Table of Contents
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Jandy
®
Pool and Spa
Heater by Zodiac
ModeL Zodiac LRZ MiLLivoLt
NatuRaL GaS aNd LP
Note: LP Gas for
outdoor use only
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
exists. In the event no such state or local requirement exists, the installer or 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 can create carbon monoxide gas and flue gases which can
cause serious injury, property damage, or death. For indoor installations, as an additional measure of safety, Zodiac
Pool Systems, Inc. strongly recommends installation of suitable Carbon Monoxide detectors in the vicinity of this
appliance and in any adjacent occupied spaces. Improper installation and/or operation will void the warranty.
Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other
appliance.
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use any phone in your building.
• Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier's instructions.
• If you cannot reach your gas supplier, call the fire department.
Installation and service must be performed by a qualified installer, service agency or the gas supplier.
Legacy
™
If these instructions are not followed exactly, a fire or explosion may result,
causing property damage, personal injury, or death.
iNStaLLatioN aNd
oPeRatioN MaNuaL
eNGLiSH
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Table of Contents
Troubleshooting
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Summary of Contents for Zodiac Jandy Legacy LRZ Millivolt
- Page 1 Improper installation and/or operation can create carbon monoxide gas and flue gases which can cause serious injury, property damage, or death. For indoor installations, as an additional measure of safety, Zodiac Pool Systems, Inc. strongly recommends installation of suitable Carbon Monoxide detectors in the vicinity of this appliance and in any adjacent occupied spaces.
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Page 3: Table Of Contents
Jandy ® Legacy™ Model LRZM Pool/Spa Heater by Zodiac ® ENGLISH Page 3 Installation and Operation Manual table of contents Section 1. General information ...... 5 Section 6. electrical........21 Introduction ............5 Main Power .............21 Consumer Information and Safety ....5 Bonding ............21... - Page 4 Page 4 Jandy ® Legacy™ Model LRZM Pool/Spa Heater by Zodiac ® ENGLISH Installation and Operation Manual table of contents (continued) Section 11. Replacement Parts ....38 11.1 Ordering Information ........38 11.2 Parts List ............39 11.3 General Exploded View ........41...
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Page 5: Section 1. General Information
Jandy ® Legacy™ Model LRZM Pool/Spa Heater by Zodiac ® ENGLISH Page 5 Installation and Operation Manual Section 1. General information WaRNiNG The U.S. Consumer Product Safety Commission warns that elevated water temperature can be introduction hazardous. Consult heater operation and installation... -
Page 6: Swimming Pool Energy Saving Tips
Page 6 Jandy ® Legacy™ Model LRZM Pool/Spa Heater by Zodiac ® ENGLISH Installation and Operation Manual • Failure to perceive heat Warranty The Legacy heater is sold with a limited factory • Failure to recognize need to leave spa warranty. -
Page 7: Technical Assistance
Jandy ® Legacy™ Model LRZM Pool/Spa Heater by Zodiac ® ENGLISH Page 7 Installation and Operation Manual technical assistance Specifications Consult Zodiac Pool Systems, Inc. or your local 1.7.1 General Specifications Jandy distributor with any questions or problems involving the specifications, installation, and opera- Installation Location: tion of your Jandy equipment. -
Page 8: Dimensions
Page 8 Jandy ® Legacy™ Model LRZM Pool/Spa Heater by Zodiac ® ENGLISH Installation and Operation Manual are available from your Jandy dealer or by Install the Legacy heaters, vent caps and draft- contacting the Technical Support Department hoods in accordance with the procedures in this at (800) 822-7933. -
Page 9: Clearances
Jandy ® Legacy™ Model LRZM Pool/Spa Heater by Zodiac ® ENGLISH Page 9 Installation and Operation Manual 7 5/8" 16" 10 3/8" 5" 8" 41" 39 3/8" 28 1/2" 13 1/8" 2 3/4" Venting Dimensions Heater Width U.S. Indoor or Firing Rate U.S. -
Page 10: Flooring
Page 10 Jandy ® Legacy™ Model LRZM Pool/Spa Heater by Zodiac ® ENGLISH Installation and Operation Manual table 2. Minimum Heater clearances From combustible Surfaces table 2. dégagements Minimaux à assurer entre les Parois de L'appareil et les constructions combustibles... - Page 11 Jandy ® Legacy™ Model LRZM Pool/Spa Heater by Zodiac ® ENGLISH Page 11 Installation and Operation Manual structures might cause downdraft conditions. Where WaRNiNG downdraft conditions exist, locate the heater at least united States three (3) feet (0.91 m) from vertical surfaces (e.g., Do not install the heater with the top of the vent as- nearby buildings and walls).
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Page 12: Section 3. Venting
Page 12 Jandy ® Legacy™ Model LRZM Pool/Spa Heater by Zodiac ® ENGLISH Installation and Operation Manual and combustion air are essential for the safe and be followed for safe and proper operation. The efficient operation of the heater, see Section 3. An... -
Page 13: Vent Pipe Sizing And General Installation
Jandy ® Legacy™ Model LRZM Pool/Spa Heater by Zodiac ® ENGLISH Page 13 Installation and Operation Manual These requirements are summarized in Table If the heater cannot be placed so as to meet the 3. Note that the areas specified are net free areas and requirements stated in Section 2.3.4, a vent pipe and... -
Page 14: Inspection And Replacement Of Existing Vent System With New Components
Page 14 Jandy ® Legacy™ Model LRZM Pool/Spa Heater by Zodiac ® ENGLISH Installation and Operation Manual Section 4. Gas connections Avoid terminating heater vents near air condi- tioning or air supply fans. The fans can pick up exhaust flue products from the heater and return them Gas Supply and Piping inside the building, creating a possible health hazard. -
Page 15: Manifold Pressure
Jandy ® Legacy™ Model LRZM Pool/Spa Heater by Zodiac ® ENGLISH Page 15 Installation and Operation Manual APPROVED Install a manual gas shutoff valve for service and safety. Do not use a restrictive gas cock. DO NOT USE FLEXIBLE GAS PIPING, it will restrict the gas flow to the heater. -
Page 16: Special Precautions For Lp Gas
Page 16 Jandy ® Legacy™ Model LRZM Pool/Spa Heater by Zodiac ® ENGLISH Installation and Operation Manual The manifold pressure may be checked by B149.1, latest edition), and any other local codes and connecting a manometer to the pressure port on the fire protection authorities about specific installation outlet side of the valve. -
Page 17: Check Valve Installation
Jandy ® Legacy™ Model LRZM Pool/Spa Heater by Zodiac ® ENGLISH Page 17 Installation and Operation Manual Note that when pool equipment is located below the pool surface a leak can result in large scale water loss or flooding. Zodiac Pool Systems, Inc. cannot be responsible for such water loss or flooding or the damage caused by it. - Page 18 Page 18 Jandy ® Legacy™ Model LRZM Pool/Spa Heater by Zodiac ® ENGLISH Installation and Operation Manual For an existing installation, drain the heater by Note Do not reverse the position of the bypass. removing the two drain plugs on the inlet/outlet 13.
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Page 19: Connections At Heater
Jandy ® Legacy™ Model LRZM Pool/Spa Heater by Zodiac ® ENGLISH Page 19 Installation and Operation Manual coupling. Slide the coupling nut up to the coupling and 20. Reinstall the temperature sensor in the inlet/ tighten it to the threaded connection on the header. See outlet header and tighten the nut. -
Page 20: Auxiliary Components, Chlorinators, Ozone Generators, And Sanitizing Chemicals
Page 20 Jandy ® Legacy™ Model LRZM Pool/Spa Heater by Zodiac ® ENGLISH Installation and Operation Manual 12. Wrap the threads of the adapter with a suitable tefl on thread tape. 13. Reinstall the adapter, with the PRV, into the... -
Page 21: Section 6. Electrical
Jandy ® Legacy™ Model LRZM Pool/Spa Heater by Zodiac ® ENGLISH Page 21 Installation and Operation Manual feeder. A minimum of 18" (46 cm) is required between the heater and the check valve. • Wire any electrical chemical feeder so that it... -
Page 22: Connection Diagram
Jandy Legacy LRZ Lighting and Shutdown Instructions ® Page 22 Jandy ® Legacy™ Model LRZM Pool/Spa Heater by Zodiac ® ENGLISH Installation and Operation Manual are located on the backside of this Wiring Diagram MILLIVOLT HEATER ELECTRICAL DIAGRAM Schéma Électrique Du Chauffe-Eau Modèle Millivolt 150°... -
Page 23: Section 7. Operating Instructions
Jandy ® Legacy™ Model LRZM Pool/Spa Heater by Zodiac ® ENGLISH Page 23 Installation and Operation Manual Section 7. operating instructions cautioN Do not attempt repairs on the gas controls or appli- ance. Tampering is dangerous and voids all warran- Normal operation ties. -
Page 24: Lighting And Shutdown Procedures
Page 24 Jandy ® Legacy™ Model LRZM Pool/Spa Heater by Zodiac ® ENGLISH Installation and Operation Manual WaRNiNG The heater may not start on the first try. Air in DO NOT attempt repairs on the gas control or the gas line or other start-up situations may cause it to heater. -
Page 25: Before Operating
Jandy ® Legacy™ Model LRZM Pool/Spa Heater by Zodiac ® ENGLISH Page 25 Installation and Operation Manual FoR YouR SaFetY Read PRÉcautioNS À LiRe BeFoRe oPeRatiNG avaNt d’utiLiSeR aveRtiSSeMeNt : Si vous ne suivez pas ces instruc- WaRNiNG: if you do not follow these instructions tions à... -
Page 26: Adjusting The Water Pressure Switch
Page 26 Jandy ® Legacy™ Model LRZM Pool/Spa Heater by Zodiac ® ENGLISH Installation and Operation Manual cautioN In order to prevent property damage, the heater is designed to run only when the filter pump is run- ning. If the heater does not immediately turn off when the pump turns off, turn the heater off at the control panel. -
Page 27: Temperature Rise
Jandy ® Legacy™ Model LRZM Pool/Spa Heater by Zodiac ® ENGLISH Page 27 Installation and Operation Manual Return the pool temperature control to the is measured in the return header of the Legacy. To desired temperature. measure the temperature rise, turn off the filter pump... -
Page 28: Section 8. Maintenance
Page 28 Jandy ® Legacy™ Model LRZM Pool/Spa Heater by Zodiac ® ENGLISH Installation and Operation Manual table 6. Water temperature Rise and Flow Rates table 7. optimal Water chemistry Ranges* (Measured at Return Header) test Recommended Level Model Minimum... -
Page 29: Spring Start-Up
Jandy ® Legacy™ Model LRZM Pool/Spa Heater by Zodiac ® ENGLISH Page 29 Installation and Operation Manual Turn on the heater following the lighting instruc- tions found on the inside of the heater, or refer to Figure 18 of this manual. -
Page 30: Professional Inspection
Page 30 Jandy ® Legacy™ Model LRZM Pool/Spa Heater by Zodiac ® ENGLISH Installation and Operation Manual held beneath the burners. The flame should be WaRNiNG Blue in color. Do not use this heater if any part has been under 1 to 4 inches (25mm to 102mm) above water. -
Page 31: Section 9. Troubleshooting
Jandy ® Legacy™ Model LRZM Pool/Spa Heater by Zodiac ® ENGLISH Page 31 Installation and Operation Manual 11. Conduct a normal operating cycle and observe that the sequence proceeds as intended. cautioN For your safety, when starting the heater, keep your head and face away from the burner area opening to prevent any risk of personal injury. - Page 32 Page 32 Jandy ® Legacy™ Model LRZM Pool/Spa Heater by Zodiac ® ENGLISH Installation and Operation Manual table 8. Legacy troubleshooting Guide Symptom cause Remedy Pump not operat- No power Check circuit breakers and power source. Pump defective Replace.* Incorrectly wired Recheck wiring.*...
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Page 33: Section 10. Professional Maintenance And Service
Jandy ® Legacy™ Model LRZM Pool/Spa Heater by Zodiac ® ENGLISH Page 33 Installation and Operation Manual Section 10. Professional properly adjusted. Also be sure that there is no block- Maintenance and Service age of the vent or louvers which supply combustion air to the burners. -
Page 34: Electrical Troubleshooting
Page 34 Jandy ® Legacy™ Model LRZM Pool/Spa Heater by Zodiac ® ENGLISH Installation and Operation Manual Temperature Control - The Jandy Legacy safety circuit which shuts off the gas valve and controller is an electronic control which senses shuts down the heater. - Page 35 Jandy ® Legacy™ Model LRZM Pool/Spa Heater by Zodiac ® ENGLISH Page 35 Installation and Operation Manual 150° 130° Temperature Control High Limit High Limit Régulateur de température Switch Switch Contacteur de Contacteur de fin de course fin de course max.
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Page 36: Pilot Generator
Page 36 Jandy ® Legacy™ Model LRZM Pool/Spa Heater by Zodiac ® ENGLISH Installation and Operation Manual If the main burners will not light after follow- where the white wire from the gas valve is connected ing the lighting instructions in Section 7.3, check the (test point 3). -
Page 37: Limit Switches
Jandy ® Legacy™ Model LRZM Pool/Spa Heater by Zodiac ® ENGLISH Page 37 Installation and Operation Manual 6). The meter should read at least 220mV. If there is no pressure switch where the white wire from the high voltage, the time clock switch or other external inter- limits is connected (test point 11). -
Page 38: Variable Temperature Control
Page 38 Jandy ® Legacy™ Model LRZM Pool/Spa Heater by Zodiac ® ENGLISH Installation and Operation Manual switch (test point 14). A reading of less than 220mV 10.4.7.4 temperature control circuit Board here indicates a faulty switch. If the reading is more With the red lead of the meter still at test point than 500mV, turn the switch "OFF"... -
Page 39: Parts List
Jandy ® Legacy™ Model LRZM Pool/Spa Heater by Zodiac ® ENGLISH Page 39 Installation and Operation Manual 11.2 Parts List Model No. Order Model No. Order Description Part No. Description Part No. electrical System (continued) Pilot/igniter System Fusible Link Assembly... - Page 40 Page 40 Jandy ® Legacy™ Model LRZM Pool/Spa Heater by Zodiac ® ENGLISH Installation and Operation Manual 11.2 Parts List (continued) Model No. Order Description Part No. Jacket components (continued) In/Out Cover Panel, Top R0482500 In/Out Cover Panel, Bottom R0482600...
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Page 41: General Exploded View
Jandy ® Legacy™ Model LRZM Pool/Spa Heater by Zodiac ® ENGLISH Page 41 Installation and Operation Manual 11.3 General exploded view... -
Page 42: Detailed Exploded View
Page 42 Jandy ® Legacy™ Model LRZM Pool/Spa Heater by Zodiac ® ENGLISH Installation and Operation Manual 11.4 detailed exploded view 79,80... - Page 43 Jandy ® Legacy™ Model LRZM Pool/Spa Heater by Zodiac ® ENGLISH Page 43 Installation and Operation Manual 79,80...
- Page 44 2620 Commerce Way, Vista, CA 92081 1.800.822.7933 | www.ZodiacPoolSystems.com ZODIAC ® is a registered trademark of Zodiac International, S.A.S.U., used under license. All trademarks referenced herein are the property of their respective owners. ©2012 Zodiac Pool Systems, Inc. H0299600 Rev G 1202...
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