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Jandy LX Installation And Operation Manual

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Contents
  1. Table Of Contents
  2. Introduction
  3. Warranty
  4. Technical Assistance
  5. Dimensions
  7. Flooring
  8. Indoor and Outdoor Shelter Installation
  9. Converting the Grill to a Vent Collar
  10. Exhaust Venting
  11. Vent Pipe Sizing and General Installation
  12. Inspection and Replacement of Existing Vent System with New Components
  13. Manifold Pressure
  14. Water Piping
  15. Reversible Water Connections
  16. Connections at Heater
  17. Pressure Relief Valve
  18. Auxiliary Components, Chlorinators, Ozone Generators, and Sanitizing Chemicals
  19. Converting the Heater for a 115V Power Source
  20. Auxiliary Time Clock Wiring
  21. Normal Operation
  22. Temperature Controls
  23. Turning the Heater On or Off
  24. Setting Pool and Spa Temperatures Changing from Fahrenheit to Celsius
  25. Adjusting the Water Pressure Switch
  26. Temperature Rise
  27. Water Chemistry
  28. Spring Start-up
  29. Professional Inspection
  30. Service Codes
  31. General Information
  32. Special Service Issues Premix Combustion System
  33. Heater Components and Their Operation
  34. Electrical Power Supply
  35. Transformer
  36. Blower Pressure Switch Circuit
  37. Gas Valve Voltage
  38. Ordering Information
  39. Parts List
  40. General Exploded View
  41. Detailed Exploded View
  42. limited warranty
Jandy LX Installation And Operation Manual Manual pdf 35 page image
LX and LT Low NOx Pool/Spa Heater Page 339.2 Service CodesThe LX and LT Low NOx controllers monitorseveral functions of the heater. In the event of amalfunction, the LX controller will display a servicecode on the left side of the LCD screen under the LXlogo (see Figure 34). The model LT displays thisinformation by lighting a set of indicator lights locatedon the front of the control panel (see Figure 35). Table11 lists the LX and LT Low NOx Heater ServiceCodes along with potential causes and remedies.Note: When the service codes marked with anasterisk (*) are displayed, the controls are stilloperable and the heater will operate normallywhen the displayed condition is remedied. Faultcodes without an asterisk (*) will shut down theheater and control panel, and a flashing"Service" icon will be displayed.9.3 Ignition Control LED Service CodesIn addition to the service codes shown in theprevious section, the ignition controller in both the LXand LT Low NOx model heaters has an LED light thatflashes to indicate various different faults. Table 9 liststhe LED codes and the corresponding fault description:Table 9. Ignition Control LED Fault CodesLED Code Fault DescriptionThe LED light is on Ignition Control Fault. Refer tocontinuously. qualified service personnel.LED single flash. Air flow fault.LED double flash. Flame exists when there is NO callfor heat. Refer to qualified servicepersonnel.LED triple flash. Ignition lockout (heater has cycledthree (3) times and locked out afterthe third try).Figure 34. LX Control PanelLAARSLAARSPOOL/OFF/SPABACKLIGHTRS SERVICEON LINE FOROPERATIONWITHCONTROLLERAquaLink RSTMLAARSPOOLOFFSPAHeatingSERVICE**SERVICE DIAGNOSTICS-SEE INSIDE FRONT DOORF°/C°SELECTTHERMOSTAT SETTINGSLow PressureHi Lim SwExt Sw 1Air Flo SwAGSExt Sw 2TempSensor188188 °F°C°F°CRS OnlineWaterTempThermostatSettingPool Spa F° C°Figure 35. LT Control PanelFigure 33. Flame view at high speedVIEW PORTBURNER FLAMEFigure 32. Flame view at low blower speedVIEW PORTBURNER FLAME
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This manual is suitable for:
-Low NOxLT-Low NOxLX
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