
Model LLG & LLD Pool and Spa HeaterPage 1SECTION 1.General Information1A. IntroductionThis manual provides installation and operationinstructions
Page 10Figure 13. Flue collector holddown brackets.Figure 12. Heat exchanger reversal.To install plastic piping (see Figure 11):1. Remove CPVC nippl
Model LLG & LLD Pool and Spa HeaterPage 11CautionIt may be necessary to have help lifting theheat exchanger out and replacing it.15. Lift out the
Page 12injector to prevent ozone and air from enteringthe heater.• When chemical feeders are used, plumb thefeeder downstream of the heater and instal
Model LLG & LLD Pool and Spa HeaterPage 13Figure 17. Thermometer and pressure relief valve.3. Turn rotary switch to ON. Heater should start.4. Pry
Page 14test (see Section 2G-8).7. Open manual bypass valve until temp rise fallsbetween the min. and max. range.8. Once the temperature is within the
Model LLG & LLD Pool and Spa HeaterPage 15WARNING: If you do not follow these instructions exactly, a fire or explosionmay result, causing propert
Page 16FOR YOUR SAFETY READ BEFORE OPERATING WARNING: If you do not follow these instructions exactly, afire or explosion may result causing property
Model LLG & LLD Pool and Spa HeaterPage 17Note: When using metal pipe as heat sink, join metal and PVC/CPVC, using metal male and PVC/CPVC female
Page 183D-3. Spring Start-upTo restart the heater in the Spring, have a profes-sional service technician reassemble the heater asfollows:1. Attach the
Model LLG & LLD Pool and Spa HeaterPage 19discourage further adjustments.4. Set the filter time clock to start the pump noearlier than 6:00 AM dur
Page 2Gas Association and Canadian Gas Association) ascomplying with the latest edition of the Standard forGas-Fired Pool Heaters, ANSI Z21.56, and in
Page 204B. Parts ListDescription Part NumberA. VENTING ASSEMBLY1. Top Enclosure Weldment ... R0313201-052. Top Filler
Model LLG & LLD Pool and Spa HeaterPage 21Description Part Number13. Bracket, Insulation Retainer ... 104622001
Page 22DFEA3A2A1A4B2B1B4E10B8B3C1C2C3C5C4A5Redundant Limit(LLG only)See Page 23for detailSee Page 23for detail
Model LLG & LLD Pool and Spa HeaterPage 23Detailed view of LLG Burner Tray Assembly (E)E2E3E1E4, E5, E6,E7, E8, E9Detailed view of Heat Exchanger
Page 24NOTES
Model LLG & LLD Pool and Spa HeaterPage 25LAARS LITELIMITED WARRANTYYour Laars Lite pool/spa heater is backed by this double warrantyto assure you
Model LLG & LLD Pool and Spa HeaterPage 3Notes:1. An Underwriters' Laboratories listed vent cap is required to prevent downdraft and allow th
Page 4Figure 4. Non-Combustible Platform.Notes:1. Blocks must provide solid base and be braced so theycannot slip out of place.2. Air openings in blo
Model LLG & LLD Pool and Spa HeaterPage 55. Install a sediment trap (drip leg) ahead of the gascontrols (see Figure 5). Fit the trap with athreade
Page 6use 120 Volt, 60 Hz AC requires rewiring of theheater. This should be done by a certified electricianonly, as with all wiring. To wire the heate
Model LLG & LLD Pool and Spa HeaterPage 7Figure 6. LLD Connection/Schematic Wiring Diagram.
Page 8Figure 7. LLG Connection/Schematic Wiring Diagrambe wired for remote operation. The CS-02 remotecontrol permits switching from one temperaturec
Model LLG & LLD Pool and Spa HeaterPage 9Figure 8. Field Wiring Connections (LLD).Figure 9. Time Clock Wiring.Figure 10. Piping installation.Fig
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