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TABLE OF CONTENTS
SECTION 1.
General Information
1A. Introduction................................................... 1
1B. Description ................................................... 2
1C. Warranty....................................................... 2
1D. Technical Assistance .................................... 2
SECTION 2.
Installation Instructions
2A. General Information ..................................... 2
2B. Field Assembly ............................................. 2
2C. Site Location ................................................ 3
2C-1. Installation Information ................................. 3
2C-2. Outdoor Installation ...................................... 4
2C-3. Flooring - Typical Installation ....................... 4
2C-4. Indoor and Outdoor Shelter Installation ........ 4
2D. Combustion and Ventilation Air Supply ........ 5
2E. Gas Supply and Piping ................................. 5
2E-1. General Instructions ..................................... 5
2E-2. Special Precautions for Propane Gas .......... 6
2F. Electrical Wiring ........................................... 6
2F-1. General Information (LD Only) ..................... 6
2F-2. Auxiliary Time Clock Wiring ......................... 8
2F-3. Remote Operation (Model LD Only) ............. 9
2G. Water Flow System ...................................... 9
2G-1. Flange Installation ........................................ 9
2G-2. Reversible Water Connections ................... 10
2G-3. Valve Installation ........................................ 12
2G-4. Chlorinators, Ozone Generators, and
Sanitizing Chemicals .................................. 12
2G4a Water Chemistry ........................................ 13
2G-5. Pressure Relief Valve................................. 13
2G-6. Adjusting the Pressure Switch .................... 13
2G-7. Automatic Flow Control Valve .................... 14
2G-8. Temperature Rise....................................... 14
2G-9. Adjusting the Manual Bypass Valve ........... 15
SECTION 3.
Operating Instructions
3A. General Information ................................... 16
3B. Lighting and Shutdown Procedures ............ 16
3B-1. Model LD (Direct Ignition) .......................... 16
3B-2. Model LG (Standing Pilot) .......................... 16
3C. Setting the Temperature Control ................ 16
3D. Seasonal Care............................................ 19
3D-1. Spring and Fall Operation .......................... 19
3D-2. Winterizing .................................................19
3D-3. Spring Startup ............................................ 19
3E. Water Chemistry ........................................20
3F. Spa/Hot Tub Safety Rules.......................... 20
3G. Swimming Pool Energy Saving Tips .......... 20
3H. Periodic Inspection ..................................... 21
3H-1. Owner Inspection........................................ 21
3H-2. Professional Inspection .............................. 21
SECTION 4.
Parts List for Laars Lite 2 Heater
4A. General Information .................................. 21
4B. Parts List ................................................... 21