Specifications

ManualsBrandsZodiac ManualsAbove Ground PoolsLRZ Electronic

Jandy Pro Series

Legacy

™

Pool and Spa Heater

INSTALLATION AND

OPERATION MANUAL

MODEL ZODIAC

LRZ ELECTRONIC

NATURAL GAS AND LP

NOTE: LP Gas for Outdoor Use Only

Instructions for Legacy Heaters

from Rev F to current

H0299500 REVL

ENGLISH

WARNING

If these instructions are not followed exactly, a fire or explosion may

result, causing property damage, personal injury, or death.

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.

Summary of content (48 pages)

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INSTALLATION AND OPERATION MANUAL ENGLISH MODEL ZODIAC® LRZ ELECTRONIC NATURAL GAS AND LP NOTE: LP Gas for Outdoor Use Only Instructions for Legacy Heaters from Rev F to current Jandy Pro Series Legacy™ Pool and Spa Heater WARNING If these instructions are not followed exactly, a fire or explosion may result, causing property damage, personal injury, or death.
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Page 2 ENGLISH Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual Table of Contents Section 1. General Information........................ 4 Section 6. Electrical........................................ 20 1.1 Introduction.........................................................4 1.2 Consumer Information and Safety......................4 1.2.1 Spa/Hot Tub Safety Rules............................4 1.2.2 Swimming Pool Energy Saving Tips............5 1.3 Warranty.....
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Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual Table of Contents (Continued) Section 9. Troubleshooting............................ 33 9.1 9.2 General Heater Troubleshooting.......................33 Service Codes..................................................33 Section 10. Professional Maintenance and Service........... 36 10.1 General Information..........................................36 10.2 Natural-Draft Combustion System....................36 10.
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Page 4 ENGLISH Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual Section 1. General Information 1.1 This manual provides installation and operation instructions for the Legacy Model LRZ electronic pool and spa heaters. Read these installation and operation instructions completely before proceeding with the installation. Consult the factory, or local factory representative, with any questions regarding this equipment.
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Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual Hyperthermia occurs when the internal body temperature reaches a level several degrees above the normal body temperature of 98.6°F (37°C). Symptoms include dizziness, fainting, drowsiness, lethargy, and an increase in the internal body temperature.
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Page 6 1.5 ENGLISH Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual Technical Assistance Consult Zodiac Pool Systems, Inc. or your local Jandy distributor with any questions or problems involving the specifications, installation, and operation of your Jandy equipment. An experienced technical support staff is ready to assist you in assuring the proper performance and application of Jandy products.
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Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual Table 1. Altitude Designations For The Legacy Model LRZ Heater manifold assembly needed for your altitude. Table 1 defines the altitude designations as described by the “Standard for Gas Fired Pool Heaters”, ANSI® Z21.56 in the United States and "Gas Fired Appliances For Use At High Altitudes", CAN 1-2.17 in Canada. 1.7.
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Page 8 ENGLISH Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual Section 2. Installation Instructions 2.1 Introduction WARNING Improper installation or maintenance can cause nausea or asphyxiation from carbon monoxide in flue gases which could result in severe injury, or death. For indoor installations, as an additional measure of safety, Zodiac Pool Systems, Inc.
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Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | 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 SIDE OF INDOOR (OUTDOOR OUTDOOR INSTALLTION HEATER SHELTER) INSTALLATION BLANK INCHES CENTIMETERS INCHES CENTIMETERS 8 20.3 8 20.3 REAR 6 15.2 6 15.2 PIPING 14 35.6 14 35.6 TOP 44 111.8 FRONT 18* 45.7* OPEN UNROOFED AREA 18* 45.
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Page 10 2.3.4 ENGLISH Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual Outdoor Installation The Legacy Model LRZ electronic heater can be installed in the low-profile configuration as received from the factory, or with an optional factory approved vent cap for high wind applications.. Locate the heater in an open, unroofed area. Do not install the heater under a deck. Do not locate the heater below or adjacent to any doors, glass openings, louvers, grills, etc.
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Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual These codes, standards and Zodiac Pool Systems, Inc., require that the heater be properly vented as outlined in this manual. Proper ventilation of exhaust and combustion air are essential for the safe and efficient operation of the heater. See Section 3. Table 3.
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Page 12 ENGLISH Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual NOTE Except for the combustion air openings requirements, in Canada, follow Canadian Standard, CAN/CSA-B149.1 or local codes. Follow the requirements of Table 3 for the minimum combustion air openings required. 3.2.
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Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual should be made with rustproof sheet metal screws. Do not weld or fasten the vent pipe to the heater draft hood. The draft hood and heater top must be easily removable for normal heater service and inspection. The draft hood outlet is to be connected to an unobstructed vent pipe of the same diameter, terminating outside the building. The vent must terminate at least two (2) feet (0.
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Page 14 3. Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual ENGLISH Use the figures in Table 4 to size the gas inlet piping from the gas meter to the heater. Check all local codes for compliance before installing the heater. 6. Disconnect the heater and its individual shutoff valve from the gas supply system during pressure testing of the system at pressures higher than 1/2 pounds per square inch (psi) (3.45 kilopascals [kPa]).
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Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual AQUAPURE ENGLISH Page 15 ® MANUAL BY-PASS DETAIL MANUAL BY-PASS IS USED WHEN FILTRATION RATE EXCEEDS 125 GPM Figure 7. Typical Piping Installation CAUTION Manifold gas pressure for the Legacy Model LRZ natural gas heaters should be set at 4" WC. Propane heaters should be set to 9" WC. ATTENTION La pression du collecteur de pression pour les systèmes de chauffage au gaz naturel devrait être de 4'’ WC.
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Page 16 ENGLISH Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual pressure switch can be adjusted to accommodate this effect if the heater water connections are no more than six feet below the pool water surface and no more than 15 feet above it. See instructions for pressure switch adjustment (Section 7.7) in the heater start-up section of this manual for more information about this.
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Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual In order to prevent property damage or injury, ensure that the wiring is handled and routed carefully so as not to cause any damage to it. Additionally, be careful not to create any kinks in the water pressure switch copper tubing when handling the header.
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Page 18 ENGLISH Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual CAUTION 7 8 In order to prevent property damage or injury, be sure that none of the wires are in contact with a sharp edge or a hot surface. 3 4 2 1 6 5 ATTENTION 10 Afin d'empêcher des dégâts matériels ou des blessures, assurez-vous qu'aucun des fils n'est en contact avec un bord tranchant ou une surface chaude.
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Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual START WITH A 1/4" BIT THEN OPEN HOLE WITH A 3/8" BIT THEN OPEN HOLE WITH A 1/2" BIT TEMPORARILY INSTALL BRASS ADAPTER TO PROTECT PLASTIC THREADS Figure 13. Drill Hole for Pressure Relief Valve PRESSURE RELIEF VALVE HAND TIGHTEN ONLY RUBBER WASHER ENGLISH Page 19 See Section 11.2 (Parts List) of this manual for the appropriate kit part number.
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Page 20 ENGLISH Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual 13. Reinstall the adapter, with the PRV, into the plastic threaded hole and tighten it until the mark on the adapter is once again facing the same direction as the water connections on the header. check valve between the heater and the feeder. A minimum of 18" (46 cm) is required between the heater and the check valve.
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Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual This must be done by a certified electrician only, as with all wiring. To wire the heater for 120V, 60 Hz AC, follow the alternate 120V wiring method depicted in Figure 16. Additionally, the ignition control module must be rewired. The wire from the terminal marked IGN/240 must be removed and placed on the terminal marked IGN/120.
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Page 22 Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual ENGLISH R BK 24 VAC IGN 240 Y R FV+ FV- IGNITION CONTROL BK W/BK W/R R 240 VAC HEATER POWER SUPPLY R 24 VAC FUSE TRANSFORMER IGN 120 L1 BK IGN L2 FS BK VAL GND Y BR W Y/BK BR Y GAS VALVE G BK FLAME SENSE W W HOT SURFACE IGNITER WATER TEMP SENSOR BK BK BR Y WATER TEMP UNIVERSAL CONTROLLER POWER INTERFACE FAN/ LOUVER Y/BK COMP/ IGN GAS VALVE USER INTERFACE1 BK O BL R R 24VAC HIP
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Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual 6.4.1 Connection to a Remote Pool-Off-Spa Selector (3-Wire Connection) 6.4.1.1 Install the Remote Pool-Off-Spa Selector 1. Turn off the power to both the pool/spa control system and the heater unit. Refer to Figure 17. 2. Remove the front panel door from the front of the heater to access the raceway. 3.
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Page 24 ENGLISH Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual NOTE The display will revert back to OFF after one minute since the last key press. 3. 4. Press the Up or Down button to display REMOTE. The SELECT REMOTE OFF (default remote) appears. Use the Up or Down button to scroll through the Remote options. When you reach REMOTE TSTAT, press the MENU button to select the remote. Press POOL or SPA to exit the Service Setup mode. Press SPA.
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Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual CAUTION Do not attempt repairs on the gas controls or appliance. Tampering is dangerous and voids all warranties. ATTENTION Ne tentez pas d’effectuer des réparations au système de régulation du débit du gaz ou à l’appareil. Toute modification non autorisée est dangereuse et entraîne l’annulation de toutes les garanties. CAUTION Keep all objects off the top of the heater.
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Page 26 7.3.1 ENGLISH Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual appears, use the Up or Down button to scroll through the language options. When you reach the desired language, press the MENU button to select the language. Press POOL or SPA to exit the User Setup mode. Off Mode When the control panel is turned off, the screen displays GAS HEATER IS OFF PRESS POOL OR SPA. 7.3.2 Pool Mode - (Normal Heat) To enable the pool mode, press POOL.
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Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual button to scroll through to display SELECT USER SETUP DISPLAY LIGHT. Press the MENU button. The SELECT DISPLAY LIGHT 2 MIN TIMEOUT: (default display light setting) is displayed. This option allows the display light to turn off after 2 minutes. Press the MENU button to select.
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Page 28 ENGLISH Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual FOR YOUR SAFETY READ BEFORE OPERATING WARNING: If you do not follow these instructions exactly, a fire or explosion may result, causing property damage, personal injury or loss of life. A. This appliance does not have a pilot light. It is equipped with an ignition device which automatically lights the heater. Do NOT try to light the burners by hand. B.
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Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual 7.7 Adjusting the Water Pressure Switch ATTENTION Le manocontact de pression d’eau doit être réglé de façon à ce que l’appareil cesse de fonctionner si la pompe s’arrête. Si le manocontact est réglé pour se fermer lorsque le débit d’eau est trop faible, l’appareil risque de s’endommager. Réglez le manocontact pour qu’il arrête l’appareil, et non pour qu’il le mette en marche.
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Page 30 Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual ENGLISH 8. If it was necessary to adjust the external bypass as outlined in step 6, scribe a line on the bypass shaft and case to mark the correct adjustment position. Wire or remove the valve handle to prevent tampering. BYPASS ADJUSTMENT SCREW Table 6. Water Temperature Rise and Flow Rates (Measured at Return Header) Model THERMOMETER WITH PETE'S PLUG® Figure 23.
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Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual Table 7. Water saturation index Saturation Index = pH + AF + CF + TF -12.1 A-Factor=(AF), C-Factor=(CF), T-Factor=(TF) Total Alkalinity A-Factor Factor Value PPM Calcium Hardness C-Factor PPM 8.2 Seasonal Care CAUTION T-Factor °F Do not operate this heater outdoors at temperatures below 20 degrees Fahrenheit (°F) (-7 degrees Celsius [°C]). Factor Value 5 = 0.7 5 = 0.9 32 = 0.0 25 = 1.4 25 = 1.
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Page 32 8.2.3 ENGLISH Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual Spring Start-up WARNING To restart the heater in the spring, have a qualified professional technician reassemble the heater as follows: 1. Attach the copper tubing to the pressure switch. See Figure 25. 2. Tighten the drain plug. 3. Make sure that power is supplied to the pump. Turn on the filter pump and circulate water through the heater for 5 minutes. Check for leaks while circulating.
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Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual 3. 4. If the heater is equipped with a pressure relief valve, check for corrosion in and around the valve. Twice a year, with the filter pump on, lift the release lever on the top of the valve to make sure that water runs freely through it. If corrosion is found, replace the pressure relief valve. When replacing the valve, be sure that the pump is off.
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Page 34 Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual ENGLISH Table 8. Legacy Model LRZ electronic Troubleshooting Guide # Symptom Cause Remedy 1. Pump not operating A. B. C. D. E. F. No power Pump defective Incorrectly wired Pump relay defective Time clock settings not synchronized with actual time Controller defective A. B. C. D. E. Check circuit breakers and power source. Replace.* Recheck wiring.* Replace pump relay.
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Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual ENGLISH Page 35 Table 9. Legacy Model LRZ Electronic Heater Service Diagnostic Guide Display Fault Display shows NO FLOW Cause 1. Pump is not running. 2. Low pump pressure. 3. Pressure switch fault. FAULTHIGH LIMIT 1. Water temperature in heater exceeds the internal limit. 2. Limit switch fault. FAULTFUSELINK/FIELD 1. Roll-out switch (fusible link) fault. 2. Vent temperature limit fault.
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Page 36 ENGLISH Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual Section 10. Professional Maintenance and Service WARNING SERVICING SAFETY Some of the servicing procedures for the Legacy Model LRZ electronic heater are hazardous because they involve fuel gas, electricity, moving parts and procedures which require testing or temporary bypass of safety controls. For this reason, the heater must be serviced only by a qualified professional service technician.
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Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual 2. 3. 4. Temperature Control - The Legacy Models are equipped with an electronic control which senses water temperature by means of a thermistor and controls heater operation to bring the water to the temperature selected. It has an option for two separate thermostat settings which are typically used to set pool and spa temperatures.
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Page 38 ENGLISH Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual The electrical power supply can be checked with the heater not set to fire. All other procedures need to be checked with power correctly supplied to the heater, all external devices set so that the heater is allowed to fire and the heater's thermostat set so that there is a call for heat. As stated at the beginning of the manual, some of these procedures are hazardous.
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Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual If no voltage is detected at test point 7, the roll-out switch (fusible link) or vent temperature limit has failed. This indicates higher than normal temperatures in the component compartment (vestibule). The normal component compartment temperature is well below 300°F (149°C). The roll-out switch (fusible link) is designed to fail at temperatures above 305°F (152°C).
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Page 40 ENGLISH Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual 10.4.3.7 Igniter/Ignition Control Circuit WARNING The igniter, power supply circuit board and some terminals of the ignition control utilize 120V or 240V power and require appropriate servicing precautions. Note that wires and terminals of these components may be “hot” even when the component is not operating.
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Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual R 24 VAC TRANSFORMER FUSE R BK FV+ FV- IGNITION CONTROL BK W/BK W/R R 240 VAC HEATER POWER SUPPLY 2 Page 41 ENGLISH 24 VAC 14 IGN 120 L1 BK IGN 240 1 Y R 13 12 IGN L2 FS BK 15 16 VAL GND Y BR W Y/BK BR Y GAS VALVE G BK FLAME SENSE 11 10 W W HOT SURFACE IGNITER WATER TEMP SENSOR BK BK BR Y WATER TEMP UNIVERSAL CONTROLLER POWER INTERFACE FAN/ LOUVER Y/BK COMP/ IGN GAS VALVE USER INTER
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Page 42 ENGLISH Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual Section 11. Replacement Parts 11.1 Ordering Information To order or purchase parts for the Legacy Model LRZ electronic pool and spa heater, contact your nearest Jandy dealer or distributor. See the Jandy web site at www.jandy.com for the nearest service center. If they cannot supply you with what you need, contact Technical Support Department at (800) 822-7933.
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Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual 11.2 Parts List Key No. Description 1 Page 43 ENGLISH Model No. Order Part No. Key No.
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Page 44 11.
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Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual 11.
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Page 46 Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual ENGLISH 41 68 50 62 52 59 57 20 60 63 65,66 51 58 55 63 25 54 61 53 52 23 26 15,16 61 56
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Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac® | Installation and Operation Manual NOTES ENGLISH Page 47
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Zodiac Pool Systems, Inc. 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 other trademarks referenced herein are the property of their respective owners. ©2014 Zodiac Pool Systems, Inc.