Page 26Figure 19. Heater drain locations.4. Turn on the main gas supply valve to the heater,outside the heater jacket.5. Turn on the heater following the lighting instruc-tions found on the inside of the heater, or page 17of this manual.8.3 Inspection and ServiceThe Lite2 LD heater is designed and constructedto provide long performance life when installed andoperated properly under normal conditions. Periodicinspections, especially at spring start-up, are importantto keep your heater running safely and efficientlythrough the years. Improper maintenance can result inconditions where nausea or asphyxiation from carbonmonoxide or flue gases could cause severe injury,property damage or death.WARNINGImproper installation or maintenance can causenausea or asphyxiation from carbon monoxide in fluegases which could result in severe injury, or death.AVERTISSEMENTUne installation ou un entretien inadéquat peutcauser la nausée ou l’asphyxie en raison dumonoxyde de carbone présent dans les gaz decombustion et même entraîner des blessures gravesou la mort.8.3.1 Owner InspectionJandy Pool Products, Inc. recommends that youinspect the heater on a continual basis and especiallyafter abnormal weather conditions. The following basicguidelines are suggested for your inspection:1. Keep the top and surrounding area of the heaterclear of all debris.2. Keep the area around and beneath the heaterclean and free of all combustible materials suchas paper, leaves, etc.3. Do not store or use gasoline or other flammablevapors, liquids or chemicals in the vicinity of thisor any other appliance.Ne pas entreposer ni utiliser d'essence ni d'autresvapeurs ou liquides inflammables à proximité decet appareil ou de tout autre appareil.4. Do not use the heater if any part has been underwater. Immediately call a qualified professionaltechnician to inspect the heater and replace anypart of the control system which has beensubmerged.N'utilisez pas cet appareil s'il a été plongé dansl'eau, même partiellement. Faites inspecterl'appareil par un technicien qualifié et remplaceztoute partie du système de contrôle et toutecommande qui ont été plongés dans l'eau.5. If the heater is equipped with a pressure reliefvalve, check for corrosion in and around thevalve. With the filter pump on, lift the releaselever on the top of the valve to make sure thatFigure 20. Pressure switch copper tubing.