Jandy JXi 200 Installation And Operation Manual
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Jandy JXi 200 Installation And Operation Manual

Gas-fired pool and spa heater
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JXi
Gas-Fired Pool and Spa Heater
™
Models:
200
260
400
FOR YOUR SAFETY – This product must be installed and serviced by a contractor who is licensed and qualified in pool equipment by the jurisdiction in which the product will be installed
where such state or local requirements exist. The maintainer must be a professional with sufficient experience in pool equipment installation and maintenance so that all of the instructions
in this manual can be followed exactly. Before installing this product, read and follow all warning notices and instructions that accompany this product. Failure to follow warning notices
and instructions may result in property damage, personal injury, or death. Improper installation and/or operation may void the warranty.
Improper installation and/or operation can create unwanted electrical hazard which may cause serious injury, property damage, or death.
ATTENTION INSTALLER – This manual contains important information about the installation, operation and safe use of this product. This information should be given
to the owner/operator of this equipment.
Installation and Operation Manual
WARNING

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Questions and answers

Roger Cross
February 11, 2025

After a successful ignition of JXI260P and approximately 10 minutes of run time there is an uncontrolled ignition event. The the combusted gas exits the exhaust manifold. The audible report is at the level of a 12 gauge shot gun. The gas pressure was verified at the control valve inlet. ID plate JXI260P Serial number LT EC02 0501 0520 0981

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Summary of Contents for Jandy JXi 200

  • Page 1 Installation and Operation Manual Gas-Fired Pool and Spa Heater ™ Models: WARNING  FOR YOUR SAFETY – This product must be installed and serviced by a contractor who is licensed and qualified in pool equipment by the jurisdiction in which the product will be installed where such state or local requirements exist.

  • Page 2: Table Of Contents

    Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ Table of Contents Section 1. General Information ......4 Section 5. Water Connections ......23 1.1 Introduction ............ 4 5.1 Pump Sizing ..........23 1.2 Important Safety Instructions ......4 5.2 Plumbing Connections .........
  • Page 3 Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ Section 8. Operating Instructions ....37 Section 11. Professional Service and Maintenance ........48 8.1 Important Safety Instructions ....... 37 11.1 Header Bypass Reassembly 8.2 First-Time Start-Up Procedure..... 38 Recommendations ........

  • Page 4: Section 1. General Information

    READ AND FOLLOW ALL INSTRUCTIONS Introduction This manual provides installation and operation instructions for the Jandy JXi pool and spa gas heater product line. Read these installation and operation instructions completely before proceeding with the installation. Consult Zodiac Pool Systems LLC (“Zodiac”) with any questions regarding this equipment. To obtain additional copies of this manual contact us at 800-822-7933.

  • Page 5: Warranty

    If change is required to any of the above; See section 5.3 for adjustment instructions. contact your local Jandy distributor, visit www.jandy.com or call technical support at Review Special Precautions for liquid propane heaters (Section 4.3) 800.822.7933.

  • Page 6: Dimensions

    All Jandy heaters must be installed in accordance with the local building and installation codes as per the utility or Authority Having Jurisdiction (AHJ). In the absence of local codes, please refer to the latest edition of the national codes for installation.

  • Page 7: Heater Components

    Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ Heater Components Header Monitors temperature at the exhaust flue. If Senses water temperature by Flue Temperature Sensor Pool/Spa Water Temperature Control excessive temperatures are detected, means of a thermistor. Heater combustion will stop and a fault will be displayed.

  • Page 8: Section 2. Getting Started

    Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ Section 2. Getting Started The requirements for pool heaters include the following: Install the JXi in accordance with the procedures • Field assembly (if required) in this manual, local codes and ordinances, and in •...

  • Page 9: Required Equipment

    Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ Required Equipment Please ensure that the following equipment is available to the installer at the time of installation. 2.2.1 Tools Flathead Safety Eyewear Gloves Phillips Screwdriver Pipe Wrench...

  • Page 10: Section 3. Location Requirements

    Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ Section 3. Location Requirements Equipment can weigh up to 156 lbs. (57 kg). Use suitably rated mounting surface materials to avoid The JXi heater is shipped from the factory with an risk of settlement, and never use sand to level the exhaust vent confi gured for outdoor installation.

  • Page 11: Outdoor Installations

    Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ Outdoor Installations • Away from rainwater runoff • Away from potential sprinkler water intrusion Locate the heater: • So that the top of the heater is at least 3 feet (1 m) below any overhang •...
  • Page 12 Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ 3.2.1 Anchor Bracket Installation NOTE: Concrete screws are not provided in the anchor bracket kit. Use size 1/4 in x 2-1/4 in galvanized Anchor brackets do not come standard with the or plated concrete screws and washers.

  • Page 13: Indoor And Outdoor Shelter Installation

    Any equipment which All outdoor 50 in shelter and exhausts air from the room where the heater 323 cm JXi 200 indoor installations 65 in is installed can deplete the combustion air must have JXi 260...
  • Page 14 Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ WARNING Do not store any chemicals, cleaners, or other corrosive material near combustion air openings or in the room. Avoid locating appliance vents in the vicinity of combustion air openings. Failure to prevent corrosive materials from mixing with combustion air can result in reduced heater life and unsafe heater operation.
  • Page 15 Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ • Locate the vent terminal so that it will not be Connect the vent pipe to the heater vent collar damaged by pedestrians and other traffi c, and so with an air-tight corrosion-resistant clamp.
  • Page 16 Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ 3.3.5 Exhaust Venting • Vent opening should be well away from landscaping or other obstructions that would When the JXi heater is installed indoors or in an prevent free air flow to and from vent terminal.
  • Page 17 Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ It is recommended that all venting be engineered by a licensed mechanical contractor National Fuel Gas code ANSI Z223.1 (NFPA ® ® Codes* CAN/CSA-B149.1 Pipe Sizing Special Gas Vent Length †...
  • Page 18 Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ 3.3.6 Indoor and Outdoor Shelter Exhaust Double check that there are no possible leak Conversion paths between joints. If a leak path is identifi ed or suspected it can be sealed using red RTV 600° F For both Category I and Category III vent types the rated silicone adhesive.
  • Page 19 Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ 3.3.7 Indoor and Outdoor Shelter Exhaust Category III: Appliance can be vented vertically Termination to terminate at the roof or vented horizontally to terminate at a side wall. Side wall vents must be...
  • Page 20 Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ Vent the heater vertically using Al29-4C stainless steel components. Consult manufacturers such Exhaust Outlet as Z-Flex or Heat Fab to obtain approved ® ® Exhaust Grill components. Venting materials must comply with Backplate 1738 for Category III, Special Gas Vent.

  • Page 21: Section 4. Gas Connections

    Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ Section 4. Gas Connections WARNING Gas piping installation must be in accordance with The JXi pool and spa heaters are designed for use with either natural the latest edition of ANSI Z223.1 and all local codes.

  • Page 22: Gas Inlet Pressure

    Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ ATTENTION Do not use fl exible appliance connectors on any gas connections unless the connector is CSA approved for outdoor installation, and is marked with the BTUH capacity (which must be equal to or greater than the heater rated input) and the type of gas (Natural or LP). Also, any fl exible connectors, such as CSST buried underground must be certifi ed for underground installation and meet all applicable codes.

  • Page 23: Section 5. Water Connections

    Min gpm (lpm) Max gpm (lpm) and thermal regulator valve (TRV) to accommodate fl ow rates delivered to the heater from a minimum of JXi 200 30 (114) 100 (379) 30 gallons per minute (gpm) to a maximum fl ow of...

  • Page 24: Plumbing Connections

    Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ 20.0 JXi 200K BTU Heater JXi 260K BTU Heater 18.0 JXi 400K BTU Heater JXi VersaFlo™ Bypass 16.0 14.0 12.0 10.0 Flow Rate (GPM) Figure 10. Head Loss Chart For ASME heater models JXi400NC, JXi400PC, JXi260NC and JXi260PC please go to “Appendix A.
  • Page 25 Section 5.1.1. Figure 12. • Use approved NSF adhesive to glue the tailpiece The top inlet is intended for use with the Jandy Versa onto the cut pipe, or sweep elbow. Plumb sweep elbow. Plumbing in this confi guration ®...

  • Page 26: Water Pressure Switch Adjustment

    Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ • Repeat the above steps for the manifold outlet. Union Nut Sweep Elbow Again paying special care to ensure proper Cut Pipe seating of the union tailpiece o-ring.

  • Page 27: Check Valve Installation

    A pressure relief valve is not supplied with the JXi heater. However, Jandy does offer a PRV Kit # R0336101. The following instructions are for use with this kit only. All other equipment installations need to be in accordance with the manufacturers instructions.
  • Page 28 Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ 5.5.1 Install Pressure Relief Valve Kit R0336101 For ASME heater models JXi400NC, JXi400PC, JXi260NC and JXi260PC please go to “Appendix A. ASME Header” on page 55. ®...
  • Page 29 Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ Header Type “A” Header Type “B” For header type B: Assemble the 3/4 in threaded Install a discharge pipe from the pressure relief nipple, elbow and pressure relief valve. Make sure to valve discharge opening to a safe area.

  • Page 30: Auxiliary Components, Chlorinators, Ozone Generators And Sanitizing Chemicals

    All questions should be directed to technical support • Always follow pool chemical manufacturer’s at 800.822.7933. Additional information can be instructions when adding chemicals to pool. found at www.jandy.com. Be sure to adhere to the following: Section 6. Electrical Connections Alternate 120V Wiring*...

  • Page 31: Service Access

    Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ Wiring connections must be made exactly as shown The heater comes factory-wired for installation with in the wiring diagram found on the inside of the 240 Volt, 60 Hz AC fi eld electrical supply. If the heater door.

  • Page 32: Input Voltage And Conversion

    Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ Maintenance Disconnect Means - The National Secure the conduit to the heater body panel at Electrical Code (NEC ) requires one or more ® ® the knockout using a suitable conduit connector or means to simultaneously disconnect all ungrounded elbow.

  • Page 33: Bonding

    Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ Figure 16. Input Conversion Process Bonding National Electrical Code (NEC ) requires bonding ® ® of the Pool Water. Where none of the bonded In the United States the National Electrical Code ®...

  • Page 34: Section 7. Optional Remote Controls

    If you are setting up a new pool or spa system, or if you have any questions about your heater control system, please call Jandy technical support at 800.822.7933. Connecting to Remote Pool-Off-Spa • Connect the three wires to the Spa, Pool &...

  • Page 35: Smart" Communication Via Rs-485

    Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ 7.2.1 Install the Remote TSTAT NOTE: If you install a time clock to control the filter pump operation, it is recommended that the time clock • Turn off the power to both the pool/spa control have its own low voltage (Fireman’s) switch to...
  • Page 36 Multiplex the four wires from the indoor controller. PCB Kit, which includes the Multiplex Board (part # 6584) must be used. Call Jandy Technical Support at • Check all wiring, then apply power to both the 800.822.7933 with any questions.

  • Page 37: Section 8. Operating Instructions

    7.3.3 To Stop the Heater and Prevent Firing • After pressing menu, the display will show After Connecting to An External Controller JANDY REMOTE OFFLINE PUSH MENU TO ENABLE. • Turn power to the heater ON. The heater display shows: JANDY REMOTE ONLINE PUSH MENU TO DISABLE.

  • Page 38: First-Time Start-Up Procedure

    Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ First-Time Start-Up Procedure • Confi rm that pool water is fl owing normally through the pool system and equipment. WARNING • If it is a new pool or spa installation, operate the...

  • Page 39: To Turn Off Gas To The Heater

    Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ To Turn Off Gas to the Heater • Remove the rear panel or top. • Set temperature thermostat controls to their • Toggle gas control switch to OFF.

  • Page 40: Operating The Controller

    Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ Operating the Controller Unless the heater is connected to a remote GAS HEATER IS OFF controller, all operations are set up and programmed PRESS POOL OR SPA through the control panel on the top of the heater.

  • Page 41: Performing Seasonal Shutdown

    Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ To Maintain Pool or Spa Heat: Performing Seasonal Shutdown (Requires additional external relay and wiring and Complete shutdown instructions are as follows. must be setup in installer configuration) Refer to Figure 21.

  • Page 42: Section 9. Maintenance

    Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ Section 9. Maintenance The TRV ensures the heater operates at it’s optimal efficiency and if properly maintained will extend the If the heater is not going to be used for an extended life of the heater.

  • Page 43: Swimming Pool Energy Saving Tips

    Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ 9.1.1 Saturation Index The practice of putting tablet-based sanitizer in the skimmer basket can produce heavily chlorinated PH, Total Alkalinity (TA), temperature, Calcium water with very low pH. If this comes in contact...

  • Page 44: Winterizing

    Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ • Where possible, shelter the pool from prevailing • The greatest source of heat loss in a swimming winds with well-trimmed hedges or other pool is through evaporation. It can account for landscaping, cabanas, or fencing.
  • Page 45 • Inspect the combustion blower for damage. a year or as needed. Routine inspections are a critical to the safety and long life of your Jandy pool • Conduct a normal operating cycle and observe that the sequence proceeds as intended.

  • Page 46: Section 10. Troubleshooting

    Zodiac Pool Systems LLC strongly recommends that you call a qualified service technician to perform all service and repairs on the heater. To locate a licensed or qualified technician service company, call Jandy Technical Support at 800.822.7933, or visit www.jandy.com.

  • Page 47: Service Diagnostic Messages

    Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ 10.2 Service Diagnostic Messages The controller monitors several functions of the heater. In the event of a malfunction, the controller will display a FAULT message. The following table lists the Heater Service Messages along with potential causes and remedies.

  • Page 48: Ignition Control Led Service Codes

    Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ 10.3 Ignition Control LED Service Codes In addition to service diagnostic messages, the ignition controller has an LED light that flashes to indicate various ignition control faults. The table below lists the LED codes and the corresponding fault description. To diagnose possible cause and remedy, refer to Section 10.2, Service Diagnostic Messages.

  • Page 49: Section 12. Spare Parts

    Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ Section 12. Spare Parts Using genuine Zodiac factory replacement parts helps to ensure the ongoing quality and reliability of our products. Unauthentic parts might seem okay on the surface, but they often fall short of factory standards, and they typically lack the backing you get from an established, global manufacturer like Zodiac.

  • Page 50: Cabinet Assembly Spare Parts List And Exploded Parts Diagram

    Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ 12.2 Cabinet Assembly Spare Parts List and Exploded Parts Diagram For ASME heater models JXi400NC, JXi400PC, JXi260NC and JXi260PC please go to “Appendix A. ASME Header” on page 55.

  • Page 51: Heat System Spare Parts List And Exploded Parts Diagram

    Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ 12.3 Heat System Spare Parts List and Exploded Parts Diagram The following JXi Models are equipped with a Cupronickel (CuNi) heat exchanger. • JXI260NN • JXI400NN •...
  • Page 52 Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ 12.3.2 Burner Assembly model 200 model 260 model 400 Key No Description **LP Blower Assembly Kit R0591100 R0591100 R0591100 R0591100 R0591100 R0591100 Air Intake Grate Kit R0591200...

  • Page 53: Water System Spare Parts List And Exploded Parts Diagram

    Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ 12.4 Water System Spare Parts List and Exploded Parts Diagram For ASME heater models JXi400NC, JXi400PC, JXi260NC and JXi260PC please go to “Appendix A. ASME Header” on page 55.

  • Page 54: Electrical System Spare Parts List And Exploded Parts Diagram

    Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ 12.5 Electrical System Spare Parts List and Exploded Parts Diagram Key No* Description model 200 model 260 model 400 Ignition Control Kit R0456900 R0456900 R0456900 Transformer Kit...

  • Page 55: Section 13. Appendix A. Asme Header

    Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ Section 13. Appendix A. ASME JXi260PC and JXi260PS. The corresponding sections from the manual are cross referenced with Header page numbers at the beginning of each section.

  • Page 56: Pump Sizing

    Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ Item Description Qty. JXi Heater Connector Flange 2 2” Sleeve 2” Gasket Flange Bolt Flange Washer 75 psi Pressure Relief Valve Kit 13.3 Pump Sizing (from “Section 5.1 Pump...
  • Page 57 Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ 13.3.1 Water Inlet Piping (from “Section 5.2.2 NOTE: When connecting CPVC pipe to the metal recepticle Zodiac Pool Systems LLC recommends Water Inlet Piping” on Page 50)
  • Page 58 Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ 13.3.2 Install Pressure Relief Valve kit #R0336102 Assemble the 3/4” threaded nipple and elbow. Make sure to get a sung fi t. Do not overtighten. Please double check that you have all necessary parts to complete the installation.

  • Page 59: Cabinet Assembly Spare Parts List And Exploded Parts Diagram

    Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ 13.4 Cabinet Assembly Spare Parts List and Exploded Parts Diagram (From Section “12.2 Cabinet Assembly Spare Parts List and Exploded Parts Diagram” on page 50) Key No...
  • Page 60 Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ 13.4.1 Combustion Chamber Assembly (From Section “12.3.1 Combustion Chamber Assembly” on page 51) Key No Description model 260 model 400 Exhaust Elbow Assembly Kit R0590200 R0590200 Band Clamp Kit...

  • Page 61: Water System Spare Parts List And Exploded Parts Diagram

    Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ 13.5 Water System Spare Parts List and Exploded Parts Diagram (From Section “12.4 Water System Spare Parts List and Exploded Parts Diagrams” on page 53) Key No...
  • Page 62 Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ NOTES Page 62...
  • Page 63 Jandy Gas-Fired Pool and Spa Heater | Installation & Operation Manual ® ™ NOTES Page 63...
  • Page 64 Zodiac Pool Systems LLC 2882 Whiptail Loop # 100 Carlsbad, CA 92010, USA Jandy.com | 1.800.822.7933 Zodiac Pool Systems Canada, Inc. 2-3365 Mainway Burlington, ON L7M 1A6, Canada Jandy.ca | 1.800.822.7933 A Fluidra Brand ©2023 Zodiac Pool Systems LLC. All rights reserved. ZODIAC is a registered trademark of Zodiac International, ®...

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