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NPS Y6000eco Installation Manual

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INSTALLATION GUIDE
Model Y6000eco
Rev. 1

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Questions and answers

Bob woods
April 8, 2025

I need a second opinion on the output wires on my nps 6000. When I tie into the transfer switch, do the two white wires stay together in the neutral spot? Also there is a black with yellow strip and solid black, which is which on the hot 1 and hot 2? Thanks for your help!

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1 comments:
Mr. Anderson
April 9, 2025

The output wires from the NPS Y6000eco should be connected to the transfer switch with the following attention:

- Two white wires: These are typically neutral wires and should be connected to the neutral terminal in the transfer switch.
- Black with yellow stripe wire: This is usually the generator's output (hot) wire and should be connected to the generator input terminal on the transfer switch.
- Solid black wire: This may serve a different function (such as a signal or control wire), and should not be connected to the transfer switch’s power input terminals unless specified.

Always verify no power is supplied to the transfer switch before connecting any output wires.

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Summary of Contents for NPS Y6000eco

  • Page 1 INSTALLATION GUIDE Model Y6000eco Rev. 1...
  • Page 2 Welcome to N.P.S. Company, LLC's (NPS) Installation Guide (Guide) for the Generator Model Y6000eco (Generator). Our Generators are designed with comfort and ease in mind. NPS is proud to provide these Generators to enhance your experience in the outdoors and the wild places of this planet.
  • Page 3 Installers are required to read and understand this entire Guide prior to proceeding with any action or activity related to the installation. Failure to do so may void NPS' Limited Warranty and may result in extreme bodily injury or death to the installer or operator.
  • Page 4 B. Safety Throughout the Guide you will see several warnings repeated to alert the Generator installer to existing and potential hazards. These warnings are in place to ensure the safety of the Generator installer before, during and upon completion of Generator installation.
  • Page 5 • Prior to installation locate the ECI Fuel Registration tag in the Generator installation area, call 800 phone number listed on the tag and verify the RV has a ECI Fuel System approved and certified for the NPS Generator. See Exhibit Page 5 of 55 Rev.1...
  • Page 6 B. Safety DANGER! GASOLINE and VAPORS are FLAMMABLE and EXPLOSIVE • Keep multi-class ABC fire extinguishers within reach of installer and readily available throughout the installation • Do not smoke or permit others to smoke at or near install location •...
  • Page 7 (continued) • Exhaust Kit must be installed according to procedures set forth in this Guide. Failure to follow installation procedures may void NPS' Limited Warranty and result in death or extreme bodily harm to installer or operator. • Do not operate Generator in an enclosed space such as a garage or storage stall.
  • Page 8 Access Door, Fuel Connections, Electrical Connections, Remote Control Panel) and every ten (10) hours of operation thereafter • NPS' Generator is not designed to be a primary source of power for life support systems or devices but can support temporary operating or charging of...
  • Page 9 B. Safety B.11 Safety Regulations NPS recommends all installers be familiar with and understand the following regulations before commencing installation: • 29 CFR 1910 Occupational Safety and Health Standards • 29 CFR 1910.333 Subpart S: Electrical: Selection and use of work practices o https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.333...
  • Page 10 B. Safety B.11 Safety Certifications NPS Model Y6000eco Generator have met the requirements and maintain the following certifications: • CARB o EO U-U-017-0346 New Off-Road Small Spark Ignition Engines at or Below 19 Kilowatts • EPA Certification No. LYMXS.4032EK • TEI Certification Product Listing No. 19J01 Page 10 of 55 Rev.
  • Page 11 Exhibit 1 - ECI Fuel System Tag Page 11 of 55 Rev. 1...
  • Page 12 These warnings are in place to ensure the safety of the Generator installer before, during and upon completion of installation. NPS offers the Generator Model Y6000eco. Installers shall install the NPS Generator model appropriate for the application. See...
  • Page 13 Exhibit 2 - NPS Generator Generator Service Access Door Latches Generator Casing Warning Tags Generator Service Access Door (closed position) Generator Model Number Generator Generator Nameplate Warning Base Labels Warning NPS' TEI United States and Canada Certification Mark Page 13 of 55...
  • Page 14 Generator Service Air Filter Hand-held Fault Automatic Access Door Housing Remote-Start Indicator Engine Choke Opening Keyfob Lights Carburetor Emergency (NPS original Fuel Drain Pull-Start transport location) Warning Engine Oil Control Master 12Volt Labels Dipstick Power Switch Output Nameplate (inside door) Indicator...
  • Page 15 Exhibit 4 - Generator Base Exhaust Assembly Muffler and Port Generator Service Access Door Mounting Holes of Rubber-Isolation Feet Purge Line Fuel Line Air Outflow (green arrows indicate direction Air Intake of airflow) (green arrows Mounting Holes of indicate direction Rubber Isolation Feet of airflow) Page 15 of 55...

  • Page 16: Installation Kit

    NPS Generators NPS Generator should be installed using only NPS authorized parts, installation equipment and kits as listed below. Failure to do so may void NPS' Limited Warranty and may result in death or extreme bodily injury to installer or operator Any non-motorized RV, to be powered by an NPS Generator Y6000eco, must be previously prepped with an ECI certified NPS fuel connection system.
  • Page 17 Should this preliminary inspection reveal any factory installed Generator components to be out of compliance with this Guide contact the dealer or NPS at for guidance, prior to commencing with the Generator installation.
  • Page 18 Exhibit 5 - Generator Installation Kit Grade 8 Installation Start/Stop Switch w/wires Yamaha Owners Generator Installation Bracket Manual Floor Cut-out Template Page 18 of 55 Rev. 1...
  • Page 19 Exhibits 6, 7, 8 and 9 exhaust pipe or Generator air intake. See Install location will determine length of down pipe to be used from NPS provided with Exhaust Kit. See Exhibit 6, 7, 8 and 9 Generator shall be installed to ensure air intakes are protected and shielded from foreign contaminates and road debris during transportation and operation.
  • Page 20 E. Generator Install Location Use provided Generator Installation Bracket Floor Cut-out Template to verify the metal mounting bracket was made correctly and holes and air intake and air outflow areas are cut correctly. See Exhibits 5 and 16 Install Generator in a way which does not inhibit the removal of the Generator Service Access Door for proper and routine operation and maintenance.
  • Page 21 Generator and the ground and extending 914 mm (3') from the Generator in all directions, must be free and clear of any debris, obstructions, or non-factory installed equipment. NPS reserves the right to allow modifications of these heights only with written approval.
  • Page 22 G. Generator Housing, Installation and Mounting DANGER! CO POISONING and ENGINE EXHAUST INHILATION Gasoline-powered engines and tools present a serious health hazard. They produce high concentrations of CO and other toxic substances in their associated fumes and vapors which, when inhaled in high concentrations, may result in death or extreme bodily injury to the installer.
  • Page 23 G. Generator Housing, Installation and Mounting Generator and exhaust assembly must be mounted and installed in the designated locations where exhaust vapors are kept from entering the living area of RV both from Generator housing, windows or other exterior source points. Failure to adhere to warnings, clearance requirements and properly seal housing may result in extreme bodily injury or death to installer or operator Generator Housing must be constructed in accordance with all RVIA/ANSI,...
  • Page 24 Generator Installation Bracket then through pre-attached rubber isolation feet. See Exhibit G.10 Use a torque wrench or torque stick for installation of the NPS supplied installation Grade 8 steel bolts (6) 5/16-18 NC. Lengths for Grade 8 steel bolts are: • for towable segment RVs, 31.75mm (1.25") o Torque should be 27.116 Nm (20 ft-lbs)
  • Page 25 Spark Arrester The Generator exhaust is equipped with a U.S. Forest Service approved spark-arrest muffler. NPS generators are designed with a spark-arrest feature in order to meet U.S Forest Service requirements. Spark arrestors should not be removed. Removal of, or failure to install the spark arrestor, may be a violation of state law.
  • Page 26 • DO NOT smoke or permit others to smoke at or near install location Use only the approved NPS Y6000eco exhaust kit for all NPS Generator Model installations. The generator exhaust system is engineered to prevent exhaust gases from entering into the living area of the RV.
  • Page 27 304.8 mm (12") from any combustible materials and a minimum of 914.4 mm (3') from access or openings into the living area or unsealed storage area of RV including doors, windows, etc. NPS reserves the right to allow modifications of these heights only with written approval.
  • Page 28 H. Exhaust Kit Installation Fifth-wheel Exhaust Assembly Install Configuration: H.13 Connect horizontal portion of Exhaust pipe to Exhaust Support Strap utilizing the Exhaust Support Strap Clamp. See Exhibits 6, 7, 8 and • Tighten bolts on Support Strap Clamp. • Exhaust assembly (exhaust pipes, downpipes and flanges) must be connected to horizontal portion of Exhaust Pipe to prevent Exhaust Pipe from being moved or Exhibits 6, 7, 8 and pushed back under edge of trailer skirting.
  • Page 29 Exhibit 6 - Y6000eco Exhaust Kit Exhaust Pipe Support Strap Downpipe Flange Exhaust Pipe Support Strap Clamp Bolt (2) Downpipe Exhaust Pipe Support Strap Clamp Self-tapping Exhaust Pipe Flange Exhaust Pipe Spark Arrester Spark Arrester Set screw Page 29 of 55...
  • Page 30 Exhibit 7 - Fifth-Wheel Generator Exhaust Assembly Exhaust Pipe Flange Exhaust – Exhaust hanger Spark Pipe Arrester End of Exhaust Pipe must extend no less than 25.4 mm (1") beyond outer metal skirting or trim Clearance minimum of 76.2 mm or (3") and maximum of 101.6 mm or (4") from bottom of fifth-wheel skirting to top of Exhaust Pipe...
  • Page 31 Exhibit 8 - Fifth-wheel Generator Exhaust Placement Fifth-wheel Tow Hitch Exhaust Pipe and Exhaust Support Strap Generator Fifth-wheel Generator Service Access Door Fifth-wheel Skirting Exhaust should be installed so the horizontal portion of the Exhaust Pipe is level. When possible, downpipe should be omitted to maintain a clearance minimum of 76.2 mm or (3") and maximum of Exhibit 101.6 mm or (4") from bottom of fifth-wheel skirting to top of Exhaust Pipe.
  • Page 32 Exhibit 9 - Bumper-Pull Exhaust Assembly Configuration Trailer Skirting Minimum Exhaust Exhaust Pipe clearance of 304.8mm (12") Support Strap required from bottom of Clamp and Exhaust Pipe to Ground Bolts Depending on the bumper-pull model, the trailer skirt may or may not need to be trimmed out around the Exhaust Pipe to ensure proper minimum clearance distances.

  • Page 33: Electrical Connection

    (29 CFR 1910.333(c)(8)) • NPS recommends working on dry non-conductive material • Ensure clothes, hands and hair are dry • Condition specific PPE, including safety glasses, must be worn to protect eyes and...
  • Page 34 Access Door, Fuel Connections, Electrical Connections, Remote Control Panel) and every ten (10) hours of operation thereafter • NPS' Generators are not designed to be a primary source of power for life support systems or devices but can support temporary operating or charging of...
  • Page 35 I. Electrical Connection AC Power Connection (120 Volt) - Generator to RV Transfer Switch (continued) I.10 Locate the liquid-tight conduit attached to the Generator, containing the 120 Volt leads. See Exhibit I.11 Familiarize yourself with the RV transfer switch manufacture guidelines, prior to attempting an electrical connection from the Generator to the transfer switch.
  • Page 36 I. Electrical Connection DC Power Connection (12Volt) - Generator to RV Battery Compartment I.17 DANGER! ELECTRICAL ARC, SHOCK and FIRE HAZARD Prior to performing any work on the DC Power Connection, verify the black negative (-) cable is disconnected and the battery is de-energized. Failure to disconnect negative (-) cable may create an electrical arc flash, spark or fire and could result in death or extreme bodily injury to the installer or operator.
  • Page 37 • Some RV models may not use the Remote Start Panel or any/all of the Remote Start Wiring Harness or connections, please refer to your RV model manufacturer specifications for guidance or contact NPS at (866) 407-1727 or www.npsrvpower.com. Page 37 of 55...
  • Page 38 I. Electrical Connection Remote Start Panel Connection (continued) I.28 At the Remote Start Panel: • Connect the Generator Hours Meter Connector lock-clip (green and white wires pre-installed on the Remote Start Panel) to the Remote Start Wiring Harness corresponding lock-clip (brown and orange wires) See Exhibits 11 and •...
  • Page 39 Exhibit 10 - AC Power and Fuel Connectors Fuel Vapor Purge Line (capped at factory and to remain Fuel Line capped in motorized applications) Rubber Grommet For Wiring Harness DC Power Battery Connection Electrical Harness 12Volt Ground Connecting Generator to RV Output Liquid-tight Conduit Connector...
  • Page 40 Exhibit 11 - Electrical Components Stop Butto Remote Start Panel Start (inside RV front Hand-held Butto Remote Start/Stop Keyfob (back view with ID l b l) Start Button Hand-held Indicator Remote Start/Stop Keyfob (front view) Generator Start/Stop/Prime Hours Switch Remote Start Panel (inside RV...
  • Page 41 Exhibit 12 - Wiring Harness - Remote Start Panel Connections Top of Remote LCI One Control Start Panel System (orange jumper) (front) Bottom of Remote Start Wiring Remote Start Harness lock-clip Panel (back side) (orange and brown wires) Generator Hours Meter lock-clip (green and white wires, pre-installed on Remote...
  • Page 42 Exhibit 13 - Wiring Harness Connectors DC Power (12Volt red Female-end Positive (+) Connector Battery Connection) Female-end Connector (wire color and Battery placement) Ground Stop (green Run Light Start Hour Meter (red (orange wire) Start light Battery (blue wire) Generator Service Warning DC Power Access Door...
  • Page 43 Exhibit 14 - Wiring Harness - Connections at Generator Rubber Grommet Rubber for Wiring Grommet Harness Generator with Wiring Harness (outside Service threaded (inside Generator) Access Generator) Door (open) Wiring Harness to Remote Start Panel Black female-end Connector to Remote Start Panel Wiring Harness DC Power (fully connected...

  • Page 44: Fuel Connection

    ECI fuel system built specifically for connecting to NPS Generators. RV models equipped with a NPS ECI fuel system will be identified by a red tag. Exhibit • If this tag is not present or cannot be located on the fifth-wheel or bumper-pull, DO NOT proceed with the installation of the Generator.
  • Page 45 J.12 Secure tightly with the RV Manufacturer provided purge line clamp. • In motorized RV applications, purge line will not be used and shall remain capped as received from NPS. J.13 Check connection for any leaks of fuel or vapors.

  • Page 46: Installation Overview

    Verify correct 12Volt circuit has been installed in accordance with the Manufacturer and NPS specifications. All Y6000eco Generator come pre-filled with 10W40 break-in oil which must be replaced with YAMALUBE 10W40 following initial twenty hours (20) of use. • Inspect and verify engine oil is full prior to initial start. Failure to replace oil at initial twenty (20) hour interval or at specified maintenance intervals thereafter, may void NPS' Limited Warranty.

  • Page 47: Initial Start-Up

    L. Initial Start-up Once all items in Section "K. Installation Overview" have been verified. Turn on the 12 volt master switch. Locate the Start/Stop switch at the Control Panel located on the Generator inside the Service Access Door. See Exhibit •...
  • Page 48 Start button (the indicator light next to the Start button should illuminate), if operating properly, apply load and your NPS Generator is ready to be used • If the indicator light on the Hand-held keyfob does not illuminate when you push the button, try again.

  • Page 49: Troubleshooting

    • Inspect the breakers and GFCI inside the RV to see if they have tripped. If tripped, then reset, o If they will not reset or still will not power, then contact your dealer or NPS. NPS offers full support for service, warranty and technical assistance through www.NPSrvpower.com or 1-866-407-1727 during normal business hours (9:00 am -...
  • Page 50 • Oil Alert Light blinks when the oil level is too low. In this case, the engine will shut down automatically and the Oil Alert Light will remain illuminated. NPS offers full support for service, warranty and technical assistance through www.NPSrvpower.com or 1-866-407-1727 during normal business hours (9:00 am-5:00pm (MST)) if assistance is requested outside normal business hours, leave a message or send an email and a team member will assist you as soon as possible.
  • Page 51 Keyfob and Generator wireless signals are successfully matched. • If your Hand-held Remote-Start Keyfob still does not work, then contact your dealer or NPS directly. NPS offers full support for service, warranty and technical assistance through www.NPSrvpower.com or 1-866-407-1727 during normal business hours (9:00 am-5:00pm...
  • Page 52 Exhibit 3: Generator Components Located within the Service Access Door Exhibit 4: Generator Base Exhibit 5: Generator Installation Kit Exhibit 6: Y6000eco Exhaust Kit Exhibit 7: Fifth-Wheel Generator Exhaust Assembly Exhibit 8: Fifth-Wheel Exhaust Placement Exhibit 9: Bumper-Pull Exhaust Assembly Configuration...
  • Page 53 Quick Reference Contacts and Service N.P.S. Company, LLC Western HQ: 5252 W. Industrial Drive Unit 2 Hurricane, UT, 84737 Eastern HQ: 2904 Airport Parkway Elkhart, IN, 46514 Service and Warranty Information Toll Free: (866) 407-1727 www.npsrvpower.com npsclaims@npsrvpower.com Page 53 of 55 Rev.
  • Page 54 Exhibit 15 - Wiring Diagram Page 54 of 55 Rev. 1...
  • Page 55 Exhibit 16 - Generator Installation Bracket Floor Cut-out Template (measurements are in millimeters)) Page 55 of 55 Rev. 1...
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