Laars Mighty Therm HH 500 Installation And Operation Instructions Manual

Contents

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Laars Mighty Therm HH 500 Installation And Operation Instructions Manual Manual pdf 2 page image

LAARS Heating SystemsPage 2TABLE OF CONTENTSSECTION 1.General Information1A. Introduction ................................................... 31B. Boiler Identification ....................................... 31C. Flow Requirements ....................................... 31D. Variable Water Flow Systems ....................... 41E. Warning Regarding ChilledWater Systems ............................................. 51F. Freeze Protection ......................................... 5SECTION 2.Installation2A. Boiler Placement .......................................... 62B. Installation of Indoor Boilers .......................... 62B-1. Combustion Air Supply ................................. 62B-2. Venting ......................................................... 82C. Installation of Outdoor Boilers ....................... 92D. Gas Supply and Piping ................................. 92E. Electrical Wiring .......................................... 102F. Water Piping of System .............................. 112G. Filling Fully-Connected System ................... 11SECTION 3.Operation3A. Controls - General ...................................... 123B. Initial Start-Up ............................................. 133C. To Start Up System .................................... 133D. To Turn Off Boiler ....................................... 143E. To Shut Down System ................................ 14SECTION 4.Maintenance................................................................... 14SECTION 5.Troubleshooting and Analysis ofService Problems................................................................... 16SECTION 6.Parts Descriptions andOrder Numbers................................................................... 18SECTION 7.Outdoor Parts Descriptions andOrder Numbers................................................................... 26SECTION 8.Optional Parts Descriptions andOrder Numbers................................................................... 28