can cause severe injury or death.
Before working on the generator set or connected equipment, disable the generator set as follows: (1) Move the generator set master switch to the OFF position. (2) Disconnect the power to the battery charger. (3) Remove the battery cables, negative (--) lead first.
Reconnect the negative (--) lead last when reconnecting the battery. Follow these precautions to prevent starting of the generator set by an automatic transfer switch, remote start/stop switch, or engine start command from a remote computer.
Battery
WARNING
Sulfuric acid in batteries.
Can cause severe injury or death.
Wear protective goggles and clothing.
Battery acid may cause blindness and burn skin.
WARNING
Explosion.
Can cause severe injury or death.
Relays in the battery charger cause arcs or sparks.
Locate the battery in a well-ventilated area. Isolate the battery charger from explosive fumes.
Battery gases. Explosion can cause severe injury or death.
Battery gases can cause an explosion. Do not smoke or permit flames or sparks to occur near a battery at any time, particularly when it is charging.
Do not dispose of a battery in a fire. To prevent burns and sparks that could cause an explosion, avoid touching the battery terminals with tools or other metal objects.
Remove all jewelry before servicing the equipment. Discharge static electricity from your body before touching batteries by first touching a grounded metal surface away from the battery. To avoid sparks, do not disturb the battery charger connections while the battery is charging. Always turn the battery charger off before disconnecting the battery connections.
Ventilate the compartments containing batteries to prevent accumulation of explosive gases.
Battery electrolyte is a diluted sulfuric acid. Battery acid can cause severe injury or death.
Battery acid can cause blindness and burn skin.
Always wear splashproof safety goggles, rubber gloves, and boots when servicing the battery.
Do not open a sealed battery or mutilate the battery case. If battery acid splashes in the eyes or on the skin, immediately flush the affected area for 15 minutes with large quantities of clean water.
Seek immediate medical aid in the case of eye contact. Never add acid to a battery after placing the battery in service, as this may result in hazardous spattering of battery acid.
XP-6341 6/10 Safety Precautions and Instructions 3
Battery short circuits.
Explosion can cause severe injury or death.
Short circuits can cause bodily injury and/or equipment damage.
Disconnect the battery before generator set installation or maintenance.
Remove all jewelry before servicing the equipment. Use tools with insulated handles. Remove the negative (--) lead first when disconnecting the battery. Reconnect the negative (--) lead last when reconnecting the battery.
Never connect the negative (--) battery cable to the positive (+) connection terminal of the starter solenoid. Do not test the battery condition by shorting the terminals together.
Battery acid cleanup. Battery acid can cause severe injury or death.
Battery acid is electrically conductive and corrosive. Add 500 g (1 lb.) of bicarbonate of soda (baking soda) to a container with 4 L (1 gal.) of water and mix the neutralizing solution. Pour the neutralizing solution on the spilled battery acid and continue to add the neutralizing solution to the spilled battery acid until all evidence of a chemical reaction (foaming) has ceased. Flush the resulting liquid with water and dry the area.
Engine Backfire/Flash
Fire
Fire.
WARNING
Can cause severe injury or death.
Do not smoke or permit flames or sparks near fuels or the fuel system.
Servicing the fuel system. A flash fire can cause severe injury or death.
Do not smoke or permit flames or sparks near the carburetor, fuel line, fuel filter, fuel pump, or other potential sources of spilled fuels or fuel vapors.
Catch fuels in an approved container when removing the fuel line or carburetor.
Servicing the air cleaner. A sudden backfire can cause severe injury or death.
Do not operate the generator set with the air cleaner removed.
Combustible materials. A fire can cause severe injury or death.
Generator set engine fuels and fuel vapors are flammable and explosive.
Handle these materials carefully to minimize the risk of fire or explosion.
Equip the compartment or nearby area with a fully charged fire extinguisher.
Select a fire extinguisher rated ABC or
BC for electrical fires or as recommended by the local fire code or an authorized agency.
Train all personnel on fire extinguisher operation and fire prevention procedures.
Exhaust System
WARNING
Carbon monoxide.
Can cause severe nausea, fainting, or death.
The exhaust system must be leakproof and routinely inspected.
Generator set operation.
Carbon monoxide can cause severe nausea, fainting, or death.
Carbon monoxide is an odorless, colorless, tasteless, nonirritating gas that can cause death if inhaled for even a short time. Avoid breathing exhaust fumes when working on or near the generator set. Never operate the generator set inside a building. Never operate the generator set where exhaust gas could seep inside or be drawn into a potentially occupied building through windows, air intake vents, or other openings.
Carbon monoxide detectors.
Carbon monoxide can cause severe nausea, fainting, or death.
Install carbon monoxide detectors on each level of any building adjacent to the generator set. Locate the detectors to adequately warn the building’s occupants of the presence of carbon monoxide.
Keep the detectors operational at all times. Periodically test and replace the carbon monoxide detectors according manufacturer’s instructions.
to the
Carbon monoxide symptoms.
Carbon monoxide can cause severe nausea, fainting, or death.
Carbon monoxide is a poisonous gas present in exhaust gases. Carbon monoxide is an odorless, colorless, tasteless, nonirritating gas that can cause death if inhaled for even a short time. Carbon monoxide poisoning symptoms include but are not limited to the following:
D Light-headedness, dizziness
D Physical fatigue, weakness in joints and muscles
D Sleepiness, mental fatigue, inability to concentrate or speak clearly, blurred vision
D Stomachache, vomiting, nausea
If experiencing any of these symptoms and carbon monoxide poisoning is possible, seek fresh air immediately and remain active. Do not sit, lie down, or fall asleep.
Alert others to the possibility of carbon monoxide poisoning. Seek medical attention if the condition of affected persons does not improve within minutes of breathing fresh air.
Fuel System
WARNING
Explosive fuel vapors.
Can cause severe injury or death.
Use extreme care when handling, storing, and using fuels.
The fuel system.
Explosive fuel vapors can cause severe injury or death.
Vaporized fuels are highly explosive.
Use extreme care when handling and storing fuels. Store fuels in a well-ventilated area away from spark-producing equipment and out of the reach of children. Never add fuel to the tank while the engine is running because spilled fuel may ignite on contact with hot parts or from sparks.
Do not smoke or permit flames or sparks to occur near sources of spilled fuel or fuel vapors. Keep the fuel lines and connections tight and in good condition. Do not replace flexible fuel
4 Safety Precautions and Instructions XP-6341 6/10
lines with rigid lines.
Use flexible sections to avoid fuel line breakage caused by vibration. Do not operate the generator set in the presence of fuel leaks, fuel accumulation, or sparks.
Repair fuel systems before resuming generator set operation.
Explosive fuel vapors can cause severe injury or death.
Take additional precautions when using the following fuels:
Propane (LP) —Adequate ventilation is mandatory.
Because propane is heavier than air, install propane gas detectors low in a room. Inspect the detectors per the manufacturer’s instructions.
Natural Gas —Adequate ventilation is mandatory. Because natural gas rises, install natural gas detectors high in a room. Inspect the detectors per the manufacturer’s instructions.
Gas fuel leaks.
Explosive fuel vapors can cause severe injury or death.
Fuel leakage can cause an explosion. Check the LP vapor gas or natural gas fuel system for leakage by using a soap and water solution with the fuel system test pressurized to
6--8 ounces per square inch
(10--14 inches water column). Do not use a soap solution containing either ammonia or chlorine because both prevent bubble formation. A successful test depends on the ability of the solution to bubble.
Hazardous Noise
CAUTION
Hazardous Voltage/
Moving Parts
DANGER
Hazardous voltage.
Will cause severe injury or death.
Disconnect all power sources before opening the enclosure.
WARNING
Hazardous voltage.
Moving parts.
Can cause severe injury or death.
Operate the generator set only when all guards and electrical enclosures are in place.
WARNING
Hazardous voltage.
Backfeed to the utility system can cause property damage, severe injury, or death.
If the generator set is used for standby power, install an automatic transfer switch to prevent inadvertent interconnection of standby and normal sources of supply.
CAUTION
Hazardous noise.
Can cause hearing loss.
Never operate the generator set without a muffler or with a faulty exhaust system.
Engine noise. Hazardous noise can cause hearing loss.
Generator sets not equipped with sound enclosures can produce noise levels greater than
105 dBA. Prolonged exposure to noise levels greater than 85 dBA can cause permanent hearing loss. Wear hearing protection when near an operating generator set.
XP-6341 6/10
Welding the generator set.
Can cause severe electrical equipment damage.
Never weld components of the generator set without first disconnecting the battery, controller wiring harness, and engine electronic control module (ECM).
Grounding electrical equipment.
Hazardous voltage can cause severe injury or death.
Electrocution is possible whenever electricity is present. Ensure you comply with all applicable codes and standards.
Electrically ground the generator set, transfer switch, and related equipment and electrical circuits. Turn off the main circuit breakers of all power sources before servicing the equipment. Never contact electrical leads or appliances when standing in water or on wet ground because these conditions increase the risk of electrocution.
Disconnecting the electrical load.
Hazardous voltage can cause severe injury or death.
Disconnect the generator set from the load by turning off the line circuit breaker or by disconnecting the generator set output leads from the transfer switch and heavily taping the ends of the leads.
High voltage transferred to the load during testing may cause personal injury and equipment damage. Do not use the safeguard circuit breaker in place of the line circuit breaker. The safeguard circuit breaker does not disconnect the generator set from the load.
Welding on the generator set. Can cause severe electrical equipment damage.
Before welding on the generator set perform the following steps: (1) Remove the battery cables, negative (--) lead first. (2) Disconnect all engine electronic control module
(ECM) connectors. (3) Disconnect all generator set controller and voltage regulator circuit board connectors.
(4) Disconnect the engine batterycharging alternator connections.
(5) Attach the weld ground connection close to the weld location.
Installing the battery charger.
Hazardous voltage can cause severe injury or death.
An ungrounded battery charger may cause electrical shock. Connect the battery charger enclosure to the ground of a permanent wiring system. As an alternative, install an equipment grounding conductor with circuit conductors and connect it to the equipment grounding terminal or the lead on the battery charger. Install the battery charger as prescribed in the equipment manual. Install the battery charger in compliance with local codes and ordinances.
Safety Precautions and Instructions 5
Connecting the battery and the battery charger. Hazardous voltage can cause severe injury or death.
Reconnect the battery correctly, positive to positive and negative to negative, to avoid electrical shock and damage to the battery charger and battery(ies).
Have a qualified electrician install the battery(ies).
Short circuits.
Hazardous voltage/current can cause severe injury or death.
Short circuits can cause bodily injury and/or equipment damage .
Do not contact electrical connections with tools or jewelry while making adjustments or repairs.
Remove all jewelry before servicing the equipment.
Engine block heater.
Hazardous voltage can cause severe injury or death.
The engine block heater can cause electrical shock. Remove the engine block heater plug from the electrical outlet before working on the block heater electrical connections.
Electrical backfeed to the utility.
Hazardous backfeed voltage can cause severe injury or death.
Install a transfer switch in standby power installations to prevent the connection of standby and other sources of power.
Electrical backfeed into a utility electrical system can cause severe injury or death to utility personnel working on power lines.
Heavy Equipment
WARNING
Hot Parts
WARNING
Hot coolant and steam.
Can cause severe injury or death.
Before removing the pressure cap, stop the generator set and allow it to cool. Then loosen the pressure cap to relieve pressure.
WARNING
Hot engine and exhaust system.
Can cause severe injury or death.
Do not work on the generator set until it cools.
WARNING
Hot engine oil.
Can cause severe injury or death.
Avoid skin contact with hot oil. Do not start or operate the generator set with the engine oil filler cap removed, as hot oil can spray out. Ensure that the lubrication system is not under pressure when servicing. Do not work on the generator set until it cools.
Unbalanced weight.
Improper lifting can cause severe injury or death and equipment damage.
Do not use lifting eyes.
Lift the generator set using lifting bars inserted through the lifting holes on the skid.
Servicing the exhaust system. Hot parts can cause severe injury or death.
Do not touch hot engine parts.
The engine and exhaust system components become extremely hot during operation.
Notice
NOTICE
Canadian installations only .
For standby service connect the output of the generator set to a suitably rated transfer switch in accordance with
Canadian Electrical Code, Part 1.
6 Safety Precautions and Instructions XP-6341 6/10
Introduction
List of Related Literature
Figure 1 identifies related literature available for the generator sets covered in this manual. Only trained and qualified personnel should install or service the generator set.
Literature Type
Installation Manual, RGEN30
Operation Manual (Generator Set)
Part Number
XP-6341
XP-6344
Parts Catalog*
Service Manual (Engine) [
Service Manual (Engine) w
Service Manual (Generator Set)
XP-6319
TP-6362
TP-6724
XP-6198
* One Parts Catalog combines generator and engine information.
[
Generator set serial numbers below 2272938 w
Generator set serial numbers above 2272938
Figure 1 Related Literature
Nameplate
The generator set nameplate contains the generator set model, material number, and other information. See
Figure 2 for the nameplate location.
Warranty Registration
Complete the startup and installation checklists supplied with the startup notification form. Complete and sign the startup notification form and return copies as instructed on the form.
1
ADV-7692
1. Nameplate location on top of junction box
Figure 2 Nameplate Location (enclosure not shown)
XP-6341 6/10 Introduction 7
Section 1 General
1.1 Introduction
Review this section and the Safety Precautions before starting the installation procedure. The generator set specification sheet also contains data that may be required during the installation process.
The generator set and accessories must be installed by a Lennox dealer or authorized representative.
The installation must comply with all applicable national and local codes.
1.2 Enclosed Generator Sets
Install the generator set outdoors. Enclosed generator sets include a factory-supplied sound enclosure. The exhaust systems of enclosed units are complete for outdoor installations. Review Section 1 and then refer to
Section 2 for the outdoor installation of enclosed units.
Note: DO NOT install enclosed units inside a building.
1.3 Unit-Mounted Radiator
Cooling
The generator set is equipped with a unit-mounted radiator common cooling system.
1.3.1
Cooling System Features
The system’s major components include an enginedriven fan and circulating water pump, a radiator, and a thermostat.
The pump circulates water through the engine until it reaches operating temperature. Then the engine thermostat opens, allowing water circulation through the radiator. The thermostat restricts water flow as necessary to prevent overcooling. The fan blows air from the engine side of the radiator across the cooling surface.
1.3.2
Recommended Coolant
Add coolant before starting the generator set or energizing the block heater.
The generator set manufacturer recommends a solution of 50% ethylene glycol and 50% clean, softened water to provide freezing protection to --37 _ C (--34 _ F) and boiling protection to 129 _ C (256 _ F). A 50/50 solution also inhibits corrosion. Consult the engine manufacturer’s instructions for engine coolant specifications. See the
List of Related Materials in the Introduction.
8 Section 1 General
1.4 Block Heater
Use block heaters on all standby applications where the generator set is subject to temperatures below 16 ° C
(60 ° F). Connect the block heater to a power source that is energized when the generator set is not running.
Note: Block heater damage.
The block heater will fail if the energized heater element is not immersed in coolant. Fill the cooling system before turning on the block heater. Run the engine until it is warm and refill the radiator to purge the air from the system before energizing the block heater.
1.5 Fuel Supply
Gas fuel systems operate on either LP (liquefied petroleum) or natural gas. Refer to the the instructions in Section 2.2.5 for more detailed information on fuel requirements.
Note: Design and install gas fuel systems in accordance with NFPA-54, National Fuel Gas
Code, and applicable local codes.
1.5.1
Fuel Lines
Gas lines.
Never use fuel piping to ground electrical equipment. The gas supplier is responsible for installation, repair, and alteration to gas piping.
Use Schedule 40 black-iron pipe for gas piping. Copper tubing may be used if the fuel does not contain hydrogen sulfide or other ingredients that react chemically with copper.
D
D
D
Line size.
Size piping according to the requirements of the equipment.
Refer to the the instructions in
Section 2.2.5. In addition to actual fuel consumption, consider the following pressure loss factors:
Pipe length
Other appliances on the same fuel supply
Number of fittings
Flexible connections.
Rigid mount the piping but protect it from vibration. Use flexible connections spanning a minimum of 152 mm (6 in.) between the stationary piping and the engine fuel inlet connection.
1.5.2
Gas Regulators
Gas regulators reduce high incoming fuel pressures to lower levels acceptable for engines. See the generator
XP-6341 6/10
set specification sheet for fuel supply pressure requirements.
Primary gas regulator.
The primary regulator reduces the high pressure from a tank or transmission line to the lower pressure required by the secondary regulator on the engine.
The fuel supplier provides the primary regulator.
The fuel supplier is also responsible for providing sufficient gas pressure to operate the primary regulator.
Secondary gas regulator.
The secondary regulator is factory-installed on the generator set engine and controls the inlet pressure to the engine.
Integrated electronic secondary pressure regulators.
Models with generator set serial numbers above 2272938 use an electronic pressure regulator.
See Section 2.2.7.
Note: The Integrated Electronic Pressure Regulator
(IEPR) and air/fuel mixer are specially calibrated emission-control devices. Do not adjust the IEPR or the air/fuel mixer.
1.6 Oil Makeup Kit
The oil makeup kit includes an oil level gauge and a
2-quart reservoir to provide additional oil for the engine.
Check the oil level in the gauge and reservoir, and follow the instructions provided with the kit to add oil, if necessary.
Note: The oil reservoir bottle looks similar to the coolant bottle. Be sure to add oil only to the oil reservoir.
1.7 Electrical System
Before installing the generator set, provide for electrical connections through conduit to the transfer switch and other accessories for the generator set. Route DC leads in separate conduit from AC conductors.
Carefully install the selected generator set accessories. Route wiring to the generator set through flexible connections.
Comply with all applicable codes when installing a wiring system.
1.7.2
Electrical Connections
Several electrical connections must be made between the generator set and other components of the system for proper operation. Most field-installed accessory kits include installation instructions. Comply with applicable national and local codes when installing a wiring system.
Size the wire according to the length of run and 115% of the circuit current (amperage) as directed by the
National Electrical Code r
(NEC) in ANSI/NFPA 70.
For Canadian installations, refer to the Canadian
Electrical Code (CEC).
1.7.3
Load Lead Connections
Feed load leads to the generator set junction box through the nonservice side of the box. See Figure 1-1.
Route DC leads in separate conduit from AC conductors.
Nonservice Side
1.7.1
Line Circuit Breakers
AC circuit protection.
All AC circuits must include circuit breaker or fuse protection. If the generator set is not equipped with a factory-installed circuit breaker, select a circuit breaker for up to 125% of the rated generator set output current. The circuit breaker must open all ungrounded connectors. The circuit breaker or fuse must be mounted within 7.6 m (25 ft.) of the alternator output terminals.
The National Electrical Code r is a registered trademark of the National Fire Protection Association, Inc.
XP-6341 6/10
2
2. Bring leads in through back of junction box.
Figure 1-1 Load Lead Access (enclosure not shown)
GM65412
Section 1 General 9
1.7.4
Ground and Neutral Connections
Ground the generator set. The grounding method must comply with NEC and local codes.
Connect the grounding strap to the generator set ground lug. See
Figure 1-2 for the ground lug location inside the junction box.
1
GM69195
1. Ground (GRD) connection
Figure 1-2 Generator Set Equipment Ground
Connection
Various regulations and site configurations including the
National Electrical Code (NEC), local codes, and the type of transfer switch used in the application determine the grounding of the neutral at the generator. NEC 2002
Section 250.20 is one example that has a very good explanation of the neutral grounding requirements for generators.
Generator sets are shipped with the generator neutral attached to the generator in the junction box.
At installation, the neutral can be grounded at the generator set or lifted from the ground stud and isolated if the installation requires an ungrounded neutral connection at the generator.
The generator set will operate properly with the neutral either bonded to ground or isolated from ground at the generator.
1.7.5
Terminal Connector Torque
Use the torque values shown in Figure 1-3 or Figure 1-4 for terminal connectors. Refer to UL-486A, UL-486B, and UL-486E for information on terminal connectors for aluminum and/or copper conductors.
Comply with applicable national and local codes when installing a wiring system.
Note: If a connector has a clamp screw such as a slotted, hexagonal head screw with more than one means of tightening, test the connector using both applicable torque values provided in
Figure 1-4.
Socket Size Across
Flats, mm (in.)
3.2
(1/8)
4.0
(5/32)
4.8
(3/16)
5.6
(7/32)
6.4
(1/4)
7.9
(5/16)
9.5
(3/8)
12.7
(1/2)
14.3
(9/16)
Tightening Torque,
Nm (in. lb.)
5.1
(45)
11.4
(100)
13.8
(120)
17.0
(150)
22.6
(200)
31.1
(275)
42.4
(375)
56.5
(500)
67.8
(600)
Note: For values of slot width or length not corresponding to those specified, select the largest torque value associated with the conductor size. Slot width is the nominal design value. Slot length is to be measured at the bottom of the slot.
Figure 1-3 Tightening Torque for Pressure Wire
Connectors with Internal-Drive
Socket-Head Screws
10 Section 1 General XP-6341 6/10
Tightening Torque, Nm (in. lb.)
Wire Size for Unit
Connection
AWG, kcmil (mm
2
)
18--10
8
6--4
(0.82--5.3)
(8.4)
(13.3--21.2)
3
2
(26.7)
(33.6)
1 (42.4)
1/0--2/0 (53.5--67.4)
3/0--4/0 (85.0--107.2)
250--350 (127--177)
400
500
(203)
(253)
600--750 (304--380)
800--1000 (406--508)
1250--2000 (635--1016)
Slot Head 4.7 mm (No. 10) or Larger*
Slot Width <1.2 mm (0.047 in.)
Slot Length <6.4 mm (0.25 in.)
Slot Width >1.2 mm (0.047 in.)
Slot Length >6.4 mm (0.25 in.)
—
—
—
—
—
—
—
2.3 (20)
2.8 (25)
4.0 (35)
4.0 (35)
4.5 (40)
—
—
4.0 (35)
4.5 (40)
5.1 (45)
5.6 (50)
5.6 (50)
5.6 (50)
5.6 (50)
5.6 (50)
5.6 (50)
5.6 (50)
5.6 (50)
5.6 (50)
5.6 (50)
—
Hexagonal Head—External
Drive Socket Wrench
Split-Bolt
Connectors
Other
Connections
9.0
(80) 8.5
(75)
9.0
(80) 8.5
(75)
18.6
(165) 12.4 (110)
31.1
(275) 16.9 (150)
31.1
(275) 16.9 (150)
31.1
(275) 16.9 (150)
43.5
(385) 20.3 (180)
56.5
(500) 28.2 (250)
73.4
(650) 36.7 (325)
93.2
(825) 36.7 (325)
93.2
(825) 42.4 (375)
113.0 (1000) 42.4 (375)
124.3 (1100) 56.5 (500)
124.3 (1100) 67.8 (600)
* For values of slot width or length not corresponding to those specified, select the largest torque value associated with the conductor size.
Slot width is the nominal design value. Slot length is to be measured at the bottom of the slot.
Note: If a connector has a clamp screw such as a slotted, hexagonal head screw with more than one means of tightening, test the connector using both applicable torque values.
Figure 1-4 Tightening Torque for Screw-Type Pressure Wire Connectors
XP-6341 6/10 Section 1 General 11
1.7.6
Battery Chargers
An engine-driven, battery-charging alternator charges the battery whenever the generator set operates.
Engine-driven systems can quickly restore the charge used in a normal cranking cycle.
When the engine is not operating, a very low charge rate from an AC-powered battery charger is usually sufficient to maintain a full charge on the batteries.
1.7.7
Alternator Factory Connection
Figure 1-5 shows the factory connection for the single-phase 120/240 V 60 Hz generator set.
The generator set is not reconnectable.
100--120/200--240V, 60Hz
1.7.8
Automatic Transfer Switches
A typical standby system has at least one automatic transfer switch connected to the generator set output to automatically transfer the electrical load to the generator set if the normal source fails. When normal power returns, the switch transfers the load back to the normal power source and then signals the generator set to stop.
The transfer switch uses a set of contacts to signal the engine/generator to start. When the normal source fails and the generator set master switch is in the AUTO position, the transfer switch contacts close to start the generator set.
The engine start terminals are usually located near the transfer switch contactor with an engine start decal identifying the terminals. Use the transfer switch wiring diagrams to identify the engine start terminals prior to making connections.
Connect the transfer switch engine-start contacts or a remote manual engine-start switch to the engine start connectors on the generator set.
Use the remote harness with pigtail to connect to leads 3 and 4 from the generator set controller to the engine-start leads from the ATS. Size the wire according to the transfer switch connection and the length of run. Use separate conduit for the DC engine-start leads and the AC generator set load cables and battery charger leads.
ADV-5875A--
Figure 1-5 Single-Phase Factory Connection,
120/240 V 60 Hz
12 Section 1 General XP-6341 6/10
Section 2 Installation Instructions
2.1 Introduction
Have the generator set installed by a Lennox dealer or authorized representative.
Install the equipment in compliance with the National Electrical Code (NEC) and local codes. For Canadian installations, refer to the
Canadian Electrical Code (CEC).
Note: These instructions outline one procedure for installing the generator set. Local codes may require different procedures.
The generator set must be installed outdoors.
The exhaust systems on enclosed units are designed for outdoor installation only.
Review the information in
Section 1, General, before beginning the installation procedure.
Note: DO NOT install enclosed generator sets inside a building.
Note: Install carbon monoxide (CO) detector(s) on each level of any building adjacent to a generator set. Locate the detectors to adequately warn the building’s occupants of the presence of carbon monoxide.
Read and follow the safety precautions in this manual and observe the decals on the equipment. Refer to the diagrams and drawings in Section 4 for dimensions and electrical connections during the installation procedure.
Read the entire installation procedure and obtain the accessories and tools needed before beginning installation. Perform the steps in the order shown.
To install optional accessories, follow the instructions provided with each kit.
WARNING
Hazardous voltage.
Backfeed to the utility system can cause property damage, severe injury, or death.
If the generator set is used for standby power, install an automatic transfer switch to prevent inadvertent interconnection of standby and normal sources of supply.
XP-6341 6/10
Grounding electrical equipment. Hazardous voltage can cause severe injury or death.
Electrocution is possible whenever electricity is present. Ensure you comply with all applicable codes and standards.
Electrically ground the generator set, transfer switch, and related equipment and electrical circuits. Turn off the main circuit breakers of all power sources before servicing the equipment. Never contact electrical leads or appliances when standing in water or on wet ground because these conditions increase the risk of electrocution.
WARNING
Carbon monoxide.
Can cause severe nausea, fainting, or death.
The exhaust system must be leakproof and routinely inspected.
Generator set operation. Carbon monoxide can cause severe nausea, fainting, or death.
Carbon monoxide is an odorless, colorless, tasteless, nonirritating gas that can cause death if inhaled for even a short time. Avoid breathing exhaust fumes when working on or near the generator set. Never operate the generator set inside a building. Never operate the generator set where exhaust gas could seep inside or be drawn into a potentially occupied building through windows, air intake vents, or other openings.
Carbon monoxide detectors.
Carbon monoxide can cause severe nausea, fainting, or death.
Install carbon monoxide detectors on each level of any building adjacent to the generator set. Locate the detectors to adequately warn the building’s occupants of the presence of carbon monoxide.
Keep the detectors operational at all times. Periodically test and replace the carbon monoxide detectors according to the manufacturer’s instructions.
2.1.1
Location Factors
Ideally, the generator set should be mounted on concrete at ground level. For above-ground installations, including roof installations, weight considerations are especially important.
The building engineer must determine whether the structure can support the weight of the generator set.
The location of the generator set must:
D Support the weight of the generator set and related equipment such as batteries, radiators, and mounting pad(s). Keep in mind that the mounting pad weight may exceed the weight of the generator set.
Section 2 Installation Instructions 13
D Meet applicable fire rating codes and standards.
D Position the generator set over a noncombustible surface.
DO NOT allow accumulation of combustible materials under or around the generator set.
D Permit vibration isolation to reduce noise and prevent damage.
D Not be subject to flooding.
D Provide clearance for cooling air flow and access for service. See Section 2.2 for required clearances from obstructions and combustible materials.
D Allow safe expulsion of exhaust.
D Minimize the risk of public or unauthorized access.
Notice
DO NOT locate the generator set near patios, decks, play areas, or animal shelters. Keep items such as lawn furniture, toys, sports equipment, and all combustible materials away from the generator set exhaust outlet.
Remind family members, children, and visitors to use caution near the generator set. Generator sets connected to automatic transfer switches start automatically during exercise periods and power outages. Some generator set components become hot when the generator set is running and remain hot for a time after the generator set shuts down.
2.1.2
Mounting Surface
The manufacturer recommends a single, level concrete mounting pad. This method provides maximum stability for the generator set. The recommended mounting pad dimensions are shown in the dimension drawings in
Section 4.
Refer to the generator set dimension drawings for conduit and fuel-line placement.
The drawings give dimensions for electrical and fuel connection rough-ins and stub-ups.
2.1.3
Vibration Isolation
The generator set is equipped with neoprene vibration isolators. Connections between the generator set or its mounting base and any conduits or fuel lines must include flexible sections to prevent breakage and to isolate vibration.
2.1.4
Lifting Generator Set
WARNING
Unbalanced weight.
Improper lifting can cause severe injury or death and equipment damage.
Do not use lifting eyes.
Lift the generator set using lifting bars inserted through the lifting holes on the skid.
Enclosed units weigh approximately 500 kg (1100 lb.).
Use equipment that is rated for the generator set’s weight to lift the unit into place. Lift the enclosure and generator set together as one unit.
DO NOT lift the generator set using the lifting eyes attached to the engine and/or alternator. These eyes cannot support the generator set’s weight.
Instead, insert lifting hooks or lifting bars through the four holes in the mounting skid. The placement of the holes maintains balance during lifting.
2.2 Installation Procedure
Tools Required:
D
D
D
D
D
D
D
D
D
D
Multimeter (for measuring voltage and current)
Frequency meter (may be part of multimeter)
Manometer (for measuring fuel pressure)
Torque wrench
Wrenches
Screwdrivers
Socket wrenches or nut drivers
Pliers
Safety glasses or goggles
Drill with bits and hole saw
14 Section 2 Installation Instructions XP-6341 6/10
D
D
D
D
Installer/Customer-Supplied Items:
D
D
One 12-volt battery with a minimum rating of 525 cold cranking amps (CCA) at 0
_
F.
Remote harness with pigtail connector
(to connect ATS engine start, if used)
Gravel or crushed stone
Concrete mounting pad
Cables and conduit
Fuel supply line with shutoff valve and pipe sealant
(provided by fuel supplier)
D Carbon monoxide (CO) detector(s)
D
D
D
Available Accessories:
D
D
D
D
D
D
D
D
D
Air cleaner restriction indicator
Battery
Battery charger
Battery heater
Block heater
Flexible fuel lines
Maintenance kit (includes filters and belt)
Natural gas strainer
Relay kit, includes common fault and auxiliary run relays
Remote digital gauge
Remote harnesses
Rodent guards
2.2.1
Prepare Site
Choose a location that is at least 0.9 m (3 ft.) from any building or structure and near the incoming gas service.
Allow a minimum of 2.4 m (8 ft.) clearance beyond the exhaust end of the generator set. Plan the installation so that the exhaust end of the generator set is not directed toward the building or any openings where exhaust gas could be drawn into the building.
Install carbon monoxide detectors on each level of any building adjacent to the generator set.
Locate the detectors to adequately warn the building’s occupants of the presence of carbon monoxide.
1. Obtain a building permit and contact your local utility companies to mark the locations of underground pipes and cables.
2. Prepare an area for mounting the generator set.
a. Clear all combustible materials, including plants and shrubs, building materials, and lawn furniture, from an area at least 2.4 m (8 ft.) beyond the exhaust end of the generator set.
b. Spread a 76 mm (3 in.) thick layer of gravel to support the concrete mounting pad. For the mounting pad dimensions, see Figure 4-3 or for weather enclosures or Figure 4-4 for sound enclosures.
c. Lay a 100 mm (4 in.) thick concrete pad on the gravel layer. Include mounting bolts and stubups for the fuel supply and electrical conduit.
See Figure 4-3 or Figure 4-4 for the mounting pad dimensions, mounting bolts, and stub-up locations.
2.2.2
Mount and Ground Generator Set
1. Place the generator set on the concrete mounting pad. Secure the generator set with mounting bolts anchored in the concrete pad.
2. Remove the enclosure doors and alternator-end panel to gain access to the junction box and other generator set components during installation.
3. Ground the generator set. The grounding method must comply with NEC and local codes. Connect the grounding strap to the generator set ground lug, terminal GRD inside the junction box. See
Figure 2-1.
1
2
5
3
4
GM39949B--R
1. Neutral (L0) connection
2. Ground (GRD) connection
3. Relay interface board (RIB; standard 3--relay board shown)
4. Line circuit breaker
5. Load lead access opening and customer interface connector
Figure 2-1 Generator Set Electrical Connections
(enclosure not shown)
XP-6341 6/10 Section 2 Installation Instructions 15
Generator sets are shipped with the generator set neutral attached to the generator set in the junction box. At installation, the neutral can be grounded at the generator set or lifted from the ground stud and isolated if the installation requires an ungrounded neutral connection at the generator set.
The generator set will operate properly with the neutral either bonded to ground or isolated from ground at the generator set.
Various regulations and site configurations including the National Electrical Code (NEC), local codes, and the type of transfer switch used in the application determine the grounding of the neutral at the generator set. NEC 2002 Section 250.20 is one example that has a very good explanation of the neutral grounding requirements for generator sets.
2.2.3
Connect AC and DC Wiring
Note: Have a licensed electrician make the following electrical connections.
All connections must comply with state and local codes.
Size the wire according to the length of run and 115% of the circuit current (amperage) as directed by the
National Electrical Code r (NEC) in ANSI/NFPA 70. See
Figure 2-1 and refer to the wiring diagrams in Section 4,
Diagrams and Drawings.
Refer to Section 1.7 for additional information about connecting the electrical system.
Load Lead and Engine Start Connections
1. Install a 120 VAC receptacle for the generator set battery charger and block heater. Supply power to the receptacle through a circuit that is powered at all times, by the utility and by the generator set during utility power outages.
2. Some codes require the use of a disconnect switch.
Check the code requirements for your location and install a disconnect switch, if required.
3. Use separate conduit for the power cables and the low voltage engine start leads. Local codes and the length of run as well as the transfer switch wire size requirements will determine the wire size needed for the AC leads. Route the load leads into the junction box through the access opening in the back of the box.
4. Connect the load leads from the line circuit breaker in the generator set junction box to the transfer switch emergency power connection points. See
Figure 2-1 and refer to transfer switch installation manual for ATS connection instructions.
16 Section 2 Installation Instructions
5. Use the remote harness with pigtail connector at the customer interface connector to connect engine start leads 3 and 4 to the engine start terminals on the transfer switch.
Refer to the transfer switch installation manual for ATS connection instructions.
6. If an auxiliary fault switch is used, connect it to leads 30 and N at the customer interface connector.
2.2.4
Install Engine Starting Battery
WARNING
Explosion.
Can cause severe injury or death.
Relays in the battery charger cause arcs or sparks.
Locate the battery in a well-ventilated area. Isolate the battery charger from explosive fumes.
Battery gases.
Explosion can cause severe injury or death.
Battery gases can cause an explosion. Do not smoke or permit flames or sparks to occur near a battery at any time, particularly when it is charging. Do not dispose of a battery in a fire.
To prevent burns and sparks that could cause an explosion, avoid touching the battery terminals with tools or other metal objects. Remove all jewelry before servicing the equipment. Discharge static electricity from your body before touching batteries by first touching a grounded metal surface away from the battery. To avoid sparks, do not disturb the battery charger connections while the battery is charging.
Always turn the battery charger off before disconnecting the battery connections. Ventilate the compartments containing batteries to prevent accumulation of explosive gases.
Use a 12 VDC battery with a minimum rating of
525 CCA.
1. Verify that the generator set master switch is in the
OFF/RESET position.
2. Ensure that the starting battery is fully charged before placing the battery in service.
3. Clean the battery posts and/or adapters if necessary.
4. Install battery post adapters, if needed.
5. See dimension drawing ADV-7000A in Section 4 for the battery rack location. Place the battery on the battery rack on the skid.
XP-6341 6/10
6. Connect the red battery cable to the positive (+) battery terminal.
7. Connect the black battery cable to the negative (--) battery terminal.
8. Place the boots over the battery terminals.
9. Plug the battery charger into the 120 VAC power supply.
2.2.5
Install and Connect Fuel Supply
WARNING
Explosive fuel vapors.
Can cause severe injury or death.
Use extreme care when handling, storing, and using fuels.
The fuel system. Explosive fuel vapors can cause severe injury or death.
Vaporized fuels are highly explosive. Use extreme care when handling and storing fuels. Store fuels in a well-ventilated area away from spark-producing equipment and out of the reach of children. Never add fuel to the tank while the engine is running because spilled fuel may ignite on contact with hot parts or from sparks. Do not smoke or permit flames or sparks to occur near sources of spilled fuel or fuel vapors. Keep the fuel lines and connections tight and in good condition. Do not replace flexible fuel lines with rigid lines. Use flexible sections to avoid fuel line breakage caused by vibration. Do not operate the generator set in the presence of fuel leaks, fuel accumulation, or sparks. Repair fuel systems before resuming generator set operation.
Note: Have the fuel piping and regulator installed by the fuel supplier. The fuel supply installation must comply with NFPA and local codes.
1. See Figure 2-2, Figure 2-3, and Figure 2-4 for the fuel supply requirements.
Add up the fuel requirements for the generator set plus all other gas-fired equipment fueled by the same supply.
2. Check that the primary regulator and gas meter have sufficient capacity for the fuel requirements for the generator set plus all other gas-fired equipment. Have the fuel supplier install a larger gas meter, if necessary.
Model
RGEN30
Gas Flow Rate, Btu/hr.
450000
Figure 2-2 Gas Flow Rate (natural gas and LP)
Fuel Supply Specifications
Fuel type
Fuel supply inlet
Fuel supply pressure, oz./in.
2
(in. H 2 O)
Nominal Fuel Rating, Btu/ft.
3
:
Natural gas
LP vapor
Figure 2-3 Fuel Requirements
LP Gas or Natural
Gas
3/4-14 NPT
4--6 (7--11)
1000
2500
Fuel Consumption
Natural Gas at % Load
100%
75%
50%
25%
LP Gas at % Load
100%
75%
50%
25%
Figure 2-4 Fuel Consumption m
3
/hr. (cfh)
12.7
(450)
10.6
(375)
8.5
(300)
6.4
(225)
5.1
(180)
4.2
(150)
3.4
(120)
2.5
(90)
3. Measure the pipe length from the primary gas pressure regulator to the pipe connection on the generator set fuel inlet. Add 2.4 m (8 ft.) to the measured length for each 90 degree elbow. Use the pipe size indicated in Figure 2-5 for the total length of pipe.
Maximum Pipe Length m (ft.)
6.1
(20)
9.1
(30)
18.3
(60)
30.5
(100)
45.7
(150)
61.0
(200)
Figure 2-5 Fuel Pipe Sizes
Pipe Size
1 1/4 in. NPT
1 1/4 in. NPT
1 1/2 in. NPT
1 1/2 in. NPT
2 in. NPT
2 in. NPT
XP-6341 6/10 Section 2 Installation Instructions 17
Have your fuel supplier install a manual fuel shutoff valve and rigid gas piping. Bring the pipe to within
254 mm (10 in.) of the generator set fuel inlet location. See Figure 2-6.
1
2
4
3
GM39949D--R
Note: UL 2200-listed units include a second fuel valve.
1. Fuel solenoid valve (2 required for UL2200)
2. 1/4 in. port for inlet fuel pressure (back side)
3. Secondary regulator (shown pointing down for LP)
4. Fuel supply connection
Figure 2-7 Early Model Fuel System (LP gas setup shown)
1
Figure 2-6 Manual Fuel Shutoff Valve (outdoor installation shown)
2.2.6
Generator Set Fuel Systems
Compare your fuel system to Figure 2-7 and Figure 2-8.
D Generator sets with serial numbers below 2272938, built before November 2, 2009, use the secondary regulator shown in Figure 2-7.
D Generator sets with serial numbers above 2272938, built after November 2, 2009, use the fuel system shown in Figure 2-8, which has an integrated electronic pressure regulator (IEPR) mounted above the engine.
Note: The integrated electronic pressure regulator
(IEPR) and air/fuel mixer are specially calibrated emission-control devices. Do not adjust the IEPR or the air/fuel mixer.
3 2
ADV-7692
Note: UL 2200-listed units include a second fuel valve. See
Figure 2-9.
1. Integrated electronic pressure regulator (IEPR)
2. Fuel solenoid valve
3. Fuel supply connection, 3/4 NPT
Figure 2-8 Later Model Fuel System with IEPR
18 Section 2 Installation Instructions XP-6341 6/10
1
GM39123
1. Fuel solenoid valves (qty. 2)
2. Fuel supply connection, 3/4 NPT
2
Figure 2-9 Fuel Supply Connection with Two Fuel
Valves
1. Remove the enclosure door on the service side of the unit.
2. Connect the fuel supply: a. Apply pipe sealant that is approved for fuel connections to the threaded fuel connections.
b. Use a section of flexible fuel line to connect the fuel supply to the fuel inlet connection on the generator set. See Figure 2-7 or Figure 2-9 for the fuel inlet connection location.
c. Open the manual fuel valves and leak test all fuel connections using soapy water. If a leak is detected, close the fuel valves, disconnect the lines at the location of the leak, clean the fittings, and apply fresh pipe sealant.
Reconnect the lines and recheck for leaks.
Note: After the system installation is complete, you will be instructed to check for fuel leaks with the generator set running.
See Section 2.2.11, Operation Tests.
2.2.7
Fuel Type Check and Conversion
Procedures, Early Models
Note: This procedure applies to models equipped with the fuel regulator shown in Figure 2-7. For later models equipped with the IEPR, see
Section 2.2.8.
Check that the fuel system is set up for the fuel being used (natural gas or LP).
1. Check the orientation of the fuel regulator and check the hang tag attached to the regulator. The fuel regulator is installed pointing up for natural gas or down for LP gas. See Figure 2-7.
2. Check fuel select leads 65 and 70A in the wiring harness.
See Figure 2-10.
The leads are connected for natural gas and disconnected for LP.
3. Use one of the following procedures to convert the fuel system, if necessary.
4. After checking the fuel type and converting the fuel system if necessary, proceed to Section 2.2.9, Add
Coolant.
1 tp6341
1. Fuel select leads
Figure 2-10 Fuel Select Leads, Early Models (shown connected for natural gas)
XP-6341 6/10 Section 2 Installation Instructions 19
LP Fuel Conversion Procedure
Use the following steps to convert the fuel system to LP gas, if necessary:
1. Remove the fuel regulator cover plug.
See
Figure 2-11.
2. Remove the adjustment screw and spring from the fuel regulator.
Save the adjustment screw and spring for possible conversion back to natural gas.
3. Reinstall the cover plug.
4. Rotate the regulator to point down as shown in
Figure 2-7.
5. Disconnect leads 65 and 70A at the quick connects in the wiring harness. See Figure 2-10.
6. Proceed to Section 2.2.10 to check and adjust the fuel supply pressure.
Natural Gas Fuel Conversion Procedure
Use the following steps to convert the generator set to natural gas, if necessary:
1. Rotate the regulator so that it is pointing up.
2. Remove the fuel regulator cover plug.
See
Figure 2-11.
4 3
1
2
SB-527
1. Fuel regulator
2. Spring
Figure 2-11 Fuel Regulator
3. Adjustment screw
4. Cover plug
3. Install the spring and adjustment screw.
4. Adjust the screw 11.1 mm (7/16 in.) down from the top of the regulator.
5. Reinstall the cover plug.
6. Connect leads 65 and 70A at the quick-connects in the wiring harness. See Figure 2-10.
20 Section 2 Installation Instructions XP-6341 6/10
2.2.8
Fuel Type Check and Conversion
Procedures, Later Models with
IEPR
Note: This procedure applies to models equipped with the integrated electronic pressure regulator and fuel valves shown in Figure 2-8.
Check the connections to the fuel solenoid valve to verify that the fuel system is set up for the type of fuel that will be used (natural gas or LP). See Figure 2-8 for the location of the fuel solenoid valve.
To change the fuel type, change the connection to the fuel solenoid valve as described below and shown in
Figure 2-12.
LP Connections:
D Disconnect lead 73A from the fuel valve.
D Connect lead 73B to the fuel valve.
D Connect lead 65 to lead N3 (ground).
Natural Gas Connections:
D Disconnect lead 65 from N3.
D Disconnect lead 73B from the fuel valve.
D Connect lead 73A to the fuel valve.
ADV-7602
Figure 2-12 Fuel Type Connections, Models with
IEPR
XP-6341 6/10 Section 2 Installation Instructions 21
2.2.9
Add Coolant
Follow the instructions below to fill the cooling system.
1. Close the radiator’s coolant drain valve and tighten the hose clamps.
Note: Do not add coolant to a hot engine. Adding coolant to a hot engine can cause the cylinder block or cylinder head to crack.
Wait until the engine has cooled.
2. Fill the radiator with the recommended coolant mixture of 50% ethylene glycol and 50% clean, softened water to inhibit rust/corrosion and prevent freezing. See Figure 2-13 for coolant capacity. Do not replace the pressure cap at this time.
Note: A coolant solution of 50% ethylene glycol provides freezing protection to --37 ° C
(--34 ° F) and overheating protection to
129 ° C (265 ° F). A coolant solution with less than 50% ethylene glycol may not provide adequate freezing and overheating protection.
A coolant solution with more than 50% ethylene glycol can cause engine or component damage. Do not use alcohol or methanol antifreeze or mix them with the specified coolant.
Model
15 kW
30 kW
Figure 2-13 Coolant Capacity
Coolant Capacity, L (gal.)
11.5 (3.0)
11.5 (3.0)
3. Check the oil level before operating the engine.
4. Operate the engine with the radiator’s pressure cap removed until the thermostat opens and the radiator upper hose becomes hot.
5. Stop the engine and allow it to cool.
6. Add coolant to the radiator to just below the overflow tube on the filler neck. See Figure 2-14 for the overflow tube location.
7. Replace the radiator’s pressure cap.
8. Maintain the coolant level in the coolant overflow bottle between the High and Low markings. See
Figure 2-14 for the coolant overflow bottle location.
1
2
1. Pressure cap (engine coolant fill)
2. Coolant overflow tube
3. Coolant overflow bottle
3
Figure 2-14 Coolant Fill
ADV-7692
2.2.10 Check and Adjust Fuel System
(early models only)
Note: This section does not apply to later models that are equipped with the integrated electronic pressure regulator (IEPR).
See
Section 2.2.6.
WARNING
Hot engine and exhaust system.
Can cause severe injury or death.
Do not work on the generator set until it cools.
Servicing the exhaust system.
Hot parts can cause severe injury or death.
Do not touch hot engine parts. The engine and exhaust system components become extremely hot during operation.
Use an oxygen sensor to check the fuel system adjustment. Use Oxygen Sensor Service Kit Y1143.
1. Place the generator set master switch in the OFF position.
22 Section 2 Installation Instructions XP-6341 6/10
2. Disconnect power to battery charger, if equipped.
3. Disconnect the generator set engine starting battery, negative (--) lead first.
4. Allow the generator set to cool.
5. Install the oxygen sensor in the exhaust manifold at the location shown in Figure 2-15.
14. Use a digital multimeter to check the output voltage and frequency. Verify 120 volts line-to-neutral and
60 Hz output.
15. Allow the generator set to run until the generator set reaches normal operating temperature. The time required to reach normal operating temperature depends primarily on the ambient temperature and the size of the engine.
16. With the generator set at normal operating temperature, apply 90%--100% of rated load. If a load bank is not available, apply a load at least comparable to what is generally connected to the generator set.
17. Adjust the fuel mixture adjustment screw (on the mixer, see Figure 2-16) to obtain a full load oxygen sensor voltage reading of 2.5
± 0.10 VDC (or a lambda λ value of approximately 1.0 as indicated in the instructions provided with the oxygen sensor kit.
If the oxygen sensor voltage reading is too low with the fuel mixture adjustment in the richest position
(turned in clockwise), turn the fuel regulator adjustment screw clockwise and readjust the fuel mixture adjustment screw.
If the oxygen sensor voltage reading is too high with the fuel mixture adjustment in the leanest position (turned out counterclockwise), turn the fuel regulator adjustment screw counterclockwise and readjust the fuel mixture adjustment screw.
tp6329
1
1. Exhaust manifold pipe plug
Figure 2-15 Oxygen Sensor Mounting Location
6. Connect a manometer to check the fuel supply pressure on the supply side of the fuel solenoid valve. See Figure 2-7.
7. Connect the oxygen sensor harness as directed in the instructions provided with oxygen sensor kit.
8. Check that the generator set master switch is in the
OFF position.
9. Reconnect the generator set engine starting battery, negative (--) lead last.
10. Place the controller master switch in the RUN position to start generator set.
11. Adjust the fuel supply pressure with the generator set running at full load.
Rotate the adjustment screw on the primary fuel regulator until the manometer indicates a fuel pressure of 7--11 in.
water column. Pressures below 7 in. water column may result in poor response to load changes or lack of power.
12. Reinstall the cover plug.
13. Check the fuel connections for leaks with the generator set running.
2
1
1. Fuel mixture adjustment screw (full load)
2. Idle adjustment screw (no load) tp6329
Figure 2-16 Fuel Mixture Adjustment Screw Location
XP-6341 6/10 Section 2 Installation Instructions 23
18. Disconnect the load.
19. Adjust the idle screw (see Figure 2-16) to obtain a no-load oxygen sensor voltage reading of
2.5
± 0.10 VDC (or a lambda λ value of approximately 1.0).
20. Repeat steps 16 through 19 to verify the settings.
21. Place the generator set master switch in the OFF position to stop generator set.
22. Disconnect the generator set engine starting battery(ies), negative (--) lead first.
23. Allow the generator set exhaust system to cool.
Disconnect and remove the oxygen sensor as directed in the instructions provided with oxygen sensor kit.
24. Reconnect the generator set engine starting battery, negative (--) lead last.
25. Reconnect the power to the battery charger, if equipped.
2.2.11 Operation Tests
WARNING
1. Verify that all guards are in place.
Install the enclosure’s end panels and nonservice side door.
2. Check the items in the Prestart Checklist in the generator set operation manual.
3. Move the generator set master switch to the RUN position to start the generator set.
4. Use a digital voltmeter (DVM) to check the output voltage from the generator set.
If voltage adjustments are required, refer to Section 3.4 for instructions to use the controller voltage adjustment menu.
5. Perform voltage checks as described in the ATS operation and installation manual. Close the main circuit breaker on the main distribution panel when instructed to connect power in the test procedure.
6. Move the generator set master switch to OFF and then to the AUTO position.
7. Install the enclosure’s service-side door. Verify that all enclosure doors and panels are installed.
8. Test the system operation as described in the ATS operation and installation manual.
9. Set the exerciser on the transfer switch to exercise the generator set weekly. Refer to the instructions in the ATS operation and installation manual.
Hazardous voltage.
Moving parts.
Can cause severe injury or death.
Operate the generator set only when all guards and electrical enclosures are in place.
24 Section 2 Installation Instructions XP-6341 6/10
Section 3 Controller
The controller uses password-protected menus for generator output adjustments and controller configuration.
This section contains instructions for using the controller’s password-protected menus to check and adjust the generator output and controller configuration.
The controller configuration and generator set output are factory-set and should not require field adjustment under normal circumstances. Check and adjust the configuration and/or output when:
D The controller has been replaced.
D The voltage requires adjustment for a particular application.
D Troubleshooting generator set problems.
Have controller setup and adjustment performed only by a Lennox dealer or authorized representative.
3.1 Controller Automatic Power
Down
With the generator set master switch in the AUTO position, there are three possible controller power modes.
48-hour power down.
If the controller is not configured for a CAN gauge (communications parameter setting
Cn00, see Section 3.3), the controller will power down after 48 hours of no activity. If the generator set has been started, the controller will power down 48 hours after the generator stops. A remote start signal from a transfer switch or remote switch connected to engine start leads 3 and 4 will signal the controller to power up and the generator set to start.
Continuous power mode.
If the controller is configured for a CAN gauge (communications parameter setting Cn01), the controller will not power down. The controller remains powered at all times to allow remote start commands from the remote CAN gauge.
1-hour power down.
Setting the communications parameter to Cn06 will cause the controller to power down after 1 hour of no activity. In this mode, a remote start/stop switch or the generator set master switch must be used to activate the controller after it has powered down.
Controller application code version
1.21 or higher is required for the 1--hour power down option.
3.2 Code Version
Generator sets with serial numbers above 2272938 require ADC 2100 application code version 3.25 or later.
The code version is displayed as you enter the controller configuration mode. See Figure 3-2.
3.3 Controller Configuration
The controller configuration for each generator model is set at the factory and should not normally require changes. The controller’s configuration mode allows adjustment of the system parameters listed in this section. Use the instructions in this section to check the configuration after installation and change them to match the settings shown in Figure 3-1, if necessary.
Note: If the controller is replaced, the new controller will need to be configured to the settings for the generator set as described in this section.
Note: The controller will automatically exit the configuration mode without saving any changes after about 1 minute if no buttons are pressed.
Start the configuration procedure over again from the beginning if the controller exits the configuration mode before the settings have been saved.
XP-6341 6/10 Section 3 Controller 25
Parameter
Unit’s system voltage and frequency
Unit configuration
Engine type
Engine data input types
Battery Voltage
Communications
Setting
Uu01
Uc01
Ec06
Ec11
Ed01
Bt12
Cn00
Cn01
Cn06 *
* See Section 2.2.6.
Figure 3-1 Configuration Parameters
Follow the instructions in Figure 3-2 to enter the configuration mode while the engine is not running and then step through the parameters. Use the up (
∧
) and down (
∨
) arrow buttons to select the appropriate setting for the application.
Note: Be sure to save your settings before exiting the configuration mode.
See Figure 3-4.
The controller reverts to the last saved settings when the master switch is moved to the OFF/RESET position.
Voltage/frequency setting (Uu).
Set the system voltage and frequency to the value shown in Figure 3-1.
Note: This parameter sets the nominal system voltage and frequency. To adjust the output (measured) voltage, see Section 3.4.
Unit configuration (Uc).
This parameter sets the generator set type: marine, standby, or mobile.
Engine configuration (Ec).
The engine configuration must match the generator set engine type. The Ec setting for units built after November 2, 2009, is diffferent than the setting for earlier units. See Figure 3-1 and
Section 2.2.6.
Definition
Single phase, 3 wire, 60 Hz, 120/240 VAC
Standby
RGEN30 (serial numbers below 2272938 ) *
RGEN30 (serial numbers above 2272938) *
RGEN30
Battery voltage 12 VDC
No CAN communications, 48-hour power down
J1939 (use for Remote Digital Gauge), no power down
Enables J1939 communications and 1-hour controller power down after engine stop for either: a. Remote start/stop switch b. Automatic transfer switch c. Remote Digital Gauge with remote start/stop switch and replacement harness
Advanced configuration mode (Adnc).
The data input types, battery voltage, and communications setting can be changed in the advanced configuration mode.
Press the up arrow button when Adnc is displayed to enter the advanced configuration mode.
See Figure 3-3.
Engine data input types (Ed).
This setting defines the type of senders used on the generator set engine.
Battery voltage (Bt).
This setting toggles between 12 and 24 VDC for the engine starting battery voltage. The
RGEN30 uses a 12-volt battery, Bt12.
Communications setting (Cn).
This setting allows the user to set the controller for communication with optional meters. The RGEN30 is factory-set for no CAN communications, Cn00. Change this setting to Cn01 or
Cn06 if an optional Remote Digital Gauge is used. See
Figure 3-1.
26 Section 3 Controller XP-6341 6/10
Controller Configuration Mode:
Hold the Select button:
Move the generator set master switch to the
RUN position. (The generator set engine will not start.)
Wait about 5 seconds until the display shows the program version number. (The number may be different than the one shown here.)
Press the down arrow key and then the up arrow key 3 times to enter the configuration mode. (This is the controller “password.”)
Display:
.
0
1 0 4
U u 0 1
Now release the Select button.
Press: or
To set the voltage/frequency setting to Uu01. See
Figure 3-1.
or
To step to the next parameter, unit configuration
Uc.
To set the unit configuration setting to Uc01, if necessary.
To step to the next parameter, engine type Ec.
or
To change the engine type, if necessary.
U u 0 1
U c 0 1
E c 1 1
To step to the next parameter, advanced configuration mode or save mode selection.
Now either save your settings or enter the Advanced Configuration Mode to set the engine data inputs, battery voltage, and communications.
Press:
To enter advanced configuration mode.
Go to Figure 3-3.
or or To proceed to the save mode without entering the advanced configuration mode.
Go to Figure 3-4.
A d n c
E d 0 1
S A V E
Note: Shaded boxes show which number in the controller display changes when the up or down arrow key is pressed.
Figure 3-2 Configuration Mode (system voltage/frequency, unit configuration, and engine type parameters)
XP-6341 6/10 Section 3 Controller 27
Pressing the up arrow key at the Adnc display (See Figure 3-2) puts you into the Advanced Configuration Mode.
Press: or To set the engine data input type to Ed01.
See Figure 3-1.
E d 0 1
To enter battery voltage selection mode.
or To toggle between 12 and 24 VDC. Set this parameter to 12 VDC.
To enter communications selection mode.
B t 1 2 or
To set the communications parameter Cn.
See Figure 3-1.
To enter SAVE mode. Go to Figure 3-4.
C n 0 0
S A V E
Note: Be sure to save your settings before exiting the configuration mode. The controller reverts to the last saved settings when the master switch is moved to the OFF/RESET position.
Figure 3-3 Advanced Configuration Mode (engine data input type, battery voltage, and engine communications)
There are 3 options when the display says SAVE:
Press:
To return to the first parameter, system voltage/frequency
Uu, to check or change settings before saving. See
Figure 3-2.
or
To save changes.
or
To discard changes without saving.
S A V E
U u 0 1
Y E S n o
“Yes”or “no” flashes when the up or down arrow is pressed and then the controller exits the configuration mode. The display returns to the runtime hours.
Now move the master switch to OFF/RESET.
* X in the runtime hours display above denotes any number from 0 to 9.
Figure 3-4 Save Mode (after configuring generator set parameters) x x x x
28 Section 3 Controller XP-6341 6/10
3.4 Voltage Adjustments
WARNING
Hazardous voltage.
Moving parts.
Can cause severe injury or death.
Operate the generator set only when all guards and electrical enclosures are in place.
Short circuits.
Hazardous voltage/current can cause severe injury or death.
Short circuits can cause bodily injury and/or equipment damage .
Do not contact electrical connections with tools or jewelry while making adjustments or repairs. Remove all jewelry before servicing the equipment.
The controller’s adjustment mode allows adjustment of the output voltage, if necessary.
Have adjustments performed by a Lennox dealer or service technician.
Note: A digital voltmeter is required for these adjustments.
Use a voltmeter to check the output voltage. If the output voltage is not within specifications, use the controller to adjust the output voltage while the generator set is running. The flowcharts in Figure 3-6 and Figure 3-7 outline the adjustment procedures.
Note: Be sure to save your settings before exiting the configuration mode.
Voltage changes are lost if they are not saved before the generator set shuts down. The generator set continues to run with the new settings until it shuts down but then reverts to the previous settings at the next startup if the changes have not been saved.
Pressing the Select button when SAVE is displayed returns to the first parameter, voltage adjust (1P).
Note: Refer to the flowcharts in Figure 3-6 and
Figure 3-7 during the voltage adjustment procedure.
Voltage Adjustment Procedure
1. With the generator set off, connect a digital multimeter to the output leads or an electrical outlet on the load side of the generator set. Set the meter to measure AC voltage.
2. Start the generator set by moving the generator set master switch to the RUN position.
3. Use the controller to adjust the voltage (parameter
1P) until the output voltage reaches the desired value. See Figure 3-5 for the approximate change in voltage per step in parameter 1P. See Figure 3-6 for adjustment instructions.
Measured
Voltage, VAC
85--132
180--251
Voltage Change per Step, VAC
Coarse Adjust Fine Adjust
5
7
0.5
0.7
Figure 3-5 Voltage Adjustment (approximate)
4. Adjust the voltage stability (gain, parameter 2P) to minimize light flicker.
See Figure 3-6 for adjustment instructions.
5. Readjust the voltage, if necessary.
6. Save the controller settings as described in
Figure 3-7.
7. Stop the generator set.
XP-6341 6/10 Section 3 Controller 29
Output Voltage Adjustment Mode:
Move the generator set master switch to the RUN position. The generator set engine starts and the controller display shows the engine runtime hours.
Hold:
Wait about 5 seconds until the display changes from runtime hours to the program version number.
Display :* x x x x x.
x x
Press the down arrow key and then the up arrow key 3 times to enter the adjustment mode. (This is the controller “password.”)
1 P x x
The controller is now in the voltage coarse adjustment mode.
Press: or
To raise or lower the voltage in large increments
(approximately 5--7 volts per step).
or or
To enter fine voltage adjustment mode.
To raise or lower the voltage in smaller increments
(approximately 0.5--0.7 volts per step).
To enter coarse voltage stability (gain) adjustment mode.
To raise or lower the voltage stability (gain) in large increments.
or
To enter fine voltage stability (gain) adjustment mode.
To raise or lower the voltage stability (gain) in smaller increments.
1 P
1 P
2 P
2 P x x x x x x x x
To enter volts/Hz adjustment mode.
To raise or lower the volts/Hz: 00=low; 09= high
3 P 0 x or
Continued on Figure 3-7.
* Shaded boxes show which character in the controller display changes for each adjustment.
X in the examples above denotes any number from 0 to 9. The actual values may vary from model-to-model.
Figure 3-6 Output Voltage Adjustments
30 Section 3 Controller
TP6196
XP-6341 6/10
Continued from Figure 3-6:
To enter SAVE mode.
Display : *
S A V E
Note: Be sure to save your settings before exiting the configuration mode. The controller reverts to the last saved settings when the master switch is moved to the OFF/RESET position.
There are 3 options when the display says SAVE:
Press:
To return to the first parameter, coarse voltage adjustment, to check or change settings before saving. See Figure 3-6.
or
To save changes.
or
To discard changes without saving.
S A V E
1 P x x
Y E S n o
“Yes”or “no” flashes when the up or down arrow is pressed and then the controller exits the configuration mode. The display returns to the runtime hours.
Now move the master switch to OFF/RESET.
x x x x
* X in the examples above denotes any number from 0 to 9. The actual values may vary from model-tomodel.
Figure 3-7 Output Voltage Adjustments, Continued
XP-6341 6/10 Section 3 Controller 31
Section 4 Diagrams and Dimension Drawings
Later model generator sets use an updated fuel system.
See Section 2.2.6 and compare your generator set’s fuel system to Figure 2-7 and Figure 2-8 to determine which fuel system is installed, or check the generator set serial number on the nameplate.
Then see Figure 4-1 to determine which version number to use.
Find the corresponding drawing numbers in Figure 4-2.
Fuel System
Illustration
Figure 2-7
Figure 2-8
Figure 4-1 Version Numbers
Drawing Description
Generator Set Dimensions
Sheet 1
Sheet 2
Sound Enclosure Dimensions
Installation Clearances
High Wind Mounting Pad Detail
Schematic Diagram:
Sheet 1
Sheet 2
Sheet 3
Wiring Diagram:
Sheet 1
Sheet 2
Version 1
Drawing Number
ADV-7000A-D
—
ADV-7000C-D
ADV-7000D-D
ADV-7000E-D
ADV-7287A-A
ADV-7287B-A
—
GM50548A-C
GM50548B-C
Figure 4-2 Drawing Numbers and Locations
Page
37
38
—
39
40
33
—
34
35
36
Generator Set
Serial Number
Below 2272938
Above 2272938
Version 2
Drawing Number Page
ADV-7692A-A
ADV-7692B--A
ADV-7694B-B
ADV-7694C-B
ADV-7694B-B
ADV-7602A-B
ADV-7602B-B
ADV-7602C-B
GM63943A-A
GM63943B-A
Drawing Version
Number
1
2
41
42
43
44
43
45
46
47
48
49
32 Section 4 Diagrams and Dimension Drawings XP-6341 6/10
Figure 4-3 Generator Set Dimensions (shown without enclosure), ADV-7000A-D
XP-6341 6/10 Section 4 Diagrams and Dimension Drawings 33
Figure 4-4 Sound Enclosure Dimensions, ADV-7000C-D
34 Section 4 Diagrams and Dimension Drawings XP-6341 6/10
Figure 4-5 Installation Clearance Drawing, ADV-7000D-D
XP-6341 6/10 Section 4 Diagrams and Dimension Drawings 35
Figure 4-6 High Wind Mounting Pad Detail Drawing, ADV-7000E-D
36 Section 4 Diagrams and Dimension Drawings XP-6341 6/10
Figure 4-7 GM 1.6 L Schematic Diagram, Page 1, ADV-7287A-A
XP-6341 6/10 Section 4 Diagrams and Dimension Drawings 37
Figure 4-8 Schematic Diagram, Page 2, ADV-7287B-A
38 Section 4 Diagrams and Dimension Drawings XP-6341 6/10
Figure 4-9 Wiring Diagram, Page 1, GM50548A-C
XP-6341 6/10 Section 4 Diagrams and Dimension Drawings 39
Figure 4-10 Wiring Diagram, Page 2, GM50548B-C
40 Section 4 Diagrams and Dimension Drawings XP-6341 6/10
Figure 4-11 Generator Set Dimensions (shown without enclosure), ADV-7692A-A, Sheet 1
XP-6341 6/10 Section 4 Diagrams and Dimension Drawings 41
Figure 4-12 Generator Set Dimensions (shown without enclosure), ADV-7692B-A, Sheet 2
42 Section 4 Diagrams and Dimension Drawings XP-6341 6/10
Figure 4-13 ADV-7694B-B, Sound Enclosure
XP-6341 6/10 Section 4 Diagrams and Dimension Drawings 43
Figure 4-14 Installation Clearance Drawing, ADV-7694C-B
44 Section 4 Diagrams and Dimension Drawings XP-6341 6/10
Figure 4-15 Schematic Diagram, ADV-7602A-B, Sheet 1
XP-6341 6/10 Section 4 Diagrams and Dimension Drawings 45
Figure 4-16 Schematic Diagram, ADV-7602B-B, Sheet 2
46 Section 4 Diagrams and Dimension Drawings XP-6341 6/10
Figure 4-17 Schematic Diagram, ADV-7602C-B, Sheet 3
XP-6341 6/10 Section 4 Diagrams and Dimension Drawings 47
Figure 4-18 Wiring Diagram, GM63943A-A Sheet 1
48 Section 4 Diagrams and Dimension Drawings XP-6341 6/10
Figure 4-19 Wiring Diagram, GM63943B-A Sheet 2
XP-6341 6/10 Section 4 Diagrams and Dimension Drawings 49
Notes
50 Section 4 Diagrams and Dimension Drawings XP-6341 6/10
Notes
XP-6341 6/10 Section 4 Diagrams and Dimension Drawings 51
Notes
52 Section 4 Diagrams and Dimension Drawings XP-6341 6/10

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