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Installation and Operating Data
FOR YOUR SAFETY - This product must be installed and serviced by authorized
personnel, quali¿ ed in pool/spa heater installation. Improper installation and/or
operation can create carbon monoxide gas and À ue 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.
Installation and
Operation Manual
™
Legacy
Pool and Spa Heater
Model LRZ Electronic
Natural Gas and LP
NOTE: LP Gas for
Outdoor Use Only
This product is manufactured under the following
listed United States patent no.: 5,163,508.
If these instructions are not followed exactly, a ¿ re or explosion may result,
causing property damage, personal injury, or death.
Do not store or use gasoline or other À ammable 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 ¿ re department.
Installation and service must be performed by a quali¿ ed installer, service
agency or the gas supplier.
WARNING
WARNING
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Table of Contents
Troubleshooting
Related Manuals for Jandy LRZ Electronic
Summary of Contents for Jandy LRZ Electronic
- Page 1 Improper installation and/or operation will void the warranty. Installation and Operation Manual ™ Legacy Pool and Spa Heater Model LRZ Electronic Natural Gas and LP NOTE: LP Gas for Outdoor Use Only This product is manufactured under the following listed United States patent no.: 5,163,508.
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Page 3: Table Of Contents
Page 3 Legacy™ Model LRZE Pool/Spa Heater Installation and Operation Manual Table of Contents Section 1. General Information ....5 Section 4. Gas Connections ......14 Introduction ..........5 Gas Supply and Piping ......14 Consumer Information and Safety ...5 Manifold Pressure ........16 1.2.1 Spa/Hot Tub Safety Rules ..5 Special Precautions for LP Gas ....16... - Page 4 Page 4 Legacy™ Model LRZE Pool/Spa Heater Installation and Operation Manual Table of Contents (Continued) Section 7. Operating Instructions ....25 Section 9. Troubleshooting ......34 Normal Operation ........25 General Heater Troubleshooting .....34 Start-Up ...........25 Service Codes .........34 Operating the Controller ......26 7.3.1 Off Mode ........26 Section 10.
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Page 5: Section 1. General Information
This manual provides installation and operation hazardous. Consult heater operation and installa- instructions for the Legacy Model LRZ electronic tion instructions for water temperature guidelines pool and spa heaters. Read these installation and before setting temperature. -
Page 6: Swimming Pool Energy Saving Tips
Legacy™ Model LRZE Pool/Spa Heater Installation and Operation Manual • Failure to perceive heat Warranty The Legacy Model LRZ electronic heater is sold • Failure to recognize need to leave spa with a limited factory warranty. Details are speci¿ ed on the back cover of this manual. -
Page 7: Technical Assistance
(see Section 2.3.3). Noncombustible bases are available from your 11. Modi¿ cation of Heater for High Altitude: The Jandy distributor. Jandy Legacy model LRZ electronic heater is normally shipped from the factory in the low altitude (sea level) operational con¿ guration. -
Page 8: Dimensions
Legacy Model LRZ Heater and shipped for higher altitudes. For ¿ eld conversions to change altitude con¿ gurations, NATURAL GAS manifold kits for mid altitudes and high altitudes are available from your Jandy pool products ALTITUDE UNITED CANADA DESIGNATION STATES dealer or by contacting the Zodiac Customer Service Department at (800) 822-7933. -
Page 9: Section 2. Installation Instructions
Check the rating plate on the heater or the Parts Introduction List (Section 11) of this manual for the correct Jandy draft hood or vent cap part number. See instructions WARNING supplied with the draft hood or vent cap for installation Improper installation or maintenance can cause and attachment. -
Page 10: Flooring
2.3.4 Outdoor Installation Code (NFPA 54 / ANSI Z223.1), and in Canada, the The Legacy Model LRZ electronic heater can be Natural Gas and Propane Installation Code (CAN/ installed in the low-pro¿ le con¿ guration as received CSA-B149.1), allow a heater to be placed on a... -
Page 11: Indoor And Outdoor Shelter
Page 11 Legacy™ Model LRZE Pool/Spa Heater Installation and Operation Manual terminate at least 4.0 ft (1.2 m) below, 4.0 ft (1.2 m) Ne pas installer ce chauffe-piscine sous une horizontally from, or 1.0 ft (300 mm) above any door, saillie mesurant moins de 3 pi de hauteur. -
Page 12: Section 3. Venting
Page 12 Legacy™ Model LRZE Pool/Spa Heater Installation and Operation Manual Note In Canada, follow Canadian Standard, CAN/ Une remise extérieure (au Canada seulement) CSA-B149.1 or local codes. est un endroit inoccupé qui ne communique pas directement avec les endroits occupés. Toutes Exhaust Fans or Vents: Any equipment les installations intérieures et remises extérieures which exhausts air from the room where the heater... -
Page 13: Vent Pipe Sizing And General Installation
Approved vent caps may be obtained through your Jandy distributor. The National Fuel Gas Code, ANSI Z223.1 (NFPA 54), latest edition; pay particular 3.2.2... -
Page 14: Inspection And Replacement Of Existing Vent System With New Components
If a ¿ eld conversion to a different altitude range should be necessary, manifold kits are If the Legacy Model LRZ electronic is being available for changing the altitude range of the installed to replace an existing pool heater, it is heater. - Page 15 Page 15 Legacy™ Model LRZE Pool/Spa Heater Installation and Operation Manual Use the ¿ gures in Table 4 to size the gas inlet Table 5. Gas Supply Pressure Requirements* piping from the gas meter to the heater. Check all Supply Pressure Minimum Maximum local codes for compliance before installing the...
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Page 16: Manifold Pressure
Page 16 Legacy™ Model LRZE Pool/Spa Heater Installation and Operation Manual Manifold Pressure Gas and Propane Installation Code in Canada (CAN/ CSA B149.1, latest edition), and any other local Con¿ rm that gas supply pressure is correct. If codes and ¿ re protection authorities about speci¿ c the gas supply pressure is less than required, check installation restrictions in your area. -
Page 17: Reversible Water Connections
À ow using the bypass valve until the proper temperature rise is obtained. Reversible Water Connections The Legacy Model LRZ electronic heater is shipped with water connections on the right side, but can be modi¿ ed in the ¿ eld to provide left-side water connections. - Page 18 Page 18 Legacy™ Model LRZE Pool/Spa Heater Installation and Operation Manual For an existing installation, remove the coupling VENT TOP nuts from the header and disconnect the water TOP PANEL RETURN HEADER SIDE supply from the heater. COVER PLATES TOP AND BOTTOM Remove the ten (10) bolts and washers from the inlet/outlet header and remove the header from LEFT SIDE PANEL...
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Page 19: Connections At Heater
Power Interface board in the A pressure relief valve is not supplied with the raceway. Reconnect the wires to the "WATER Legacy Model LRZ electronic heater. However, it is TEMP" terminals on the Power Interface board. recommended that a pressure relief valve be installed and may even be required by local codes. - Page 20 « mordre » working pressure of any component in the ¿ lter dans le plastique. Vous risquez de vous blesser ou system. The maximum working pressure of the Legacy d’endommager le tuyau collecteur de plastique. Model LRZ electronic heater is 75 psig.
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Page 21: Auxiliary Components, Chlorinators, Ozone Generators, And Sanitizing Chemicals
(a minimum of 18" is required between on the terminal marked IGN/120. the heater and the check valve). To wire the Legacy Model LRZ electronic heater to a 120V or 240V /60 Hertz (Hz) electrical source: • Wire any electrical chemical feeder so that it cannot operate unless the ¿... - Page 22 W - WHITE W/BK - WHITE WITH BLACK TRACE W/R - WHITE WITH RED TRACE HOT SURFACE Y - YELLOW IGNITER Y/BK - YELLOW WITH BLACK TRACE ALTERNATE 120 VAC WIRING H03028000C Figure 16. Legacy Model LRZ electronic Connections/Schematic Wiring Diagram...
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Page 23: Bonding
Page 23 Legacy™ Model LRZE Pool/Spa Heater Installation and Operation Manual Bonding 6.4.1 Connection to a Remote Pool-Off-Spa Selector (3-Wire CAUTION Connection) To prevent premature failure of the appliance resulting from stray voltages and voltage differen- 6.4.1.1 Install the Remote Pool-Off-Spa tials, the heater must be bonded to other equipment Selector which is part of the pool plumbing system with a... -
Page 24: Con¿ Gure The Control Panel
6.4.2 Connection to an AquaLink User Interface RS Control System or Remote The Legacy Model LRZ electronic pool/spa TSTAT (2-Wire Connection) heater can also be controlled remotely by installing a second wall mountable User Interface. Please order 6.4.2.1 Install the Remote TSTAT Zodiac part number R0467500. -
Page 25: Section 7. Operating Instructions
Immediately call a quali¿ ed service techni- Normal Operation cian to inspect the heater and replace any part of The Legacy Model LRZ electronic heater is the control system and any gas control which has capable of automatic operation based on a call for been under water. -
Page 26: Operating The Controller
(see Section 9.2, "Service Codes"). NOTE represents the current temperature To reset the Legacy Model LRZ electronic heater setting on the control. The default setting for to provide three (3) additional attempts, turn off the pool temperature is 80°F (26°C). -
Page 27: User Setup Options
Page 27 Legacy™ Model LRZE Pool/Spa Heater Installation and Operation Manual User Setup Options To select the length of time for the spa to run, use the Up or Down button to scroll to display The User Setup options allow the user to select SELECT SPA TIMER TIME SELECTION . -
Page 28: Lighting And Shutdown Procedures
2 psi (14 kPa). Do not adjust the pressure switch if the heater is installed more than 15 feet (4.57 m) below the pool surface. Consult your local Jandy representative for recommendations. On some installations, the piping from the heater to the pool is very short. -
Page 29: Operating Instructions
Page 29 Legacy™ Model LRZE Pool/Spa Heater Installation and Operation Manual FOR YOUR SAFETY READ PRÉCAUTIONS À LIRE BEFORE OPERATING AVANT D’UTILISER AVERTISSEMENT: Si vous ne suivez pas ces instructions WARNING: If you do not follow these instructions exactly, a à... -
Page 30: Temperature Rise
Steps 6 and 7. Check the adjustment again. pocket thermometer. A temperature rise measurement Return the pool temperature control to the kit is available through your Jandy distributor. See desired temperature. Section 11 of this manual for the correct kit number. -
Page 31: Section 8. Maintenance
Page 31 Legacy™ Model LRZE Pool/Spa Heater Installation and Operation Manual Start the ¿ lter pump. heater internal bypass assembly also affects measured temperature rise. After three minutes, note and record the ther- Section 8. Maintenance mometer reading. This is the pool water tempera- ture. -
Page 32: Seasonal Care
Page 32 Legacy™ Model LRZE Pool/Spa Heater Installation and Operation Manual Seasonal Care After all water has drained from the heater, check for mineral buildup in the openings. CAUTION Use compressed air to blow out any standing Do not operate this heater outdoors at temperatures water remaining in the heat exchanger. -
Page 33: Owner Inspection
Page 33 Legacy™ Model LRZE Pool/Spa Heater Installation and Operation Manual Be sure all combustion air and ventilation WARNING openings are not blocked. Check for spider webs Improper installation or maintenance can cause and other debris inside the heater, in the vents on nausea or asphyxiation from carbon monoxide in all sides of the heater jacket and in the exhaust À... -
Page 34: Section 9. Troubleshooting
Service Codes The À ame can be seen in a mirror arrangement held beneath the burners. The À ame should be: The Legacy Model LRZ electronic controller monitors several functions of the heater. In the event a. Blue in color. -
Page 35: Troubleshooting Guide
Page 35 Legacy™ Model LRZE Pool/Spa Heater Installation and Operation Manual Table 8. Legacy Model LRZ electronic Troubleshooting Guide Symptom Cause Remedy Pump not operating No power Check circuit breakers and power source. Pump defective Replace. Incorrectly wired Recheck wiring. - Page 36 Page 36 Legacy™ Model LRZE Pool/Spa Heater Installation and Operation Manual Table 9. Legacy Model LRZ Electronic Heater Service Diagnostic Guide DISPLAY FAULT CAUSE REMEDY Display shows 1. Pump is not running. 1. This is a normal display when the pump is OFF. No NO FLOW Service Required.
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Page 37: Section 10. Professional Maintenance And Service
10.2 Natural-Draft Combustion System because they involve fuel gas, electricity, moving The Legacy Model LRZ electronic pool and spa parts and procedures which require testing or heater has an atmospheric combustion system. This temporary bypass of safety controls. For this system is illustrated in Figure 27. -
Page 38: Electrical Troubleshooting
If the À ame signal is less than 1.5 micro-amps, The electrical components of the Legacy Model verify correct gas supply and manifold pressures. LRZ electronic pool heaters are designed to operate Limit Switches - Two limit switches prevent with supply voltage ranging from 102V to 132V at 60... -
Page 39: 10.4.3 Control Circuit Troubleshooting
Page 39 Legacy™ Model LRZE Pool/Spa Heater Installation and Operation Manual 10.4.3 Control Circuit Troubleshooting connector. If 20-28 Volts AC nominal is detected at this point, the devices in this circuit are closed and the The heater controls are arranged in several 24V circuit is working properly. -
Page 40: 10.4.3.6 Gas Valve Voltage
Page 40 Legacy™ Model LRZE Pool/Spa Heater Installation and Operation Manual only during a trial for ignition or during normal is open. This is normally due to excessive water operation. The meter should read 20-28 Volts AC. temperature, which should be thoroughly investigated If there is no voltage, then there is a bad connection before replacement of limit switches. -
Page 41: Section 11. Replacement Parts
L and I during the trial for ignition but the To order or purchase parts for the Legacy Model igniter does not glow, check the connections to the LRZ electronic pool and spa heater, contact your igniter. nearest Jandy dealer or distributor. See the Jandy web Check the igniter with the ohmmeter. - Page 42 Page 42 Legacy™ Model LRZE Pool/Spa Heater Installation and Operation Manual Figure 28. Test Point Identi¿ cation Diagram (1 of 2)
- Page 43 Page 43 Legacy™ Model LRZE Pool/Spa Heater Installation and Operation Manual Figure 28. Test Point Identi¿ cation Diagram (2 of 2)
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Page 44: Parts List
Page 44 Legacy™ Model LRZE Pool/Spa Heater Installation and Operation Manual 11.2 Parts List Model Order Model Order Description Part No. Description Part No. Water System-Polymer (Continued) Main Gas Assembly 3" Coupling Nut Kit w/ O-ring R0454000 Burner Tray Assy, Natural 125-400 R0468901-05 Bypass Assembly, Polymer... -
Page 45: General Exploded View
Page 45 Legacy™ Model LRZE Pool/Spa Heater Installation and Operation Manual 11.3 General Exploded View... -
Page 46: Detailed Exploded View
Page 46 Legacy™ Model LRZE Pool/Spa Heater Installation and Operation Manual 11.4 Detailed Exploded View 63,64 15,16... - Page 47 Page 47 Legacy™ Model LRZE Pool/Spa Heater Installation and Operation Manual 63,64 15,16...
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Page 48: Limited Warranty
If the dealer is not available, you can locate a service center in your area by visiting www.jandy.com or by calling our technical support department at 1.800.822.7933 in the United States or 1.888.647.4004 in Canada. All returned parts must have a Returned Material Authorization number to be evaluated under the terms of this warranty.