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Installation and Operating Data
WARNING
- FOR YOUR SAFETY - This product must be installed and serviced by
authorized personnel, qualifi ed in pool/spa heater installation. Improper installation
and/or operation can create carbon monoxide gas and fl ue gases, which can cause
serious injury, property damage, or death. For indoor installations, as an additional
measure of safety, Jandy Pool Products, Inc. strongly recommends installation of
suitable Carbon Monoxide detectors in the vicinity of this appliance and in any adja-
cent occupied spaces. Improper installation and/or operation will void the warranty.
Installation and
Operation Manual
LXi
™
Gas-Fired Pool
and Spa Heater
Model LXi
Natural Gas and LP
If these instructions are not followed exactly, a fi re or explosion may result,
causing property damage, personal injury, or death.
Do not store or use gasoline or other fl 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 fi re department.
Installation and service must be performed by a qualifi ed installer, service
agency or the gas supplier.
™
WARNING
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Table of Contents
Troubleshooting
Related Manuals for Jandy LXi
Summary of Contents for Jandy LXi
- Page 1 fl ue gases, which can cause serious injury, property damage, or death. For indoor installations, as an additional measure of safety, Jandy Pool Products, Inc. strongly recommends installation of suitable Carbon Monoxide detectors in the vicinity of this appliance and in any adja- cent occupied spaces.
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Page 3: Table Of Contents
Pool/Spa Heater Installation and Operation Manual Page 3 ™ Table of Contents Section 1. General Information ....5 Section 4. Gas Connections ....16 Introduction ..........5 Gas Supply and Piping ......16 Consumer Information and Safety ...5 Manifold Pressure ........17 1.2.1 Spa/Hot Tub Safety Rules ..5 Special Precautions for LP Gas ....17 1.2.2... - Page 4 Page 4 Pool/Spa Heater Installation and Operation Manual ™ Table of Contents (Continued) Section 7. Operating Instructions ..30 Section 10. Professional Maintenance and Service ........43 Normal Operation ........30 Start-Up ...........30 10.1 General Information .........43 Operating the Controller ......31 10.2 “Premix”...
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Page 5: Section 1. General Information
être dangereuses. Voir la notice d'installation et combinations or preheat convenience. de fonctionnement pour le réglage de la The LXi heater is specifi cally designed for heat- température. ing fresh water swimming pools and spas, and with Spa or hot tub water temperature should never proper installation and care, they will provide years of exceed 104°F (40°C). -
Page 6: Swimming Pool Energy Saving Tips
The ef- fects of hyperthermia include: Warranty The LXi heater is sold with a limited factory war- • Lack of awareness of impending hazard ranty. Details are specifi ed on the back cover of this manual. -
Page 7: Technical Assistance
1.6.1 Materials for All Applications Shelter The following items are needed and are to be Minimum Clearance From Combustible supplied by the installer for all LXi heater Material: installations: See Table 2 in Section 2.3.2. *Gas Pipe/Heater Gas Valve Connection:... -
Page 8: Dimensions
Fired Pool Heaters, ANSI Z21.56 in the United APPLICABLE States and Gas-Fired Appliances For Use At High Altitudes, CAN1-2.17 in Canada. When an LXi heater is to be installed in a high altitude LOW ALTITUDE 0-4500 FT 0-4500 FT application, the burner throat pressure will need (0-1370 M) to be adjusted to achieve 1.0"WC. -
Page 9: Section 2. Installation Instructions
There must also be minimum distances maintained from lation. The LXi heater is also design certifi ed for “In- combustible surfaces. See Table 2. door” installations in the United States and “Outdoor At least 18"... -
Page 10: Flooring
Figure 2. Noncombustible Platform Jandy, is used. See the heater rating plate or the Parts List (Section 11) in this manual for the appropriate masonry. (See Figure 2.) If the heater is installed in a base part number. -
Page 11: Indoor And Outdoor Shelter
The vent collar must be installed without modifi cation and in accordance with the instructions provided by the manufacturer. For sidewall venting, a Figure 3. Outdoor Heater Installation side vent kit is available from your Jandy distributor. -
Page 12: Converting The Grill To A Vent Collar
If the LXi heater is to be installed either indoors er protective covers. See Figure 8 and Table 3 notes. or in an outdoor shelter, its exhaust discharge grill must be removed. -
Page 13: Exhaust Venting
When converted to indoor and outdoor shelter venting confi guration, the LXi heater has a vent collar Exhaust Fans or Vents: Any equipment fi tting for attachment to the venting. The diameter of... -
Page 14: Vent Pipe Sizing And General Installation
National Fuel Gas Code NFPA 54 / ANSI Z223.1 or the Canadian Natural Gas and Propane Installation The LXi may be installed with venting as a Cat- Code, CAN/CSA-B149.1. Note that the tables for egory I or III Fan-Assisted appliance or outdoors with fan-assisted appliances include both maximum and the integral vent grill. -
Page 15: Inspection And Replacement Of Existing Vent System With New Components
Components IMPORTANT NOTE In the Commonwealth of Massachusetts, additional requirements, If the LXi is being installed to replace an existing covered in document CMR 248 5.00, which pool heater, it is recommended that a new appropriate supersede some of the requirements of venting system be installed with the new heater. -
Page 16: Section 4. Gas Connections
1-1/4 1-1/4 WARNING 1-1/4 1-1/4 1-1/2 The LXi pool and spa heaters are designed for use 1-1/4 1-1/2 1-1/2 with either natural gas or LP gas. Check the rating Notes: plate on the inner panel to be sure that the heater is *1. -
Page 17: Manifold Pressure
Gas supply pressures to the heater are listed in Table 6. CAUTION Manifold gas pressure for the LXi natural gas heat- Table 6. Gas Supply Pressure Requirements* ers should be set at 2.5" WC. Propane heaters Supply Pressure... -
Page 18: Section 5. Water Connections
fl ooding. Jandy Pool Products, Inc., cannot be reinstalling them on opposite ends of the tube assem- responsible for such water loss or fl ooding or the dam- bly. - Page 19 Figure 11. Water Connections as Shipped PANEL SIDE SIDE LEFT DOOR RIGHT SUPPORT SIDE SUPPORT SIDE SUPPORT RETURN HEADER SIDE BASE COVER PLATE I/O HEADER SIDE COVER PLATES TOP AND BOTTOM FRONT PANEL (DOOR) Figure 12. Water Connections Reversed Figure 13. LXi Panel Identifi cation...
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Page 20: Connections At Heater
Connections at Heater 17. Remove the 3/4 inch button plug located in the The LXi heater has a standard 2" water header left side panel below the inlet/outlet header and and coupling design. With this feature, only nomi-... - Page 21 CPVC primer and glue. Follow the manufacturer’s instructions provided with the primer and glue for Figure 15. Header Drain Plug Location Sweep Elbow P/N SEAQL1001 7½” Minimum Sweep Elbow P/N SEFL1002 CV Filter LXi Heater Pump Figure 16. LXi Heater Sweep Elbow Installation...
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Page 22: Pressure Relief Valve
RUBBER WASHER A pressure relief valve is not supplied with the LXi heater. However, it is recommended that a pres- sure relief valve be installed and may even be re- quired by local codes. Be sure to check any applicable installation codes in your area to determine whether a pressure relief valve is required. -
Page 23: Auxiliary Components, Chlorinators, Ozone Generators, And Sanitizing Chemicals
fi lter shown in the wiring diagram found on the inside of the system. The maximum working pressure of the LXi heater door. See Figure 20. The heater must include a heater is 75 psig. - Page 24 Page 24 Pool/Spa Heater Installation and Operation Manual ™ Figure 20. LXi Connections/Schematic Wiring Diagram...
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Page 25: Converting The Heater For A 120V Power Source
à l'aide d'un fi l de cuivre massif dont le di- board. amètre n'est pas inférieur à un calibre 8 (un calibre To wire the LXi heater to a 120V or 240V /60 6 dans Canada). Hertz (Hz) electrical source: Remove the door of the heater. -
Page 26: Optional Pump Connection (Maintain Temp Feature)
Jandy part solid copper wire not smaller than 8 AWG (6 AWG in number R0467200. Canada). Failure to do so will void the Jandy warranty. Additionally, in the United States the National Optional Remote Controls... -
Page 27: Connection To A Remote Pool-Off-Spa Selector (3-Wire Connection)
When using this type of connection, remember to set the LXi heater's control to “SPA” and set the thermostat control to maximum. -
Page 28: Confi Gure The Control Panel
Side 6.5.2.3 Remote Operation RS485 Connectors Switch Heater The LXi pool/spa heater controls can be wired 4 3 2 1 4 3 2 1 6 5 4 3 2 1 10 9 8 7 6 5 4 3 2 1 for remote operation. - Page 29 Wire GR Y BK R LXi Control Figure 29. Wiring an LXi to a Jandy RS Remote NOTE Only an RS System with fi rmware revision "N", Do not connect more than two wires to any of the terminals in the RS Control System when connecting or higher, will support the LXi heater interface.
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Page 30: Connection To A Secondary Use Interface
The heater has an internal safety system When the LXi heater is fi rst powered on and which allows operation in a variety of conditions and there is an RS control connected to the heater, the prevents operation when certain adverse conditions are display on the heater control will show "JANDY RE-... -
Page 31: Operating The Controller
(3) attempts. (See Section 9.2, Service Codes.) been under water. To reset the LXi heater to provide three (3) additional attempts, turn off the control and then put it back in either the Pool or Spa mode. -
Page 32: Off Mode
Page 32 Pool/Spa Heater Installation and Operation Manual ™ vanced microprocessor based controller that provides To operate in pool mode with the Maintain Heat a sophisticated yet simple interface to operate your feature, press POOL , then press MENU, press the heater for maximum effi... -
Page 33: Temperature Scale Setup
Before starting your heater, be sure that all of the MENU button to select. The display SELECT the functions and limits of the LXi controller has been SPA TIME 01:00 HRS: (default time setting) is set according to the previous sections of this manual. -
Page 34: Operating Instructions
Page 34 Pool/Spa Heater Installation and Operation Manual ™ PRÉCAUTIONS À LIRE FOR YOUR SAFETY READ BEFORE OPERATING AVANT D’UTILISER WARNING: AVERTISSEMENT: If you do not follow these instructions exactly, a Si vous ne suivez pas ces instructions à la lettre, il y a risque d’incendie ou d’explosion, pouvant entraîner fire or explosion may result, causing property damage, personal des dégâts matériels et des blessures graves voire mortelles. -
Page 35: Lighting The Heater
Turn the gas valve control knob counterclock- switch if the heater is installed more than 15 feet (4.57 wise to ON. See Figure 30. m) below the pool surface. Consult your local Jandy representative for recommendations. Replace the heater door. -
Page 36: Temperature Rise
fi lter system. Temperature rise is Check the adjustment by turning the fi lter pump measured in the return header of the LXi. To mea- OFF. The heater fan will continue to run but the sure the temperature rise, turn off the fi lter pump and burners should shut off immediately. -
Page 37: Burner Throat Pressure Adjustment
Wire or remove the valve handle to the water. Be sure to keep your chemical levels within prevent tampering. the values indicated in Table 8. Jandy Pool Products, Inc. does not warrant heat exchangers damaged by Table 7. Water Temperature Rise and Flow Rates... -
Page 38: Seasonal Care
Turn on the heater following the lighting instruc- atures to 70°F (21°C) on the LXi or the lowest setting tions found on the inside of the heater, or possible on the LXi. See Section 7.3.3. This prevents Figure 29. -
Page 39: Owner Inspection
Pool/Spa Heater Installation and Operation Manual Page 39 ™ 8.3.1 Owner Inspection Jandy Pool Products, Inc. recommends that you VIEW PORT inspect the heater on a continual basis and especially after abnormal weather conditions. The following ba- sic guidelines are suggested for your inspection: Keep the top and surrounding area of the heater clear of all debris. -
Page 40: Section 9. Troubleshooting
See Section 10.2 and Section 10.3 for important informa- tion about the system. Service Codes The LXi controller monitors several functions of the heater. In the event of a malfunction, the LXi controller will display a FAULT message. Table 11... - Page 41 Pool/Spa Heater Installation and Operation Manual Page 41 ™ Table 10. LXi Troubleshooting Guide Symptom Cause Remedy Pump not operating No power Check circuit breakers and power source. Pump defective Replace. Incorrectly wired Recheck wiring. Time clock settings not synchronized with Check time clock setting.
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Page 42: Service Diagnostic Guide
Page 42 Pool/Spa Heater Installation and Operation Manual ™ Table 11. LXi Heater Service Diagnostic Guide DISPLAY FAULT CAUSE REMEDY Display shows 1. Pump is not running. 1. This is a normal display when the control is in a Maintain FAULT- Temp mode. -
Page 43: Section 10. Professional Maintenance And Service
10.2 “Premix” Forced-Draft Combustion SERVICING SAFETY System Some of the servicing procedures for the LXi heater The LXi pool and spa heater has a forced-draft are hazardous because they involve fuel gas, elec- combustion system incorporating special burners and a tricity, moving parts and procedures which require combustion blower. -
Page 44: Special Service Issues - Premix Combustion System
The sealing of the combustion chamber and fl ue operation of the burner. assembly is also important to maintaining good com- bustion. The combustion chamber of the LXi runs at a Fusible Link - This is a single-use switch which slightly positive pressure (0.08" W.C. to 0.18" W.C.). -
Page 45: Burner Throat Pressure Adjustment
1.0" W.C. To measure the air pressure locate the 10.5.1 Electrical Power Supply burner throat pressure tap. (See Figure 36). Remove The electrical components of the LXi pool heat- the plug covering the tap and measure the pressure. ers are designed to operate with supply voltage ranging from 102V to 132V at 60 Hz if connected to a nominal 10.5... -
Page 46: Controller
Page 46 Pool/Spa Heater Installation and Operation Manual ™ This can be done by measuring the voltage between that components from all previous sections have been the wires of the three-pin connector on the power tested and are operational. However, verifying voltage supply circuit board. -
Page 47: Fusible Link
Pool/Spa Heater Installation and Operation Manual Page 47 ™ 10.5.3.4 Fusible Link Move the red meter lead to the terminal connec- tion on the 150° switch that is connected back to the To check the fusible link/air louver/fi eld interlock controller. -
Page 48: Gas Valve Voltage
Page 48 Pool/Spa Heater Installation and Operation Manual ™ 10.5.3.7 Gas Valve Voltage 47 seconds there is voltage between test point J and test point K. If satisfactory ignition is not achieved, The gas valve will operate only when there is a the igniter is turned off and the system waits for a 15 call for heat, all safety circuits have been satisfi... - Page 49 ™ Pool/Spa Heater Installation and Operation Manual Page 49 FUSE TRANSFORMER 24 VAC Alternate 120V Wiring 120 VAC NEUTRAL HEATER POWER SUPPLY ACN1 BLOWER 240 VAC MOTOR HEATER POWER ACH1 SUPPLY GROUND SCREW RETURN UNIVERSAL CONTROLLER INTAKE POWER INTERFACE WATER BK/Y TEMP FAN/...
- Page 50 Page 50 Pool/Spa Heater Installation and Operation Manual ™ IGNITION CONTROL 120 L1 Y/BK GAS VALVE Y/BK AIR FLOW SWITCH HOT SURFACE IGNITER FLAME SENSE TO COMBUSTION AIR LOUVER STARTER (IF USED) TO PUMP STARTER CONTACTS (IF USED) Factory Wired 24V Factory Wired 120V/240V BK - BLACK BK/Y - BLACK WITH YELLOW TRACE...
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Page 51: Section 11. Replacement Parts
Model No. Order 11.1 Ordering Information Description Part No. To order or purchase parts for the LXi pool and Heat Exchanger Components spa heater, contact your nearest Jandy dealer or dis- Complete Heat Exchanger (Copper) 250,300,400 R0453303,04,05 tributor. Access the Jandy web site at www.jandy.com Tube Assy.(Cu), w/ Hdwr &... - Page 52 Page 52 Pool/Spa Heater Installation and Operation Manual ™ Description Model No. Order Components of ASME-Certifi ed Heat Exchanger Part No. Heat Exch Tube Assy, CuNi 250,300,400 R0477003,04,06 Electrical (Continued) Header, In/Out, , Bronze 250,300,400 R04766-01-06 Ignition Control R0456900 Header, Return, Bronze 250,300,400 R0476700 Water Pressure Switch Assy...
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Page 53: General Exploded View
Pool/Spa Heater Installation and Operation Manual Page 53 ™ 11.3 General Exploded View... -
Page 54: Detailed Exploded View
Page 54 Pool/Spa Heater Installation and Operation Manual ™ 11.4 Detailed Exploded View (qty 2) -
Page 55: Exploded View Of Heat Exchanger, Asme
Pool/Spa Heater Installation and Operation Manual Page 55 ™ 11.5 Exploded View of Heat Exchanger, ASME 2, 3, 72... -
Page 56: Limited Warranty
DE grids, or cartridge elements; or damage caused by running the pump with insufficient quantities of water. LIMITATION OF LIABILITY: This is the only warranty given by Jandy Pool Products, Inc. No one is authorized to make any other warranties on behalf of Jandy Pool Products, Inc. THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE AND MERCHANTABILITY.
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